:root{--navy:#102c3f;--teal:#087f8b;--gold:#d6ac60;--ink:#163344;--muted:#647580;--paper:#f2f6f6;--line:#dce5e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:5px}header{height:94px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;font-size:21px;font-weight:800;letter-spacing:2px;line-height:1.2}.brand small{display:block;font-size:8px;letter-spacing:1.7px;margin-top:7px;color:var(--muted)}.brand-mark{position:relative;background:var(--navy);color:white;padding:10px 8px;font-size:22px;letter-spacing:-2px}.brand-mark span{color:var(--gold);font-size:17px;vertical-align:top;letter-spacing:0}nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:600}.nav-cta{border:1px solid var(--line);padding:12px 20px}.menu{display:none}.hero{display:grid;grid-template-columns:57% 43%;background:var(--navy);color:white;min-height:660px}.hero-copy{padding:70px 9% 25px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2.3px;color:var(--teal);margin:0 0 23px}.hero .eyebrow{color:#b1c7cd;font-size:10px}h1{font-size:clamp(44px,5vw,76px);font-weight:500;line-height:1.07;letter-spacing:-3px;margin:25px 0}h1 em{font-style:normal;color:#a1d9d9}.hero-intro{max-width:440px;color:#c5d3dc;font-size:17px;line-height:1.8}.actions{display:flex;gap:25px;align-items:center;margin:30px 0 55px}.button{border:0;display:inline-flex;justify-content:space-between;align-items:center;gap:25px;padding:15px 23px;background:var(--teal);color:white;font-size:13px;font-weight:600;cursor:pointer}.hero .button{background:var(--gold);color:var(--navy)}.text-link{font-size:13px;font-weight:600;border-bottom:1px solid currentColor;padding-bottom:5px}.hero-bottom{border-top:1px solid #ffffff2b;padding-top:20px;display:flex;gap:24px;font-size:9px;letter-spacing:1px;color:#a6bdc9}.hero-image{position:relative;overflow:hidden}.hero-image>img{width:100%;height:100%;object-fit:cover;position:absolute;object-position:center 45%}.image-label{position:absolute;bottom:30px;left:25px;right:25px;background:#102c3fed;padding:18px 22px;border-left:3px solid var(--gold)}.image-label span{display:block;color:#9cb2c0;font-size:9px;letter-spacing:2px}.image-label strong{font-size:15px;font-weight:500}.wrap{width:90%;max-width:1240px;margin:auto}.about{padding:85px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:start}h2{font-size:clamp(29px,3vw,43px);font-weight:500;line-height:1.18;letter-spacing:-1.2px;margin:0 0 25px}p{font-size:14px;color:var(--muted);margin:0 0 20px}.lead{font-size:19px;color:var(--ink);line-height:1.65}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.capabilities{padding:15px 0 85px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:30px;background:var(--paper);border-top:2px solid var(--teal);transition:transform .2s,background .2s}.card:hover{transform:translateY(-5px);background:#e7f0f0}.number{font-size:13px;color:var(--teal)}h3{font-size:20px;font-weight:500;line-height:1.3;margin:22px 0 15px}.card p{min-height:90px}.card-link{font-size:12px;color:var(--teal);font-weight:700}.materials{background:var(--navy);color:white;padding:75px 0}.materials .eyebrow{color:#8fd0d2}.materials p{color:#b6c8d3}.materials .button{margin-top:12px}.table-row{display:grid;grid-template-columns:1fr 1fr;padding:18px 0;border-bottom:1px solid #ffffff26;align-items:center}.table-head{font-size:10px;letter-spacing:1.5px;color:#9bb6c5;padding-top:0}.table-row strong{font-size:22px;font-weight:500}.table-row small{display:block;font-size:11px;color:#a7bdc9}.table-row>span{font-size:13px}.table-note{font-size:11px!important;margin-top:20px}.spec-strip{display:grid;grid-template-columns:1fr 1fr 1.4fr;border-top:1px solid #ffffff26;margin-top:40px;padding-top:25px;gap:25px}.spec-strip small{display:block;font-size:9px;letter-spacing:1.5px;color:#9bb6c5;margin-bottom:8px}.spec-strip strong{font-size:14px;font-weight:500}.detail{padding:95px 0 70px}.