/* ============================================================================
   VIEW TRANSITIONS (Progressive Enhancement)
   ============================================================================ */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: vt-fade-out 0.15s ease-out;
}

::view-transition-new(root) {
  animation: vt-fade-in 0.15s ease-in;
}

@keyframes vt-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes vt-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================================================
   CSS RESET
   ============================================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ============================================================================
   DESIGN TOKENS
   ============================================================================ */
:root {
  /* === BACKGROUNDS — Warm paper tones === */
  --bg-primary: #FDF8F0;
  --bg-secondary: #F0E8D8;
  --bg-card: #FFFDF7;
  --bg-card-hover: #FFF9EE;
  --bg-elevated: #FFFDF7;
  --bg-code: #F5EDDF;
  --bg-dark: #2D4A3E;
  --bg-dark-card: #345549;
  --bg-dark-secondary: #3A5F51;

  /* === TEXT — Warm ink tones === */
  --text-primary: #2C2416;
  --text-secondary: #6B5D4F;
  --text-tertiary: #9B8E7E;
  --text-on-dark: #F5EDDF;
  --text-on-dark-secondary: rgba(245, 237, 223, 0.7);

  /* === ACCENT — Deeper warm orange === */
  --accent: #E8913A;
  --accent-light: rgba(232, 145, 58, 0.12);
  --accent-sun: #E8913A;
  --accent-sun-glow: rgba(232, 145, 58, 0.15);
  --accent-amber: #E8913A;
  --accent-coral: #E8913A;
  --accent-lime: #E8913A;
  --accent-lime-light: #F5D9A8;
  --accent-green: #E8913A;
  --accent-green-dark: #C67A2E;
  --accent-teal: #E8913A;
  --accent-purple: #8B7355;
  --accent-mint: #FDF1D8;

  /* === STORYBOOK — Hand-drawn palette === */
  --pencil: #6B5D4F;
  --marker-green: #5B8A5D;
  --marker-red: #C85A4A;
  --marker-blue: #5A7FA8;
  --sticky-yellow: #FFF3C4;
  --watercolor-blue: rgba(90, 127, 168, 0.15);
  --watercolor-pink: rgba(200, 90, 74, 0.1);
  --watercolor-green: rgba(91, 138, 93, 0.12);

  /* === SECTION-TYPE SEMANTIC COLORS === */
  --section-hook: #E8913A;
  --section-walkthrough: #5B8A5D;
  --section-exercise: #5A7FA8;
  --section-challenge: #C85A4A;
  --section-framework: #7B68A8;
  --section-safety: #C85A4A;
  --section-game: #2D4A3E;
  --section-concept: #6B5D4F;
  --paper-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");

  /* === GRADIENTS — Warm watercolor washes === */
  --gradient-sun: linear-gradient(135deg, #E8913A, #F0B060, #5B8A5D);
  --gradient-hero: linear-gradient(160deg, #FDF8F0 0%, #FDEBD0 30%, #FDD8A8 60%, #D4E8F0 100%);
  --gradient-ocean: linear-gradient(135deg, #5A7FA8, #8BB8D0);
  --gradient-text: linear-gradient(135deg, #E8913A 0%, #C67A2E 100%);
  --gradient-text-dark: linear-gradient(135deg, #F5D9A8 0%, #E8913A 100%);
  --gradient-lime: linear-gradient(135deg, #5B8A5D 0%, #4A7A4D 100%);
  --gradient-divider: none;
  --gradient-cta: linear-gradient(135deg, #E8913A, #D47A2A);

  /* === BORDERS — Warm, visible === */
  --border-subtle: rgba(107, 93, 79, 0.15);
  --border-hover: rgba(107, 93, 79, 0.3);
  --border-dark: rgba(245, 237, 223, 0.12);

  /* === SHADOWS & GLOWS — Paper offset shadows === */
  --glow-sun: 0 0 80px rgba(232, 145, 58, 0.15);
  --glow-card: 0 2px 8px rgba(44, 36, 22, 0.06), 0 0 0 1px rgba(44, 36, 22, 0.05);
  --glow-cta-hover: 0 8px 32px rgba(232, 145, 58, 0.3), 0 4px 16px rgba(200, 122, 46, 0.2);
  --shadow-card: 3px 4px 0 rgba(44, 36, 22, 0.06);
  --shadow-card-hover: 5px 7px 0 rgba(44, 36, 22, 0.1);

  /* === STATUS === */
  --status-success: #5B8A5D;
  --status-danger: #C85A4A;
  --status-warning: #E8913A;

  /* === TYPOGRAPHY — Caveat headings, Inter body === */
  --font-display: 'Caveat', cursive;
  --font-heading: 'Caveat', cursive;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --text-hero: clamp(4rem, 8vw, 6.5rem);
  --text-h1: clamp(2.75rem, 5vw, 4rem);
  --text-h2: clamp(2rem, 3.5vw, 3rem);
  --text-h3: clamp(1.15rem, 1.5vw + 0.5rem, 1.6rem);
  --text-body: clamp(0.938rem, 0.5vw + 0.8rem, 1.063rem);
  --text-small: clamp(0.813rem, 0.3vw + 0.7rem, 0.938rem);

  /* === SPACING === */
  --max-width: 1200px;
  --section-gap: clamp(64px, 8vw, 120px);
  --card-radius: 16px;
  --card-padding: 32px;
  --radius-sketchy: 12px 8px 14px 6px;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  color-scheme: light;
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: var(--paper-grain);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-green-dark);
}

/* Focus rings for accessibility */
:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-family: var(--font-display); font-size: var(--text-h1); margin-bottom: var(--spacing-lg); font-weight: 700; }
h2 { font-family: var(--font-display); font-size: var(--text-h2); margin-bottom: var(--spacing-lg); font-weight: 700; }
h3 { font-size: var(--text-h3); margin-bottom: var(--spacing-md); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.7;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(232, 145, 58, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-green-dark);
}

pre {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px dashed var(--pencil);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-lg);
  overflow-x: auto;
  max-width: 100%;
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-card);
}

code {
  word-break: break-word;
}

pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

blockquote {
  border-left: 6px solid var(--marker-green);
  background: var(--watercolor-green);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 0 var(--radius-sketchy);
  color: var(--text-secondary);
  font-style: italic;
}

blockquote code {
  font-style: normal;
}

blockquote p {
  margin: 0;
}

blockquote p + p {
  margin-top: var(--spacing-sm);
}

/* Gradient text utility */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-hero {
  background: var(--gradient-text-dark);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================================
   LAYOUT
   ============================================================================ */
.page-container {
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-intro {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
  margin-bottom: var(--spacing-xl);
}

.section-divider {
  height: 12px;
  background: none;
  border: none;
  margin: var(--section-gap) auto;
  max-width: 80%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='12' viewBox='0 0 400 12' fill='none'%3E%3Cpath d='M0 6 C30 2, 70 10, 100 6 C130 2, 170 10, 200 6 C230 2, 270 10, 300 6 C330 2, 370 10, 400 6' stroke='%236B5D4F' stroke-width='1.2' stroke-linecap='round' fill='none' opacity='0.25'/%3E%3C/svg%3E");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* ============================================================================
   NAVIGATION — Warm Paper Sticky Nav
   ============================================================================ */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 248, 240, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px dashed var(--border-subtle);
  transition: box-shadow 0.3s ease;
}

nav.scrolled {
  box-shadow: 0 2px 12px rgba(44, 36, 22, 0.08);
}

nav .nav-container {
  transition: height 0.25s ease;
}

nav.scrolled .nav-container {
  height: 52px;
}

nav.scrolled .nav-logo a {
  font-size: 1.2rem;
}

/* Mini CTA in nav — appears after scroll */
.nav-mini-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--accent);
  color: white;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}

nav.scrolled .nav-mini-cta {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-mini-cta:hover {
  filter: brightness(1.1);
}

/* Current section name in nav */
.nav-section-name {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

nav.scrolled .nav-section-name {
  opacity: 1;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  height: 64px;
  gap: var(--spacing-lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-logo a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s ease, font-size 0.25s ease;
}

.nav-logo a:hover {
  color: var(--accent-amber);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-small);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* Nav dropdown */
.nav-dropdown {
  position: relative;
  list-style: none;
}

.nav-dropdown-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-md);
  transition: color 0.2s ease;
}

.nav-dropdown-btn:hover {
  color: var(--text-primary);
}

.nav-dropdown-btn span {
  font-size: 0.6rem;
  transition: transform 0.2s ease;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-sm);
  min-width: 200px;
  list-style: none;
  box-shadow: var(--shadow-card);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease;
}

.nav-dropdown-menu.active {
  display: block;
  max-height: 500px;
  opacity: 1;
}

.nav-dropdown-menu li {
  list-style: none;
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-dropdown-menu a:hover {
  background: rgba(0,0,0,0.04);
  color: var(--text-primary);
}

.nav-dropdown-menu a.active {
  color: var(--accent-green);
}

/* Mobile role selector: hidden on desktop */
.nav-role-mobile {
  display: none;
}

/* Resume banner — "Pick up where you left off" */
.resume-banner {
  background: var(--sticky-yellow);
  border-bottom: 2px dashed var(--accent);
  padding: var(--spacing-sm) var(--spacing-lg);
}

.resume-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.resume-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.resume-text strong {
  font-size: var(--text-small);
  color: var(--text-primary);
}

.resume-text span {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.resume-btn {
  padding: 8px 20px;
  background: var(--gradient-cta);
  color: white;
  border-radius: 100px;
  font-size: var(--text-small);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* Nav hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.25rem;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.nav-hamburger:hover {
  border-color: var(--border-hover);
}

/* Nav role selector */
.nav-role-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-small);
  color: var(--text-tertiary);
}

.nav-role-selector label {
  white-space: nowrap;
}

#role-select {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-small);
  cursor: pointer;
  min-width: 120px;
}

/* ============================================================================
   HERO SECTION — Warm Watercolor Wash
   ============================================================================ */
.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--gradient-hero);
  padding: 80px var(--spacing-lg) 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(232, 145, 58, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(90, 127, 168, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow {
  display: none;
}

.hero-glow-2 {
  display: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-lg);
  padding: 6px 16px;
  border: 2px dashed rgba(232, 145, 58, 0.4);
  border-radius: 100px;
  background: rgba(232, 145, 58, 0.08);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.hero-cta {
  display: inline-block;
  background: var(--gradient-cta);
  color: #fff;
  padding: 16px 36px;
  border-radius: 16px 10px 18px 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 3px 4px 0 rgba(200, 122, 46, 0.3);
}

.hero-cta:hover {
  transform: rotate(-1deg) translateY(-2px);
  box-shadow: var(--glow-cta-hover);
  color: #fff;
}

.hero-cta-secondary {
  display: inline-block;
  color: var(--text-primary);
  padding: 16px 28px;
  border-radius: 16px 10px 18px 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px dashed var(--border-subtle);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.hero-cta-secondary:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(232, 145, 58, 0.05);
}

/* Stats strip */
.stats-bar {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.stat-chip {
  text-align: center;
  min-width: 100px;
}

.stat-chip .stat-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  display: block;
  line-height: 1.2;
}

.stat-chip .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================================
   "WHAT YOU'LL LEARN" — Outcome Cards
   ============================================================================ */
.what-youll-learn {
  padding: var(--section-gap) 0;
  position: relative;
  background: var(--bg-secondary);
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.outcome-card {
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sketchy);
  padding: 20px 16px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.outcome-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: rotate(-0.5deg) translateY(-2px);
}

.outcome-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.outcome-icon-amber {
  background: rgba(232, 145, 58, 0.12);
  color: var(--accent);
}

.outcome-icon-green {
  background: var(--watercolor-green);
  color: var(--marker-green);
}

.outcome-icon-teal {
  background: var(--watercolor-blue);
  color: var(--marker-blue);
}

.outcome-icon-purple {
  background: rgba(139, 115, 85, 0.1);
  color: var(--accent-purple);
}

.outcome-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
  line-height: 1.35;
}

/* ============================================================================
   ROLE SELECTOR — Pill Bar
   ============================================================================ */
.role-pills-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.role-pills-label {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
  white-space: nowrap;
}

.role-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
  flex-wrap: wrap;
}

.role-pills::-webkit-scrollbar { display: none; }

.role-pill {
  white-space: nowrap;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-small);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.role-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.role-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(232, 145, 58, 0.3);
}
.role-pill.active::after {
  content: ' \\00d7';
  opacity: 0.7;
  font-size: 0.9em;
}

/* ============================================================================
   MODULE GRID — Bento Grid
   ============================================================================ */
.modules-section {
  padding: var(--spacing-xl) 0 var(--section-gap);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .module-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

.module-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.module-card-compact {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sketchy);
  padding: 14px 20px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.2s ease,
              box-shadow 0.2s ease;
}

