:root {
  --bg: #0b0d10;
  --text: #e8eaed;
  --muted: #8b919a;
  --line: rgba(232, 234, 237, 0.1);
  --sans: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "IBM Plex Serif", "Times New Roman", Times, serif;
}
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 22px 48px;
}
.wordmark {
  margin: 0;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.back {
  display: inline-block;
  margin: 10px 0 28px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}
.back:hover { color: var(--text); }
h1 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
}
h2 {
  margin: 28px 0 8px;
  font-size: 15px;
  font-weight: 600;
}
p, li { color: #d4d7dc; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 18px; }
.page-nav {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.page-nav a { color: var(--muted); text-decoration: none; }
.page-nav a[aria-current="page"] { color: var(--text); }
.page-nav a:hover { color: var(--text); }
.copyright {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}