:root {
  --ink: #1e1914;
  --paper: #f6f1e8;
  --card: #fffaf3;
  --line: #d5cbb8;
  --accent: #8c2f0d;
  --muted: #6a6056;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

html { scroll-behavior: smooth; }

body {
  font: 18px/1.55 "Liberation Serif", "DejaVu Serif", Palatino, Georgia, serif;
  min-width: 320px;
}

img, svg { max-width: 100%; }

body > header,
main,
footer {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding-inline: 20px;
}

body > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  padding-bottom: 8px;
}

.mark { font-weight: 700; letter-spacing: 0.04em; margin: 0; }

.mark a {
  color: inherit;
  text-decoration: none;
}

body > header nav,
footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a, footer a, .row a { color: var(--accent); }

nav a[aria-current="page"] { color: var(--ink); text-decoration: none; }

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 20;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--muted);
}

h1 {
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.05;
  margin: 8px 0 16px;
  overflow-wrap: break-word;
}
h2 { font-size: 28px; margin: 0 0 12px; }
h3 { font-size: 20px; margin: 28px 0 8px; }

p { margin: 0 0 14px; }

.lede, figcaption, footer, .meta { color: var(--muted); }

.hero { padding: 36px 0 12px; }

.row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

.primary {
  background: var(--ink);
  color: var(--paper) !important;
  text-decoration: none;
  padding: 10px 16px;
}

section { padding: 20px 0 28px; }

.steps { padding-left: 20px; }
.steps li { margin: 12px 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.split article, figure, .note, .toc {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px 20px;
}

figure { margin: 16px 0 0; }

img, video { width: 100%; height: auto; background: #1f1a16; display: block; }

pre {
  background: #1f1a16;
  color: #f6f1e8;
  padding: 16px 18px;
  overflow: auto;
}

code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88em;
}

p code, li code, td code, dd code {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.05em 0.35em;
  white-space: break-spaces;
  overflow-wrap: anywhere;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.92em;
}

.doc h2 {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  margin-top: 36px;
}

.doc h2:first-of-type { border-top: 0; margin-top: 8px; padding-top: 0; }

.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 8px 0; }

.toc {
  display: block;
  margin: 0 0 28px;
}
.toc h2 { font-size: 20px; margin: 0 0 10px; }
.toc ol { margin: 0; padding-left: 22px; }
.toc a { color: var(--accent); }

.note { margin: 16px 0; }
.note p:last-child { margin-bottom: 0; }

.cmds {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.cmds th, .cmds td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-top: 1px solid var(--line);
}

.cmds th { color: var(--muted); font-weight: 600; }

.cmds code { white-space: nowrap; }

.missing { padding: 48px 0 80px; }
.missing h1 { max-width: 16ch; }

footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 24px;
  padding-bottom: 48px;
  font-size: 15px;
}

footer nav { gap: 16px; }

::selection {
  background: var(--ink);
  color: var(--paper);
}

@media (max-width: 720px) {
  .split { grid-template-columns: 1fr; }
  body > header { flex-direction: column; align-items: flex-start; gap: 12px; }
  h1 { font-size: clamp(28px, 9vw, 40px); }
  .cmds { display: block; overflow-x: auto; }
  .cmds code { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}