:root{
  --blue:#1E50A0;
  --blue-d:#163E7E;
  --blue-bright:#2E6BCB;
  --ink:#141b26;
  --ink-2:#1d2735;
  --muted:#566273;
  --bg:#ffffff;
  --soft:#f1f4f8;
  --soft-2:#e7edf5;
  --line:#dbe2ec;
  --radius:6px;
  --maxw:1200px;
  --ease:cubic-bezier(.3,.6,.3,1);
  --shadow-sm:0 12px 30px -18px rgba(20,40,80,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Roboto","Segoe UI",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:"Saira","Roboto",sans-serif;font-weight:700;line-height:1.08;letter-spacing:-.01em}
p{margin:0 0 1em}
::selection{background:var(--blue);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.section{padding:88px 0}
.soft{background:var(--soft)}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:"Saira";font-weight:600;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--blue)}
.h2{font-size:clamp(28px,3.8vw,44px);text-transform:uppercase}
.lead{font-size:17px;color:var(--muted);max-width:640px}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;font-family:"Saira";text-transform:uppercase;letter-spacing:.03em;border:2px solid transparent;cursor:pointer;transition:.25s var(--ease)}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px)}
.btn--blue{background:var(--blue);color:#fff;box-shadow:0 14px 28px -14px rgba(30,80,160,.7)}
.btn--blue:hover{background:var(--blue-d)}
.btn--line{border-color:var(--line);color:var(--ink);background:#fff}
.btn--line:hover{border-color:var(--blue);color:var(--blue)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* header */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;gap:28px;height:76px}
.brand{margin-right:auto;display:flex;align-items:center;gap:11px}
.brand .bicon{height:38px;width:auto}
.brand .bname{font-family:"Saira";font-weight:700;text-transform:uppercase;font-size:22px;letter-spacing:.04em;color:var(--ink)}
.fbrand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.fbrand .bicon{height:40px;width:auto}
.fbrand .bname{font-family:"Saira";font-weight:700;text-transform:uppercase;font-size:22px;letter-spacing:.04em;color:#fff}
.nav{display:flex;gap:2px}
.nav a{font-family:"Saira";font-weight:500;font-size:15px;padding:9px 16px;color:var(--ink-2);transition:.2s;border-bottom:2px solid transparent}
.nav a:hover{color:var(--blue)}
.nav a.active{color:var(--blue);border-color:var(--blue)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--ink)}

/* home hero full-bleed */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,27,38,.94),rgba(20,27,38,.72) 45%,rgba(20,27,38,.4))}
.hero__in{position:relative;z-index:1;padding:90px 0;max-width:720px}
.hero h1{color:#fff;font-size:clamp(36px,5vw,60px);text-transform:uppercase;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--blue-bright)}
.hero__text{font-size:18.5px;color:#cdd6e2;max-width:540px;margin-bottom:30px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

/* page hero (inner pages) */
.phero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px}
.phero__in{position:relative;padding:60px 0;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.crumbs{font-family:"Saira";font-size:13px;letter-spacing:.05em;color:#90a0b5;text-transform:uppercase;margin-bottom:12px}
.crumbs a:hover{color:var(--blue-bright)}
.phero h1{color:#fff;font-size:clamp(30px,4.4vw,52px);text-transform:uppercase}
.phero .lead{color:#aeb9c8;max-width:480px}

/* spec strip */
.spec{background:var(--blue);color:#fff}
.spec__in{display:grid;grid-template-columns:repeat(4,1fr)}
.spec div{padding:26px;border-right:1px solid rgba(255,255,255,.16)}
.spec div:last-child{border-right:0}
.spec b{font-family:"Saira";font-weight:700;font-size:30px;display:block;line-height:1}
.spec span{font-size:13px;color:#cdd9ee;text-transform:uppercase;letter-spacing:.04em}

/* heads */
.shead{margin-bottom:44px;max-width:720px}
.shead--row{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;max-width:none;flex-wrap:wrap}
.shead--row .lead{margin:0}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split--rev .media{order:2}
.media{overflow:hidden;border:1px solid var(--line)}
.media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ticks{list-style:none;padding:0;margin:24px 0 0}
.ticks li{position:relative;padding-left:30px;margin-bottom:13px;font-weight:500}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;background:var(--blue);clip-path:polygon(0 0,100% 0,100% 100%,30% 100%,0 60%)}

/* two-direction tiles (home) */
.dirs{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.dir{position:relative;min-height:340px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;border-right:1px solid var(--line)}
.dirs .dir:last-child{border-right:0}
.dir img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:.6s var(--ease)}
.dir:hover img{transform:scale(1.05)}
.dir::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,27,38,.1) 30%,rgba(20,27,38,.92));z-index:1}
.dir__b{position:relative;z-index:2;padding:32px}
.dir__b h3{font-family:"Saira";font-size:24px;text-transform:uppercase;margin-bottom:8px}
.dir__b p{color:#d3dbe6;font-size:15px;margin:0 0 14px}
.dir__b .go{font-family:"Saira";font-weight:600;color:var(--blue-bright);display:inline-flex;gap:8px;align-items:center;text-transform:uppercase;font-size:14px}
.dir:hover .go{gap:12px}

