:root {
  --bg: #fbfaf8; --fg: #1c1b19; --muted: #6b6862;
  --rule: #e4e1db; --accent: #2f5d50; --card: #f2efe9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a; --fg: #e8e6e3; --muted: #9a968f;
    --rule: #2e3033; --accent: #7fb3a2; --card: #202225;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 40rem; margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 .35rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 2.2rem 0 .5rem; letter-spacing: -.005em; }
p, li { color: var(--fg); }
ul { padding-left: 1.15rem; }
li { margin: .3rem 0; }
a { color: var(--accent); }
.updated { color: var(--muted); font-size: .875rem; margin: 0 0 1.75rem; }
.lead {
  background: var(--card); border-left: 3px solid var(--accent);
  padding: .9rem 1.1rem; border-radius: 0 6px 6px 0; margin: 0 0 1.5rem;
}
.lead p { margin: 0; }
.langbar {
  display: flex; gap: .5rem; border-bottom: 1px solid var(--rule);
  padding-bottom: 1.25rem; margin-bottom: 1.75rem;
}
.langbar a, .langbar button {
  font: inherit; font-size: .875rem; padding: .3rem .75rem;
  border: 1px solid var(--rule); border-radius: 999px;
  background: transparent; color: var(--muted); cursor: pointer; text-decoration: none;
}
.langbar [aria-current="true"] {
  background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 500;
}
footer {
  margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid var(--rule);
  color: var(--muted); font-size: .85rem;
}