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:9px}.photo-grid img{width:100%;height:160px;object-fit:cover}.photo-grid span{grid-column:1/-1;font-size:9px;color:var(--muted);letter-spacing:1.2px}.feature-list{list-style:none;padding:0;margin:25px 0}.feature-list li{border-top:1px solid var(--line);padding:17px 0}.feature-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:5px}.feature-list span{font-size:13px;color:var(--muted);display:block}.welding{padding:45px 0 85px;border-top:1px solid var(--line)}.welding-visual{display:flex;flex-direction:column;align-items:center;background:#f8fafb;padding:25px}.welding-visual img{max-width:100%;width:360px;max-height:240px;object-fit:contain}.quality{background:var(--paper);padding:75px 0}.quality-items>div{display:flex;gap:22px;border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:20px}.quality-items>div>span{color:var(--teal);font-size:12px;padding-top:3px}.quality-items h3{margin:0 0 10px;font-size:17px}.quality-items p{font-size:12px;margin:0}.process{padding:85px 0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:35px}.steps>div{border-top:1px solid var(--line);padding-top:20px}.steps span{font-size:30px;color:var(--teal);font-weight:500}.steps h3{font-size:17px;margin:15px 0 12px}.steps p{font-size:13px}.contact{background:var(--navy);color:white;padding:75px 0}.contact .eyebrow{color:#9ad6d5}.contact p{color:#b8cbd5}.contact-email{display:block;font-size:clamp(18px,2vw,26px);margin:32px 0 15px;color:#fff}.whatsapp{font-size:14px;color:#9ad6d5}form{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{font-size:11px;letter-spacing:.4px}input,select,textarea{display:block;width:100%;border:1px solid #ffffff36;background:#17384c;color:white;border-radius:0;padding:12px;margin-top:7px;font-size:13px;outline-offset:3px}input::placeholder,textarea::placeholder{color:#9ab0be}label:nth-child(3),label:nth-child(4),form .button,.form-note,#form-status{grid-column:1/-1}textarea{resize:vertical}form .button{justify-content:center}.form-note{font-size:11px;margin:0}#form-status{font-size:12px;margin:0}footer{padding:35px 0;display:flex;align-items:center;justify-content:space-between;gap:35px}footer p{margin:0;font-size:12px;max-width:460px}footer small{font-size:10px}footer>a:last-child{font-size:12px;white-space:nowrap}
@media(min-width:1600px){.hero-copy{padding-left:max(9%,calc((100vw - 1240px)/2))}}@media(max-width:1000px){nav{gap:17px}.hero-copy{padding:50px 7% 25px}h1{font-size:55px}.actions{flex-direction:column;align-items:start;gap:18px;margin-bottom:35px}.two-col{gap:35px}.hero-bottom{gap:13px}.card{padding:22px}footer{flex-wrap:wrap}}@media(max-width:700px){header{height:76px}.brand{font-size:18px}.menu{display:block;background:none;border:1px solid var(--line);padding:5px 12px;color:var(--navy);font-size:22px}nav{display:none;position:absolute;top:76px;left:0;right:0;background:white;padding:22px 5%;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}nav.open{display:flex}.hero{grid-template-columns:1fr}.hero-copy{padding:45px 6% 30px}h1{font-size:52px}.hero .eyebrow{font-size:9px}.hero-image{height:370px}.hero-image>img{object-position:center 46%}.hero-bottom{justify-content:space-between}.two-col{grid-template-columns:1fr;gap:30px}.about,.quality,.process,.contact{padding:55px 0}.capabilities{padding-bottom:55px}.section-heading{display:block}.section-heading>a{display:inline-block;margin-bottom:15px}.cards{grid-template-columns:1fr}.card p{min-height:0}.card h3{margin-top:12px}.materials{padding:55px 0}.spec-strip{grid-template-columns:1fr;gap:22px}.detail{padding:55px 0}.detail .photo-grid{order:2}.photo-grid img{height:115px}.welding{padding:40px 0 55px}.steps{grid-template-columns:1fr 1fr;gap:20px}form{grid-template-columns:1fr}label{grid-column:1/-1}footer{align-items:start;flex-direction:column;gap:25px}.contact-email{font-size:22px}.hero-intro{font-size:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}
