:root {
  --bg: #f6f1ea;
  --ink: #1f1a17;
  --muted: #6b625b;
  --line: #e2d8cc;
  --card: #fffaf4;
  --accent: #b23a2e;
  --mark: #fff0b8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15110f;
    --ink: #efe6dc;
    --muted: #a99d92;
    --line: #2e2723;
    --card: #1d1815;
    --accent: #e0705f;
    --mark: #4a3d12;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 48px 16px 80px; }
a { color: var(--accent); text-underline-offset: 2px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 44px 0 10px; padding-top: 20px; border-top: 1px solid var(--line); }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.lede { color: var(--muted); margin-bottom: 28px; }
.brand { font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 13px; color: var(--muted); text-decoration: none; }
.summary { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; margin: 24px 0 8px; }
.summary h2 { border: 0; margin: 0 0 10px; padding: 0; font-size: 18px; }
.summary ul { margin: 0; }
.data { display: grid; gap: 12px; margin: 14px 0; }
.data section { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.data h3 { margin: 0 0 8px; }
.data dl { display: grid; grid-template-columns: 7.5em 1fr; gap: 4px 14px; margin: 0; font-size: 15px; }
.data dt { color: var(--muted); }
.data dd { margin: 0; }
mark { background: var(--mark); color: inherit; padding: 0 3px; border-radius: 3px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 480px) {
  main { padding-top: 32px; }
  .data dl { grid-template-columns: 1fr; gap: 0; }
  .data dt { margin-top: 6px; }
}