/* HPT only — inherits the approved HISA type, colour and gutter tokens. */
.hpt-page{background:var(--cloud);color:var(--ink)}
.hpt-page [hidden]{display:none!important}
.hpt-page section,.hpt-page [id]{scroll-margin-top:110px}
.hpt-gutter,.hpt-section{padding-inline:var(--mx)}
.hpt-section{padding-block:64px;border-top:1px solid var(--line)}
.hpt-page h2{font-size:clamp(32px,4vw,56px);font-weight:800;letter-spacing:-.04em;line-height:1}
.hpt-page h3{font-size:21px;line-height:1.15}
.hpt-page p{max-width:55ch}
.hpt-kicker,.hpt-mono{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.08em}
.hpt-kicker{display:block;text-transform:uppercase}
.hpt-section>div>.hpt-kicker,.hpt-section-heading>div>.hpt-kicker,.hpt-hero-copy>.hpt-kicker{color:var(--ember);margin-bottom:22px}
.hpt-lead{font-size:clamp(17px,1.65vw,22px);line-height:1.5}
.hpt-note{font-size:13px;line-height:1.6;color:var(--steel)}
.hpt-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hpt-button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:52px;padding:15px 22px;background:var(--ink);color:var(--cloud);font-size:14px;font-weight:600}
.hpt-button:hover{background:var(--ember)}
.hpt-link{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px;border-bottom:1px solid currentColor;font-size:14px;font-weight:600}
.hpt-link:hover{color:var(--ember)}
.hpt-hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:4vw;padding-block:52px 44px;min-height:700px;background:var(--paper)}
.hpt-hero h1{font-size:clamp(52px,6.2vw,88px);line-height:.98;letter-spacing:-.055em;font-weight:900;margin:0 0 28px}
.hpt-hero h1 span{display:block}
.hpt-hero-copy>.hpt-lead{max-width:36ch}
.hpt-capacities{font-family:var(--mono);font-size:22px;margin-block:26px 34px}
.hpt-capacities span{font-size:14px;margin-left:2px}
.hpt-capacities i{font-style:normal;color:var(--ember);padding-inline:10px}
.hpt-hero-image{margin:0;justify-self:center;max-width:390px;width:100%}
.hpt-hero-image img{width:100%;height:auto;aspect-ratio:2/3;object-fit:contain}
.hpt-hero-image figcaption{font-size:9px;color:var(--steel);margin-top:12px}
.hpt-intro{display:grid;grid-template-columns:1fr 1fr;gap:7vw;background:var(--cloud)}
.hpt-benefits{list-style:none}
.hpt-benefits li{display:grid;grid-template-columns:24px 1fr;gap:18px;padding-block:16px;border-top:1px solid var(--line)}
.hpt-benefits li:first-child{padding-top:0;border-top:0}
.hpt-benefits .hpt-kicker{color:var(--ember);padding-top:3px}
.hpt-benefits h3{font-size:17px;margin-bottom:5px}
.hpt-benefits p{font-size:14px;color:var(--steel);line-height:1.5}
.hpt-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-bottom:34px}
.hpt-section-heading>p{font-size:15px;line-height:1.6;max-width:36ch;color:var(--steel)}
.hpt-model-selector{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--ink)}
.hpt-model-selector button{padding:23px 25px 20px;text-align:left;border-right:1px solid var(--line);min-height:120px;transition:background .15s,color .15s}
.hpt-model-selector button:last-child{border-right:0}
.hpt-model-selector button>span:first-child{display:block;font-size:clamp(36px,4.2vw,60px);font-weight:700;line-height:1;letter-spacing:-.045em;margin-bottom:14px}
.hpt-model-selector small{font-family:var(--mono);font-weight:400;font-size:18px;padding-left:6px}
.hpt-model-selector .hpt-kicker{display:flex;justify-content:space-between;gap:8px;letter-spacing:.02em}
.hpt-model-selector button:hover{background:var(--mist)}
.hpt-model-selector button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.hpt-selection-status{min-height:17px;margin:14px 0 27px;color:var(--steel)}
