:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 2rem;
  font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #0e1116; color: #e6e8eb;
}
main { max-width: 34rem; }
h1 { font-size: 2.6rem; letter-spacing: .02em; margin: 0 0 .25rem; }
.tagline { color: #8ab4ff; font-size: 1.15rem; margin-top: 0; }
a { color: #8ab4ff; }
.contact { margin-top: 2rem; }
footer { margin-top: 3rem; font-size: .8rem; color: #6b7280; }
@media (prefers-color-scheme: light) {
  body { background: #fafafa; color: #1a1d21; }
  .tagline, a { color: #1a56db; }
}