:root {
  --fg: #1a1a1a;
  --bg: #fafafa;
  --muted: #666;
  --accent: #0066cc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #111;
    --muted: #999;
    --accent: #4da3ff;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

main {
  max-width: 32rem;
  width: 100%;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 0.25rem;
  font-weight: 600;
}

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

.links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.links li {
  margin: 0.25rem 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

a:hover,
a:focus {
  border-bottom-color: var(--accent);
}