:root {
  /* Brand palette */
  --purple-950: #2a1f5c;
  --purple-900: #3d2e7a;
  --purple-800: #4e3a9a;
  --purple-600: #6b4fd8;
  --purple-500: #7c5fe8;
  --purple-400: #9b7ef0;
  --purple-200: #ddd6fe;
  --purple-100: #f3f0ff;
  --purple-50: #faf8ff;

  --gold-600: #c99a0f;
  --gold-500: #e8b923;
  --gold-400: #f0cc4a;
  --gold-100: #fef9e7;

  --surface: #fafafc;
  --surface-elevated: #ffffff;
  --text: #1a1a2e;
  --text-muted: #5c5c7a;
  --text-inverse: #ffffff;
  --border: rgba(61, 46, 122, 0.12);
  --border-strong: rgba(61, 46, 122, 0.22);

  /* Semantic */
  --color-primary: var(--purple-600);
  --color-primary-hover: var(--purple-800);
  --color-accent: var(--gold-500);
  --color-success: #22c55e;
  --color-danger: #ef4444;

  /* Typography */
  --font-family: "Manrope", system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: clamp(1.75rem, 4vw, 2.25rem);
  --font-size-4xl: clamp(2rem, 5vw, 3rem);
  --font-size-5xl: clamp(2.5rem, 6vw, 3.75rem);
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 72px;

  /* Radius & shadow */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(61, 46, 122, 0.08);
  --shadow-md: 0 4px 20px rgba(61, 46, 122, 0.1);
  --shadow-lg: 0 12px 40px rgba(61, 46, 122, 0.14);
  --shadow-glow: 0 8px 32px rgba(107, 79, 216, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.22, 1, 0.36, 1);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: 16px;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}