:root {
  --color-bg-page: #f5f1e8;
  --color-bg-subtle: #eee8dc;
  --color-surface: #fbf8f2;
  --color-surface-raised: #ffffff;
  --color-text-primary: #25231f;
  --color-text-secondary: #655f55;
  --color-text-muted: #8a8378;
  --color-border-subtle: #ded6c7;
  --color-border-strong: #c9beaa;
  --color-accent-bronze: #8b6743;
  --color-accent-bronze-hover: #735336;
  --color-accent-umber: #4f3a30;
  --color-accent-umber-hover: #3f2d26;
  --color-accent-umber-soft: #e8ddd3;
  --color-text-inverse: #fffaf2;
  --color-link-editorial: #735336;
  --color-link-editorial-hover: #4f3a30;
  --color-link-underline: #b89b79;
  /* Compatibility aliases for surfaces migrated from the former olive accent. */
  --color-accent-olive: var(--color-accent-umber);
  --color-accent-olive-soft: var(--color-accent-umber-soft);
  --color-success: #536c4f;
  --color-warning: #a67434;
  --color-danger: #994b43;
  --color-citation-bg: #f2eee5;
  --color-citation-border: #c9b99f;
  --color-provenance: #645b4f;
  --color-editorial-olive: #68704f;
  --color-cover-slate: #53606a;
  --color-hero-ink: #1c1914;
  --color-hero-wash: #d9cbb3;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-ui: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.35rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: clamp(2.6rem, 6vw, 4.8rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --shadow-soft: 0 12px 40px rgba(37, 35, 31, 0.08);
  --measure: 68ch;
  --header-h: 4rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --ease-out: linear;
  }
}