*{margin:0;padding:0;box-sizing:border-box}
:root{--navy:#1b3a5c;--navy-dark:#0f2438;--navy-light:#2c5580;--copper:#c8752f;--copper-light:#dd9354;--light:#f4f6f8;--gray:#667085;--gray-dark:#45505f;--border:#e2e5ea;--white:#fff}
html{scroll-behavior:smooth}
body{font-family:"Inter",Arial,Helvetica,sans-serif;background:#fff;color:var(--gray-dark);overflow-x:hidden;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--navy-dark);font-weight:800;line-height:1.2}
.container{width:min(1200px,calc(100% - 48px));margin:auto}

/* Topbar + header */
.topbar{background:var(--navy-dark);color:#cdd6e0;font-size:12px;padding:9px 0}
.topbar-inner{display:flex;justify-content:space-between;align-items:center}
.topbar-left,.topbar-right{display:flex;gap:26px;align-items:center}
.topbar a{transition:.2s}
.topbar a:hover{color:var(--copper-light)}
.topbar .flag{opacity:.85}

.header{background:#fff;box-shadow:0 1px 0 var(--border);position:sticky;top:0;z-index:30}
.header-inner{height:86px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:58px;width:auto}
.logo-text{display:flex;flex-direction:column}
.logo-text strong{font-size:17px;color:var(--navy-dark);font-weight:800;letter-spacing:-.2px;line-height:1.15}
.logo-text span{font-size:9.5px;color:var(--copper);letter-spacing:1.2px;font-weight:700;text-transform:uppercase;margin-top:3px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:13.5px;font-weight:700;color:var(--navy-dark);position:relative;padding:6px 0}
.nav a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--copper);transition:.25s}
.nav a:hover,.nav a.active{color:var(--copper)}
.nav a:hover:after,.nav a.active:after{width:100%}
.header-cta{background:var(--copper);color:#fff;padding:13px 24px;font-size:13px;font-weight:700;border-radius:4px;transition:.2s}
.header-cta:hover{background:var(--navy)}
.menu{display:none;font-size:24px;color:var(--navy-dark);cursor:pointer}

/* Buttons */
.buttons{display:flex;gap:14px;flex-wrap:wrap}
.btn{padding:14px 26px;font-size:13px;font-weight:700;border-radius:4px;display:inline-flex;align-items:center;gap:10px;transition:.2s;border:0;cursor:pointer;font-family:inherit}
.btn-copper{background:var(--copper);color:#fff}
.btn-copper:hover{background:#a85f22}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-dark)}
.btn-outline{border:2px solid var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-outline-white{border:2px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-white:hover{background:#fff;color:var(--navy-dark)}

/* Hero */
.hero{background:linear-gradient(120deg,var(--navy-dark) 0%,var(--navy) 55%,var(--navy-light) 100%);position:relative;overflow:hidden;padding:90px 0 110px}
.hero:before{content:"";position:absolute;inset:0;background:url("../img/industry-pipeline.jpg") center/cover;opacity:.16;mix-blend-mode:overlay}
.hero-inner{position:relative;z-index:1;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#dfe6ee;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:8px 16px;border-radius:30px;margin-bottom:24px}
.eyebrow span{color:var(--copper-light)}
.hero h1{color:#fff;font-size:clamp(34px,4.6vw,52px);letter-spacing:-.5px;margin-bottom:20px}
.hero h1 .accent{color:var(--copper-light)}
.hero p{color:#cdd8e4;font-size:16px;max-width:600px;margin-bottom:34px;line-height:1.8}
.hero-strip{position:relative;z-index:1;margin-top:60px;display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.18);padding-top:32px}
.hero-strip-item{flex:1;min-width:180px;padding-right:24px}
.hero-strip-item strong{display:block;color:#fff;font-size:30px;font-weight:800}
.hero-strip-item span{color:#aebccc;font-size:12.5px;font-weight:600}

