:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --accent: #2563eb;
  --border: #e5e5e5;
  --card-bg: #fafafa;
  --max-width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f10;
    --fg: #f2f2f2;
    --muted: #a0a0a0;
    --accent: #60a5fa;
    --border: #2a2a2a;
    --card-bg: #18181a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 600;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

.site-header nav a:hover {
  color: var(--accent);
}

.hero {
  padding: 4rem 0 2rem;
}

.hero h1 {
  font-size: 2.25rem;
  margin: 0 0 0.5rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.15rem;
  margin: 0;
}

section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.card-title h3 {
  margin: 0;
}

.card-logo {
  border-radius: 6px;
  flex-shrink: 0;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  margin-left: auto;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-placeholder {
  opacity: 0.6;
}

footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}

a {
  color: var(--accent);
}