:root {
  /* Colors */
  --color-bg: #0f1115; /* Deep space black */
  --color-surface: #1a1d24; /* Slightly lighter for cards */
  --color-surface-hover: #232730;
  --color-border: #333845;
  --color-text: #e2e8f0; /* Crisp light gray */
  --color-text-muted: #94a3b8;
  --color-accent: #f97316; /* Safety orange */
  --color-accent-hover: #ea580c;
  --color-white: #ffffff;
  --color-steel: #64748b; /* Steel gray */

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-text: 'IBM Plex 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: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  /* Layout */
  --container-max: 1200px;
}