:root{--ink:#101820;--navy:#0c2838;--blue:#126b8a;--teal:#159a9c;--lime:#d8ed3f;--cream:#f5f7f8;--white:#fff;--muted:#5d6a72;--line:#dce3e7;--shadow:0 18px 50px rgba(12,40,56,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit}.container{width:min(1180px,92%);margin:auto}.topbar{background:var(--navy);color:#d8e5ea;font-size:14px}.topbar .container{display:flex;gap:22px;justify-content:flex-end;padding:8px 0;flex-wrap:wrap}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--teal),var(--navy));display:grid;place-items:center;color:white;font-weight:900;font-size:20px}.brand-text strong{display:block;font-size:18px;line-height:1}.brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.menu{display:flex;align-items:center;gap:24px}.menu a{text-decoration:none;font-weight:700;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;border-radius:10px;padding:13px 18px;font-weight:800;border:0;cursor:pointer}.btn-primary{background:var(--teal);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-light{background:#fff;color:var(--navy)}.hero{background:linear-gradient(90deg,rgba(7,29,41,.92),rgba(7,29,41,.66)),url('../images/restaurant-extraction-installation.jpeg') center/cover;min-height:680px;display:flex;align-items:center;color:white}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center}.eyebrow{font-size:13px;letter-spacing:.15em;text-transform:uppercase;font-weight:900;color:var(--lime)}h1{font-size:clamp(40px,6vw,72px);line-height:1.02;margin:14px 0 20px;letter-spacing:-.035em}.hero p{font-size:19px;max-width:760px;color:#d7e5ea}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:32px;font-size:14px;font-weight:700}.quote-card{background:#fff;color:var(--ink);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.quote-card h3{margin-top:0}.quote-card input,.quote-card select,.quote-card textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;margin:7px 0;background:white;font:inherit}.quote-card button{width:100%;margin-top:8px}.section{padding:86px 0}.section.alt{background:var(--cream)}.section-title{max-width:820px;margin-bottom:34px}.section-title h2{font-size:clamp(32px,4vw,50px);line-height:1.1;margin:8px 0 14px;letter-spacing:-.025em}.section-title p{color:var(--muted);font-size:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 8px 30px rgba(12,40,56,.05)}.card h3{margin:8px 0 9px}.card p{color:var(--muted);margin:0 0 12px}.card a{font-weight:800;color:var(--blue);text-decoration:none}.service-img{width:100%;height:230px;object-fit:cover;border-radius:13px;margin-bottom:16px}.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.split img{width:100%;border-radius:18px;box-shadow:var(--shadow)}.ticks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 22px;padding:0;list-style:none}.ticks li:before{content:'✓';font-weight:900;color:var(--teal);margin-right:8px}.industry{padding:20px;border-left:4px solid var(--teal);background:#fff;border-radius:0 12px 12px 0}.band{background:var(--navy);color:white;padding:50px 0}.band-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.band h2{margin:0;font-size:36px}.areas{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700;font-size:14px}.project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.project-grid img{width:100%;height:230px;object-fit:cover;border-radius:12px}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{font-weight:800;cursor:pointer}.footer{background:#071d29;color:#c9d5da;padding:62px 0 20px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}.footer a{color:#dbe6ea;text-decoration:none}.footer small{display:block;border-top:1px solid #28414d;margin-top:36px;padding-top:18px}.page-hero{background:linear-gradient(90deg,rgba(7,29,41,.94),rgba(7,29,41,.75)),url('../images/industrial-duct-extraction.jpg') center/cover;color:white;padding:100px 0 80px}.page-hero h1{max-width:900px}.breadcrumbs{font-size:13px;color:#d5e3e8}.content h2{font-size:34px;line-height:1.15;margin-top:44px}.content h3{font-size:23px}.content p,.content li{color:#394a53}.content a{color:var(--blue);font-weight:700}.cta-box{background:var(--navy);color:#fff;border-radius:18px;padding:32px;margin:38px 0}.cta-box p{color:#d8e4e9}.notice{background:#edf8f8;border-left:4px solid var(--teal);padding:18px 20px;border-radius:0 10px 10px 0}.floating{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:9px;z-index:40}.float-btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;text-decoration:none;font-size:22px;box-shadow:0 7px 25px rgba(0,0,0,.2)}.wa{background:#20b358}.call{background:#126b8a}.mobile-toggle{display:none}
@media(max-width:900px){.hero-grid,.split{grid-template-columns:1fr}.quote-card{max-width:600px}.grid-3{grid-template-columns:1fr 1fr}.grid-4,.project-grid{grid-template-columns:1fr 1fr}.menu{display:none}.mobile-toggle{display:block}.footer-grid{grid-template-columns:1fr}.band-inner{align-items:flex-start;flex-direction:column}.hero{min-height:auto;padding:90px 0}.ticks{grid-template-columns:1fr}}
@media(max-width:600px){.grid-3,.grid-4,.project-grid{grid-template-columns:1fr}.topbar .container{justify-content:flex-start}.section{padding:64px 0}.project-grid img{height:260px}.hero h1{font-size:43px}}

.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}

@media(max-width:900px){.nav{position:relative}.menu.open{display:flex;position:absolute;left:0;right:0;top:78px;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:10px 16px 16px}.menu.open a{padding:12px 4px}.menu.open .btn{margin-top:6px;padding:13px 18px}.mobile-toggle{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 12px;font-size:20px;cursor:pointer}}

/* Modern homepage 2026 */
.home-modern{background:#fff}.home-modern .header{box-shadow:0 1px 0 rgba(12,40,56,.05)}
.hm-hero{padding:72px 0;background:radial-gradient(circle at 85% 20%,rgba(21,154,156,.14),transparent 32%),linear-gradient(135deg,#071d29 0%,#0c2838 63%,#0c3545 100%);color:#fff;overflow:hidden}
.hm-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}.hm-hero h1{font-size:clamp(46px,5.7vw,76px);max-width:820px}.hm-lead{font-size:20px;color:#cfe0e6;max-width:720px}.hm-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}.hm-outline:hover{background:#fff;color:var(--navy)}
.hm-proof{display:flex;gap:9px;flex-wrap:wrap;margin-top:30px}.hm-proof span{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);padding:8px 11px;border-radius:999px;font-size:13px;font-weight:800;color:#d9e8ec}
.hm-hero-media{position:relative}.hm-hero-media>img{display:block;width:100%;height:540px;object-fit:cover;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.hm-media-note{position:absolute;left:-24px;right:38px;bottom:24px;background:#fff;color:var(--ink);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}.hm-media-note strong,.hm-media-note span{display:block}.hm-media-note span{color:var(--muted);font-size:14px;margin-top:3px}
.hm-strip{background:#fff;border-bottom:1px solid var(--line)}.hm-strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.hm-strip-grid>div{padding:24px 22px;border-right:1px solid var(--line)}.hm-strip-grid>div:last-child{border-right:0}.hm-strip strong,.hm-strip span{display:block}.hm-strip strong{font-size:16px}.hm-strip span{font-size:13px;color:var(--muted);margin-top:3px}
.hm-heading{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:end;margin-bottom:34px}.hm-heading h2,.hm-dark-section h2,.hm-area-layout h2,.hm-faq-layout h2,.hm-final-cta h2{font-size:clamp(34px,4.1vw,54px);line-height:1.08;letter-spacing:-.03em;margin:8px 0 0}.hm-heading>p{color:var(--muted);font-size:17px;margin:0}
.hm-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.hm-service-card{display:block;text-decoration:none;border:1px solid var(--line);border-radius:18px;padding:26px;background:#fff;transition:.2s ease;min-height:260px}.hm-service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b9d7d8}.hm-service-card.hm-feature{background:#edf8f8;border-color:#c8e9e9}.hm-card-icon{font-weight:900;color:var(--teal);font-size:13px;letter-spacing:.12em}.hm-service-card h3{font-size:22px;line-height:1.2;margin:16px 0 10px}.hm-service-card p{color:var(--muted)}.hm-service-card span{color:var(--blue);font-weight:900;font-size:14px}
.hm-dark-section{background:#071d29;color:#fff}.hm-split-modern{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}.hm-dark-section p{color:#c8d8de;font-size:17px}.hm-photo-stack{position:relative;padding:0 40px 45px 0}.hm-photo-stack>img{width:100%;height:510px;object-fit:cover;border-radius:24px}.hm-photo-small{position:absolute;right:0;bottom:0;width:48%;background:#071d29;padding:8px;border-radius:18px}.hm-photo-small img{width:100%;height:190px;object-fit:cover;border-radius:12px}.hm-checks{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;list-style:none;padding:0;margin:28px 0}.hm-checks li{color:#e2ecef}.hm-checks li:before{content:'✓';color:var(--lime);font-weight:900;margin-right:9px}
.hm-process-section{background:#f8fafb}.hm-process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.hm-process-grid>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}.hm-process-grid span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900}.hm-process-grid h3{font-size:21px}.hm-process-grid p{color:var(--muted);margin-bottom:0}
.hm-project-grid{display:grid;grid-template-columns:1.35fr .65fr;grid-template-rows:1fr 1fr;gap:14px}.hm-project{margin:0;position:relative;overflow:hidden;border-radius:20px;min-height:245px}.hm-project-large{grid-row:1/3;min-height:505px}.hm-project img{width:100%;height:100%;object-fit:cover;display:block}.hm-project figcaption{position:absolute;left:14px;bottom:14px;background:rgba(7,29,41,.9);color:#fff;padding:9px 12px;border-radius:9px;font-size:13px;font-weight:800}
