:root {
  --bg: #0b0f19;
  --card: #121726;
  --text: #e6e9f2;
  --muted: #a6b0cf;
  --accent: #7aa2ff;
  --accent-2: #00d1b2;
  --border: #1e2640;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans";
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { opacity: .9; }
.header {
  position: sticky; top: 0;
  background: rgba(11,15,25,.8);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}
nav ul {
  list-style: none;
  display: flex; flex-wrap: wrap;
  gap: .75rem 1rem; padding: 0; margin: 0;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
}
.brand-logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block;
}
.brand h1 { font-size: 1.15rem; margin: 0; }
.brand small { color: var(--muted); display:block; font-weight: 500; margin-top: -2px; }
.navbar {
  display: grid; grid-template-columns: 1fr; gap: .75rem;
}
@media (min-width: 860px) {
  .navbar { grid-template-columns: auto 1fr; align-items: center; }
  nav { justify-self: end; }
}
nav a { padding: .4rem .6rem; border-radius: .5rem; }
nav a.active, nav a:focus-visible { background: var(--card); outline: none; }
.hero {
  padding: 2rem 0 1rem;
}
.hero h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin: .25rem 0 .5rem;
}
.hero p { color: var(--muted); margin: 0; }
.grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  margin: 1rem 0 2rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  transition: transform .12s ease, box-shadow .12s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.card h3 { margin: .25rem 0 .5rem; font-size: 1.05rem; }
.card p { color: var(--muted); margin: 0; }
.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 1.5rem 0 2rem;
}
.badge {
  display: inline-flex; align-items: center;
  gap: .35rem; padding: .25rem .5rem; border-radius: .5rem;
  background: #10162a; color: var(--muted);
  border: 1px solid var(--border); font-size: .85rem;
}