:root{
  --navy:#15212F;--navy-2:#172535;--navy-3:#1D2C3E;
  --orange:#EF7C00;--orange-d:#d96f00;
  --white:#fff;--gray:#B3B3B3;--band:#8A8A90;--card:#ECECEE;
  --line:rgba(255,255,255,.12);--maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',system-ui,sans-serif;color:var(--navy);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.orange{color:var(--orange)}
h2.sec-title{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.01em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange)}
.eyebrow::after{content:"";width:26px;height:1px;background:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;letter-spacing:.03em;padding:13px 26px;border-radius:2px;cursor:pointer;transition:.2s;border:1.5px solid transparent}
.btn-orange{background:var(--orange);color:#fff}.btn-orange:hover{background:var(--orange-d)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:transparent;color:var(--orange);border-color:var(--orange)}.btn-outline:hover{background:var(--orange);color:#fff}

/* header */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:60;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:34px;height:78px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:.06em;color:#fff}
.logo svg{width:38px;height:38px;flex:none}
.logo .mark{flex:none;display:flex;align-items:center}
.logo .mark img{height:34px;width:auto;display:block}
.logo .wordmark{height:20px;width:auto;display:block}
.footer .logo .wordmark{height:17px}
.menu{display:flex;gap:24px;margin-left:8px;font-size:13.5px;font-weight:600}
.menu a{color:#cfd6de;padding:6px 0;transition:.15s}.menu a:hover{color:#fff}.menu a.active{color:var(--orange)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:20px}
.lang{display:flex;gap:6px;font-size:13px;font-weight:600}
.lang button{background:none;border:none;color:#8996a4;cursor:pointer;font:inherit;padding:2px 4px}
.lang button.on{color:#fff;border-bottom:2px solid var(--orange)}
.phone{font-weight:700;font-size:15px;color:#fff;white-space:nowrap}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:26px;height:2px;background:#fff;border-radius:2px}
.mobile-menu{position:fixed;inset:0;background:var(--navy);z-index:80;transform:translateX(100%);transition:.3s;padding:26px;display:flex;flex-direction:column;gap:6px}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{font-size:19px;font-weight:700;padding:14px 0;border-bottom:1px solid var(--line);color:#dbe1e8}
.mobile-menu .close{align-self:flex-end;background:none;border:none;color:#fff;font-size:30px;cursor:pointer;margin-bottom:10px}

/* page hero (внутренние страницы) */
.phero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:64px 0}
.phero .eyebrow{color:#fff;opacity:.85}
.phero h1{font-size:clamp(28px,3.6vw,46px);font-weight:800;margin-top:14px;line-height:1.1}
.phero .psub{margin-top:16px;color:#c8d0d9;max-width:620px;font-size:16px}
.phero-img{margin-top:34px;border-radius:6px;overflow:hidden;max-height:420px}
.phero-img img{width:100%;height:100%;object-fit:cover}
.crumbs{font-size:13px;color:#8b97a4;margin-bottom:6px}
.crumbs a:hover{color:#fff}

/* generic section */
.section{padding:72px 0}
.section.grey{background:#f4f5f7}
.section.dark{background:var(--navy);color:#fff}
.lead-2{margin-top:14px;color:#5f6a76;max-width:620px}

/* product cards grid */
.prod-grid{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.prod-card{background:var(--card);color:var(--navy);border-radius:3px;display:flex;gap:20px;padding:22px;align-items:center;position:relative;overflow:hidden;transition:.2s}
.prod-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--orange);transform:scaleY(0);transform-origin:top;transition:.25s}
.prod-card:hover{transform:translateY(-3px);box-shadow:0 20px 40px -20px rgba(0,0,0,.35)}
.prod-card:hover::before{transform:scaleY(1)}
.prod-card .ph{width:120px;height:150px;flex:none;background:#fff;border-radius:3px;display:grid;place-items:center;padding:8px}
.prod-card .ph img{max-height:100%;width:auto;object-fit:contain}
.prod-card h3{font-size:18px;font-weight:800}
.prod-card ul{margin-top:12px;list-style:none;display:flex;flex-direction:column;gap:5px}
.prod-card li{font-size:12px;color:#3b4550;padding-left:14px;position:relative;font-weight:500}
.prod-card li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;background:var(--orange);border-radius:50%}
.prod-card .more{margin-top:14px;font-size:12px;font-weight:700;color:var(--orange);text-transform:uppercase;letter-spacing:.04em}

/* spec table */
.spec{width:100%;border-collapse:collapse;margin-top:18px;font-size:13.5px}
.spec tr{border-bottom:1px solid #e6e6ea}
.spec td{padding:12px 14px;vertical-align:top}
.spec td:first-child{color:#5f6a76;width:52%}
.spec td:last-child{font-weight:600}
.tabbar{display:flex;gap:0;margin-top:24px;border-bottom:1px solid #e2e2e6;flex-wrap:wrap}
.tabbar button{background:none;border:none;font:inherit;font-size:14px;font-weight:600;color:#5f6a76;padding:12px 18px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabbar button.on{color:var(--navy);border-color:var(--orange)}
.tabpane{display:none}.tabpane.on{display:block}

