:root{--ink:#102937;--muted:#60717d;--accent:#007bb8;--line:#dce4e8;--paper:#f5f7f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font:16px/1.6 Arial,Helvetica,sans-serif;color:var(--ink);background:white}a{color:inherit}img{display:block;max-width:100%}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid #167da7;outline-offset:5px}.preview-note{padding:7px 16px;background:var(--ink);color:#e6edf1;text-align:center;font-size:12px}.site-header{max-width:1280px;margin:auto;padding:24px 36px;display:flex;align-items:center;gap:42px}.brand img{width:200px}.site-header nav{display:flex;gap:28px;margin-left:auto}.site-header nav a{text-decoration:none;font-size:14px;font-weight:600}.phone{text-decoration:none;font-size:12px;color:var(--muted);line-height:1.5}.phone strong{display:block;color:var(--ink);font-size:17px}.hero{max-width:1280px;margin:auto;padding:26px 36px 48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.6px;font-weight:700;color:var(--accent);margin:0 0 20px}h1{font-size:clamp(48px,5.6vw,76px);letter-spacing:-3.5px;line-height:1.04;margin:0 0 24px}h1 span{color:var(--accent)}.hero-description{font-size:20px;line-height:1.6;color:var(--muted);max-width:470px;margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:14px 30px;border-radius:6px;text-decoration:none;font-weight:700}.primary{color:white;background:var(--accent)}.primary:hover{background:#005e94}.cta-note{font-size:14px;color:var(--muted);margin:12px 0 26px}.hero-assurances{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;font-weight:600}.hero-assurances span:before{content:'✓';color:var(--accent);padding-right:6px}.hero-visual{position:relative;min-height:490px;overflow:hidden;border-radius:12px;background:#e6e9e8}.hero-photo{width:100%;height:490px;object-fit:cover;object-position:65% center}.visual-caption{position:absolute;left:24px;right:24px;bottom:24px;background:var(--ink);padding:22px;color:white;border-radius:7px;display:grid;gap:6px}.caption-line{font-size:11px;letter-spacing:1.4px;color:#b9cad3}.visual-caption strong{font-size:23px;letter-spacing:-.5px}.visual-caption>span:last-child{font-size:13px;color:#d5e0e5}.brand-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-width:1208px;margin:auto;padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:25px;color:var(--muted);font-size:14px}.brand-strip strong{font-size:24px;letter-spacing:-1px;color:var(--ink)}.brand-strip strong span{font-weight:400}.coverage{border-left:1px solid var(--line);padding-left:28px}.section{max-width:1280px;margin:auto;padding:80px 36px}.section-heading{margin-bottom:38px}.section-heading .eyebrow{margin-bottom:14px}h2{font-size:clamp(30px,3.5vw,44px);line-height:1.15;letter-spacing:-1.5px;margin:0 0 18px}h3{font-size:20px;line-height:1.35;letter-spacing:-.5px;margin:0 0 12px}p{margin-top:0}.section-heading>p:last-child{color:var(--muted);max-width:600px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.steps article{border-top:1px solid var(--line);padding-top:22px}.step-number{display:block;font-size:32px;color:var(--accent);font-weight:600;letter-spacing:-1px;margin-bottom:22px}.steps p,.range-card p,.included-grid p{color:var(--muted);margin-bottom:0}.boilers{background:var(--paper);max-width:none;padding-left:max(36px,calc((100vw - 1208px)/2));padding-right:max(36px,calc((100vw - 1208px)/2))}.range-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.range-card{position:relative;display:flex;flex-direction:column;padding:28px;background:white;border:1px solid var(--line);border-radius:9px}.range-card.featured{border-color:var(--accent)}.range-label{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--muted);margin-bottom:22px}.range-pick{position:absolute;right:20px;top:22px;border-radius:4px;background:var(--ink);color:white;padding:3px 9px;font-size:12px}.boiler-art{width:150px;height:150px;align-self:center;background:url('choice-icons-refined.png') 0 100%/400% 400% no-repeat;margin:12px 0 22px}.range-models{display:grid;gap:3px;margin-bottom:18px;font-size:16px}.range-models span{font-size:14px;color:var(--muted)}.range-card p{font-size:14px;line-height:1.65}.text-link{font-size:14px;font-weight:700;text-underline-offset:5px;margin-top:auto;padding-top:22px}.why{display:grid;grid-template-columns:300px 1fr;gap:80px;align-items:center}.why-brand{padding:32px;background:var(--paper);border-radius:12px;text-align:center}.why-brand img{mix-blend-mode:multiply;margin:auto}.why-brand p{margin:22px 0 0;font-size:18px;font-weight:600;line-height:1.4}.included-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px;margin-top:32px}.included-grid h3{font-size:18px}.included-grid p{font-size:14px}.faq{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list details:first-child{padding-top:0}summary{cursor:pointer;font-weight:600;font-size:17px}.faq-list p{margin:16px 0 0;color:var(--muted);font-size:15px}.closing{text-align:center;padding:64px 24px;background:var(--ink);color:white}.closing .eyebrow{color:#69d4ff}.closing h2{margin-bottom:28px}.closing>p:last-child{font-size:14px;color:#cad9e1;margin:22px 0 0}footer{max-width:1280px;padding:36px;margin:auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 30px;font-size:13px;color:var(--muted)}footer p{margin:0}.footer-brand{font-weight:700;text-decoration:none;color:var(--ink)}footer div{display:flex;gap:22px}footer small{flex-basis:100%;font-size:12px;margin-top:14px;color:#687a85}@media(max-width:950px){.site-header{gap:25px}.site-header nav{gap:15px}.brand img{width:160px}.hero{gap:28px}.hero-visual,.hero-photo{min-height:430px;height:430px}.hero-description{font-size:18px}.brand-strip{margin:0 36px;flex-wrap:wrap}.coverage{display:none}.why{grid-template-columns:220px 1fr;gap:36px}.range-card{padding:22px}.range-pick{right:14px;top:20px}.faq{gap:36px}}@media(max-width:700px){.site-header{padding:18px 20px;justify-content:space-between;gap:16px}.site-header nav{display:none}.brand img{width:155px}.phone strong{font-size:14px}.hero{display:flex;flex-direction:column;padding:26px 20px 32px;align-items:stretch;gap:28px}h1{font-size:54px;letter-spacing:-2.5px}.hero-description{font-size:17px;max-width:none;margin-bottom:24px}.hero-copy .button{width:100%}.hero-visual,.hero-photo{min-height:310px;height:310px}.visual-caption{left:16px;right:16px;bottom:16px;padding:16px}.visual-caption strong{font-size:20px}.hero-assurances{font-size:12px}.brand-strip{margin:0 20px;padding:20px 0;justify-content:flex-start;gap:15px 28px}.brand-strip>span:first-child{flex-basis:100%;font-size:13px}.brand-strip strong{font-size:22px}.section{padding:52px 20px}.steps{grid-template-columns:1fr;gap:24px}.steps article{display:grid;grid-template-columns:40px 1fr;gap:0 16px}.step-number{grid-row:1/3;margin:0;font-size:25px}.steps p{grid-column:2;font-size:15px}.range-grid{grid-template-columns:1fr}.range-card{padding:24px;display:grid;grid-template-columns:100px 1fr;gap:0 18px}.range-label,.range-card h3{grid-column:1/-1}.range-card h3{font-size:21px}.boiler-art{width:100px;height:100px;grid-column:1;grid-row:3/5;margin:14px 0}.range-models{grid-column:2;margin-top:12px}.range-card p{grid-column:2}.text-link{grid-column:1/-1;padding-top:20px}.why{display:flex;flex-direction:column-reverse;gap:32px}.why-brand{width:100%;display:flex;align-items:center;text-align:left;gap:24px;padding:22px}.why-brand img{width:140px;margin:0}.why-brand p{margin:0;font-size:16px}.included-grid{gap:24px 18px}.faq{display:block}.faq .section-heading{margin-bottom:28px}.closing{padding:48px 20px}.closing h2{font-size:32px}footer{padding:28px 20px;display:grid;gap:12px}footer small{margin-top:6px}.eyebrow{font-size:11px}.preview-note{font-size:11px}}@media(max-width:360px){h1{font-size:46px}.included-grid{grid-template-columns:1fr}.range-card{grid-template-columns:80px 1fr}.boiler-art{width:80px;height:80px}.why-brand img{width:110px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.finance-preview{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;background:#f5f7f8;border-radius:12px;margin-bottom:30px}.finance-preview p{color:var(--muted)}.finance-status{font-size:14px;border-left:3px solid var(--accent);padding-left:16px}.finance-interest{align-self:center;background:white;border:1px solid var(--line);border-radius:8px;padding:32px}.finance-interest p{font-size:15px}@media(max-width:700px){.finance-preview{grid-template-columns:1fr;gap:24px;border-radius:0;margin-bottom:0}.finance-interest{padding:24px}.site-header nav{display:none}}
.finance-interest label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}.finance-interest input,.finance-interest select{width:100%;font:inherit;padding:10px 12px;border:1px solid #b9c8d0;border-radius:5px;background:white;color:var(--ink)}.monthly strong{font-size:34px;color:var(--ink);letter-spacing:-1px}.monthly span{display:block;font-size:13px}.finance-interest dl{font-size:14px;margin:18px 0}.finance-interest dl div{display:flex;justify-content:space-between;gap:20px;padding:6px 0}.finance-interest dd{margin:0;font-weight:600;text-align:right}.finance-small{font-size:12px}.finance-interest .button{margin-top:12px}#financeResult{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}

