:root {
  --bg: #f3efe6;
  --bg-2: #e7e1d4;
  --ink: #1c1915;
  --muted: #5e584e;
  --line: #d4ccbc;
  --card: #faf7f1;
  --accent: #9a3412;
  --accent-ink: #fff7ed;
  --code: #1c1915;
  --code-fg: #f3efe6;
  --ok: #1f4d3a;
  --shadow: 0 1px 0 rgba(28, 25, 21, 0.04);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", "ui-monospace", "SFMono-Regular", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #7c2d12; }
code { font-family: var(--mono); font-size: 0.92em; }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: var(--bg);
  padding: 6px 10px;
}
.skip:focus { top: 8px; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(243, 239, 230, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.logo { width: 28px; height: 28px; color: var(--accent); }
.site-nav { display: flex; gap: 18px; margin-left: 18px; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.site-nav a:hover { color: var(--accent); }
.lang-switch {
  display: inline-flex;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--card);
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  cursor: pointer;
}
.lang-switch button.is-on { background: var(--ink); color: var(--bg); }
.lang-ru { display: none; }
html[data-lang="ru"] .lang-en { display: none; }
html[data-lang="ru"] .lang-ru { display: inline; }
pre code.lang-en,
html[data-lang="ru"] pre code.lang-ru { display: block; }
.nav-toggle {
  display: none;
  margin-left: 8px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  color: var(--ink);
}

.hero { padding: 64px 0 36px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 4vw, 3.3rem); line-height: 1.08; margin: 0 0 16px; }
h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin: 0 0 12px; }
h3 { font-size: 1.25rem; margin: 0 0 8px; }
.lede { font-size: 1.12rem; color: var(--muted); margin: 0 0 16px; }
.hero-points { margin: 0; padding-left: 18px; color: var(--ink); }
.hero-points li { margin: 6px 0; }

.install-card, .term, .yaml {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.install-card { padding: 14px; }
.tabs { display: flex; gap: 6px; }
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.92rem;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.tab.is-on { background: var(--ink); color: var(--bg); }
.tab-panel, .term-body { display: none; }
.tab-panel.is-on, .term-body.is-on { display: block; }
.install-card pre, .term pre, .yaml {
  margin: 10px 0 0;
  padding: 14px 16px;
  background: var(--code);
  color: var(--code-fg);
  border-radius: 10px;
  overflow: auto;
}
.install-card pre { margin-top: 12px; }
.install-card code, .term code, .yaml code { font-size: 0.86rem; line-height: 1.45; }
.copy {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 999px;
  padding: 5px 12px;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.copy.is-done { border-color: var(--ok); color: var(--ok); }
.fine { color: var(--muted); font-size: 0.86rem; margin: 10px 4px 4px; }

.band { background: linear-gradient(180deg, rgba(255,255,255,0.35), transparent 80px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section { padding: 56px 0; }
.section-lead { color: var(--muted); max-width: 62ch; margin-top: 0; }
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cards article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 18px 8px;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  border-top: 2px solid var(--accent);
  padding-top: 12px;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 6px;
}
.steps strong { display: block; margin-bottom: 6px; }
.steps span { color: var(--muted); }

.term-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 0;
}
.dots {
  width: 42px;
  height: 10px;
  background:
    radial-gradient(circle at 5px 5px, #c4b8a4 4px, transparent 4.5px),
    radial-gradient(circle at 21px 5px, #c4b8a4 4px, transparent 4.5px),
    radial-gradient(circle at 37px 5px, #c4b8a4 4px, transparent 4.5px);
}
.term pre { margin: 8px; border-radius: 10px; }
.term-tabs { margin-left: auto; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); font-weight: 650; }
tr:last-child td { border-bottom: 0; }

.config-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 28px; align-items: start; }
.yaml { margin: 0; }
.plain { padding-left: 18px; }
.text-link { font-weight: 650; }

.site-footer { border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--muted); font-size: 0.92rem; }
.footer-bar { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bar nav { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-bar a { color: var(--muted); }
.page { padding-top: 28px; }
.page h1 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.6em; font-size: 1.45rem; }
.prose pre {
  background: var(--code);
  color: var(--code-fg);
  padding: 14px 16px;
  border-radius: 10px;
  overflow: auto;
}

@media (max-width: 860px) {
  .hero-grid, .cards, .steps, .config-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .site-nav { margin-left: 0; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 8px 16px 16px;
    margin: 0;
  }
  .site-nav.is-open { display: flex; }
  .term-bar { flex-wrap: wrap; }
  .term-tabs { margin-left: 0; }
}