:root {
  /* Backgrounds */
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #222222;
  --bg-card-hover: #2a2a2a;

  /* Accents */
  --accent: #e8841a;
  --accent-light: #f5a623;
  --accent-dark: #c46a10;
  --accent-glow: rgba(232, 132, 26, 0.15);

  /* Text */
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-on-accent: #0f0f0f;

  /* Borders */
  --border: #333333;
  --overlay: rgba(0, 0, 0, 0.6);

  /* Spacing (8px base) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Sizing */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Typography — system fonts only, zero external dependencies */
  --font-heading: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-base: 350ms ease;
  --transition-slow: 600ms ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}