/* Hallmark · Quiet Listening Desk
 * Palette: paper (2) · ink (3) · ochre accent (3) · focus
 * One warm hue family + one cool ink family — no parallel creams
 */

:root {
  /* —— Surfaces —— */
  --color-white: oklch(0.99 0.005 85);
  --color-paper: oklch(0.978 0.01 82);
  --color-paper-deep: oklch(0.955 0.014 80);

  /* —— Ink (cool navy text scale) —— */
  --color-ink: oklch(0.26 0.012 255);
  --color-ink-soft: oklch(0.38 0.01 255);
  --color-muted: oklch(0.5 0.008 255);
  --color-ink-brand: oklch(0.29 0.09 255);

  /* —— Structure —— */
  --color-rule: oklch(0.84 0.018 80);

  /* —— Accent (poster ochre) —— */
  --color-accent: oklch(0.68 0.13 72);
  --color-accent-deep: oklch(0.52 0.13 62);
  --color-accent-soft: oklch(0.72 0.1 72 / 0.07);

  --color-focus: oklch(0.45 0.1 255);

  /* —— Aliases (compat; map to the six roles above) —— */
  --color-body: var(--color-ink);
  --color-surface: var(--color-white);

  /* Typography (Unified 3-Font System: Inter + Noto Serif TC + Noto Sans TC) */
  --font-display: "Inter", "Noto Serif TC", "Source Han Serif TC", "Songti TC", serif;
  --font-body: "Inter", "Noto Sans TC", "Source Han Sans TC", "PingFang TC", sans-serif;
  --font-mono: "Inter", ui-monospace, monospace;

  --text-display: clamp(2.25rem, 5.5vw, 3.75rem);
  --text-headline: clamp(1.5rem, 3vw, 2rem);
  --text-title: clamp(1.125rem, 2vw, 1.35rem);
  --text-body: 1.0625rem;
  --text-label: 0.8125rem;
  --leading-display: 1.15;
  --leading-body: 1.7;
  --measure: 65ch;

  /* Space — 4pt scale */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  --radius-sm: 2px;
  --radius-md: 4px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 150ms;
  --dur-med: 280ms;
  --dur-enter: 780ms;

  --rule: 1px solid var(--color-rule);
  --rule-dashed: 2px dashed color-mix(in oklch, var(--color-ink) 40%, transparent);
  --page-pad: clamp(1.25rem, 4vw, 3rem);
  --section-pad-v: clamp(3.5rem, 7vw, 6.5rem);
  --content-max: 72rem;
  --shadow-card: 0 4px 16px -4px color-mix(in oklch, var(--color-ink) 12%, transparent);
}