/* ============================================
   CSS VARIABLES - Single Source of Truth
   Change values here to update entire site design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Prompt:wght@200;300;400;500;600;700&display=swap');

:root {
  /* Colors - Cyber Obsidian & Glass Theme */
  --color-bg: #06080a;               /* Main background */
  --color-bg-alt: #0b0f13;           /* Section alternate background */
  --color-surface: rgba(15, 20, 26, 0.65); /* Glass panel surface */
  --color-surface-hover: rgba(22, 28, 36, 0.85); /* Hover surface */
  --color-border: rgba(255, 255, 255, 0.08); /* Fine divider borders */
  --color-border-glow: rgba(0, 240, 255, 0.35); /* Glow border */
  
  /* Accent Colors */
  --color-accent-cyan: #00f0ff;      /* Primary cyber highlight */
  --color-accent-pink: #ff3366;      /* Secondary coral pink highlight */
  --color-accent-purple: #bd00ff;    /* Deep action highlight */
  --color-accent-green: #00ff66;     /* Success / Online indicator */
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-accent-cyan) 0%, #0072ff 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-accent-purple) 100%);
  --gradient-dark: linear-gradient(180deg, #101419 0%, #06080a 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  
  /* Text Colors */
  --text-primary: #f0f6fc;           /* High contrast readable text */
  --text-secondary: #8b949e;         /* Muted description text */
  --text-muted: #5e666e;             /* Disabled / subtle text */
  --text-on-accent: #000000;         /* Text on bright buttons */
  --text-glow: 0 0 10px rgba(0, 240, 255, 0.5);
  
  /* Spacing - Based on 1rem (16px) */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2rem;      /* 32px */
  --spacing-xl: 3rem;      /* 48px */
  --spacing-2xl: 4rem;     /* 64px */
  
  /* Typography */
  --font-family-heading: 'Outfit', 'Prompt', -apple-system, sans-serif;
  --font-family-base: 'Prompt', -apple-system, sans-serif;
  
  --font-size-base: 1rem;        /* 16px */
  --font-size-sm: 0.875rem;      /* 14px */
  --font-size-lg: 1.125rem;      /* 18px */
  --font-size-xl: 1.375rem;      /* 22px */
  --font-size-2xl: 1.75rem;      /* 28px */
  --font-size-3xl: 2.25rem;      /* 36px */
  --font-size-4xl: 3.25rem;      /* 52px */
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  /* Box Shadows & Glows */
  --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.6);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --shadow-glow-cyan: 0 0 15px rgba(0, 240, 255, 0.25);
  --shadow-glow-pink: 0 0 15px rgba(255, 51, 102, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  
  /* Container width */
  --max-width: 1200px;
}