@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#122333;--navy:#101c28;--red:#df2737;--red-dark:#bb1726;--blue:#096fae;--muted:#566674;--line:#dde6ec;--pale:#f1f7fb;--white:#fff;--shadow:0 20px 55px #13364f12;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font:1rem/1.65 'DM Sans',system-ui,sans-serif}h1,h2,h3,h4,.brand{font-family:Manrope,system-ui,sans-serif}h1,h2,h3,h4{line-height:1.13;letter-spacing:-.035em;margin:0}h1{font-size:clamp(2.75rem,5.3vw,4.7rem);font-weight:800}h2{font-size:clamp(2rem,3.5vw,3rem);font-weight:800}h3{font-size:1.4rem;font-weight:800}p{margin:0 0 20px;color:var(--muted)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}a,button,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid 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@media(max-width:1080px){.nav-links{gap:16px}.phone{display:none}.header-inner{gap:18px}.hero-grid{gap:34px}.hero-visual{padding-right:10px}.hero-photo{height:430px}.hero-caption{right:0}.trust-grid{gap:14px}.trust-item{gap:8px}.trust-item strong{font-size:.875rem}.trust-item small{font-size:.8rem}.footer-top{grid-template-columns:1.2fr 1fr 1fr}.footer-top>div:last-child{grid-column:2/-1}.cta-band{gap:26px;padding:34px}.cta-band .actions{flex-shrink:1}.gallery img{height:300px}}
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@media(min-width:861px) and (max-width:1020px){.header-inner{min-height:80px;flex-wrap:wrap;padding:12px 0}.nav-links{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);padding-top:8px}.nav-links[data-open=true]{display:flex}.nav-links a{padding:12px}.mobile-menu{display:block}.header-actions{margin-left:auto;gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media(min-width:601px) and (max-width:860px){.hero-visual{display:none}.cards>.card:last-child:nth-child(3){display:grid;grid-template-columns:1fr 1fr}.cards>.card:last-child:nth-child(3) .card-body{grid-column:2;grid-row:1}.cards>.card:last-child:nth-child(3) .package-body{grid-column:2;grid-row:1}.cards>.card:last-child:nth-child(3)>img{height:100%}}

/* Keep the complete installation visible, without an overlaid caption. */
.hero-visual{padding:0;display:flex;justify-content:flex-start}.hero-photo{height:auto!important;aspect-ratio:3/4;width:100%;max-width:390px;transform:none}.hero-photo img{object-fit:contain;object-position:left center}.page-hero figure:has(img[src="/assets/ideal-boiler-enhanced.png"]){max-width:390px}.page-hero img[src="/assets/ideal-boiler-enhanced.png"]{height:auto!important;aspect-ratio:3/4;object-fit:contain;background:white}
.photo-link{display:block;position:relative}.photo-hint{position:absolute;bottom:12px;right:12px;background:#101c28e8;color:white;border-radius:8px;padding:6px 12px;font-size:.8rem;font-weight:750}.photo-link:hover .photo-hint{background:var(--blue)}.photo-dialog{border:0;background:var(--navy);color:white;border-radius:16px;padding:18px;width:min(900px,94vw);max-height:92dvh}.photo-dialog::backdrop{background:#08121ddd}.photo-dialog img{object-fit:contain;width:100%;max-height:72dvh}.photo-dialog p{color:white;margin:14px 0 0;text-align:center}.photo-close{display:block;margin:0 0 12px auto;background:white;color:var(--ink);border:0;border-radius:8px;padding:9px 14px;font-weight:800}.photo-open{overflow:hidden}.project-photo{background:var(--pale);border-radius:20px;overflow:hidden}.project-photo img{width:100%;height:auto;max-height:740px;object-fit:contain}.project-photo .photo-hint{bottom:16px}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}} 
.website-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}.direct-enquiry small{display:block;font-size:.875rem;color:var(--muted);margin-top:6px}.direct-enquiry button:disabled{opacity:.7;cursor:default}.inbox-card{padding:30px;border:1px solid var(--line);border-radius:20px;margin:0 0 24px}.inbox-heading{display:flex;gap:30px;justify-content:space-between;align-items:start}.inbox-heading h2{font-size:1.8rem}.inbox-heading select{min-width:160px}.inbox-details{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.inbox-details dt{font-weight:750}.inbox-details dd{margin:0;overflow-wrap:anywhere}.inbox-message{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:14px}.inbox-card h3{margin-top:24px}.inbox-photos{display:flex;gap:16px;flex-wrap:wrap;margin:24px 0}.inbox-photos img{height:160px;width:160px;object-fit:contain;border:1px solid var(--line);border-radius:12px}.inbox-status{margin:0}.direct-enquiry{margin-top:24px}.wizard .direct-enquiry .field{margin-top:18px}@media(max-width:600px){.inbox-card{padding:20px}.inbox-heading{display:block}.inbox-details{grid-template-columns:1fr}.inbox-photos img{height:120px;width:120px}}

