/* ============================================
   EXFACERE - Design System Variables
   Premium Landing Page Design Tokens
   ============================================ */

:root {
  /* === Colors === */

  /* Background Colors - Deep purple/charcoal */
  --bg-primary: #0c0c0c;
  --bg-secondary: #141414;
  --bg-tertiary: #1c1c1c;
  --bg-elevated: rgba(92, 35, 217, 0.03);
  --bg-glass: rgba(92, 35, 217, 0.06);
  --bg-glass-strong: rgba(92, 35, 217, 0.1);

  /* Accent Colors - Vibrant Purple */
  --accent-primary: #5C23D9;
  --accent-secondary: #7C4DFF;
  --accent-tertiary: #9D7BFF;
  --accent-warm: #5321BF;

  /* Alternative accent for highlights */
  --accent-blue: #411F8C;
  --accent-cyan: #7C4DFF;

  /* Gradient Definitions */
  --gradient-primary: linear-gradient(135deg, #5C23D9 0%, #7C4DFF 50%, #9D7BFF 100%);
  --gradient-secondary: linear-gradient(135deg, #5C23D9 0%, #411F8C 100%);
  --gradient-accent: linear-gradient(135deg, #5321BF 0%, #7C4DFF 100%);
  --gradient-radial: radial-gradient(ellipse at center, rgba(92, 35, 217, 0.15) 0%, transparent 70%);
  --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-tertiary: rgba(255, 255, 255, 0.55);
  --text-muted: rgba(255, 255, 255, 0.35);

  /* Border Colors */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-accent: rgba(92, 35, 217, 0.4);

  /* Glow Effects */
  --glow-primary: 0 0 40px rgba(92, 35, 217, 0.3);
  --glow-strong: 0 0 60px rgba(92, 35, 217, 0.5);
  --glow-text: 0 0 80px rgba(92, 35, 217, 0.6);
  --glow-warm: 0 0 40px rgba(83, 33, 191, 0.4);

  /* === Typography === */

  /* Font Families */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5.5rem);
  --text-6xl: clamp(4rem, 2.5rem + 7.5vw, 8rem);

  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* === Spacing === */
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */
  --space-20: 5rem;
  /* 80px */
  --space-24: 6rem;
  /* 96px */
  --space-32: 8rem;
  /* 128px */
  --space-40: 10rem;
  /* 160px */

  /* === Layout === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* === Effects === */

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-3xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.7);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.8);

  /* Transitions */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 800ms;

  /* Z-Index Scale */
  --z-behind: -1;
  --z-base: 0;
  --z-above: 10;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-overlay: 1000;
  --z-modal: 1500;
  --z-cursor: 9999;
}