:root{
  --bg: #0a0d12;
  --panel: #0f1622;
  --text: #e9eef6;
  --muted:#8fa1b7;
  --brand:#5ee1ff;
  --brand2:#80ffb5;
  --stroke: rgba(255,255,255,.11);
  --card: rgba(255,255,255,.06);
  --shadow: 0 14px 40px rgba(0,0,0,.5);
}
:root.light{ --bg:#f7fafc; --panel:#ffffff; --text:#0e1724; --muted:#516178; --card: rgba(0,0,0,.045); --stroke: rgba(0,0,0,.12); }
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, rgba(94,225,255,.14), transparent 40%),
              radial-gradient(1000px 700px at 10% -20%, rgba(128,255,181,.12), transparent 50%),
              var(--bg);
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px; margin:0 auto; padding:0 20px}
/* Header */
header{position:sticky; top:0; z-index:50; backdrop-filter:saturate(160%) blur(10px);
  background:linear-gradient(to bottom, rgba(10,13,18,.85), rgba(10,13,18,.6)); border-bottom:1px solid var(--stroke)}
:root.light header{background:linear-gradient(to bottom, rgba(255,255,255,.85), rgba(255,255,255,.6))}
nav{display:flex; align-items:center; gap:16px; height:80px}
.logo{display:flex; align-items:center; gap:14px; font-weight:900; letter-spacing:.2px}
.logo img{width:56px; height:56px; border-radius:10px; object-fit:cover}
.spacer{flex:1}
.navlink{color:var(--muted); padding:8px 12px; border-radius:10px}
.navlink:hover{background:var(--card); color:var(--text)}
.btn{background:linear-gradient(135deg, var(--brand), var(--brand2)); color:#06141b;
  border:none; border-radius:12px; padding:10px 16px; font-weight:900; box-shadow:var(--shadow); cursor:pointer}
.btn.secondary{background:transparent; color:var(--text); border:1px solid var(--stroke); box-shadow:none}
.select{appearance:none; background:transparent; color:var(--text); border:1px solid var(--stroke); padding:8px 12px; border-radius:10px}
.small{font-size:13px}
/* Hero */
.hero{border-bottom:1px solid var(--stroke); padding:40px 0 20px}
.hero .grid{display:grid; grid-template-columns: 1fr 1fr; gap:36px}
.hero .biglogo{width:100%; max-width:440px; border-radius:16px; box-shadow:var(--shadow)}
.tag{display:inline-flex; align-items:center; gap:8px; background:var(--card); padding:6px 10px; border:1px solid var(--stroke); border-radius:999px; color:var(--muted); font-weight:700}
h1{font-size: clamp(32px, 4.4vw, 58px); line-height:1.05; margin:14px 0 10px}
.sub{color:var(--muted); font-size:18px}
.cta{display:flex; gap:10px; margin:20px 0 28px; flex-wrap:wrap}
.stats{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:14px}
.stat{background:var(--card); border:1px solid var(--stroke); border-radius:14px; padding:14px; text-align:center}
.stat .n{font-weight:900; font-size:22px}
/* Sections */
section{padding:64px 0; border-bottom:1px solid var(--stroke)}
.grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.card{background:var(--card); border:1px solid var(--stroke); border-radius:16px; padding:18px}
.card h3{margin:0 0 6px}
/* Footer */
footer{padding:40px 0}
.cols{display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap:18px}
/* Responsive */
@media (max-width: 1000px){
  .hero .grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .logo img{width:44px; height:44px}
  nav{height:72px}
}