/* ========================================
   NAVIGATION
   ======================================== */

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.75rem 0;
  transition: background-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out), padding 0.15s var(--ease-out);
}

.main-nav.is-scrolled {
  background-color: rgba(253, 245, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--neutral-800);
  text-decoration: none;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-logo:hover {
  animation: wiggle 0.2s var(--ease-bounce);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-500);
  border-radius: var(--radius-md);
  transition: color 0.1s, background-color 0.1s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--primary-600);
  background-color: var(--primary-50);
}

.nav-links a.is-active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--pink-300), var(--primary-300));
  border-radius: 2px;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.625rem;
  color: var(--neutral-700);
}

/* Mobile nav */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: white;
  z-index: 201;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.175s var(--ease-spring);
  overflow-y: auto;
  box-shadow: -8px 0 30px rgba(15, 23, 42, 0.1);
}

.mobile-nav-overlay.is-open .mobile-nav-panel {
  transform: translateX(0);
}

.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--neutral-100);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-left: auto;
  margin-bottom: 1.5rem;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-list a {
  display: block;
  padding: 0.75rem 1rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--neutral-600);
  border-radius: var(--radius-md);
  transition: all 0.1s;
}

.mobile-nav-list a:hover,
.mobile-nav-list a.is-active {
  background: var(--primary-50);
  color: var(--primary-600);
}

.mobile-nav-list a.is-active {
  background: var(--primary-50);
  color: var(--primary-600);
  border-left: 3px solid var(--primary-500);
  padding-left: calc(1rem - 3px);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-400));
  z-index: 150;
  width: 0%;
  transition: width 0.05s linear;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(165deg, #FDFBF9 0%, #FDF5FF 30%, #F0FDF6 60%, #FFF5F7 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-600);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, var(--text-6xl));
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, var(--text-xl));
  color: var(--neutral-500);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero::before,
.module-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, var(--pink-300) 1px, transparent 1px),
    radial-gradient(circle, var(--primary-300) 1px, transparent 1px),
    radial-gradient(circle, var(--secondary-300) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px, 70px 70px;
  background-position: 0 0, 30px 30px, 15px 45px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.125s var(--ease-out);
  text-decoration: none;
  line-height: 1;
}

.btn:active {
  transform: scale(0.95);
  animation: jelly 0.15s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--pink-400));
  color: white;
  box-shadow: 0 4px 14px rgba(155, 91, 191, 0.25);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -100%;
  width: 60%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: skewX(-25deg);
  transition: left 0.3s var(--ease-out);
  pointer-events: none;
}

.btn-primary:hover::after {
  left: 120%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  box-shadow: 0 6px 20px rgba(155, 91, 191, 0.35);
  transform: translateY(-3px) scale(1.02);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--neutral-700);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--primary-300);
  color: var(--primary-600);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-icon {
  transition: transform 0.125s var(--ease-spring);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ========================================
   MODULE CARDS (Landing Page)
   ======================================== */

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
}

.module-card {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,255,255,0.95));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(226, 232, 240, 0.6);
  border-radius: 1.75rem;
  padding: 1.75rem;
  transition: all 0.15s var(--ease-out);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--module-color, var(--primary-600)), var(--pink-300));
  border-radius: 1.75rem 1.75rem 0 0;
  opacity: 0.5;
  transition: opacity 0.15s, height 0.15s;
}

.module-card::after {
  content: '\2728';
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1rem;
  opacity: 0;
  transform: scale(0);
  transition: all 0.15s var(--ease-bounce);
}

.module-card:hover {
  border-color: color-mix(in srgb, var(--module-color, var(--primary-600)) 30%, var(--neutral-200));
  box-shadow: 0 16px 32px -8px rgba(160, 140, 160, 0.15);
  transform: translateY(-6px) scale(1.01);
}

.module-card:hover::before {
  opacity: 1;
  height: 4px;
}

.module-card:hover::after {
  opacity: 0.6;
  transform: scale(1);
}

.module-card > * {
  position: relative;
  z-index: 1;
}

.module-card-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--module-color, var(--primary-600));
  background: color-mix(in srgb, var(--module-color, var(--primary-600)) 10%, white);
  transition: transform 0.15s var(--ease-spring), box-shadow 0.15s var(--ease-out);
}

