:root, [data-theme="dark"] {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #10b981;
  --accent-warm: #f59e0b;

  --bg-body: #0f172a;
  --bg-section: #0f172a;
  --bg-section-alt: #1e293b;
  --bg-card: rgba(255,255,255,0.04);
  --bg-input: rgba(255,255,255,0.06);

  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-faint: rgba(255,255,255,0.35);

  --border-color: rgba(255,255,255,0.08);
  --border-card: rgba(255,255,255,0.08);

  --nav-bg: rgba(15, 23, 42, 0.95);
  --hero-grad-1: #0f172a;
  --hero-grad-2: #1e293b;

  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --card-hover-shadow: rgba(37, 99, 235, 0.15);

  --chart-bg: #1e293b;
  --chart-border: rgba(255,255,255,0.08);
  --chart-text: #94a3b8;

  --pricing-card-bg: rgba(255,255,255,0.04);
  --pricing-card-border: rgba(255,255,255,0.12);
  --pricing-notice-bg: rgba(255,255,255,0.06);

  --footer-bg: #0b1120;

  --logo-ring: rgba(255,255,255,0.15);
  --logo-vert: rgba(255,255,255,0.3);
}

[data-theme="light"] {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #059669;
  --accent-warm: #d97706;

  --bg-body: #ffffff;
  --bg-section: #ffffff;
  --bg-section-alt: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --border-color: #e2e8f0;
  --border-card: #e2e8f0;

  --nav-bg: rgba(255, 255, 255, 0.95);
  --hero-grad-1: #0f172a;
  --hero-grad-2: #1e293b;

  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-hover-shadow: rgba(37, 99, 235, 0.08);

  --chart-bg: #ffffff;
  --chart-border: #e2e8f0;
  --chart-text: #64748b;

  --pricing-card-bg: #ffffff;
  --pricing-card-border: #e2e8f0;
  --pricing-notice-bg: #f8fafc;

  --footer-bg: #0f172a;

  --logo-ring: rgba(255,255,255,0.15);
  --logo-vert: rgba(255,255,255,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.3s ease;
}

[data-theme="light"] nav {
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}

.nav-logo-icon {
  width: 44px;
  height: 44px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.nav-logo:hover .nav-logo-icon {
  transform: scale(1.1);
}

.nav-logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: #ffffff;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

[data-theme="light"] .nav-logo-text {
  color: var(--text-primary);
}

[data-theme="light"] .nav-logo-icon circle:first-of-type {
  stroke: rgba(0,0,0,0.12);
}

[data-theme="light"] .nav-logo-icon line[stroke="rgba(255,255,255,0.3)"],
[data-theme="light"] .nav-logo-icon polyline[stroke="rgba(255,255,255,0.3)"] {
  stroke: rgba(0,0,0,0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: #ffffff; }

[data-theme="light"] .nav-links a {
  color: var(--text-muted);
}

[data-theme="light"] .nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--primary) !important;
  color: #ffffff !important;
  padding: 8px 20px !important;
  border-radius: 8px;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--primary-dark) !important; }

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: background 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
  background: var(--bg-input);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; color: rgba(255,255,255,0.6); }

[data-theme="light"] .theme-toggle .icon-sun { display: block; color: var(--text-muted); }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--hero-grad-1) 0%, var(--hero-grad-2) 40%, var(--hero-grad-1) 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 50%, rgba(37, 99, 235, 0.15), transparent),
    radial-gradient(ellipse 500px 300px at 80% 30%, rgba(16, 185, 129, 0.08), transparent);
}

#gravity-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

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

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: 300;
}

.hero-author {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
}

.hero-author strong { color: rgba(255,255,255,0.8); }

.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-lg {
  font-size: 1rem;
  padding: 16px 36px;
}

.btn-full { width: 100%; text-align: center; }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 12px;
}

.paper-preview {
  padding: 80px 24px;
  background: var(--bg-section-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.paper-preview-wrapper {
  position: relative;
  display: inline-block;
  max-width: 420px;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.paper-preview-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.paper-preview-img {
  width: 100%;
  height: auto;
  display: block;
}

.paper-preview-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 24px 28px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
  display: flex;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.paper-preview-wrapper:hover .paper-preview-overlay {
  opacity: 1;
}

@media (max-width: 768px) {
  .paper-preview-wrapper {
    max-width: 320px;
  }
  .paper-preview-overlay {
    opacity: 1;
  }
}

.frameworks {
  padding: 100px 24px;
  background: var(--bg-section);
}

.frameworks h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.framework-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.framework-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 32px var(--card-hover-shadow);
}

.framework-icon {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: 20px;
}

.framework-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.framework-question {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  font-style: italic;
  margin-bottom: 12px;
}

.framework-card p:last-child {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.evidence {
  padding: 100px 24px;
  background: var(--bg-section-alt);
}

.evidence .section-label { color: var(--accent); }

.evidence h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.evidence-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
}

.evidence-stat {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.03em;
}

.evidence-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.evidence-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.concepts {
  padding: 100px 24px;
  background: var(--bg-section);
}

.concepts h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.concepts-list {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.concept-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.concept-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="light"] .concept-num {
  background: rgba(37, 99, 235, 0.1);
}

.concept-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.concept-item p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.author-section {
  padding: 100px 24px;
  background: var(--bg-section-alt);
  border-top: 1px solid var(--border-color);
}

.author-card {
  max-width: 600px;
}

.author-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.author-affiliation {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.author-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.author-acknowledgements {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 16px;
  margin-bottom: 0;
}

.pricing {
  padding: 100px 24px;
  text-align: center;
  background: var(--bg-section);
}

.pricing h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 40px;
  color: var(--text-primary);
}

.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--pricing-card-bg);
  border: 2px solid var(--pricing-card-border);
  border-radius: 20px;
  padding: 40px;
  text-align: left;
}

.pricing-header { text-align: center; margin-bottom: 32px; }

.pricing-amount {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pricing-amount span {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  font-size: 0.925rem;
  color: var(--text-secondary);
  padding-left: 28px;
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 8l3 3 5-5' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.payment-notice {
  text-align: center;
  padding: 16px;
  background: var(--pricing-notice-bg);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

footer {
  background: var(--footer-bg);
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 48px 0 40px;
  gap: 48px;
}

.footer-brand {
  max-width: 340px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 12px;
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.footer-logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: 64px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin: 0 0 4px;
}

.footer-nav-col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav-col a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.footer-legal-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-legal-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-format {
  margin-top: 6px !important;
  font-size: 0.72rem !important;
  color: rgba(255,255,255,0.25) !important;
}

.legal-page {
  min-height: 100vh;
  padding: 100px 24px 60px;
  background: var(--bg-body);
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.legal-updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-content li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 6px;
}

.legal-content a {
  color: var(--primary);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
}

.success-card {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
}

.success-card h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.success-card > p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.success-card .btn { margin-bottom: 20px; }

.success-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.video-section {
  padding: 80px 0;
  background: var(--bg-section-alt);
  text-align: center;
}

.video-section h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.video-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.video-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  border: 1px solid var(--border-color);
}

[data-theme="light"] .video-wrapper {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.video-wrapper iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
}

.hgi-chart-section {
  padding: 80px 0;
  background: var(--chart-bg);
  color: var(--text-primary);
}

.hgi-chart-section .section-label {
  color: var(--accent);
}

.hgi-chart-section h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.chart-subtitle {
  color: var(--chart-text);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.chart-wrapper {
  background: var(--chart-bg);
  border: 1px solid var(--chart-border);
  border-radius: 12px;
  padding: 24px 20px 16px;
  margin-bottom: 16px;
}

.chart-wrapper canvas {
  width: 100% !important;
  height: 400px !important;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--chart-text);
  cursor: pointer;
  transition: opacity 0.2s;
}

.legend-item:hover {
  opacity: 0.8;
}

.legend-swatch {
  width: 14px;
  height: 3px;
  border-radius: 2px;
}

.phase-labels {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.phase-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--chart-text);
}

.phase-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.phase-critical .phase-dot { background: rgba(239, 68, 68, 0.4); }
.phase-accel .phase-dot { background: rgba(245, 158, 11, 0.4); }
.phase-emerging .phase-dot { background: rgba(34, 197, 94, 0.3); }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-section-alt, #1e293b);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.3);
  padding: 0;
}
.cookie-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cookie-inner p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.cookie-inner p a {
  color: var(--accent);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.cookie-accept {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.cookie-accept:hover { opacity: 0.85; }
.cookie-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: underline;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .nav-logo-text { display: none; }
  .nav-links { gap: 12px; }
  .nav-links a:not(.nav-cta):not(.theme-toggle) { display: none; }
  .hero { min-height: 80vh; padding: 100px 24px 60px; }
  .framework-grid { grid-template-columns: 1fr; }
  .evidence-grid { grid-template-columns: 1fr; }
  .concept-item { flex-direction: column; gap: 12px; }
  .chart-wrapper canvas { height: 280px !important; }
  .phase-labels { flex-direction: column; align-items: center; gap: 8px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-nav { gap: 40px; }
  .cookie-inner { flex-direction: column; text-align: center; gap: 14px; }
  .industry-grid { grid-template-columns: 1fr; }
  .faq-question span:first-child { font-size: 0.95rem; }
}

.industry-section {
  padding: 100px 24px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-color);
}

.industry-heading {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
}

@media (max-width: 900px) and (min-width: 769px) {
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

.industry-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.industry-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 32px var(--card-hover-shadow);
  transform: translateY(-2px);
}

.industry-card-active {
  border-color: var(--primary);
  box-shadow: 0 8px 32px var(--card-hover-shadow);
}

.industry-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.industry-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.industry-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.industry-hgi {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.industry-phase {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
}

.industry-phase-accel {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.industry-phase-emerging {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.industry-detail {
  display: none;
  margin-top: 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
  max-width: 900px;
}

.industry-detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.industry-detail-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--text-primary);
  margin: 0;
}

.industry-detail-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.industry-bar-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.industry-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.industry-bar-track {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  overflow: hidden;
}

.industry-bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s ease;
}

.industry-detail-evidence {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.industry-detail-evidence strong {
  color: var(--text-primary);
}

.faq-section {
  padding: 100px 24px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-color);
}

.faq-heading {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.faq-list {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
  line-height: 1;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-bottom: 20px;
  margin: 0;
}

.faq-item-open .faq-answer {
  max-height: 300px;
}

.faq-item-open .faq-icon {
  transform: rotate(45deg);
}