:root{
  --bg:#050814;
  --bg2:#08101f;
  --panel:#0d162b;
  --panel2:#111d35;
  --line:#21375f;
  --cyan:#59e4ff;
  --green:#65f2ba;
  --violet:#a66cff;
  --text:#f7f9fc;
  --muted:#9aa8c0;
  --white:#ffffff;
  --shadow:0 22px 80px rgba(0,0,0,.30);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  background:
    radial-gradient(circle at 10% 5%,rgba(89,228,255,.12),transparent 28%),
    radial-gradient(circle at 90% 0%,rgba(166,108,255,.16),transparent 32%),
    linear-gradient(180deg,var(--bg),#040711 60%,#03050c);
  color:var(--text);
  line-height:1.6;
}

a{color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:auto;padding:0 28px}

.site-header{
  position:sticky;top:0;z-index:1000;
  backdrop-filter:blur(18px);
  background:rgba(5,8,20,.82);
  border-bottom:1px solid rgba(255,255,255,.06);
}

.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

.brand img{
  width:46px;
  height:46px;
  object-fit:contain;
}

.brand-text{
  font-weight:900;
  letter-spacing:.5px;
  font-size:18px;
}

.brand-text span{color:var(--cyan)}

.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
}

.nav-links a{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  font-weight:700;
}

.nav-links a:hover{color:var(--white)}

.hero{
  min-height:78vh;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  align-items:center;
  gap:48px;
  padding:76px 0 62px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--green);
  background:rgba(255,255,255,.02);
}

h1{
  margin:20px 0 18px;
  font-size:68px;
  line-height:1.02;
  letter-spacing:-.03em;
}

.gradient-text{
  background:linear-gradient(90deg,var(--cyan),var(--green),var(--violet));
  -webkit-background-clip:text;
  color:transparent;
}

.lead{
  max-width:720px;
  color:var(--muted);
  font-size:19px;
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:30px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:12px;
  text-decoration:none;
  font-weight:800;
  border:1px solid transparent;
}

.btn-primary{
  color:#041019;
  background:linear-gradient(90deg,var(--green),var(--cyan));
}

.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,.03);
  border-color:var(--line);
}

.hero-card{
  position:relative;
  background:linear-gradient(180deg,rgba(17,29,53,.95),rgba(7,13,29,.96));
  border:1px solid var(--line);
  border-radius:28px;
  padding:30px;
  box-shadow:var(--shadow);
  overflow:hidden;
}

.hero-card:before{
  content:"";
  position:absolute;
  inset:-80px auto auto -80px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(89,228,255,.26),transparent 70%);
}

.logo-stage{
  width:260px;
  margin:0 auto 28px;
  filter:drop-shadow(0 20px 60px rgba(89,228,255,.18));
}

.stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}

.stat{
  padding:16px;
  border:1px solid rgba(255,255,255,.06);
  border-radius:15px;
  background:rgba(0,0,0,.18);
}

.stat strong{
  display:block;
  font-size:19px;
  color:var(--cyan);
}

.stat span{
  color:var(--muted);
  font-size:12px;
}

.section{
  padding:78px 0;
}

.section-title{
  max-width:760px;
  margin-bottom:30px;
}

.section-title h2{
  margin:0 0 12px;
  font-size:40px;
  letter-spacing:-.02em;
}

.section-title p{
  margin:0;
  color:var(--muted);
}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
}

.card h3{margin-top:0}
.card p{color:var(--muted)}

.download-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:stretch;
}

.download-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
}

.code{
  font-family:Consolas,Monaco,monospace;
  font-size:12px;
  word-break:break-all;
  color:var(--green);
  background:#050a16;
  border:1px solid rgba(255,255,255,.06);
  border-radius:10px;
  padding:12px;
}

.spec-table{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}

.spec{
  padding:18px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.02);
}

.spec b{
  display:block;
  color:var(--cyan);
  margin-bottom:4px;
}

.spec span{color:var(--muted)}

.notice{
  padding:18px 20px;
  border:1px solid rgba(101,242,186,.35);
  border-radius:16px;
  background:rgba(101,242,186,.06);
  color:#d9fff0;
}

.footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  padding:34px 0;
  color:var(--muted);
  font-size:14px;
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:24px;
}

.footer a{
  color:var(--muted);
  text-decoration:none;
}

.footer a:hover{color:var(--white)}

@media(max-width:900px){
  .hero{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .download-box{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:48px}
  .nav-links{display:none}
}

@media(max-width:560px){
  .container{padding:0 18px}
  h1{font-size:40px}
  .stats{grid-template-columns:1fr}
}