:root {
  --bg: #070a0f;
  --surface: #0e1420;
  --text: #e7ecf4;
  --muted: #a8b3c7;
  --silver: #c7ceda;
  --accent: #5ce1e6; /* swap if you prefer purple */
  --border: rgba(199, 206, 218, 0.14);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial;
}
a {
  color: var(--text);
  text-decoration: none;
}
a:hover {
  color: var(--accent);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 18px;
}
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.btn {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.btn.primary {
  background: rgba(92, 225, 230, 0.12);
  border-color: rgba(92, 225, 230, 0.35);
}
.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--silver);
  font-size: 12px;
}
.grid {
  display: grid;
  gap: 14px;
}
@media (min-width: 860px) {
  .grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
h1 {
  font-size: 40px;
  letter-spacing: -0.02em;
  margin: 10px 0;
}
p {
  color: var(--muted);
  line-height: 1.6;
}