.module-card:hover .module-card-number {
  transform: scale(1.08);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--module-color, var(--primary-600)) 20%, transparent);
}

.module-card-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  background: color-mix(in srgb, var(--module-color, var(--primary-600)) 10%, white);
  transition: background 0.15s var(--ease-out), transform 0.15s var(--ease-out);
  overflow: visible;
}

.module-card:hover .module-card-icon {
  background: color-mix(in srgb, var(--module-color, var(--primary-600)) 18%, white);
  transform: scale(1.08);
}

.module-card-icon svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.module-card-badge {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--module-color, var(--primary-600));
  color: white;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

.module-card h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.375rem;
  color: var(--neutral-800);
}

.module-card-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--neutral-500);
  margin-bottom: 0.75rem;
}

.module-card p {
  font-size: var(--text-sm);
  color: var(--neutral-500);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.module-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  background: var(--neutral-100);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neutral-500);
}

/* ========================================
   PROGRESS INDICATORS
   ======================================== */

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--neutral-200);
  stroke-width: 3;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--primary-500);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.4s var(--ease-out);
}

.progress-bar {
  height: 6px;
  background: var(--neutral-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-400));
  border-radius: var(--radius-full);
  transition: width 0.4s var(--ease-out);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  background-size: 200% 100%;
  animation: shimmer 1s ease-in-out infinite;
}

/* ========================================
   CONTENT SECTIONS (Module pages)
   ======================================== */

.content-section {
  padding: clamp(2rem, 6vw, 4rem) 0;
  position: relative;
}

.content-section:nth-child(even) {
  background-color: white;
}

.content-section:nth-child(odd) {
  background-color: var(--neutral-50);
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--neutral-500);
}

/* ========================================
   CALLOUT BOXES
   ======================================== */

.callout {
  position: relative;
  padding: 1.75rem 1.75rem 1.75rem 2rem;
  border-radius: var(--radius-lg);
  margin: 2rem 0;
  border-left: 4px solid;
  overflow: hidden;
}

.callout::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  opacity: 0.06;
  pointer-events: none;
}

.callout-wow::before { background: var(--primary-500); }
.callout-research::before { background: var(--accent-500); }
.callout-myth::before { background: var(--error); }
.callout-try::before { background: var(--success); }

.callout-wow {
  background: linear-gradient(135deg, #FDF5FF, #FFF5F7);
  border-left-color: var(--primary-500);
}

.callout-research {
  background: linear-gradient(135deg, #FFF8F0, #FFECDB);
  border-left-color: var(--accent-500);
}

.callout-myth {
  background: linear-gradient(135deg, #FFF5F7, #FFE0E8);
  border-left-color: var(--error);
}

.callout-try {
  background: linear-gradient(135deg, #F0FDF6, #D5F5E3);
  border-left-color: var(--success);
}

.callout-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.625rem;
  padding: 0.25rem 0.75rem 0.25rem 0;
  border-radius: var(--radius-sm);
}

.callout-label svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.callout-wow .callout-label { color: var(--primary-600); }
.callout-research .callout-label { color: var(--accent-600); }
.callout-myth .callout-label { color: var(--error); }
.callout-try .callout-label { color: var(--success); }

.callout p {
  font-size: var(--text-base);
  color: var(--neutral-700);
  margin-bottom: 0;
}

/* ========================================
   KEY FIGURE CARDS
   ======================================== */

.figure-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  margin: 1.25rem 0;
  transition: box-shadow 0.15s var(--ease-out), transform 0.15s var(--ease-out), border-color 0.15s;
}

.figure-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--neutral-300);
}

.figure-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary-600);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px white, 0 0 0 5px color-mix(in srgb, var(--primary-200) 60%, transparent);
  transition: box-shadow 0.15s var(--ease-out), transform 0.15s var(--ease-spring);
}

