:root{--navy:#082f49;--navy2:#0b4666;--blue:#1386b8;--sky:#eaf7fc;--orange:#f06423;--orange2:#d84a0a;--cream:#fffaf3;--white:#fff;--ink:#102f40;--muted:#58707d;--line:#d8e5e9;--green:#16785a;--shadow:0 20px 60px rgba(8,47,73,.14);--r:20px;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--display:"Avenir Next",Avenir,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);line-height:1.58;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:84px 0}.section.alt{background:#fff}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--orange2);font-size:.75rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:30px;height:3px;background:var(--orange)}h1,h2,h3{font-family:var(--display);line-height:1.06;letter-spacing:-.035em;margin:0}h1{font-size:clamp(2.8rem,6vw,5.9rem)}h2{font-size:clamp(2.1rem,4.2vw,3.8rem)}h3{font-size:1.38rem}p{margin:0}.btn{min-height:52px;padding:0 23px;border-radius:11px;border:2px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;font-weight:900;font-size:.92rem;cursor:pointer;transition:.18s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 28px rgba(240,100,35,.28)}.btn-primary:hover{background:var(--orange2)}.btn-light{background:#fff;border-color:#fff;color:var(--navy)}.btn-outline{background:#fff;border-color:var(--navy);color:var(--navy)}.concept{background:#06293c;color:#d9edf5;text-align:center;padding:8px 15px;font-size:.76rem}.concept strong{color:#fff}.header{position:sticky;top:0;z-index:50;background:rgba(255,250,243,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(8,47,73,.12)}.head{height:76px;display:flex;align-items:center;gap:27px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}.mark{width:40px;height:46px}.brand b{font-family:var(--display);font-size:1.25rem;line-height:1}.brand small{display:block;color:var(--muted);font:700 .63rem var(--sans);letter-spacing:.08em;text-transform:uppercase;margin-top:5px}.nav{display:flex;align-items:center;gap:22px}.nav a{text-decoration:none;font-size:.84rem;font-weight:850;padding:27px 0;border-bottom:3px solid transparent}.nav a:hover,.nav a.active{color:var(--orange2);border-color:var(--orange)}.menu{display:none;background:none;border:0;font-size:1.7rem;color:var(--navy);cursor:pointer}.hero{background:var(--navy);color:#fff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;min-height:670px;gap:46px}.hero-copy{padding:72px 0;display:flex;flex-direction:column;justify-content:center}.hero .eyebrow,.page-hero .eyebrow,.dark .eyebrow{color:#ff9b63}.hero h1 span{color:#ff8a4d}.hero-copy>p{font-size:1.18rem;color:#d7e8ee;max-width:660px;margin:25px 0}.offer{display:inline-flex;align-items:center;gap:15px;background:#fff;color:var(--navy);padding:14px 17px;border-radius:13px;width:max-content;max-width:100%;margin-bottom:22px}.offer strong{color:var(--orange2);font-size:1.14rem}.offer span{font-size:.75rem;color:var(--muted);line-height:1.35}.actions{display:flex;flex-wrap:wrap;gap:11px}.proof{display:flex;gap:19px;flex-wrap:wrap;margin-top:25px;color:#d7e8ee;font-size:.79rem;font-weight:800}.proof i{font-style:normal;color:#65deb0}.hero-media{position:relative;min-height:670px}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy),transparent 27%)}.hero-media img{width:100%;height:100%;object-fit:cover}.owner-card{position:absolute;right:20px;bottom:22px;z-index:2;background:#fff;color:var(--navy);padding:14px 18px;border-radius:13px;box-shadow:var(--shadow)}.owner-card b,.owner-card span{display:block}.owner-card span{font-size:.75rem;color:var(--muted)}.trust{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}.trust-item{padding:25px 18px;display:flex;gap:12px;align-items:center;border-right:1px solid var(--line)}.trust-item:last-child{border:0}.trust-icon{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-weight:900}.trust-item b,.trust-item span{display:block}.trust-item span{font-size:.77rem;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}.section-head>div{max-width:760px}.section-head>p{max-width:390px;color:var(--muted)}.section-head h2{margin-top:12px}.featured-service{display:grid;grid-template-columns:.9fr 1.1fr;border-radius:var(--r);overflow:hidden;background:var(--navy);color:#fff;box-shadow:var(--shadow);margin-bottom:24px}.featured-service>img{width:100%;height:100%;min-height:405px;object-fit:cover}.featured-copy{padding:42px}.featured-copy p{color:#d6e7ed;margin:17px 0}.tag{display:inline-block;background:var(--orange);color:#fff;padding:6px 9px;border-radius:7px;font-size:.67rem;font-weight:900;letter-spacing:.08em}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:23px 0}.checklist span:before,.tick-list li:before{content:"✓";color:#65deb0;font-weight:900;margin-right:8px}.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.service-grid.service-catalog{grid-template-columns:repeat(3,1fr)}.service{background:#fff;border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:14px;padding:24px;display:flex;flex-direction:column;min-height:230px}.service:nth-child(even){border-top-color:var(--orange)}.service p{color:var(--muted);font-size:.9rem;margin:12px 0 18px}.service a{margin-top:auto;color:var(--orange2);font-weight:900;text-decoration:none;font-size:.85rem}.cred{background:var(--navy);color:#fff}.cred-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px;align-items:center}.gas-card{background:#fff;color:var(--ink);padding:24px;border-radius:var(--r);display:flex;gap:20px;align-items:center}.gas-card img{width:115px}.gas-card b,.gas-card span{display:block}.gas-card span{font-size:.84rem;color:var(--muted);margin-top:7px}.cred-grid p{color:#d5e6ed;margin:18px 0}.cred-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cred-list span{background:rgba(255,255,255,.08);padding:11px 13px;border-radius:9px}.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:stretch}.story-grid img{width:100%;height:100%;min-height:520px;object-fit:cover;border-radius:var(--r)}.story-copy{background:#fff;border-radius:var(--r);padding:43px;box-shadow:var(--shadow)}.story-copy h2{margin:12px 0 20px}.story-copy p{color:var(--muted);margin-top:15px}.quote{border-left:5px solid var(--orange);padding:4px 0 4px 18px;margin:25px 0;font-family:var(--display);font-size:1.25rem;font-weight:800;color:var(--navy)}.cta{background:var(--orange);color:#fff;border-radius:var(--r);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta p{color:#fff2ea;margin-top:8px}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.page-hero{background:var(--navy);color:#fff;padding:68px 0}.breadcrumbs{font-size:.76rem;color:#bcd2dc;margin-bottom:24px}.breadcrumbs a{text-decoration:none}.page-hero h1{max-width:930px}.page-hero>div>p{font-size:1.16rem;color:#d6e7ed;max-width:760px;margin-top:22px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:45px;align-items:start}.prose h2{margin:12px 0 18px}.prose h3{margin:30px 0 12px}.prose p{color:var(--muted);margin:0 0 15px}.intro{font-size:1.15rem;color:var(--ink)!important}.advice{background:var(--sky);border-left:5px solid var(--blue);padding:24px;border-radius:0 14px 14px 0;margin:26px 0}.advice b{display:block;color:var(--navy);margin-bottom:8px}.faults{display:grid;grid-template-columns:1fr 1fr;gap:10px;list-style:none;padding:0;margin:18px 0 34px}.faults li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 15px}.faults li:before{content:"•";color:var(--orange);font-weight:900;margin-right:8px}.side-card{position:sticky;top:105px;background:var(--navy);color:#fff;border-radius:var(--r);padding:27px}.side-card p{color:#d5e6ed;margin:12px 0 20px}.side-card .btn{width:100%;margin-top:9px}.side-card small{display:block;color:#a9c4d0;margin-top:14px}.faqs details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:0 18px}.faqs summary{cursor:pointer;font-weight:900;color:var(--navy);padding:17px 30px 17px 0}.faqs details p{padding:0 0 18px}.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.work-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}.work-card img{width:100%;height:245px;object-fit:cover}.work-card div{padding:18px}.work-card p{font-size:.84rem;color:var(--muted);margin-top:7px}.areas-strip{background:var(--navy);color:#fff}.areas-row{display:grid;grid-template-columns:.6fr 1.4fr;gap:34px;align-items:center}.areas-row p{color:#d3e5ec;margin-top:12px}.tags{display:flex;flex-wrap:wrap;gap:9px}.tags span{background:#fff;color:var(--navy);padding:8px 12px;border-radius:999px;font-size:.78rem;font-weight:850}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.price-card{background:#fff;border:1px solid var(--line);border-top:5px solid var(--orange);border-radius:14px;padding:28px}.price-card:nth-child(2){border-top-color:var(--blue)}.price-card h3{margin:8px 0 12px}.price-card p{color:var(--muted)}.notice{background:#fff2e9;border:1px solid #ffd0b6;color:#7c3412;border-radius:12px;padding:18px;margin-top:22px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}.contact-copy p{color:#d5e6ed;margin-top:18px}.contact-options{display:grid;gap:10px;margin-top:25px}.contact-options a{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.17);padding:14px;border-radius:10px;text-decoration:none;font-weight:850}.form{background:#fff;color:var(--ink);border-radius:var(--r);padding:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field.full{grid-column:1/-1}.field label{display:block;font-size:.78rem;font-weight:900;margin-bottom:6px}.field input,.field select,.field textarea,.review input,.review textarea{width:100%;font:inherit;border:1px solid #b9cbd2;border-radius:9px;padding:12px;background:#fff}.field textarea{min-height:120px;resize:vertical}.form-foot{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:18px}.form-foot small{color:var(--muted);max-width:420px}.status{display:none;background:#e7f8f0;color:#145f49;border-radius:9px;padding:12px;margin-top:14px}.status.show{display:block}.footer{background:#041f2e;color:#b8ced7;padding:52px 0 80px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:30px}.footer h3{font-size:1rem;color:#fff;margin-bottom:12px}.footer a{display:block;text-decoration:none;font-size:.84rem;margin:7px 0}.footer p{font-size:.82rem}.footer-bottom{border-top:1px solid #284657;margin-top:30px;padding-top:20px;font-size:.75rem}.float-contact{position:fixed;right:16px;bottom:14px;z-index:60;display:flex;gap:8px}.float-contact a{height:46px;padding:0 16px;border-radius:999px;display:flex;align-items:center;gap:6px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:900;box-shadow:0 8px 24px rgba(0,0,0,.2)}.float-call{background:var(--blue)}.float-wa{background:#168c61}.float-contact em{font-style:normal;font-weight:600}.review{width:min(900px,calc(100% - 30px));margin:auto;padding:32px 0 90px}.review .head{height:auto}.review-hero{padding:45px 0 28px}.review-hero h1{font-size:clamp(2.6rem,7vw,5.3rem);margin:12px 0}.review-hero p{color:var(--muted);max-width:680px}.q{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin:13px 0}.qlabel,legend{font-weight:900;color:var(--navy);margin-bottom:12px}fieldset{border:0;padding:0;margin:0}.options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.option{position:relative}.option input{position:absolute;opacity:0}.option label{display:block;border:2px solid var(--line);border-radius:9px;padding:12px;cursor:pointer}.option input:checked+label{border-color:var(--orange);background:#fff2e9}.review textarea{min-height:125px;resize:vertical}.hp{position:absolute!important;left:-9999px!important}.review-status{display:none;padding:18px;border-radius:12px;margin-top:14px}.review-status.show{display:block;background:#e7f8f0;color:#145f49}.review-status.error{background:#fff0ed;color:#9c2d17}
@media(max-width:1040px){.service-grid.service-catalog{grid-template-columns:repeat(2,1fr)}.nav{display:none;position:absolute;top:76px;left:0;right:0;padding:18px 24px;background:var(--cream);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:10px;border:0}.menu{display:block}.head>.btn{display:none}.hero-grid{grid-template-columns:1fr}.hero-media{min-height:480px}.hero-media:after{background:linear-gradient(180deg,var(--navy),transparent 25%)}.trust-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.featured-service,.cred-grid,.story-grid,.content-grid,.contact-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:repeat(2,1fr)}.service:first-child{grid-column:1/-1}.side-card{position:static}.price-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.areas-row{grid-template-columns:1fr}}
