:root {
  --bg: #0c0d10;
  --panel: #12141a;
  --line: #252833;
  --ink: #e8edf5;
  --muted: #8b93a7;
  --copper: #e08a3c;
  --signer: #5dcaa0;
  --sans: "Segoe UI", "IBM Plex Sans", sans-serif;
  --code: "Cascadia Mono", "Consolas", monospace;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}
body {
  background-image: radial-gradient(circle at 1px 1px, #1b1e27 1px, transparent 0);
  background-size: 18px 18px;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 40px 20px 80px; }
.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 20px; }
.logo { width: 40px; height: 48px; color: var(--copper); }
h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 650;
}
.tag { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.lead { font-size: 17px; max-width: 36em; margin: 0 0 24px; }
.lead strong { color: var(--copper); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
a.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  border: 1px solid var(--line);
}
a.btn.primary { background: var(--copper); border-color: var(--copper); color: #1a1208; }
a.btn.ghost { color: var(--ink); background: transparent; }
section {
  background: rgba(18, 20, 26, 0.88);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px 20px;
  margin-bottom: 14px;
}
section h2 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper);
}
section h3 {
  margin: 16px 0 6px;
  font-size: 14px;
  color: var(--ink);
}
section p, section li { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
section ul, section ol { margin: 0 0 8px; padding-left: 1.25em; }
section code, pre {
  font-family: var(--code);
  font-size: 12px;
  color: var(--ink);
}
pre {
  margin: 10px 0;
  padding: 12px 14px;
  background: #0a0b0e;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow-x: auto;
  color: var(--signer);
  white-space: pre-wrap;
}
.note {
  border-left: 3px solid var(--copper);
  padding-left: 12px;
  margin: 10px 0;
}
footer { margin-top: 28px; font-size: 12px; color: var(--muted); }
footer a { color: var(--muted); }
nav.toc a { color: var(--copper); margin-right: 14px; font-size: 13px; }