.figure-card:hover .figure-avatar {
  box-shadow: 0 0 0 3px white, 0 0 0 5px color-mix(in srgb, var(--primary-300) 80%, transparent), 0 4px 16px rgba(155, 91, 191, 0.15);
  transform: scale(1.05);
}

.figure-card h4 {
  font-size: var(--text-base);
  margin-bottom: 0.125rem;
}

.figure-card .figure-years {
  font-size: var(--text-xs);
  color: var(--neutral-400);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.figure-card > div:not(.figure-avatar) {
  min-width: 0;
}

.figure-card p {
  font-size: var(--text-sm);
  color: var(--neutral-500);
  margin-bottom: 0;
}

.figure-insight {
  margin-top: 0.75rem;
  padding: 0.625rem 0.875rem;
  background: var(--neutral-50);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--neutral-600);
  font-style: italic;
  line-height: 1.5;
}

/* ========================================
   QUIZ COMPONENT
   ======================================== */

.quiz-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 0;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
}

.quiz-progress-text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--neutral-500);
}

.quiz-progress-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 2rem;
}

.quiz-progress-segment {
  flex: 1;
  height: 5px;
  border-radius: 3px;
  background: var(--neutral-200);
  transition: background-color 0.2s var(--ease-out), transform 0.15s var(--ease-out), box-shadow 0.2s;
}

.quiz-progress-segment.is-correct {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

.quiz-progress-segment.is-incorrect {
  background: var(--error);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.25);
}

.quiz-progress-segment.is-current {
  background: linear-gradient(90deg, var(--primary-400), var(--primary-500));
  animation: quiz-segment-pulse 0.75s ease-in-out infinite;
}

.quiz-question {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.quiz-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: white;
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.125s var(--ease-out);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--neutral-700);
}

.quiz-option:hover {
  border-color: var(--primary-300);
  background: linear-gradient(135deg, var(--primary-50), var(--pink-50));
  transform: translateY(-2px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.quiz-option.is-selected {
  border-color: var(--primary-500);
  background: var(--primary-50);
  box-shadow: 0 0 0 3px rgba(155, 91, 191, 0.1);
}

.quiz-option.is-correct {
  border-color: var(--success);
  background: var(--success-bg);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.quiz-option.is-incorrect {
  border-color: var(--error);
  background: var(--error-bg);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.quiz-option.is-correct-answer {
  border-color: var(--success);
  background: var(--success-light);
}

.quiz-option-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--neutral-300);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--neutral-400);
  flex-shrink: 0;
  transition: all 0.1s;
}

.quiz-option.is-selected .quiz-option-marker {
  border-color: var(--primary-500);
  background: var(--primary-500);
  color: white;
}

.quiz-option.is-correct .quiz-option-marker {
  border-color: var(--success);
  background: var(--success);
  color: white;
}

.quiz-option.is-incorrect .quiz-option-marker {
  border-color: var(--error);
  background: var(--error);
  color: white;
}

/* Quiz feedback */
.quiz-feedback {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  margin-top: 1rem;
  overflow: hidden;
}

.quiz-feedback.is-correct {
  background: var(--success-bg);
  border: 1px solid var(--success-light);
}

.quiz-feedback.is-incorrect {
  background: var(--error-bg);
  border: 1px solid var(--error-light);
}

.quiz-feedback-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: 0.5rem;
}

.quiz-feedback.is-correct .quiz-feedback-title { color: var(--success); }
.quiz-feedback.is-incorrect .quiz-feedback-title { color: var(--error); }

.quiz-feedback p {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  line-height: 1.6;
}

/* Quiz results */
.quiz-results {
  text-align: center;
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
}

.quiz-results::before {
  content: '\2728  \1F389  \2728';
  display: block;
  font-size: 2rem;
  margin-bottom: 1rem;
  animation: bounce-in 0.25s var(--ease-bounce);
}

.quiz-results-score {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-6xl);
  margin-bottom: 0.5rem;
  position: relative;
}

.quiz-results-score.is-passing {
  background: linear-gradient(135deg, var(--success), #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.quiz-results-score.is-failing { color: var(--error); }

.quiz-results-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--neutral-500);
  margin-bottom: 1.5rem;
}

