:root {
    --room: #0f2a24;
    --room-deep: #081b17;
    --paper: #fffdf8;
    --paper-soft: #f5f0e6;
    --ink: #17211d;
    --ink-soft: #66716a;
    --tomato: #c4362f;
    --cobalt: #1f5d7a;
    --brass: #c89d3f;
    --line: #d9d0bf;
    --wash: #f9f4ea;
    --shadow: 0 24px 70px rgba(4, 18, 15, 0.28);
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --room: #071815;
      --room-deep: #04100e;
      --paper: #171d1a;
      --paper-soft: #202823;
      --ink: #f4efe5;
      --ink-soft: #b8b0a2;
      --tomato: #f26b5e;
      --cobalt: #7ab8d6;
      --brass: #d7b768;
      --line: #39433d;
      --wash: #212a25;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
    }
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    min-height: 100vh;
    background:
      radial-gradient(circle at 18% 0%, rgba(200, 157, 63, 0.24), transparent 35%),
      var(--room);
    color: var(--ink);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding: 28px 16px 40px;
  }
  a { color: inherit; }
  .sheet {
    width: min(100%, 760px);
    margin: 0 auto;
    background: var(--paper);
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .doc-head {
    padding: clamp(32px, 5.5vw, 60px) clamp(22px, 5vw, 56px) clamp(20px, 3vw, 32px);
    border-bottom: 1px solid var(--line);
    background:
      linear-gradient(135deg, rgba(15, 42, 36, 0.06), transparent 45%),
      var(--paper);
  }
  .eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--tomato);
  }
  .doc-head h1 {
    margin-top: 12px;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1;
  }
  .updated {
    margin-top: 14px;
    color: var(--ink-soft);
    font-size: 0.86rem;
  }
  .doc-body {
    padding: clamp(24px, 4.5vw, 48px) clamp(22px, 5vw, 56px) clamp(30px, 5vw, 52px);
  }
  .doc-body h2 {
    margin-top: 34px;
    font-family: "Fraunces", Georgia, serif;
    font-size: clamp(1.3rem, 2.6vw, 1.7rem);
    font-weight: 700;
    line-height: 1.1;
  }
  .doc-body h2:first-child { margin-top: 0; }
  .doc-body p { margin-top: 12px; color: var(--ink); }
  .doc-body ul { margin: 12px 0 0 1.1rem; }
  .doc-body li { margin-top: 8px; }
  .doc-body a { color: var(--cobalt); text-decoration: underline; text-underline-offset: 3px; }
  .note {
    margin-top: 28px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--wash);
    color: var(--ink-soft);
    font-size: 0.9rem;
  }
  footer {
    padding: 26px clamp(22px, 5vw, 56px) 34px;
    border-top: 1px solid var(--line);
    background: var(--paper);
  }
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    color: var(--ink-soft);
    font-size: 0.9rem;
  }
  .footer-links a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--line);
    text-underline-offset: 4px;
    transition: color 150ms ease-out, text-decoration-color 150ms ease-out;
  }
  .footer-links a:focus-visible {
    outline: 3px solid var(--brass);
    outline-offset: 3px;
  }
  @media (hover: hover) {
    .footer-links a:hover { color: var(--tomato); text-decoration-color: var(--tomato); }
  }