:root{
  --bg:#1a1a1a; --bg2:#161616; --surface:#242424; --surface2:#2b2b2b;
  --line:#333333; --line2:#404040;
  --red:#e8442e; --red2:#c5311e;
  --text:#f2f2f2; --muted:#a0a0a0;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.center{text-align:center}
h1,h2,.chip strong,.cx-val,.num,.step h3,.proj-body h3,.cx-card h3{font-family:'Oswald',sans-serif;text-transform:uppercase}
h2{font-size:clamp(28px,4vw,42px);font-weight:600;line-height:1.15;letter-spacing:.01em;margin-bottom:16px}
h2.accent::after{content:'';display:block;width:64px;height:5px;background:var(--red);margin-top:16px}
h2.center.accent::after{margin:16px auto 0}
.section{padding:96px 0}
.section-dark{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-sub{color:var(--muted);max-width:760px;margin:0 auto 52px;font-size:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media(max-width:860px){.grid-2{grid-template-columns:1fr;gap:40px}}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* header — solid industrial bar */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:#1a1a1a;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo-link{display:flex;align-items:center}
.logo-img{height:56px;width:auto}
.nav{display:flex;gap:4px}
.nav a{font-family:'Oswald',sans-serif;font-size:13.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:9px 14px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover{color:#fff;border-bottom-color:var(--red)}
.header-actions{display:flex;align-items:center;gap:12px}
.lang-btn{background:var(--surface);color:var(--text);border:1px solid var(--line2);padding:8px 14px;font-weight:700;font-size:13px;cursor:pointer;transition:.2s;font-family:'Oswald',sans-serif}
.lang-btn:hover{border-color:var(--red);color:var(--red)}
.burger{display:none;flex-direction:column;gap:5px;background:var(--surface);border:1px solid var(--line2);cursor:pointer;padding:12px 10px}
.burger span{width:22px;height:2px;background:var(--text)}
@media(max-width:1060px){
  .nav{position:fixed;top:78px;left:0;right:0;background:#1a1a1a;border-bottom:2px solid var(--red);flex-direction:column;padding:18px 24px;gap:2px;display:none}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:none;font-size:15px}
  .burger{display:flex}
  .header-actions .btn{display:none}
}

/* buttons — sharp industrial */
.btn{display:inline-block;padding:15px 34px;font-weight:700;font-size:13.5px;letter-spacing:.08em;border-radius:0;transition:.2s;text-transform:uppercase;font-family:'Oswald',sans-serif;border:none;cursor:pointer}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red2)}
.btn-ghost{border:2px solid var(--red);color:#fff;background:transparent}
.btn-ghost:hover{background:var(--red)}
.btn-sm{padding:10px 22px;font-size:12.5px}
.btn-lg{padding:18px 44px;font-size:15px}

/* hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;border-bottom:4px solid var(--red)}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,20,20,.96) 0%,rgba(20,20,20,.82) 55%,rgba(20,20,20,.5) 100%)}
.hero-content{position:relative;z-index:2;padding-top:130px;padding-bottom:70px}
.hero-badge{display:inline-block;background:var(--red);color:#fff;font-family:'Oswald',sans-serif;font-size:12.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding:8px 18px;margin-bottom:26px}
.hero h1{font-size:clamp(34px,5.4vw,62px);font-weight:700;line-height:1.08;letter-spacing:.005em;max-width:880px}
.hero h1 .gr{color:var(--red)}
.hero p{color:#cfcfcf;max-width:620px;margin:24px 0 34px;font-size:16.5px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-chips{display:flex;gap:14px;margin-top:52px;flex-wrap:wrap}
.chip{background:rgba(22,22,22,.85);border-left:4px solid var(--red);padding:16px 22px;max-width:260px}
.chip strong{display:block;font-size:24px;line-height:1.15;color:var(--red)}
.chip span{font-size:12.5px;color:var(--muted)}

