:root{--navy:#07162c;--navy2:#102746;--gold:#ffb21c;--yellow:#ffdc25;--ice:#64c6f2;--white:#fff;--ink:#122038;--muted:#647086;--pale:#f3f6fa;--line:#dfe6ef;--shadow:0 18px 55px rgba(7,22,44,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font-family:Manrope,system-ui,sans-serif;color:var(--ink);background:#fff}body.locked{overflow:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.eyebrow{display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:800;color:#bd7100}.eyebrow:before{content:"";width:30px;height:3px;background:var(--gold)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:"Barlow Condensed",sans-serif;text-transform:uppercase}p{line-height:1.75}.topbar{background:#041124;color:#d6e1ee;font-size:12px}.topbar .wrap{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-header{height:82px;background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 5px 18px rgba(0,0,0,.12)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.logo img{height:68px;width:auto}.nav{display:flex;align-items:center;gap:29px;font-size:13px;font-weight:800}.nav a{position:relative}.nav a:not(.quote-link):after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--gold);transition:.2s}.nav a:hover:after,.nav a.active:after{right:0}.nav a.active{color:var(--gold)}.quote-link,.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border:0;border-radius:5px;font-weight:800;cursor:pointer}.quote-link{padding:12px 18px;background:linear-gradient(135deg,var(--gold),var(--yellow));color:var(--navy)}.menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:25px}.btn{padding:15px 21px}.btn-gold{background:linear-gradient(135deg,var(--gold),var(--yellow));color:var(--navy);box-shadow:0 10px 30px rgba(255,178,28,.2)}.btn-outline{border:1px solid rgba(255,255,255,.48);color:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero{position:relative;color:#fff;min-height:650px;display:flex;align-items:center;overflow:hidden;background:var(--navy)}.slides,.slide{position:absolute;inset:0}.slide{opacity:0;transition:opacity .9s ease;background-size:cover;background-position:center}.slide.active{opacity:1}.hero:after,.page-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,15,32,.94),rgba(3,15,32,.52) 58%,rgba(3,15,32,.16))}.hero-content{position:relative;z-index:2;width:min(690px,90%)}.hero .eyebrow,.page-hero .eyebrow{color:#fff}.hero h1{font-size:clamp(60px,7vw,94px);line-height:.86;letter-spacing:-1px;margin:18px 0 23px}.hero h1 span{color:var(--gold)}.hero p{font-size:18px;color:#dce6f1;max-width:620px}.trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:37px;font-size:12px;font-weight:800;text-transform:uppercase}.trust b{color:var(--gold)}.slide-controls{position:absolute;z-index:3;right:max(20px,calc((100% - 1180px)/2));bottom:45px;display:flex;gap:7px}.slide-controls button{width:42px;height:42px;border:1px solid rgba(255,255,255,.45);background:rgba(7,22,44,.55);color:#fff;cursor:pointer}
.service-strip{position:relative;z-index:4;margin-top:-45px}.cards{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--shadow)}.card{padding:27px 23px;border-right:1px solid var(--line)}.card:last-child{border:0}.icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#edf3fa;color:#b76b00;font-weight:800}.card h3{font-size:23px;margin:16px 0 8px}.card p{font-size:12px;color:var(--muted)}.text-link{font-size:12px;color:#b56800;font-weight:800}.section{padding:95px 0}.section.soft{background:var(--pale)}.section.dark{background:var(--navy);color:#fff}.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.intro h2,.section-title h2{font-size:clamp(42px,5vw,62px);line-height:.95;margin:15px 0}.intro-copy{color:var(--muted)}.dark .intro-copy{color:#cdd8e5}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}.feature{padding:28px;background:#fff;box-shadow:0 10px 35px rgba(7,22,44,.07)}.feature h3{font-size:24px;margin:15px 0 6px}.feature p{font-size:13px;color:var(--muted)}
.page-hero{min-height:430px;position:relative;display:flex;align-items:center;color:#fff;background-size:cover;background-position:center}.page-hero-content{position:relative;z-index:2;max-width:720px}.page-hero h1{font-size:clamp(56px,7vw,86px);line-height:.9;margin:16px 0}.page-hero p{max-width:620px;color:#dbe6f2}.anchor-nav{background:#fff;box-shadow:0 10px 30px rgba(7,22,44,.1);position:sticky;top:82px;z-index:20}.anchor-nav .wrap{display:flex;gap:7px;overflow:auto;padding-top:10px;padding-bottom:10px}.anchor-nav a{white-space:nowrap;padding:9px 13px;background:var(--pale);font-size:12px;font-weight:800;border-radius:4px}.service-row{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding:75px 0;border-bottom:1px solid var(--line)}.service-row:nth-child(even) .service-copy{order:2}.service-row img{width:100%;height:390px;object-fit:cover}.service-copy h2{font-size:45px;line-height:.95;margin:14px 0}.service-copy p{color:var(--muted)}.tick-list{padding:0;list-style:none;display:grid;gap:9px}.tick-list li:before{content:"✓";color:#c97900;font-weight:900;margin-right:9px}
