:root{--gold:#f4c400;--gold2:#ffd83d;--ink:#151a20;--muted:#5b626b;--white:#fff;--line:#e7e7e7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.6;background:#fff}a{color:inherit;text-decoration:none}.container{width:min(1180px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #ddd;box-shadow:0 3px 16px #00000012}.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;flex:1}.brand strong{display:block;font-size:20px;letter-spacing:.5px}.brand small{display:block;font-size:11px;letter-spacing:1.6px}.brand-mark{font-size:27px;font-weight:900;font-style:italic;color:#75382e}.brand-mark span{color:var(--gold)}nav{display:flex;gap:25px;align-items:center}nav a{font-size:13px;font-weight:700;letter-spacing:.4px;padding:27px 0;position:relative}nav a.active,nav a:hover{color:#c39400}nav a.active:after{content:"";position:absolute;bottom:17px;left:0;right:0;height:3px;background:var(--gold)}.call-btn{background:var(--gold);padding:12px 18px;border-radius:28px;font-size:13px;font-weight:800;white-space:nowrap}.menu-toggle{display:none;background:none;border:0;font-size:27px}
.hero{min-height:490px;position:relative;display:flex;align-items:center;background:linear-gradient(90deg,#101419 0%,#14191eaa 40%,#00000020),radial-gradient(circle at 78% 50%,#7e858a 0 4%,transparent 5%),linear-gradient(120deg,#12171c,#51575b 48%,#191d21);overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:repeating-radial-gradient(ellipse at 85% 52%,transparent 0 42px,#777 44px 60px,#202428 62px 80px);opacity:.2;transform:translateX(80px) scaleX(1.4)}.hero-content{position:relative;z-index:2;color:#fff}.eyebrow{font-size:28px;letter-spacing:1px;margin:0;font-weight:700}.hero h1{font-size:57px;line-height:1;margin:8px 0 18px;letter-spacing:-1px}.hero h1 span{color:var(--gold)}.hero-copy{max-width:480px;font-size:18px}.btn{display:inline-flex;gap:25px;align-items:center;background:var(--gold);padding:14px 22px;border-radius:4px;font-weight:900;margin-top:12px}.btn:hover{background:var(--gold2);transform:translateY(-1px)}.section{padding:75px 0}.two-col{display:grid;grid-template-columns:1fr 1.15fr;gap:55px;align-items:center}.section-label{font-weight:900;letter-spacing:2px;font-size:14px;margin:0 0 12px}.section-label:before{content:"";display:inline-block;width:35px;height:3px;background:var(--gold);vertical-align:middle;margin-right:15px}.section-label.centered{text-align:center}.section-label.centered:before{display:none}.about h2{font-size:45px;line-height:1.05;margin:0 0 20px}.about p{color:var(--muted);font-size:16px}.spec-card{box-shadow:0 12px 30px #00000012}.steel-visual{height:260px;background:linear-gradient(135deg,#23282c,#d8dadd 32%,#383d41 52%,#cfd1d3 78%,#22272a);position:relative;overflow:hidden}.steel-visual:after{content:"";position:absolute;width:130%;height:180px;right:-20%;top:55px;background:repeating-linear-gradient(90deg,#222 0 32px,#9ba0a3 33px 43px,#24282c 44px 75px);transform:skewY(-12deg);opacity:.8}.gold-card{background:var(--gold);padding:20px 28px}.gold-card h3{margin:0 0 8px}.gold-card ul{margin:0;padding-left:20px}.products{padding-top:15px}.product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:25px}.product-card{border:1px solid #ddd;background:#fff;transition:.25s;box-shadow:0 5px 15px #0000000b}.product-card:hover{transform:translateY(-6px);box-shadow:0 12px 25px #0002}.product-image{height:150px;background-color:#c9cdd0;position:relative;overflow:hidden}.product-image:after{content:"";position:absolute;inset:25px;background:repeating-radial-gradient(ellipse at center,#222 0 13px,#aeb3b6 14px 25px,#202428 26px 36px);opacity:.75}.product-image.ppgi{background:linear-gradient(135deg,#1f73b7,#fff 40%,#d34d3c 65%,#e5d4a0)}.product-image.plate{background:linear-gradient(135deg,#d9dde0,#777 50%,#eef0f1)}.product-image.structural{background:linear-gradient(135deg,#111,#7c8082)}.product-image.bars{background:repeating-linear-gradient(165deg,#34383b 0 10px,#9ca1a3 11px 18px)}.product-image.slit{background:linear-gradient(90deg,#333,#eee 45%,#333)}.product-card h3{margin:0;padding:10px 6px;background:var(--gold);font-size:13px;text-align:center;line-height:1.15}.special{background:var(--ink);color:#fff;padding:38px 0}.section-label.light{color:#fff}.special-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.special-grid>div{display:flex;gap:18px;align-items:center;border-right:1px solid #ffffff55;padding-right:20px}.special-grid>div:last-child{border:0}.icon{color:var(--gold);font-size:46px;line-height:1}.special-grid p{margin:0}.process{padding-bottom:50px}.process-row{display:flex;align-items:flex-start;justify-content:center;gap:12px;margin-top:35px}.step{text-align:center;min-width:90px}.step b{width:65px;height:65px;border:2px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:auto;font-size:12px}.step span{display:block;font-size:11px;font-weight:700;margin-top:10px}.process-row i{color:#e8b700;font-style:normal;font-size:25px;margin-top:18px}.expansion{background:#fafafa}.factory-art{height:310px;background:linear-gradient(#162028,#27383e 45%,#9b9d9c 46%,#ddd 48%,#727678 52%,#262c2f);position:relative;overflow:hidden}.factory-art:before{content:"";position:absolute;left:7%;right:7%;bottom:22px;height:100px;background:repeating-linear-gradient(90deg,#bfc4c6 0 40px,#4c5356 41px 53px);border-radius:8px;transform:perspective(300px) rotateX(25deg)}.expansion p{color:var(--muted)}footer{background:var(--ink);color:#fff}.footer-grid{padding:45px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.footer-grid h3{color:var(--gold);font-size:15px;letter-spacing:1px}.footer-grid p{color:#ddd}.footer-grid a:hover{color:var(--gold)}.btn.small{font-size:13px;margin-top:0}.copyright{text-align:center;background:var(--gold);color:#171717;padding:10px;font-size:12px;font-weight:700}.whatsapp{position:fixed;right:22px;bottom:22px;width:54px;height:54px;background:#25d366;color:#fff;border-radius:50%;display:grid;place-items:center;font-size:27px;box-shadow:0 6px 20px #0003;z-index:60}
@media(max-width:950px){nav{gap:14px}.product-grid{grid-template-columns:repeat(3,1fr)}.hero h1{font-size:48px}.two-col{grid-template-columns:1fr}.process-row{overflow:auto;justify-content:flex-start;padding-bottom:15px}.special-grid{grid-template-columns:1fr}.special-grid>div{border-right:0;border-bottom:1px solid #ffffff33;padding:15px 0}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.nav-wrap{min-height:68px}.brand strong{font-size:15px}.brand small{font-size:8px}.call-btn{display:none}.menu-toggle{display:block;margin-left:auto}nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:15px 5%;box-shadow:0 10px 20px #0002}nav.open{display:flex}nav a{padding:10px 0}.hero{min-height:530px}.hero h1{font-size:42px}.eyebrow{font-size:21px}.hero-copy{font-size:16px}.section{padding:55px 0}.about h2{font-size:36px}.product-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.process-row{gap:8px}.process-row i{font-size:18px}.step{min-width:82px}}