:root{
  --bg:#08101f;
  --bg2:#0d1729;
  --card:#111d31;
  --text:#eef4ff;
  --muted:#a8b4c8;
  --primary:#4f8cff;
  --primary2:#6da0ff;
  --line:rgba(255,255,255,.09);
  --ok:#35d07f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6
}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(8,16,31,.84);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.nav{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:11px;background:linear-gradient(135deg,var(--primary),#8a5cff);
  color:#fff;font-size:14px;letter-spacing:.5px
}
nav{display:flex;gap:26px;margin-left:auto}
nav a{color:var(--muted);font-size:14px}
nav a:hover{color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 22px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#7667ff);
  color:#fff;font-weight:700;border:1px solid transparent;
  box-shadow:0 12px 30px rgba(79,140,255,.25)
}
.btn:hover{transform:translateY(-1px)}
.btn-small{padding:10px 16px;font-size:14px}
.btn-ghost{background:transparent;border-color:var(--line);box-shadow:none}
.hero{padding:95px 0 80px;background:
  radial-gradient(circle at 75% 20%,rgba(79,140,255,.18),transparent 30%),
  radial-gradient(circle at 15% 20%,rgba(118,103,255,.12),transparent 28%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.badge,.eyebrow{
  display:inline-block;color:#a9c6ff;font-size:12px;font-weight:800;letter-spacing:.12em
}
.badge{border:1px solid rgba(109,160,255,.28);background:rgba(79,140,255,.08);padding:7px 10px;border-radius:999px}
h1{font-size:clamp(44px,6vw,72px);line-height:1.02;margin:22px 0}
h1 span{background:linear-gradient(90deg,#7eb0ff,#9a87ff);-webkit-background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--muted);max-width:650px}
.hero-actions{display:flex;gap:12px;margin:30px 0 18px;flex-wrap:wrap}
.meta{display:flex;gap:18px;color:#c8d3e6;font-size:13px;flex-wrap:wrap}
.app-card{
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,#14223a,#0d1729);
  box-shadow:0 40px 80px rgba(0,0,0,.35)
}
.window-bar{height:46px;background:#0a1220;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:7px}
.window-bar span{width:10px;height:10px;border-radius:50%;background:#39465a}
.window-bar b{margin-left:8px;font-size:13px;color:#cbd7e8}
.app-body{padding:30px}
.app-title{text-align:center;font-size:25px;font-weight:800}
.app-sub{text-align:center;color:var(--muted);font-size:13px}
.your-id{text-align:center;font-size:20px;margin:25px 0}
.panel,.connect-box{border:1px solid var(--line);background:rgba(255,255,255,.025);border-radius:13px;padding:18px;margin-top:15px}
.panel small{color:var(--muted)}
.status-row{display:flex;gap:8px;align-items:center;margin-top:8px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 16px var(--ok)}
.server{font-size:12px;color:#9fb0c7}
.connect-box{display:grid;grid-template-columns:1fr .7fr auto;gap:8px}
input,button{font:inherit}
input{
  min-width:0;background:#0a1323;border:1px solid var(--line);color:#fff;
  padding:11px;border-radius:8px;outline:none
}
button{background:var(--primary);color:#fff;border:0;border-radius:8px;padding:0 16px;font-weight:700}
.section{padding:90px 0}
.section-alt{background:var(--bg2)}
.section-head{max-width:680px;margin-bottom:36px}
.section-head h2,.security h2,.download-card h2{font-size:38px;line-height:1.15;margin:10px 0 12px}
.section-head p,.security p,.download-card p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card,.step{
  border:1px solid var(--line);background:var(--card);border-radius:16px;padding:24px
}
.card .icon{
  width:46px;height:46px;border-radius:12px;background:rgba(79,140,255,.13);
  display:grid;place-items:center;color:#9fc0ff;font-weight:900
}
.card h3,.step h3{margin:16px 0 8px}
.card p,.step p{margin:0;color:var(--muted);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step span{
  width:36px;height:36px;display:grid;place-items:center;border-radius:50%;
  background:var(--primary);font-weight:800
}
.security{display:grid;grid-template-columns:1fr 260px;gap:60px;align-items:center}
.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;color:#cdd7e8;margin-top:24px}
.shield{
  min-height:260px;border-radius:24px;border:1px solid var(--line);
  background:radial-gradient(circle,rgba(79,140,255,.22),transparent 55%),var(--card);
  display:grid;place-items:center;font-size:86px
}
.download-section{padding-top:30px}
.download-card{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding:42px;border-radius:22px;background:linear-gradient(135deg,#2f6fe5,#6e5eea)
}
.btn-light{background:#fff;color:#173058;box-shadow:none}
.note{color:#8391a6;font-size:12px;margin-top:12px}
footer{border-top:1px solid var(--line);padding:48px 0 28px;background:#070d18}
.footer-grid{display:flex;justify-content:space-between;gap:30px}
.footer-grid p{color:var(--muted)}
.footer-links{display:flex;gap:22px;color:#b8c4d6}
.copyright{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);color:#738198;font-size:13px}
@media(max-width:900px){
  nav{display:none}.hero-grid,.security{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.shield{min-height:180px}
}
@media(max-width:620px){
  .container{width:min(100% - 24px,1120px)}.topbar .btn-small{display:none}
  .hero{padding-top:60px}.cards{grid-template-columns:1fr}.connect-box{grid-template-columns:1fr}
  .security-list{grid-template-columns:1fr}.download-card,.footer-grid{flex-direction:column;align-items:flex-start}
  h1{font-size:43px}
}