:root {
  /* Typography */
  --us-font-ui: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --us-font-urdu: "Noto Nastaliq Urdu", "Noto Naskh Arabic", serif;
  --us-weight-regular: 400;
  --us-weight-medium: 500;
  --us-weight-semibold: 600;
  --us-weight-bold: 700;
  --us-text-xs: 0.75rem;
  --us-text-sm: 0.875rem;
  --us-text-base: 1rem;
  --us-text-lg: 1.125rem;
  --us-text-xl: 1.375rem;
  --us-text-2xl: clamp(1.65rem, 2.5vw, 2.15rem);
  --us-text-display: clamp(2rem, 4.4vw, 3.45rem);

  /* Brand — Direction A, "Warm heritage": emerald + gold */
  --us-color-ink: #17221c;
  --us-color-ink-soft: #33453b;
  --us-color-muted: #6b6558;
  --us-color-subtle: #87938c;
  --us-color-page: #f7f4ec;
  --us-color-surface: #ffffff;
  --us-color-surface-soft: #f8faf9;
  --us-color-border: #e4dfd0;

  --us-color-emerald: #0e3b2a;
  --us-color-emerald-deep: #0a2e20;
  --us-color-gold: #d9af52;
  --us-color-gold-soft: #f6efdd;
  --us-color-danger: #a93636;
  --us-color-focus: #0b6fc2;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --us-color-ink: #efe9d8;
    --us-color-ink-soft: #cfc8b3;
    --us-color-muted: #a39c89;
    --us-color-subtle: #7d766a;
    --us-color-page: #15140f;
    --us-color-surface: #1c1b14;
    --us-color-surface-soft: #201f17;
    --us-color-border: #2b2a22;
  }
}

:root[data-theme="dark"] {
  --us-color-ink: #efe9d8;
  --us-color-ink-soft: #cfc8b3;
  --us-color-muted: #a39c89;
  --us-color-subtle: #7d766a;
  --us-color-page: #15140f;
  --us-color-surface: #1c1b14;
  --us-color-surface-soft: #201f17;
  --us-color-border: #2b2a22;
}