:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #14181d;
  --text: #e8ecf1;
  --muted: #9aa5b1;
  --accent: #fe2c55;
  --border: #262c34;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 "Segoe UI", system-ui, -apple-system, sans-serif;
}
main, header, footer { max-width: 820px; margin: 0 auto; padding: 0 24px; }
header { padding-top: 40px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 44px; height: 44px; border-radius: 10px; }
.brand span { font-weight: 600; letter-spacing: .2px; }
nav a { color: var(--muted); text-decoration: none; margin-right: 18px; font-size: 14px; }
nav a:hover { color: var(--text); }
nav { padding: 18px 0 0; }
h1 { font-size: 30px; line-height: 1.25; margin: 28px 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: #d5dbe2; }
.muted { color: var(--muted); }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 18px 0;
}
ul { padding-left: 20px; }
code {
  background: #1d232b;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 14px;
}
footer {
  color: var(--muted);
  font-size: 13px;
  padding: 44px 24px 56px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
a { color: #7cc4ff; }