@font-face{font-family:Instrument;src:url('../fonts/instrument-serif-400.woff2') format('woff2');font-display:swap}
:root{--bt-ink:#302633;--bt-muted:#746874;--bt-paper:#fcfaf7;--bt-plum:#55364e;--bt-rose:#f0e0dd;--bt-line:#ded6d8;--bt-lilac:#ede8f1;--bt-gold:#ab8b57}
html{scroll-behavior:smooth;scroll-padding-top:95px}body.bt-page{margin:0;background:var(--bt-paper);color:var(--bt-ink);font:16px/1.65 Arial,Helvetica,sans-serif}body.bt-page *,.bt-head *,.bt-foot *{box-sizing:border-box}.bt-page img{display:block;max-width:100%;height:auto}.bt-page a,.bt-head a,.bt-foot a{color:inherit}.bt-page button,.bt-page input,.bt-page select,.bt-page textarea{font:inherit}.bt-page h1,.bt-page h2,.bt-page h3,.bt-page p,.bt-page figure{margin:0}.bt-page h1,.bt-page h2{font-family:Instrument,Georgia,serif;font-weight:400;line-height:1.06;letter-spacing:-.035em}.bt-page h1{font-size:clamp(44px,5.2vw,78px)}.bt-page h2{font-size:clamp(36px,3.8vw,54px)}.bt-page h3{font-size:21px;line-height:1.3;font-weight:500;letter-spacing:-.02em}.bt-page p{color:var(--bt-muted)}.bt-wrap{width:min(1280px,calc(100% - 96px));margin:0 auto}.bt-section{padding:86px 0}.bt-section+.bt-section{border-top:1px solid var(--bt-line)}.bt-eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:700;color:var(--bt-plum);display:block;margin-bottom:19px}.bt-section-head{display:flex;justify-content:space-between;gap:36px;align-items:end;margin-bottom:36px}.bt-section-head p{max-width:440px;font-size:16px}.bt-section-head h2{max-width:620px}.bt-kicker{font-size:12px;letter-spacing:.04em;color:var(--bt-muted)}
.bt-skip{position:fixed;left:20px;top:-70px;z-index:10000;padding:10px;background:white;color:#222}.bt-skip:focus{top:10px}.bt-announcement{background:var(--bt-plum);color:#fff;text-align:center;font:11px/1.4 Arial,sans-serif;letter-spacing:.12em;padding:9px 20px;text-transform:uppercase}.bt-head{position:sticky;top:0;z-index:100;background:rgba(252,250,247,.98);border-bottom:1px solid var(--bt-line);color:var(--bt-ink);font:14px/1.4 Arial,sans-serif}.bt-head-inner{width:min(1360px,calc(100% - 64px));margin:auto;display:flex;align-items:center;gap:25px;min-height:88px}.bt-brand{text-decoration:none;line-height:1;min-width:176px}.bt-brand strong{font-size:29px;letter-spacing:-1.5px;font-weight:600;display:block}.bt-brand small{font-size:9px;letter-spacing:.21em;display:block;margin-top:8px}.bt-nav{display:flex;gap:25px;align-items:center;margin-left:auto}.bt-nav a{text-decoration:none;padding:10px 0;font-size:12px;position:relative}.bt-nav a[aria-current=page]:after{content:'';position:absolute;bottom:3px;left:0;right:0;height:1px;background:var(--bt-plum)}.bt-nav a:hover{color:var(--bt-plum)}.bt-btn{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--bt-plum);color:white!important;border:1px solid var(--bt-plum);padding:14px 23px;min-height:49px;font:13px/1.4 Arial,sans-serif;text-decoration:none;cursor:pointer;transition:background .2s}.bt-btn:hover{background:#39263a}.bt-btn--light{background:transparent;color:var(--bt-plum)!important;border-color:#ac96a7}.bt-btn--light:hover{background:#f0e7eb}.bt-btn--white{background:#fcfaf7;color:var(--bt-plum)!important;border-color:#fcfaf7}.bt-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.bt-menu-toggle{display:none;border:1px solid var(--bt-line);background:transparent;padding:9px 12px;color:var(--bt-ink);font:13px Arial}.bt-head-cta{white-space:nowrap;padding:12px 16px;font-size:12px;min-height:43px}.bt-crumb{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--bt-muted);margin-bottom:30px}.bt-crumb a{text-decoration:none}.bt-text-link{font-size:13px;text-underline-offset:6px;color:var(--bt-plum)!important}
.bt-hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-top:52px;padding-bottom:48px;align-items:center}.bt-hero p{font-size:17px;max-width:510px;margin-top:24px;line-height:1.75}.bt-hero h1 em{font-style:normal;color:#855967}.bt-hero-visual{position:relative;background:var(--bt-rose);overflow:hidden}.bt-hero-visual>img{width:100%;aspect-ratio:1.08;object-fit:cover}.bt-hero-cap{padding:13px 18px;background:#eee7e4;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.1em;text-transform:uppercase;gap:15px}.bt-proofline{display:flex;flex-wrap:wrap;gap:10px 23px;margin-top:29px;font-size:11px;color:var(--bt-muted)}.bt-proofline span:before{content:'·';margin-right:9px;color:var(--bt-gold)}.bt-routebar{border-top:1px solid var(--bt-line);border-bottom:1px solid var(--bt-line);display:grid;grid-template-columns:repeat(3,1fr)}.bt-routebar a{padding:23px 27px;text-decoration:none;border-right:1px solid var(--bt-line);display:flex;align-items:center;gap:19px;font-size:14px}.bt-routebar a:last-child{border-right:0}.bt-routebar small{color:#aa969b;font-size:11px}.bt-routebar b{margin-left:auto;font-weight:400}.bt-routebar a:hover{background:#f2ebe8}.bt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.bt-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.bt-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-category{text-decoration:none;display:block}.bt-category .bt-media{aspect-ratio:1.15;overflow:hidden;background:#eee8e5}.bt-category img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.bt-category:hover img{transform:scale(1.025)}.bt-category .bt-eyebrow{margin:21px 0 8px}.bt-category h3{display:flex;align-items:center;justify-content:space-between}.bt-category p{margin-top:9px;font-size:14px;max-width:350px}.bt-note{font-size:11px!important;line-height:1.6;color:var(--bt-muted);margin-top:13px!important}.bt-badge{position:absolute;top:14px;left:14px;background:var(--bt-paper);padding:6px 10px;font-size:10px;letter-spacing:.05em}.bt-product{min-width:0;border:1px solid var(--bt-line);background:#fff;display:flex;flex-direction:column}.bt-product[hidden]{display:none}.bt-product .bt-media{aspect-ratio:1.15;position:relative;overflow:hidden;background:#eee}.bt-product .bt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.bt-product:hover .bt-media img{transform:scale(1.025)}.bt-product-body{padding:23px;display:flex;flex-direction:column;flex:1}.bt-product-body .bt-kicker{font-size:10px;text-transform:uppercase;margin-bottom:8px;letter-spacing:.09em}.bt-product-body h3 a{text-decoration:none}.bt-product-body p{font-size:13px;margin-top:10px;flex:1}.bt-product-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--bt-line);padding-top:18px;margin-top:20px;gap:10px}.bt-product-foot a{font-size:12px;text-underline-offset:4px}.bt-shortlist{border:0;background:transparent;color:var(--bt-plum);font-size:12px!important;cursor:pointer;padding:5px 0}.bt-shortlist[aria-pressed=true]{font-weight:700}.bt-editorial{display:grid;grid-template-columns:1.1fr 1fr;min-height:550px;background:var(--bt-lilac)}.bt-editorial-image{min-width:0;overflow:hidden}.bt-editorial-image img{height:100%;width:100%;object-fit:cover}.bt-editorial-copy{padding:60px 56px;align-self:center}.bt-editorial-copy p{margin-top:23px}.bt-pills{display:flex;gap:10px;flex-wrap:wrap;margin:23px 0}.bt-pills span{font-size:11px;border:1px solid #cbbfce;padding:7px 11px}.bt-flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--bt-line);gap:30px;margin-top:38px}.bt-step{padding-top:24px}.bt-step>span{color:var(--bt-gold);font:30px Instrument,Georgia,serif}.bt-step h3{margin:15px 0 12px;font-size:18px}.bt-step p{font-size:14px}.bt-buyers article{padding:32px;border:1px solid var(--bt-line);background:white}.bt-buyers h3{margin:17px 0 14px}.bt-buyers p{font-size:14px;margin-bottom:25px}.bt-band{background:var(--bt-plum);color:white;padding:55px 0}.bt-band .bt-wrap{display:flex;gap:35px;justify-content:space-between;align-items:center}.bt-band h2{font-size:48px;max-width:730px}.bt-band p{color:#e7dce5;margin-top:18px;max-width:650px}.bt-article-card{text-decoration:none;display:block}.bt-article-card img{width:100%;aspect-ratio:1.65;object-fit:cover}.bt-article-card .bt-eyebrow{margin:21px 0 11px;font-size:10px}.bt-article-card h3{font-size:23px}.bt-article-card p{font-size:14px;margin-top:13px}.bt-foot{background:#f0eae6;color:var(--bt-ink);font:14px/1.7 Arial,sans-serif;padding:60px 0 22px}.bt-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:45px}.bt-foot p{color:var(--bt-muted);font-size:13px;max-width:290px;margin-top:20px}.bt-foot b{font-size:12px;font-weight:600}.bt-foot a:not(.bt-brand){display:block;text-decoration:none;color:var(--bt-muted);font-size:12px;margin-top:12px}.bt-foot a:hover{text-decoration:underline}.bt-foot-bottom{border-top:1px solid var(--bt-line);margin-top:45px;padding-top:20px;display:flex;gap:25px;justify-content:space-between;font-size:10px;color:var(--bt-muted)}
.bt-filters{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.bt-filter{border:1px solid var(--bt-line);background:white;padding:9px 16px;cursor:pointer;color:var(--bt-muted);font-size:12px!important}.bt-filter[aria-pressed=true]{color:white;background:var(--bt-plum);border-color:var(--bt-plum)}.bt-compare{width:100%;border-collapse:collapse;font-size:13px}.bt-table-wrap{overflow:auto;margin-top:30px}.bt-compare th,.bt-compare td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--bt-line);vertical-align:top}.bt-compare th{background:#eee7ec;font-size:11px;text-transform:uppercase;letter-spacing:.07em}.bt-compare th:first-child{width:25%}.bt-compare td:first-child{font-weight:600}.bt-specs td:first-child{width:34%;font-weight:500}.bt-specs td:last-child{color:var(--bt-muted)}.bt-product-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:start;padding:45px 0 65px}.bt-product-hero h1{font-size:58px}.bt-product-hero p{margin-top:24px}.bt-product-hero .bt-eyebrow{margin-top:5px}.bt-gallery-main{width:100%;aspect-ratio:1.1;object-fit:cover;background:#efebeb}.bt-gallery-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}.bt-gallery-thumbs a{border:1px solid var(--bt-line)}.bt-gallery-thumbs img{aspect-ratio:1.25;object-fit:cover;width:100%}.bt-feature-list{list-style:none;margin:24px 0 0;padding:0}.bt-feature-list li{border-top:1px solid var(--bt-line);padding:11px 0;font-size:13px}.bt-feature-list li:before{content:'+';margin-right:13px;color:var(--bt-gold)}.bt-product-intro{background:#f1e9e5;padding:25px;margin-top:24px;font-size:13px}.bt-product-intro p{margin-top:5px}.bt-faq{margin-top:30px;max-width:900px}.bt-faq details{border-top:1px solid var(--bt-line);padding:22px 0}.bt-faq summary{cursor:pointer;font-size:17px;padding-right:20px}.bt-faq details p{margin:15px 0 0;font-size:14px;max-width:75ch}.bt-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.bt-split p{margin-top:22px}.bt-split img{width:100%;aspect-ratio:1.3;object-fit:cover}.bt-technical{background:#f0eaf2}.bt-technical .bt-grid article{padding:28px;background:#fcfaf7}.bt-technical h3{margin:15px 0}.bt-technical p{font-size:14px}.bt-technical b{font:38px Instrument,serif}.bt-video{width:100%;background:#e7e2e3;aspect-ratio:16/9;object-fit:contain}.bt-form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;padding:60px 0 85px}.bt-form-layout h1{font-size:62px}.bt-form-layout p{margin-top:23px}.bt-form{background:#fff;border:1px solid var(--bt-line);padding:36px}.bt-form fieldset{border:0;padding:0;margin:0 0 24px}.bt-form legend{font-size:16px;margin-bottom:15px;font-weight:600}.bt-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.bt-field{display:flex;flex-direction:column;gap:7px;margin-bottom:17px}.bt-field label{font-size:12px;color:var(--bt-ink)}.bt-field input,.bt-field select,.bt-field textarea{width:100%;padding:12px;background:var(--bt-paper);border:1px solid var(--bt-line);border-radius:0;color:var(--bt-ink);font-size:14px}.bt-field textarea{min-height:115px;resize:vertical}.bt-field--wide{grid-column:1/-1}.bt-hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.bt-status{padding:16px;border:1px solid var(--bt-line);margin-bottom:18px;font-size:14px}.bt-status:empty{display:none}.bt-status[data-state=error]{border-color:#a94a57;background:#fff4f4}.bt-status[data-state=success]{border-color:#527155;background:#f0f7f0}.bt-check{font-size:12px;display:flex;gap:10px;align-items:start;margin:18px 0 23px;color:var(--bt-muted)}.bt-check input{margin-top:4px}.bt-form .bt-btn{width:100%}.bt-selection{padding:20px 0;border-bottom:1px solid var(--bt-line);font-size:14px}.bt-selection button{background:none;border:0;color:var(--bt-plum);cursor:pointer;text-decoration:underline;font-size:11px}.bt-toc{padding:22px 28px;background:var(--bt-lilac);margin:25px 0}.bt-toc a{display:block;font-size:13px;padding:6px 0}.bt-article{max-width:790px;margin:auto;padding:45px 0 75px}.bt-article h1{font-size:58px}.bt-article>p{font-size:18px;margin-top:25px}.bt-article h2{font-size:36px;margin:42px 0 20px}.bt-article section p,.bt-article li{font-size:16px;line-height:1.85;color:var(--bt-muted);margin-bottom:18px}.bt-article section a{color:var(--bt-plum);text-underline-offset:4px}.bt-article .bt-article-cover{width:100%;aspect-ratio:1.8;object-fit:cover;margin:30px 0}.bt-article .bt-meta{font-size:11px;letter-spacing:.04em;margin-top:18px}.bt-article ul{padding-left:22px}.bt-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100% - 40px);background:var(--bt-plum);color:#fff;font:13px/1.5 Arial,sans-serif;padding:14px 20px;z-index:300}.bt-toast:empty{display:none}.bt-article-index .bt-article-card{border-bottom:1px solid var(--bt-line);padding-bottom:25px}.bt-brand-gallery{display:grid;grid-template-columns:2fr 1fr;gap:20px}.bt-brand-gallery img{height:100%;width:100%;object-fit:cover}.bt-legacy main{display:block}.bt-legacy [data-reveal]{opacity:1!important;transform:none!important;filter:none!important}.bt-legacy .bt-head-inner{min-height:88px}.bt-legacy h1{overflow-wrap:anywhere}.bt-legacy .bt-foot .bt-brand strong{font-family:Arial,sans-serif}.bt-legacy .bt-head-cta{border-radius:0}.bt-page :focus-visible,.bt-head :focus-visible{outline:2px solid #a2758c;outline-offset:5px}body:has(.bt-nav.bt-open){overflow:hidden}
@media(min-width:1500px){.bt-hero{gap:75px;padding-top:70px;padding-bottom:65px}}
@media(max-width:1120px){.bt-nav{gap:16px}.bt-head-inner{gap:20px}.bt-brand{min-width:155px}.bt-brand strong{font-size:27px}.bt-head-cta{padding:11px}.bt-wrap{width:calc(100% - 64px)}.bt-hero{gap:35px}.bt-editorial-copy{padding:40px}.bt-product-body{padding:20px}.bt-grid--4{grid-template-columns:repeat(3,1fr)}.bt-product-hero{gap:38px}}
@media(max-width:930px){.bt-head-inner{min-height:73px}.bt-head-cta{margin-left:auto}.bt-menu-toggle{display:block}.bt-nav{display:none;position:fixed;inset:108px 0 0;background:var(--bt-paper);padding:25px 35px;overflow:auto;align-items:start;z-index:101}.bt-nav.bt-open{display:flex;flex-direction:column;gap:10px}.bt-nav a{font-size:23px;width:100%;border-bottom:1px solid var(--bt-line);padding:15px 0}.bt-grid,.bt-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-flow{grid-template-columns:repeat(2,1fr)}.bt-hero h1{font-size:56px}.bt-editorial{min-height:430px}.bt-editorial-copy{padding:30px}.bt-form-layout{gap:35px;grid-template-columns:1fr 1.2fr}.bt-foot-grid{grid-template-columns:repeat(2,1fr)}.bt-routebar a{padding:18px 13px;font-size:12px;gap:10px}}
@media(max-width:680px){.bt-wrap{width:calc(100% - 38px)}.bt-head-inner{width:calc(100% - 32px);gap:10px;min-height:69px}.bt-brand{min-width:0}.bt-brand strong{font-size:25px}.bt-brand small{font-size:7px}.bt-head-cta{font-size:10px;padding:9px 10px;min-height:36px}.bt-menu-toggle{font-size:11px;padding:10px}.bt-announcement{font-size:9px;letter-spacing:.06em;padding:9px 12px}.bt-nav{top:99px}.bt-hero{grid-template-columns:1fr;padding:32px 0 26px;gap:30px}.bt-hero h1{font-size:58px;max-width:540px}.bt-hero p{font-size:15px;margin-top:20px}.bt-hero .bt-eyebrow{font-size:9px}.bt-hero-visual>img{aspect-ratio:1.17}.bt-hero-cap{font-size:8px;padding:11px 12px}.bt-actions{gap:10px}.bt-btn{font-size:12px;padding:13px 17px;gap:13px}.bt-proofline{font-size:10px;gap:8px 13px;margin-top:22px}.bt-routebar{grid-template-columns:1fr}.bt-routebar a{padding:15px 12px;border-right:0;border-bottom:1px solid var(--bt-line);font-size:13px}.bt-routebar a:last-child{border-bottom:0}.bt-section{padding:54px 0}.bt-section-head{display:block;margin-bottom:27px}.bt-section-head p{margin-top:20px;font-size:14px}.bt-section-head h2{font-size:41px}.bt-grid,.bt-grid--4,.bt-grid--2{grid-template-columns:1fr;gap:27px}.bt-category .bt-media{aspect-ratio:1.4}.bt-category p{max-width:none}.bt-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bt-product-body{padding:15px 12px}.bt-product-body h3{font-size:16px}.bt-product-body p{font-size:11px}.bt-product-body .bt-kicker{font-size:9px}.bt-product-foot{flex-wrap:wrap;padding-top:11px;margin-top:14px}.bt-product-foot a,.bt-shortlist{font-size:10px!important}.bt-badge{font-size:8px;top:8px;left:8px;padding:4px 7px}.bt-editorial{grid-template-columns:1fr}.bt-editorial-image img{aspect-ratio:1.28}.bt-editorial-copy{padding:35px 25px}.bt-editorial-copy h2{font-size:44px}.bt-editorial-copy p{font-size:14px}.bt-flow{gap:25px 20px}.bt-step p{font-size:12px}.bt-step h3{font-size:16px}.bt-buyers article{padding:27px}.bt-band{padding:45px 0}.bt-band .bt-wrap{display:block}.bt-band .bt-btn{margin-top:24px}.bt-band h2{font-size:42px}.bt-band p{font-size:14px}.bt-foot{padding-top:43px}.bt-foot-grid{gap:30px 22px}.bt-foot-grid>div:first-child{grid-column:1/-1}.bt-foot-bottom{flex-direction:column;gap:6px}.bt-product-hero{grid-template-columns:1fr;gap:30px;padding:25px 0 45px}.bt-product-hero h1{font-size:47px}.bt-crumb{font-size:10px;margin-bottom:22px}.bt-split{grid-template-columns:1fr;gap:28px}.bt-product-intro{padding:20px}.bt-compare{font-size:12px;min-width:580px}.bt-specs{min-width:0}.bt-compare td,.bt-compare th{padding:13px 10px}.bt-form-layout{grid-template-columns:1fr;padding:35px 0 55px}.bt-form-layout h1{font-size:54px}.bt-form{padding:25px 20px}.bt-fields{grid-template-columns:1fr;gap:0}.bt-article{padding-top:30px}.bt-article h1{font-size:45px}.bt-article h2{font-size:33px}.bt-article section p,.bt-article li{font-size:15px}.bt-brand-gallery{grid-template-columns:1fr}.bt-filters{gap:7px}.bt-filter{padding:8px 11px;font-size:11px!important}}
.bt-band .bt-btn{background:var(--bt-paper);border-color:var(--bt-paper);color:var(--bt-plum)!important}.bt-band .bt-btn:hover{background:#eee7ec}.bt-shortlist.bt-btn{border:1px solid #ac96a7;padding:14px 23px}.bt-section-head h1{max-width:900px}
/* Revision: keep complete products inside image frames at every viewport. */
.bt-editorial{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;min-height:0}.bt-editorial-image{align-self:center;padding:22px;background:#ede8f1}.bt-editorial-image img{height:auto;aspect-ratio:auto;object-fit:contain;width:100%}.bt-editorial-copy{min-width:0}.bt-hero-visual>img[src*="brand-collection-v3"]{aspect-ratio:auto;object-fit:contain}.bt-category img[src*="heater-collection-v3"]{object-fit:contain;background:#f3efeb}.bt-product .bt-media img{object-fit:contain}.bt-catalog-menu{position:static}.bt-catalog-menu>summary{font-size:12px;cursor:pointer;padding:10px 0;list-style:none;white-space:nowrap}.bt-catalog-menu>summary:after{content:'⌄';margin-left:6px}.bt-catalog-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:min(880px,calc(100vw - 48px));max-height:75vh;overflow:auto;background:#fcfaf7;border:1px solid var(--bt-line);box-shadow:0 18px 35px #30263320;padding:25px;z-index:110}.bt-catalog-columns{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:30px}.bt-catalog-columns a{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:12px;border-bottom:1px solid #eee8eb}.bt-catalog-columns span{font-size:10px;color:var(--bt-muted)}.bt-catalog-columns .bt-catalog-category{font-weight:700;margin-bottom:10px}.bt-catalog-all{display:block;margin-bottom:17px;text-decoration:underline!important}.bt-catalog-tools{display:flex;align-items:end;gap:25px;justify-content:space-between;margin-bottom:22px}.bt-catalog-tools .bt-filters{margin:0}.bt-catalog-search{display:grid;gap:6px;font-size:12px;min-width:180px}.bt-catalog-search input,.bt-browse select{font:14px Arial;padding:11px;border:1px solid var(--bt-line);background:#fff;color:var(--bt-ink);max-width:100%}.bt-catalogue>.bt-kicker{margin-bottom:18px}.bt-empty{padding:35px 0}.bt-product-toolbar{padding-top:24px;padding-bottom:22px}.bt-browse{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font:13px/1.5 Arial;color:var(--bt-muted)}.bt-browse a{color:var(--bt-plum);text-decoration:underline}.bt-browse label{display:flex;align-items:center;gap:10px;margin-left:auto;min-width:0}.bt-product-toolbar .bt-actions{justify-content:space-between;margin-top:18px}.bt-full-product{--brand:var(--bt-plum);--brand-2:#39263a;--ink:var(--bt-ink);--ink-2:#625863;--ink-3:#746874;--paper:#fcfaf7;--sand:#f3ecef;--tint:#f4edf1;--brand-soft:#eee5ed}.bt-product-library .prodhero__in{align-items:start}.bt-product-library .prodhero__art{min-width:0;box-shadow:none;border-radius:0}.bt-product-library .prodhero__art .frame{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#f4f1ee}.bt-product-library .prodhero__art .frame img{width:100%;height:100%;object-fit:contain}.bt-product-library .pgallery .photo{object-fit:contain}.bt-product-library .prodhero h1{font-family:Instrument,Georgia,serif;font-size:clamp(36px,4vw,60px);line-height:1.07;letter-spacing:-.025em}.bt-product-library .prodhero__intro{font-size:15px;line-height:1.8}.bt-product-library .section{scroll-margin-top:110px}.bt-product-contents{margin:24px 0 5px;border:1px solid var(--bt-line);padding:18px 22px;background:#f5eff3}.bt-product-contents summary{cursor:pointer;font:15px/1.5 Arial;color:var(--bt-plum)}.bt-product-contents nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 25px;padding-top:17px}.bt-product-contents nav a{font:13px/1.5 Arial;text-decoration:underline;color:var(--bt-muted)}.bt-enquiry-card{border:1px solid var(--bt-line);background:#fff;padding:30px}.bt-enquiry-card h3{margin-top:0}.bt-enquiry-card .bt-btn{margin-top:18px}.bt-full-product .bt-section-head,.bt-full-product .bt-foot{font-family:Arial,sans-serif}.bt-full-product .bt-head nav .bt-catalog-dropdown a{color:var(--bt-ink)}
@media(max-width:1120px){.bt-nav{gap:15px}.bt-head-inner{gap:18px}.bt-editorial-copy{padding:35px 28px}.bt-editorial-copy h2{font-size:43px}}
@media(max-width:930px){.bt-catalog-menu{width:100%}.bt-catalog-menu>summary{font-size:23px;padding:15px 0;border-bottom:1px solid var(--bt-line)}.bt-catalog-dropdown{position:static;transform:none;width:100%;max-height:none;padding:18px 0;border:0;box-shadow:none}.bt-nav .bt-catalog-columns a{font-size:13px;padding:8px 0}.bt-nav .bt-catalog-all{font-size:15px}.bt-catalog-columns{grid-template-columns:1fr 1fr;gap:25px}.bt-catalog-tools{align-items:start;flex-direction:column}.bt-catalog-search{width:100%}.bt-product-library .prodhero__in{grid-template-columns:1fr}.bt-browse label{width:100%;margin-left:0}.bt-browse select{flex:1;min-width:0}}
@media(max-width:800px){.bt-editorial{grid-template-columns:1fr}.bt-editorial-image{padding:0}.bt-editorial-image img{max-height:540px;object-fit:contain}.bt-editorial-copy{padding:34px 28px}.bt-product-contents nav{grid-template-columns:1fr}}
@media(max-width:480px){.bt-catalog-columns{grid-template-columns:1fr}.bt-editorial-copy h2{font-size:40px}.bt-product-toolbar .bt-actions{gap:15px}.bt-product-library .prodhero h1{font-size:42px}.bt-product-library .prodhero__in{gap:26px}.bt-browse{gap:10px}.bt-hero h1{font-size:clamp(42px,13.5vw,58px)}}
.bt-product-library .a-up,.bt-product-library .a-fade{opacity:1!important;transform:none!important;animation:none!important}.bt-product-library .frame--duo{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.bt-product-library .frame--duo .frame__c{min-width:0;width:100%;height:auto;aspect-ratio:1}.bt-product-library .frame--duo .frame__c img{object-fit:contain}
.bt-product-library video{display:block;max-width:100%;height:auto}.bt-product-library .bt-source-table{max-width:100%;overflow-x:auto}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.bt-category img[src*="heater-collection-v3"]{object-fit:contain;background:#fcfaf7}
.bt-wax-hero .bt-hero-visual>img{aspect-ratio:1.15;object-fit:cover}
.bt-wax-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--bt-line);gap:36px}
.bt-wax-facts article{padding-top:25px}.bt-wax-facts article>span{font-size:10px;letter-spacing:.13em;color:var(--bt-muted)}.bt-wax-facts h3{margin:16px 0 12px}.bt-wax-facts p{font-size:14px}.bt-wax-facts a{display:inline-block;font-size:12px;color:var(--bt-plum);margin-top:18px;text-underline-offset:5px}
