:root{--ink:#111418;--ink2:#1b2026;--mut:#5b636d;--line:#dde1e6;--acc:#0c5a78;--acc2:#7cc3df;--accl:#e8f2f6;--bg:#fff;--soft:#f6f8fa;--max:1160px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--acc)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:68px}
.top .logo img{height:40px}
nav.menu{display:flex;gap:22px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
nav.menu a{color:var(--ink);text-decoration:none;font-size:14.5px;font-weight:500;white-space:nowrap}
nav.menu a:hover{color:var(--acc)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;flex-shrink:0}
.lang a{padding:5px 11px;font-size:13px;font-weight:600;text-decoration:none;color:var(--mut)}
.lang a.on{background:var(--ink);color:#fff}
/* hero */
.hero{position:relative;color:#fff;background:#0b0f13 center/cover no-repeat;min-height:560px;display:flex;align-items:flex-end}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,12,16,.95) 0%,rgba(9,12,16,.82) 45%,rgba(9,12,16,.35) 100%)}
.hero .wrap{position:relative;padding-top:110px;padding-bottom:70px}
.kick{font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--acc2)}
.hero h1{font-size:clamp(36px,5.4vw,62px);line-height:1.04;margin:14px 0 12px;font-weight:800;letter-spacing:-.02em;max-width:760px}
.hero .tg{color:#c6d3dc;letter-spacing:.06em;font-size:15px}
.hero p.lead{font-size:clamp(17px,2vw,21px);max-width:640px;color:#e4eaef;margin:22px 0 30px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:600;text-decoration:none;font-size:15px}
.btn.pri{background:#fff;color:var(--ink)}
.btn.sec{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn.dark{background:var(--ink);color:#fff}
.btn.out{border:1px solid var(--line);color:var(--ink)}
/* stats */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:-46px;position:relative;z-index:2}
.stat{background:#fff;border:1px solid var(--line);border-top:3px solid var(--acc);border-radius:12px;padding:16px 18px;box-shadow:0 8px 24px rgba(17,20,24,.06)}
.stat b{display:block;font-size:28px;font-weight:800;line-height:1.05;letter-spacing:-.01em}
.stat span{font-size:13.5px;color:var(--mut);line-height:1.35;display:block;margin-top:4px}
/* sections */
section{padding:84px 0}
section.soft{background:var(--soft)}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.1;margin:8px 0 18px;letter-spacing:-.015em}
.intro{max-width:760px;color:var(--mut);font-size:17px;margin:0 0 34px}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}
.own{border-left:3px solid var(--acc);background:var(--accl);padding:14px 18px;border-radius:0 10px 10px 0;margin-top:18px}
.tl{list-style:none;margin:0;padding:0;border-left:2px solid var(--acc)}
.tl li{position:relative;padding:9px 0 9px 20px;display:flex;justify-content:space-between;gap:12px;font-size:15px}
.tl li:before{content:"";position:absolute;left:-7px;top:16px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--acc)}
.tl li:last-child:before{background:var(--acc)}
.tl em{font-style:normal;color:var(--mut);white-space:nowrap;font-size:14px}
.core{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.core div{background:var(--ink);color:#fff;border-radius:12px;padding:18px;text-align:center;font-weight:700;font-size:17px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 10px;font-size:17.5px;color:var(--acc)}
.card ul{margin:0;padding-left:18px;color:#2b3036;font-size:15px}
.card li{margin:3px 0}
.pj{padding:0;overflow:hidden}
.pj img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pj .b{padding:18px 20px 20px}
.pj .c{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc);font-weight:700}
.pj h3{color:var(--ink);font-size:17px;margin:6px 0 10px;line-height:1.3}
.prod{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.prod img.main{border-radius:14px;border:1px solid var(--line);width:100%;aspect-ratio:4/3;object-fit:cover}
.prod .pn{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1}
.prod .ps{font-weight:600;font-size:19px;margin:8px 0 14px}
ul.chk{list-style:none;padding:0;margin:16px 0 26px}
ul.chk li{padding-left:28px;position:relative;margin:7px 0}
ul.chk li:before{content:"✓";position:absolute;left:0;color:var(--acc);font-weight:800}
.kit{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:center;background:var(--accl);border-radius:14px;padding:16px;margin-top:34px}
.kit img{border-radius:10px;aspect-ratio:16/10;object-fit:cover}
.kit small{display:block;color:var(--mut);font-style:italic;margin-top:6px}
.test{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:center}
.big{background:var(--ink);color:#fff;border-radius:16px;aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center}
.big b{font-size:76px;font-weight:800;line-height:1}.big span{color:var(--acc2);font-weight:600;font-size:22px}
