:root {
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
}

[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --accent-primary: #818cf8;
  --accent-secondary: #22d3ee;
  --accent-warm: #fbbf24;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.05);
  --hero-gradient: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.3), transparent),
                   radial-gradient(ellipse 60% 50% at 80% 50%, rgba(6, 182, 212, 0.15), transparent),
                   radial-gradient(ellipse 50% 40% at 20% 80%, rgba(139, 92, 246, 0.12), transparent);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #eef2ff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: #ffffff;
  --accent-primary: #6366f1;
  --accent-secondary: #06b6d4;
  --accent-warm: #f59e0b;
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --glass: rgba(255, 255, 255, 0.7);
  --hero-gradient: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.15), transparent),
                   radial-gradient(ellipse 60% 50% at 80% 50%, rgba(6, 182, 212, 0.1), transparent);
}