/* Vertical card layout on desktop/tablet */
@media (min-width: 641px) {
  .module-card-compact {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    min-height: 180px;
  }
  .module-card-compact .module-card-info { width: 100%; }
  .module-card-compact .module-card-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .module-card-compact .module-title {
    white-space: normal;
    font-size: 1.1rem;
  }
  .module-card-compact .module-subtitle {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .module-card-compact .module-card-end {
    width: 100%;
    justify-content: space-between;
    border-top: 1px dashed var(--border-subtle);
    padding-top: var(--spacing-sm);
    margin-top: auto;
  }
}

.module-card-link:nth-child(odd) .module-card-compact {
  transform: rotate(0.2deg);
}
.module-card-link:nth-child(even) .module-card-compact {
  transform: rotate(-0.2deg);
}

.module-card-compact:hover {
  transform: rotate(-0.5deg) translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
}

/* Level-specific left accent */
.module-card-compact[data-level="Beginner"] { border-left: 4px solid var(--marker-green); }
.module-card-compact[data-level="Intermediate"] { border-left: 4px solid var(--marker-blue); }
.module-card-compact[data-level="Advanced"] { border-left: 4px solid var(--accent-purple); }

.module-card-compact[data-level="Beginner"]:hover { border-left-color: var(--marker-green); }
.module-card-compact[data-level="Intermediate"]:hover { border-left-color: var(--marker-blue); }
.module-card-compact[data-level="Advanced"]:hover { border-left-color: var(--accent-purple); }

.module-card-num {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  border: 2px solid var(--pencil);
  background: var(--sticky-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.module-card-info {
  flex: 1;
  min-width: 0;
}

.module-card-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.module-card-compact .module-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.module-card-compact .module-subtitle {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.level-badge-sm {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.module-card-end {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.meta-duration {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  white-space: nowrap;
}

.module-cta-arrow {
  font-size: 1.2rem;
  color: var(--text-tertiary);
  transition: color 0.2s, transform 0.2s;
}

.module-card-link:hover .module-cta-arrow {
  color: var(--accent-amber);
  transform: translateX(3px);
}

.module-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.module-subtitle {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

/* Level badge pills */
.level-badge {
  display: inline-block;
  border-radius: 100px;
  padding: 4px 12px;
  font-size: var(--text-small);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.level-badge.beginner {
  background: rgba(132, 204, 22, 0.15);
  color: #4D7C0F;
}

.level-badge.intermediate {
  background: rgba(8, 145, 178, 0.12);
  color: #0E7490;
}

.level-badge.advanced {
  background: rgba(124, 58, 237, 0.12);
  color: #6D28D9;
}

.module-meta {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
  font-size: var(--text-small);
  color: var(--text-tertiary);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Role filtering: dim non-matching modules */
.module-card-link.dimmed .module-card-compact {
  opacity: 0.3;
  filter: grayscale(0.5);
  transition: opacity 0.3s ease, filter 0.3s ease;
}

.progress-bar-container {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.progress-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 0 var(--spacing-md);
}

/* Connecting line — pencil dash */
.progress-bar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 0;
  border-top: 2px dashed var(--pencil);
  background: none;
  transform: translateY(-50%);
  z-index: 0;
  opacity: 0.4;
}

.progress-segment {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.progress-dot {
  width: 40px;
  height: 40px;
  text-decoration: none;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--pencil);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: default;
}

.progress-segment.completed .progress-dot {
  border-color: var(--marker-green);
  background: var(--watercolor-green);
}

.progress-segment.in-progress .progress-dot {
  border-color: var(--accent);
}

.progress-segment-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  max-width: 100px;
  text-align: center;
  line-height: 1.3;
}

.progress-segment-label .progress-module-name {
  display: block;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-segment.completed .progress-segment-label .progress-module-name {
  color: var(--accent-green-dark);
}

/* Storybook animations */
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.12); }
  30% { transform: scale(1); }
  45% { transform: scale(1.06); }
}

@keyframes jiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-2deg); }
  50% { transform: rotate(1.5deg); }
  75% { transform: rotate(-1deg); }
}

@keyframes confetti-burst {
  0% { box-shadow: 0 0 0 0 rgba(232, 145, 58, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(232, 145, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(232, 145, 58, 0); }
}

@media (prefers-reduced-motion: no-preference) {
  .progress-segment.in-progress .progress-dot {
    animation: heartbeat 2s infinite ease-in-out;
  }
}

/* ============================================================================
   TIME SAVED CALCULATOR — Premium Widget
   ============================================================================ */
.calculator-section {
  padding: var(--spacing-2xl) 0;
  background: var(--bg-secondary);
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

.calculator-container {
  max-width: 700px;
  margin: 0 auto;
}

.calculator-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
}

.calculator-widget h3 {
  font-size: var(--text-h3);
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.calculator-input {
  margin-bottom: var(--spacing-lg);
}

.calculator-input label {
  display: block;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.slider-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--border-subtle);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-green);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 8px rgba(43, 124, 47, 0.3);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-green);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 8px rgba(43, 124, 47, 0.3);
}

.slider-value {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-green-dark);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
}

.calculator-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-subtle);
}

.result-card {
  text-align: center;
  padding: var(--spacing-md);
}

.result-value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--accent-green-dark);
  font-variant-numeric: tabular-nums;
  display: block;
  transition: opacity 0.15s ease;
  line-height: 1.2;
}

.calculator-insight {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(22, 163, 74, 0.06);
  border-radius: var(--radius-md);
  color: var(--accent-green-dark);
  font-weight: 600;
  font-size: 1rem;
}

.result-label {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  margin-top: 4px;
  display: block;
}

/* ============================================================================
   CTA SECTION
   ============================================================================ */
.cta-section {
  padding: var(--section-gap) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  max-width: 100vw;
}

.cta-glow {
  display: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--text-primary);
}

.cta-content p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  color: var(--text-secondary);
}

.cta-button {
  display: inline-block;
  background: var(--gradient-cta);
  color: #fff;
  padding: 16px 36px;
  border-radius: 16px 10px 18px 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 3px 4px 0 rgba(200, 122, 46, 0.3);
}

.cta-button:hover {
  transform: rotate(-1deg) translateY(-2px);
  box-shadow: var(--glow-cta-hover);
  color: #fff;
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer {
  background: var(--bg-dark);
  border-top: 3px dashed var(--pencil);
  padding: 48px 0 32px;
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .site-footer {
    margin: 0;
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-on-dark);
  margin: 0 0 var(--spacing-md);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul a {
  color: rgba(240, 240, 236, 0.6);
  font-size: var(--text-small);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: #fff;
}

.footer-brand-text {
  color: var(--text-on-dark-secondary);
  font-size: var(--text-small);
  margin: 0 0 var(--spacing-md);
}

.back-to-top-btn {
  background: var(--bg-dark-card);
  color: var(--text-on-dark-secondary);
  border: 1px solid var(--border-dark);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: var(--text-small);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.back-to-top-btn:hover {
  color: #fff;
  background: var(--bg-dark-secondary);
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: rgba(240, 240, 236, 0.6);
  font-size: var(--text-small);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

/* ============================================================================
   MODULE PAGE — Header & Content
   ============================================================================ */
.module-header {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.module-header-image {
  width: 100%;
  max-width: 640px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.module-header-image img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 300px;
  object-fit: cover;
}

.module-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(221, 224, 72, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.module-label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
}

.module-level-badge {
  display: inline-block;
  border-radius: 100px;
  padding: 4px 12px;
  font-size: var(--text-small);
  font-weight: 600;
}

.module-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin-bottom: 4px;
  -webkit-text-fill-color: var(--text-primary);
  background: none;
}

.module-header .module-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.module-header .module-meta {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* Learning objectives */
.learning-objectives {
  padding: var(--spacing-2xl) 0;
}

.objectives-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.objectives-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--text-secondary);
}

.objectives-list li::before {
  content: '\\2192';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

/* ============================================================================
   SECTION TYPES — Accent Bars & Styling
   ============================================================================ */
.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

/* Section separators handled by collapsible headers now */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  margin: 0;
}

.duration {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* Section type accent bars */
/* Section type borders removed — collapsible headers handle structure */

.section-content p,
.section-body p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.section-content ul,
.section-content ol,
.section-body ul,
.section-body ol {
  color: var(--text-secondary);
  padding-left: var(--spacing-xl);
  margin: var(--spacing-md) 0;
}

.section-content li,
.section-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* Concept cards removed — content flows directly */

/* Sub-section toggles — h3/h4 headings as collapsible blocks */
.sub-section {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin: var(--spacing-md) 0;
  overflow: hidden;
}

.sub-section summary {
  cursor: pointer;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  background: #FAFAFA;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sub-section summary::before {
  content: '\\25B8';
  font-size: 0.7em;
  color: var(--text-tertiary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.sub-section[open] summary::before {
  transform: rotate(90deg);
}

.sub-section summary::-webkit-details-marker {
  display: none;
}

.sub-section > :not(summary) {
  padding: 0 16px;
}

.sub-section > :last-child {
  padding-bottom: 16px;
}

/* Facilitator notes — collapsed by default */
.facilitator-note {
  background: rgba(124, 58, 237, 0.06);
  border-left: 3px solid var(--accent-purple, #7C3AED);
  border-radius: 0 8px 8px 0;
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.facilitator-note summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent-purple, #7C3AED);
  user-select: none;
  list-style: none;
}

.facilitator-note summary::before {
  content: '\\25B6 ';
  font-size: 0.7em;
  margin-right: 0.4em;
  transition: transform 0.2s;
  display: inline-block;
}

.facilitator-note[open] summary::before {
  transform: rotate(90deg);
}

.facilitator-note summary::-webkit-details-marker {
  display: none;
}

.facilitator-note p {
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
}

/* ============================================================================
   PROMPT CARDS — "Steal This Prompt"
   ============================================================================ */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

/* Show only first 4 prompt cards by default */
.prompts-grid .prompt-card:nth-child(n+5) {
  display: none;
}
.prompts-grid.expanded .prompt-card:nth-child(n+5) {
  display: block;
}

/* First prompt card = featured / "Start Here" */
.prompts-grid .prompt-card:first-child {
  grid-column: 1 / -1;
  border-left-width: 8px;
  position: relative;
}

.prompts-grid .prompt-card:first-child::after {
  content: 'START HERE';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--marker-green);
  background: rgba(91, 138, 93, 0.12);
  padding: 3px 10px;
  border-radius: 4px;
}

.prompt-card {
  background: var(--sticky-yellow);
  border-left: 6px solid var(--accent);
  border-radius: 2px 4px 3px 5px;
  padding: var(--spacing-lg);
  position: relative;
  box-shadow: 4px 6px 0 rgba(44, 36, 22, 0.08);
  transform: rotate(-0.3deg);
}

.prompt-card:nth-child(even) {
  transform: rotate(0.3deg);
}

.prompt-card:nth-child(3n) {
  transform: rotate(-0.5deg);
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.prompt-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-green-dark);
  margin: 0;
}

.copy-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover {
  animation: jiggle 0.3s ease;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.copy-btn.copied {
  color: var(--marker-green);
  border-color: var(--marker-green);
  animation: confetti-burst 0.5s ease;
}

.roles-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.role-badge {
  display: inline-block;
  padding: 2px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.prompt-text {
  background: rgba(255, 255, 255, 0.6);
  border: 1px dashed var(--pencil);
  border-radius: 4px;
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt-text code {
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: none;
  padding: 0;
}

.prompt-footer {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--spacing-md);
}

.time-comparison {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ============================================================================
   BEFORE/AFTER COMPARISONS
   ============================================================================ */
.before-after-container {
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
}

.before-after-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sketchy);
  overflow: hidden;
}

.before-after-table thead {
  background: var(--bg-secondary);
}

.before-after-table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  border-bottom: 3px solid var(--pencil);
}

.before-after-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--text-small);
}

.before-after-table tr:last-child td {
  border-bottom: none;
}

.before-after-table .cowork-header {
  color: var(--status-success);
}

.before-after-table .cowork-cell {
  color: var(--status-success);
}

.before-after-table .saved-cell {
  color: var(--accent-green);
  font-weight: 600;
}

.before-after-table .manual-cell {
  color: var(--status-danger);
}

/* ============================================================================
   CALLOUT BOXES
   ============================================================================ */
.callout {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sketchy);
  margin: var(--spacing-lg) 0;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
}

.callout-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}

.callout-content {
  flex: 1;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--text-small);
}