/* doc list (instructions/programs) */
.doclist{margin-top:34px;display:flex;flex-direction:column;gap:12px}
.docrow{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid #e6e6ea;border-radius:4px;padding:18px 22px;transition:.18s}
.docrow:hover{border-color:var(--orange);box-shadow:0 10px 26px -16px rgba(0,0,0,.3)}
.docrow .di{width:44px;height:44px;flex:none;border-radius:8px;background:rgba(239,124,0,.12);display:grid;place-items:center;color:var(--orange)}
.docrow .dt{flex:1}
.docrow .dt h4{font-size:15px;font-weight:700}
.docrow .dt p{font-size:12.5px;color:#78828d;margin-top:3px}
.docrow .dl{font-size:12px;font-weight:700;color:var(--orange);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;display:flex;align-items:center;gap:6px;cursor:pointer}
.filterbar{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.filterbar input,.filterbar select{border:1px solid #d8d8de;border-radius:3px;padding:11px 14px;font:inherit;font-size:14px;min-width:200px;flex:1}
.filterbar input:focus,.filterbar select:focus{outline:none;border-color:var(--orange)}

/* service page */
.svc-order{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;margin-top:8px}
.svc-photo{border-radius:6px;overflow:hidden;aspect-ratio:1/1.05}
.svc-photo img{width:100%;height:100%;object-fit:cover}
.svc-body h2{font-size:clamp(24px,2.6vw,34px);font-weight:800}
.svc-body .sub-h{font-size:16px;font-weight:800;margin:22px 0 10px;color:var(--navy)}
.svc-body p{color:#4a5561;margin-bottom:14px;font-size:15px;border-left:3px solid transparent}
.svc-body .accent{border-left:3px solid var(--orange);padding-left:16px}
.warranty{background:var(--navy);color:#fff;border-radius:6px;padding:26px 28px;margin-top:26px}
.warranty h4{color:var(--orange);font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.warranty ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.warranty li{padding-left:18px;position:relative;color:#dfe4ea;font-size:14px}
.warranty li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* accordion (docs) */
.acc{background:#fff;border-radius:4px;overflow:hidden;border:1px solid #ececef}
.acc-item+.acc-item{border-top:1px solid #ececef}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;background:none;border:none;cursor:pointer;font:inherit;text-align:left}
.acc-head .t{font-size:15px;font-weight:800;text-transform:uppercase;letter-spacing:.03em;color:var(--orange)}
.acc-head .chev{color:var(--orange);transition:.25s}
.acc-item.open .chev{transform:rotate(180deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.acc-item.open .acc-body{max-height:700px}
.acc-body ul{list-style:none;padding:2px 22px 20px}
.acc-body li{font-size:13.5px;padding:9px 0 9px 18px;border-bottom:1px solid #f1f1f3;position:relative;color:#333d48;font-weight:500}
.acc-body li:last-child{border-bottom:none}
.acc-body li::before{content:"";position:absolute;left:0;top:15px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* stats band */
.stats{background:var(--navy);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{position:relative;padding-left:24px}
.stat:not(:first-child)::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.15)}
.stat .num{font-size:clamp(40px,5vw,58px);font-weight:800;color:var(--orange);line-height:1}
.stat .lbl{margin-top:8px;font-size:13px;color:#c3ccd6;font-weight:500;max-width:170px}

/* values grid (about) */
.vals{display:grid;grid-template-columns:1fr 1fr;gap:26px 48px;margin-top:20px}
.val{border-left:3px solid var(--orange);padding-left:18px}
.val h4{font-size:16px;font-weight:800;text-transform:uppercase}
.val p{font-size:14px;color:#5f6a76;margin-top:6px}

/* two-col with framed image (about founding) */
.framed{margin-top:26px;border:1px solid #e2e2e6;border-radius:6px;padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.framed img{border-radius:6px;width:100%;object-fit:cover}

/* contacts + footer */
.contacts{background:var(--navy);color:#fff;padding:64px 0 0;position:relative}
.contacts::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--orange)}
.cont-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-bottom:60px}
.cont-info h2{font-size:clamp(28px,3.2vw,40px);font-weight:800;margin:8px 0 26px}
.cont-rows{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px;max-width:520px}
.cont-rows .k{font-size:12px;color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.cont-rows .v{font-size:15px;color:#dfe4ea;font-weight:500}
.cont-map{border-radius:6px;overflow:hidden;height:320px;border:1px solid var(--line)}
.cont-map iframe{width:100%;height:100%;border:0;filter:grayscale(.3) contrast(1.05)}
.footer{background:var(--navy-2);color:#fff;border-top:1px solid var(--line);padding:32px 0}
.foot-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot-menu{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;font-weight:600;color:#aeb8c3}
.foot-menu a:hover{color:#fff}
.foot-copy{margin-left:auto;font-size:12px;color:#7d8894}

@media(max-width:960px){
  .menu,.header-right .phone{display:none}
  .burger{display:flex}
  .svc-order,.framed,.cont-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:30px 24px}
  .vals{grid-template-columns:1fr}
}
@media(max-width:620px){
  .wrap{padding:0 20px}
  .prod-grid,.cont-rows{grid-template-columns:1fr}
  .foot-copy{margin-left:0;width:100%}
}