:root{--blue:#0b3a6e;--navy:#082746;--orange:#f28c28;--text:#1f2937;--muted:#667085;--light:#f4f7fa;--border:#dfe6ee}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);line-height:1.65}.container{width:min(1120px,92%);margin:auto}a{text-decoration:none;color:inherit}.header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border)}.nav{min-height:76px;display:flex;align-items:center;gap:25px}.logo{font-weight:900;font-size:21px;letter-spacing:1px;color:var(--blue);line-height:1}.logo small{display:block;font-size:8px;letter-spacing:3px;color:var(--orange);margin-top:5px}.nav nav{display:flex;gap:20px;margin-left:auto;font-size:14px;font-weight:700}.nav nav a:hover{color:var(--orange)}.quote,.primary{background:var(--blue);color:#fff}.quote{padding:11px 18px;border-radius:6px;font-weight:700;font-size:14px}.menu{display:none;background:none;border:0;font-size:25px}.hero{padding:105px 0;background:linear-gradient(135deg,#f8fbff,#eaf2fa)}.hero-grid,.split,.calc-grid,.contact-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:65px;align-items:center}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:900;color:var(--orange);margin:0 0 12px}h1,h2,h3{font-family:"Plus Jakarta Sans",Inter,Arial,sans-serif;line-height:1.2;color:var(--navy)}h1{font-size:56px;margin:0 0 20px}h2{font-size:38px;margin:0 0 18px}h3{font-size:20px}.lead{font-size:18px;color:var(--muted);max-width:680px}.buttons{display:flex;gap:12px;margin:28px 0}.btn{display:inline-block;padding:13px 22px;border-radius:6px;font-weight:800;border:0;cursor:pointer;font-size:15px}.outline{border:1px solid var(--blue);color:var(--blue);background:#fff}.trust{display:flex;gap:24px;font-size:13px;font-weight:700;color:#566477}.hero-box{background:#fff;padding:42px;border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 45px #0b3a6e12}.cx{width:76px;height:76px;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:14px;font-weight:900;font-size:24px;margin-bottom:20px}.section{padding:85px 0}.light{background:var(--light)}.split p,.solutions p,.cards p,.features p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.cards article{background:#fff;border:1px solid var(--border);padding:28px;border-radius:10px}.cards b,.features b{color:var(--orange)}.cards a{color:var(--blue);font-weight:800}.solutions{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.solutions div{padding:25px;background:#fff;border:1px solid var(--border);border-radius:10px}.calculator{background:#fff;border:1px solid var(--border);padding:28px;border-radius:12px;display:grid;gap:14px}.calculator label{font-weight:700;font-size:14px}.calculator input,.contact input,.contact textarea{width:100%;padding:12px;margin-top:6px;border:1px solid #ccd6e2;border-radius:6px;font:inherit}.result{text-align:center;background:#eef5fb;padding:17px;border-radius:8px}.result small,.result strong{display:block}.result strong{font-size:28px;color:var(--blue)}.full{width:100%;text-align:center}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}.features div{padding:23px;border:1px solid var(--border);border-top:3px solid var(--orange)}.contact{background:var(--navy);color:#dce7f1;padding:85px 0}.contact h2{color:#fff}.contact form{display:grid;gap:12px}.contact .primary{width:max-content}.footer{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding:55px 0;color:#b9c7d6}.footer h4{color:#fff}.footer a{display:block;margin:7px 0}.footer .logo{display:inline-block}.copyright{text-align:center;border-top:1px solid #243e55;background:#061b2f;color:#aebdca;padding:17px;font-size:13px}@media(max-width:900px){.nav nav,.quote{display:none}.menu{display:block;margin-left:auto}.hero{padding:70px 0}.hero-grid,.split,.calc-grid,.contact-grid{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}.solutions,.features{grid-template-columns:repeat(2,1fr)}h1{font-size:44px}}@media(max-width:600px){.cards,.solutions,.features,.footer{grid-template-columns:1fr}.hero{padding:55px 0}h1{font-size:36px}h2{font-size:30px}.trust{flex-direction:column;gap:6px}.buttons{flex-wrap:wrap}}
.logo{display:flex;align-items:center;gap:10px}.logo img{width:52px;height:52px;object-fit:contain}.logo span{display:block}.whatsapp{background:#168c45;color:#fff;margin-left:8px}@media(max-width:600px){.logo img{width:44px;height:44px}.whatsapp{margin-left:0}}

