:root {
  /* Background Colors */
  --bg-primary: #050d1a;
  --bg-secondary: #0a1628;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.07);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.06);

  /* Brand Colors */
  --color-primary: #667eea;
  --color-secondary: #764ba2;
  --color-accent: #00d2ff;
  --color-success: #10b981;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #00d2ff 0%, #667eea 100%);
  --gradient-text: linear-gradient(135deg, #667eea 0%, #00d2ff 100%);
  --gradient-hero-bg: radial-gradient(ellipse at 70% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 60%),
                      radial-gradient(ellipse at 30% 70%, rgba(118, 75, 162, 0.1) 0%, transparent 60%);

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 80px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.2);
  --shadow-glow-strong: 0 0 60px rgba(102, 126, 234, 0.35);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.05);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}