/* Multi-page presentation */
nav a[aria-current="page"]{color:var(--teal)}
.home-hero{min-height:590px;grid-template-columns:60% 40%}
.home-hero .hero-copy{padding-top:75px;padding-bottom:30px}
.home-hero h1{font-size:clamp(44px,4.6vw,70px);letter-spacing:-2.8px;line-height:1.12;margin:40px 0 25px}
.home-hero .hero-intro{font-size:17px;max-width:480px}
.home-hero .actions{margin-bottom:60px}
.home-hero .hero-bottom{letter-spacing:2px;gap:30px}
.home-expertise{padding:65px 0 60px}
.home-expertise h2{font-size:31px;margin-bottom:5px}
.home-expertise .section-heading{margin-bottom:30px}
.expertise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.expertise-card{display:block;border-bottom:1px solid var(--line)}
.expertise-photo{height:205px;overflow:hidden;position:relative;background:var(--paper)}
.expertise-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.material-photo img{object-position:50% 40%}
.parts-photo img{object-fit:contain;padding:15px;background:#fafafa}
.expertise-photo>span{position:absolute;bottom:0;left:0;background:var(--navy);color:white;padding:7px 14px;font-size:11px;letter-spacing:1px}
.expertise-copy{padding:20px 0}
.expertise-copy h3{display:flex;justify-content:space-between;font-size:19px;margin:0 0 7px;font-weight:500}
.expertise-copy h3 span{color:var(--teal)}
.expertise-copy p{font-size:12px;margin:0}
.expertise-card:hover img{transform:scale(1.035)}
.home-about{padding:45px 0;background:var(--paper)}
.home-about>.wrap{display:grid;grid-template-columns:.65fr 1fr 1.1fr;gap:40px;align-items:center}
.home-about .eyebrow{font-size:10px;margin:0;line-height:1.9}
.home-about h2{font-size:31px;margin:0}
.home-about p{font-size:13px;margin-bottom:15px}
.project-cta{background:var(--navy);padding:45px 0;color:white}
.project-cta>.wrap{display:flex;justify-content:space-between;align-items:center;gap:35px}
.project-cta .eyebrow{font-size:10px;color:#a7ced0;margin-bottom:12px}
.project-cta h2{font-size:32px;margin:0}
.project-cta .button{background:var(--gold);color:var(--navy)}
.footer-links{display:flex;gap:22px;font-size:12px;flex-wrap:wrap}
footer p{font-size:11px;text-align:right}
.page-intro{padding:30px 0 55px;background:var(--paper);border-bottom:1px solid var(--line)}
.breadcrumb{font-size:10px;color:var(--muted)}
.page-intro .eyebrow{margin-top:35px;margin-bottom:15px}
.page-intro h1{font-size:clamp(38px,4.2vw,62px);letter-spacing:-2px;margin:0 0 15px;color:var(--navy);max-width:850px}
.page-intro p:last-child{font-size:16px;margin:0;max-width:700px}
.inner-page .materials{padding-top:65px}
.inner-page .detail{padding:65px 0}
.inner-page .welding{border:0;padding:65px 0}
.inner-page .quality{background:white;padding:65px 0}
.inner-page .process{padding:40px 0 65px;border-top:1px solid var(--line)}
.related{padding:30px 0 45px;border-top:1px solid var(--line)}
.related .eyebrow{margin-bottom:15px}
.related>div{display:flex;gap:35px;flex-wrap:wrap}
.related a{font-size:16px;border-bottom:1px solid var(--line);padding-bottom:8px}
.brochure-band{display:flex;justify-content:space-between;align-items:center;padding:25px 0 45px;gap:25px}
.brochure-band p{margin:0}
@media(max-width:1100px){nav{gap:19px}.home-hero h1{font-size:55px}.home-hero .hero-copy{padding-top:60px}.home-about>.wrap{gap:25px}.expertise-copy h3{font-size:16px}.footer-links{gap:15px}}
