:root {
  --bg: #0c1220;
  --card: #151d2e;
  --text: #e8edf5;
  --muted: #8b9bb4;
  --accent: #6ee7b7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #243044;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}
header h1 { margin: 0; font-size: 1.15rem; font-weight: 600; }
nav a { margin-left: 1rem; color: var(--muted); }
nav a:hover { color: var(--text); }
main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.lead { color: var(--muted); margin-bottom: 1.5rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #243044;
  transition: border-color .15s;
}
.card:hover { border-color: #3d516d; }
.card img, .card .thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #1a2438;
  display: block;
}
.card .body { padding: .85rem 1rem 1rem; }
.card h2 { margin: 0 0 .35rem; font-size: 1rem; }
.card p { margin: 0; font-size: .85rem; color: var(--muted); }
video {
  width: 100%;
  max-height: 70vh;
  background: #000;
  border-radius: 8px;
}
footer {
  margin-top: 3rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid #243044;
  color: var(--muted);
  font-size: .8rem;
  text-align: center;
}