/* Sections */
.section{padding:100px 0}
.section-alt{background:var(--light)}
.section-header{max-width:680px;margin-bottom:56px}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow-sm{color:var(--copper);font-weight:800;font-size:12.5px;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:14px;display:block}
.section-header h2{font-size:34px;letter-spacing:-.5px}
.section-header p{color:var(--gray);font-size:15px;margin-top:16px;line-height:1.85}

/* About split */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-image{position:relative}
.about-image img{width:100%;height:460px;object-fit:cover;border-radius:8px}
.about-badge{position:absolute;left:-24px;bottom:-24px;background:var(--copper);color:#fff;padding:24px 30px;border-radius:8px;box-shadow:0 14px 30px rgba(0,0,0,.18)}
.about-badge strong{display:block;font-size:38px;font-weight:800;line-height:1}
.about-badge span{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.about-copy p{color:var(--gray);font-size:14.5px;margin-top:16px;line-height:1.9}
.check-list{list-style:none;margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;font-weight:600;color:var(--navy-dark)}
.check-list li:before{content:"✓";flex:none;width:20px;height:20px;background:var(--copper);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:900}

/* Value / feature cards */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:34px 28px;transition:.25s}
.value-card:hover{border-color:var(--copper);box-shadow:0 16px 34px rgba(20,40,70,.08);transform:translateY(-4px)}
.value-icon{width:52px;height:52px;background:var(--light);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--copper);margin-bottom:20px}
.value-card h3{font-size:16px;margin-bottom:10px}
.value-card p{color:var(--gray);font-size:13px;line-height:1.75}

/* Products */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.product-card:hover{box-shadow:0 16px 34px rgba(20,40,70,.1);border-color:var(--copper)}
.product-card-top{padding:26px 26px 0}
.product-tag{display:inline-block;background:var(--light);color:var(--navy);font-size:10px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;padding:6px 12px;border-radius:20px;margin-bottom:14px}
.product-card h3{font-size:18px;margin-bottom:10px}
.product-card-body{padding:6px 26px 26px;flex:1;display:flex;flex-direction:column}
.product-card p{color:var(--gray);font-size:13px;line-height:1.75;flex:1}
.product-spec{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);font-size:11.5px;color:var(--navy);font-weight:700}
.product-spec span{color:var(--gray);font-weight:500}

/* Industries */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.industry-card{position:relative;border-radius:8px;overflow:hidden;height:220px}
.industry-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
.industry-card:hover img{transform:scale(1.06)}
.industry-card-overlay{position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(15,36,56,.92));display:flex;align-items:flex-end;padding:20px}
.industry-card h3{color:#fff;font-size:15px}

/* Stats band */
.stats-band{background:var(--navy-dark);padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats-grid .stat strong{display:block;color:#fff;font-size:38px;font-weight:800}
.stats-grid .stat span{color:#9fb0c2;font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.process-card{position:relative;padding-top:8px}
.process-num{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:20px}
.process-card h3{font-size:15.5px;margin-bottom:10px}
.process-card p{color:var(--gray);font-size:13px;line-height:1.75}

