/*
 * Design tokens — source of truth is /root/vantyre-rebuild/docs/06-视觉规范.md
 * Do not introduce new colors outside this file. See AGENT-RULES.md.
 */

@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/bricolage.woff2') format('woff2');
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 350 700;
  font-display: swap;
  src: url('../fonts/archivo.woff2') format('woff2');
}

:root {
  --paper: #FFFFFF;
  --paper-raised: #F5F5F2;
  --paper-line: #EBEAE5;
  --ink: #201F1D;
  --ink-soft: #63615B;
  --ink-faint: #767268; /* 4.80:1 on --paper — WCAG AA for normal text (was #9C9A92 at 2.82:1, failed) */
  --accent: #7D8085;
  --accent-soft: #B7B9BC;
  --accent-strong: #46484B;
  --line: rgba(32, 31, 29, 0.12);
  --line-soft: rgba(32, 31, 29, 0.07);
  --shadow: 0 30px 60px -34px rgba(32, 31, 29, 0.25);

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body: 'Archivo', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #2A2926;
    --paper-raised: #332F2B;
    --paper-line: #3B3733;
    --ink: #F2F1ED;
    --ink-soft: #C4C1B8;
    --ink-faint: #A29C8F; /* 5.33:1 on dark --paper — was 4.39:1, just under threshold */
    --accent: #C6C9CC;
    --accent-soft: #D9DBDD;
    --accent-strong: #A6AAAE;
    --line: rgba(242, 241, 237, 0.14);
    --line-soft: rgba(242, 241, 237, 0.08);
    --shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --paper: #2A2926;
  --paper-raised: #332F2B;
  --paper-line: #3B3733;
  --ink: #F2F1ED;
  --ink-soft: #C4C1B8;
  --ink-faint: #918D82;
  --accent: #C6C9CC;
  --accent-soft: #D9DBDD;
  --accent-strong: #A6AAAE;
  --line: rgba(242, 241, 237, 0.14);
  --line-soft: rgba(242, 241, 237, 0.08);
  --shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.vt-display {
  font-family: var(--font-display);
  font-weight: 620;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}