.shop-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.shop-card{background:#fff;border:1px solid #d8d8d8;border-radius:9px;overflow:hidden;min-width:0;display:flex;flex-direction:column;transition:border-color .25s,box-shadow .25s}.shop-card:hover,.shop-card:focus-within{border-color:#f00027;box-shadow:0 8px 22px #00000009}.shop-media{height:266px;position:relative;isolation:isolate;background:linear-gradient(#fff,#f9f9f9)}.shop-photo{display:block;width:100%;height:100%;padding:57px 30px 14px}.shop-photo>img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .35s}.shop-card:hover .shop-photo>img{transform:scale(1.03)}.shop-brand{position:absolute;top:14px;right:14px;width:112px;aspect-ratio:var(--ratio);max-height:40px;overflow:hidden;pointer-events:none}.shop-brand img{position:absolute;width:var(--image-width);max-width:none;height:auto;left:var(--image-left);top:var(--image-top)}.shop-spec-toggle{position:absolute;top:14px;left:13px;display:flex;align-items:center;gap:4px;background:#f1f1f1;border:0;border-radius:20px;padding:8px 10px;font:600 10px 'DM Sans',sans-serif;cursor:pointer;color:#333;z-index:3}.shop-spec-toggle svg{width:13px;height:13px}.shop-specs{position:absolute;inset:57px 13px 14px;z-index:2;background:#fff;border:1px solid #f00027;border-radius:8px;padding:13px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;box-shadow:0 8px 20px #0002;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .25s,transform .3s,visibility .3s;pointer-events:none}.shop-specs>div{min-width:0;border-bottom:1px solid #e6e6e6;padding-bottom:5px}.shop-specs dt{font-size:10px;line-height:1.5;color:#666}.shop-specs dd{font-size:13px;font-weight:650;line-height:1.35;margin:5px 0 0}.shop-card.is-spec-open .shop-specs,.shop-media:focus-within .shop-specs{opacity:1;visibility:visible;transform:none}.shop-card.is-spec-closed .shop-specs{opacity:0;visibility:hidden}.shop-spec-toggle:focus-visible,.shop-purchase button:focus-visible{outline:2px solid #111;outline-offset:3px}@media(hover:hover){.shop-media:hover .shop-specs{opacity:1;visibility:visible;transform:none}.shop-card.is-spec-closed .shop-media:hover .shop-specs{opacity:0;visibility:hidden}}
.shop-card-body{border-top:1px solid #e0e0e0;padding:17px 14px 15px;display:flex;flex-direction:column;flex:1;gap:23px}.shop-card-body h3,.tc-page .shop-card-body h3{font-size:16px;line-height:1.4;letter-spacing:-.02em;margin:0;min-height:67px}.shop-card-body h3 a{color:#151515;text-decoration:none}.shop-card-body h3 a:hover{text-decoration:underline}.shop-purchase{display:flex;margin-top:auto;background:#f00027;border-radius:23px;overflow:hidden;color:white;min-height:45px}.shop-purchase button{border:0;background:transparent;color:inherit;display:flex;align-items:center;gap:7px;padding:11px 10px;cursor:pointer;font:700 12px 'DM Sans',sans-serif}.shop-purchase button:first-child{flex:1;min-width:0}.shop-purchase button:last-child{border-left:1px solid #ffffff50;flex:none}.shop-purchase button:hover{background:#c80022}.shop-purchase strong{font-size:14px;margin-left:auto;white-space:nowrap;border-left:1px solid #ffffff55;padding-left:8px}.shop-purchase svg{width:17px;height:17px;flex-shrink:0}.shop-purchase button:disabled{opacity:.6;cursor:wait}.shop-directory,.shop-detail,.shop-cart-page{padding-block:35px}.shop-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.shop-heading h1,.shop-detail h1,.shop-cart-page h1{font-size:clamp(32px,4vw,55px);line-height:1.08;letter-spacing:-.045em;margin:10px 0 18px}.shop-heading p{max-width:60ch}.shop-filters{display:flex;flex-wrap:wrap;align-items:end;gap:18px;margin-bottom:25px;padding:17px;background:#ededed;border-radius:9px}.shop-filters label{font-size:12px;font-weight:600;display:grid;gap:7px;flex:1;min-width:180px}.shop-filters