/* ========================================
   DRAG-DROP MATCHING
   ======================================== */

.drag-match-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
}

.drag-match-sources,
.drag-match-targets {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.drag-match-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.drag-item {
  padding: 0.875rem 1.125rem;
  background: white;
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--neutral-700);
  cursor: grab;
  transition: box-shadow 0.1s, border-color 0.1s, transform 0.1s;
  user-select: none;
}

.drag-item:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
}

.drag-item.is-dragging {
  cursor: grabbing;
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-400);
  transform: scale(1.03);
  z-index: 10;
}

.drag-item.is-matched {
  border-color: var(--success);
  background: var(--success-bg);
  cursor: default;
}

.drop-zone {
  padding: 0.875rem 1.125rem;
  background: var(--neutral-50);
  border: 2px dashed var(--neutral-300);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  min-height: 48px;
  transition: all 0.1s;
}

.drop-zone.is-highlight {
  border-color: var(--primary-400);
  background: var(--primary-50);
  border-style: solid;
}

.drop-zone.is-matched {
  border-color: var(--success);
  border-style: solid;
  background: var(--success-bg);
}

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

  /* SVG diagrams: horizontal scroll for readability */
  .diagram-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .diagram-container svg[viewBox] {
    min-width: 500px;
  }

  .diagram-scroll-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
  }
}

/* ========================================
   INTERACTIVE SVG DIAGRAM CONTAINER
   ======================================== */

.diagram-container {
  position: relative;
  margin: 2.5rem 0;
  background-image: radial-gradient(circle, rgba(148, 163, 184, 0.15) 1px, transparent 1px), linear-gradient(white, white);
  background-size: 24px 24px, auto;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  padding: 2rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.diagram-container::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--primary-200), var(--neutral-200), var(--secondary-200));
  -webkit-mask: linear-gradient(white 0 0) content-box, linear-gradient(white 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.diagram-container svg {
  width: 100%;
  height: auto;
}

.diagram-tooltip {
  position: absolute;
  max-width: 280px;
  padding: 0.875rem 1rem;
  background: var(--neutral-800);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.1s, transform 0.1s;
  z-index: 20;
  box-shadow: var(--shadow-xl);
}

.diagram-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.diagram-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0;
  border-style: solid;
  border-color: var(--neutral-800) transparent transparent;
}

.diagram-tooltip h5 {
  color: white;
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

/* ========================================
   STAT CARDS
   ======================================== */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.stat-card {
  position: relative;
  text-align: center;
  padding: 1.75rem 1.5rem;
  background: linear-gradient(145deg, white, var(--primary-50));
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-400), var(--secondary-400));
  opacity: 0;
  transition: opacity 0.15s;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
  background: color-mix(in srgb, var(--stat-color, var(--primary-500)) 10%, white);
  color: var(--stat-color, var(--primary-500));
}

.stat-card-icon svg {
  width: 14px;
  height: 14px;
}

.stat-card .stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-4xl);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-card .stat-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  font-weight: 600;
}

/* ========================================
   WAVE DIVIDERS
   ======================================== */

.wave-divider {
  display: block;
  width: 100%;
  height: auto;
  margin-top: -1px;
  filter: drop-shadow(0 -2px 4px rgba(160, 140, 160, 0.03));
  position: relative;
  z-index: 1;
}

.wave-divider-bottom {
  transform: rotate(180deg);
  margin-bottom: -1px;
  margin-top: 0;
  filter: drop-shadow(0 2px 4px rgba(160, 140, 160, 0.03));
}

