:root {
  --accent: #99334F;
  --deep: #6E1F37;
  --soft: #F2DCE4;
  --bg: #FBF3F6;
  --card: #FFFFFF;
  --text: #2A1A20;
  --muted: #6F5A62;
  --line: #EAD5DD;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #D0708E;
    --deep: #8C3A56;
    --soft: #3A2530;
    --bg: #1E1216;
    --card: #2A1B21;
    --text: #F5EAEE;
    --muted: #C3AAB3;
    --line: #3F2A33;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
header.site {
  max-width: 820px; margin: 0 auto; padding: 20px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 19px; }
.brand .mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--deep));
  display: grid; place-items: center; color: #fff; font-size: 18px;
}
nav a { margin-left: 16px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
main { max-width: 820px; margin: 0 auto; padding: 8px 16px 48px; }
.hero {
  background: linear-gradient(135deg, var(--accent), var(--deep));
  color: #fff; border-radius: 24px; padding: 40px 28px; margin: 8px 0 28px;
}
.hero h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 12px; }
.hero p { font-size: 19px; margin: 0; opacity: .92; max-width: 560px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 0 0 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .icon { font-size: 26px; margin-bottom: 8px; }
h1.page { font-size: clamp(28px, 5vw, 38px); margin: 8px 0 4px; }
.updated { color: var(--muted); margin: 0 0 24px; font-size: 15px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 20px 0 4px; }
.doc { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 8px 24px 24px; }
.callout { background: var(--soft); border-radius: 16px; padding: 16px 18px; margin: 16px 0; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p, details ul { color: var(--muted); }
.button {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: 12px 20px; border-radius: 999px; font-weight: 600;
}
footer.site { max-width: 820px; margin: 0 auto; padding: 24px 16px 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer.site a { color: var(--muted); margin-right: 14px; }
@media (max-width: 520px) {
  nav a { margin-left: 12px; font-size: 14px; }
  .hero { padding: 30px 20px; }
  .doc { padding: 4px 16px 18px; }
}