:root{
  --bg:#070816;
  --panel:#10152a;
  --panel2:#151b34;
  --cyan:#20e8ff;
  --blue:#159eea;
  --text:#f4f8ff;
  --muted:#aab6ce;
  --border:rgba(32,232,255,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 10%,rgba(30,130,255,.15),transparent 28%),
    radial-gradient(circle at 80% 25%,rgba(0,238,255,.10),transparent 25%),
    linear-gradient(135deg,#050610,#0a0c1b 55%,#111426);
  min-height:100vh;
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1080px,92%);margin:auto}
nav{
  position:sticky;top:0;z-index:10;
  background:rgba(5,6,16,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{height:70px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.4px}
.brand img{width:44px;height:44px;border-radius:11px}
.nav-links{display:flex;gap:24px;font-size:14px}
.hero{padding:80px 0 65px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
.badge{
  display:inline-block;padding:7px 13px;border:1px solid var(--border);
  border-radius:999px;color:var(--cyan);font-size:13px;background:rgba(32,232,255,.06)
}
h1{font-size:clamp(42px,7vw,72px);line-height:.98;margin:18px 0}
h2{font-size:34px;margin:0 0 18px}
h3{margin:0 0 9px}
.lead{font-size:19px;line-height:1.7;color:var(--muted);max-width:650px}
.hero-icon{width:min(360px,75vw);display:block;margin:auto;filter:drop-shadow(0 20px 55px rgba(0,220,255,.25))}
.button{
  display:inline-block;margin-top:22px;padding:13px 21px;border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101a;font-weight:800;text-decoration:none;
}
section{padding:60px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  padding:25px;border:1px solid var(--border);border-radius:18px;
  background:linear-gradient(145deg,rgba(18,25,48,.9),rgba(8,12,28,.9));
}
.card p,.content p,.content li{color:var(--muted);line-height:1.75}
.content{max-width:820px}
.content ul{padding-left:22px}
.updated{color:#8290aa;font-size:14px;margin-top:-5px}
footer{padding:35px 0;border-top:1px solid var(--border);color:#8290aa;font-size:14px}
footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:760px){
 .hero-grid{grid-template-columns:1fr;text-align:center}
 .lead{margin:auto}
 .cards{grid-template-columns:1fr}
 .nav-links{gap:12px;font-size:12px}
 .brand span{display:none}
 .content{padding:0 3px}
}