input,.shop-filters select{width:100%;min-height:43px;border:1px solid #cecece;border-radius:6px;background:#fff;padding:10px;font:inherit;font-size:14px}.shop-filters>span{padding-bottom:13px;font-size:13px}.shop-card[hidden]{display:none}.shop-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;margin-bottom:24px}.shop-detail-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:45px;align-items:center}.shop-detail-hero figure{margin:0;background:#f5f5f5;mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}.shop-detail-hero figure>img{width:100%;height:460px;object-fit:contain;mix-blend-mode:multiply}.shop-detail .shop-detail-price{font-size:32px;font-weight:700;margin:20px 0}.shop-detail-buy{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:20px}.shop-text-button{border:0;border-bottom:1px solid;background:none;font:600 14px inherit;cursor:pointer;padding:8px}.shop-detail-specs{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:23px}.shop-detail-specs>div{border-top:1px solid #ddd;padding-top:10px}.shop-detail-specs dt{font-size:12px;color:#666}.shop-detail-specs dd{margin:8px 0 0;font-weight:600}.shop-related{margin-top:38px}.shop-related h2{font-size:28px}.shop-cart-dialog{border:0;border-radius:12px;padding:25px;width:min(580px,calc(100% - 24px));max-height:85dvh;color:#151515;box-shadow:0 15px 70px #0005}.shop-cart-dialog::backdrop{background:#0008;backdrop-filter:blur(3px)}.shop-cart-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.shop-cart-head h2{font-size:25px;margin:0}.shop-cart-head button{width:40px;height:40px;border:1px solid #ddd;border-radius:50%;background:white;cursor:pointer}.shop-cart-head svg{width:20px;height:20px}.shop-cart-line{display:grid;grid-template-columns:55px minmax(0,1fr) auto;gap:13px;align-items:center;border-top:1px solid #ddd;padding:15px 0}.shop-cart-line img{width:55px;height:75px;object-fit:contain}.shop-cart-line h3{font-size:14px;margin:0 0 5px}.shop-cart-line p{font-size:13px;margin:0 0 7px}.shop-cart-line button{background:none;border:0;color:#c00020;text-decoration:underline;padding:5px 0;cursor:pointer}.shop-cart-total{display:flex;justify-content:space-between;border-top:2px solid #111;padding:18px 0;font-size:20px;font-weight:700}.shop-checkout-notice{font-size:13px!important;line-height:1.55;color:#555;background:#f3f3f3;padding:13px;border-radius:6px}.shop-toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);z-index:10000;background:#151515;color:#fff;padding:13px 23px;border-radius:8px;font-size:14px;max-width:calc(100% - 30px);box-shadow:0 4px 22px #0003}.shop-catalog-tools{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:20px}.shop-catalog-tools a,.shop-catalog-tools button{font-size:14px;font-weight:600}.shop-catalog-tools button{background:none;border:1px solid #ccc;border-radius:8px;padding:11px;cursor:pointer}.shop-top-link{white-space:nowrap}.shop-cart-page{max-width:900px}
@media(max-width:1050px){.shop-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shop-card-body h3,.tc-page .shop-card-body h3{min-height:45px}.shop-brand{width:120px}}
@media(max-width:700px){.shop-heading{align-items:start;flex-direction:column}.shop-directory,.shop-detail,.shop-cart-page{padding-block:24px}.shop-detail-hero{grid-template-columns:minmax(0,1fr);gap:20px}.shop-detail-hero figure>img{height:280px}.shop-detail-specs{font-size:14px}.shop-catalog-tools{align-items:start;gap:12px;flex-wrap:wrap}.shop-media{height:263px}.shop-catalog-teaser .shop-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}.shop-catalog-teaser .shop-card{flex-basis:min(82vw,340px);flex-shrink:0;scroll-snap-align:start}.shop-cart-dialog{padding:18px}.shop-related .shop-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.shop-directory .shop-grid,.shop-related .shop-grid{grid-template-columns:minmax(0,1fr)}.shop-directory .shop-media{height:290px}.shop-card-body h3,.tc-page .shop-card-body h3{min-height:0}.shop-card-body{gap:20px}.shop-specs dt{font-size:12px}.shop-specs dd{font-size:15px}.shop-cart-line{grid-template-columns:40px minmax(0,1fr);gap:10px}.shop-cart-line>strong{grid-column:2}.shop-cart-line img{width:40px}}
@media(prefers-reduced-motion:reduce){.shop-card,.shop-photo>img,.shop-specs{transition:none}.shop-card:hover .shop-photo>img{transform:none}}
.shop-brand{width:min(108px,calc(var(--ratio)*34px));max-height:none}.shop-media .shop-brand img{max-width:none}.shop-catalog-tools button svg{width:18px;height:18px;vertical-align:middle;margin-right:6px}
.shop-quantity{display:flex;gap:9px;align-items:center;font-size:12px;margin:7px 0}.shop-quantity input{width:64px;min-height:35px;border:1px solid #ccc;border-radius:5px;padding:5px;font:inherit}.shop-cart-line .shop-quantity input:focus-visible{outline:2px solid #f00027;outline-offset:2px}
.brand-rail-section{padding-block:28px}.brand-rail-section>header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.brand-rail-section h2{font-size:clamp(1.6rem,2.5vw,2.3rem);margin:8px 0}.brand-rail-track{display:flex;gap:16px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none;padding:4px 2px 14px}.brand-rail-track::-webkit-scrollbar{display:none}.brand-mini-card{flex:0 0 268px;min-width:0;border:1px solid #dce1e6;border-radius:12px;padding:14px;background:#fff;display:flex;flex-direction:column;color:#15191e}.brand-mini-photo{display:block;position:relative;height:160px;color:inherit}.brand-mini-photo>img:first-child{width:100%;height:160px;object-fit:contain}.brand-mini-photo .brand-mini-logo{position:absolute;top:0;right:0;width:82px;height:27px;object-fit:contain;background:white}.brand-mini-card h3{font-size:.98rem;line-height:1.4;margin:12px 0;min-height:2.8em}.brand-mini-card h3 a{color:inherit;text-decoration:none}.brand-mini-facts,.brand-mini-overlay{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.brand-mini-facts{margin-bottom:14px}.brand-mini-card dt{font-size:.69rem;line-height:1.3;color:#53606b}.brand-mini-card dd{font-size:.82rem;line-height:1.35;font-weight:750;margin:5px 0 0}.brand-mini-overlay{position:absolute;inset:0;background:#fff;padding:10px;border-radius:8px;align-content:center;opacity:0;visibility:hidden;pointer-events:none;border:1px solid #e3e7eb}.brand-mini-photo:hover .brand-mini-overlay,.brand-mini-photo:focus-visible .brand-mini-overlay{opacity:1;visibility:visible}.brand-mini-buy{display:flex;align-items:center;gap:7px;width:100%;margin-top:auto;background:#ed0029;color:white;padding:12px;border:0;border-radius:8px;font:inherit;font-size:.86rem;font-weight:700;cursor:pointer}.brand-mini-buy strong{margin-left:auto}.brand-mini-buy svg{width:18px;height:18px}.brand-rail-pause{background:transparent;border:1px solid #d2d8df;border-radius:7px;padding:10px;font:inherit;font-size:.8rem;cursor:pointer}.brand-rail-more{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-weight:700}.brand-rail-more svg{width:18px}.brand-rail-empty{padding-block:25px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-block:1px solid #dce1e6}.brand-rail-empty h2{font-size:1.5rem;margin:0 0 10px}.brand-rail-empty p{margin:0;line-height:1.6}.brand-rail-empty .rc-button{flex:none}.brand-rail-section :focus-visible{outline:3px solid #ed0029;outline-offset:3px}@media(max-width:700px){.brand-rail-empty{flex-direction:column;align-items:start}.brand-mini-card{flex-basis:252px}.brand-rail-section>header{align-items:start}.brand-rail-pause{max-width:100px}}@media(hover:none){.brand-mini-photo{height:auto}.brand-mini-overlay{position:static;opacity:1;visibility:visible;border:0;padding:8px 0;pointer-events:auto}.brand-mini-facts{display:none}.brand-mini-photo>img:first-child{height:135px}}@media(prefers-reduced-motion:no-preference){.brand-mini-overlay{transition:opacity .2s,visibility .2s}}
/* Rising technical panel: same image area, no disclosure button. */
.brand-mini-photo{height:210px;overflow:hidden;border-radius:8px}
.brand-mini-photo>img:first-child{height:210px;transition:transform .35s}
.brand-mini-overlay{position:absolute;inset:auto 0 0;min-height:150px;background:rgba(255,255,255,.98);border:1px solid #dce1e6;border-top:2px solid #ed0029;box-shadow:0 8px 22px #16233220;padding:13px;opacity:0;visibility:hidden;transform:translateY(105%);transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .25s,visibility .35s;pointer-events:none}
.brand-mini-card:hover .brand-mini-overlay,.brand-mini-card:focus-within .brand-mini-overlay{opacity:1;visibility:visible;transform:translateY(0)}
.brand-mini-card:hover .brand-mini-photo>img:first-child{transform:scale(1.03)}
.brand-mini-overlay div{min-width:0}.brand-mini-overlay dd{overflow-wrap:anywhere}
.brand-mini-facts{display:grid}.brand-mini-buy{border-radius:999px}
.brand-rail-track{cursor:grab;touch-action:pan-x pan-y;user-select:none;scroll-behavior:auto}
.brand-rail-track.is-dragging,.brand-rail-track.is-dragging *{cursor:grabbing!important}.brand-rail-track img{-webkit-user-drag:none}
@media(max-width:700px){.brand-mini-photo{height:auto;overflow:visible}.brand-mini-photo>img:first-child{height:145px}.brand-mini-overlay{position:static;transform:none;opacity:1;visibility:visible;min-height:0;box-shadow:none;padding:10px 0;border:0;background:white}.brand-mini-facts{display:none}}
@media(prefers-reduced-motion:reduce){.brand-mini-overlay,.brand-mini-photo>img:first-child{transition:none;transform:none}}
/* Transparent, full-colour logos occupy a dedicated row, never the boiler photo. */
.brand-mini-brand{height:38px;flex:0 0 38px;display:flex;align-items:center;justify-content:flex-end;margin-bottom:7px}
.brand-mini-brand .brand-mini-logo{position:static;display:block;width:auto;max-width:132px;height:36px;object-fit:contain;background:transparent;filter:none;opacity:1;mix-blend-mode:normal}
.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{width:132px;height:38px}
.brand-mini-photo,.brand-mini-photo>img:first-child{height:180px}
@media(max-width:700px){.brand-mini-photo{height:auto}.brand-mini-photo>img:first-child{height:145px}}
/* Tight product composition: larger appliance, logo immediately above it. */
.brand-mini-brand{height:28px;flex-basis:28px;margin-bottom:0}
.brand-mini-brand .brand-mini-logo,.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{height:28px;max-width:126px;width:auto}
.brand-mini-photo{height:240px;border-radius:4px}
.brand-mini-photo>img:first-child{width:100%;height:240px;object-fit:contain;object-position:center top}
.brand-mini-card h3{margin-top:8px}
@media(max-width:700px){.brand-mini-photo{height:auto}.brand-mini-photo>img:first-child{height:225px}.brand-mini-overlay{margin-top:4px}}
.brand-mini-brand{height:34px;flex-basis:34px;position:relative;z-index:1;pointer-events:none}.brand-mini-brand .brand-mini-logo,.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{width:126px;height:40px;max-width:126px}.brand-mini-photo{margin-top:-10px}
/* Overlay logo on the product image: no dedicated vertical row. */
.brand-mini-card{position:relative}
.brand-mini-brand{position:absolute;top:14px;right:14px;height:34px;width:126px;margin:0;z-index:2;pointer-events:none}
.brand-mini-brand .brand-mini-logo,.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{width:126px;height:40px;background:transparent}
.brand-mini-photo{margin-top:0}
/* Quiet brand signature, integrated into the photograph's upper margin. */
.brand-mini-brand{top:10px;right:12px;width:104px;height:30px;justify-content:flex-end}
.brand-mini-brand .brand-mini-logo,.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{width:104px;max-width:104px;height:30px;object-fit:contain;background:transparent;filter:none;opacity:1;mix-blend-mode:multiply}
.brand-mini-photo>img:first-child{mix-blend-mode:multiply}
.brand-mini-brand{transition:opacity .22s ease}
.brand-mini-card:hover .brand-mini-brand,.brand-mini-card:focus-within .brand-mini-brand{opacity:.7}
@media(prefers-reduced-motion:reduce){.brand-mini-brand{transition:none}}
.brand-mini-brand{width:166px;height:46px;top:8px;right:10px}.brand-mini-brand .brand-mini-logo,.brand-mini-brand .brand-mini-logo[alt="Saunier Duval"]{width:166px;max-width:166px;height:46px}
.brand-mini-brand{top:0;right:10px}
.brand-mini-card h3{font-size:.95rem;line-height:1.35;letter-spacing:-.015em;min-height:2.7em;margin:8px 0 14px;font-weight:650;text-wrap:pretty}
/* A concise service close with actionable routes. */
.sd-page .sd-next{margin-block:12px 30px;border:1px solid #e0e4e8;border-radius:16px;overflow:hidden;padding:0}
.sd-next-call{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;padding:28px 30px;background:#111;color:#fff;align-items:center}
.sd-page .sd-next h2{font-size:clamp(1.55rem,2.4vw,2.15rem);line-height:1.15;margin:8px 0 12px}
.sd-next-call p{margin:0;line-height:1.6;font-size:.98rem;max-width:650px;color:#e0e4e8}
.sd-next-call .rc-kicker{color:#ff4563;font-size:.76rem}
.sd-next-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.sd-next-action p{font-size:.78rem;line-height:1.5}
.sd-next-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;background:#fff}
.sd-next-options a{display:flex;align-items:center;gap:12px;padding:22px;color:#17191d;text-decoration:none;min-width:0;border-right:1px solid #e0e4e8;transition:background .2s}
.sd-next-options a:last-child{border:0}.sd-next-options a:hover{background:#fff2f5}.sd-next-options svg{width:22px;height:22px;flex-shrink:0;color:#ed0029}.sd-next-options svg:last-child{width:16px;margin-left:auto}
.sd-next-options strong{display:block;font-size:.95rem}.sd-next-options small{display:block;margin-top:5px;font-size:.78rem;line-height:1.45;color:#59636e}
@media(max-width:760px){.sd-next-call{grid-template-columns:1fr;padding:24px;gap:20px}.sd-next-options{grid-template-columns:1fr}.sd-next-options a{border-right:0;border-bottom:1px solid #e0e4e8;padding:18px 24px}}
@media(prefers-reduced-motion:reduce){.sd-next-options a{transition:none}}
.sd-page .sd-next .sd-next-call .rc-kicker{color:#ff8fa2}
/* The catalogue reuses the approved brand card; never expand it to half-page width. */
.shop-grid:has(>.brand-mini-card){grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;align-items:stretch}
.shop-grid>.brand-mini-card{width:100%;max-width:310px;justify-self:center;box-sizing:border-box}
.brand-mini-card[hidden]{display:none!important}
.shop-grid>.brand-mini-card:focus-within{outline:2px solid #ed0029;outline-offset:3px}
@media(max-width:540px){.shop-grid:has(>.brand-mini-card){grid-template-columns:minmax(0,1fr)}.shop-grid>.brand-mini-card{max-width:310px}}
/* Equal optical weight, alpha-bound cropping, native aspect ratios. Ferroli reference. */
.brand-mini-card .brand-mini-brand{position:absolute;top:0;right:10px;width:166px;height:46px;display:flex;align-items:center;justify-content:center;pointer-events:none}
.brand-logo-crop{display:block;position:relative;overflow:hidden;width:var(--logo-width);height:var(--logo-height);flex:none}
.brand-mini-card .brand-mini-brand .brand-logo-crop .brand-mini-logo{position:absolute;left:var(--logo-left);top:var(--logo-top);width:var(--logo-imageWidth);height:var(--logo-imageHeight);max-width:none;object-fit:fill;margin:0;padding:0;background:transparent;filter:none;mix-blend-mode:multiply}