:root {
  --bg: #fafafa;
  --fg: #1c1c1e;
  --muted: #5f6368;
  --accent: #0b57d0;
  --card: #ffffff;
  --border: #e2e2e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #ececf0;
    --muted: #9aa0a6;
    --accent: #8ab4f8;
    --card: #1b1b1f;
    --border: #2c2c31;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

main {
  width: 100%;
  max-width: 480px;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 24px;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.links a {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.links a:hover,
.links a:focus-visible {
  background: var(--accent);
  color: var(--bg);
}