.callout-content strong {
  color: var(--text-primary);
}

.callout-tip { border-left: 6px solid var(--marker-green); background: var(--watercolor-green); }
.callout-warning { border-left: 6px solid var(--marker-red); background: var(--watercolor-pink); }
.callout-safety { border-left: 6px solid var(--marker-blue); background: var(--watercolor-blue); }
.callout-mic-drop { border-left: 6px solid var(--pencil); background: rgba(139, 115, 85, 0.06); }

/* ============================================================================
   STEP CARDS (Walkthrough)
   ============================================================================ */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.step-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sketchy);
  max-width: 100%;
  overflow: hidden;
  /* Stagger animation when section expands */
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.collapsible-body.open .step-card {
  opacity: 1;
  transform: translateX(0);
}
.collapsible-body.open .step-card:nth-child(1) { transition-delay: 0.05s; }
.collapsible-body.open .step-card:nth-child(2) { transition-delay: 0.1s; }
.collapsible-body.open .step-card:nth-child(3) { transition-delay: 0.15s; }
.collapsible-body.open .step-card:nth-child(4) { transition-delay: 0.2s; }
.collapsible-body.open .step-card:nth-child(5) { transition-delay: 0.25s; }
.collapsible-body.open .step-card:nth-child(6) { transition-delay: 0.3s; }
.collapsible-body.open .step-card:nth-child(7) { transition-delay: 0.35s; }
.collapsible-body.open .step-card:nth-child(8) { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .step-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--pencil);
  background: var(--sticky-yellow);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.step-instruction {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.step-detail {
  color: var(--text-secondary);
  font-size: var(--text-small);
  line-height: 1.6;
}

.step-code {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-top: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
}

/* ===== Walkthrough Step Tracking ===== */
.walkthrough-progress-counter {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-small);
  color: var(--text-secondary);
  font-weight: 600;
}
.steps-with-rail {
  position: relative;
  padding-left: 20px;
}
.step-rail {
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--border-subtle);
  border-radius: 2px;
}
.step-rail-fill {
  width: 100%;
  height: 0%;
  background: var(--section-walkthrough);
  border-radius: 2px;
  transition: height 0.4s ease;
}
.step-card-tracked {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: opacity 0.3s, border-color 0.3s;
}
.step-card-tracked.step-active {
  border-color: var(--section-walkthrough);
  box-shadow: 0 0 0 1px var(--section-walkthrough);
}
.step-card-tracked.step-completed {
  opacity: 0.6;
  border-color: var(--border-subtle);
}
.step-card-tracked.step-completed .step-number {
  background: var(--section-walkthrough);
  color: #fff;
  border-color: var(--section-walkthrough);
}
.step-done-btn {
  align-self: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--section-walkthrough);
  background: transparent;
  color: var(--section-walkthrough);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.step-done-btn:hover {
  background: var(--section-walkthrough);
  color: #fff;
}
.step-done-btn:disabled {
  background: var(--section-walkthrough);
  color: #fff;
  cursor: default;
  opacity: 0.7;
}
.step-safety {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(200, 90, 74, 0.08);
  border-left: 3px solid var(--section-challenge);
  border-radius: 0 6px 6px 0;
  font-size: var(--text-small);
  color: var(--section-challenge);
}
.step-has-safety {
  border-color: rgba(200, 90, 74, 0.3);
}
.step-rail-dot {
  display: none;
}

/* ===== Section Done Footer ===== */
.section-done-footer {
  padding: var(--spacing-md) var(--spacing-xl);
  border-top: 1px solid var(--border-subtle);
  text-align: right;
}
.section-done-btn {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.section-done-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.section-done-btn.completed {
  background: var(--section-walkthrough);
  color: #fff;
  border-color: var(--section-walkthrough);
  cursor: default;
}

/* TOC done state */
.toc-done {
  text-decoration: line-through;
  opacity: 0.6;
}
.toc-done .toc-num::after {
  content: ' \2713';
}

/* Pulse animation for module complete button */
.pulse {
  animation: pulse-glow 1.5s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 145, 58, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(232, 145, 58, 0); }
}

/* ===== Action Blocks ("YOUR TURN") ===== */
.action-block {
  border: 2px solid var(--section-exercise);
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-top: var(--spacing-lg);
}
.action-block-header {
  background: var(--section-exercise);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: var(--spacing-sm) var(--spacing-lg);
}
.action-block-body {
  padding: var(--spacing-lg);
  background: rgba(90, 127, 168, 0.04);
}
.action-step {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-small);
  color: var(--text-secondary);
}
.action-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--section-exercise);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.action-done-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-small);
  color: var(--text-secondary);
  cursor: pointer;
}
.action-done-checkbox:checked + span,
.action-done-toggle:has(.action-done-checkbox:checked) {
  color: var(--section-walkthrough);
  font-weight: 600;
}

.step-code code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* ============================================================================
   COMPARISON & CAPABILITIES
   ============================================================================ */
.comparison-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.comparison-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
}

.comparison-item h4 {
  color: var(--accent-green-dark);
  margin-bottom: var(--spacing-sm);
}

.comparison-description {
  color: var(--text-secondary);
  font-size: var(--text-small);
  margin-bottom: var(--spacing-md);
}

.comparison-detail {
  color: var(--text-tertiary);
  font-size: var(--text-small);
  margin-bottom: var(--spacing-xs);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.capabilities-column {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
}

.capabilities-column h4 {
  margin-bottom: var(--spacing-md);
}

.capabilities-can h4 { color: var(--status-success); }
.capabilities-cannot h4 { color: var(--status-danger); }

.capabilities-column ul {
  list-style: none;
  padding: 0;
}

.capabilities-column li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--text-small);
  line-height: 1.5;
}

/* ============================================================================
   EXERCISE TABS
   ============================================================================ */
.exercise-tabs {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.exercise-tab {
  padding: 8px 20px;
  border-radius: 14px 10px 16px 8px;
  border: 2px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-small);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  min-height: 44px;
}

.exercise-tab:hover {
  border-color: var(--border-hover);
  animation: jiggle 0.3s ease;
}

.exercise-tab.active {
  background: var(--pencil);
  color: #fff;
  border-color: var(--pencil);
  font-weight: 600;
}

.exercise-variant {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
}

.exercise-variant.active {
  display: block;
}

.exercise-variant h4 {
  color: var(--accent-purple);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.exercise-prompt {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  white-space: pre-wrap;
}

.exercise-prompt code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* ============================================================================
   FRAMEWORK DISPLAY
   ============================================================================ */
.framework-display {
  margin: var(--spacing-xl) 0;
}

.framework-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

.framework-step {
  background: var(--bg-card);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
}

.step-letter {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid var(--pencil);
  background: var(--sticky-yellow);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0 auto var(--spacing-md);
}

.step-label {
  font-weight: 600;
  color: var(--accent-green-dark);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--text-secondary);
  font-size: var(--text-small);
  line-height: 1.5;
}

/* ============================================================================
   SAFETY SECTION
   ============================================================================ */
.safety-header h2 {
  color: var(--status-danger);
}

.safety-content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.safety-rules, .do-not-rules {
  margin: var(--spacing-lg) 0;
}

.safety-rules h3 { color: var(--status-success); margin-bottom: var(--spacing-md); }
.do-not-rules h3 { color: var(--status-danger); margin-bottom: var(--spacing-md); }

.rules-list {
  list-style: none;
  padding: 0;
}

.rules-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================================
   KEY POINTS
   ============================================================================ */
.key-points {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.key-points li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--text-secondary);
}

.key-points li::before {
  content: '\\2192';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
}

/* ============================================================================
   DEMO EMBED — Browser Chrome Wrapper
   ============================================================================ */
.demo-embed-container {
  margin: var(--spacing-xl) 0;
}

.demo-label {
  display: block;
  font-size: var(--text-small);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.browser-frame {
  border: 2px solid var(--pencil);
  border-radius: var(--radius-sketchy);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 2px dashed var(--border-subtle);
}

.browser-chrome .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-chrome .dot.red { background: var(--marker-red); }
.browser-chrome .dot.yellow { background: var(--accent); }
.browser-chrome .dot.green { background: var(--marker-green); }

.browser-chrome .url-bar {
  flex: 1;
  margin-left: 8px;
  padding: 6px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.browser-content {
  min-height: 300px;
}

.demo-iframe {
  width: 100%;
  height: 500px;
  border: none;
  display: block;
}

.demo-fullsize-link {
  display: block;
  text-align: center;
  padding: var(--spacing-md);
  font-size: var(--text-small);
  color: var(--accent-green);
  border-top: 1px solid var(--border-subtle);
  transition: background-color 0.2s ease;
}

.demo-fullsize-link:hover {
  background: rgba(221, 224, 72, 0.08);
}

/* ============================================================================
   MODULE NAVIGATION (Bottom)
   ============================================================================ */
.module-navigation {
  padding: var(--spacing-2xl) 0;
}

.nav-container-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.nav-link {
  display: block;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sketchy);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-small);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.nav-link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
  color: var(--text-primary);
  transform: rotate(-0.5deg);
}

.nav-prev { text-align: left; }
.nav-next { text-align: right; }

.nav-link-direction {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.nav-link-title {
  display: block;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
}

.nav-link-subtitle {
  display: block;
  font-size: var(--text-small);
  color: var(--text-tertiary);
  margin-top: 4px;
  font-weight: 400;
}

/* ============================================================================
   TAKEAWAYS & SAFETY NOTE
   ============================================================================ */
.takeaways-section, .safety-note-section {
  padding: var(--spacing-2xl) 0;
}

.takeaways-list {
  padding-left: var(--spacing-lg);
}

.takeaways-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.steal-this-prompt-section {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--border-subtle);
}

/* ============================================================================
   ERROR / 404
   ============================================================================ */
.error-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-content {
  text-align: center;
}

.error-content h1 {
  font-size: var(--text-hero);
  margin-bottom: var(--spacing-md);
}

.error-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.error-message {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xl);
}

.error-cta {
  display: inline-block;
  background: var(--bg-dark);
  color: #fff;
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.error-cta:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  color: #fff;
  background: #2B2E00;
}

/* ============================================================================
   TABLES (general)
   ============================================================================ */
.table-wrapper {
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  overflow: hidden;
}

table th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--text-small);
}

table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: var(--text-small);
}

table tr:last-child td {
  border-bottom: none;
}

table strong {
  color: var(--text-primary);
}

/* ============================================================================
   WALKTHROUGH INLINE
   ============================================================================ */
.walkthrough-inline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.walkthrough-step {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.walkthrough-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(221, 224, 72, 0.15);
  color: var(--accent-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.walkthrough-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================================================ */
.fade-in {
  opacity: 0;
  transform: rotate(-0.5deg) translateY(12px);
  transition: opacity 0.5s ease,
              transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fade-in-safety 0s 2s forwards;
}

.fade-in.visible {
  opacity: 1;
  transform: rotate(0deg) translateY(0);
  animation: none;
}

/* ============================================================================
   CHALLENGE SECTION
   ============================================================================ */
.challenge-card {
  border: 2px dashed var(--border-subtle);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--bg-card);
}

.challenge-timer-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
  font-size: var(--text-small);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.challenge-data-ref {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.challenge-role-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.challenge-role-tab {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  min-height: 48px;
  font-size: var(--text-small);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  font-family: var(--font-body);
  color: var(--text-secondary);
}

.challenge-role-tab:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.challenge-role-tab.active {
  background: var(--accent-amber);
  color: #fff;
  border-color: var(--accent-amber);
}

.challenge-role-panels {
  margin-bottom: var(--spacing-md);
}

.challenge-role-panel {
  display: none;
}

.challenge-role-panel.active {
  display: block;
}

.challenge-prompt {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--bg-dark);
  color: #E6E6E6;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
}

.challenge-prompt code {
  background: none;
  padding: 0;
  color: #E6E6E6;
}

.challenge-checklist {
  margin: var(--spacing-lg) 0;
}

.challenge-checklist h4 {
  font-size: var(--text-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.challenge-checklist ul {
  list-style: none;
  padding: 0;
}

.challenge-checklist li {
  padding: var(--spacing-xs) 0;
  font-size: var(--text-body);
  color: var(--text-primary);
}

.challenge-checklist input[type="checkbox"] {
  accent-color: var(--accent-amber);
  width: 18px;
  height: 18px;
  margin-right: var(--spacing-sm);
  vertical-align: middle;
  cursor: pointer;
}

.challenge-scoring {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.scoring-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 100px;
  margin-right: var(--spacing-xs);
}

.scoring-badge-gold { background: #FEF3C7; color: #92400E; }
.scoring-badge-silver { background: #F3F4F6; color: #374151; }
.scoring-badge-bronze { background: #FED7AA; color: #9A3412; }
.scoring-badge.achieved { outline: 2px solid var(--marker-green); outline-offset: 1px; }

/* --- Mission Briefing Layout --- */
.mission-briefing {
  padding: 0;
  overflow: hidden;
}

