:root{
  --bg:#0b0f14;
  --surface:#111723;
  --muted:#9aa7b2;
  --text:#f2f5f8;
  --accent:#00c8ff;
  --accent-2:#00e5ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
  background: radial-gradient(1200px 600px at 80% -20%, rgba(0,200,255,.08), transparent 60%) , var(--bg);
  color:var(--text);
}

.container{width:min(1120px,92vw); margin:0 auto}

.nav{
  position:sticky; top:0; z-index:20;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(10,14,20,.9), rgba(10,14,20,.5));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-logo{width:36px;height:36px}
.brand-name{font-weight:800;letter-spacing:.2px}

.menu{display:flex;align-items:center;gap:18px}
.menu a{color:var(--text);text-decoration:none;opacity:.9}
.menu a:hover{opacity:1}
.btn{
  padding:10px 16px;border:1px solid rgba(255,255,255,.14);
  border-radius:10px;text-decoration:none;color:var(--text);font-weight:600;
}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#01212a; border-color:transparent; box-shadow:0 8px 22px rgba(0,200,255,.25)}
.btn.ghost{background:transparent}
.btn:hover{transform:translateY(-1px);transition:.15s ease}

.hero{display:grid;grid-template-columns:1.1fr .9fr; gap:28px; align-items:center; padding:72px 0}
.hero h1{font-size:48px;line-height:1.05;margin:0 0 12px;font-weight:800;letter-spacing:.3px}
.hero p{color:var(--muted);font-size:18px;margin:0 0 20px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual .logo-wrap{display:flex;align-items:center;justify-content:center;padding:24px;border-radius:24px;background:linear-gradient(145deg,#0d141d,#0a0f14);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06), 0 20px 60px rgba(0,0,0,.35)}
.hero-visual img{width:100%;max-width:360px;filter:drop-shadow(0 12px 32px rgba(0,200,255,.25))}

.about{padding:40px 0 24px}
.about .grid{display:grid;grid-template-columns:1.1fr .9fr; gap:28px}
.card-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px 16px}
.card h3{margin:6px 0 8px}
.card p{margin:0;color:var(--muted)}

.promise{background:radial-gradient(900px 400px at 20% -10%, rgba(0,200,255,.08), transparent 60%), #0a0f14; padding:50px 0; border-top:1px solid rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.06)}
.promise h2{text-align:center;margin:0 0 14px}
.pillars{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:10px 0 22px;padding:0;list-style:none}
.pillars li{padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03)}

.banner-wrap{display:flex;justify-content:center}
.banner-wrap img{width:100%;max-width:980px;border-radius:14px;opacity:.9;border:1px solid rgba(255,255,255,.06)}

.contact{padding:56px 0}
.contact-card{background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px}
.contact .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
input,textarea{width:100%;padding:12px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:#0d141c;color:var(--text);font:inherit}
textarea{min-height:120px;resize:vertical}
.status{color:var(--muted);margin-top:8px}

.footer{padding:22px 0;background:#0a0f14;border-top:1px solid rgba(255,255,255,.06)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand img{width:28px;height:28px}
.foot-links{display:flex;gap:12px;flex-wrap:wrap}
.copy{color:var(--muted)}
@media (max-width:900px){
  .hero{grid-template-columns:1fr; text-align:center}
  .about .grid{grid-template-columns:1fr}
  .card-list{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .menu a:not(.btn){display:none}
  .card-list{grid-template-columns:1fr}
  .hero h1{font-size:36px}
}