:root {
  --bg: #f6f7f9;
  --fg: #15171c;
  --muted: #5b6270;
  --accent: #b88a00;
  --line: #dde1e7;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b0e12; --fg: #ebf0f5; --muted: #9aa3b0; --accent: #ffd23f; --line: #262c35; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { text-align: center; margin-bottom: 24px; }
header img { border-radius: 16px; }
h1 { margin: 8px 0 4px; font-size: 32px; letter-spacing: -0.02em; }
.tagline { margin: 0 0 12px; color: var(--muted); }
nav { font-size: 15px; color: var(--muted); }
a { color: var(--accent); }
section { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
.date { color: var(--muted); font-size: 15px; }
.contact { text-align: center; font-size: 18px; }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; text-align: center; }