.mission-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, rgba(200,90,74,0.06), rgba(232,145,58,0.06));
  border-bottom: 2px dashed var(--border-subtle);
}

.mission-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--section-challenge);
  background: rgba(200, 90, 74, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
}

.mission-timer {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(232, 145, 58, 0.12);
  padding: 4px 12px;
  border-radius: 100px;
}

/* Challenge Timer Display */
.challenge-timer-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.timer-digits {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--section-walkthrough);
  min-width: 70px;
  text-align: center;
}
.timer-controls {
  display: flex;
  gap: var(--spacing-xs);
}
.timer-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  cursor: pointer;
  transition: background 0.15s;
}
.timer-btn:hover { background: var(--bg-secondary); }
.timer-start-btn { background: var(--section-walkthrough); color: #fff; border-color: var(--section-walkthrough); }
.timer-start-btn:hover { opacity: 0.9; background: var(--section-walkthrough); }

/* Challenge prompt area (hidden until timer starts) */
.challenge-prompt-area {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
}

/* Data pack reference */
.mission-data-pack {
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(232, 145, 58, 0.06);
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--text-small);
}

.mission-section {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.mission-section:last-child {
  border-bottom: none;
}

.mission-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-sm);
}

/* --- Checklist Progress Bar --- */
.checklist-progress {
  margin-bottom: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: 100px;
  height: 28px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.checklist-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 100px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: absolute;
  top: 0;
  left: 0;
}

.checklist-count {
  position: relative;
  z-index: 1;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding-left: var(--spacing-md);
}

/* Checkbox celebration */
.challenge-checklist li:has(input:checked) {
  background: rgba(91, 138, 93, 0.08);
  border-radius: var(--radius-sm);
  padding-left: var(--spacing-sm);
}
.challenge-checklist input[type="checkbox"]:checked + span {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

/* --- Expected Output Preview --- */
.expected-output-card {
  border: 2px dashed var(--marker-green);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.expected-output-header {
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(91, 138, 93, 0.1);
  border-bottom: 1px solid rgba(91, 138, 93, 0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--marker-green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.expected-output-body {
  padding: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Prompt Card Progressive Disclosure --- */
.prompt-preview {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding: var(--spacing-md);
  background: var(--bg-code);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
}

.prompt-expand {
  margin-top: var(--spacing-xs);
}

.prompt-expand summary {
  font-size: var(--text-small);
  color: var(--accent);
  cursor: pointer;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
}

.prompt-expand summary:hover {
  text-decoration: underline;
}

/* ============================================================================
   WARMUP SECTION — Quick check card
   ============================================================================ */
.warmup-card {
  border: 2px solid var(--marker-green);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-lg);
  background: var(--watercolor-green);
}

.warmup-instruction {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.warmup-prompt {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--bg-dark);
  color: #E6E6E6;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.warmup-success {
  font-size: var(--text-small);
  color: var(--marker-green);
  font-weight: 600;
  padding: var(--spacing-sm) 0;
}

.warmup-fix {
  margin-top: var(--spacing-sm);
}

.warmup-fix summary {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  cursor: pointer;
}

/* ============================================================================
   MODULE TIMELINE — Horizontal session stepper
   ============================================================================ */
.module-timeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: var(--spacing-lg) 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.module-timeline::-webkit-scrollbar { display: none; }

.timeline-step {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  position: relative;
}

.timeline-connector {
  width: 32px;
  height: 2px;
  background: var(--border-subtle);
  flex-shrink: 0;
  align-self: center;
  margin-top: 16px;
}

.timeline-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--pencil);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
  z-index: 1;
}

.timeline-dot:hover {
  transform: scale(1.1);
  border-color: var(--accent);
}

.timeline-step.active .timeline-dot {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 145, 58, 0.2);
}

.timeline-step.completed .timeline-dot {
  background: var(--watercolor-green);
  border-color: var(--marker-green);
  color: var(--marker-green);
}

.timeline-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 4px;
  max-width: 70px;
  line-height: 1.3;
}

.timeline-time {
  font-size: 0.6rem;
  color: var(--text-tertiary);
}

@media (max-width: 640px) {
  .timeline-step { min-width: 60px; }
  .timeline-dot { width: 28px; height: 28px; font-size: 0.8rem; }
  .timeline-connector { width: 16px; }
  .timeline-label { font-size: 0.6rem; max-width: 56px; }
}

/* ============================================================================
   MODULE COMPLETION BUTTON
   ============================================================================ */
.mark-complete-btn {
  padding: 16px 40px;
  min-height: 52px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--marker-green);
  border: 2px solid var(--marker-green);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.15s ease;
  box-shadow: 0 4px 16px rgba(91, 138, 93, 0.25);
}

.mark-complete-btn:hover {
  background: #4A7A4D;
  border-color: #4A7A4D;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(91, 138, 93, 0.35);
}

.mark-complete-btn.completed {
  background: var(--marker-green);
  color: #fff;
  border-color: var(--marker-green);
  cursor: default;
  box-shadow: 0 0 0 4px rgba(91, 138, 93, 0.15);
}

/* ============================================================================
   MOBILE SECTION INDICATOR — Floating "you are here" on mobile
   ============================================================================ */
.mobile-section-indicator {
  display: none;
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 80;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  max-width: 200px;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-toc-overlay {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--bg-card);
  border-top: 2px solid var(--border-subtle);
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.15);
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xl);
  max-height: 60vh;
  overflow-y: auto;
}

.mobile-toc-overlay.open {
  display: block;
}

.mobile-toc-overlay .toc-nav h3 {
  font-size: 0.75rem;
  margin-bottom: var(--spacing-md);
}

.mobile-toc-overlay .toc-link {
  padding: 10px 8px;
  font-size: 0.85rem;
}

.mobile-toc-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(0, 0, 0, 0.3);
}

.mobile-toc-backdrop.open {
  display: block;
}

@media (max-width: 1024px) {
  .mobile-section-indicator {
    display: block;
  }
}

/* ============================================================================
   GAME SECTION
   ============================================================================ */
.game-card {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-radius: var(--radius-sketchy);
  padding: var(--card-padding);
  margin-bottom: var(--spacing-lg);
  border: 2px solid rgba(245, 237, 223, 0.15);
}

.game-card p {
  color: var(--text-on-dark-secondary);
}

.game-card h3, .game-card h4 {
  color: var(--text-on-dark);
}

.game-reveal-wrapper {
  margin-top: var(--spacing-lg);
}

.game-reveal-details summary {
  cursor: pointer;
  list-style: none;
}

.game-reveal-details summary::-webkit-details-marker {
  display: none;
}

.game-reveal-btn {
  display: inline-block;
  background: var(--accent-amber);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-small);
  padding: 10px 24px;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  font-family: var(--font-body);
}

.game-reveal-btn:hover {
  background: var(--accent-green-dark);
  transform: scale(1.02);
}

.game-answers {
  margin-top: var(--spacing-lg);
}

.game-answer-item {
  border-left: 3px solid var(--status-success);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.game-answer-item h4 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--text-body);
}

.game-answer-item p {
  margin-bottom: 0;
  font-size: var(--text-small);
}

.game-scoring {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-small);
  color: var(--text-on-dark-secondary);
}

/* ============================================================================
   SUNSHINE COUNTER
   ============================================================================ */
/* sunshine counter removed */

/* ============================================================================
   DATA PACK DOWNLOAD
   ============================================================================ */
.data-pack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: 0;
}

.data-pack-card h3 {
  font-size: var(--text-h3);
  margin-bottom: var(--spacing-md);
}

.data-pack-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.data-pack-link {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.data-pack-link:last-child {
  border-bottom: none;
}

.data-pack-link a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.data-pack-link a:hover {
  background: var(--bg-secondary);
}

.data-pack-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.data-pack-name {
  font-weight: 600;
  font-size: var(--text-body);
}

.data-pack-desc {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin-left: auto;
}

/* ============================================================================
   DATA PACK EXPLORER (interactive tabbed viewer)
   ============================================================================ */

.data-pack-explorer {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) auto;
  max-width: 900px;
  overflow: hidden;
}

.data-pack-explorer-header {
  padding: var(--spacing-md) var(--spacing-lg) 0;
}

.data-pack-explorer-header h3 {
  font-size: var(--text-h3);
  margin: 0;
}

.data-pack-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-subtle);
  padding: 0 var(--spacing-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-pack-tab {
  padding: 12px var(--spacing-md);
  min-height: 48px;
  border: none;
  background: none;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.data-pack-tab:hover {
  color: var(--text-primary);
}

.data-pack-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.data-pack-panels {
  padding: 0;
}

.data-pack-panel {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.data-pack-panel-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.data-pack-panel-header .data-pack-desc {
  margin-left: 0;
  flex: 1;
}

.data-pack-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 1rem;
  background: var(--bg-secondary);
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.data-pack-download-btn:hover {
  background: var(--border-subtle);
}

.data-pack-row-count {
  display: inline-block;
  font-size: var(--text-small);
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* --- CSV table --- */
.data-pack-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-pack-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
  line-height: 1.4;
}

.data-pack-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-elevated);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-subtle);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.data-pack-table thead th:hover {
  color: var(--color-primary);
}

.data-pack-table thead th .sort-indicator {
  font-size: 0.65rem;
  opacity: 0.4;
  margin-left: 2px;
}

.data-pack-table thead th.sort-active .sort-indicator {
  opacity: 1;
  color: var(--color-primary);
}

.data-pack-table tbody td {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-pack-table tbody tr:hover td {
  background: var(--bg-elevated);
}

/* Cell color coding */
.cell-overdue {
  color: var(--color-danger);
  font-weight: 600;
}

.cell-urgent {
  color: #d97706;
  font-weight: 600;
}

.cell-warning {
  color: var(--color-warning);
  font-weight: 500;
}

.cell-safe {
  color: var(--color-success);
  font-weight: 500;
}

.data-pack-expand-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: var(--text-small);
  cursor: pointer;
  text-align: center;
  transition: background 0.15s ease, color 0.15s ease;
}

.data-pack-expand-btn:hover {
  background: var(--bg-elevated);
  color: var(--color-primary);
}

.data-pack-expand-btn.expanded {
  border-style: solid;
}

/* --- Text / JSON preview --- */
.data-pack-text-wrapper {
  position: relative;
}

.data-pack-text-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--spacing-xs);
}

.data-pack-copy-btn {
  padding: 4px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: var(--text-small);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.data-pack-copy-btn:hover {
  background: var(--bg-elevated);
  color: var(--color-primary);
}

.data-pack-copy-btn.copied {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.data-pack-text-content {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  margin: 0;
}

.data-pack-fallback {
  color: var(--text-muted);
  font-style: italic;
  padding: var(--spacing-md);
}

/* --- Scenario cards (traffic-light JSON) --- */
.scenario-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.scenario-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.scenario-text {
  font-size: var(--text-body);
  line-height: 1.5;
  margin: 0 0 var(--spacing-md) 0;
  font-style: italic;
  color: var(--text-primary);
}

.scenario-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.scenario-btn {
  padding: 12px 20px;
  min-height: 48px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.scenario-btn:hover {
  transform: scale(1.05);
}

.scenario-btn:active {
  transform: scale(0.98);
}

.scenario-green {
  background: #dcfce7;
  color: #166534;
  border-color: #bbf7d0;
}

.scenario-yellow {
  background: #fef9c3;
  color: #854d0e;
  border-color: #fef08a;
}

.scenario-red {
  background: #fecaca;
  color: #991b1b;
  border-color: #fca5a5;
}

.scenario-btn.selected {
  box-shadow: 0 0 0 2px var(--text-primary);
}

.scenario-btn.dimmed {
  opacity: 0.4;
  cursor: default;
}

.scenario-btn.dimmed:hover {
  transform: none;
}

.scenario-answer {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--border-subtle);
}

.scenario-answer.correct {
  border-left-color: var(--color-success);
  background: #f0fdf4;
}

.scenario-answer.incorrect {
  border-left-color: var(--color-danger);
  background: #fef2f2;
}

.scenario-result {
  font-weight: 700;
  font-size: var(--text-body);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.scenario-reasoning {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Responsive: stack tabs on small screens */
@media (max-width: 640px) {
  .data-pack-tabs {
    padding: 0 var(--spacing-sm);
  }
  .data-pack-panel {
    padding: var(--spacing-sm);
  }
  .data-pack-table tbody td {
    max-width: 150px;
    font-size: 0.75rem;
  }
  .scenario-buttons {
    flex-direction: column;
  }
  .scenario-btn {
    width: 100%;
    text-align: center;
  }
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================================
   RESPONSIVE BREAKPOINTS
   ============================================================================ */

/* Tablet landscape */
@media (max-width: 1024px) {
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calculator-results {
    grid-template-columns: repeat(3, 1fr);
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .nav-role-selector {
    display: none;
  }

  .progress-segment-label {
    display: none;
  }
}

/* Tablet portrait */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    width: 280px;
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    background: var(--bg-card);
    border-left: 2px dashed var(--border-subtle);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
    z-index: 99;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-links li {
    list-style: none;
  }

  .nav-links a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
  }

  .nav-hamburger {
    display: block;
  }

  .nav-role-selector {
    display: none;
  }

  /* Mobile role selector in nav drawer */
  .nav-role-mobile {
    display: block;
    padding: var(--spacing-md) var(--spacing-md);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--spacing-md);
  }

  .nav-role-label {
    display: block;
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
  }

  .nav-role-select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-body);
    background: var(--bg-card);
    color: var(--text-primary);
    min-height: 48px;
  }

  .nav-dropdown-menu {
    position: static;
    border: none;
    background: transparent;
    box-shadow: none;
    padding-left: var(--spacing-md);
  }

  .nav-dropdown-menu.active {
    max-height: 400px;
  }

  .hero {
    min-height: auto;
    padding: 60px var(--spacing-lg) 40px;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .stats-bar {
    flex-direction: column;
    align-items: center;
  }

  .stat-chip {
    width: 100%;
    max-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .prompts-grid {
    grid-template-columns: 1fr;
  }

  .nav-container-bottom {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .outcome-card {
    padding: 16px 12px;
  }

  .outcome-card h3 {
    font-size: 0.82rem;
  }

  .outcome-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  /* Compact cards on mobile: hide subtitle + duration */
  .module-card-compact .module-subtitle {
    display: none;
  }

  .module-card-end .meta-duration {
    display: none;
  }

  .module-card-compact {
    padding: 12px 16px;
    gap: 12px;
  }

  /* Disable card rotations on mobile */
  .module-card-link:nth-child(odd) .module-card-compact,
  .module-card-link:nth-child(even) .module-card-compact {
    transform: none;
  }
  .prompt-card,
  .prompt-card:nth-child(even),
  .prompt-card:nth-child(3n) {
    transform: none;
  }

  .module-card-num {
    width: 36px;
    height: 36px;
    min-width: 36px;
    font-size: 1.1rem;
    border-radius: 50%;
  }

  .module-card-compact .module-title {
    font-size: 0.9rem;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .role-pills-label {
    display: none;
  }

  .role-pills {
    flex-wrap: nowrap;
  }

  .calculator-results {
    grid-template-columns: 1fr;
  }

  .step-card {
    flex-direction: column;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .framework-steps {
    grid-template-columns: 1fr;
  }

  .comparison-container {
    grid-template-columns: 1fr;
  }

  /* Hero: tighter on mobile */
  .hero {
    padding: 40px var(--spacing-md) 32px;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  /* Module header image: smaller on mobile */
  .module-header-image {
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
  }

  .module-header-image img {
    max-height: 200px;
  }

  /* Tables: reduce padding and font for mobile */
  .before-after-table th,
  .before-after-table td {
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: 0.75rem;
  }

  .section-content table,
  .concept-card table {
    font-size: 0.75rem;
  }

  .section-content thead th,
  .concept-card thead th,
  .section-content tbody td,
  .concept-card tbody td {
    padding: 8px 10px;
    font-size: 0.75rem;
  }

  /* Prompts: ensure single column + reduced gap */
  .prompts-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .prompt-text {
    font-size: 0.75rem;
  }

  /* Collapsible headers: allow wrapping instead of truncation */
  .collapsible-header-content h2 {
    white-space: normal;
    word-break: break-word;
    overflow: visible;
    text-overflow: clip;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  /* Nav: tighter padding */
  .nav-container {
    padding: 0 var(--spacing-md);
    height: 52px;
  }

  /* Nav drawer: match reduced nav height + force full height */
  .nav-links {
    top: 52px;
    height: calc(100vh - 52px);
    height: calc(100dvh - 52px);
  }

  /* Section container: reduce side padding */
  .section-container {
    padding: 0 var(--spacing-md);
  }

  /* Progress: remove gap when labels hidden */
  .progress-segment {
    gap: 2px;
  }

  /* Prevent ALL content overflow on mobile */
  .page-container {
    max-width: 100vw;
  }

  pre, .prompt-text {
    max-width: calc(100vw - 2 * var(--spacing-md));
    overflow-x: auto;
    word-break: break-word;
  }

  .prompt-card {
    max-width: 100%;
    overflow: hidden;
  }

  .before-after-container {
    max-width: 100%;
  }

  /* Table-to-cards transformation for before/after tables on mobile */
  .before-after-table,
  .before-after-table thead,
  .before-after-table tbody,
  .before-after-table tr,
  .before-after-table th,
  .before-after-table td {
    display: block;
  }

  .before-after-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }

  .before-after-table tr {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
  }

  .before-after-table td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--spacing-xs) 0;
    border-bottom: none;
    border-top: none;
    font-size: var(--text-small);
  }

  .before-after-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
    margin-right: var(--spacing-md);
    font-size: 0.8rem;
  }

  .before-after-table .process-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
  }

  .before-after-table .process-name::before {
    display: none;
  }

  .section-content,
  .concept-card,
  .collapsible-body {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: visible;
  }

  /* Module layout: ensure sidebar doesn't overflow */
  .module-layout {
    display: block;
  }

  .module-toc {
    position: static;
    width: 100%;
    max-width: 100%;
    margin-bottom: var(--spacing-lg);
  }
}

/* ============================================================================
   UTILITY
   ============================================================================ */
/* ============================================================================
   GLOW ORBS — Ambient Depth (Aurora UI)
   ============================================================================ */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(200px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb.amber {
  background: rgba(232, 145, 58, 0.08);
  width: 500px;
  height: 500px;
}

.glow-orb.teal {
  background: rgba(90, 127, 168, 0.06);
  width: 400px;
  height: 400px;
}

.glow-orb.purple {
  background: rgba(139, 115, 85, 0.04);
  width: 350px;
  height: 350px;
}

.section-with-glow {
  position: relative;
  overflow: hidden;
}

/* ============================================================================
   ENHANCED CARD INTERACTIONS
   ============================================================================ */

.module-cta {
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   MODULE SECTIONS (Always-open, no accordion)
   ============================================================================ */
.module-section {
  margin-bottom: var(--section-gap);
  border-radius: var(--card-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
}

.module-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--spacing-md);
}

.module-section-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.module-section-header-left h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--text-primary);
}

.module-section-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.section-type-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.module-section-body {
  padding: var(--spacing-xl);
  overflow: hidden;
  min-width: 0;
}

/* Section type visual accents */
.module-section[data-type="hook"] {
  border-left: 4px solid var(--section-hook);
}
.module-section[data-type="challenge"] {
  border-left: 4px solid var(--section-challenge);
}
.module-section[data-type="game"] {
  border-left: 4px solid var(--section-game);
}
.module-section[data-type="walkthrough"] {
  border-left: 4px solid var(--section-walkthrough);
}
.module-section[data-type="framework"] {
  border-left: 4px solid var(--section-framework);
}
.module-section[data-type="exercise"] {
  border-left: 4px solid var(--section-exercise);
}
.module-section[data-type="safety"] {
  border-left: 4px solid var(--section-safety);
}

.module-section[data-type="hook"] .section-num { background: var(--section-hook); color: #fff; }
.module-section[data-type="walkthrough"] .section-num { background: var(--section-walkthrough); color: #fff; }
.module-section[data-type="exercise"] .section-num { background: var(--section-exercise); color: #fff; }
.module-section[data-type="challenge"] .section-num { background: var(--section-challenge); color: #fff; }
.module-section[data-type="framework"] .section-num { background: var(--section-framework); color: #fff; }
.module-section[data-type="safety"] .section-num { background: var(--section-safety); color: #fff; }
.module-section[data-type="game"] .section-num { background: var(--section-game); color: var(--text-on-dark); }

/* Hide duplicate section headers inside module-section-body */
.module-section-body .section-header {
  display: none;
}

/* ============================================================================
   COLLAPSIBLE SECTIONS (Accordion) — legacy, kept for backwards compat
   ============================================================================ */
.collapsible-section {
  margin-bottom: var(--spacing-xl);
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sketchy);
  user-select: none;
  transition: background 0.15s ease;
  gap: var(--spacing-md);
}

.collapsible-header:hover {
  background: var(--bg-card-hover);
}

.collapsible-header.open {
  border-radius: 12px 8px 0 0;
  border-bottom-color: transparent;
  background: var(--bg-card);
}

.collapsible-header-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.section-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-tertiary);
  min-width: 20px;
  text-align: center;
}

.collapsible-header-content h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collapsible-header-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.collapsible-header-meta .duration {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
}

.collapsible-chevron {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.collapsible-header.open .collapsible-chevron {
  transform: rotate(180deg);
}

/* Smooth expand using grid trick */
.collapsible-body {
  display: grid;
  grid-template-rows: 0fr;
  grid-template-columns: minmax(0, 1fr);
  transition: grid-template-rows 0.3s ease;
  border: 2px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 14px 6px;
  margin-top: -2px;
}

.collapsible-body:not(.open) {
  border-color: transparent;
}

.collapsible-body.open {
  grid-template-rows: 1fr;
}

.collapsible-body-inner {
  overflow: hidden;
  padding: 0;
}

.collapsible-body.open .collapsible-body-inner {
  padding: var(--spacing-lg) 20px var(--spacing-xl);
}

/* Hide duplicate section headers inside collapsible body — the collapsible header handles it */
.collapsible-body-inner .section-header {
  display: none;
}

/* Remove section type border-top inside collapsible — the collapsible header border-left handles it */
.collapsible-body-inner .section {
  border-top: none;
  padding-top: 0;
}

/* Module layout with TOC sidebar */
.module-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.module-toc {
  position: sticky;
  top: 76px;
  height: fit-content;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  background: transparent;
  padding: 0;
}

.toc-nav {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  position: static;
  border-bottom: none;
}

.toc-nav h3 {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin: 0 0 var(--spacing-sm) var(--spacing-xs);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin-bottom: 1px;
}

.toc-link {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  line-height: 1.4;
  transition: color 0.15s ease;
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--text-primary);
}

.toc-link.active {
  color: var(--text-primary);
  font-weight: 600;
  border-left-color: var(--accent);
}

.toc-num {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  min-width: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toc-link.active .toc-num {
  color: var(--accent);
}

.toc-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.toc-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.toc-duration {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  opacity: 0.7;
}

@media (max-width: 1024px) {
  .module-layout {
    grid-template-columns: 1fr;
  }
  .module-toc {
    display: none;
  }
}

@media (max-width: 640px) {
  .module-layout {
    display: block;
  }
}

/* ============================================================================
   CONTENT TYPOGRAPHY RHYTHM
   ============================================================================ */
.section-content,
.concept-card {
  max-width: 720px;
}

.section-content p,
.concept-card p {
  margin-bottom: 1em;
}

.section-content h3,
.concept-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 1.4em;
  margin-bottom: 0.5em;
}

.section-content h4,
.concept-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.section-content ul,
.section-content ol {
  padding-left: 1.5em;
}

.section-content li {
  margin-bottom: 0.6em;
  line-height: 1.65;
}

.section-content li::marker {
  color: var(--text-tertiary);
}

/* ============================================================================
   TABLE STYLING
   ============================================================================ */
.section-content table,
.concept-card table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  margin: 1.5em 0;
  font-size: 0.9rem;
}

.section-content thead th,
.concept-card thead th {
  background: #F5F5F5;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: 10px 14px;
  text-align: left;
}

.section-content tbody td,
.concept-card tbody td {
  padding: 10px 14px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.section-content tbody tr:nth-child(even),
.concept-card tbody tr:nth-child(even) {
  background: var(--bg-secondary);
}

.section-content tbody tr:hover,
.concept-card tbody tr:hover {
  background: rgba(8, 145, 178, 0.04);
}

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: 64px;
  left: 0;
  height: 3px;
  background: var(--gradient-sun, linear-gradient(90deg, #E8B800, #A3E635));
  z-index: 99;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}

.hidden { display: none !important; }
.text-center { text-align: center; }

/* ============================================================================
   LANDING PAGE — Skeptical Operator Redesign
   ============================================================================ */

.landing-hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(32px, 4vw, 48px);
  background: var(--gradient-hero);
  position: relative;
}

.landing-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.15;
}

.landing-hero .hero-subhead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.hero-art-desktop {
  display: none;
}

@media (min-width: 900px) {
  .hero-art-desktop {
    display: block !important;
  }
}

.landing-trust-note {
  background: var(--bg-code);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sketchy);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: var(--spacing-xl);
  max-width: 720px;
}

/* --- Audience Grid --- */

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

@media (max-width: 640px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

.audience-col {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
}

.audience-col h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.audience-for {
  border-left: 3px solid var(--status-success);
}

.audience-not {
  border-left: 3px solid var(--status-danger);
}

.audience-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.audience-col li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.5;
}

.audience-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 1px;
}

.audience-yes {
  background: rgba(22, 163, 74, 0.1);
  color: var(--status-success);
}

.audience-no {
  background: rgba(220, 38, 38, 0.1);
  color: var(--status-danger);
}

/* --- Landing Sections --- */

.landing-section {
  padding: var(--section-gap) 0;
}

.landing-section-alt {
  background: var(--bg-secondary);
}

.landing-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-md);
  border-left: 3px solid var(--accent);
}

.landing-section .section-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 720px;
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

/* --- Cowork Explainer --- */

.cowork-explainer p {
  max-width: 720px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

/* --- Workflow Cards --- */

.workflow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 768px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}

/* Simplified workflow cards */
.workflow-card-simple {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
}
.workflow-card-simple h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
}
.workflow-summary {
  color: var(--text-secondary);
  font-size: var(--text-small);
  margin-bottom: var(--spacing-md);
}
.workflow-details-compact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: var(--text-small);
}
.workflow-good {
  color: var(--section-walkthrough);
}
.workflow-breaks {
  color: var(--section-challenge);
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  transition: box-shadow 0.2s ease;
}

.workflow-card:hover {
  box-shadow: none;
}

.workflow-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.workflow-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.workflow-roles {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.workflow-roles .role-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  background: var(--accent-light);
  color: var(--accent-green-dark);
  border-radius: 12px;
  font-weight: 500;
}

.workflow-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.workflow-detail {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.5;
}

.workflow-detail strong {
  color: var(--text-primary);
  font-weight: 600;
}

.workflow-failure {
  color: var(--status-danger);
  background: rgba(220, 38, 38, 0.04);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-xs);
}

.workflow-failure strong {
  color: var(--status-danger);
}

/* --- Limitation Cards --- */

.limitations-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.limitation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
}

.limitation-high {
  border-left: 3px solid var(--status-danger);
}

.limitation-medium {
  border-left: 3px solid var(--status-warning);
}

.limitation-low {
  border-left: 3px solid var(--text-tertiary);
}

.limitation-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.limitation-severity {
  font-size: 1rem;
  flex-shrink: 0;
}

.limitation-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.limitation-card p {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* --- Checklist --- */

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 720px;
}

.checklist-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.checklist-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  color: var(--accent-green-dark);
  border-radius: 50%;
  font-size: var(--text-small);
  font-weight: 700;
  margin-top: 2px;
}

.checklist-content strong {
  display: block;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.checklist-content p {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* --- Quick Workflows --- */

.quick-workflows {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.quick-workflow {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
}

.quick-workflow-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.quick-workflow-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.quick-workflow-who {
  font-size: var(--text-small);
  color: var(--text-tertiary);
}

.quick-workflow-task {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.quick-workflow-benefit {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.quick-workflow-prompt {
  margin: var(--spacing-md) 0;
}

.quick-workflow-prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-small);
  color: var(--text-tertiary);
  font-weight: 500;
}

.quick-workflow-review {
  margin-top: var(--spacing-md);
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.quick-workflow-review ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0 0;
}

.quick-workflow-review li {
  padding: 2px 0;
  padding-left: var(--spacing-lg);
  position: relative;
}

.quick-workflow-review li::before {
  content: '□';
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
}

.quick-workflow-risk {
  margin-top: var(--spacing-md);
  font-size: var(--text-small);
  color: var(--status-danger);
  background: rgba(220, 38, 38, 0.04);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
}

.quick-workflow-risk strong {
  color: var(--status-danger);
}

/* --- Consensus Items --- */

.consensus-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 720px;
}

.consensus-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.consensus-item p {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* --- Verdict Box --- */

.verdict-box {
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: var(--card-radius);
  padding: var(--spacing-xl);
  max-width: 720px;
}

.verdict-box h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.verdict-main {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.verdict-caveat {
  font-size: var(--text-small);
  color: var(--status-danger);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.verdict-recommendation {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.verdict-course {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  line-height: 1.6;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--spacing-md);
  margin: 0;
}

/* --- NEW LANDING COMPONENTS --- */

/* Learning Outcomes */
.learning-outcomes {
  max-width: 720px;
}

.outcomes-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
}

.outcomes-list li {
  position: relative;
  padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-xl);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.outcomes-list li:last-child {
  border-bottom: none;
}

.outcomes-list li::before {
  content: "\\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.outcomes-caveat {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  line-height: 1.6;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* Requirements */
.requirements-section {
  max-width: 720px;
}

.req-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.req-item:last-of-type {
  border-bottom: none;
}

.req-item strong {
  display: block;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.req-item p {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.req-note {
  font-size: var(--text-small);
  color: var(--accent);
  font-weight: 500;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
}

/* Course Format */
.course-format {
  max-width: 720px;
}

.format-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.format-list li {
  padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-xl);
  position: relative;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.format-list li:last-child {
  border-bottom: none;
}

.format-list li::before {
  content: "\\2022";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Role Paths */
.role-paths {
  max-width: 720px;
}

.role-paths-note {
  font-size: var(--text-small);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.role-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--spacing-md);
}

.role-path:last-child {
  border-bottom: none;
}

.role-path-name {
  font-weight: 600;
  font-size: var(--text-small);
  color: var(--text-primary);
  white-space: nowrap;
  min-width: 180px;
}

.role-path-modules {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.path-module {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* FAQ */
.faq-list {
  max-width: 720px;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
  padding: var(--spacing-md) 0;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::before {
  content: "+";
  display: inline-block;
  width: 24px;
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 400;
}

details[open] .faq-question::before {
  content: "\\2212";
}

.faq-answer {
  padding: 0 0 var(--spacing-md) 24px;
}

.faq-answer p {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* Review burden badges on workflow cards */
.workflow-meta-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: 6px;
}

.review-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.review-low {
  background: rgba(76, 175, 80, 0.15);
  color: #2E7D32;
}

.review-medium {
  background: rgba(245, 158, 11, 0.15);
  color: #B45309;
}

.review-high {
  background: rgba(214, 44, 13, 0.15);
  color: #B91C1C;
}

@media (max-width: 640px) {
  .role-path {
    flex-direction: column;
    align-items: flex-start;
  }

  .role-path-name {
    min-width: auto;
  }
}

/* --- Landing Modules --- */

.landing-modules {
  margin-top: var(--spacing-xl);
}

.landing-modules h2 {
  border-left: none;
  padding-left: 0;
}

/* ============================================================================
   MODULE PAGE — Slim Workshop Header
   ============================================================================ */

.module-header-slim {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-bottom: 2px dashed var(--border-subtle);
}

.module-header-slim h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0;
  line-height: 1.2;
}

.module-subtitle-inline {
  font-weight: 400;
  font-size: 0.65em;
  color: var(--text-secondary);
}

.module-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.objectives-drawer {
  display: inline-block;
  position: relative;
}

.objectives-list-compact {
  right: 0;
}

.objectives-drawer summary {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  list-style: none;
}

.objectives-drawer summary::-webkit-details-marker { display: none; }
.objectives-drawer summary::marker { display: none; content: ''; }

.objectives-drawer summary:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.objectives-list-compact {
  position: absolute;
  z-index: 50;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  padding: var(--spacing-md);
  margin-top: var(--spacing-sm);
  max-width: 400px;
  list-style: none;
}

.objectives-list-compact li {
  font-size: var(--text-small);
  color: var(--text-secondary);
  padding: 4px 0;
  line-height: 1.4;
}

.objectives-list-compact li + li {
  border-top: 1px solid var(--border-subtle);
  padding-top: 6px;
  margin-top: 2px;
}

.data-pack-file-badge {
  font-size: var(--text-small);
  color: var(--accent-green-dark);
  padding: 4px 12px;
  border: 1px solid var(--accent-light);
  border-radius: 100px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.15s;
}

.data-pack-file-badge:hover {
  background: var(--accent-light);
  color: var(--accent-green-dark);
}

/* Data Pack Drawer */
.data-pack-drawer {
  margin: var(--spacing-sm) 0 var(--spacing-md);
}

.data-pack-drawer-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-small);
  color: var(--text-secondary);
  list-style: none;
  transition: background 0.15s;
}

.data-pack-drawer-trigger::-webkit-details-marker { display: none; }
.data-pack-drawer-trigger::marker { display: none; content: ''; }

.data-pack-drawer-trigger:hover {
  background: var(--accent-light);
  color: var(--text-primary);
}

.data-pack-drawer-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.data-pack-drawer[open] .data-pack-drawer-trigger {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: none;
}

.data-pack-drawer-content {
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.data-pack-drawer-content .data-pack-explorer {
  border: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Legacy (keep for backward compat) */
.module-header-compact {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.module-header-hero {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.module-header-text {
  flex: 1;
  min-width: 0;
}

.module-header-art {
  flex-shrink: 0;
}

.module-header-art img {
  width: 280px;
  height: 280px;
  border-radius: var(--card-radius);
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

@media (max-width: 768px) {
  .module-header-hero {
    flex-direction: column;
  }
  .module-header-art {
    order: -1;
    align-self: center;
  }
  .module-header-art img {
    width: 200px;
    height: 200px;
  }
}

.module-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.module-badges {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.module-num-badge {
  font-size: var(--text-small);
  font-weight: 700;
  color: var(--accent-green-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.module-duration {
  font-size: var(--text-small);
  color: var(--text-tertiary);
}

.workshop-start-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: var(--gradient-cta);
  color: white;
  border-radius: 14px 8px 16px 10px;
  font-weight: 600;
  font-size: var(--text-small);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.15s ease;
  box-shadow: 3px 4px 0 rgba(200, 122, 46, 0.3);
}

.workshop-start-btn:hover {
  transform: rotate(-1deg) translateY(-1px);
  box-shadow: var(--glow-cta-hover);
  color: white;
}

.module-header-compact h1 {
  font-size: var(--text-h1);
  margin-bottom: var(--spacing-sm);
}

.module-header-compact .module-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.module-meta-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (max-width: 768px) {
  .module-meta-grid {
    grid-template-columns: 1fr;
  }
}

.objectives-compact h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.objectives-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

@media (max-width: 640px) {
  .objectives-grid {
    grid-template-columns: 1fr;
  }
}

.objective-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: 1.4;
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.objective-item::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================================
   SECTION TYPE — Visual Variety
   ============================================================================ */

.section-type-badge {
  font-size: 0.85rem;
  margin-right: 4px;
}

/* --- Section-type color-coded number badges --- */
.collapsible-section[data-type="hook"] .section-num {
  background: var(--section-hook); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="walkthrough"] .section-num {
  background: var(--section-walkthrough); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="exercise"] .section-num {
  background: var(--section-exercise); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="challenge"] .section-num {
  background: var(--section-challenge); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="framework"] .section-num {
  background: var(--section-framework); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="safety"] .section-num {
  background: var(--section-safety); color: #fff; border-radius: 50%;
}
.collapsible-section[data-type="game"] .section-num {
  background: var(--section-game); color: var(--text-on-dark); border-radius: 50%;
}

/* --- Section-type visual variety: backgrounds & borders --- */
.collapsible-section[data-type="hook"] .collapsible-body.open {
  background: linear-gradient(160deg, rgba(253,248,240,0.5) 0%, rgba(253,235,208,0.3) 100%);
  border-left: 4px solid var(--section-hook);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.collapsible-section[data-type="challenge"] {
  border-left: 4px solid var(--section-challenge);
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
}
.collapsible-section[data-type="challenge"] .collapsible-header {
  background: rgba(200, 90, 74, 0.04);
}

.collapsible-section[data-type="game"] .collapsible-body.open {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}
.collapsible-section[data-type="game"] .collapsible-header {
  background: rgba(45, 74, 62, 0.06);
}
.collapsible-section[data-type="game"] .collapsible-body.open p,
.collapsible-section[data-type="game"] .collapsible-body.open li,
.collapsible-section[data-type="game"] .collapsible-body.open td,
.collapsible-section[data-type="game"] .collapsible-body.open th {
  color: var(--text-on-dark-secondary);
}
.collapsible-section[data-type="game"] .collapsible-body.open h3,
.collapsible-section[data-type="game"] .collapsible-body.open h4,
.collapsible-section[data-type="game"] .collapsible-body.open strong {
  color: var(--text-on-dark);
}