/* BoilerBase brand */
.site-header{max-width:none;background:#00162f;color:white;padding:16px max(36px,calc((100vw - 1208px)/2));gap:32px}.site-header .brand img{width:290px;height:74px;object-fit:cover}.site-header nav a{color:#e8f5ff}.site-header .phone{color:#bdd6e8}.site-header .phone strong{color:white}.preview-note{background:#092e4e;color:#dceefa}.hero{max-width:none;background:linear-gradient(115deg,#00162f,#07304c);color:white;padding:48px max(36px,calc((100vw - 1208px)/2)) 64px;gap:54px}.hero .eyebrow{color:#4acbff}.hero h1 span{color:#2dc5fa}.hero-description,.cta-note{color:#c5d8e5}.hero-assurances{color:#e0f1fc}.hero-assurances span:before{color:#2dc5fa}.hero .primary{background:#007bb8;border:1px solid #35beee;box-shadow:0 8px 28px #0004}.hero-visual{box-shadow:0 18px 50px #0005;border-radius:16px;border:1px solid #ffffff25}.hero-photo{object-position:78% center}.visual-caption{background:#00162fe8}.visual-caption .caption-line{color:#6fd9ff}.brand-strip{padding:30px 0}.range-card.featured{box-shadow:0 10px 32px #007bb814;border-width:2px}.why-brand{background:#00162f;color:white;border:1px solid #154563;box-shadow:0 14px 40px #10293712}.why-brand img{mix-blend-mode:normal;width:100%}.why-brand p{color:#d4eafa}.closing{background:linear-gradient(120deg,#00162f,#063a57)}.boilers{background:#f0f7fb}
@media(max-width:950px){.site-header{gap:20px}.site-header .brand img{width:235px;height:65px}.site-header nav{gap:18px}.hero{gap:30px}}
@media(max-width:700px){.site-header{padding:14px 20px;gap:12px}.site-header .brand img{width:200px;height:58px}.site-header .phone{font-size:10px}.site-header .phone strong{font-size:13px}.hero{padding:32px 20px 40px;gap:28px}.hero-photo{object-position:80% center}.why-brand{display:block;text-align:center}.why-brand img{width:100%;max-width:320px;margin:auto}.why-brand p{margin-top:16px}.brand-strip{padding:24px 0}}
@media(max-width:380px){.site-header .brand img{width:165px;height:50px}.site-header .phone strong{font-size:12px}}

/* Jack, the BoilerBase mascot */
.jack-hero{background:radial-gradient(ellipse at 50% 35%,#12608c 0%,#052b48 55%,#00162f 100%);isolation:isolate}.jack-hero .hero-photo{position:absolute;inset:0;width:100%;height:100%;opacity:.12;filter:blur(1px);z-index:0}.hero-mascot{position:relative;z-index:1;width:100%;height:490px;object-fit:cover;object-position:center top;display:block}.jack-hero .visual-caption{z-index:2;background:#00162ff0;border:1px solid #258cba66}.jack-hero .caption-line{color:#69d4ff}
@media(max-width:950px){.hero-mascot{height:430px}}@media(max-width:700px){.jack-hero,.hero-mascot{height:400px;min-height:400px}.hero-mascot{object-position:center 0}.jack-hero .visual-caption{left:16px;right:16px;bottom:16px}}@media(max-width:380px){.jack-hero,.hero-mascot{height:370px;min-height:370px}}

/* BoilerBase wordmark reuses the original house/flame emblem. */
.boilerbase-logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;color:#fff;line-height:1;text-decoration:none}.boilerbase-emblem{display:block;flex:0 0 44px;width:44px;height:52px;background-image:url('boiler-base-v68.webp');background-repeat:no-repeat;background-size:297.45px 118.95px;background-position:-16.5px -28.8px}.boilerbase-wordmark{font-family:Arial,Helvetica,sans-serif;font-weight:900;font-size:27px;letter-spacing:-1.4px}.boilerbase-wordmark>span{color:#09b9ee}.brand{text-decoration:none}.why-brand .boilerbase-logo{justify-content:center;max-width:100%}@media(max-width:700px){.boilerbase-logo{gap:7px}.boilerbase-wordmark{font-size:23px;letter-spacing:-1.2px}}@media(max-width:380px){.boilerbase-wordmark{font-size:19px}.boilerbase-logo{gap:4px}}

.autumn-hero{min-height:0;aspect-ratio:3/2;overflow:hidden}.autumn-scene{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.hero:has(.autumn-hero){grid-template-columns:.9fr 1.1fr}@media(max-width:700px){.hero:has(.autumn-hero){grid-template-columns:1fr}.autumn-hero{height:auto;min-height:0;aspect-ratio:3/2}}

.range-product-photo{display:block;width:100%;height:230px;object-fit:contain;background:white;border-radius:12px;margin:18px 0}

/* Informational cards do not use the numbered steps' icon column. */
.information-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.information-grid article{min-width:0}
.information-grid h3,.information-grid p{overflow-wrap:break-word}
footer div{flex-wrap:wrap}
@media(max-width:700px){
 .information-grid{grid-template-columns:1fr;gap:28px}
 .information-grid article{display:block;padding-top:24px}
 .information-grid h3{font-size:21px;line-height:1.35;letter-spacing:-.3px;margin:0 0 12px}
 .information-grid p{font-size:16px;line-height:1.65;margin:0}
 #areas .section-heading h2{font-size:32px;line-height:1.2;letter-spacing:-.8px}
 .information-grid+p{margin-top:28px}
}

/* Genuine installation photographs: preserve the complete image at every width. */
.installation-work{background:#f4f7fa}
.installation-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:900px;margin:0 auto}
.installation-photo-grid figure{min-width:0;margin:0;background:#fff;border:1px solid #dce5eb;border-radius:16px;overflow:hidden}
.installation-photo-grid img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:contain}
.installation-photo-grid figcaption{padding:18px 20px;color:#172f3e;font-size:16px;line-height:1.5;font-weight:700;overflow-wrap:anywhere}
@media(max-width:700px){.installation-photo-grid{grid-template-columns:1fr;gap:20px;max-width:480px}.installation-photo-grid figcaption{padding:16px}}

/* Modern image formats preserve the established hero frame and original PNG fallback. */
.autumn-hero>picture{display:block;width:100%;height:100%}