:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --card-bg: #ffffff;
  --border: #e5e5e5;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --fg: #f2f2f2;
    --muted: #9a9a9a;
    --card-bg: #18181b;
    --border: #2a2a2e;
    --accent: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.card {
  width: 100%;
  max-width: 420px;
  text-align: center;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 0.95rem;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.link {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  text-decoration: none;
  color: inherit;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.link:hover,
.link:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.link-title {
  font-weight: 600;
  font-size: 1rem;
}

.link-desc {
  color: var(--muted);
  font-size: 0.85rem;
}

footer {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}