/* services rows */
.serv{border:1px solid var(--line)}
.srow{display:grid;grid-template-columns:80px 1.1fr 1.5fr;gap:24px;align-items:center;padding:26px 24px;border-bottom:1px solid var(--line);transition:.2s var(--ease)}
.serv .srow:last-child{border-bottom:0}
.srow:hover{background:var(--soft)}
.srow .num{font-family:"Saira";font-weight:700;font-size:24px;color:var(--blue)}
.srow h3{font-family:"Saira";font-size:21px;text-transform:uppercase}
.srow p{color:var(--muted);font-size:15px;margin:0}

/* materials TABLE */
.mtable{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:15px}
.mtable thead th{background:var(--ink);color:#fff;font-family:"Saira";text-transform:uppercase;letter-spacing:.04em;font-size:13px;text-align:left;padding:16px 22px}
.mtable td{padding:20px 22px;border-bottom:1px solid var(--line);vertical-align:top}
.mtable tbody tr:last-child td{border-bottom:0}
.mtable tbody tr:hover{background:var(--soft)}
.mtable .cat{font-family:"Saira";font-weight:600;font-size:17px;white-space:nowrap}
.mtable .cat svg{width:20px;height:20px;stroke:var(--blue);fill:none;stroke-width:1.7;vertical-align:-4px;margin-right:8px}
.mtable .desc{color:var(--muted)}
.mtable .tag{font-family:"Saira";font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--blue);border:1px solid var(--blue);padding:4px 10px;white-space:nowrap}

/* advantages */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{border:1px solid var(--line);padding:26px}
.feat__ico{width:46px;height:46px;background:var(--ink);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feat__ico svg{width:23px;height:23px;stroke:var(--blue-bright);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feat h3{font-family:"Saira";font-size:17px;margin-bottom:7px;text-transform:uppercase}
.feat p{color:var(--muted);font-size:14.5px;margin:0}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.step{padding:26px;border-right:1px solid var(--line)}
.steps .step:last-child{border-right:0}
.step .n{font-family:"Saira";font-weight:700;font-size:15px;color:var(--blue);border:1px solid var(--blue);width:38px;height:38px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-family:"Saira";font-size:18px;margin-bottom:7px;text-transform:uppercase}
.step p{color:var(--muted);font-size:14.5px;margin:0}

/* cta */
.cta{position:relative;overflow:hidden;color:#fff}
.cta__bg{position:absolute;inset:0;z-index:0}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta>.cta__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(20,27,38,.94),rgba(30,80,160,.66))}
.cta__in{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap;padding:54px}
.cta h2{color:#fff;margin-bottom:10px}
.cta p{color:#d4ddea;margin:0;max-width:480px}

/* contacts */
.contact{display:grid;grid-template-columns:1fr 1.05fr;gap:46px}
.cinfo{border:1px solid var(--line);margin-top:6px}
.crow{display:flex;gap:15px;align-items:flex-start;padding:20px;border-bottom:1px solid var(--line)}
.cinfo .crow:last-child{border-bottom:0}
.crow__ico{width:42px;height:42px;background:var(--soft);display:flex;align-items:center;justify-content:center;flex:none}
.crow__ico svg{width:21px;height:21px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.crow b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:3px;font-family:"Saira"}
.crow a,.crow span{font-weight:500;color:var(--ink);font-size:15.5px}
.form{border:1px solid var(--line);padding:32px;background:#fff}
.form h3{font-family:"Saira";font-size:22px;margin-bottom:6px;text-transform:uppercase}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;font-family:"Saira";text-transform:uppercase;letter-spacing:.03em}
.field input,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius);font:inherit;background:var(--soft);transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.note{font-size:13px;color:var(--muted);margin-top:12px}
#ok{display:none;color:var(--blue);font-weight:700;margin-top:12px}
.map{border:1px solid var(--line);margin-top:42px}
.map iframe{display:block;width:100%;height:360px;border:0}

/* footer */
.footer{background:var(--ink);color:#9fadbe;padding:60px 0 26px}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:42px}
.footer img.flogo{height:42px;margin-bottom:16px;filter:brightness(0) invert(1)}
.footer h4{color:#fff;font-family:"Saira";font-size:15px;margin-bottom:15px;text-transform:uppercase}
.footer a{display:block;margin-bottom:9px;transition:.2s}
.footer a:hover{color:var(--blue-bright)}
.footer__bot{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:#80909f}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (max-width:960px){
  .split,.contact{grid-template-columns:1fr;gap:32px}
  .split--rev .media{order:0}
  .dirs{grid-template-columns:1fr}
  .dir{border-right:0;border-bottom:1px solid var(--line)}
  .feats{grid-template-columns:1fr}
  .steps,.spec__in{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
  .mtable thead{display:none}
  .mtable td{display:block;border-bottom:0;padding:6px 18px}
  .mtable .cat{padding-top:18px}
  .mtable tbody tr{display:block;border-bottom:1px solid var(--line)}
}
@media (max-width:640px){
  .section{padding:60px 0}
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;background:#fff;padding:12px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .burger{display:flex}
  .steps,.spec__in{grid-template-columns:1fr}
  .srow{grid-template-columns:50px 1fr;gap:14px}
  .srow p{grid-column:2}
  .cta__in{padding:36px 24px}
  .phero__in{flex-direction:column;align-items:flex-start}
}

.hphone{display:inline-flex;align-items:center;gap:8px;font-family:"Saira";font-weight:700;font-size:15px;color:var(--ink);white-space:nowrap}
.hphone svg{flex:none}
.hphone:hover{color:var(--blue)}
@media(max-width:860px){.hphone{display:none}}


.contact{grid-template-columns:1fr;max-width:860px}