:root {
  --bg: #fbfbfa;
  --fg: #1d1f21;
  --muted: #5b6066;
  --line: #e2e3e5;
  --accent: #2856c7;
  --accent-fg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181b;
    --fg: #e8e9ea;
    --muted: #a3a8ae;
    --line: #2c3035;
    --accent: #7a9cf0;
    --accent-fg: #0e1013;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.site-header, main, .site-footer {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
}
.brand { color: var(--fg); font-weight: 600; text-decoration: none; }
main { flex: 1; padding-bottom: 48px; }
.hero { padding-top: 12vh; }
h1 { font-size: 2.25rem; line-height: 1.2; margin: 0 0 8px; }
article h1 { font-size: 1.75rem; margin-top: 16px; }
h2 { font-size: 1.125rem; margin: 28px 0 4px; }
.soon { color: var(--muted); font-size: 1.25rem; margin-top: 0; }
.button {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 20px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  text-decoration: none;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  padding-bottom: 24px;
  color: var(--muted);
  font-size: 0.875rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer p { margin: 12px 0 0; }