@media(max-width:640px){.service-grid.service-catalog{grid-template-columns:1fr}.wrap{width:min(100% - 28px,1180px)}.section{padding:60px 0}.head{height:67px}.nav{top:67px}.concept{font-size:.68rem}.hero-grid{min-height:0;gap:0}.hero-copy{padding:48px 0 36px}.hero-media{min-height:410px}.offer{align-items:flex-start;flex-direction:column;gap:2px;width:100%}.actions .btn{width:100%}.trust-grid,.service-grid,.checklist,.cred-list,.faults,.work-grid,.price-grid,.footer-grid,.form-grid,.options{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.section-head{align-items:start;flex-direction:column;gap:14px}.featured-service>img{min-height:280px;height:280px}.featured-copy{padding:28px}.service:first-child{grid-column:auto}.story-grid img{min-height:360px}.story-copy{padding:28px}.page-hero{padding:48px 0}.content-grid{gap:27px}.work-card img{height:220px}.contact-grid{gap:28px}.form{padding:21px}.field.full{grid-column:auto}.form-foot,.cta{align-items:stretch;flex-direction:column}.form-foot .btn,.cta .btn{width:100%}.float-contact{right:9px;bottom:9px}.float-contact a{padding:0 13px}.float-contact em{display:none}.review .head{flex-wrap:wrap}.review .head .btn{min-height:44px}.areas-row{gap:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.map-section{background:var(--white)}.map-section .section-head{max-width:760px}.map-card{margin-top:30px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--sky);box-shadow:var(--shadow)}.map-card iframe{display:block;width:100%;height:480px;border:0}@media(max-width:640px){.map-card{margin-top:22px;border-radius:16px}.map-card iframe{height:390px}}

/* v7 approximate coverage map */
.map-key{margin-top:30px;padding:13px 17px;background:var(--sky);border:1px solid var(--line);border-bottom:0;border-radius:var(--r) var(--r) 0 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:.88rem;font-weight:800;color:var(--navy)}.map-key span{display:flex;align-items:center;gap:9px}.map-key i{width:20px;height:14px;background:rgba(240,100,35,.2);border:2px solid var(--orange2);border-radius:3px}.map-key+.map-card{margin-top:0;border-radius:0 0 var(--r) var(--r)}#coverageMap{position:relative;width:100%;height:500px;background:var(--sky);overflow:hidden}.map-loading,.map-fallback{min-height:100%;padding:28px;display:grid;place-items:center;text-align:center;color:var(--muted)}@media(max-width:640px){.map-key{margin-top:22px;align-items:flex-start;flex-direction:column;border-radius:16px 16px 0 0}.map-key+.map-card{margin-top:0;border-radius:0 0 16px 16px}#coverageMap{height:420px}}

.map-label{border:0!important;background:rgba(255,255,255,.92)!important;color:#082f49!important;font-family:var(--sans)!important;font-weight:800!important;box-shadow:0 2px 8px rgba(8,47,73,.18)!important}.map-label:before{border-right-color:rgba(255,255,255,.92)!important}

/* v10 feedback refinements */
.work-card img.work-img-contain{object-fit:contain;background:#edf5f8;padding:8px}
/* Smart-controls gallery: fill each card while keeping the control in focus. */
.work-card img.smart-work-image{object-fit:cover;background:#edf5f8;padding:0}
.work-card img.smart-work-image--thermostat{object-position:15% 35%}
.work-card img.smart-work-image--mobile{object-position:50% 40%}.tags span.postcode{background:var(--orange);color:#fff;min-width:43px;text-align:center;border-radius:8px;padding:7px 10px}.gas-safe-footer{display:flex;align-items:center;gap:12px;margin-top:20px;padding:11px 13px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.08);max-width:290px}.gas-safe-footer img{display:block;width:66px;height:auto;background:#fff;border-radius:5px;padding:4px}.gas-safe-footer span{display:grid;gap:3px}.gas-safe-footer b{color:#fff;font-size:.78rem}.gas-safe-footer small{color:#b9ced7;font-size:.68rem;line-height:1.35}.gas-emergency{margin:24px 0;padding:18px 20px;border-left:5px solid var(--orange);border-radius:10px;background:#fff3eb;color:var(--ink)}.gas-emergency b{display:block;color:var(--orange2);margin-bottom:6px}.gas-emergency p{margin:0;color:var(--ink)}.gas-emergency a{font-weight:900;color:var(--navy)}

.trap{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.consent label{display:flex;gap:10px;align-items:flex-start;font-size:.82rem}.consent input{width:auto;margin-top:3px}.status.error{display:block;background:#fff0ed;color:#8b2d16}.status.success{display:block}.field label span{font-weight:500;color:var(--muted)}