/* Shared doc-page styles — Эко Терм */
:root {
  --ink: #0a0908;
  --cream: #f3eee3;
  --mute: rgba(243,238,227,.62);
  --mute-2: rgba(243,238,227,.45);
  --hot: #e69538;
  --hairline: rgba(243,238,227,.10);
  --surface: rgba(243,238,227,.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink); color: var(--cream);
  font-family: 'Onest', 'Gilroy', system-ui, -apple-system, Arial, sans-serif;
  font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--hot); text-decoration: none; }
a:hover { text-decoration: underline; }

.doc-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10,9,8,.92);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.doc-header__bar {
  max-width: 880px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 32px;
}
.doc-header__brand { display: inline-flex; }
.doc-header__brand img { height: 44px; width: auto; display: block; }
.doc-header__back {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--mute); font-size: 13px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 10px 18px; border-radius: 10px;
  border: 1px solid var(--hairline);
  transition: color .15s, border-color .15s, background .15s;
}
.doc-header__back:hover {
  color: var(--cream); border-color: rgba(243,238,227,.28);
  background: var(--surface); text-decoration: none;
}

.doc-main {
  max-width: 880px; margin: 0 auto;
  padding: 64px 32px 96px;
}
.doc-eyebrow {
  display: inline-block; margin: 0 0 16px;
  font-size: 12px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--hot);
}
.doc-h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; letter-spacing: -.02em;
  line-height: 1.1; margin: 0 0 12px;
  color: var(--cream);
}
.doc-version {
  color: var(--mute); font-size: 14px; margin: 0 0 40px;
}
.doc-h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700; letter-spacing: -.01em;
  margin: 48px 0 16px; color: var(--cream);
}
.doc-p { margin: 0 0 16px; color: rgba(243,238,227,.82); }
.doc-list { margin: 0 0 20px; padding-left: 22px; color: rgba(243,238,227,.82); }
.doc-list li { margin-bottom: 8px; }
.doc-list li strong { color: var(--cream); font-weight: 700; }

.doc-foot {
  border-top: 1px solid var(--hairline);
  padding: 28px 32px;
  max-width: 880px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 28px;
  font-size: 13px; color: var(--mute);
}
.doc-foot a { color: var(--mute); }
.doc-foot a:hover { color: var(--cream); }

@media (max-width: 640px) {
  .doc-header__bar { padding: 12px 18px; }
  .doc-header__brand img { height: 38px; }
  .doc-header__back { padding: 8px 14px; font-size: 12px; }
  .doc-main { padding: 40px 18px 64px; }
  .doc-foot { padding: 24px 18px; }
}