:root {
  --bg: #f8f9fd;
  --bg-elevated: #ffffff;
  --bg-dark: #1e1b4b;
  --bg-dark-soft: #312e81;
  --ink: #1e1b4b;
  --ink-soft: #4338ca;
  --ink-muted: #6366f1;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --sage: #4f46e5;
  --sage-soft: rgba(79, 70, 229, 0.08);
  --sage-muted: #818cf8;
  --line: rgba(30, 27, 75, 0.08);
  --line-strong: rgba(30, 27, 75, 0.16);
  --shadow-sm: 0 1px 2px rgba(30, 27, 75, 0.05);
  --shadow-md: 0 8px 30px rgba(79, 70, 229, 0.08), 0 2px 8px rgba(30, 27, 75, 0.04);
  --shadow-lg: 0 20px 50px rgba(79, 70, 229, 0.12);
  --shadow-ui: 0 28px 70px rgba(79, 70, 229, 0.15), 0 8px 24px rgba(30, 27, 75, 0.06);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --font-display: "Onest", "Noto Sans KR", sans-serif;
  --font-body: "Libre Franklin", "Noto Sans KR", sans-serif;
  --nav-scroll-bg: rgba(248, 249, 253, 0.9);
  --logo-gradient: linear-gradient(145deg, #4f46e5, #7c3aed);
  --hero-bg: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(79, 70, 229, 0.07), transparent), radial-gradient(ellipse 40% 30% at 100% 100%, rgba(124, 58, 237, 0.05), transparent);
  --btn-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
  --flow-glow: 0 0 0 6px rgba(79, 70, 229, 0.2);
  --module-hover-border: rgba(79, 70, 229, 0.35);
  --cta-bg: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --cta-glow: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.15), transparent 50%);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1100px;
  --nav-h: 72px;
}

body.theme-indigo .eyebrow {
  color: var(--accent);
}

body.theme-indigo .eyebrow::before {
  background: var(--accent);
}

body.theme-indigo .hero-meta dt {
  color: var(--accent);
}

body.theme-indigo .feature-list li::before {
  color: var(--accent);
}

body.theme-indigo .flow-section {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

body.theme-indigo .module-icon {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
}

body.theme-indigo .problem-icon {
  background: var(--accent-soft);
  color: var(--accent);
}

body.theme-indigo .btn-primary {
  background: var(--accent);
}

body.theme-indigo .tag {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
}

body.theme-indigo .section-title {
  max-width: none;
}

body.theme-indigo .hero-title {
  max-width: none;
}

body.theme-indigo .hero-grid {
  grid-template-columns: 1fr;
  text-align: center;
}

body.theme-indigo .hero-copy .hero-title,
body.theme-indigo .hero-copy .hero-tagline,
body.theme-indigo .hero-copy .lead,
body.theme-indigo .hero-highlights { margin-inline: auto; }

body.theme-indigo .hero-copy .lead {
  color: rgba(30, 27, 75, 0.72);
}

body.theme-indigo .hero-cta { justify-content: center; }

body.theme-indigo .hero-meta { justify-content: center; }

body.theme-indigo .ui-mock { max-width: 720px; margin-inline: auto; }

body.theme-indigo .module-card {
  border-left: 3px solid var(--accent);
}