:root{
  --bg:#07111f;
  --bg-2:#0b1d33;
  --card:#10243d;
  --card-2:#132f4e;
  --text:#f4f8ff;
  --muted:#a9bbcf;
  --brand:#28d7ff;
  --brand-2:#6c7cff;
  --accent:#73ffbf;
  --line:rgba(255,255,255,.12);
  --shadow:0 24px 80px rgba(0,0,0,.28);
  --radius:24px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 20% 0%,rgba(40,215,255,.18),transparent 35%),radial-gradient(circle at 85% 15%,rgba(108,124,255,.16),transparent 36%),var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.topbar{background:rgba(7,17,31,.74);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:.2px}.brand-mark{width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:0 12px 40px rgba(40,215,255,.28)}.brand-mark svg{width:28px;height:28px}.brand span small{display:block;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.15em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:10px 14px;color:#d8e6f7;border-radius:999px;font-weight:650;font-size:14px}.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.08);color:#fff}.nav-actions{display:flex;align-items:center;gap:12px}.phone{color:#c7d9ed;font-weight:700;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 18px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03111e;font-weight:800;border:0;box-shadow:0 14px 40px rgba(40,215,255,.24)}.button.secondary{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line);box-shadow:none}.button:hover{transform:translateY(-1px)}.mobile-toggle{display:none;background:none;color:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}.hero{position:relative;overflow:hidden;padding:92px 0 72px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}.eyebrow{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.18em;font-size:12px;margin:0 0 16px}.hero h1,.page-hero h1{font-size:clamp(44px,6vw,76px);line-height:.98;margin:0 0 22px;letter-spacing:-.05em}.hero p.lead,.page-hero p{font-size:clamp(18px,2.2vw,22px);color:#c4d2e4;max-width:690px;margin:0 0 30px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-card{position:relative;min-height:520px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(16,36,61,.72),rgba(19,47,78,.36));border-radius:36px;padding:28px;box-shadow:var(--shadow);overflow:hidden}.mesh{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:38px 38px;mask-image:radial-gradient(circle at center,#000,transparent 72%)}.device{position:absolute;border-radius:28px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);backdrop-filter:blur(12px);box-shadow:0 20px 50px rgba(0,0,0,.28)}.device.gateway{left:48px;top:60px;width:260px;height:170px;padding:22px}.device.sensor{right:40px;top:130px;width:190px;height:190px;border-radius:50%;display:grid;place-items:center}.device.panel{left:76px;bottom:54px;width:360px;padding:22px}.status-line{height:10px;background:rgba(255,255,255,.14);border-radius:20px;margin:13px 0}.status-line.wide{width:88%}.status-line.mid{width:64%}.status-line.short{width:42%}.pulse{width:104px;height:104px;border-radius:50%;background:radial-gradient(circle,var(--accent) 0 16%,rgba(115,255,191,.18) 18% 52%,transparent 54%);box-shadow:0 0 0 18px rgba(115,255,191,.06),0 0 70px rgba(115,255,191,.36)}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{padding:14px;border:1px solid var(--line);border-radius:18px;background:rgba(0,0,0,.16)}.metric strong{display:block;font-size:24px}.section{padding:80px 0}.section.alt{background:rgba(255,255,255,.035);border-block:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(32px,4vw,52px);line-height:1.03;margin:0;letter-spacing:-.04em}.section-head p{max-width:550px;color:var(--muted);margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(16,36,61,.82),rgba(16,36,61,.42));border-radius:var(--radius);padding:28px;box-shadow:0 14px 44px rgba(0,0,0,.18)}.card:hover{transform:translateY(-3px);border-color:rgba(40,215,255,.35)}.icon{width:54px;height:54px;border-radius:17px;background:rgba(40,215,255,.13);display:grid;place-items:center;margin-bottom:20px;color:var(--brand)}.card h3{font-size:22px;margin:0 0 10px}.card p{color:var(--muted);margin:0}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.step{padding:20px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.045)}.step span{display:block;color:var(--brand);font-weight:900;margin-bottom:10px}.step strong{display:block;font-size:18px}.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.panel-box{border:1px solid var(--line);background:linear-gradient(135deg,rgba(40,215,255,.09),rgba(108,124,255,.08));border-radius:34px;padding:34px}.check-list{list-style:none;padding:0;margin:22px 0 0}.check-list li{position:relative;padding-left:32px;margin:12px 0;color:#d8e6f7}.check-list li:before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 22px rgba(115,255,191,.28)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.05)}.stat strong{display:block;font-size:34px;letter-spacing:-.04em}.stat span{color:var(--muted)}.page-hero{padding:72px 0 54px;border-bottom:1px solid var(--line)}.breadcrumb{color:var(--muted);font-weight:700;margin-bottom:16px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.product-card{padding:30px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(19,47,78,.78),rgba(16,36,61,.38))}.product-card .tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(115,255,191,.12);color:var(--accent);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.contact-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}.form{display:grid;gap:14px}.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:16px;padding:15px 16px;background:rgba(255,255,255,.07);color:#fff;font:inherit}.form textarea{min-height:140px;resize:vertical}.form input::placeholder,.form textarea::placeholder{color:#8ea4bb}.footer{padding:54px 0 28px;background:#050d18;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer h4{margin:0 0 12px}.footer p,.footer a{color:var(--muted)}.footer a{display:block;margin:8px 0}.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.mini{padding:22px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.045)}.mini strong{display:block;font-size:20px;margin-bottom:8px}.mini p{margin:0;color:var(--muted)}
@media (max-width:980px){.nav-links,.nav-actions{display:none}.mobile-toggle{display:block}.nav-links.open{display:flex;position:absolute;left:20px;right:20px;top:82px;flex-direction:column;align-items:stretch;padding:18px;background:#081526;border:1px solid var(--line);border-radius:20px}.hero-grid,.split,.contact-card{grid-template-columns:1fr}.hero-card{min-height:430px}.cards,.product-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(3,1fr)}.stats,.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.container{width:min(100% - 28px,var(--max))}.hero{padding:58px 0}.cards,.product-grid,.stats,.footer-grid,.mini-grid{grid-template-columns:1fr}.process{grid-template-columns:1fr 1fr}.hero-actions{flex-direction:column}.button{width:100%}.device.gateway{left:24px;top:50px;width:220px}.device.sensor{right:18px;width:140px;height:140px}.device.panel{left:22px;right:22px;width:auto}.footer-bottom{flex-direction:column}.section-head{display:block}.section-head p{margin-top:14px}}