/* ============================================
   A&D Foods — Design System Tokens
   ============================================ */

:root {
  /* Color Palette — Ocean Premium */
  --color-navy-900:    #0a1628;
  --color-navy-800:    #0f2240;
  --color-navy-700:    #16325f;
  --color-navy-600:    #1e4478;
  --color-navy-500:    #2a5a9a;

  --color-teal-600:    #0f766e;
  --color-teal-500:    #0d9488;
  --color-teal-400:    #14b8a6;
  --color-teal-300:    #5eead4;

  --color-gold-500:    #d4a853;
  --color-gold-400:    #e2be73;
  --color-gold-300:    #f0d99a;

  --color-sand-100:    #faf8f4;
  --color-sand-200:    #f0ece4;
  --color-sand-300:    #e2ddd3;

  --color-gray-900:    #111827;
  --color-gray-700:    #374151;
  --color-gray-500:    #6b7280;
  --color-gray-300:    #d1d5db;
  --color-gray-100:    #f3f4f6;

  --color-white:       #ffffff;
  --color-black:       #000000;

  /* Semantic Colors */
  --color-primary:      var(--color-navy-700);
  --color-primary-dark: var(--color-navy-900);
  --color-accent:       var(--color-teal-500);
  --color-accent-light: var(--color-teal-400);
  --color-accent-subtle:var(--color-teal-300);
  --color-premium:      var(--color-gold-500);
  --color-premium-light:var(--color-gold-400);
  --color-bg:          var(--color-sand-100);
  --color-surface:     var(--color-sand-200);
  --color-border:      var(--color-sand-300);
  --color-text:        var(--color-gray-700);
  --color-text-light:  var(--color-gray-500);
  --color-text-inverse: var(--color-white);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale (1.25 ratio) */
  --text-xs:   0.64rem;
  --text-sm:   0.8rem;
  --text-base: 1rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5625rem;
  --text-2xl:  1.953rem;
  --text-3xl:  2.441rem;
  --text-4xl:  3.052rem;
  --text-5xl:  3.815rem;

  /* Font Weights */
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  /* Line Heights */
  --lh-tight:   1.15;
  --lh-snug:    1.25;
  --lh-normal:  1.5;
  --lh-relaxed: 1.7;

  /* Letter Spacing */
  --ls-tight:   -0.02em;
  --ls-normal:  0;
  --ls-wide:    0.02em;
  --ls-wider:   0.1em;

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1200px;
  --container-max: 1400px;
  --gutter:        var(--space-6);

  /* Borders */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(10, 22, 40, 0.06);
  --shadow-md:  0 4px 12px rgba(10, 22, 40, 0.08);
  --shadow-lg:  0 8px 30px rgba(10, 22, 40, 0.12);
  --shadow-xl:  0 16px 50px rgba(10, 22, 40, 0.16);

  /* Transitions */
  --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);

  /* Animation Durations */
  --duration-instant: 100ms;
  --duration-fast: 250ms;
  --duration-base: 500ms;
  --duration-slow: 800ms;
  --duration-slower: 1200ms;

  /* Animation Easings */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
}