/* ========================================
   PER-MODULE HERO COLORS
   ======================================== */
body[data-module-id="module1"]  { --module-accent: var(--module-1);  --module-accent-rgb: 176,136,212; }
body[data-module-id="module2"]  { --module-accent: var(--module-2);  --module-accent-rgb: 126,184,232; }
body[data-module-id="module3"]  { --module-accent: var(--module-3);  --module-accent-rgb: 92,201,155;  }
body[data-module-id="module4"]  { --module-accent: var(--module-4);  --module-accent-rgb: 139,143,224; }
body[data-module-id="module5"]  { --module-accent: var(--module-5);  --module-accent-rgb: 255,133,163; }
body[data-module-id="module6"]  { --module-accent: var(--module-6);  --module-accent-rgb: 255,190,133; }
body[data-module-id="module7"]  { --module-accent: var(--module-7);  --module-accent-rgb: 176,136,212; }
body[data-module-id="module8"]  { --module-accent: var(--module-8);  --module-accent-rgb: 102,179,255; }
body[data-module-id="module9"]  { --module-accent: var(--module-9);  --module-accent-rgb: 125,216,173; }
body[data-module-id="module10"] { --module-accent: var(--module-10); --module-accent-rgb: 192,138,222; }

/* ========================================
   MODULE PAGE HERO
   ======================================== */

.module-hero {
  position: relative;
  padding: clamp(5rem, 12vw, 8rem) 0 clamp(2rem, 6vw, 4rem);
  text-align: center;
  overflow: hidden;
}

.module-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, #FDFBF9 0%, #FDF5FF 30%, #FFF5F7 50%, #F0FDF6 100%);
  z-index: 0;
}

.module-hero-deco {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.module-hero-deco svg {
  position: absolute;
  pointer-events: none;
}

.module-hero .text-gradient {
  background: linear-gradient(135deg, var(--module-accent, var(--primary-600)), var(--secondary-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.module-hero-content {
  position: relative;
  z-index: 2;
}

.module-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: white;
  border: 1px solid color-mix(in srgb, var(--module-accent, var(--primary-600)) 30%, white);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--module-accent, var(--primary-600));
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.module-hero h1 {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  margin-bottom: 0.75rem;
}

.module-hero-subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(1rem, 2vw, var(--text-xl));
  color: var(--neutral-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   MODULE NAVIGATION (prev/next)
   ======================================== */

.module-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--neutral-200);
  gap: 1rem;
}

.module-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all 0.125s var(--ease-out);
  max-width: 45%;
}

.module-nav-link:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.module-nav-link .nav-direction {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neutral-400);
}

.module-nav-link .nav-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--primary-600);
}

.module-nav-link.is-next {
  text-align: right;
  margin-left: auto;
}

/* ========================================
   QUOTE / BLOCKQUOTE
   ======================================== */

.blockquote {
  position: relative;
  padding: 2rem 2rem 2rem 2.5rem;
  margin: 2rem 0;
  border-left: 4px solid var(--primary-300);
  background: linear-gradient(135deg, var(--primary-50) 0%, rgba(250, 245, 255, 0.5) 100%);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  overflow: hidden;
}

.blockquote::before {
  content: '\201C';
  position: absolute;
  top: -0.25rem;
  left: 0.75rem;
  font-family: Georgia, serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--primary-200);
  opacity: 0.5;
  pointer-events: none;
}

.blockquote::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--primary-200);
  opacity: 0.08;
  pointer-events: none;
}

.blockquote p {
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--neutral-700);
  margin-bottom: 0.5rem;
}

.blockquote-author {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--primary-600);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.blockquote-author::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--primary-300);
  border-radius: 1px;
}

/* ========================================
   TWO-COLUMN LAYOUT
   ======================================== */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.two-col-reverse {
  direction: rtl;
}

.two-col-reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .two-col,
  .two-col-reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
    direction: ltr;
  }
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  padding: clamp(1.5rem, 4vw, 3rem) 0;
  background: linear-gradient(135deg, #3D3732, #4A2960);
  color: var(--neutral-400);
  text-align: center;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  position: relative;
  overflow: hidden;
}

.site-footer a {
  color: var(--primary-300);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.footer-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-600), var(--secondary-500));
  border-radius: 1px;
  margin: 1rem auto;
  opacity: 0.5;
}

.footer-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Diagram scroll hint (hidden by default, shown on mobile) */
.diagram-scroll-hint {
  display: none;
}

/* ========================================
   SMALL PHONE BREAKPOINT (480px)
   ======================================== */
@media (max-width: 480px) {
  .container,
  .container-narrow {
    padding: 0 1rem;
  }

