:root{
  --graphite:#16181d; --graphite-2:#1b1e24; --iron:#202329; --iron-2:#262a31;
  --molten:#ff6a13; --ember:#f5a623; --sand:#e9e3d7; --sand-ink:#2b2621;
  --ash:#b7bcc7; --ash-dim:#868c99; --white:#f6f7f9; --line:rgba(255,255,255,.09);
  --seam:linear-gradient(90deg,transparent,var(--molten) 30%,var(--ember) 55%,transparent);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--graphite);color:var(--ash);
  font-family:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.cond{font-family:"Barlow Condensed","Barlow",sans-serif;text-transform:uppercase;letter-spacing:.005em;line-height:.98;color:var(--white);margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:"Space Mono",monospace;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--molten);margin:0 0 14px}
.mono{font-family:"Space Mono",monospace}
.seam{height:2px;background:var(--seam);box-shadow:0 0 16px 1px rgba(255,106,19,.45);border:0;margin:0}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:"Barlow Condensed",sans-serif;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;font-size:1.02rem;padding:12px 22px;border-radius:2px;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s}
.btn-molten{background:linear-gradient(180deg,var(--molten),#e2560a);color:#fff;border:1px solid transparent;box-shadow:0 8px 26px -10px rgba(255,106,19,.7)}
.btn-molten:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--white);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--molten);color:var(--molten)}
.btn-dark{background:#12141a;color:var(--white);border:1px solid rgba(0,0,0,.2)}
:focus-visible{outline:2px solid var(--molten);outline-offset:3px}

/* header */
header{position:fixed;inset:0 0 auto;z-index:60;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
header.scrolled{background:rgba(18,20,25,.86);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand img{height:42px;width:auto;object-fit:contain;filter:drop-shadow(0 2px 8px rgba(0,0,0,.45))}
.brand b{display:block;font-family:"Barlow Condensed";font-weight:800;font-size:1.34rem;color:#fff;letter-spacing:.03em;line-height:.92}
.brand span{display:block;font-family:"Space Mono";font-size:.56rem;letter-spacing:.22em;color:var(--ash-dim);margin-top:2px}
.menu{display:flex;gap:26px;align-items:center}
.menu a{font-weight:500;font-size:.96rem;color:var(--ash);position:relative;padding:4px 0}
.menu a:hover,.menu a.active{color:#fff}
.menu a::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--molten);transition:width .25s}
.menu a:hover::after,.menu a.active::after{width:100%}
.hcta{display:flex;gap:10px;align-items:center}
.hamb{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:8px}
.hamb svg{width:26px;height:26px}

/* home hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:#0d0e12 url("/assets/opt/hero-banner1.jpg") center/cover no-repeat;transform:scale(1.04)}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,14,18,.62) 0%,rgba(13,14,18,.35) 40%,rgba(13,14,18,.86) 88%,var(--graphite) 100%)}
.glow{position:absolute;right:-8%;top:8%;width:60vw;height:60vw;max-width:760px;max-height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,19,.55),rgba(245,166,35,.18) 42%,transparent 66%);
  filter:blur(10px);pointer-events:none;animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.hero-inner{position:relative;z-index:2;padding:118px 0 66px;max-width:860px}
.hero h1{font-size:clamp(3rem,8.2vw,6.6rem);font-weight:800;letter-spacing:-.01em}
.hero h1 .hot,.hot{color:transparent;background:linear-gradient(92deg,var(--molten),var(--ember));-webkit-background-clip:text;background-clip:text}
.hero p.lead{font-size:clamp(1.05rem,1.8vw,1.28rem);color:#d7dae1;max-width:620px;margin:22px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:52px;border-radius:3px;overflow:hidden}
.stat{background:rgba(18,20,25,.72);padding:18px 20px}
.stat b{font-family:"Barlow Condensed";font-weight:800;font-size:1.7rem;color:#fff;display:block;line-height:1}
.stat span{font-size:.82rem;color:var(--ash-dim)}

/* interior page hero */
.page-hero{position:relative;padding:158px 0 62px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .pbg{position:absolute;inset:0;background:#0d0e12 center/cover no-repeat;transform:scale(1.03)}
.page-hero .pbg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,18,.68),rgba(13,14,18,.9))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.7rem);font-weight:800;max-width:14ch}
.page-hero p{max-width:640px;color:#d7dae1;margin:18px 0 0;font-size:clamp(1.02rem,1.6vw,1.2rem)}

