:root{
  --bg:#0b0f14;
  --panel:#111827;
  --text:#e5e7eb;
  --muted:#a7b0bd;
  --line:#243244;
  --accent:#ffffff;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px}

.top{position:sticky;top:0;z-index:10;background:rgba(11,15,20,.85);backdrop-filter: blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand:hover{opacity:.95}
.brand-logo{
  width:48px;
  height:48px;
  object-fit:contain;
  border-radius:12px;
}

.menu{display:flex;gap:14px;flex-wrap:wrap}
.menu a{font-size:14px;color:var(--muted)}
.menu a:hover{color:var(--text)}

.hero{padding:52px 0 26px 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
h1{margin:0 0 10px 0;font-size:38px;line-height:1.1}
.lead{color:var(--muted);font-size:16px;line-height:1.6;max-width:60ch}

.cta{margin-top:16px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text);font-weight:700}
.btn:hover{border-color:#3a4c66}
.btn.primary{background:var(--accent);color:#0b0f14;border-color:transparent}
.btn.primary:hover{opacity:.92}

.badges{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.badges span{font-size:12px;padding:8px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}

.section{padding:42px 0}
.section.alt{background:linear-gradient(180deg,rgba(17,24,39,.25),rgba(11,15,20,0))}
h2{margin:0 0 14px 0;font-size:26px}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}

.box,.card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  background:rgba(17,24,39,.35);
}
.box h3{margin:0 0 8px 0}
.box p{margin:0 0 10px 0;color:var(--muted);line-height:1.55}
.box ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.6}

.card-title{font-weight:800;margin-bottom:10px}
.specs{margin:0;padding-left:18px;line-height:1.8;color:var(--muted)}
.note{margin-top:10px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px}

.form{margin-top:14px;display:grid;gap:12px}
label{display:grid;gap:7px;font-size:13px;color:var(--muted)}
input,textarea{
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(11,15,20,.6);
  color:var(--text);
  outline:none;
}
input:focus,textarea:focus{border-color:#3a4c66}
.footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  h1{font-size:30px}
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
}