:root{
  --bg:#0b1220;
  --card:#0f1a2b;
  --muted:#7ea6c7;
  --text:#e7f3ff;
  --brand:#1fa2ff;
  --brand2:#12d8fa;
  --brand3:#a6ffcb;
  --accent: linear-gradient(135deg,var(--brand),var(--brand2),var(--brand3));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(31,162,255,.25), transparent 60%),
             radial-gradient(1000px 600px at 90% -20%, rgba(18,216,250,.15), transparent 60%),
             var(--bg);
  line-height:1.6;
}

.container{width:min(1100px,92%);margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:99;
  background:rgba(11,18,32,.6);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .container{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);font-weight:700}
.brand-logo{width:40px;height:40px;border-radius:10px;box-shadow:0 4px 16px rgba(0,0,0,.35)}
.brand-name{letter-spacing:.3px}

.nav-toggle{display:none;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;border-radius:2px}
.nav-links{display:flex;gap:24px;list-style:none;margin:0;padding:0}
.nav a{color:var(--text);text-decoration:none;opacity:.9}
.nav a:hover{opacity:1}

.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:96px 0 64px;
}
.water-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(40% 30% at 30% 10%, rgba(31,162,255,.35) 0%, transparent 60%),
    radial-gradient(35% 25% at 70% 0%, rgba(18,216,250,.25) 0%, transparent 70%),
    radial-gradient(60% 50% at 50% 10%, rgba(166,255,203,.15) 0%, transparent 80%);
  mask-image: 
    radial-gradient(120% 80% at 50% -10%, rgba(0,0,0,.9), rgba(0,0,0,0.3) 60%);
}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.1;margin:0 0 12px}
.hero p{max-width:60ch;opacity:.9;margin:0 0 24px}
.hero-art img{width:100%;max-width:420px;display:block;margin-inline:auto;filter:drop-shadow(0 20px 50px rgba(0,0,0,.4));border-radius:16px}

.btn{display:inline-block;padding:12px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.15);
  text-decoration:none;color:var(--text);font-weight:600}
.btn.primary{background:var(--accent);-webkit-background-clip:text;background-clip:text;color:transparent;border-color:transparent;position:relative}
.btn.primary::before{content:"";position:absolute;inset:0;border-radius:12px;background:var(--accent);z-index:-1;opacity:.22}
.btn.ghost:hover{border-color:rgba(255,255,255,.35)}

.section{padding:80px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));border-block:1px solid rgba(255,255,255,.06)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}

.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.card h3{margin-top:0}
.badges{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:14px 0 0;list-style:none}
.badges li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:8px 12px;border-radius:999px}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}
.stats .num{display:block;font-weight:800;font-size:28px;background:var(--accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats .label{display:block;font-size:12px;color:var(--muted)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service .icon{font-size:28px}
.service ul{margin:10px 0 0 18px;color:var(--muted)}

.contact-list{list-style:none;padding:0;margin:14px 0 0}
.contact-list a{color:var(--text)}

.contact-form label{display:block;margin-bottom:12px}
.contact-form label span{display:block;margin-bottom:8px;color:var(--muted)}
.contact-form input,.contact-form textarea{
  width:100%;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.15);
  background:#0b1322;color:var(--text);outline: none;
}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px}
.checkbox{display:flex;align-items:center;gap:8px;color:var(--muted)}

.footer{padding:28px 0;border-top:1px solid rgba(255,255,255,.06);background:rgba(11,18,32,.65)}
.footer .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.back-to-top{color:var(--text);text-decoration:none;opacity:.8}
.back-to-top:hover{opacity:1}

@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr;gap:20px}
  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex;flex-direction:column;gap:2px}
  .nav-links{position:absolute;right:16px;top:64px;background:rgba(11,18,32,.98);padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.06);display:none;flex-direction:column}
  .nav-links.open{display:flex}
}