:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --fg: #16201c;
  --muted: #5b6763;
  --line: #dfe4e1;
  --accent: #0f7b5f;
  --accent-soft: #e3f2ec;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101513;
    --surface: #171e1b;
    --fg: #e8eeeb;
    --muted: #9aa8a2;
    --line: #26302c;
    --accent: #4cc39c;
    --accent-soft: #15302a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 880px; margin: 0 auto; padding-inline: 20px; }
header { border-bottom: 1px solid var(--line); background: var(--surface); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--fg); text-decoration: none; letter-spacing: 0.01em; }
.mark { width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 17px; }
nav { display: flex; gap: 18px; font-size: 15px; flex-wrap: wrap; }
nav a, a { color: var(--accent); text-decoration: none; }
nav a:hover, a:hover { text-decoration: underline; }
main { padding-block: 48px 56px; }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.2; margin: 0 0 16px; text-wrap: balance; }
h2 { font-size: 22px; margin: 40px 0 12px; text-wrap: balance; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, li { max-width: 68ch; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 8px; }
.en { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.contacts { background: var(--accent-soft); border-radius: 12px; padding: 20px 24px; margin-top: 40px; }
.contacts dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.contacts dt { color: var(--muted); }
.contacts dd { margin: 0; font-variant-numeric: tabular-nums; }
.doc h2 { border-top: 1px solid var(--line); padding-top: 28px; }
.doc .updated { color: var(--muted); font-size: 14px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-block: 24px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }