:root{
  --bg:#050b12; --bg2:#07131f; --panel:#0b1925; --panel2:#0e2232;
  --text:#f4f7fb; --muted:#a9bdcc; --line:#20445d;
  --accent:#168bff; --cyan:#24c7ff; --good:#56de76; --warn:#f2bd4d;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.58}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(5,11,18,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(71,128,164,.25)}
.nav{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brandmark{font-size:32px;font-weight:900;letter-spacing:-3px;color:var(--accent)}
.brandtext{line-height:1.03}.brandtext b{display:block;font-size:14px;letter-spacing:.12em}.brandtext small{display:block;font-size:9px;color:#78baff;letter-spacing:.23em;margin-top:4px}
.links{display:flex;gap:19px;margin-left:auto;font-size:13px;color:#d9e3eb}.links a{padding:9px 0;border-bottom:2px solid transparent}.links a:hover,.links a.active{color:white;border-color:var(--accent)}
.menu{display:none;margin-left:auto;background:none;color:white;border:1px solid var(--line);border-radius:8px;width:44px;height:44px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:8px;border:1px solid transparent;font-weight:700;font-size:13px;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),#0d67c6);color:white}
.btn-outline{border-color:#317aa8;background:#07141f;color:white}
.btn-soft{background:#0d2538;border-color:#245470;color:#dcebf5}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(22,139,255,.18),transparent 34%),linear-gradient(180deg,#07131f,#050b12)}
.hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(81,146,187,.26) 1px,transparent 1px),linear-gradient(90deg,rgba(81,146,187,.26) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(black,transparent 90%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;min-height:650px;padding:80px 0}
.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:800;color:#8bc7ff;margin-bottom:12px}
h1,h2,h3{line-height:1.08;margin-top:0}
h1{font-size:clamp(46px,6.3vw,78px);letter-spacing:-.045em;margin-bottom:17px}
h2{font-size:clamp(34px,4.2vw,52px);letter-spacing:-.03em;margin-bottom:15px}
h3{font-size:20px;margin-bottom:9px}
.lead{font-size:20px;color:#d0dfeb}
.muted{color:var(--muted)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.status-board{background:rgba(6,19,31,.92);border:1px solid #2a678e;border-radius:14px;padding:22px;box-shadow:0 24px 80px rgba(0,0,0,.4)}
.status-head{font-weight:800;margin-bottom:12px}.status-row{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid rgba(85,145,182,.14);font-size:13px}.status-row:last-child{border-bottom:0}.ok{color:var(--good);font-weight:800}
.signal{height:95px;margin-top:17px;border:1px solid #204d69;border-radius:8px;display:flex;align-items:center;padding:10px;color:var(--cyan)}
.signal svg{width:100%;height:65px}
.section{padding:84px 0}.section-dark{background:#07131f}.section-blue{background:linear-gradient(135deg,#082033,#0b2b45)}
.section-head{max-width:800px;margin-bottom:36px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;min-width:0}.card p{color:var(--muted);font-size:14px}.card .icon{font-size:27px;color:#54b7ff;margin-bottom:13px}
.card.selectable{cursor:pointer;transition:.2s}.card.selectable:hover,.card.selectable.selected{border-color:#4aaeff;background:#0d2333;transform:translateY(-2px)}
.arch{display:grid;grid-template-columns:1fr auto 1.15fr auto 1fr auto 1fr;align-items:stretch;gap:10px}.arch .arrow{display:grid;place-items:center;color:var(--cyan);font-size:25px}
.arch-card{background:#0b1d2b;border:1px solid #26526e;border-radius:12px;padding:22px;text-align:center}.arch-card b{display:block;margin:10px 0}.arch-card p{font-size:13px;color:var(--muted);margin:0}
.pillrow{display:flex;gap:8px;flex-wrap:wrap}.pill{border:1px solid #2b5b79;border-radius:999px;padding:7px 11px;color:#bad1e1;font-size:12px}
.demo{background:#06131f;border:1px solid #2a688e;border-radius:14px;padding:20px}.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.demo-tab{border:1px solid #2b5a79;background:#0b2030;color:#dce8f0;border-radius:8px;padding:9px 12px;cursor:pointer}.demo-tab.active{border-color:#45aaff;background:#0f3150}.demo-panel{min-height:275px}.demo-block{padding:13px 0;border-bottom:1px solid rgba(74,134,170,.18)}.demo-block:last-child{border-bottom:0}.demo-block span{display:block;color:#79c7ff;font-size:10px;letter-spacing:.15em;font-weight:800}.demo-block b,.demo-block p{display:block;margin:5px 0 0}
.metric{background:#091a27;border:1px solid #244e69;border-radius:10px;padding:18px}.metric strong{font-size:27px;color:white;display:block}.metric span{font-size:12px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.phase{border-top:3px solid var(--accent);background:#0b1b28;padding:20px;border-radius:9px}.phase small{color:#7fc6ff;letter-spacing:.14em;font-weight:800}
.callout{padding:22px;border-left:4px solid var(--cyan);background:#0c2131;font-size:18px;font-weight:700}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.tabbtn{padding:10px 14px;border-radius:8px;border:1px solid #2b5a79;background:#0b1b28;color:#cfe0ec;cursor:pointer}.tabbtn.active{background:#0d365a;border-color:#4aaeff;color:white}.tabpanel{display:none}.tabpanel.active{display:block}
details{background:#0b1a27;border:1px solid #214960;border-radius:10px;padding:15px 18px}details+details{margin-top:10px}summary{cursor:pointer;font-weight:700}details p{color:var(--muted)}
.contactbox{background:linear-gradient(135deg,#092036,#0d2b45);border:1px solid #2a6c94;border-radius:16px;padding:30px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;color:#c9dbe7}.field input,.field textarea,.field select{background:#07141f;color:white;border:1px solid #28506b;border-radius:8px;padding:12px;min-height:46px}.field textarea{min-height:125px;resize:vertical}
.notice{font-size:12px;color:#92adbf}.success{display:none;margin-top:12px;color:var(--good);font-weight:700}
footer{border-top:1px solid #1d3a4e;padding:32px 0;background:#04090e}.foot{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.foot p{margin:0;color:#829cad;font-size:12px}
.page-hero{padding:88px 0 58px;background:radial-gradient(circle at 80% 20%,rgba(22,139,255,.15),transparent 32%),#07131f}.page-hero p{max-width:760px}
.interactive-note{font-size:12px;color:#8ba8ba;margin-top:8px}
.reveal{opacity:0;transform:translateY(10px);transition:.5s}.reveal.in{opacity:1;transform:none}
@media(max-width:980px){
  .links{display:none;position:absolute;top:72px;left:18px;right:18px;background:#07131f;border:1px solid var(--line);border-radius:12px;padding:16px;flex-direction:column}.links.open{display:flex}
  .menu{display:block}.nav>.btn{display:none}
  .hero-grid,.grid-2{grid-template-columns:1fr}.hero-grid{min-height:auto;padding:65px 0}.arch{grid-template-columns:1fr}.arch .arrow{transform:rotate(90deg)}
  .grid-4,.timeline{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .wrap{width:min(var(--max),calc(100% - 24px))}.section{padding:62px 0}.page-hero{padding:65px 0 44px}
  .grid-3,.grid-4,.timeline,.formgrid{grid-template-columns:1fr}.field.full{grid-column:auto}.foot{grid-template-columns:1fr}
  h1{font-size:44px}.lead{font-size:18px}
}