/* about */
.about-photo{position:relative}
.about-photo::before{content:'';position:absolute;top:20px;left:20px;right:-20px;bottom:-20px;border:3px solid var(--red);z-index:0;opacity:.85}
.about-photo img{border-radius:0;width:100%;object-fit:cover;max-height:480px;position:relative;z-index:1}
.about-points{margin-top:30px;display:grid;gap:12px}
.point{background:var(--surface);border-left:4px solid var(--red);padding:15px 18px}
.point strong{display:block;font-size:15px;text-transform:uppercase;font-family:'Oswald',sans-serif;font-weight:500;letter-spacing:.03em}
.point span{color:var(--muted);font-size:13.5px}

/* cards */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:16px}
.cx-card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--line2);padding:26px 22px;transition:.25s}
.cx-card:hover{border-top-color:var(--red);background:var(--surface2)}
.cx-card .cx-val{font-size:34px;font-weight:700;color:var(--red);line-height:1.1}
.cx-card .cx-val small{font-size:15px;font-weight:500;color:var(--text)}
.cx-card h3{font-size:15px;font-weight:500;margin:10px 0 8px;letter-spacing:.03em}
.cx-card p{font-size:13.5px;color:var(--muted)}
.more-card img{width:100%;height:170px;object-fit:cover;margin-bottom:16px;background:#fff;border:1px solid var(--line)}

/* equipment */
.eq-list{list-style:none;margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
@media(max-width:560px){.eq-list{grid-template-columns:1fr}}
.eq-list li{padding-left:26px;position:relative;color:#d9d9d9;font-size:14.5px}
.eq-list li::before{content:'';position:absolute;left:0;top:8px;width:11px;height:11px;background:var(--red)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.step{background:var(--surface);border:1px solid var(--line);padding:28px 24px;transition:.25s;border-top:4px solid var(--line2)}
.step:hover{border-top-color:var(--red);background:var(--surface2)}
.step .num{font-size:40px;font-weight:700;color:var(--red);opacity:.95;line-height:1}
.step h3{font-size:16px;font-weight:500;margin:12px 0 8px;letter-spacing:.03em}
.step p{font-size:13.5px;color:var(--muted)}

/* projects & deliveries */
.proj-card{background:var(--surface);border:1px solid var(--line);transition:.25s}
.proj-card:hover{border-color:var(--red)}
.proj-card img{width:100%;height:190px;object-fit:cover;border-bottom:3px solid var(--red)}
.proj-body{padding:20px 22px 26px}
.proj-body h3{font-size:15.5px;font-weight:500;margin-bottom:8px;letter-spacing:.02em;line-height:1.35}
.proj-body p{font-size:13.5px;color:var(--muted)}

/* cta band */
.cta-band{border-top:4px solid var(--red);border-bottom:4px solid var(--red);position:relative}
.cta-band h2::after{display:none}
.cta-band p{color:var(--muted);max-width:640px;margin:14px auto 30px}
.cta-addr{margin-top:22px;font-size:13.5px;color:var(--muted);letter-spacing:.02em;text-transform:uppercase;font-family:'Oswald',sans-serif;font-weight:500}

/* footer */
.footer{background:var(--bg2);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1.4fr 1fr;gap:48px;padding-bottom:48px}
.footer-logo{height:48px;margin-bottom:18px}
.footer p,.footer a{color:var(--muted);font-size:14px}
.footer a:hover{color:var(--red)}
.footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:16px;color:var(--text);font-family:'Oswald',sans-serif;font-weight:600;border-left:4px solid var(--red);padding-left:10px}
.footer a{display:block;margin-bottom:9px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 24px;color:var(--muted);font-size:12.5px;display:block}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.point{display:block;position:relative;padding-left:62px}
.point .pt-ic{position:absolute;left:0;top:0}
.point strong{margin-bottom:3px}
.point>span:last-child{color:var(--muted);font-size:13.5px;display:block}
.svc-card .pt-ic{margin-bottom:14px}
.svc-card h3{margin-top:0}

/* step with icon */
.step-top{display:flex;align-items:center;justify-content:space-between}
.step .icn{width:26px;height:26px;opacity:.9}

/* technology flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.flow-node{position:relative;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--red);padding:18px 16px;font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:14px;letter-spacing:.04em;display:flex;flex-direction:column;gap:8px;min-height:96px}
.flow-num{font-size:22px;font-weight:700;color:var(--red)}
.flow-node::after{content:'';position:absolute;right:-11px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:9px solid var(--red)}
.flow-node:nth-child(4n)::after{display:none}
@media(max-width:960px){.flow{grid-template-columns:repeat(2,1fr)}.flow-node:nth-child(4n)::after{display:block}.flow-node:nth-child(2n)::after{display:none}}
@media(max-width:520px){.flow{grid-template-columns:1fr}.flow-node::after{display:none}}
.flow-out{border:1px dashed var(--line2);padding:14px 20px;text-align:center;color:#d9d9d9;font-size:14.5px}
.flow-out-label{color:var(--red);font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.06em;font-size:13px;margin-right:10px}

/* composition table */
.cmp-wrap{margin-top:44px;overflow-x:auto}
.cmp-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);min-width:560px}
.cmp-table th,.cmp-table td{border:1px solid var(--line);padding:11px 14px;text-align:left;font-size:13.5px}
.cmp-table thead th{background:var(--surface2);font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600}
.cmp-table thead th:first-child{color:var(--muted)}
.cmp-table td.y{color:var(--red);font-weight:700;text-align:center;width:120px}
.cmp-table td.n{color:var(--muted);text-align:center;width:120px}
.cmp-note{margin-top:14px;color:var(--muted);font-size:13px;max-width:820px}

/* service stats */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:36px}
.stat-b{background:var(--surface);border-left:4px solid var(--red);padding:18px 20px}
.stat-b strong{display:block;font-family:'Oswald',sans-serif;font-size:32px;font-weight:700;color:var(--red);line-height:1.1}
.stat-b span{font-size:12.5px;color:var(--muted)}
@media(max-width:860px){.stats-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-row{grid-template-columns:1fr}}

/* production */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:28px}
.prod-grid img{width:100%;height:220px;object-fit:cover;border:1px solid var(--line);border-bottom:3px solid var(--red);background:#fff}
@media(max-width:860px){.prod-grid{grid-template-columns:1fr}.prod-grid img{height:200px}}
.prod-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:860px){.prod-points{grid-template-columns:1fr}}
/* icons */
.icn{width:22px;height:22px;stroke:var(--red);flex:none}

/* solutions + nano + schemes */
.cx-val[data-i18n],.cx-val{font-size:20px;letter-spacing:.06em}
.eq-h{font-size:15px;font-weight:600;letter-spacing:.04em}
.cmp-table.nano td:first-child{color:var(--muted);width:40%}
.sch-h{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:18px;font-weight:600;letter-spacing:.05em;margin:36px 0 16px;border-left:4px solid var(--red);padding-left:12px}
.sch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sch-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--red);padding:18px 20px}
.sch-card h4{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:14px;letter-spacing:.06em;margin-bottom:10px}
.sch-chain{font-size:13px;color:#d9d9d9;font-weight:600;margin-bottom:8px;line-height:1.75}
.sch-out{font-size:13px;color:var(--muted)}
.sch-out::before{content:'→ ';color:var(--red);font-weight:700}
@media(max-width:860px){.sch-grid{grid-template-columns:1fr}}

/* equipment grid — uniform aligned cards */
#eqGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:16px;align-items:stretch}
.eq-c{display:flex;flex-direction:column}
.eq-c .eq-img{flex:none}
.eq-c h3{margin-top:0}
.eq-c p{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
/* modules: 5 in a row on wide screens */
#modGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:stretch}
@media(max-width:1100px){#modGrid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){#modGrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){#modGrid{grid-template-columns:1fr}}
.sch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sch-card img{width:100%;height:200px;object-fit:contain;background:#fff;margin-bottom:12px;border:1px solid var(--line);object-position:center}
@media(max-width:860px){.sch-grid{grid-template-columns:1fr}}
/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.93);display:none;align-items:center;justify-content:center;z-index:300;cursor:zoom-out;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:94vw;max-height:88vh;object-fit:contain;box-shadow:0 0 80px rgba(0,0,0,.9);background:#fff}
.lightbox .lb-x{position:absolute;top:18px;right:26px;font-size:34px;color:#fff;font-family:'Oswald',sans-serif;cursor:pointer;user-select:none}