/* sections */
section{padding:88px 0;position:relative}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head h2{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700}
.sec-head p{margin:16px 0 0;color:var(--ash)}
.band-iron{background:var(--graphite-2)}
.band-sand{background:var(--sand);color:var(--sand-ink)}
.band-sand .eyebrow{color:#b4470b}
.band-sand h2,.band-sand h3{color:#20201d}
.band-sand p{color:#4a453d}

/* process seam */
.process{display:flex;flex-wrap:wrap;gap:10px;counter-reset:step}
.step{flex:1 1 150px;background:var(--iron);border:1px solid var(--line);border-radius:3px;padding:20px 18px;position:relative;overflow:hidden}
.step::before{counter-increment:step;content:"0" counter(step);font-family:"Space Mono";font-size:.72rem;color:var(--molten);letter-spacing:.1em}
.step b{display:block;font-family:"Barlow Condensed";font-weight:700;font-size:1.28rem;color:#fff;margin:6px 0 4px;text-transform:uppercase}
.step small{color:var(--ash-dim);font-size:.86rem}
.step::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--seam);opacity:0;transition:opacity .3s}
.step:hover::after{opacity:1}

/* feature split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.split.rev .media{order:2}
.split .media{border-radius:4px;overflow:hidden;border:1px solid var(--line);position:relative}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 0}
.chip{font-family:"Space Mono";font-size:.76rem;padding:6px 12px;border:1px solid var(--line);border-radius:2px;color:var(--ash)}
.band-sand .chip{border-color:rgba(0,0,0,.15);color:#5a5348}
.ilist{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.ilist li{padding-left:26px;position:relative}
.ilist li::before{content:"";position:absolute;left:0;top:.55em;width:11px;height:11px;background:var(--molten);transform:rotate(45deg);box-shadow:0 0 10px rgba(255,106,19,.6)}

/* prose + values */
.prose{max-width:760px}
.prose p{margin:0 0 18px;color:var(--ash)}
.prose strong{color:#fff}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.value{background:var(--iron);border:1px solid var(--line);border-radius:4px;padding:24px 22px}
.value .vn{font-family:"Space Mono";color:var(--molten);font-size:.72rem;letter-spacing:.14em}
.value h3{font-size:1.32rem;margin:10px 0 8px;text-transform:uppercase}
.value p{color:var(--ash-dim);font-size:.94rem;margin:0}

/* product cards */
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.prod{background:var(--iron);border:1px solid var(--line);border-radius:5px;overflow:hidden;display:flex;flex-direction:column}
.prod .pimg{aspect-ratio:16/10;overflow:hidden;position:relative}
.prod .pimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.prod:hover .pimg img{transform:scale(1.05)}
.prod .pbody{padding:22px}
.prod .grade{font-family:"Space Mono";color:var(--molten);font-weight:700;font-size:.82rem;letter-spacing:.06em}
.prod h3{font-size:1.5rem;margin:6px 0 8px}
.prod p{color:var(--ash-dim);font-size:.94rem;margin:0 0 12px}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.svc{background:var(--graphite-2);border:1px solid var(--line);border-radius:4px;padding:24px 22px}
.svc .sn{font-family:"Space Mono";color:var(--molten);font-size:.72rem;letter-spacing:.12em}
.svc h3{font-size:1.24rem;margin:8px 0 6px;text-transform:uppercase}
.svc p{color:var(--ash-dim);font-size:.92rem;margin:0}

/* grades table */
.tbl-wrap{overflow-x:auto;border:1px solid rgba(0,0,0,.12);border-radius:4px;background:#fff}
table{border-collapse:collapse;width:100%;min-width:640px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid #e4ddd0}
th{font-family:"Barlow Condensed";text-transform:uppercase;letter-spacing:.05em;font-size:.9rem;background:#efe8db;color:#2b2621}
td{font-size:.96rem;color:#413b32}
td .g{font-family:"Space Mono";font-weight:700;color:#a8480a}
tr:last-child td{border-bottom:0}

/* galleries */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{position:relative;border-radius:4px;overflow:hidden;border:1px solid var(--line);min-height:240px;display:flex;align-items:flex-end}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover img{transform:scale(1.06)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(13,14,18,.9))}
.card .cap{position:relative;z-index:2;padding:20px}
.card .cap b{font-family:"Barlow Condensed";font-weight:700;font-size:1.3rem;color:#fff;text-transform:uppercase;display:block}
.card .cap span{font-size:.85rem;color:var(--ash)}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ind{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.05)}
.ind::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,18,.15),rgba(13,14,18,.82))}
.ind b{position:absolute;left:14px;bottom:12px;z-index:2;font-family:"Barlow Condensed";font-weight:700;font-size:1.16rem;color:#fff;text-transform:uppercase;letter-spacing:.02em}

