:root {
  
  --bg-dark-950: #070a12;
  --bg-dark-900: #0b0f19;
  --bg-dark-850: #0f172a;
  --bg-dark-800: #1e293b;
  --bg-dark-700: #334155;

  --surface-glass-subtle: rgba(15, 23, 42, 0.45);
  --surface-glass: rgba(15, 23, 42, 0.75);
  --surface-glass-elevated: rgba(30, 41, 59, 0.75);
  --surface-glass-border: rgba(255, 255, 255, 0.08);
  --surface-glass-border-hover: rgba(6, 182, 212, 0.4);

  --accent-cyan: #06b6d4;
  --accent-cyan-light: #22d3ee;
  --accent-emerald: #10b981;
  --accent-emerald-light: #34d399;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --text-accent: #38bdf8;

  --grad-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --grad-glow: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --grad-surface: linear-gradient(180deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  --grad-card-featured: linear-gradient(180deg, rgba(6, 182, 212, 0.15) 0%, rgba(15, 23, 42, 0.9) 100%);
  --grad-dark-mesh: radial-gradient(at 10% 10%, rgba(6, 182, 212, 0.12) 0px, transparent 50%),
                    radial-gradient(at 90% 10%, rgba(139, 92, 246, 0.12) 0px, transparent 50%),
                    radial-gradient(at 50% 90%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 30px -5px rgba(6, 182, 212, 0.35);
  --shadow-glow-emerald: 0 0 30px -5px rgba(16, 185, 129, 0.35);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.825rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.2vw, 0.95rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.35rem);
  --text-4xl: clamp(2.25rem, 1.85rem + 1.8vw, 3.25rem);
  --text-5xl: clamp(2.75rem, 2.2rem + 2.5vw, 4.25rem);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1240px;
  --container-narrow: 840px;
  --container-pad: clamp(1rem, 4vw, 2rem);
}