/* Detailed service information uses the established Heatflow brand. */
.information-cards{margin-top:32px}.reading-copy{max-width:760px;margin:0 auto 28px;font-size:1.05rem}.centred{justify-content:center}.information-cards .eyebrow{font-size:.875rem}.mini p{font-size:1rem}.mini h3{margin-top:0}.trust-item small,.topline,.card .eyebrow,.gallery .category{font-size:.875rem}.hero-photo{border-radius:18px}.hero-visual{justify-content:center}.nav-links a{white-space:nowrap}@media(max-width:600px){.trust-item small,.trust-item strong{font-size:.875rem}.information-cards{margin-top:24px}.reading-copy{font-size:1rem}}

.brand-shortlist{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:30px}.brand-shortlist a{background:white;border:1px solid var(--line);border-radius:18px;padding:26px}.brand-shortlist strong{display:block;font-size:1.4rem;margin-bottom:12px}.brand-shortlist span{color:var(--muted);font-size:1rem}.brand-shortlist a:hover{border-color:var(--blue)}.brand-jumps{display:flex;gap:12px;flex-wrap:wrap}.brand-jumps a{padding:12px 22px;background:white;border:1px solid var(--line);border-radius:12px;font-weight:750}.product-stage{background:linear-gradient(120deg,#edf4f9,white);padding:28px;height:290px;display:grid;place-items:center}.boiler-model .product-stage img{height:235px;width:100%;object-fit:contain;mix-blend-mode:multiply}.boiler-model h3{font-size:1.55rem}.boiler-model h4{font-size:1rem;margin:18px 0 10px}.boiler-model .model-sizes{font-weight:750;font-size:.95rem;color:var(--blue)}.cover-note{padding:12px 14px;background:var(--pale);border-radius:10px;font-size:.875rem;font-weight:700}.model-price{padding:16px 0;margin-top:auto}.model-price strong{display:block;font-size:1rem}.model-price span{display:block;font-size:.875rem;color:var(--muted);margin-top:5px}.model-source{margin-top:16px;font-size:.875rem;text-align:center;color:var(--blue);text-decoration:underline}.comparison-heading{margin:38px 0 20px}.comparison-heading h3{font-size:1.5rem}.model-table{min-width:820px}.model-table caption{text-align:left;padding:18px 22px;font-weight:700;background:white}.model-table tbody th{background:var(--pale);color:var(--ink);width:18%}.model-table td{width:27%;font-size:.95rem}.flow-chart{margin:30px 0 0;background:white;border:1px solid var(--line);border-radius:20px;padding:30px}.flow-chart h3{font-size:1.5rem}.flow-rows{margin:26px 0}.flow-row{display:grid;grid-template-columns:190px 1fr 105px;gap:16px;align-items:center;padding:10px 0}.flow-row>span{font-weight:700;font-size:.95rem}.flow-track{height:22px;background:#ecf1f5;border-radius:6px;overflow:hidden}.flow-bar{display:block;height:100%;background:var(--blue);border-radius:6px}.flow-row strong{text-align:right}.flow-row small{font-size:.875rem;font-weight:400}.flow-chart .micro a{text-decoration:underline;color:var(--blue)}section[id]{scroll-margin-top:130px}@media(min-width:1021px) and (max-width:1240px){.nav-links{gap:12px;font-size:.875rem}.phone{display:none}}@media(max-width:860px){.brand-shortlist{grid-template-columns:1fr 1fr}.model-grid>.card:last-child:nth-child(3){display:flex}.model-grid>.card:last-child:nth-child(3) .card-body{display:flex}.model-grid .product-stage{height:260px}}@media(max-width:600px){.brand-shortlist{grid-template-columns:1fr}.product-stage{height:260px}.flow-chart{padding:22px 18px}.flow-row{grid-template-columns:1fr 90px;gap:8px}.flow-row>span{grid-column:1/-1}.flow-track{height:20px}.brand-jumps a{padding:10px 15px}.model-table{min-width:780px}}

@media(min-width:1021px) and (max-width:1440px){.phone{display:none}.nav-links{gap:12px;font-size:.875rem}.header-inner{gap:18px}}