:root{--s-dark:#1a1e24;--s-darker:#0f1318;--s-orange:#ff6a00;--s-orange-h:#cc5400;--s-gray:#8a9199;--s-light:#f3f4f6;--s-text:#e8ebef;--s-muted:#a0a8b0;--s-border:#2c323a;}
*{box-sizing:border-box;}
body{margin:0;font-family:'Barlow',sans-serif;color:var(--s-text);background:var(--s-dark);font-size:17px;line-height:1.6;}
h1,h2,h3,h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;color:#fff;line-height:1.15;margin:0 0 0.5em;letter-spacing:0.01em;}
h1{font-size:clamp(2.2rem,5vw,3.4rem);text-transform:uppercase;}
h2{font-size:clamp(1.8rem,3.8vw,2.6rem);text-transform:uppercase;}
h3{font-size:1.4rem;}
a{color:var(--s-orange);text-decoration:none;}
a:hover{color:#ff8a30;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.s-top{background:var(--s-darker);color:#a0a8b0;padding:8px 0;font-size:0.82rem;border-bottom:1px solid var(--s-border);}
.s-top .container{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.s-top a{color:var(--s-orange);}
header.s-head{background:var(--s-darker);border-bottom:3px solid var(--s-orange);padding:18px 0;}
.s-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.s-logo img{height:52px;}
.s-nav{display:flex;gap:2px;}
.s-nav a{color:#fff;padding:10px 18px;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:1.05rem;text-transform:uppercase;letter-spacing:0.08em;}
.s-nav a:hover,.s-nav a.on{background:var(--s-orange);color:var(--s-darker);}
.s-nav .cta{background:var(--s-orange);color:var(--s-darker);}
.s-nav .cta:hover{background:#fff;color:var(--s-darker);}
.s-burger{display:none;background:none;border:0;color:#fff;font-size:28px;cursor:pointer;}
.s-hero{padding:120px 0;background:linear-gradient(135deg,rgba(26,30,36,0.85),rgba(15,19,24,0.75)),url('../images/hero-soudure.jpg') center/cover;border-bottom:4px solid var(--s-orange);}
.s-hero .eye{color:var(--s-orange);text-transform:uppercase;letter-spacing:0.3em;font-size:0.82rem;font-weight:700;}
.s-hero h1{margin-top:16px;}
.s-hero .sub{font-size:1.15rem;max-width:680px;color:var(--s-muted);margin-bottom:30px;}
.btn{display:inline-block;padding:14px 32px;background:var(--s-orange);color:var(--s-darker);border:2px solid var(--s-orange);font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;font-size:1rem;cursor:pointer;transition:0.2s;}
.btn:hover{background:transparent;color:var(--s-orange);text-decoration:none;}
.btn-g{background:transparent;color:#fff;border-color:#fff;}
.btn-g:hover{background:#fff;color:var(--s-darker);}
.s-page{background:var(--s-darker);padding:70px 0;border-bottom:3px solid var(--s-orange);}
section{padding:80px 0;}
.s-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;}
.s-card{background:var(--s-darker);border:1px solid var(--s-border);border-left:4px solid var(--s-orange);padding:32px;transition:0.3s;}
.s-card:hover{border-left-color:#fff;transform:translateX(4px);}
.s-card h3{text-transform:uppercase;font-size:1.2rem;margin-bottom:10px;}
.s-card p{color:var(--s-muted);font-size:0.95rem;}
.s-card .more{color:var(--s-orange);text-transform:uppercase;font-size:0.82rem;font-weight:700;letter-spacing:0.1em;}
.eye{display:inline-block;color:var(--s-orange);text-transform:uppercase;letter-spacing:0.25em;font-size:0.78rem;font-weight:700;}
.s-nums{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:30px;padding:50px;background:var(--s-darker);border:1px solid var(--s-border);}
.s-num .big{font-family:'Barlow Condensed',sans-serif;font-size:3rem;color:var(--s-orange);font-weight:700;}
.s-num .lbl{font-size:0.85rem;color:var(--s-muted);text-transform:uppercase;letter-spacing:0.1em;}
.s-reco{background:var(--s-darker);border:1px solid var(--s-border);border-left:4px solid var(--s-orange);padding:36px;}
.s-reco p:last-child{margin-bottom:0;}
.s-article{max-width:820px;margin:0 auto;}
.s-article .lead{width:100%;max-height:440px;object-fit:cover;margin-bottom:30px;border:1px solid var(--s-border);}
.s-article h2{margin-top:40px;}
.s-article h3{color:var(--s-orange);margin-top:24px;text-transform:uppercase;}
.s-article blockquote{border-left:3px solid var(--s-orange);padding:6px 24px;margin:24px 0;font-style:italic;color:var(--s-muted);}
.s-2col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.info{background:var(--s-darker);border:1px solid var(--s-border);padding:30px;border-left:4px solid var(--s-orange);}
.info h3{text-transform:uppercase;font-size:1rem;letter-spacing:0.12em;margin-top:20px;color:var(--s-orange);}
.info h3:first-child{margin-top:0;}
form{display:flex;flex-direction:column;gap:14px;}
label{font-family:'Barlow Condensed',sans-serif;font-size:0.95rem;text-transform:uppercase;letter-spacing:0.08em;color:#fff;font-weight:600;}
input,textarea,select{padding:12px;background:var(--s-dark);border:1px solid var(--s-border);font-family:'Barlow',sans-serif;font-size:1rem;color:#fff;width:100%;}
input:focus,textarea:focus{outline:none;border-color:var(--s-orange);}
footer.s-foot{background:var(--s-darker);color:var(--s-muted);padding:50px 0 20px;border-top:1px solid var(--s-border);}
.s-foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px;}
.s-foot h4{color:#fff;font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;letter-spacing:0.15em;font-size:0.9rem;margin-bottom:14px;}
.s-foot ul{list-style:none;padding:0;margin:0;}
.s-foot li{margin-bottom:6px;font-size:0.9rem;}
.s-foot a{color:var(--s-muted);}
.s-foot a:hover{color:var(--s-orange);}
.s-foot-bot{border-top:1px solid var(--s-border);padding-top:18px;text-align:center;font-size:0.8rem;opacity:0.7;}
.legal{max-width:780px;margin:0 auto;}
.legal h2{margin-top:32px;}
.err{text-align:center;padding:100px 24px;}
.err .big{font-family:'Barlow Condensed',sans-serif;font-size:11rem;color:var(--s-orange);line-height:1;font-weight:900;}
@media(max-width:900px){.s-2col{grid-template-columns:1fr;}.s-foot-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:700px){.s-nav{display:none;position:absolute;top:96px;right:24px;flex-direction:column;background:var(--s-darker);padding:20px;border:1px solid var(--s-border);z-index:200;}.s-nav.open{display:flex;}.s-burger{display:block;}.s-foot-grid{grid-template-columns:1fr;}}