.hm-area-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}.hm-area-layout p{color:var(--muted);font-size:17px;margin-bottom:24px}.hm-area-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hm-area-list a{text-decoration:none;padding:16px 17px;border:1px solid var(--line);border-radius:12px;font-weight:800;background:#fff}.hm-area-list a:hover{border-color:var(--teal);color:var(--blue)}
.hm-faq-section{background:#f8fafb}.hm-faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.hm-faq-layout>div:first-child p{color:var(--muted);font-size:17px}.hm-faq-layout .faq{background:#fff;border:1px solid var(--line);border-radius:18px;padding:4px 26px}.hm-faq-layout .faq details:first-child{border-top:0}.hm-faq-layout .faq p{color:var(--muted)}
.hm-final-cta{background:linear-gradient(135deg,#0c2838,#0b5264);color:#fff;padding:72px 0}.hm-final-grid{display:grid;grid-template-columns:1fr 430px;gap:60px;align-items:center}.hm-final-cta p{color:#d6e5e9;font-size:17px}.hm-mini-form{background:#fff;color:var(--ink);border-radius:18px;padding:25px;box-shadow:var(--shadow)}.hm-mini-form h3{margin:0 0 8px}.hm-mini-form input,.hm-mini-form select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;margin:6px 0;font:inherit;background:#fff}.hm-mini-form .btn{width:100%;margin-top:7px}
@media(max-width:900px){.hm-hero-grid,.hm-heading,.hm-split-modern,.hm-area-layout,.hm-faq-layout,.hm-final-grid{grid-template-columns:1fr}.hm-hero-media>img{height:440px}.hm-media-note{left:18px}.hm-strip-grid{grid-template-columns:1fr 1fr}.hm-service-grid{grid-template-columns:1fr 1fr}.hm-project-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}.hm-project-large{grid-row:auto;grid-column:1/3;min-height:420px}.hm-area-list{grid-template-columns:1fr 1fr}.hm-final-grid{gap:34px}.hm-mini-form{max-width:620px}.hm-heading{gap:16px}.hm-photo-stack{max-width:650px}}
@media(max-width:600px){.hm-hero{padding:56px 0}.hm-hero h1{font-size:43px}.hm-hero-media>img{height:360px;border-radius:20px}.hm-media-note{position:relative;left:auto;right:auto;bottom:auto;margin:-38px 14px 0}.hm-strip-grid,.hm-service-grid,.hm-process-grid,.hm-area-list,.hm-checks{grid-template-columns:1fr}.hm-strip-grid>div{border-right:0;border-bottom:1px solid var(--line)}.hm-project-grid{grid-template-columns:1fr}.hm-project-large{grid-column:auto;min-height:320px}.hm-project{min-height:280px}.hm-photo-stack{padding:0 24px 32px 0}.hm-photo-stack>img{height:400px}.hm-photo-small{width:56%}.hm-heading h2,.hm-dark-section h2,.hm-area-layout h2,.hm-faq-layout h2,.hm-final-cta h2{font-size:36px}}

/* WhatsApp conversion system - sitewide */
.btn-whatsapp{background:#25D366;color:#fff!important;border:0;box-shadow:0 10px 24px rgba(37,211,102,.22)}
.btn-whatsapp:hover{background:#1fb95a;transform:translateY(-1px)}
.hero-conversion{background:#f4f8f9;border-bottom:1px solid var(--line);padding:28px 0}
.hero-conversion-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:32px;align-items:center}
.hero-conversion-copy h2{font-size:clamp(25px,3vw,36px);line-height:1.12;letter-spacing:-.02em;margin:5px 0 9px}
.hero-conversion-copy p{color:var(--muted);margin:0 0 16px;max-width:520px}
.hero-lead-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 10px 30px rgba(12,40,56,.07)}
.hero-form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.hero-lead-form input,.hero-lead-form select{width:100%;min-width:0;padding:12px 13px;border:1px solid #cfdade;border-radius:9px;background:#fff;color:var(--ink);font:inherit;outline:none}
.hero-lead-form input:focus,.hero-lead-form select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(21,154,156,.09)}
.hero-submit{width:100%;margin-top:10px}
.form-note{display:block;color:var(--muted);font-size:12px;line-height:1.4;margin-top:9px;text-align:center}
.floating .float-btn.wa{width:auto;min-width:118px;height:52px;border-radius:999px;padding:0 18px;font-size:14px;font-weight:900;letter-spacing:.01em;background:#25D366}
.floating .float-btn.wa:hover{background:#1fb95a}
.mobile-conversion-bar{display:none}
@media(max-width:900px){
 .hero-conversion-grid{grid-template-columns:1fr;gap:18px}
 .hero-form-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
 body{padding-bottom:66px}
 .hero-conversion{padding:22px 0}
 .hero-conversion-copy h2{font-size:27px}
 .hero-form-grid{grid-template-columns:1fr}
 .hero-lead-form{padding:15px}
 .floating{display:none!important}
 .mobile-conversion-bar{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:1.25fr .75fr;z-index:9999;background:#fff;padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(7,29,41,.14)}
 .mobile-conversion-bar a{height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;color:#fff}
 .mobile-wa{background:#25D366}.mobile-call{background:var(--navy)}
 .page-hero .hero-actions,.hm-hero .hero-actions{gap:8px}
 .page-hero .hero-actions .btn,.hm-hero .hero-actions .btn{width:100%}
}