:root{
 --blue:#195999;
 --blue-dark:#123f70;
 --blue-light:#3979b8;
 --bg:#f2f2f2;
 --surface:#ffffff;
 --ink:#18324a;
 --muted:#647786;
 --line:#d8e1e8;
 --success:#65b832;
 --shadow:0 16px 42px rgba(25,89,153,.11);
 --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.58}
a{text-decoration:none;color:var(--blue)}
a:hover{text-decoration:underline}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:var(--blue-dark);color:#fff;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:7px 0}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand img{width:245px;height:auto;display:block}
.navlinks{display:flex;gap:22px;align-items:center}
.navlinks a{color:var(--ink);font-weight:700;font-size:.92rem}
.navlinks a:hover{color:var(--blue);text-decoration:none}
.btn{display:inline-block;background:var(--blue);color:#fff!important;padding:11px 17px;border-radius:8px;font-weight:800;border:0}
.btn:hover{background:var(--blue-dark);text-decoration:none}
.btn-outline{background:#fff;color:var(--blue)!important;border:2px solid var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;font-size:1.5rem;color:var(--blue)}
.hero{background:linear-gradient(145deg,#fff 0%,#fff 62%,#e8eef4 100%);padding:64px 0 58px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.eyebrow{color:var(--blue);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900}
h1,h2,h3{color:var(--ink)}
h1{font-size:clamp(2.8rem,5.5vw,5.15rem);line-height:1.02;margin:.45rem 0 1rem;letter-spacing:-.035em}
h1 span{color:var(--blue)}
h2{font-size:clamp(1.8rem,3vw,2.65rem);line-height:1.15;margin:.35rem 0 1rem}
h3{font-size:1.08rem}
.lead{font-size:1.14rem;color:var(--muted);max-width:700px}
.hero-art{background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}
.hero-art img{display:block;width:100%;border-radius:15px}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}
.quickfacts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:27px}
.quickfact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:0 7px 20px rgba(25,89,153,.06)}
.quickfact strong{display:block;color:var(--blue);font-size:1rem}
.quickfact span{font-size:.82rem;color:var(--muted)}
.section{padding:64px 0}
.section.white{background:#fff}
.section-head{max-width:800px;margin-bottom:30px}
.section-head p{color:var(--muted);margin:0}
.layers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.layer{background:#fff;border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:var(--radius);padding:23px;box-shadow:0 9px 26px rgba(25,89,153,.06)}
.layer-number{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900;margin-bottom:14px}
.layer p{color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 9px 26px rgba(25,89,153,.06)}
.card p{color:var(--muted)}
.feature-list{display:grid;gap:10px;padding:0;margin:16px 0 0;list-style:none}
.feature-list li{display:flex;gap:10px;align-items:flex-start}
.check{width:22px;height:22px;border-radius:50%;background:#e6f2dc;color:#3d7e1b;display:grid;place-items:center;flex:none;font-size:.76rem;font-weight:900}
.callout{background:var(--blue-dark);color:#fff;border-radius:20px;padding:32px}
.callout h2,.callout h3,.callout p{color:#fff}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare .card:first-child{border-top:5px solid var(--blue)}
.compare .card:last-child{border-top:5px solid var(--success)}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.phase{text-align:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.phase .n{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;margin:0 auto 10px;font-weight:900}
.phase p{color:var(--muted);font-size:.88rem}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
.spec-table th,.spec-table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left}
.spec-table th{width:32%;background:#edf2f6;color:var(--ink)}
.spec-table td{color:var(--muted)}
.notice{font-size:.88rem;color:var(--muted);margin-top:15px}
.cta{background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;border-radius:22px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2,.cta p{color:#fff;margin-top:0}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:30px 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:34px;align-items:start}
.footer-logo{width:225px}
.dev{width:155px}
.footer-grid p{color:var(--muted)}
@media(max-width:920px){
 .hero-grid,.compare{grid-template-columns:1fr}
 .layers{grid-template-columns:1fr 1fr}
 .grid-3{grid-template-columns:1fr 1fr}
 .process{grid-template-columns:1fr 1fr 1fr}
 .quickfacts{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr}
 .menu-toggle{display:block}
 .navlinks{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;padding:16px 4%;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}
 .navlinks.open{display:flex}
}
@media(max-width:560px){
 .layers,.grid-3,.process,.quickfacts{grid-template-columns:1fr}
 .topbar .container{flex-direction:column;gap:2px}
 .hero{padding:48px 0}
}