:root{
  --bg: #0b0f19;
  --panel: #121826;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --accent-4: #0e2b9f;
  --accent-5: #7f1d1d;   /* U5 border */
  --accent-6: #c08900;   /* U6 border */
  --accent-7: #0891b2;   /* U7 border */
  --ring: rgba(250, 204, 21, 0.25);
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, #1e293b 0%, transparent 60%) no-repeat, var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}
.container {
  width: 100%;
  max-width: 1100px;
}
header {
  text-align: center;
  margin-bottom: 28px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  margin: 6px 0 8px;
  font-family: Lora, Georgia, serif;
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.2;
}
.subtitle {
  color: var(--muted);
  max-width: 800px;
  margin: 0 auto;
  font-size: clamp(14px, 1.7vw, 16px);
}
.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  body { align-items: flex-start; }
  .grid { grid-template-columns: 1fr; }
}
.card {
  position: relative;
  background: linear-gradient(180deg, #0f172a 0%, #0b1222 100%);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
  outline: 1px solid rgba(148, 163, 184, 0.18);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -14px rgba(0,0,0,.55), 0 0 0 6px var(--ring);
}
.card a {
  display: block;
  color: inherit;
  text-decoration: none;
  height: 100%;
}
.thumb {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.thumb.sc { border: 3px solid var(--accent-4); color: #143ad0;  }
.thumb.u5 { border: 3px solid var(--accent-5); color: #ef4444; }
.thumb.u6 { border: 3px solid var(--accent-6); color: #facc15; }
.thumb.u7 { border: 3px solid var(--accent-7); color: #67e8f9; }

.content { padding: 16px 16px 18px; }
.title {
  font-weight: 700;
  margin: 0 0 6px;
}
.meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}
.footer-note {
  text-align: center;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}