@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-cyrillic-wght-normal.woff2") format("woff2");
  unicode-range: U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}
:root {
  color-scheme: light;
  --paper: #f7faf8;
  --ink: #20392f;
  --secondary: #4d6358;
  --green: #244c3c;
  --tint: #e4eee8;
  --line: #c8d6ce;
  font-family: Inter, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.65; }
a { color: var(--green); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; border-radius: 3px; }
::selection { background: #c2dfcf; color: #142d22; }
.skip { position: absolute; top: -90px; left: 16px; z-index: 2; padding: 12px; background: white; }
.skip:focus { top: 8px; }
.site-header, main, .site-footer { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 22px; text-decoration: none; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.site-header nav a { font-size: 14px; padding-block: 10px; text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current] { text-decoration: underline; text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.16; text-wrap: balance; }
h1 { margin: 0 0 28px; font-size: clamp(36px, 4.7vw, 68px); letter-spacing: -.035em; font-weight: 650; }
h2 { font-size: 30px; letter-spacing: -.02em; margin: 56px 0 20px; font-weight: 650; }
h3 { font-size: 20px; margin: 32px 0 10px; font-weight: 650; }
p { margin: 0 0 18px; }
.lead { font-size: 20px; line-height: 1.6; color: var(--secondary); max-width: 60ch; }
.opening { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 64px; align-items: center; padding: 88px 0 80px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 32px; }
.button { display: inline-block; background: var(--green); color: white; padding: 13px 22px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.button:hover { background: #173b2b; }
.text-link { font-weight: 600; }
.structure { padding: 32px; background: var(--tint); border-radius: 16px; }
.structure h2 { margin: 0 0 22px; font-size: 23px; }
.structure p { margin: 28px 0 0; color: var(--secondary); font-size: 14px; }
.hierarchy, .hierarchy ul { list-style: none; margin: 0; padding: 0; }
.hierarchy li { font-weight: 550; }
.hierarchy ul { border-left: 1px solid #839c8e; margin-left: 7px; margin-top: 12px; padding-left: 16px; }
.hierarchy ul ul { margin-top: 12px; }
.section { border-top: 1px solid var(--line); padding-block: 60px; }
.section > h2 { margin-top: 0; }
.two-columns { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.prose { max-width: 72ch; }
.prose > h3:first-child { margin-top: 0; }
.document-index a { display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px; padding-block: 22px; border-bottom: 1px solid var(--line); text-decoration: none; }
.document-index span { color: var(--secondary); }
.document-index a:hover strong { text-decoration: underline; }
.document-heading { padding: 72px 0 42px; border-bottom: 1px solid var(--line); }
.document-heading h1 { max-width: 19ch; font-size: clamp(34px, 4.2vw, 56px); overflow-wrap: anywhere; }
.document { margin: 40px 0 96px auto; }
.document > h2:first-child { margin-top: 0; }
.document h2 { scroll-margin-top: 24px; }
.document li { margin-block: 12px; padding-left: 4px; }
.document ol, .document ul { padding-left: 24px; }
.contents { display: flex; gap: 12px 24px; flex-wrap: wrap; margin-bottom: 48px; }
.specifications { margin: 0; }
.specifications dt { border-top: 1px solid var(--line); padding-top: 18px; font-weight: 600; }
.specifications dd { margin: 6px 0 20px; color: var(--secondary); }
code { font: .9em/1.65 "Consolas", monospace; overflow-wrap: anywhere; }
pre { background: var(--tint); padding: 20px; border-radius: 8px; overflow-x: auto; }
pre code { overflow-wrap: normal; }
.notice { background: var(--tint); padding: 20px; border-radius: 8px; }
.site-footer { display: flex; justify-content: space-between; gap: 32px; padding: 36px 0 48px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 14px; }
.site-footer p { margin: 8px 0 0; }
.site-footer > div:last-child { display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 850px) {
  .site-header, main, .site-footer { width: calc(100% - 40px); }
  .site-header { flex-wrap: wrap; gap: 14px; padding-block: 20px; }
  .site-header nav { gap: 8px 20px; }
  .opening { gap: 32px; padding-block: 48px; grid-template-columns: 1fr; }
  .lead { font-size: 18px; }
  .structure { max-width: 540px; }
  .two-columns { grid-template-columns: 1fr; gap: 20px; }
  .section { padding-block: 40px; }
  .document { margin-left: 0; }
  .document-heading { padding-top: 48px; }
  .document-index a { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 480px) {
  .site-footer { flex-direction: column; }
  .site-header nav { gap: 4px 16px; }
  .site-header nav a { font-size: 13px; }
  .structure { padding: 24px 20px; }
  .hierarchy ul { padding-left: 10px; }
}
@media print {
  :root { background: white; color: black; }
  .site-header nav, .skip, .actions, .site-footer, .contents { display: none; }
  .site-header, main { width: 100%; }
  .document { margin: 24px 0; max-width: none; }
  .document-heading { padding: 24px 0; }
  h2, h3 { break-after: avoid; }
  pre, .notice { border: 1px solid #777; }
}