  .section-header {
    margin-bottom: 1.5rem;
  }

  .quiz-container {
    padding: 1.5rem 0;
  }

  .figure-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .figure-avatar {
    width: 48px;
    height: 48px;
    font-size: 1.125rem;
  }

  .stat-grid {
    gap: 0.75rem;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-card .stat-number {
    font-size: var(--text-3xl);
  }

  .module-nav {
    flex-direction: column;
    gap: 0.75rem;
  }

  .module-nav-link {
    max-width: 100%;
    width: 100%;
  }

  .callout {
    padding: 1rem 1rem 1rem 1.25rem;
  }

  .diagram-container {
    padding: 1rem;
    margin: 1.5rem 0;
  }

  .diagram-tooltip {
    max-width: min(280px, calc(100vw - 2rem));
  }

  .btn {
    padding: 0.75rem 1.25rem;
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   CUTE PASTEL ADDITIONS
   ======================================== */

::selection {
  background-color: var(--pink-200);
  color: var(--pink-600);
}

.cute-divider {
  font-size: 0.75rem;
  color: var(--primary-300);
  letter-spacing: 0.5em;
  margin: 0.5rem 0;
  opacity: 0.6;
  text-align: center;
}

/* ========================================
   VISUAL TIMELINE
   Reusable horizontal/vertical timeline for
   historical events, developmental stages,
   and process sequences.
   ======================================== */

.visual-timeline {
  position: relative;
  padding: 2rem 0;
  margin: 2rem 0;
}

.visual-timeline-track {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
}

.visual-timeline-track::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-300), var(--secondary-300));
  border-radius: 2px;
  z-index: 0;
}

.visual-timeline-item {
  position: relative;
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding-top: 48px;
  z-index: 1;
}

.visual-timeline-node {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: white;
  border: 3px solid var(--primary-500);
  z-index: 2;
  transition: transform 0.15s var(--ease-spring), box-shadow 0.15s;
}

.visual-timeline-item:hover .visual-timeline-node {
  transform: translateX(-50%) scale(1.2);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
}

.visual-timeline-year {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xs);
  color: var(--primary-600);
  margin-bottom: 0.25rem;
}

.visual-timeline-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--neutral-700);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.visual-timeline-desc {
  font-size: var(--text-xs);
  color: var(--neutral-500);
  line-height: 1.4;
  padding: 0 0.5rem;
}

/* Vertical variant */
.visual-timeline--vertical .visual-timeline-track {
  flex-direction: column;
  overflow-x: visible;
  padding-bottom: 0;
  padding-left: 2rem;
}

.visual-timeline--vertical .visual-timeline-track::before {
  top: 0;
  bottom: 0;
  left: 10px;
  right: auto;
  width: 3px;
  height: auto;
  background: linear-gradient(180deg, var(--primary-300), var(--secondary-300));
}

.visual-timeline--vertical .visual-timeline-item {
  padding-top: 0;
  padding-left: 2rem;
  padding-bottom: 2rem;
  min-width: auto;
  text-align: left;
}

.visual-timeline--vertical .visual-timeline-node {
  top: 4px;
  left: -2rem;
  transform: translateX(-50%);
}

.visual-timeline--vertical .visual-timeline-item:hover .visual-timeline-node {
  transform: translateX(-50%) scale(1.2);
}

/* ========================================
   PROCESS FLOW
   Reusable flowchart component for cause-
   effect chains, decision trees, and
   step-by-step processes.
   ======================================== */

.process-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 0.5rem;
  margin: 2rem 0;
  padding: 1rem 0;
}

.process-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1rem;
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  min-width: 120px;
  max-width: 180px;
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s;
  position: relative;
}

.process-flow-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.process-flow-step-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--step-color, var(--primary-500)) 12%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--step-color, var(--primary-500));
}

.process-flow-step-icon svg {
  width: 22px;
  height: 22px;
}

.process-flow-step-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--neutral-800);
  margin-bottom: 0.25rem;
}

.process-flow-step-desc {
  font-size: var(--text-xs);
  color: var(--neutral-500);
  line-height: 1.4;
}

.process-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-400);
  flex-shrink: 0;
  align-self: center;
  padding-top: 0;
}

