:root{
  --bg: 18,18,20;
  --fg: 240,240,245;
  --muted: 160,160,170;
  --primary: 86,147,255;
  --card: 28,28,33;
  --border: 46,46,52;
}
:root[data-theme="light"]{
  --bg: 255,255,255;
  --fg: 22,22,26;
  --muted: 110,110,120;
  --primary: 54,109,255;
  --card: 246,247,249;
  --border: 226,228,233;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:rgb(var(--bg));color:rgb(var(--fg));}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgb(var(--border));background:rgba(var(--bg),0.7)}
#progress{position:absolute;left:0;right:0;top:100%;height:3px;background:rgb(var(--primary));transform-origin:0 50%;transform:scaleX(0)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:rgba(var(--primary),0.15)}
.brand small{display:block;color:rgb(var(--muted));margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:rgb(var(--muted))}
.nav-links a:hover{color:rgb(var(--fg))}
.icon-btn{background:transparent;border:1px solid rgb(var(--border));border-radius:10px;padding:6px 10px;cursor:pointer}
.btn{display:inline-block;border:1px solid rgb(var(--border));padding:10px 16px;border-radius:14px}
.btn.primary{background:rgb(var(--primary));border-color:rgb(var(--primary));color:white;box-shadow:0 6px 20px rgba(var(--primary),0.35)}
.btn.outline{background:transparent}
.btn.lg{padding:14px 18px}
.btn.sm{padding:8px 12px;font-size:14px}
.section{padding:80px 0}
.hero{position:relative;overflow:hidden}
.gradient{background:linear-gradient(90deg, rgb(var(--primary)) 0%, #61dcff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:rgb(var(--muted));max-width:640px}
.grid-2{display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.col-2{grid-column:span 2}
.center{text-align:center}
.cards .card{border:1px dashed rgb(var(--border))}
.card{background:rgb(var(--card));padding:22px;border-radius:18px;border:1px solid rgb(var(--border))}
.lift{transition:transform .25s ease, box-shadow .25s ease}
.lift:hover{transform:translateY(-6px)}
.feature .fi{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(var(--primary),0.12);margin-bottom:8px}
.icon{font-size:20px;margin-bottom:8px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:rgb(var(--muted))}
.ticks{display:flex;gap:18px;list-style:none;padding:0;margin:16px 0;color:rgb(var(--muted))}
.badges{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:rgb(var(--muted));margin-top:18px}
.badge{border:1px solid rgb(var(--border));border-radius:999px;padding:6px 10px;background:rgba(var(--fg),0.02)}
.muted{color:rgb(var(--muted))}
.small{font-size:12px}
.link{color:rgb(var(--primary))}
.footer{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid rgb(var(--border));padding:20px 0}
.brand-inline{display:flex;align-items:center;gap:12px}
/* blobs */
.blur{position:absolute;filter:blur(60px);opacity:.6;pointer-events:none}
.blob-1{top:-60px;right:-80px;width:320px;height:320px;border-radius:50%;background:rgba(var(--primary),0.18);animation:float 8s ease-in-out infinite}
.blob-2{bottom:-60px;left:-80px;width:280px;height:280px;border-radius:50%;background:rgba(97,220,255,.18);animation:float 9s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:none}
/* responsive */
@media (max-width:1000px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .ticks{flex-wrap:wrap}
  .footer{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  .grid-3,.grid-4{grid-template-columns:1fr}
}