/* tokens.css - Allied Publishing "The Reading Room"
   Verbatim from DESIGN_SYSTEM.md §6 (contrast-verified). Motion tokens appended.
   Values own: DESIGN_SYSTEM.md. Do not introduce off-system values. */

:root {
  /* color */
  --ink-900:#14110E; --ink-800:#1E1A16; --ink-700:#26211B;
  --binding:#35302A; --deckle:#B9AE9E; --page:#F4EFE6; --page-pure:#FBF8F2;
  --gilt:#C9A24B; --gilt-bright:#DDB863; --gilt-deep:#9C7A31; --bookcloth:#8A3B2E;

  /* fonts - distinctive publisher pairing (Caslon book face + Hanken grotesque) */
  --font-display:"Libre Caslon Display",Georgia,"Times New Roman",serif;
  --font-ui:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-read:"Libre Caslon Text",Georgia,"Times New Roman",serif;

  /* type scale */
  --t-eyebrow:.78rem; --t-caption:.8rem; --t-body-sm:.9rem; --t-body:1rem;
  --t-lede:clamp(1.15rem,1rem + .6vw,1.4rem);
  --t-subheading:clamp(1.25rem,1.1rem + .7vw,1.6rem);
  --t-heading:clamp(1.6rem,1.3rem + 1.4vw,2.4rem);
  --t-heading-lg:clamp(2.1rem,1.6rem + 2.4vw,3.4rem);
  --t-display:clamp(2.8rem,2rem + 4.2vw,5.2rem);

  /* spacing */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-6:24px; --sp-8:32px;
  --sp-12:48px; --sp-16:64px; --sp-20:80px; --sp-28:112px; --sp-36:144px;
  --section-y:clamp(64px,5vw + 40px,144px);

  /* radius / shadow / layout */
  --radius-card:6px; --radius-pill:999px;
  --shadow-cover:0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-cover-hover:0 18px 40px -14px rgba(0,0,0,.8);
  --shadow-raised:0 12px 32px -16px rgba(0,0,0,.6);
  --maxw:1200px; --maxw-prose:68ch; --gutter:clamp(20px,5vw,64px);

  /* motion (PAGE_ARCHITECTURE §5) */
  --ap-ease:cubic-bezier(.2,.7,.2,1);
  --ap-ease-out:cubic-bezier(.16,1,.3,1);
  --ap-dur:180ms;
  --ap-reveal-dur:720ms;

  /* book cloth - typographic cover treatments (warm, on-palette bindings) */
  --cloth-ink:#241f18; --cloth-oxblood:#7c3529; --cloth-tobacco:#3a2e1a; --cloth-brass:#4a3a1e;
  --radius-bento:18px;

  color-scheme: dark;
}