.hpt-technical>h3{margin-bottom:20px;font-size:23px}
.hpt-comparison table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:13px}
.hpt-comparison caption{text-align:left;font-family:var(--mono);font-size:11px;color:var(--steel);padding-bottom:12px}
.hpt-comparison th,.hpt-comparison td{text-align:left;padding:10px 15px;vertical-align:top;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.hpt-comparison thead th{background:var(--paper);font-family:var(--mono);font-weight:500;font-size:12px;padding-block:15px;border-top:1px solid var(--ink)}
.hpt-comparison tbody th{font-weight:500;width:28%}
.hpt-comparison th:first-child{width:28%;padding-left:0}
.hpt-comparison [data-hpt-column].is-selected{background:var(--paper)}
.hpt-mobile-specs{display:none}
.hpt-spec-list>div{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-block:12px;border-bottom:1px solid var(--line);font-size:14px}
.hpt-spec-list dt{color:var(--steel)}
.hpt-spec-list dd{margin:0;overflow-wrap:anywhere}
.hpt-dimensions{background:var(--paper)}
.hpt-drawing-model{display:grid;grid-template-columns:1fr 1fr;gap:7vw;padding-top:12px}
.hpt-drawing-model+.hpt-drawing-model{border-top:1px solid var(--line);margin-top:32px;padding-top:32px}
.hpt-drawing-preview{display:flex;align-items:center;justify-content:center;gap:28px}
.hpt-drawing-preview img{width:auto;max-width:64%;max-height:270px;object-fit:contain}
.hpt-expand{flex-shrink:0;font-size:12px}
.hpt-drawing-info{padding-top:8px}
.hpt-drawing-info h3{margin-bottom:16px}
.hpt-connections{border-block:1px solid var(--line);margin-top:24px}
.hpt-connections summary{padding-block:16px;cursor:pointer;font-size:14px;font-weight:600}
.hpt-connections summary .hpt-mono{float:right;margin-left:10px}
.hpt-connections p{margin-bottom:14px}
.hpt-connections ol{padding-left:24px;margin-bottom:18px}
.hpt-connections li{padding:8px 0 8px 8px;font-size:12px;border-bottom:1px solid var(--line)}
.hpt-connections li::marker{font-family:var(--mono);font-size:10px;color:var(--steel)}
.hpt-connection-size{float:right;margin-left:12px;font-family:var(--mono)}
.hpt-connection-size small{font-family:var(--sans);color:var(--steel)}
.hpt-certification{display:grid;grid-template-columns:1fr 1fr;gap:7vw}
.hpt-cert-record img{width:151px;height:auto;margin-bottom:20px}
.hpt-cert-record>p{font-size:14px;color:var(--steel);line-height:1.6}
.hpt-cert-record dl{margin-top:20px}
.hpt-cert-record dl>div{display:grid;grid-template-columns:130px 1fr;gap:16px;font-size:12px;padding-top:8px}
.hpt-cert-record dt{color:var(--steel)}
.hpt-cert-record dd{margin:0;font-family:var(--mono);font-size:11px}
.hpt-ecosystem{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:46px}
.hpt-ecosystem h2{font-size:clamp(26px,3vw,40px)}
.hpt-ecosystem p:not(.hpt-kicker){color:var(--steel);font-size:15px;margin-top:15px}
.hpt-ecosystem .hpt-link{flex-shrink:0}
.hpt-final{display:grid;grid-template-columns:1.35fr 1fr;gap:9vw;background:var(--ink);color:var(--paper);padding-block:65px}
.hpt-final .hpt-lead{margin-block:22px 28px;font-size:18px}
.hpt-final .hpt-button{background:var(--paper);color:var(--ink)}
.hpt-final .hpt-button:hover{background:var(--ember);color:var(--cloud)}
.hpt-final .hpt-kicker{color:var(--paper)!important;opacity:.65}
.hpt-contact{align-self:end;border-top:1px solid rgba(243,241,234,.25);padding-top:25px}
.hpt-contact h3{margin-bottom:15px}
.hpt-contact p{font-size:14px;line-height:1.6;margin-bottom:20px;opacity:.75}
.hpt-contact a{display:block;text-decoration:underline;text-underline-offset:5px;font-size:16px;width:fit-content;min-height:40px;overflow-wrap:anywhere}
/* Native modal: source bitmap only. Sized by JS for fit/zoom; no drawing reconstruction. */
.hpt-drawing-dialog{margin:auto;width:min(1000px,94vw);height:min(820px,92dvh);max-height:92dvh;padding:0;border:0;background:var(--cloud);color:var(--ink);overflow:hidden}
.hpt-drawing-dialog:not([open]){display:none}
.hpt-drawing-dialog[open]{display:flex;flex-direction:column}
.hpt-drawing-dialog::backdrop{background:rgba(14,15,17,.8)}
.hpt-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 24px;border-bottom:1px solid var(--line)}
.hpt-dialog-header h2{font-size:19px}
.hpt-dialog-header button{min-height:44px;font-size:14px;white-space:nowrap}
.hpt-zoom-tools{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 20px;border-bottom:1px solid var(--line)}
.hpt-zoom-tools button{min-width:44px;min-height:44px;border:1px solid var(--line);padding:8px;font-family:var(--mono)}
.hpt-zoom-tools button:hover{background:var(--mist)}
.hpt-zoom-tools button:disabled{opacity:.35;cursor:default}
.hpt-zoom-tools output{font-family:var(--mono);font-size:12px;min-width:58px;text-align:center}
.hpt-drawing-viewport{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;background:var(--mist);touch-action:none;cursor:grab}
.hpt-drawing-viewport.is-dragging{cursor:grabbing}
.hpt-drawing-stage{min-width:100%;min-height:100%;display:grid;place-items:center;width:max-content;padding:20px}
.hpt-drawing-stage img{max-width:none;max-height:none;user-select:none;pointer-events:none}
.hpt-dialog-notes{padding:12px 24px;border-top:1px solid var(--line)}
.hpt-dialog-notes p{max-width:none;font-size:11px;color:var(--steel);line-height:1.5}
.hpt-dialog-notes p+p{margin-top:5px}
@media(min-width:1600px){.hpt-gutter,.hpt-section{padding-inline:max(var(--mx),calc((100vw - 1340px)/2))}}
@media(max-width:1000px){.hpt-hero{min-height:600px}.hpt-hero h1{font-size:clamp(44px,6vw,64px)}.hpt-hero-image{max-width:330px}.hpt-drawing-preview{flex-direction:column;gap:10px}.hpt-drawing-preview img{max-width:100%}.hpt-ecosystem{align-items:flex-start;flex-direction:column}.hpt-connection-size{float:none;display:block;margin:4px 0 0}.hpt-final{gap:40px}}
@media(max-width:760px){
 .hpt-section{padding-block:44px}.hpt-page h2{font-size:clamp(32px,8vw,48px)}
 .hpt-hero{grid-template-columns:1fr;gap:35px;padding-top:42px;padding-bottom:30px;min-height:0}
 .hpt-hero h1{font-size:clamp(46px,10vw,75px);max-width:12ch}.hpt-hero-copy>.hpt-lead{max-width:42ch}
 .hpt-hero-image{max-width:340px;width:85%}.hpt-hero-image figcaption{font-size:8px}.hpt-capacities{margin-block:24px}
 .hpt-actions{gap:18px}.hpt-button{gap:20px;padding-inline:18px}.hpt-link{gap:16px}
 .hpt-intro,.hpt-certification,.hpt-final{grid-template-columns:1fr;gap:30px}
 .hpt-intro h2{max-width:17ch}.hpt-benefits li{padding-block:16px}.hpt-benefits li:first-child{padding-top:16px;border-top:1px solid var(--line)}
 .hpt-section-heading{align-items:flex-start;flex-direction:column;gap:20px;margin-bottom:25px}.hpt-section-heading>p{max-width:48ch}
 .hpt-model-selector button{padding:18px 12px;min-height:110px}.hpt-model-selector button>span:first-child{font-size:38px}.hpt-model-selector small{font-size:14px}.hpt-model-selector .hpt-kicker{font-size:8px}.hpt-model-selector .hpt-kicker>span{display:none}
 .hpt-comparison{display:none}.hpt-mobile-specs{display:block}.hpt-mobile-model h4{font-family:var(--mono);font-size:13px;font-weight:500;padding-block:12px;border-block:1px solid var(--ink)}
 .hpt-mobile-model+.hpt-mobile-model{margin-top:28px}.hpt-model-status{margin-bottom:22px}
 .hpt-drawing-model{grid-template-columns:1fr;gap:20px}.hpt-drawing-preview{flex-direction:row;gap:25px}.hpt-drawing-preview img{max-width:62%;max-height:280px}.hpt-drawing-info{padding-top:0}.hpt-drawing-info h3{margin-bottom:12px}
 .hpt-cert-record dl>div{grid-template-columns:100px 1fr}.hpt-cert-record dd{font-size:10px}.hpt-ecosystem h2{font-size:30px}
 .hpt-final{padding-block:48px}.hpt-final h2{font-size:46px}.hpt-contact{margin-top:10px}
 .hpt-dialog-header{padding:8px 16px}.hpt-dialog-header h2{font-size:15px}.hpt-dialog-header button{font-size:12px}.hpt-dialog-notes{padding:10px 16px}.hpt-dialog-notes p{font-size:10px}
}
@media(prefers-reduced-motion:reduce){.hpt-page *{transition:none!important}}
@media print{.hpt-model-selector,.hpt-expand,.hpt-drawing-dialog{display:none!important}.hpt-page .hpt-model-panel[hidden]{display:block!important}.hpt-mobile-specs{display:none}.hpt-comparison{display:block}.hpt-section{break-inside:avoid;padding-block:24px}.hpt-final{background:white;color:black}}

/* Page-local header clearance and precise technical accents. */
.hpt-hero{padding-top:135px}
.hpt-hero-image img{mix-blend-mode:multiply}
.hpt-section>div>.hpt-kicker,.hpt-section-heading>div>.hpt-kicker,.hpt-hero-copy>.hpt-kicker,.hpt-benefits .hpt-kicker{color:#944326}
.hpt-model-code{display:block;font-size:10px;font-weight:400;margin-top:5px}
.hpt-positioning{font-size:17px;line-height:1.65;max-width:34ch!important;margin-top:26px;color:var(--steel)}
.page-hot-water .footer__grid h2{color:#d68a68}.page-hot-water .footer__bottom{color:#aaa9a4}.page-hot-water .footer__bottom a{color:inherit}
@media(max-width:760px){.hpt-hero{padding-top:118px}.hpt-hero-image{max-width:285px}.hpt-positioning{font-size:16px}.hpt-model-selector .hpt-kicker{font-size:10px}.hpt-cert-record dd{font-size:12px}.hpt-spec-list>div{grid-template-columns:1fr;gap:6px}}

.hpt-inline-choices{display:flex;gap:8px;margin-bottom:24px}.hpt-inline-choices button{min-width:78px;min-height:46px;border:1px solid var(--steel);font:500 13px var(--mono);padding:10px 16px}.hpt-inline-choices button[aria-pressed=true]{background:var(--ink);color:var(--paper)}

.hpt-warranty-callout{display:flex;align-items:center;gap:18px;margin:-10px 0 28px;border-left:2px solid var(--ember);padding-left:16px}
.hpt-warranty-callout strong{font:800 36px/1 var(--sans);letter-spacing:-.04em;white-space:nowrap}.hpt-warranty-callout strong span{font:500 12px var(--mono);letter-spacing:.04em}
.hpt-warranty-callout>span{font:500 11px/1.5 var(--mono);max-width:16ch;letter-spacing:.06em}
.hpt-warranty-support{border-top:1px solid var(--ink);padding:22px 0 30px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.hpt-warranty-support .hpt-kicker{color:#944326;margin-bottom:14px}.hpt-warranty-support h3{font-size:27px;margin-bottom:14px}.hpt-warranty-support p:not(.hpt-kicker){font-size:16px;line-height:1.65}.hpt-warranty-support small{display:block;margin-top:12px;font-size:12px;color:var(--steel)}
.hpt-source-connection-note{display:block;clear:both;color:var(--steel);font-size:11px;padding-top:4px}
.hpt-port-note{border-left:2px solid var(--ember);padding:8px 12px;margin-block:14px!important}
.hpt-drawing-preview img{max-height:420px;max-width:75%}
@media(max-width:760px){.hpt-warranty-callout{margin-top:0}.hpt-drawing-preview{flex-direction:column;gap:18px}.hpt-drawing-preview img{max-width:100%;max-height:460px}}