:root {
  --bg: #0f1115;
  --fg: #e6e8ec;
  --muted: #8b93a1;
  --line: #232833;
  --accent: #6ea8fe;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 600; letter-spacing: .2px; }
.brand span { color: var(--muted); font-weight: 400; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 14px; }
nav a:hover { color: var(--fg); }
main { flex: 1; padding: 48px 0 64px; }
h1 { font-size: 30px; margin: 0 0 12px; letter-spacing: -.3px; }
h2 { font-size: 18px; margin: 36px 0 10px; }
.lead { color: var(--muted); font-size: 17px; max-width: 62ch; }
section p { max-width: 68ch; }
ul.facts { list-style: none; padding: 0; margin: 16px 0 0; }
ul.facts li { border-top: 1px solid var(--line); padding: 8px 0; font-size: 15px; color: var(--muted); }
ul.facts b { color: var(--fg); font-weight: 500; display: inline-block; min-width: 110px; }
pre {
  background: #171a21;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #cfd6e4;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #3ddc84;
  margin-right: 8px;
  vertical-align: middle;
}
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }