:root{--ink:#0d131a;--text:#2b3138;--muted:#5b636c;--line:#e3e6ea;--bg:#fff;--alt:#f4f5f7;--acc:#2f4aa8;--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo img{height:62px;width:auto}
nav ul{list-style:none;display:flex;gap:34px}
nav a{text-decoration:none;font-weight:500;color:var(--ink);font-size:15px;letter-spacing:.3px;padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a.on{border-color:var(--acc)}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 8px}
.hero{position:relative;min-height:540px;display:flex;align-items:flex-end;color:#fff;background:#222 center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,19,26,.35),rgba(13,19,26,.82))}
.hero .wrap{position:relative;padding-top:120px;padding-bottom:64px;width:100%}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:600;line-height:1.12;max-width:820px}
.hero p.lead{font-size:clamp(17px,2vw,20px);margin-top:16px;max-width:680px;opacity:.95}
.hero.small{min-height:380px}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.hero .cols3>div{border-top:2px solid var(--acc);padding-top:14px}
.hero .cols3 h6{color:#fff;font-size:17px;font-weight:600;margin-bottom:6px}
.hero .cols3 p{font-size:14.5px;opacity:.9}
.btn{display:inline-block;background:var(--acc);color:#fff;text-decoration:none;font-weight:500;padding:13px 28px;border:0;cursor:pointer;font-size:15px;font-family:inherit;letter-spacing:.3px}
.btn:hover{background:#243a86}
.hero .btn{margin-top:34px}
section.blk{padding:88px 0}
section.alt{background:var(--alt)}
h2,h3.t{font-size:clamp(26px,3.2vw,36px);font-weight:600;color:var(--ink);line-height:1.2;margin-bottom:18px}
h4,h5{font-size:19px;font-weight:600;color:var(--ink);line-height:1.3}
h6{font-size:17px;font-weight:600;color:var(--ink)}
p+p{margin-top:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{width:100%;height:100%;max-height:520px;object-fit:cover}
.stats{display:flex;gap:48px;margin:30px 0}
.stats strong{display:block;font-size:42px;font-weight:600;color:var(--acc);line-height:1}
.stats span{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
.cert{display:flex;gap:24px;align-items:center;margin-top:22px}
.cert img{height:90px;width:auto;object-fit:contain}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px}
.features div{background:#fff;padding:26px;border-left:3px solid var(--acc)}
.features h6{margin-bottom:8px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery img:first-child{grid-row:span 2;aspect-ratio:auto;height:100%}
.svc{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.svc:nth-child(even) .svc-img{order:2}
.svc img{width:100%;aspect-ratio:4/3;object-fit:cover}
.svc h4{margin-bottom:10px;font-size:22px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:34px}
.projects figure{background:#fff}
.projects img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:zoom-in}
.projects figcaption{padding:14px 2px 6px;font-weight:600;color:var(--ink);font-size:16px;line-height:1.35}
.clients{background:#fff;padding:24px;margin-top:30px;max-width:900px}
.form{display:grid;gap:16px}
.form label{font-size:14px;font-weight:500;color:var(--ink)}
.form input,.form textarea{width:100%;padding:12px 14px;border:1px solid #c9ced4;font:inherit;background:#fff}
.form textarea{min-height:150px;resize:vertical}
.info{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px}
.map{width:100%;height:380px;border:0;margin-top:34px}
footer{background:var(--ink);color:#c9ced4;padding:64px 0 28px;font-size:15px}
footer .grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
footer h5{color:#fff;margin-bottom:10px}
footer .lbl{color:#fff;font-weight:600;letter-spacing:.6px;font-size:13px;margin-bottom:8px}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer form{display:flex;margin-top:4px}
footer input{flex:1;min-width:0;padding:11px 12px;border:0;font:inherit}
footer button{padding:0 16px}
footer .copy{border-top:1px solid #2a323b;margin-top:44px;padding-top:20px;font-size:13px;color:#8b939c}
.lb{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;z-index:99;padding:20px;cursor:zoom-out}
.lb.on{display:flex}
.lb img{max-height:90vh;width:auto}
@media(max-width:900px){
 nav{position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
 nav.open{display:block}
 nav ul{flex-direction:column;gap:0;padding:8px 20px 16px}
 nav li a{display:block;padding:12px 0;border:0}
 .burger{display:block}
 .cols3,.features,.split,.svc,.info,footer .grid{grid-template-columns:1fr}
 .svc:nth-child(even) .svc-img{order:0}
 .projects,.gallery{grid-template-columns:1fr 1fr}
 .gallery img:first-child{grid-row:auto;aspect-ratio:4/3}
 section.blk{padding:60px 0}
 .hero{min-height:480px}
}
@media(max-width:560px){.logo img{height:48px}.projects,.gallery{grid-template-columns:1fr}.stats{gap:30px}}