/**
 * Atlas Tours - CSS Variables
 * Theme colors, typography, spacing, and transitions
 */

:root {
  /* ============================================
   * Color Palette
   * ============================================ */

  /* Orange (Primary - AlUla theme) */
  --color-orange-50: #fff7ed;
  --color-orange-100: #ffedd5;
  --color-orange-200: #fed7aa;
  --color-orange-300: #fdba74;
  --color-orange-400: #fb923c;
  --color-orange-500: #f97316;
  --color-orange-600: #ea580c;
  --color-orange-700: #c2410c;

  /* Cyan (Jeddah/Red Sea theme) */
  --color-cyan-100: #cffafe;
  --color-cyan-200: #a5f3fc;
  --color-cyan-300: #67e8f9;
  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;
  --color-cyan-600: #0891b2;

  /* Amber (Riyadh theme) */
  --color-amber-100: #fef3c7;
  --color-amber-200: #fde68a;
  --color-amber-300: #fcd34d;
  --color-amber-400: #fbbf24;
  --color-amber-500: #f59e0b;
  --color-amber-600: #d97706;

  /* Neutrals */
  --color-white: #ffffff;
  --color-stone-50: #fafaf9;
  --color-stone-100: #f5f5f4;
  --color-stone-200: #e7e5e4;
  --color-stone-800: #292524;
  --color-stone-900: #1c1917;
  --color-black: #000000;

  /* ============================================
   * Typography
   * ============================================ */

  /* Font Families */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Cinzel', Georgia, 'Times New Roman', serif;

  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-6xl: 3.75rem;    /* 60px */
  --text-8xl: 6rem;       /* 96px */
  --text-9xl: 8rem;       /* 128px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

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

  /* ============================================
   * Spacing
   * ============================================ */
  --space-0: 0;
  --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 */

  /* ============================================
   * Border Radius
   * ============================================ */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* ============================================
   * Shadows
   * ============================================ */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* ============================================
   * Transitions
   * ============================================ */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-colors: color 150ms ease, background-color 150ms ease, border-color 150ms ease;

  /* ============================================
   * Z-Index Scale
   * ============================================ */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;

  /* ============================================
   * Gradients (Theme-specific progress bars)
   * ============================================ */
  --gradient-orange: linear-gradient(90deg, #f97316, #fb923c, #fbbf24, #fb923c, #f97316);
  --gradient-cyan: linear-gradient(90deg, #0891b2, #22d3ee, #67e8f9, #22d3ee, #0891b2);
  --gradient-amber: linear-gradient(90deg, #d97706, #fbbf24, #fde68a, #fbbf24, #d97706);
}