:root{
  --bg:#0b1220; --bg-soft:#0d1628; --card:#0f1b31; --text:#e6edf7; --muted:#b7c2d6;
  --teal:#11b3a5; --cyan:#1dd4d2; --blue:#2563eb; --glow:0 10px 30px rgba(0,255,200,.12);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}
a{color:#7ee3ff;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{background:linear-gradient(90deg,var(--teal),var(--blue));color:#fff;padding:10px 14px;border-radius:14px;box-shadow:var(--glow);white-space:nowrap}
.btn-ghost{border:1px solid rgba(255,255,255,.18);padding:10px 14px;border-radius:14px;color:#d7e8ff}
/* Nav */
.nav{position:sticky;top:0;background:rgba(10,18,32,.75);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08);z-index:40}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.logo{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(90deg,var(--cyan),var(--blue));color:#07121c;font-weight:900}
.logo.small{width:28px;height:28px;border-radius:8px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text small{color:#86ffe9;opacity:.8}
.links{display:flex;gap:14px;align-items:center}
.links a{color:#cfe7ff;padding:8px 10px;border-radius:10px}
.links a:hover{background:rgba(255,255,255,.08);color:#fff}
.hamburger{display:none;background:transparent;border:0;color:#cfe7ff;font-size:22px}
/* Sections & cards */
.section{padding:64px 0}
.hero{position:relative;overflow:hidden}
.halo::before,.halo::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;z-index:-1}
.halo::before{width:600px;height:600px;background:linear-gradient(135deg,var(--cyan),var(--blue));left:-180px;top:-180px}
.halo::after{width:600px;height:600px;background:linear-gradient(135deg,var(--blue),var(--teal));right:-180px;bottom:-180px;opacity:.22}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:24px;overflow:hidden;box-shadow:var(--glow)}
.card .pad{padding:22px}
.badge{display:inline-block;background:linear-gradient(90deg,var(--cyan),var(--blue));color:#07121c;border-radius:999px;padding:4px 10px;font-weight:800;font-size:12px}
.kv{display:grid;grid-template-columns:180px 1fr;border-top:1px solid rgba(255,255,255,.08)}
.kv div{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.kv div:nth-child(odd){padding-right:16px;color:#afd0ff}
.specs ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;color:#cfe7ff}
.specs li{display:flex;gap:8px;align-items:flex-start}
.imgbox{position:relative;aspect-ratio:16/9;overflow:hidden}
.imgbox img{width:100%;height:100%;object-fit:cover;transform:scale(1);transition:transform .6s ease}
.card:hover .imgbox img{transform:scale(1.03)}
.footer{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;background:#0a1322}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;color:#a9b8d0}
.foot-links{display:flex;gap:18px}
h1{font-size:42px;margin:0} h2{font-size:32px;margin:0} p{color:#c8d6ef}
/* Responsive */
@media (max-width:900px){ .grid-2{grid-template-columns:1fr} .grid-3{grid-template-columns:1fr} .kv{grid-template-columns:140px 1fr} }
@media (max-width:780px){ .links{display:none} .links.open{display:flex;position:absolute;top:64px;left:0;right:0;background:#0b1425;padding:10px 20px;border-bottom:1px solid rgba(255,255,255,.08)} .hamburger{display:block} }
form input,form textarea,form select{width:100%;background:#0a1320;border:1px solid rgba(255,255,255,.12);color:var(--text);border-radius:12px;padding:12px;outline:none}
form input:focus,form textarea:focus,form select:focus{border-color:#3fd8c8;box-shadow:0 0 0 2px rgba(61,232,210,.2)}