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 30px}
.chips span{text-align:center;border:1px solid #b9cfd9;background:var(--accl);color:#0a465e;border-radius:999px;padding:8px 10px;font-size:14px;font-weight:500}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.steps div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;font-size:14.5px}
.steps b{display:flex;margin:0 auto 10px;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;align-items:center;justify-content:center}
.sub{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);font-weight:600;margin-top:22px}
table.pat{width:100%;border-collapse:collapse}
table.pat td{border-bottom:1px solid var(--line);padding:12px 8px 12px 0;font-size:15px;vertical-align:top}
table.pat td.n{font-family:ui-monospace,Menlo,Consolas,monospace;white-space:nowrap;width:210px}
table.pat td.y{color:var(--mut);text-align:right;white-space:nowrap}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid4 .card{border-top:3px solid var(--acc)}
.grid4 .card h3{color:var(--ink);font-size:16.5px}
.contact{background:var(--ink);color:#fff}
.contact .q{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.015em;line-height:1.15;max-width:760px}
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:36px;align-items:end}
.cgrid a{color:#fff}
.cd{font-size:18px;line-height:1.9}
.cd span{color:var(--acc2);font-size:13px;letter-spacing:.12em;text-transform:uppercase;display:block;margin-top:6px}
footer.f{background:#0b0e12;color:#8d97a2;font-size:13.5px;padding:22px 0}
footer.f .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media (max-width:980px){
 nav.menu{display:none}
 .stats{grid-template-columns:repeat(2,1fr)}
 .two,.prod,.test,.cgrid{grid-template-columns:1fr;gap:28px}
 .grid3,.grid4,.core{grid-template-columns:1fr 1fr}
 .chips{grid-template-columns:1fr 1fr}
 .steps{grid-template-columns:1fr 1fr}
 .kit{grid-template-columns:1fr}
 .test .big{max-width:220px}
}
@media (max-width:560px){
 .wrap{padding:0 16px}
 .grid3,.grid4,.core,.stats{grid-template-columns:1fr}
 section{padding:60px 0}
 table.pat td.n{width:auto}
 .hero{min-height:520px}
}

.gal{display:grid;grid-template-columns:1fr 1fr 1.6fr;gap:14px;margin-top:30px}
.gal img{width:100%;height:280px;object-fit:cover;border-radius:12px}
.gal img:first-child{object-position:50% 20%}
@media (max-width:760px){.gal{grid-template-columns:1fr 1fr}.gal img{height:200px}.gal img:last-child{grid-column:1/3}}
.flag{display:inline-block;border-left:3px solid var(--acc2);padding:4px 0 4px 14px;color:#cfe3ec;font-size:15px;max-width:620px;margin:-8px 0 28px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:6px 0 26px}
.flow.three{grid-template-columns:repeat(3,1fr)}
.flow div{background:#fff;border:1px solid var(--line);border-top:3px solid var(--acc);border-radius:12px;padding:18px}
.flow b{display:flex;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;align-items:center;justify-content:center;font-size:14px;margin-bottom:10px}
.flow h3{margin:0 0 6px;font-size:16.5px}.flow span{color:var(--mut);font-size:14.5px;line-height:1.45;display:block}
ul.chk.two-col{columns:2;column-gap:40px}ul.chk.two-col li{break-inside:avoid}
.whyh{margin-top:56px}
.grid3.why .card h3{color:var(--ink)}.grid3.why .card p{margin:0;color:#3a4048;font-size:15px}
.grid3.why .card{border-top:3px solid var(--acc)}
.phero{padding:64px 0 40px}.phero .lead2{font-size:20px;color:#2b3036;margin:14px 0 26px;max-width:520px}
.stats.four{grid-template-columns:repeat(4,1fr);margin-top:44px}
.two.eq{grid-template-columns:1fr 1fr;gap:40px}
table.spec{width:100%;border-collapse:collapse;margin-top:10px}table.spec td{border-bottom:1px solid var(--line);padding:11px 8px 11px 0;font-size:15px;vertical-align:top}
table.spec td:first-child{color:var(--mut);width:42%}table.spec td.n{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--ink)}
form.rfq{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px;max-width:900px}
form.rfq label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:#2b3036}
form.rfq .full{grid-column:1/3}
form.rfq input,form.rfq select,form.rfq textarea{font:inherit;font-weight:400;font-size:15px;padding:11px 12px;border:1px solid #c9d0d7;border-radius:9px;background:#fff;color:var(--ink)}
form.rfq input:focus,form.rfq select:focus,form.rfq textarea:focus{outline:2px solid var(--acc2);border-color:var(--acc)}
form.rfq button{border:0;cursor:pointer}
@media (max-width:980px){.flow{grid-template-columns:1fr 1fr}.flow.three{grid-template-columns:1fr}.stats.four{grid-template-columns:1fr 1fr}.two.eq{grid-template-columns:1fr}ul.chk.two-col{columns:1}}
@media (max-width:560px){form.rfq{grid-template-columns:1fr}form.rfq .full{grid-column:auto}.flow{grid-template-columns:1fr}}