/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */

:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-alt: #1a1a1a;
  --color-border: #1e1e1e;
  --color-accent: #cc0000;
  --color-accent-hover: #e60000;
  --color-text-primary: #f0f0f0;
  --color-text-muted: #888888;
  --color-text-on-accent: #ffffff;

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;
  --text-6xl: 4rem;
  --text-7xl: 6rem;

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 10rem;

  /* Layout */
  --container-max-width: 1280px;
  --header-height: 80px;
  --header-height-scrolled: 60px;

  /* Breakpoints */
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;

  /* Border Radius — sharp, technical, red.com-inspired */
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 6px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}