/*
  Design tokens — mapped 1:1 from DESIGN.md front matter.
  Do not introduce new colors/fonts/spacing values here; extend DESIGN.md first.
*/
:root {
  /* Color */
  --color-surface: #f9f9f9;
  --color-surface-dim: #dadada;
  --color-surface-bright: #f9f9f9;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f3f3f4;
  --color-surface-container: #eeeeee;
  --color-surface-container-high: #e8e8e8;
  --color-surface-container-highest: #e2e2e2;
  --color-on-surface: #1a1c1c;
  --color-on-surface-variant: #43474f;
  --color-inverse-surface: #2f3131;
  --color-inverse-on-surface: #f0f1f1;
  --color-outline: #747781;
  --color-outline-variant: #c4c6d1;
  --color-primary: #00193c;
  --color-on-primary: #ffffff;
  --color-primary-container: #002d62;
  --color-on-primary-container: #7796d1;
  --color-secondary: #785a00;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #fdd26e;
  --color-on-secondary-container: #765900;
  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #93000a;
  --color-background: #f9f9f9;
  --color-on-background: #1a1c1c;

  /* Prose-defined accents */
  --color-border-hairline: #f5f5f5;
  --color-gold-accent: #b38e31;
  --color-gold-muted: #fdd26e;

  /* Typography */
  --font-heading: 'Cairo', system-ui, sans-serif;
  --font-body: 'Tajawal', system-ui, sans-serif;

  --fs-h1: 3rem;
  --fs-h1-mobile: 2rem;
  --fs-h2: 2.25rem;
  --fs-h2-mobile: 1.75rem;
  --fs-h3: 1.5rem;
  --fs-body-lg: 1.125rem;
  --lh-body-lg: 1.8;
  --fs-body-sm: 0.875rem;
  --lh-body-sm: 1.6;
  --fs-label-md: 1rem;
  --fw-label-md: 600;
  --fw-heading: 700;
  --lh-h1: 1.2;
  --lh-h2: 1.3;
  --lh-h3: 1.4;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --radius-button: 8px;
  --radius-card: 12px;

  /* Spacing — 4px baseline, 8px rhythm */
  --space-unit: 4px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --gutter: 24px;
  --margin-mobile: 16px;
  --margin-desktop: 64px;
  --max-width: 1280px;

  /* Elevation */
  --shadow-card: 0 8px 32px rgba(0, 25, 60, 0.04);
  --shadow-card-hover: 0 16px 48px rgba(0, 25, 60, 0.07);
  --border-hairline: 1px solid var(--color-border-hairline);
}