:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #2b5d8c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --fg: #ececec;
    --muted: #999;
    --accent: #8ab4e0;
  }
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  padding: 0 1.5rem;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 40rem;
  width: 100%;
  margin: 0 auto;
}

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 1.125rem;
}

.links {
  display: flex;
  gap: 1.5rem;
}

.links a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.links a:hover { border-bottom-color: var(--accent); }

footer {
  max-width: 40rem;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 0;
  font-size: 0.875rem;
  color: var(--muted);
}