.process-flow-arrow svg {
  width: 24px;
  height: 24px;
}

/* Decision variant (diamond shape) */
.process-flow-step--decision {
  border-color: var(--accent-400);
  background: linear-gradient(135deg, #FFFBEB, #FFF8F0);
}

.process-flow-step--decision .process-flow-step-icon {
  background: color-mix(in srgb, var(--accent-500) 12%, white);
  color: var(--accent-600);
}

/* Outcome variants */
.process-flow-step--positive {
  border-color: var(--success);
  background: linear-gradient(135deg, #F0FDF6, #ECFDF5);
}

.process-flow-step--negative {
  border-color: var(--error);
  background: linear-gradient(135deg, #FFF5F7, #FEF2F2);
}

@media (max-width: 640px) {
  .process-flow {
    flex-direction: column;
    align-items: center;
  }

  .process-flow-arrow {
    transform: rotate(90deg);
  }

  .process-flow-step {
    max-width: 280px;
    width: 100%;
  }
}

/* ========================================
   COMPARE COLUMNS
   Side-by-side comparison for theories,
   approaches, or concepts.
   ======================================== */

.compare-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.compare-column {
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
  background: white;
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s;
}

.compare-column:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.compare-column-header {
  padding: 1rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  color: white;
  background: linear-gradient(135deg, var(--col-color, var(--primary-500)), color-mix(in srgb, var(--col-color, var(--primary-500)) 80%, black));
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.compare-column-header svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.compare-column-body {
  padding: 0;
}

.compare-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--neutral-100);
  font-size: var(--text-sm);
  color: var(--neutral-700);
  line-height: 1.5;
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-row-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--col-color, var(--primary-500));
  margin-top: 1px;
}

.compare-row-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.125rem;
}

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

/* ========================================
   STAGE PROGRESSION
   Horizontal stepped layout for showing
   developmental stages with age labels.
   ======================================== */

.stage-progression {
  display: flex;
  align-items: flex-end;
  gap: 0;
  margin: 2rem 0;
  padding: 1rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.stage-step {
  position: relative;
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 1rem 0.5rem;
  transition: transform 0.15s var(--ease-out);
}

.stage-step:hover {
  transform: translateY(-4px);
}

.stage-step-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--stage-color, var(--primary-400)), color-mix(in srgb, var(--stage-color, var(--primary-400)) 70%, white));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin-bottom: 0.75rem;
  transition: box-shadow 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xs);
  padding: 0.5rem 0.25rem;
  min-height: 40px;
}

.stage-step:hover .stage-step-bar {
  box-shadow: 0 -4px 12px color-mix(in srgb, var(--stage-color, var(--primary-400)) 30%, transparent);
}

.stage-step-age {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xs);
  color: var(--stage-color, var(--primary-600));
  margin-bottom: 0.25rem;
}

.stage-step-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.6875rem;
  color: var(--neutral-600);
  line-height: 1.3;
}

.stage-step-connector {
  position: absolute;
  top: 50%;
  right: -4px;
  width: 8px;
  height: 2px;
  background: var(--neutral-300);
  z-index: 1;
}

.stage-step:last-child .stage-step-connector {
  display: none;
}

/* ========================================
   CHART FIGURE WRAPPER
   Wraps data-chart elements with an optional
   caption and consistent spacing.
   ======================================== */

.chart-figure {
  margin: 2rem 0;
  padding: 1.5rem;
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.chart-figure-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--neutral-700);
  text-align: center;
  margin-bottom: 1rem;
}

.chart-figure-caption {
  font-size: var(--text-xs);
  color: var(--neutral-500);
  text-align: center;
  margin-top: 0.75rem;
  font-style: italic;
  line-height: 1.4;
}

.chart-figure [data-chart] {
  max-width: 480px;
  margin: 0 auto;
}

/* Multi-chart row (side-by-side donut charts) */
.chart-row {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.chart-row-item {
  flex: 1;
  min-width: 160px;
  max-width: 220px;
  text-align: center;
}

.chart-row-item-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--neutral-700);
  margin-bottom: 0.5rem;
}