.collapsible-section[data-type="walkthrough"] {
  border-left: 4px solid var(--section-walkthrough);
}
.collapsible-section[data-type="walkthrough"] .collapsible-body.open {
  background: var(--watercolor-green);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.collapsible-section[data-type="framework"] .collapsible-body.open {
  background: var(--watercolor-blue);
  border-left: 6px solid var(--marker-blue);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.collapsible-section[data-type="safety"] {
  border-left: 4px solid var(--section-safety);
}
.collapsible-section[data-type="safety"] .collapsible-header {
  background: rgba(200, 90, 74, 0.04);
}

.collapsible-section[data-type="exercise"] .collapsible-body.open {
  border-left: 4px solid var(--section-exercise);
  background: rgba(90, 127, 168, 0.04);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
}

/* --- Whitespace hierarchy: breathing room before landmark sections --- */
.collapsible-section[data-type="challenge"],
.collapsible-section[data-type="game"] {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

/* Transition divider between learning→doing phases */
.collapsible-section[data-type="concept"] + .collapsible-section[data-type="challenge"],
.collapsible-section[data-type="concept"] + .collapsible-section[data-type="game"],
.collapsible-section[data-type="framework"] + .collapsible-section[data-type="challenge"] {
  margin-top: var(--spacing-2xl);
  position: relative;
}
.collapsible-section[data-type="concept"] + .collapsible-section[data-type="challenge"]::before,
.collapsible-section[data-type="concept"] + .collapsible-section[data-type="game"]::before,
.collapsible-section[data-type="framework"] + .collapsible-section[data-type="challenge"]::before {
  content: '';
  display: block;
  height: 12px;
  margin-bottom: var(--spacing-lg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='12' viewBox='0 0 400 12' fill='none'%3E%3Cpath d='M0 6 C30 2, 70 10, 100 6 C130 2, 170 10, 200 6 C230 2, 270 10, 300 6 C330 2, 370 10, 400 6' stroke='%236B5D4F' stroke-width='1.2' stroke-linecap='round' fill='none' opacity='0.25'/%3E%3C/svg%3E");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

/* Safety section at end gets extra top breathing room */
.collapsible-section[data-type="safety"]:last-child {
  margin-top: var(--spacing-2xl);
}

/* --- Collapsible content fade-in on expand --- */
.collapsible-body-inner {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}
.collapsible-body.open .collapsible-body-inner {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================================
   DATA PACK EXPLORER — Interactive Data Preview
   ============================================================================ */

.data-pack-explorer {
  background: var(--bg-card);
  border: 2px solid var(--pencil);
  border-radius: var(--radius-sketchy);
  overflow: hidden;
}

.data-pack-tabs {
  display: flex;
  overflow-x: auto;
  gap: 0;
  border-bottom: 2px solid var(--pencil);
  background: var(--bg-secondary);
  padding: 0 var(--spacing-sm);
}

.data-pack-tab {
  padding: 12px var(--spacing-md);
  min-height: 48px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

.data-pack-tab:hover {
  color: var(--text-primary);
}

.data-pack-tab.active {
  color: var(--accent-green-dark);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.data-pack-panel {
  display: none;
}

.data-pack-panel.active {
  display: block;
}

.data-pack-panel-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.data-pack-desc {
  flex: 1;
  font-size: var(--text-small);
  color: var(--text-secondary);
}

.data-pack-row-count {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: var(--accent-light);
  color: var(--accent-green-dark);
  border-radius: 12px;
  font-weight: 600;
}

.data-pack-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: background 0.15s;
}

.data-pack-download-btn:hover {
  background: var(--accent-light);
  color: var(--accent-green-dark);
}

.data-pack-table-wrapper {
  overflow-x: auto;
}

.data-pack-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-pack-table th {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-pack-table th:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.data-pack-table th .sort-arrow {
  margin-left: 4px;
  opacity: 0.4;
}

.data-pack-table th.sorted .sort-arrow {
  opacity: 1;
  color: var(--accent);
}

.data-pack-table td {
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-pack-table tr:hover td {
  background: rgba(245, 158, 11, 0.04);
}

/* Status color cells */
.cell-overdue { color: var(--status-danger); font-weight: 600; }
.cell-urgent { color: #B91C1C; font-weight: 600; }
.cell-warning { color: var(--status-warning); font-weight: 600; }
.cell-safe { color: var(--status-success); font-weight: 600; }

.data-pack-expand-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border: none;
  border-top: 1px solid var(--border-subtle);
  color: var(--accent-green-dark);
  font-size: var(--text-small);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.data-pack-expand-btn:hover {
  background: var(--accent-light);
}

/* Text/markdown preview */
.data-pack-text-preview {
  padding: var(--spacing-lg);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  background: var(--bg-code);
}

.data-pack-text-copy-btn {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: none;
  border-top: 1px solid var(--border-subtle);
  color: var(--accent-green-dark);
  font-size: var(--text-small);
  font-weight: 500;
  cursor: pointer;
  text-align: center;
}

.data-pack-text-copy-btn:hover {
  background: var(--accent-light);
}

/* Scenario cards (traffic light game) */
.scenario-cards {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.scenario-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.scenario-text {
  font-size: var(--text-small);
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.scenario-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.scenario-btn {
  padding: 12px 20px;
  min-height: 48px;
  border-radius: 100px;
  border: 2px solid;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.15s;
  background: transparent;
}

.scenario-btn:hover { transform: scale(1.05); }
.scenario-btn:active { transform: scale(0.97); }

.scenario-green { border-color: var(--status-success); color: var(--status-success); }
.scenario-yellow { border-color: var(--status-warning); color: var(--status-warning); }
.scenario-red { border-color: var(--status-danger); color: var(--status-danger); }

.scenario-green.selected { background: var(--status-success); color: white; }
.scenario-yellow.selected { background: var(--status-warning); color: white; }
.scenario-red.selected { background: var(--status-danger); color: white; }

.scenario-answer {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
}

.scenario-answer.correct {
  background: rgba(22, 163, 74, 0.1);
  border-left: 3px solid var(--status-success);
}

.scenario-answer.wrong {
  background: rgba(220, 38, 38, 0.08);
  border-left: 3px solid var(--status-danger);
}

.scenario-result {
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.scenario-reasoning {
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.scenario-score {
  padding: var(--spacing-md);
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ============================================================================
   REDESIGN — FOUNDATION ANIMATIONS & MICRO-INTERACTIONS
   ============================================================================ */

/* --- Hero entrance stagger --- */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-stagger-1 { animation: hero-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both; }
.hero-stagger-2 { animation: hero-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both; }
.hero-stagger-3 { animation: hero-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both; }
.hero-stagger-4 { animation: hero-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.55s both; }
.hero-stagger-5 { animation: hero-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.7s both; }

/* --- Floating watercolor splotch --- */
@keyframes float-gentle {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-10px) rotate(2deg); }
}

.hero-float {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  pointer-events: none;
  animation: float-gentle 7s ease-in-out infinite;
}

.hero-float-1 {
  width: 180px; height: 180px;
  background: radial-gradient(circle, var(--watercolor-blue) 0%, transparent 70%);
  top: 10%; right: 8%;
  animation-delay: 0s;
}

.hero-float-2 {
  width: 120px; height: 120px;
  background: radial-gradient(circle, var(--watercolor-pink) 0%, transparent 70%);
  bottom: 15%; left: 5%;
  animation-delay: -3s;
}

.hero-float-3 {
  width: 90px; height: 90px;
  background: radial-gradient(circle, var(--watercolor-green) 0%, transparent 70%);
  top: 60%; right: 25%;
  animation-delay: -5s;
}

/* --- Fade-in variants for alternating sections --- */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  animation: fade-in-safety 0s 2s forwards;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
  animation: none;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  animation: fade-in-safety 0s 2s forwards;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
  animation: none;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  animation: fade-in-safety 0s 2s forwards;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
  animation: none;
}

@keyframes fade-in-safety {
  to { opacity: 1; transform: translateY(0); }
}

/* --- Button press feedback --- */
.cta-button:active,
button:active {
  transform: scale(0.97) !important;
  transition: transform 0.08s ease !important;
}

/* --- Link underline grow on hover --- */
.landing-section a:not(.cta-button):not(.module-card-link) {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 2px;
  background-position: center bottom;
  background-repeat: no-repeat;
  transition: background-size 0.3s ease;
  text-decoration: none;
}
.landing-section a:not(.cta-button):not(.module-card-link):hover {
  background-size: 100% 2px;
}

/* --- Stat counter --- */
.stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat-label {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

.stats-grid {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.stats-grid .stat-item {
  text-align: left;
}

/* --- Immersive hero overhaul --- */
.landing-hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: clamp(80px, 10vw, 120px) 0 clamp(48px, 6vw, 80px);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.landing-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.05;
}

.landing-hero .hero-subhead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.65;
}

.hero-layout {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
}

.hero-text {
  flex: 1;
  min-width: 0;
}

.hero-art {
  flex-shrink: 0;
  display: none;
  position: relative;
}

.hero-art img {
  border-radius: var(--radius-sketchy);
  object-fit: cover;
  box-shadow: var(--shadow-card-hover);
  transition: transform 0.4s ease;
}

.hero-art:hover img {
  transform: rotate(-1deg) scale(1.02);
}

@media (min-width: 900px) {
  .hero-art {
    display: block !important;
  }
}

/* --- Reading progress bar --- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-sun);
  z-index: 1001;
  width: 0%;
  transition: width 0.15s linear;
  pointer-events: none;
}

/* --- Scroll-driven hero fade-out --- */
@supports (animation-timeline: scroll()) {
  .hero-scroll-fade {
    animation: hero-fade-out linear both;
    animation-timeline: scroll();
    animation-range: 60vh 100vh;
  }

  @keyframes hero-fade-out {
    from { opacity: 1; transform: scale(1); }
    to   { opacity: 0; transform: scale(0.97); }
  }
}

/* --- Smooth FAQ accordion --- */
.faq-answer-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

details[open] .faq-answer-wrap {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

/* --- prefers-reduced-motion --- */
@media (prefers-reduced-motion: reduce) {
  .hero-stagger-1, .hero-stagger-2, .hero-stagger-3,
  .hero-stagger-4, .hero-stagger-5 {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-float { animation: none !important; }
  .fade-in, .fade-in-left, .fade-in-right, .fade-in-up {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .hero-scroll-fade {
    animation: none !important;
    opacity: 1 !important;
  }
  .hero-art img { transition: none !important; }
}

/* --- Workflow flip cards (overrides old .workflow-card styles) --- */
.workflow-card {
  perspective: 800px;
  min-height: 280px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  box-shadow: none;
}

.workflow-hidden {
  display: none;
}

.workflow-grid.expanded .workflow-hidden {
  display: block;
}

.workflow-flip {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 280px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.workflow-card.flipped .workflow-flip {
  transform: rotateY(180deg);
}

.workflow-front, .workflow-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 2px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  background: var(--bg-card);
}

.workflow-front {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.workflow-front h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-primary);
}

.workflow-visual {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-code);
  border-radius: var(--radius-sm);
  justify-content: center;
}

.workflow-io-label {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.workflow-arrow {
  font-size: 1.2rem;
  color: var(--accent);
}

.workflow-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: auto;
}

.workflow-back {
  transform: rotateY(180deg);
  overflow-y: auto;
}

.workflow-back h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

/* Traffic light review indicator */
.traffic-light {
  display: flex;
  gap: 4px;
  align-items: center;
}

.traffic-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-subtle);
}

.traffic-dot.lit-green { background: var(--marker-green); }
.traffic-dot.lit-yellow { background: var(--accent); }
.traffic-dot.lit-red { background: var(--marker-red); }

/* "Show more" toggle button */
.workflow-toggle {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.workflow-toggle-btn {
  padding: 10px 24px;
  border: 1px dashed var(--border-subtle);
  border-radius: 100px;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--text-small);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  font-family: var(--font-body);
}

.workflow-toggle-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Mobile: tap to flip instead of hover */
@media (hover: none) {
  .workflow-card:hover .workflow-flip {
    transform: none;
  }
  .workflow-card.flipped .workflow-flip {
    transform: rotateY(180deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .workflow-flip {
    transition: none !important;
  }
  .workflow-card:hover .workflow-flip,
  .workflow-card.flipped .workflow-flip {
    transform: none !important;
  }
  .workflow-back {
    transform: none !important;
    position: relative;
    margin-top: var(--spacing-md);
  }
  .workflow-front {
    position: relative;
  }
}

/* --- Module trail (horizontal scroll-snap) --- */
.module-trail {
  position: relative;
  margin: var(--spacing-xl) calc(-1 * var(--spacing-lg));
  padding: var(--spacing-md) var(--spacing-lg);
  overflow: hidden;
}

@media (max-width: 640px) {
  .module-trail {
    margin-left: 0;
    margin-right: 0;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
}

.module-trail .module-grid {
  display: flex;
  gap: var(--spacing-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-md);
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.module-trail .module-grid::-webkit-scrollbar {
  height: 4px;
}
.module-trail .module-grid::-webkit-scrollbar-track {
  background: transparent;
}
.module-trail .module-grid::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.module-trail .module-card-link {
  scroll-snap-align: start;
  flex: 0 0 min(320px, 80vw);
}

/* Connecting path line behind cards */
.module-trail-line {
  position: absolute;
  top: 50%;
  left: var(--spacing-2xl);
  right: var(--spacing-2xl);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--border-subtle) 0,
    var(--border-subtle) 8px,
    transparent 8px,
    transparent 16px
  );
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.module-trail .module-card-link {
  position: relative;
  z-index: 1;
}

/* Trail scroll indicators (dots) */
.trail-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--spacing-sm);
}

.trail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
  transition: background 0.2s ease, transform 0.2s ease;
  border: none;
  padding: 0;
  cursor: pointer;
}

.trail-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}

/* Override vertical card layout for trail */
.module-trail .module-card-compact {
  flex-direction: column;
  align-items: flex-start;
  padding: var(--spacing-lg);
  gap: var(--spacing-md);
  min-height: 200px;
  transform: none;
}

.module-trail .module-card-link:nth-child(odd) .module-card-compact,
.module-trail .module-card-link:nth-child(even) .module-card-compact {
  transform: none;
}

.module-trail .module-card-compact:hover {
  transform: translateY(-4px);
}

.module-trail .module-card-compact .module-card-info { width: 100%; }
.module-trail .module-card-compact .module-card-title-row {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.module-trail .module-card-compact .module-title {
  white-space: normal;
  font-size: 1.1rem;
}
.module-trail .module-card-compact .module-subtitle {
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.module-trail .module-card-compact .module-card-end {
  width: 100%;
  justify-content: space-between;
  border-top: 1px dashed var(--border-subtle);
  padding-top: var(--spacing-sm);
  margin-top: auto;
}

/* --- Data Pack Inline Cards --- */
.data-pack-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}
.data-pack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.data-pack-card .data-pack-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}
.data-pack-card:hover { box-shadow: var(--shadow-card-hover); }
.data-pack-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}
.data-pack-card-info {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  min-width: 0;
}
.data-pack-card-icon { font-size: 1.3rem; flex-shrink: 0; }
.data-pack-card-name {
  font-weight: 600;
  font-size: var(--text-small);
  color: var(--text-primary);
  display: block;
  word-break: break-all;
}
.data-pack-card-desc {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  display: block;
  margin-top: 2px;
}
.data-pack-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-code);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.data-pack-download-btn:hover { background: var(--accent); color: white; }
.data-pack-preview {
  padding: var(--spacing-sm) var(--spacing-md);
  max-height: 280px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 0.8rem;
}
.data-pack-preview-skeleton {
  height: 80px;
  background: linear-gradient(90deg, var(--bg-code) 25%, var(--bg-secondary) 50%, var(--bg-code) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.data-pack-preview[data-loaded="true"] .data-pack-preview-skeleton { display: none; }
.data-pack-preview table {
  min-width: 400px;
  border-collapse: collapse;
  font-size: 0.75rem;
}
.data-pack-preview th {
  background: var(--bg-code);
  font-weight: 600;
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.data-pack-preview td {
  padding: 5px 8px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  color: var(--text-secondary);
}
.data-pack-preview .preview-note {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.7rem;
  padding: 6px 0;
  font-style: italic;
}
.data-pack-preview pre {
  background: var(--bg-code);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.75rem;
  line-height: 1.5;
  max-height: 200px;
  color: var(--text-secondary);
}
.data-pack-preview .docx-preview {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.data-pack-preview .docx-preview h1,
.data-pack-preview .docx-preview h2,
.data-pack-preview .docx-preview h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 8px 0 4px;
}
.data-pack-preview embed, .data-pack-preview iframe {
  width: 100%;
  height: 240px;
  border: none;
  border-radius: var(--radius-sm);
}
/* --- Materials section (bottom of module) --- */
.materials-section {
  padding: var(--spacing-xl) 0;
  border-top: 1px dashed var(--border-subtle);
}
.materials-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}
.materials-list { list-style: none; padding: 0; margin: 0; }
.materials-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.materials-icon { font-size: 1.1rem; flex-shrink: 0; }
.materials-info { flex: 1; min-width: 0; }
.materials-name { font-weight: 500; font-size: var(--text-small); color: var(--text-primary); }
.materials-desc { font-size: 0.8rem; color: var(--text-tertiary); }
.materials-download {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-code);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.materials-download:hover { background: var(--accent); color: white; }

.floating-back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 70;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.floating-back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.floating-back-to-top:hover {
  transform: translateY(-2px);
  color: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 1024px) {
  .floating-back-to-top {
    bottom: 72px;
  }
}

@media (max-width: 640px) {
  .data-pack-cards-grid { grid-template-columns: 1fr; }
}

/* --- Mobile hero adjustments --- */
@media (max-width: 640px) {
  .landing-hero {
    min-height: auto;
    padding: clamp(48px, 8vw, 80px) 0 clamp(32px, 4vw, 48px);
  }
  .stats-grid {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
  }
  .stats-grid .stat-item {
    flex: 0 0 calc(50% - var(--spacing-lg) / 2);
  }
  .stat-number {
    font-size: 1.4rem;
  }
}

/* ===== Rapid Fire Game ===== */
.rf-wrapper { margin-top: var(--spacing-xl); }
.rf-start-btn {
  display: block; width: 100%; padding: 16px 24px;
  font-size: 1.1rem; font-weight: 600;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius-md);
  cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.rf-start-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(224,123,57,0.3); }

.rf-game { max-width: 640px; margin: 0 auto; }
.rf-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; margin-bottom: 16px; font-size: 0.9rem; color: var(--text-secondary);
}
.rf-score { font-weight: 600; color: var(--text-primary); }
.rf-streak {
  background: linear-gradient(135deg, #f97316, #ef4444); color: #fff;
  padding: 2px 10px; border-radius: 12px; font-weight: 600; font-size: 0.85rem;
  animation: rf-streak-pop 0.3s ease;
}
@keyframes rf-streak-pop { 0% { transform: scale(0.8); } 50% { transform: scale(1.15); } 100% { transform: scale(1); } }

.rf-card {
  background: var(--bg-card); border: 2px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center; min-height: 140px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.rf-card-correct { border-color: #22c55e; }
.rf-card-wrong { animation: rf-shake 0.4s ease; border-color: #ef4444; }
@keyframes rf-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}
.rf-scenario-text { font-size: 1.15rem; line-height: 1.5; margin: 0; color: var(--text-primary); }
.rf-counter { margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }

.rf-buttons { display: flex; gap: 12px; margin-top: 20px; }
.rf-btn {
  flex: 1; padding: 14px 8px; font-size: 1rem; font-weight: 700;
  border: 2px solid var(--rf-color); background: transparent; color: var(--rf-color);
  border-radius: var(--radius-md); cursor: pointer;
  transition: all 0.15s ease; min-height: 48px;
}
.rf-btn:hover:not(:disabled) { background: var(--rf-color); color: #fff; transform: scale(1.03); }
.rf-btn:active:not(:disabled) { transform: scale(0.97); }
.rf-btn-dimmed { opacity: 0.3; cursor: default; }
.rf-btn-selected { background: var(--rf-color); color: #fff; opacity: 1; }
.rf-btn-correct { box-shadow: 0 0 0 3px var(--rf-color); opacity: 1; }

.rf-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.rf-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--border);
  transition: background 0.3s ease, transform 0.3s ease;
}
.rf-dot-active { background: var(--accent); transform: scale(1.3); }
.rf-dot-correct { background: #22c55e; }
.rf-dot-wrong { background: #ef4444; }

.rf-feedback {
  margin-top: 16px; padding: 16px 20px;
  border-radius: var(--radius-md); background: var(--bg-elevated);
  border-left: 4px solid var(--border);
  animation: rf-slide-in 0.3s ease;
}
@keyframes rf-slide-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.rf-fb-correct { color: #16a34a; font-weight: 700; }
.rf-fb-wrong { color: #dc2626; font-weight: 700; }
.rf-fb-reasoning { margin: 8px 0 0; color: var(--text-secondary); font-size: 0.95rem; }

.rf-end { text-align: center; padding: 40px 20px; }
.rf-end-emoji { font-size: 3rem; margin-bottom: 8px; }
.rf-end-score { font-size: 1.8rem; font-weight: 700; color: var(--text-primary); }
.rf-end-details { display: flex; justify-content: center; gap: 24px; margin-top: 12px; color: var(--text-secondary); font-size: 0.95rem; }
.rf-end-breakdown { display: flex; justify-content: center; gap: 16px; margin-top: 20px; }
.rf-cat { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; }
.rf-cat-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.rf-play-again {
  margin-top: 24px; padding: 12px 32px;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius-md);
  font-size: 1rem; font-weight: 600; cursor: pointer;
}
.rf-play-again:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(224,123,57,0.3); }

@media (max-width: 640px) {
  .rf-buttons { flex-direction: column; }
  .rf-btn { width: 100%; text-align: center; }
}

/* ===== Error Detective Game ===== */
.ed-game { position: relative; }
.ed-intro { margin-bottom: var(--spacing-lg); }
.ed-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; margin-bottom: 16px;
  background: var(--bg-elevated); border-radius: var(--radius-md);
}
.ed-timer-digits {
  font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; font-weight: 700;
  color: var(--section-walkthrough);
}
.ed-counter { display: flex; align-items: center; gap: 8px; }
.ed-dots { display: flex; gap: 6px; }
.ed-dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--border);
  transition: background 0.3s ease, transform 0.3s ease;
}
.ed-dot-found { background: var(--accent); transform: scale(1.2); }
.ed-counter-text { font-size: 0.85rem; color: var(--text-muted); }

.ed-report {
  background: var(--section-game-bg, #1e3a2f); color: var(--section-game-text, #e8e0d8);
  border-radius: var(--radius-lg); padding: 24px 28px; position: relative;
}
.ed-report-hint {
  text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.5);
  margin-bottom: 16px; font-style: italic;
}

.ed-zone {
  cursor: pointer; border-bottom: 2px dashed rgba(255,255,255,0.3);
  padding: 1px 4px; border-radius: 3px;
  transition: all 0.2s ease; position: relative;
}
.ed-zone:hover { background: rgba(255,255,255,0.1); border-bottom-color: rgba(255,255,255,0.6); }
.ed-zone-flagged {
  background: rgba(239, 68, 68, 0.25); border-bottom: 2px solid #ef4444;
  animation: ed-flag-pulse 0.3s ease;
}
@keyframes ed-flag-pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }
.ed-zone-correct {
  background: rgba(34, 197, 94, 0.3); border-bottom: 2px solid #22c55e;
  animation: ed-pop 0.4s ease;
}
.ed-zone-missed {
  background: rgba(239, 68, 68, 0.3); border-bottom: 2px solid #ef4444;
  text-decoration: underline wavy #ef4444;
}
.ed-zone-clear { border-bottom-color: transparent; cursor: default; }
@keyframes ed-pop { 0% { transform: scale(1); } 40% { transform: scale(1.12); } 100% { transform: scale(1); } }

.ed-actions { margin-top: 20px; text-align: center; }
.ed-submit-btn {
  padding: 14px 40px; font-size: 1rem; font-weight: 600;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius-md);
  cursor: pointer; transition: transform 0.15s ease;
}
.ed-submit-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(224,123,57,0.3); }

.ed-results { margin-top: 24px; }
.ed-medal {
  text-align: center; font-size: 1.4rem; font-weight: 700; color: var(--text-primary);
  padding: 16px; background: var(--bg-elevated); border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.ed-result-list { display: flex; flex-direction: column; gap: 12px; }
.ed-result-item {
  display: flex; gap: 12px; padding: 12px 16px;
  background: var(--bg-card); border-radius: var(--radius-md);
  border-left: 4px solid var(--border);
  animation: rf-slide-in 0.4s ease both;
}
.ed-result-item:nth-child(1) { animation-delay: 0ms; }
.ed-result-item:nth-child(2) { animation-delay: 500ms; }
.ed-result-item:nth-child(3) { animation-delay: 1000ms; }
.ed-result-item:nth-child(4) { animation-delay: 1500ms; }
.ed-result-item:nth-child(5) { animation-delay: 2000ms; }
.ed-result-icon { font-size: 1.3rem; flex-shrink: 0; }
.ed-result-item strong { display: block; margin-bottom: 4px; }
.ed-result-item p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

.ed-try-again {
  display: block; margin: 24px auto 0; padding: 12px 32px;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius-md);
  font-size: 1rem; font-weight: 600; cursor: pointer;
}
.ed-try-again:hover { transform: translateY(-1px); }