:root {
  /* Colors - Obsidian Dark Base */
  --color-bg: #000000;
  --color-surface-base: #09090b;
  --color-surface-card: #111114;
  --color-surface-card-hover: #16161b;
  --color-surface-muted: #1c1c24;
  --color-surface-pill: #22222b;

  --color-text-main: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-text-dim: #52525b;

  /* Brand Accents - High Contrast Vibrance */
  --color-accent-blue: #2b4bee;
  --color-accent-blue-hover: #1f3ed6;
  --color-accent-pink: #ee2b6c;
  --color-accent-green: #00cc76;

  /* Borders & Gradients */
  --color-border: #27272a;
  --color-border-subtle: #1c1c20;
  --color-border-hover: #3f3f46;

  /* Typography */
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', Menlo, Monaco, Consolas, monospace;

  /* Spacing Scale */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions & Spring Physics */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --duration-spring: 600ms;

  /* Layout */
  --container-max: 1360px;
  --container-gutter: clamp(16px, 4vw, 48px);
}