:root {
  --bg: #fbfaf7;
  --fg: #1f2328;
  --muted: #5c6370;
  --accent: #1f6f5c;
  --card: #ffffff;
  --line: #e4e1da;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --fg: #e8e6e1;
    --muted: #a3a8b0;
    --accent: #5cc3a6;
    --card: #1e2126;
    --line: #2e3238;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 40rem; margin: 0 auto; padding: 3rem 1rem 4rem; }
header { margin-bottom: 2.5rem; }
.logo { font-weight: 700; font-size: 1.1rem; color: var(--accent); letter-spacing: .01em; }
h1 { font-size: 2rem; line-height: 1.2; margin: .75rem 0 1rem; }
h2 { font-size: 1.2rem; margin: 2.5rem 0 .75rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
a { color: var(--accent); }
.cta {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.25rem .5rem;
  margin: 2rem 0;
}
.cta a.mail { font-size: 1.3rem; font-weight: 600; text-decoration: none; word-break: break-all; }
ol, ul { padding-left: 1.25rem; margin: 0 0 1rem; }
li { margin-bottom: .5rem; }
code {
  font: .95em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 .3em;
}
footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}
.top { display: flex; justify-content: space-between; align-items: baseline; }
.lang { font-size: .95rem; text-decoration: none; }