/* CTA band */
.cta{background:linear-gradient(120deg,#1a1c22,#241a14 55%,#3a1c08);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.cta h2{font-size:clamp(2rem,4vw,3rem)}
.contact-lines{display:grid;gap:14px;margin-top:6px}
.cl{display:flex;gap:13px;align-items:flex-start}
.cl .ic{width:38px;height:38px;flex:none;border-radius:6px;background:var(--iron);border:1px solid var(--line);display:grid;place-items:center;color:var(--molten)}
.cl .ic svg{width:19px;height:19px}
.cl b{color:#fff;font-weight:600;font-family:"Barlow"}
.cl a{color:#fff}
.cl small{display:block;color:var(--ash-dim);font-size:.82rem}

/* footer */
footer{background:#101217;padding:56px 0 30px;border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.fgrid h4{font-family:"Barlow Condensed";text-transform:uppercase;color:var(--molten);letter-spacing:.06em;font-size:1.05rem;margin:0 0 16px}
.fgrid a{display:block;color:var(--ash);padding:5px 0;font-size:.95rem}
.fgrid a:hover{color:#fff}
.fbar{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--ash-dim);font-size:.82rem}
.credit{text-align:center;color:var(--ash-dim);font-size:.8rem;margin-top:16px}
.credit a{color:var(--ash);border-bottom:1px solid var(--line)}
.credit a:hover{color:var(--molten);border-color:var(--molten)}

/* contact form + map */
.form{background:var(--iron);border:1px solid var(--line);border-radius:6px;padding:26px}
.field{display:block;margin-bottom:14px}
.field label{display:block;font-size:.72rem;color:var(--ash-dim);margin-bottom:6px;font-family:"Space Mono";letter-spacing:.06em;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;background:var(--graphite);border:1px solid var(--line);border-radius:3px;color:var(--white);padding:12px 14px;font-family:"Barlow";font-size:1rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--molten)}
.field textarea{min-height:118px;resize:vertical}
.field select{appearance:none}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.form-note{color:var(--ash-dim);font-size:.82rem;margin:14px 0 0}
.map-embed{width:100%;height:430px;border:0;display:block;filter:grayscale(.18) contrast(1.04)}
.map-wrap{border:1px solid var(--line);border-radius:6px;overflow:hidden;position:relative;background:#0d0e12 url("/assets/opt/ferro.jpg") center/cover;min-height:360px}
.map-wrap::before{content:"";position:absolute;inset:0;background:rgba(13,14,18,.55)}
.map-open{position:absolute;right:16px;bottom:16px;z-index:3;background:#12141a;color:#fff;border:1px solid var(--line);padding:10px 15px;border-radius:4px;font-family:"Barlow Condensed";font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.92rem;box-shadow:0 6px 20px -8px rgba(0,0,0,.7)}
.map-open:hover{border-color:var(--molten);color:var(--molten)}
.map-embed{position:relative;z-index:2}
@media(max-width:600px){.frow{grid-template-columns:1fr}.map-embed{height:320px}}

/* mobile menu */
.mnav{position:fixed;inset:0;z-index:70;background:rgba(15,17,21,.98);backdrop-filter:blur(6px);transform:translateY(-100%);transition:transform .35s ease;display:flex;flex-direction:column;padding:26px 24px}
.mnav.open{transform:translateY(0)}
.mnav .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.mnav a.mlink{font-family:"Barlow Condensed";font-weight:700;text-transform:uppercase;font-size:1.7rem;color:#fff;padding:11px 0;border-bottom:1px solid var(--line)}
.mnav .mcta{margin-top:auto;display:grid;gap:12px}

@media(max-width:1120px){ .menu,.hcta{display:none} .hamb{display:block} }
@media(max-width:920px){
  .split{grid-template-columns:1fr;gap:30px}
  .split.rev .media{order:0}
  .grid-3{grid-template-columns:1fr 1fr}
  .values,.svc-grid{grid-template-columns:1fr}
  .cta .wrap{grid-template-columns:1fr;gap:28px}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .stats{grid-template-columns:1fr 1fr}
  .grid-3,.grid-6,.prod-grid{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  section{padding:64px 0}
  .hero-inner{padding:110px 0 48px}
  .page-hero{padding:132px 0 48px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .hero-bg,.page-hero .pbg{transform:none}
}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}