:root{
  /* Cryo‑Matrix */
  --bg: #020B08;
  --bg2:#04201A;
  --panel:#052A22;
  --panel2:#06352B;

  --text:#BFE9FF;
  --text2:#E8F7FF;
  --muted:#84BFD6;

  --ice:#56D6FF;
  --matrix:#00FF7B;

  --border: rgba(0,255,123,0.18);
  --shadow: rgba(86,214,255,0.20);

  --radius: 18px;
  --radius2: 24px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
}

/* Ambient layers */
.bg-ambient{
  position:fixed; inset:0;
  background:
    radial-gradient(1200px 800px at 15% 10%, rgba(0,255,123,0.12), transparent 62%),
    radial-gradient(900px 700px at 85% 25%, rgba(86,214,255,0.10), transparent 58%),
    radial-gradient(800px 650px at 45% 90%, rgba(0,255,123,0.08), transparent 62%),
    linear-gradient(180deg, rgba(4,32,26,0.35), rgba(2,11,8,0.9));
  pointer-events:none;
  z-index:-2;
}

.bg-grid{
  position:fixed; inset:-2px;
  background-image:
    linear-gradient(rgba(0,255,123,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86,214,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(900px 600px at 50% 20%, rgba(0,0,0,0.9), transparent 70%);
  opacity:0.55;
  pointer-events:none;
  z-index:-1;
}

.wrap{
  width:min(1100px, calc(100% - 40px));
  margin:0 auto;
}

.topbar{
  position:sticky; top:0;
  backdrop-filter: blur(10px);
  background: rgba(2,11,8,0.75);
  border-bottom: 1px solid rgba(0,255,123,0.14);
  z-index:50;
}

.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap:16px;
}

.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
  color: var(--text2);
}
.brand__mark{
  width:38px; height:38px;
  border-radius: 12px;
  display:grid; place-items:center;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight:700;
  border: 1px solid rgba(86,214,255,0.35);
  box-shadow: 0 0 20px rgba(86,214,255,0.10);
  background: linear-gradient(180deg, rgba(4,32,26,0.85), rgba(2,11,8,0.65));
}
.brand__name{
  font-weight:700;
  letter-spacing: 0.2px;
}

.nav{ display:flex; align-items:center; gap:14px; }
.nav__link{
  color: var(--muted);
  text-decoration:none;
  font-weight:600;
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 12px;
  transition: 160ms ease;
}
.nav__link:hover{
  color: var(--text2);
  text-shadow: 0 0 14px rgba(86,214,255,0.35);
  background: rgba(86,214,255,0.06);
}
.nav__link.is-active{
  color: var(--text2);
  border: 1px solid rgba(86,214,255,0.25);
  background: rgba(4,32,26,0.35);
}
.nav__link--out{
  border: 1px solid rgba(0,255,123,0.18);
  background: rgba(0,255,123,0.04);
}

.navbtn{
  display:none;
  width:42px; height:42px;
  border-radius: 14px;
  border: 1px solid rgba(86,214,255,0.25);
  background: rgba(4,32,26,0.25);
  color: var(--text2);
}
.navbtn span{
  display:block;
  width:18px; height:2px;
  background: var(--text2);
  margin: 5px auto;
  border-radius: 2px;
  opacity:0.9;
}

.navmobile{
  padding: 12px 0 18px 0;
  display:grid;
  gap:8px;
}
.navmobile__link{
  display:block;
  text-decoration:none;
  color: var(--text2);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(0,255,123,0.14);
  background: rgba(4,32,26,0.35);
}
.navmobile__link:hover{
  border-color: rgba(86,214,255,0.35);
  box-shadow: 0 0 16px rgba(86,214,255,0.18);
}

.main{ padding: 34px 0 44px 0; }

.hero{
  padding: 26px 0 6px 0;
}
.kicker{
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  color: rgba(0,255,123,0.72);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.h1{
  margin: 10px 0 10px 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
  color: var(--text2);
  letter-spacing: -0.6px;
}
.sub{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.6;
}
.hero__cta{
  display:flex;
  gap:12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration:none;
  font-weight:700;
  font-size: 14px;
  color: var(--text2);
  border: 1px solid rgba(86,214,255,0.38);
  background: rgba(86,214,255,0.08);
  transition: 170ms ease;
}
.btn:hover{
  box-shadow: 0 0 18px rgba(86,214,255,0.30);
  border-color: rgba(0,255,123,0.32);
  background: rgba(0,255,123,0.06);
}
.btn--ghost{
  border: 1px solid rgba(0,255,123,0.22);
  background: rgba(4,32,26,0.25);
  color: var(--text);
  font-weight:700;
}
.btn--ghost:hover{
  border-color: rgba(86,214,255,0.35);
  background: rgba(86,214,255,0.06);
}

.section{
  margin-top: 26px;
}
.section__title{
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.h2{
  margin:0;
  color: var(--text2);
  font-size: 18px;
  letter-spacing: 0.1px;
}
.tiny{
  font-size: 12px;
  color: rgba(191,233,255,0.85);
}
.tiny--muted{ color: rgba(132,191,214,0.75); }

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  grid-column: span 4;
  border-radius: var(--radius2);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(4,32,26,0.72), rgba(2,11,8,0.70));
  box-shadow: 0 12px 32px rgba(0,0,0,0.55);
  padding: 16px;
  position:relative;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute; inset:-1px;
  background: radial-gradient(500px 140px at 10% 0%, rgba(86,214,255,0.14), transparent 60%);
  pointer-events:none;
  opacity:0.75;
}
.card__head{
  position:relative;
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
}
.card__title{
  margin:0;
  font-weight: 800;
  color: var(--text2);
  font-size: 15px;
}
.badge{
  position:relative;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  color: rgba(0,255,123,0.80);
  border: 1px solid rgba(0,255,123,0.22);
  background: rgba(0,255,123,0.05);
  padding: 6px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.card__desc{
  position:relative;
  margin: 10px 0 12px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}
.card__foot{
  position:relative;
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.link{
  color: var(--ice);
  text-decoration:none;
  font-weight:700;
}
.link:hover{ text-shadow: 0 0 14px rgba(86,214,255,0.55); }

.list{
  display:grid;
  gap: 10px;
}
.item{
  border-radius: var(--radius);
  border: 1px solid rgba(0,255,123,0.14);
  background: rgba(4,32,26,0.30);
  padding: 14px 14px;
}
.item__title{
  margin:0 0 6px 0;
  font-weight: 800;
  color: var(--text2);
}
.item__meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(132,191,214,0.85);
  font-size: 12px;
}
.item__meta span{ opacity:0.95; }
hr.sep{
  border:0;
  height:1px;
  background: rgba(0,255,123,0.14);
  margin: 18px 0;
}

.footer{
  padding: 22px 0 34px 0;
  border-top: 1px solid rgba(0,255,123,0.14);
}
.footer__row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.footer__right{ display:flex; gap:10px; align-items:center; }

/* Responsive */
@media (max-width: 900px){
  .card{ grid-column: span 6; }
}
@media (max-width: 720px){
  .nav{ display:none; }
  .navbtn{ display:inline-block; }
  .wrap{ width: min(1100px, calc(100% - 28px)); }
  .card{ grid-column: span 12; }
}