.section-intro{max-width:760px;color:var(--muted);margin:0 0 30px}.product-category{margin-top:42px}.product-category>h3{font-size:25px;margin-bottom:18px}.product-category .cards{margin-top:0}.product-cta{margin-top:50px;padding:32px;background:var(--navy);border-radius:12px;color:#dce7f1}.product-cta h3{color:#fff;margin-top:0}.product-cta p{margin-bottom:20px}

.split{display:grid;grid-template-columns:1.4fr .8fr;gap:45px;align-items:center}
.info-box{background:#f5f8fb;border:1px solid #e3eaf0;border-radius:14px;padding:30px}
.info-box h3{margin-top:0}
.info-box ul{padding-left:20px;line-height:2}
.application-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}
.application-grid div{background:#fff;border:1px solid #e2e8ee;border-radius:10px;padding:18px;font-weight:700}
.cta-section{background:#0c2745;color:#fff;text-align:center}
.cta-section h2{color:#fff}
.cta-section p{color:#dbe6ef}
.cta-actions{display:flex;justify-content:center;gap:12px;margin-top:22px}
.btn.secondary{background:#fff;color:#0c2745}
@media(max-width:800px){.split{grid-template-columns:1fr}.application-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.application-grid{grid-template-columns:1fr}.cta-actions{flex-direction:column;align-items:center}}

.product-hero{background:linear-gradient(135deg,#eef5fb,#fff)}
.product-hero h1{font-size:clamp(36px,6vw,62px);margin:10px 0 18px}
.product-hero .lead{max-width:800px;font-size:20px;color:var(--muted)}
.product-detail-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:45px}
.product-detail-grid h2{margin-top:30px}
.product-detail-grid h2:first-child{margin-top:0}
.tds-box{background:#f5f8fb;border:1px solid #e0e7ee;border-radius:14px;padding:28px;height:max-content}
.tds-box h3{margin-top:0}
.site-footer{padding:40px 0;background:#071c31;color:#dce7f1}
.site-footer p{margin:6px 0}
@media(max-width:800px){.product-detail-grid{grid-template-columns:1fr}}

.image-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.image-gallery figure{margin:0;background:#fff;border:1px solid #e1e8ef;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(9,35,61,.06)}
.image-gallery img{display:block;width:100%;height:190px;object-fit:cover}
.image-gallery figcaption{padding:15px;font-weight:700;color:#0c2745}
.product-page-image{display:block;width:min(760px,100%);height:300px;object-fit:cover;border-radius:16px;margin:0 0 25px;box-shadow:0 10px 30px rgba(9,35,61,.12)}
.tds-note{font-size:13px;color:var(--muted);margin-top:10px}
@media(max-width:900px){.image-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.image-gallery{grid-template-columns:1fr}.image-gallery img{height:220px}.product-page-image{height:220px}}

