:root {
  --bg: #070d18;
  --card: #141f33;
  --text: #eaf0ff;
  --muted: #a9b4c8;
  --blue: #5f8dff;
  --green: #2fcb8b;
  --accent: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, Arial, sans-serif;
  background: radial-gradient(circle at top, #182746 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.55;
}
.container { width: min(1100px, 92%); margin: 0 auto; }
header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(7, 13, 24, 0.75);
  border-bottom: 1px solid #24344d;
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); display: inline-block; box-shadow: 0 0 0 6px rgba(255,107,107,.12); }
.nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.nav a:hover { color: var(--text); }
.hero { padding: 72px 0 38px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.hero-card, .panel { background: linear-gradient(160deg, #1a2740, #121a2d); border: 1px solid #2d4368; border-radius: 20px; padding: 24px; box-shadow: 0 16px 45px rgba(0,0,0,.35); }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.15; margin: 0 0 10px; }
.lead { color: var(--muted); font-size: 1.05rem; }
.cta { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { padding: 11px 18px; border-radius: 12px; text-decoration: none; font-weight: 600; display: inline-block; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-ghost { border: 1px solid #4065a5; color: var(--text); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.feature { background: var(--card); border: 1px solid #253751; border-radius: 16px; padding: 18px; }
.feature h3 { margin-top: 0; }
section { padding: 28px 0; }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.gallery figure { margin: 0; background: #101a2c; border: 1px solid #284169; border-radius: 14px; overflow: hidden; }
.gallery img { width: 100%; display: block; aspect-ratio: 1/2; object-fit: cover; }
.gallery figcaption { font-size: .85rem; padding: 8px 10px; color: var(--muted); }
.highlight { border-left: 4px solid var(--green); padding-left: 14px; }
footer { border-top: 1px solid #22334c; margin-top: 40px; padding: 24px 0 36px; color: var(--muted); }
.small { font-size: .9rem; color: var(--muted); }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid-3, .gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .gallery { grid-template-columns: 1fr; }
}