@media(max-width:850px) and (min-width:701px){header{padding:0 3%}nav{gap:12px;font-size:11px}.nav-cta{padding:10px}.brand{font-size:17px}.home-hero h1{font-size:44px}.home-hero .hero-bottom{gap:15px;letter-spacing:1px}.home-about>.wrap{grid-template-columns:1fr 1.4fr}.home-about .eyebrow{grid-column:1/-1}.expertise-photo{height:160px}}
@media(max-width:700px){.home-hero{grid-template-columns:1fr;min-height:0}.home-hero .hero-copy{padding:40px 6% 25px}.home-hero h1{font-size:clamp(34px,8.8vw,55px);letter-spacing:-1.6px;margin:28px 0 20px}.home-hero .hero-intro{font-size:15px}.home-hero .actions{margin:25px 0 30px}.home-hero .hero-bottom{letter-spacing:1px;gap:10px;font-size:8px}.home-hero .hero-image{height:270px}.home-expertise{padding:40px 0}.home-expertise h2{font-size:27px}.expertise-grid{grid-template-columns:1fr;gap:25px}.expertise-photo{height:200px}.expertise-copy{padding:15px 0}.expertise-copy h3{font-size:20px}.home-about{padding:35px 0}.home-about>.wrap{grid-template-columns:1fr;gap:20px}.home-about h2{font-size:30px}.home-about p{max-width:480px}.project-cta{padding:35px 0}.project-cta>.wrap{flex-direction:column;align-items:start;gap:25px}.project-cta h2{font-size:28px}.footer-links{gap:18px}footer p{text-align:left}.page-intro{padding-bottom:35px}.page-intro h1{font-size:40px;letter-spacing:-1.4px}.page-intro p:last-child{font-size:14px}.inner-page .detail,.inner-page .welding,.inner-page .quality{padding:40px 0}.inner-page .process{padding:35px 0 40px}.related a{font-size:14px}.brochure-band{align-items:start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){.expertise-photo img{transition:none}}

.illustration-label{position:absolute;right:8px;bottom:8px;padding:3px 6px;background:#ffffffdd;color:#647580;font-size:8px;letter-spacing:.2px}.material-photo img{object-position:center}

/* Unified high-resolution product illustrations */
.product-visual{margin:0;background:#f5f6f7;border:1px solid var(--line);overflow:hidden;min-width:0}
.product-visual img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#f5f6f7}
.product-visual figcaption{padding:14px 18px;border-top:1px solid var(--line);font-size:9px;letter-spacing:1.5px;color:var(--teal);line-height:1.7}
.product-visual figcaption span{display:block;color:var(--muted);letter-spacing:0;font-size:11px;margin-top:4px}
.material-product{padding:45px 0}.material-product .product-visual{max-width:800px;margin:auto}
@media(max-width:700px){.material-product{padding:30px 0}.product-visual figcaption{padding:12px 14px}.detail .two-col>.product-visual{order:2}}

/* Brochure-aligned material grades and bar specifications */
.grade-intro{display:flex;justify-content:space-between;gap:35px;align-items:center;margin-bottom:32px}.grade-intro h2{margin-bottom:15px}.grade-intro p{max-width:640px;margin-bottom:0}.grade-intro .button{flex-shrink:0}
.grade-group{margin-bottom:30px}.grade-group h3{padding:13px 18px;background:#167c88;font-size:18px;margin:0;color:white}.grade-group table{border-collapse:collapse;width:100%;text-align:left;table-layout:fixed}.grade-group th,.grade-group td{padding:14px 18px;border-bottom:1px solid #ffffff26;font-size:15px;font-weight:400;vertical-align:top;overflow-wrap:anywhere}.grade-group thead th{font-size:11px;letter-spacing:1px;color:#b7cbd3}.grade-group th:first-child{width:25%}.grade-group th:nth-child(2){width:22%}.grade-group tbody tr:nth-child(odd){background:#ffffff06}.more-materials h3{font-size:19px;margin-bottom:12px}.more-materials p{margin-bottom:0}.more-materials a{color:white;text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.grade-intro{flex-direction:column;align-items:start;gap:20px}.grade-group th,.grade-group td{padding:12px 9px;font-size:12px}.grade-group thead th{font-size:9px;letter-spacing:.3px}.grade-group h3{font-size:16px;padding:12px}.grade-group th:first-child{width:25%}.grade-group th:nth-child(2){width:24%}}