:root {
  --bg: #ffffff;
  --text: #1c1d21;
  --muted: #60646c;
  --surface: #f0f0f3;
  --line: #e0e1e6;
  --accent: #a34f00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #ffffff;
    --muted: #b0b4ba;
    --surface: #212225;
    --line: #2e3135;
    --accent: #e17d06;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; gap: 16px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.brand img { border-radius: 50%; }
.hero-logo { display: block; border-radius: 50%; margin: 0 0 16px; }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 15px; }
nav a:hover { color: var(--accent); }
main { padding: 32px 0 48px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card { background: var(--surface); border-radius: 16px; padding: 16px 20px; margin: 16px 0; }
.card p { margin: 4px 0; }
.btn { display: inline-block; background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 12px; text-decoration: none; font-weight: 600; margin: 4px 8px 4px 0; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }