:root{--blue:#082b8f;--deep:#03164f;--line:#dce7ff;--cyan:#72d8ff;--paper:#f7f9ff;--ink:#10204a;--muted:#526487;--accent:#ffd54a;--max:1240px;font-family:Arial,Helvetica,sans-serif;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.65}a{color:inherit}.skip{position:absolute;left:-999px;top:1rem;background:#fff;color:#000;padding:.75rem;z-index:100}.skip:focus{left:1rem}.site-header{position:relative;z-index:5;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:2rem;padding:1rem max(1rem,calc((100% - var(--max))/2));background:var(--deep);color:#fff;border-bottom:1px solid #ffffff55}.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;font-weight:800;line-height:1.05;text-transform:uppercase;letter-spacing:.04em}.brand-mark{display:grid;place-items:center;width:2.75rem;height:2.75rem;border:2px solid var(--cyan);color:var(--cyan)}.site-header nav{display:flex;justify-content:center;gap:clamp(.75rem,2vw,2rem)}.site-header nav a,.header-quote{font-weight:700;text-decoration:none}.header-quote{border:1px solid var(--cyan);padding:.55rem 1rem}.preview-note{padding:.55rem 1rem;background:#fff2b8;color:#3b2d00;text-align:center;font-size:.9rem}.breadcrumbs{max-width:var(--max);margin:auto;padding:1.1rem 1rem}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0;padding:0;font-size:.88rem}.breadcrumbs li+li:before{content:"/";margin-right:.5rem;color:#789}.hero{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);max-width:var(--max);margin:auto;padding:clamp(3rem,8vw,7rem) 1rem;color:#fff;background-color:var(--blue);background-image:linear-gradient(#ffffff12 1px,transparent 1px),linear-gradient(90deg,#ffffff12 1px,transparent 1px);background-size:28px 28px}.hero:before,.hero:after{content:"";position:absolute;border:1px solid #ffffff40;pointer-events:none}.hero:before{inset:1rem}.hero:after{inset:2rem}.hero-copy,.hero figure,.blueprint-placeholder{position:relative;z-index:1}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:800;color:#2762c9}.hero .eyebrow,.quote-panel .eyebrow{color:var(--cyan)}h1,h2{line-height:1.08;letter-spacing:-.025em}h1{font-size:clamp(2.65rem,6vw,5.8rem);margin:.35rem 0 1.25rem;max-width:13ch}h2{font-size:clamp(1.65rem,3vw,2.55rem);margin:.2rem 0 1rem}.lede{font-size:clamp(1.05rem,2vw,1.35rem);max-width:62ch;color:#e8efff}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-top:2rem}.button{display:inline-block;border:0;background:var(--accent);color:#152350;padding:.85rem 1.25rem;font-weight:800;text-decoration:none;cursor:pointer}.button:active{transform:scale(.97)}.text-link{font-weight:800}.hero figure{margin:0;align-self:center}.hero img,.blueprint-placeholder{display:block;width:100%;height:auto;border:1px solid #ffffff77;background:#02113f;color:#dff5ff}.blueprint-placeholder svg{display:block;width:100%;height:auto}.hero figcaption{font-size:.82rem;color:#d7e5ff;margin-top:.65rem}.spec-strip{display:grid;grid-template-columns:repeat(3,1fr);max-width:var(--max);margin:0 auto;background:#fff;border:1px solid #ccd8ef;border-top:0}.spec-strip span{padding:1rem;border-right:1px solid #ccd8ef;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}.spec-strip span:last-child{border:0}.spec-strip strong{display:block;font-size:.95rem;letter-spacing:0;color:var(--ink)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:4rem;max-width:var(--max);margin:0 auto;padding:5rem 1rem}.content-section{display:grid;grid-template-columns:4.5rem 1fr;gap:1.5rem;padding:2.5rem 0;border-top:1px solid #b9c6df}.section-index{font:700 1rem/1 monospace;color:#5671aa}.content-section p{max-width:75ch}.citation,.section-citations a{font-weight:800;color:var(--blue)}.section-citations{font-size:.82rem;color:var(--muted)}.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;list-style:none;padding:0}.checklist li{border-left:3px solid var(--blue);background:#edf2ff;padding:.75rem 1rem}.content-grid aside{align-self:start;position:sticky;top:1rem;border-top:4px solid var(--blue);background:#fff;padding:1.25rem;box-shadow:0 14px 34px #12306513}.related{list-style:none;padding:0;margin:0}.related li{border-top:1px solid #d9e1f0}.related a{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 0;text-decoration:none;font-weight:700}.faq,.sources{max-width:var(--max);margin:0 auto;padding:3rem 1rem}.faq{background:#e9f0ff}.faq details{border-top:1px solid #a9badc;padding:1rem 0}.faq summary{font-weight:800;cursor:pointer}.sources{font-size:.88rem}.quote-panel{display:grid;grid-template-columns:.7fr 1.3fr;gap:3rem;max-width:var(--max);margin:5rem auto;padding:clamp(1.5rem,4vw,3.5rem);background:var(--deep);color:#fff}.quote-form{display:grid;gap:1.5rem}.quote-form fieldset{border:1px solid #ffffff55;padding:1rem}.quote-form legend{font-weight:800;padding:0 .5rem}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.form-grid label,.quote-form>label{display:grid;gap:.4rem;font-weight:700}.form-grid .wide{grid-column:1/-1}.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid #91a4d0;background:#fff;color:#111;padding:.72rem}.checks{display:grid;gap:.5rem;margin-top:1rem}.checks label,.consent{display:flex!important;grid-template-columns:auto 1fr!important;align-items:flex-start;gap:.6rem!important}.checks input,.consent input{width:auto;margin-top:.35rem}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}footer{display:grid;grid-template-columns:1fr auto;gap:2rem;padding:3rem max(1rem,calc((100% - var(--max))/2));background:#020d32;color:#fff}footer nav{display:flex;flex-wrap:wrap;gap:1rem}.footer-note{grid-column:1/-1;border-top:1px solid #ffffff33;padding-top:1rem;color:#b9c8ed}.floating-quote{position:fixed;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));z-index:20;background:var(--accent);color:#17254c;padding:.8rem 1rem;text-decoration:none;font-weight:900;box-shadow:0 8px 22px #0004}.not-found{min-height:100vh;display:grid;align-content:center;max-width:800px;margin:auto;padding:2rem}code{overflow-wrap:anywhere}@media(max-width:900px){.site-header{grid-template-columns:1fr auto}.site-header nav{grid-column:1/-1;justify-content:flex-start;overflow-x:auto}.hero,.quote-panel,.content-grid{grid-template-columns:1fr}.content-grid aside{position:static}.checklist{grid-template-columns:1fr}}@media(max-width:600px){.form-grid,.spec-strip{grid-template-columns:1fr}.spec-strip span{border-right:0;border-bottom:1px solid #ccd8ef}.hero{padding:4rem 1rem}.hero:after{display:none}.content-section{grid-template-columns:1fr}.section-index{margin-bottom:-1rem}.floating-quote{left:1rem;right:1rem;text-align:center}footer{grid-template-columns:1fr;padding-bottom:6rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}html{scroll-padding-bottom:6rem}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.content-section{padding-inline:1.25rem;background-image:linear-gradient(90deg,var(--blue) 0 3px,transparent 3px),repeating-linear-gradient(0deg,#082b8f08 0 1px,transparent 1px 28px)}.content-section h2{padding-bottom:.8rem;border-bottom:1px solid #8fa6d2}.section-index{width:3rem;height:3rem;display:grid;place-items:center;border:1px solid #8fa6d2;background:#f7f9ff}.content-grid aside{background-image:linear-gradient(#082b8f08 1px,transparent 1px),linear-gradient(90deg,#082b8f08 1px,transparent 1px);background-size:20px 20px}.faq{border-block:3px solid var(--blue);background-image:repeating-linear-gradient(0deg,#082b8f08 0 1px,transparent 1px 28px)}.sources{border-left:3px solid var(--blue);background:#fff}footer{padding-bottom:6rem}@media(max-width:900px){.site-header nav{flex-wrap:wrap;overflow-x:visible}}@media(max-width:600px){.floating-quote{left:auto;right:max(1rem,env(safe-area-inset-right));width:auto;min-width:7rem}.quote-form{padding-bottom:4.5rem}}
:root{--modern-bg:#f2f5f7;--modern-surface:#fff;--modern-navy:#0a2538;--modern-charcoal:#26343d;--modern-muted:#63717a;--modern-line:#dce3e7;--modern-orange:#f36a21;--modern-orange-dark:#b9470d}
html{scroll-padding-top:4rem;scroll-padding-bottom:5.5rem}
body{background:var(--modern-bg);color:var(--modern-charcoal);font-family:Arial,"Helvetica Neue",sans-serif}
.interior-call-dock{position:sticky;top:0;z-index:60;display:flex;justify-content:flex-end;align-items:center;min-height:3.25rem;padding:.45rem max(1rem,calc((100% - var(--max))/2));background:#ffffffed;border-bottom:1px solid var(--modern-line);backdrop-filter:blur(14px);box-shadow:0 8px 24px #0a25380c}
.interior-call{display:inline-flex;align-items:center;gap:.5rem;min-height:2.35rem;padding:.45rem .85rem;border:1px solid #ced8dd;border-radius:999px;background:#fff;color:var(--modern-navy);text-decoration:none;font-size:.82rem;font-weight:800;box-shadow:0 6px 18px #0a253812}
.interior-call:before{content:"☎";display:grid;place-items:center;width:1.45rem;height:1.45rem;border-radius:50%;background:var(--modern-navy);color:#fff;font-size:.75rem}
.interior-call strong{color:var(--modern-orange-dark)}
.site-header{position:relative;grid-template-columns:auto 1fr auto;gap:clamp(1rem,3vw,2.25rem);padding:.85rem max(1rem,calc((100% - var(--max))/2));background:#fff;color:var(--modern-navy);border-bottom:1px solid var(--modern-line);box-shadow:none}
.brand{font-size:.8rem}.brand-mark{width:2.5rem;height:2.5rem;border:0;border-radius:.65rem;background:var(--modern-navy);color:#fff}.site-header nav{gap:clamp(.65rem,1.8vw,1.5rem)}.site-header nav a{font-size:.88rem}.header-quote{border:0;border-radius:999px;background:var(--modern-orange);color:#fff;padding:.62rem 1rem;box-shadow:0 8px 20px #f36a2128}
.preview-note{max-width:var(--max);margin:.7rem auto 0;padding:.45rem 1rem;background:transparent;color:var(--modern-muted);text-align:left;font-size:.76rem}.preview-note:before{content:"";display:inline-block;width:.42rem;height:.42rem;margin-right:.45rem;border-radius:50%;background:var(--modern-orange);vertical-align:.08rem}
.breadcrumbs{padding:.85rem 1rem;color:var(--modern-muted)}.breadcrumbs ol{font-size:.78rem;gap:.35rem}.breadcrumbs li+li:before{margin-right:.35rem;color:#9ba8af}
.hero{overflow:hidden;grid-template-columns:minmax(0,1.15fr) minmax(220px,.65fr);gap:clamp(2rem,6vw,5rem);max-width:var(--max);margin:.5rem auto 0;padding:clamp(3rem,7vw,6.5rem);border-radius:2rem;background-image:linear-gradient(90deg,#071f31f2 0%,#071f31dc 48%,#071f3185 100%),url("/manus-storage/heat-home-hero-photo_90a25c29.png");background-size:cover;background-position:center;color:#fff;box-shadow:0 26px 60px #0a253822}
.hero:before,.hero:after{display:none}.hero h1{font-size:clamp(2.6rem,5.4vw,5rem);max-width:15ch;margin:.45rem 0 1rem}.hero .lede{font-size:clamp(1rem,1.7vw,1.22rem);color:#e7edf0}.hero .eyebrow{color:#ff9b67}.hero-actions{margin-top:1.5rem}.button{border-radius:999px;background:var(--modern-orange);color:#fff;padding:.8rem 1.15rem;box-shadow:0 8px 20px #0002}.hero .text-link{color:#fff}.hero figure{padding:.75rem;border:1px solid #ffffff42;border-radius:1.25rem;background:#ffffff16;backdrop-filter:blur(8px)}.hero img,.blueprint-placeholder{border:0;border-radius:.85rem;background:#ffffff0c}.hero figcaption{color:#dce7eb}
.spec-strip{display:flex;flex-wrap:wrap;gap:.5rem;max-width:var(--max);margin:1rem auto 0;padding:0 1rem;background:transparent;border:0}.spec-strip span{min-width:10rem;padding:.55rem .8rem;border:1px solid var(--modern-line)!important;border-radius:999px;background:#fff;color:var(--modern-muted);font-size:.62rem}.spec-strip strong{display:inline;margin-left:.35rem;color:var(--modern-navy);font-size:.72rem}
.content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:2rem;padding:3rem 1rem}.content-section{grid-template-columns:3.25rem 1fr;gap:1rem;margin-bottom:1rem;padding:clamp(1.5rem,3vw,2.4rem);border:1px solid var(--modern-line);border-radius:1.25rem;background:#fff;background-image:none;box-shadow:0 12px 30px #0a25380b}.content-section h2{color:var(--modern-navy);border-bottom:1px solid var(--modern-line)}.section-index{width:2.4rem;height:2.4rem;border:0;border-radius:.7rem;background:#e9eff2;color:var(--modern-navy)}.checklist{gap:.65rem}.checklist li{border:0;border-radius:.75rem;background:#eef3f5;color:var(--modern-charcoal)}.content-grid aside{top:4.25rem;border:0;border-radius:1rem;background:#fff;background-image:none;box-shadow:0 16px 38px #0a253812}.content-grid aside .eyebrow{color:var(--modern-orange-dark)}.related li{border-color:var(--modern-line)}
.faq,.sources{border:1px solid var(--modern-line);border-radius:1.25rem;background:#fff;background-image:none}.faq{margin-block:1rem}.faq details{border-color:var(--modern-line)}.faq h2,.sources h2{color:var(--modern-navy)}.sources{margin-top:2rem}
.quote-panel{border-radius:1.5rem;background:var(--modern-navy);box-shadow:0 26px 60px #0a253822}.quote-panel .button{width:100%}.quote-form fieldset{border-color:#ffffff3d;border-radius:.8rem}.quote-form input,.quote-form select,.quote-form textarea{border-radius:.45rem}
footer{background:#071f31;color:#fff}.footer-note{color:#c9d4d9}.floating-quote{left:auto;right:max(.75rem,env(safe-area-inset-right));bottom:max(.75rem,env(safe-area-inset-bottom));width:auto;min-width:6.5rem;border-radius:999px;background:var(--modern-orange);color:#fff;text-align:center;box-shadow:0 12px 28px #071f3155}
@media(max-width:900px){.site-header{grid-template-columns:1fr auto}.site-header nav{grid-column:1/-1;justify-content:flex-start;gap:.5rem 1rem}.hero{grid-template-columns:1fr;padding:3.25rem 2rem}.hero figure{max-width:560px}.content-grid{grid-template-columns:1fr}.content-grid aside{position:static}}
@media(max-width:600px){html{scroll-padding-top:3.5rem}.interior-call-dock{min-height:3rem;padding:.35rem .75rem}.interior-call{min-height:2.2rem;padding:.38rem .72rem;font-size:.76rem}.site-header{grid-template-columns:1fr auto;gap:.75rem;padding:.75rem 1rem}.brand{font-size:.7rem}.brand-mark{width:2.2rem;height:2.2rem}.site-header nav{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.25rem .75rem}.site-header nav a{padding:.25rem 0;font-size:.8rem}.header-quote{align-self:start;padding:.5rem .8rem;font-size:.8rem}.preview-note{margin-top:.3rem;padding:.38rem 1rem;font-size:.7rem}.breadcrumbs{padding:.65rem 1rem}.breadcrumbs ol{font-size:.72rem}.hero{margin:.15rem .75rem 0;padding:2.4rem 1.25rem 6rem;border-radius:1.2rem}.hero h1{font-size:clamp(2.25rem,11.5vw,3.6rem);max-width:100%;overflow-wrap:anywhere}.hero .lede{font-size:.98rem}.hero-actions{gap:.65rem}.hero figure{padding:.5rem}.spec-strip{margin-top:.7rem;padding:0 .75rem}.spec-strip span{min-width:0}.content-grid{padding:1.5rem .75rem}.content-section{grid-template-columns:1fr;padding:1.25rem}.section-index{margin-bottom:0}.checklist{grid-template-columns:1fr}.faq,.sources{margin-inline:.75rem;padding:1.5rem 1rem}.quote-panel{margin:2rem .75rem;padding:1.25rem;border-radius:1.15rem}.floating-quote{padding:.65rem .9rem;min-width:5.8rem;font-size:.85rem}footer{padding-inline:1rem;padding-bottom:5.5rem}}

:root{--buyer-ink:#111311;--buyer-black:#090b0a;--buyer-gray:#eceeef;--buyer-gray-2:#f6f7f7;--buyer-white:#fff;--buyer-line:#cfd3d4;--buyer-muted:#5c6264;--buyer-yellow:#ffd51f;--buyer-yellow-dark:#d6ad00;--buyer-max:1180px;--buyer-radius:8px}
body,.home-sample{background:var(--buyer-gray);color:var(--buyer-ink)}
.home-call-dock,.interior-call-dock{min-height:2.8rem;padding:.35rem max(1rem,calc((100% - var(--buyer-max))/2));background:var(--buyer-black);border:0;box-shadow:none;backdrop-filter:none}
.home-call-dock .home-call-button,.interior-call{min-height:2.05rem;padding:.35rem .7rem;border:1px solid var(--buyer-yellow);border-radius:4px;background:var(--buyer-yellow);color:var(--buyer-black)!important;box-shadow:none;font-size:.76rem;font-weight:850;letter-spacing:.01em}
.home-call-button>span[aria-hidden],.interior-call:before{display:none}.home-call-button strong,.interior-call strong{color:var(--buyer-black)}
.home-header,.site-header{background:var(--buyer-white);border-bottom:1px solid var(--buyer-line);box-shadow:none}
.home-nav,.site-header{max-width:var(--buyer-max)}
.home-brand>span,.brand-mark{border:0;border-radius:4px;background:var(--buyer-black);color:var(--buyer-yellow)}
.home-brand,.brand{color:var(--buyer-black)}
.home-nav nav a,.site-header nav a{color:#2e3333;font-weight:750;text-decoration:none}
.home-nav nav a:hover,.site-header nav a:hover{color:var(--buyer-black);text-decoration:underline;text-decoration-color:var(--buyer-yellow);text-decoration-thickness:3px;text-underline-offset:5px}
.home-nav-quote,.header-quote,.home-button,.button,.quote-panel .button{border:1px solid var(--buyer-yellow)!important;border-radius:4px!important;background:var(--buyer-yellow)!important;color:var(--buyer-black)!important;box-shadow:none!important;font-weight:850}
.home-preview,.preview-note{max-width:var(--buyer-max);margin:.55rem auto 0;padding:.4rem 1rem;background:transparent;color:var(--buyer-muted);font-size:.72rem;text-align:left}
.home-preview>span,.preview-note:before{background:var(--buyer-yellow-dark)}
.breadcrumbs{max-width:var(--buyer-max);padding:.7rem 1rem;color:var(--buyer-muted)}
.home-hero{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:0;max-width:var(--buyer-max);margin:1.25rem auto 0;padding:0;overflow:hidden;border:1px solid var(--buyer-line);border-radius:var(--buyer-radius);background:var(--buyer-white);box-shadow:none}
.home-hero-copy{padding:clamp(2.25rem,5vw,4.75rem)}
.home-kicker,.eyebrow{color:#756100;font-size:.72rem;font-weight:900;letter-spacing:.13em}
.home-hero h1{max-width:10ch;margin:.45rem 0 1.25rem;color:var(--buyer-black);font-size:clamp(3.2rem,6vw,5.9rem);line-height:.9;letter-spacing:-.06em}
.home-lede{max-width:48ch;color:#414748;font-size:clamp(1rem,1.5vw,1.15rem)}
.home-hero-photo{margin:0;background:var(--buyer-black)}.home-hero-photo picture,.home-hero-photo img{display:block;width:100%;height:100%}.home-hero-photo img{min-height:560px;object-fit:cover}.home-hero-photo figcaption{position:absolute;left:-9999px}
.home-actions{gap:1rem}.home-text-link{color:var(--buyer-black);font-weight:800;text-underline-offset:4px}.home-proof{border-top:1px solid var(--buyer-line)}
.home-value{max-width:var(--buyer-max);margin:0 auto;padding:3rem 1rem;background:var(--buyer-black);color:var(--buyer-white)}.home-value>.home-kicker{color:var(--buyer-yellow)}.home-value>div{gap:0}.home-value article{padding:0 2rem;border-left:1px solid #ffffff36}.home-value article:first-child{border-left:0}.home-value article>strong{color:var(--buyer-yellow)}.home-value h2{color:var(--buyer-white)}.home-value p{color:#d9dddd}
.home-section,.home-process,.home-photo-feature,.home-next,.home-resources,.home-faq{max-width:var(--buyer-max);margin:0 auto;padding:clamp(3rem,6vw,5rem) 1rem;border-top:1px solid var(--buyer-line)}
.home-section-head{max-width:760px}.home-section-head h2,.home-photo-feature h2,.home-next h2,.home-resources h2,.home-faq h2{color:var(--buyer-black);letter-spacing:-.045em}
.home-equipment-grid{gap:0;border-top:2px solid var(--buyer-black)}.home-equipment-grid>a{padding:1.5rem;border:0;border-bottom:1px solid var(--buyer-line);border-radius:0;background:transparent;box-shadow:none}.home-equipment-grid>a:hover{background:var(--buyer-white);transform:none}.home-equipment-grid>a>b{color:#665400}
.home-process{background:var(--buyer-white)}.home-process ol{gap:0;border-top:2px solid var(--buyer-black)}.home-process li{padding:1.5rem 0;border:0;border-bottom:1px solid var(--buyer-line);border-radius:0;background:transparent;box-shadow:none}.home-process li>span{border-radius:4px;background:var(--buyer-yellow);color:var(--buyer-black)}
.home-photo-feature{gap:0;padding-inline:1rem}.home-photo-feature figure{margin:0;border:0;border-radius:var(--buyer-radius) 0 0 var(--buyer-radius);background:var(--buyer-black);overflow:hidden}.home-photo-feature.reverse figure{border-radius:0 var(--buyer-radius) var(--buyer-radius) 0}.home-photo-feature>div{padding:clamp(2rem,5vw,4rem);background:var(--buyer-white)}.home-photo-caption{position:absolute;left:-9999px}.home-feature-links a{border:1px solid var(--buyer-line);border-radius:4px;background:var(--buyer-gray-2)}
.home-next nav,.home-resources .related{gap:0;border-top:2px solid var(--buyer-black)}.home-next nav a,.home-resources .related a{padding:1rem 0;border:0;border-bottom:1px solid var(--buyer-line);border-radius:0;background:transparent;box-shadow:none}
.home-faq>div{border-top:2px solid var(--buyer-black)}.home-faq details{border-bottom:1px solid var(--buyer-line)}
.hero{display:block;max-width:var(--buyer-max);min-height:460px;margin:1.1rem auto 0;padding:clamp(3rem,7vw,6rem);overflow:hidden;border:0;border-radius:var(--buyer-radius);background-image:linear-gradient(90deg,#080a09f2 0%,#080a09d8 55%,#080a0955 100%),url("/manus-storage/heat-home-hero-photo_90a25c29.png");background-size:cover;background-position:center;box-shadow:none;color:var(--buyer-white)}
.hero:before,.hero:after{display:none}.hero>div:first-child{max-width:680px}.hero h1{max-width:13ch;margin:.45rem 0 1rem;color:var(--buyer-white);font-size:clamp(3rem,6vw,5.7rem);line-height:.92;letter-spacing:-.055em}.hero .lede{max-width:55ch;color:#e7e9e8}.hero .eyebrow{color:var(--buyer-yellow)}.hero .text-link{color:var(--buyer-white)}.hero figure{display:none}
.spec-strip{display:none}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:0;max-width:var(--buyer-max);padding:3.5rem 1rem}
.content-grid main,.content-grid article{min-width:0}.content-section{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:1rem;margin:0;padding:2.25rem 0;border:0;border-top:1px solid var(--buyer-line);border-radius:0;background:transparent;background-image:none;box-shadow:none}.content-section:first-child{border-top:2px solid var(--buyer-black)}.content-section h2{margin-top:0;padding-bottom:.65rem;border:0;color:var(--buyer-black)}.section-index{width:2.25rem;height:2.25rem;border:0;border-radius:4px;background:var(--buyer-yellow);color:var(--buyer-black);font-weight:900}.checklist{gap:.5rem}.checklist li{border:0;border-radius:3px;background:var(--buyer-white);color:var(--buyer-ink);box-shadow:none}
.content-grid aside{position:static;margin-top:1rem;padding:1.5rem 0;border:0;border-top:2px solid var(--buyer-black);border-radius:0;background:transparent;background-image:none;box-shadow:none}.content-grid aside .eyebrow{color:#756100}.related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2rem}.related li{border-bottom:1px solid var(--buyer-line)}
.faq,.sources{max-width:var(--buyer-max);margin:0 auto;padding:2.75rem 1rem;border:0;border-top:1px solid var(--buyer-line);border-radius:0;background:var(--buyer-white);background-image:none;box-shadow:none}.faq details{border-color:var(--buyer-line)}.faq h2,.sources h2{color:var(--buyer-black)}
.quote-panel{max-width:var(--buyer-max);margin:2rem auto 0;border:0;border-radius:var(--buyer-radius);background:var(--buyer-black);box-shadow:none}.quote-form fieldset{border-color:#ffffff40;border-radius:4px}.quote-form input,.quote-form select,.quote-form textarea{border-radius:3px}.quote-panel .button{width:100%}
.home-footer,footer{background:var(--buyer-black);color:var(--buyer-white)}.footer-note,.home-footer-note{color:#bfc4c3}
.home-floating-quote,.floating-quote{border:1px solid var(--buyer-black);border-radius:4px;background:var(--buyer-yellow);color:var(--buyer-black);box-shadow:0 8px 18px #0003;font-weight:900}
@media(max-width:900px){.home-hero{grid-template-columns:1fr}.home-hero-photo img{min-height:380px}.home-value>div{grid-template-columns:1fr}.home-value article{padding:1.25rem 0;border-left:0;border-top:1px solid #ffffff36}.home-value article:first-child{border-top:0}.home-photo-feature,.home-photo-feature.reverse{grid-template-columns:1fr}.home-photo-feature figure,.home-photo-feature.reverse figure{border-radius:var(--buyer-radius) var(--buyer-radius) 0 0}.related{grid-template-columns:1fr}.hero{min-height:420px;padding:4rem 2rem}}
@media(max-width:600px){.home-call-dock,.interior-call-dock{padding:.3rem .65rem}.home-call-dock .home-call-button,.interior-call{font-size:.7rem}.home-nav,.site-header{gap:.55rem;padding:.7rem .8rem}.home-nav nav,.site-header nav{gap:.2rem .65rem}.home-nav nav a,.site-header nav a{font-size:.74rem}.home-nav-quote,.header-quote{padding:.5rem .7rem!important;font-size:.76rem}.home-preview,.preview-note{padding:.35rem .8rem;font-size:.67rem}.breadcrumbs{padding:.55rem .8rem}.home-hero{margin:.8rem .65rem 0}.home-hero-copy{padding:2rem 1.25rem}.home-hero h1{font-size:clamp(2.65rem,13vw,4rem)}.home-hero-photo img{min-height:280px}.home-section,.home-process,.home-photo-feature,.home-next,.home-resources,.home-faq{padding:2.75rem .8rem}.hero{min-height:390px;margin:.65rem;padding:3rem 1.25rem;background-position:58% center}.hero h1{font-size:clamp(2.45rem,12vw,4rem);max-width:100%;overflow-wrap:anywhere}.content-grid{padding:2.25rem .8rem}.content-section{grid-template-columns:1fr;padding:1.75rem 0}.related{grid-template-columns:1fr}.faq,.sources{padding:2.25rem .8rem}.quote-panel{margin:1.25rem .65rem 0;padding:1.1rem}.home-floating-quote,.floating-quote{min-width:5.7rem;padding:.65rem .85rem;font-size:.8rem}footer{padding-bottom:5.25rem}}