:root{
  --red:#e31f18;--red2:#ff4d43;--bg:#050608;--panel:#0d1115;--panel2:#14191f;
  --text:#f6f7f8;--muted:#b7bec5;--line:#2b3239;--max:1500px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.5}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}

/* Header */
.site-header{position:fixed;inset:0 0 auto;z-index:100;background:rgba(6,8,10,.96);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px)}
.nav{height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{height:86px;display:flex;align-items:center;overflow:hidden;flex:0 0 auto}
.brand img{width:305px;height:auto}
.navlinks{display:flex;align-items:center;gap:27px;font-size:.76rem;font-weight:800}
.navlinks a{position:relative}
.navlinks a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:100%;bottom:-13px;height:2px;background:var(--red);transition:.2s}
.navlinks a:hover::after{right:0}
.nav-cta{background:var(--red);padding:15px 22px}
.menu{display:none;border:0;background:none;color:white;font-size:1.7rem}

/* Hero */
.hero{min-height:880px;padding-top:104px;position:relative;display:flex;align-items:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
linear-gradient(90deg,rgba(5,6,8,.99) 0%,rgba(5,6,8,.92) 32%,rgba(5,6,8,.43) 60%,rgba(5,6,8,.08) 84%),
url("../images/hero-industrial.jpg") 67% center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:160px;background:linear-gradient(transparent,var(--bg))}
.hero-content{position:relative;z-index:2;padding:96px 0 94px}
.kicker{color:#ff5d53;font-weight:900;font-size:.95rem;letter-spacing:.18em;line-height:1.65}
h1{font-size:clamp(4.6rem,7vw,7.8rem);line-height:.93;letter-spacing:-.055em;margin:28px 0 28px;max-width:860px}
.red{color:var(--red)}
.rule{width:170px;height:5px;background:var(--red);margin:0 0 36px}
.hero p{max-width:690px;font-size:1.28rem;line-height:1.55;color:#e1e4e7;margin:0 0 38px}
.actions{display:flex;gap:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:260px;padding:20px 30px;border:1px solid #6d7781;font-size:.96rem;font-weight:900;transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--red);border-color:var(--red)}
.trustline{display:flex;gap:28px;flex-wrap:wrap;margin-top:44px;color:#d1d5d8;font-size:.82rem;font-weight:800}
.trustline span::before{content:"";display:inline-block;width:7px;height:7px;background:var(--red);border-radius:50%;margin-right:9px}

/* Feature strip */
.feature-strip{background:#0f1419;border-top:1px solid #252d34;border-bottom:1px solid #252d34}
.features{display:grid;grid-template-columns:repeat(4,1fr)}
.feature{display:grid;grid-template-columns:52px 1fr;gap:15px;padding:25px 27px;border-right:1px solid #303841}
.feature:last-child{border-right:0}
.ficon{width:46px;height:46px;border:2px solid var(--red);border-radius:50%;display:grid;place-items:center;color:var(--red);font-size:1.1rem}
.feature b{display:block;font-size:.84rem}
.feature span{display:block;color:var(--muted);font-size:.78rem;margin-top:4px}

/* Sections */
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:44px}
.label{color:var(--red);font-weight:900;font-size:.78rem;letter-spacing:.16em}
.section-head h2{font-size:clamp(2.8rem,5vw,5rem);line-height:1.02;margin:14px 0 0}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:linear-gradient(180deg,#171c21,#101418);border:1px solid #252d34;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px);border-color:#4a545e}
.card img{width:100%;height:220px;object-fit:cover}
.card-body{padding:22px;min-height:172px;position:relative}
.card-body::before{content:"";display:block;width:38px;height:3px;background:var(--red);margin-bottom:12px}
.card h3{margin:0 0 9px;font-size:.95rem}
.card p{margin:0;color:#aeb5bc;font-size:.86rem}
.arrow{position:absolute;right:18px;bottom:16px;font-size:1.3rem}

.process{background:#0b0f13}
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#303841;border:1px solid #303841}
.step{background:#12171c;padding:28px 22px;min-height:205px}
.step b{font-size:2rem;color:var(--red)}
.step h3{margin:15px 0 8px;font-size:1rem}
.step p{margin:0;color:var(--muted);font-size:.84rem}

.application{background:#0c1014}
.application-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:45px;align-items:center}
.application-grid img{width:100%;height:470px;object-fit:cover;border:1px solid var(--line)}
.application h2{font-size:clamp(2.8rem,4.8vw,4.8rem);line-height:1.03;margin:14px 0 20px}
.application p{color:var(--muted)}
.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.pill{border:1px solid #3b444d;padding:8px 12px;font-size:.76rem}

.contact-band{background:linear-gradient(110deg,#990e09,#e21c16);padding:60px 0}
.contact-row{display:flex;justify-content:space-between;align-items:center;gap:28px}
.contact-row h2{font-size:2.55rem;margin:0}
.contact-row p{margin:8px 0 0;max-width:720px}

footer{padding:34px 0;border-top:1px solid var(--line);color:#9fa6ad;font-size:.82rem}
.footer-row{display:flex;justify-content:space-between;gap:20px}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
.reveal.show{opacity:1;transform:none}

/* Responsive */
@media(max-width:1100px){
  .navlinks{display:none;position:absolute;top:104px;left:0;right:0;background:#07090b;padding:24px;flex-direction:column;align-items:flex-start}
  .navlinks.open{display:flex}.menu{display:block}
  .features{grid-template-columns:1fr 1fr}.feature:nth-child(2){border-right:0}
  .cards{grid-template-columns:1fr 1fr}
  .process-grid{grid-template-columns:1fr 1fr}
  .application-grid{grid-template-columns:1fr}
}

@media(max-width:700px){
  .container{width:min(var(--max),calc(100% - 32px))}
  .nav{height:118px;padding:8px 0}
  .brand{height:100px;max-width:300px}
  .brand img{width:285px}
  .navlinks{top:118px}
  .hero{padding-top:118px;min-height:1120px}
  .hero::before{background:
    linear-gradient(90deg,rgba(5,6,8,.96),rgba(5,6,8,.55)),
    url("../images/hero-industrial.jpg") 64% center/cover no-repeat}
  .hero-content{padding:95px 0}
  .kicker{font-size:.98rem;letter-spacing:.15em}
  h1{font-size:4rem;line-height:.98;margin:34px 0 30px}
  .rule{width:175px}
  .hero p{font-size:1.18rem;line-height:1.58}
  .actions{flex-direction:column;align-items:flex-start;gap:20px}
  .btn{min-width:295px;padding:22px 30px}
  .trustline{gap:15px;flex-direction:column}
  .features,.cards,.process-grid{grid-template-columns:1fr}
  .feature{border-right:0;border-bottom:1px solid #303841}
  .section-head,.contact-row,.footer-row{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:3rem}
  .card img{height:230px}
  .application-grid img{height:340px}
}

@media(max-width:430px){
  .nav{height:108px}
  .brand{height:92px;max-width:255px}
  .brand img{width:245px}
  .navlinks{top:108px}
  .hero{padding-top:108px;min-height:1050px}
  h1{font-size:3.55rem}
  .hero p{font-size:1.08rem}
  .btn{min-width:275px}
}