.gallery-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:250px 190px;gap:11px;margin-top:36px}.gallery-item{border:0;padding:0;cursor:pointer;position:relative;overflow:hidden;background:#dce4ee}.gallery-item:first-child{grid-row:1/3}.gallery-item:nth-child(2){grid-column:2/4}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.35s}.gallery-item:hover img{transform:scale(1.035)}.gallery-item:after{content:"View";position:absolute;right:14px;bottom:14px;padding:7px 10px;background:rgba(7,22,44,.82);color:#fff;font-size:11px;font-weight:800}.gallery-item.cooling-first img{object-position:center}.lightbox{position:fixed;inset:0;z-index:100;background:rgba(2,9,20,.94);display:none;place-items:center;padding:30px}.lightbox.open{display:grid}.lightbox img{max-width:min(1100px,92vw);max-height:82vh}.lightbox-close{position:absolute;right:24px;top:20px;background:transparent;border:0;color:#fff;font-size:38px;cursor:pointer}.lightbox-caption{color:#fff;margin-top:12px;text-align:center}
.cta{background:linear-gradient(125deg,#0d294a,var(--navy));color:#fff;padding:65px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.cta h2{font-size:45px;margin:0 0 6px}.cta p{color:#d1ddeb;margin:0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}.contact-card{padding:32px;background:#fff;box-shadow:var(--shadow)}.contact-card h3{font-size:29px}.contact-card p{color:var(--muted)}.prompt-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.prompt-list a{padding:13px;background:var(--pale);font-weight:800;font-size:13px;border-left:3px solid var(--gold)}footer{background:#041124;color:#bfcddd;padding:55px 0 90px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px}.footer-logo{height:82px;width:auto;margin-bottom:18px}.footer-links{display:grid;gap:10px;font-size:13px}.footer-title{color:#fff;font-family:"Barlow Condensed";font-size:21px;text-transform:uppercase}.mobile-contact{display:none}
.coverage-strip{padding:38px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.coverage-strip .wrap{display:grid;grid-template-columns:auto 1fr;gap:35px;align-items:center}.coverage-strip h2{font-size:32px;margin:0}.coverage-strip p{margin:0;color:var(--muted);font-size:13px}.area-list{display:flex;flex-wrap:wrap;gap:9px;margin:30px 0 15px}.area-list span{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--navy);font-size:12px;font-weight:800}.coverage-note{font-size:12px;color:var(--muted)}
@media(max-width:900px){.nav{display:none;position:absolute;top:82px;left:0;right:0;background:var(--navy);padding:25px 20px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.menu-toggle{display:block}.topbar .wrap span:first-child{display:none}.topbar .wrap{justify-content:center}.cards{grid-template-columns:1fr 1fr}.intro,.service-row{grid-template-columns:1fr;gap:28px}.service-row:nth-child(even) .service-copy{order:0}.feature-grid{grid-template-columns:1fr 1fr}.gallery-grid{grid-template-columns:1fr 1fr}.gallery-item:first-child{grid-row:auto}.gallery-item:nth-child(2){grid-column:auto}.gallery-item{height:230px}.cta-inner{display:block}.cta .actions{margin-top:25px}.contact-grid{grid-template-columns:1fr}.coverage-strip .wrap{grid-template-columns:1fr;gap:8px}}
@media(max-width:600px){.wrap{width:min(100% - 26px,1180px)}.logo img{height:58px}.site-header{height:72px}.nav{top:72px}.hero{min-height:660px}.hero h1{font-size:55px}.slide-controls{bottom:18px}.cards,.feature-grid,.gallery-grid,.prompt-list,.footer-grid{grid-template-columns:1fr}.card{border-right:0;border-bottom:1px solid var(--line)}.service-strip{margin-top:0}.section{padding:70px 0}.page-hero{min-height:390px}.service-row{padding:55px 0}.service-row img{height:300px}.gallery-item{height:240px}.intro{gap:22px}.mobile-contact{position:fixed;display:grid;grid-template-columns:1fr 1fr;z-index:60;left:10px;right:10px;bottom:10px;box-shadow:0 12px 35px rgba(0,0,0,.3)}.mobile-contact a{padding:13px;text-align:center;font-weight:900;background:var(--gold);color:var(--navy)}.mobile-contact a:last-child{background:var(--ice)}footer{padding-bottom:110px}}
.trust{align-items:center}.hero>.wrap{position:relative}.hero>.wrap>.gas-safe-mark{position:absolute;z-index:4;top:0;right:0;display:flex;align-items:center;gap:12px;padding:10px 14px 10px 10px;background:rgba(255,255,255,.95);color:var(--navy);border-radius:7px;box-shadow:0 14px 35px rgba(0,0,0,.24)}.hero>.wrap>.gas-safe-mark img{width:64px;height:64px;object-fit:contain}.hero>.wrap>.gas-safe-mark small{max-width:110px;font-size:10px;font-weight:900;line-height:1.35;letter-spacing:.35px;text-transform:uppercase}
@media(min-width:901px){.hero>.wrap{transform:translateY(-28px)}}
@media(max-width:900px){.hero>.wrap>.gas-safe-mark{position:relative;top:auto;right:auto;width:max-content;margin-top:24px}.hero>.wrap>.gas-safe-mark img{width:52px;height:52px}.hero>.wrap>.gas-safe-mark small{display:block}}
.slides{z-index:0}.hero:after,.page-hero:after{z-index:1;pointer-events:none}.hero>.wrap,.page-hero>.wrap{z-index:2}.page-hero-content{max-width:none;width:min(1180px,calc(100% - 40px));text-align:left}.page-hero-content>*{max-width:720px}
@media(max-width:600px){.page-hero-content{width:min(100% - 26px,1180px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.slide,.gallery-item img{transition:none}}