.bt-supply-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px}.bt-supply-cards article{border:1px solid var(--bt-line);background:#fff}.bt-supply-cards figure{margin:0;background:#eee9e6}.bt-supply-cards figure img{width:100%;aspect-ratio:1.6;object-fit:contain}.bt-supply-cards figcaption{padding:12px 22px;font:11px/1.5 Arial;color:var(--bt-muted);background:#f4eeec}.bt-supply-cards article>div{padding:30px}.bt-supply-cards h3{font-size:24px}.bt-supply-cards dl{margin:25px 0 28px}.bt-supply-cards dl div{padding:12px 0;border-bottom:1px solid var(--bt-line);display:grid;grid-template-columns:1fr 1.5fr;gap:18px;font:13px/1.65 Arial}.bt-supply-cards dt{color:var(--bt-muted)}.bt-supply-cards dd{margin:0}.bt-supply-cards .bt-btn{width:100%}
.bt-detail-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.bt-detail-links a{display:flex;flex-direction:column;text-decoration:none;padding:22px;border:1px solid var(--bt-line)}.bt-detail-links span{font:28px Instrument;color:var(--bt-gold);margin-bottom:20px}.bt-detail-links strong{font-size:16px;font-weight:500;margin-bottom:12px}.bt-detail-links small{font-size:12px;line-height:1.6;color:var(--bt-muted)}.bt-detail-links a:hover{background:#f1e9ee}
@media(max-width:930px){.bt-detail-links{grid-template-columns:1fr 1fr}.bt-supply-cards article>div{padding:23px}.bt-wax-facts{gap:23px}.bt-wax-facts h3{font-size:19px}}
@media(max-width:680px){.bt-wax-facts,.bt-supply-cards{grid-template-columns:1fr}.bt-wax-facts article{padding:22px 0;border-bottom:1px solid var(--bt-line)}.bt-wax-facts{gap:0}.bt-detail-links{gap:12px}.bt-detail-links a{padding:17px}.bt-detail-links strong{font-size:14px}.bt-supply-cards dl div{grid-template-columns:1fr 1.3fr}}

/* r4: direct category access remains visible on small screens. */
.bt-head .bt-mobile-categories{display:none}
.bt-nav a[aria-current=true]{color:var(--bt-plum);font-weight:600}
@media(min-width:931px){.bt-nav>.bt-catalog-menu{order:-1}}
@media(max-width:930px){
  .bt-head .bt-mobile-categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:calc(100% - 64px);margin:auto;padding:0 0 8px}
  .bt-head .bt-mobile-categories a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 5px;border:1px solid var(--bt-line);font:500 12px/1.3 Arial,sans-serif;text-align:center;text-decoration:none;color:var(--bt-ink)}
  .bt-head .bt-mobile-categories .bt-mobile-heaters{background:#f0e7eb;border-color:#cbbac5;color:var(--bt-plum);font-weight:700}
  .bt-head .bt-mobile-categories a[aria-current]{background:var(--bt-plum);border-color:var(--bt-plum);color:white}
  .bt-head .bt-menu-toggle,.bt-head .bt-head-cta{min-height:44px}
  html{scroll-padding-top:145px}
  .bt-product-library .section{scroll-margin-top:0}
  #product-gallery-stage{scroll-margin-top:145px}
}
@media(max-width:680px){.bt-head .bt-mobile-categories{width:calc(100% - 32px)}.bt-head .bt-mobile-categories a{font-size:11px}}
@media(max-width:370px){.bt-head .bt-brand small{display:none}.bt-head-inner{gap:8px}.bt-head .bt-head-cta{font-size:10px;padding:9px 8px}.bt-head .bt-menu-toggle{padding:9px}}

/* A consistent product frame, with legible descriptions in compact catalogues. */
.bt-product .bt-media{background:#f1eeeb}
.bt-product .bt-media img{padding:8px;object-fit:contain}
.bt-product .bt-media img[src*="pw5-real-front"]{padding:0}
@media(max-width:680px){.bt-product-body p{font-size:12px;line-height:1.7}.bt-product-body h3{font-size:17px}.bt-product-foot a,.bt-shortlist{font-size:11px!important}}