:root {
  --bg: #0f1115;
  --card: #171a21;
  --accent: #7dffb3;
  --text: #e7ecf3;
  --muted: #9aa7b2;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: linear-gradient(180deg, #0f1115, #0b0d12);
  color: var(--text);
}
header {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(10px);
  z-index: 10;
}
.container {
  width: min(100% - 32px, 1000px);
  margin: 0 auto;
}
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 24px 0 50px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform .2s ease, border .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(125,255,179,0.35);
}
.tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(125,255,179,0.1);
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 10px;
}
a { color: inherit; text-decoration: none; }
h2 { margin-top: 28px; }
footer { color: var(--muted); padding-bottom: 40px; }