/* Certifications */
.cert-notice{background:var(--light);border:1px dashed var(--border);border-radius:8px;padding:26px 30px;font-size:13.5px;color:var(--gray-dark);margin-bottom:40px}
.cert-notice strong{color:var(--navy)}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-card{border:1px solid var(--border);border-radius:8px;padding:26px;text-align:center}
.cert-card .cert-mark{width:56px;height:56px;border-radius:50%;background:var(--light);color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 16px}
.cert-card h3{font-size:14px;margin-bottom:8px}
.cert-card p{color:var(--gray);font-size:12px;line-height:1.6}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy-dark),var(--navy));padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-band:before{content:"";position:absolute;inset:0;background:url("../img/industry-tanks.jpg") center/cover;opacity:.14;mix-blend-mode:overlay}
.cta-band-inner{position:relative;z-index:1;max-width:640px;margin:auto}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:16px}
.cta-band p{color:#cdd8e4;font-size:14.5px;margin-bottom:30px}
.cta-band .buttons{justify-content:center}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}
.contact-info-card{background:var(--navy-dark);color:#fff;border-radius:10px;padding:40px}
.contact-info-card h3{color:#fff;font-size:19px;margin-bottom:8px}
.contact-info-card>p{color:#aebccc;font-size:13px;margin-bottom:28px;line-height:1.8}
.contact-info-item{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-top:1px solid rgba(255,255,255,.12)}
.contact-info-item:first-of-type{border-top:0}
.contact-icon{width:38px;height:38px;background:rgba(255,255,255,.08);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--copper-light);flex:none;font-size:15px}
.contact-info-item strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:#fff;margin-bottom:4px}
.contact-info-item span{font-size:13px;color:#c3cedb;line-height:1.6}
.contact-pending{margin-top:24px;background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.25);border-radius:6px;padding:14px 16px;font-size:11.5px;color:#dfe6ee}
.contact-form-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:12px;font-weight:700;color:var(--navy-dark)}
.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);border-radius:5px;padding:13px 14px;font-family:inherit;font-size:13.5px;background:var(--light);color:var(--navy-dark)}
.form-group textarea{resize:vertical;min-height:130px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--copper);background:#fff}
.form-note{margin-top:16px;font-size:12px;color:var(--copper);display:none;font-weight:700}
.form-note.show{display:block}
.map-frame{margin-top:80px;height:360px;width:100%;border:0;border-radius:10px}

/* Footer */
.footer{background:var(--navy-dark);color:#c3cedb;padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.footer-brand img{height:44px}
.footer-brand strong{color:#fff;font-size:15px;display:block}
.footer-brand span{color:var(--copper-light);font-size:9px;letter-spacing:1px;text-transform:uppercase;font-weight:700}
.footer p.desc{font-size:12.5px;color:#9fb0c2;line-height:1.8;max-width:280px}
.footer h4{color:#fff;font-size:13.5px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:20px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:13px;color:#aebccc;transition:.2s}
.footer-links a:hover{color:var(--copper-light)}
.footer-trademark{padding:26px 0;font-size:11px;line-height:1.8;color:#7f92a8}
.footer-bottom{padding:20px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:11px;color:#7f92a8;text-transform:uppercase;letter-spacing:.5px}

/* Page banner (inner pages) */
.page-banner{background:linear-gradient(120deg,var(--navy-dark),var(--navy));padding:60px 0 50px;position:relative;overflow:hidden}
.page-banner:before{content:"";position:absolute;inset:0;background:url("../img/composite-riser-install.jpg") center/cover;opacity:.15;mix-blend-mode:overlay}
.page-banner-inner{position:relative;z-index:1}
.page-banner h1{color:#fff;font-size:36px}
.breadcrumb{margin-top:14px;font-size:12.5px;color:#aebccc}
.breadcrumb a{color:var(--copper-light);font-weight:700}
.breadcrumb .sep{margin:0 8px;color:#5a6d82}

/* 404 */
.error-page{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 20px}
.error-code{font-size:clamp(90px,15vw,160px);font-weight:800;color:var(--copper);line-height:.9}
.error-page h2{font-size:26px;margin-top:6px}
.error-page p{color:var(--gray);font-size:14px;margin:18px auto 30px;max-width:400px}

@media(max-width:1100px){
.nav{display:none}.menu{display:block}
.value-grid,.industry-grid,.cert-grid{grid-template-columns:1fr 1fr}
.product-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
.about-grid,.contact-grid{grid-template-columns:1fr}
.hero-strip{flex-direction:column;gap:20px}
.stats-grid{grid-template-columns:1fr 1fr;gap:24px}
.process-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
.container{width:calc(100% - 32px)}
.header-cta{display:none}
.section{padding:70px 0}
.value-grid,.industry-grid,.cert-grid,.product-grid,.process-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:1fr 1fr}
.form-row{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.check-list{grid-template-columns:1fr}
.topbar-left{gap:14px}
.topbar-right{display:none}
.about-badge{position:static;margin-top:-40px;margin-left:20px;display:inline-block}
}