:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --text: #e8ecf1;
  --muted: #a5adba;
  --accent: #4da3ff;
  --good: #2fbf71;
  --warn: #ffd166;
  --bad: #ff6b6b;
  --border: #262a33;
  --tooltip-bg: #0b0c10;
  --tooltip-border: #2a2f3a;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a, a:visited {color:orange;}
.container { max-width: 1200px; margin: 0 auto; padding: 1rem; }
.site-header, .site-footer { padding: 1rem; background: var(--panel); border-bottom: 1px solid var(--border); }
/* Landing page cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2rem;
}
.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}
.card p {
  margin: 0 0 1rem;
  color: var(--muted);
}
.card-cta {
  color: var(--accent);
  font-weight: 600;
}
/* Responsive */
@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}
.site-footer { border-top: 1px solid var(--border); border-bottom: none; color: var(--muted); }