:root {
  --lb-bg: #0f1419;
  --lb-surface: #1a2332;
  --lb-border: #2d3a4f;
  --lb-text: #e8edf4;
  --lb-muted: #8b9cb3;
  --lb-accent: #3b82f6;
  --lb-accent2: #10b981;
  --lb-warn: #f59e0b;
  --lb-radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--lb-bg);
  color: var(--lb-text);
  min-height: 100vh;
  line-height: 1.5;
}
.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f1419 60%);
  border-bottom: 1px solid var(--lb-border);
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
}
.hero h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.4rem; }
.hero p { color: var(--lb-muted); max-width: 640px; margin: 0 auto; }
.badge {
  display: inline-block;
  background: var(--lb-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.8rem;
  letter-spacing: 0.04em;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.5rem 3rem;
}
.card {
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: var(--lb-radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover {
  border-color: var(--lb-accent);
  transform: translateY(-2px);
}
.card-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.card h2 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: var(--lb-muted); font-size: 0.9rem; margin-bottom: 1rem; }
.card-cta {
  color: var(--lb-accent);
  font-size: 0.85rem;
  font-weight: 600;
}
.card.git { border-top: 3px solid var(--lb-accent); }
.card.specs { border-top: 3px solid var(--lb-accent2); }
.card.vault { border-top: 3px solid var(--lb-warn); }
.card.kit { border-top: 3px solid #a78bfa; }
.status-bar {
  max-width: 1100px;
  margin: 0 auto 1rem;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
}
.chip {
  background: var(--lb-surface);
  border: 1px solid var(--lb-border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  color: var(--lb-muted);
}
.chip.ok { border-color: var(--lb-accent2); color: var(--lb-accent2); }
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--lb-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--lb-border);
}