/* FINAL HEADER + HERO SLIDER FIX */
.professional-header{position:sticky;top:0;z-index:999;background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.08)}
.professional-header .nav{display:flex;align-items:center;justify-content:space-between}
.main-nav{display:flex;align-items:center;gap:20px}
.main-nav a,.drop-btn{color:#0c2745;font-weight:700;text-decoration:none}
.drop-btn{background:none;border:0;cursor:pointer;font:inherit;padding:20px 4px}
.nav-dropdown{position:relative}
.dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:720px;background:#fff;border:1px solid #e1e8ee;border-radius:12px;box-shadow:0 18px 45px rgba(0,0,0,.14);padding:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;opacity:0;visibility:hidden;transition:.2s;z-index:1001}
.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible}
.dropdown-menu div{display:flex;flex-direction:column;gap:7px}
.dropdown-menu strong{font-size:14px;color:#0c2745}
.dropdown-menu a{font-size:13px;font-weight:500}
.menu-toggle{display:none;background:none;border:0;font-size:28px;cursor:pointer;color:#0c2745}
.hero-slider{position:relative;height:570px;overflow:hidden;background:#071c31}
.hero-slider .slides{position:absolute;inset:0}
.hero-slider .hero-slide{position:absolute!important;inset:0!important;width:100%;height:100%;background-size:cover;background-position:center;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity .6s ease}
.hero-slider .hero-slide.active{opacity:1;visibility:visible}
.hero-slide-content{position:relative;z-index:2;color:#fff}
.hero-slide-content h1{font-size:clamp(42px,6vw,72px);line-height:1.05;color:#fff;margin:10px 0 18px}
.hero-slide-content p:not(.eyebrow){font-size:20px;max-width:650px;color:#e8f0f6}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:rgba(0,0,0,.28);color:#fff;font-size:34px;line-height:40px;cursor:pointer}
.slider-arrow.prev{left:24px}.slider-arrow.next{right:24px}
.slider-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.slider-dot{width:11px;height:11px;border-radius:50%;border:1px solid #fff;background:transparent;cursor:pointer;padding:0}
.slider-dot.active{background:#fff}
@media(max-width:900px){
 .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:12px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 12px 30px rgba(0,0,0,.12)}
 .main-nav.open{display:flex}
 .menu-toggle{display:block}
 .main-nav>a{padding:12px 0}
 .nav-dropdown .drop-btn{width:100%;text-align:left;padding:12px 0}
 .dropdown-menu{position:static;transform:none;width:auto;display:none;box-shadow:none;border:0;border-top:1px solid #eee;border-radius:0;padding:10px 0 10px 12px;grid-template-columns:1fr 1fr}
 .nav-dropdown.open .dropdown-menu{display:grid;opacity:1;visibility:visible}
 .hero-slider{height:520px}
}
@media(max-width:520px){.dropdown-menu{grid-template-columns:1fr}.hero-slider{height:500px}.hero-slide-content h1{font-size:40px}.slider-arrow{width:40px;height:40px;font-size:28px}}

.admixture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.admixture-card{padding:24px;background:#fff;border:1px solid #e1e8ee;border-radius:14px;box-shadow:0 8px 24px rgba(9,35,61,.06)}.admixture-card h3{margin-top:0;color:#0c2745}.admixture-card p{color:var(--muted);min-height:60px}@media(max-width:800px){.admixture-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.admixture-grid{grid-template-columns:1fr}}
.product-card-icon{font-size:40px;margin-bottom:8px}
.product-icon-large{font-size:72px;margin-bottom:10px}
.admixture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.admixture-card{padding:24px;background:#fff;border:1px solid #e1e8ee;border-radius:14px;box-shadow:0 8px 24px rgba(9,35,61,.06);transition:transform .2s,box-shadow .2s}
.admixture-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(9,35,61,.11)}
.admixture-card h3{margin-top:0;color:#0c2745;font-size:18px}
.admixture-card p{color:var(--muted);min-height:72px}
@media(max-width:1000px){.admixture-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.admixture-grid{grid-template-columns:1fr}}

/* Separate Wood Coating and Earthing Conductivity segments */
.segment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:30px}
.segment-card{padding:30px;background:#fff;border:1px solid #e1e8ee;border-radius:16px;box-shadow:0 10px 28px rgba(9,35,61,.07)}
.segment-icon{font-size:46px;margin-bottom:10px}
.segment-card h3{color:#0c2745;font-size:24px;margin:8px 0 12px}
.segment-card p{color:var(--muted);min-height:54px}
@media(max-width:600px){.segment-grid{grid-template-columns:1fr}}

/* MAIN PAGE - 8 CONSTRUCTION ADMIXTURE CARDS */
.admixture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.admixture-card{padding:24px;background:#fff;border:1px solid #e1e8ee;border-radius:14px;box-shadow:0 8px 24px rgba(9,35,61,.07);transition:.2s}
.admixture-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(9,35,61,.12)}
.product-card-icon{font-size:40px;margin-bottom:8px}
.admixture-card h3{color:#0c2745;font-size:18px;margin:5px 0 12px}
.admixture-card p{color:var(--muted);min-height:72px}
@media(max-width:1000px){.admixture-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.admixture-grid{grid-template-columns:1fr}}