:root{
  --ink:#07111f; --navy:#0b1c31; --slate:#536274; --muted:#738092;
  --line:#dbe2ea; --soft:#f4f7fa; --white:#fff; --blue:#2667ff; --blue2:#1749bd;
  --shadow:0 18px 60px rgba(7,17,31,.08); --radius:22px; --container: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;color:var(--ink);background:var(--white);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,226,234,.8)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.14em;font-size:15px}
.brand-mark{width:26px;height:26px;border:2px solid var(--ink);border-radius:8px;display:inline-block;position:relative;transform:rotate(45deg)}
.brand-mark:after{content:"";position:absolute;inset:5px;border:2px solid var(--blue);border-radius:4px}
.nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
.nav a:not(.btn){color:#354254}
.nav a.active,.nav a:not(.btn):hover{color:var(--blue)}
.nav-toggle{display:none;border:0;background:none;font:inherit;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:13px 20px;background:var(--blue);color:#fff;font-weight:750;box-shadow:0 10px 24px rgba(38,103,255,.18);transition:.2s ease}
.btn:hover{transform:translateY(-1px);background:var(--blue2)}
.btn-small{padding:10px 15px;font-size:13px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{background:var(--soft);color:var(--ink)}
.hero{padding:96px 0 82px;background:linear-gradient(180deg,#fff 0%,#f8faff 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:var(--blue);margin-bottom:16px}
h1,h2,h3,h4{line-height:1.1;margin:0}
h1{font-size:clamp(48px,7vw,84px);letter-spacing:-.05em;max-width:900px}
h2{font-size:clamp(34px,4vw,56px);letter-spacing:-.04em}
h3{font-size:22px;letter-spacing:-.025em}
.lead{font-size:20px;max-width:710px;color:var(--slate);margin:26px 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{height:430px;position:relative;display:grid;place-items:center}
.signal-core{width:126px;height:126px;border-radius:34px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:52px;font-weight:850;box-shadow:0 28px 80px rgba(7,17,31,.22);transform:rotate(45deg)}
.signal-core span{transform:rotate(-45deg)}
.signal-orbit{position:absolute;border:1px solid #cbd5e2;border-radius:50%}
.orbit-a{width:280px;height:280px}
.orbit-b{width:410px;height:410px}
.signal-dot{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 8px rgba(38,103,255,.08)}
.dot-a{transform:translate(128px,-112px)}
.dot-b{transform:translate(-188px,70px)}
.dot-c{transform:translate(95px,194px)}
.section{padding:88px 0}
.section.soft{background:var(--soft)}
.section.dark{background:var(--ink);color:#fff}
.section.dark .section-copy,.section.dark .muted,.section.dark .card p{color:#aeb9c8}
.section-heading{max-width:760px;margin-bottom:38px}
.section-copy{font-size:18px;color:var(--slate);margin:18px 0 0}
.grid-2,.grid-3,.grid-4{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;box-shadow:0 1px 0 rgba(7,17,31,.02);transition:.2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.dark .card{background:#0d1b2e;border-color:#213047}
.card p{color:var(--slate);margin:14px 0 18px}
.card-meta{font-size:13px;color:var(--muted);padding-top:3px}
.tag{display:inline-flex;padding:6px 9px;border-radius:999px;background:#edf3ff;color:var(--blue2);font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;margin-bottom:18px}
.text-link{font-weight:750;color:var(--blue);font-size:14px}
.text-link span{display:inline-block;transition:.2s}.text-link:hover span{transform:translateX(3px)}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.metric{padding:26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:27px;letter-spacing:-.03em}
.metric span{font-size:13px;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.checks{display:grid;gap:13px;margin-top:25px}
.check{display:flex;gap:12px;align-items:flex-start}
.check:before{content:"✓";width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:#edf3ff;color:var(--blue);font-weight:900;font-size:12px;flex:0 0 auto;margin-top:2px}
.process{counter-reset:step;display:grid;gap:0}
.process-item{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:27px 0;border-bottom:1px solid var(--line)}
.process-item:before{counter-increment:step;content:"0" counter(step);font-weight:850;color:var(--blue);font-size:17px}
.process-item p{color:var(--slate);margin:8px 0 0}
.banner{border-radius:30px;background:var(--ink);color:#fff;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.banner h2{max-width:720px}
.banner p{color:#b8c3d1;max-width:670px}
.page-hero{padding:78px 0 54px;background:#f8faff;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(44px,6vw,72px)}
.page-hero .lead{margin-bottom:0}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.status{display:inline-flex;gap:8px;align-items:center;border-radius:999px;padding:7px 11px;background:#f1f5f9;font-size:12px;font-weight:750;color:#475569}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:#3b82f6}
.article-list{display:grid;gap:16px}
.article-row{display:grid;grid-template-columns:160px 1fr auto;align-items:center;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}
.article-row time{font-size:13px;color:var(--muted)}
.article-row p{margin:6px 0 0;color:var(--slate)}
.article{max-width:820px;margin:0 auto;padding:70px 0}
.article h1{font-size:clamp(42px,6vw,64px)}
.article .dek{font-size:21px;color:var(--slate);margin:20px 0 32px}
.article h2{font-size:32px;margin:46px 0 16px}
.article h3{font-size:23px;margin:32px 0 12px}
.article p,.article li{font-size:18px;color:#334155}
.article blockquote{margin:34px 0;padding:22px 26px;border-left:3px solid var(--blue);background:var(--soft);font-size:20px;font-weight:650}
.article ul{padding-left:22px}
.callout{padding:24px;border-radius:18px;background:#f0f5ff;border:1px solid #d8e5ff;margin:30px 0}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px}
.form{display:grid;gap:16px}
.form label{font-size:13px;font-weight:750}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;background:#fff}
.form textarea{min-height:150px;resize:vertical}
.form small{color:var(--muted)}
.kicker{font-size:14px;color:var(--muted)}
.muted{color:var(--muted)}
.footer{background:#06101d;color:#dbe5f0;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:50px}
.footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#8da0b6;margin-bottom:16px}
.footer a:not(.brand){display:block;margin:9px 0;color:#c1cddd;font-size:14px}
.footer p{max-width:360px;color:#91a1b5}
.brand-footer .brand-mark{border-color:#fff}
.footer-bottom{border-top:1px solid #1b2b3f;margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;color:#8495a9;font-size:12px}
@media (max-width:960px){
 .nav-toggle{display:block}
 .nav{display:none;position:absolute;top:76px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav.open{display:flex}
 .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
 .hero-visual{height:330px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .metric-row{grid-template-columns:repeat(2,1fr)}
 .metric:nth-child(2){border-right:0}
 .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
 .container{width:min(100% - 28px,var(--container))}
 .hero{padding:68px 0 60px}
 h1{font-size:47px}
 .hero-visual{height:260px}
 .orbit-b{width:270px;height:270px}.orbit-a{width:190px;height:190px}
 .signal-core{width:92px;height:92px;border-radius:24px}
 .dot-a{transform:translate(85px,-75px)}.dot-b{transform:translate(-120px,55px)}.dot-c{transform:translate(64px,124px)}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .metric-row{grid-template-columns:1fr}
 .metric{border-right:0;border-bottom:1px solid var(--line)!important}
 .metric:last-child{border-bottom:0!important}
 .banner{padding:34px;display:block}.banner .btn{margin-top:16px}
 .article-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column}
}