:root {
  /* Brand Colors */
  --color-navy:        #1a2744;
  --color-navy-light:  #243260;
  --color-silver:      #8a9bb0;
  --color-silver-light:#c8d4e0;
  --color-silver-pale: #f0f4f8;
  --color-trust-blue:  #2d6cba;
  --color-trust-hover: #1f4f8a;
  --color-gold:        #c9a84c;
  --color-gold-light:  #e8c97a;
  --color-white:       #ffffff;
  --color-off-white:   #fafbfc;
  --color-text-dark:   #1a1a2e;
  --color-text-mid:    #3d4b6b;
  --color-text-muted:  #6b7a99;
  --color-border:      #dde3ec;
  --color-success:     #2e7d52;
  --color-error:       #c0392b;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Source Sans 3', 'Segoe UI', Arial, sans-serif;
  --font-size-xs:  0.75rem;
  --font-size-sm:  0.875rem;
  --font-size-base:1rem;
  --font-size-md:  1.125rem;
  --font-size-lg:  1.25rem;
  --font-size-xl:  1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 3.75rem;
  --line-height-tight: 1.2;
  --line-height-snug:  1.4;
  --line-height-base:  1.65;
  --line-height-loose: 1.8;

  /* Spacing */
  --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;
  --space-32: 8rem;

  /* Layout */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1280px;
  --container-2xl: 1440px;

  /* Borders */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(26,39,68,0.08), 0 1px 2px rgba(26,39,68,0.04);
  --shadow-md:  0 4px 16px rgba(26,39,68,0.10), 0 2px 6px rgba(26,39,68,0.06);
  --shadow-lg:  0 12px 40px rgba(26,39,68,0.14), 0 4px 12px rgba(26,39,68,0.08);
  --shadow-xl:  0 24px 64px rgba(26,39,68,0.18);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Z-index */
  --z-base:    1;
  --z-dropdown:10;
  --z-sticky:  100;
  --z-modal:   1000;
  --z-toast:   2000;
}