:root{--bg:#EDF2EF;--card:#fff;--ink:#0F2A2E;--mute:#5A6E70;--line:#D5DEDA;--sun:#FFB400;--sun-s:#FFF1C7;--blue:#2748B5;--good:#0B8760;--coral:#D4472A;
--d:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;--b:'Figtree','Segoe UI',system-ui,sans-serif;
padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);box-sizing:border-box}
:root[data-theme="dark"]{--bg:#0B1A1D;--card:#12272B;--ink:#EAF2EF;--mute:#93A8A9;--line:#24403F;--sun-s:#3A2F0B;--blue:#8EA7FF;--good:#3DD6A0;--coral:#FF8A6B}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0B1A1D;--card:#12272B;--ink:#EAF2EF;--mute:#93A8A9;--line:#24403F;--sun-s:#3A2F0B;--blue:#8EA7FF;--good:#3DD6A0;--coral:#FF8A6B}}
*{box-sizing:border-box}html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--b);font-variant-numeric:tabular-nums}
button,input,select{font:inherit;color:inherit}button{cursor:pointer}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header .wrap{display:flex;align-items:center;gap:16px;height:64px}
.equipment-navigation{display:flex;gap:4px;align-items:center}.equipment-navigation a{color:var(--mute);text-decoration:none;font-size:.85rem;padding:9px 12px;border-radius:8px;white-space:nowrap}.equipment-navigation a[aria-current="page"]{background:var(--card);color:var(--ink);font-weight:600}.equipment-navigation a:hover{color:var(--blue)}
@media(max-width:540px){header .wrap{height:auto;min-height:64px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:10px}header .equipment-navigation{order:3;flex-basis:100%;min-width:0}.equipment-navigation a{flex:1;min-width:0;white-space:normal;display:flex;align-items:center;justify-content:center;padding:9px 8px;text-align:center}}
.logo{display:flex;align-items:center;gap:10px;font:800 1.3rem var(--d);letter-spacing:-.02em}
.sun{width:24px;height:24px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 5px var(--sun-s)}
.hmeta{margin-left:auto;display:flex;gap:14px;align-items:center;color:var(--mute);font-size:.88rem}
.hmeta button{border:1px solid var(--line);background:var(--card);border-radius:99px;padding:5px 12px}
h1{font:800 clamp(2.4rem,6.5vw,4.6rem)/.98 var(--d);letter-spacing:-.035em;margin:28px 0 14px;max-width:14ch}
.lead{font-size:1.1rem;color:var(--mute);max-width:46ch;margin:0 0 26px}
.stats{display:flex;flex-wrap:wrap;gap:10px 36px;margin-bottom:22px}
.stats div{display:flex;flex-direction:column}.stats b{font:800 1.9rem/1.1 var(--d);letter-spacing:-.02em}.stats b small{font:500 .85rem var(--b);color:var(--mute)}.stats span{font-size:.85rem;color:var(--mute)}
.bar{position:sticky;top:0;z-index:5;background:var(--bg);padding:18px 0 10px;margin-top:26px}
.row1{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.search{flex:1 1 240px;border:1.5px solid var(--line);background:var(--card);border-radius:12px;padding:10px 14px;min-width:0}
.sel,.kw{border:1.5px solid var(--line);background:var(--card);border-radius:12px;padding:9px 12px}
.kw{display:flex;gap:8px;align-items:center;font-size:.9rem}.kw input{width:64px;border:0;background:none;font-weight:600;text-align:right}
.seg{display:flex;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:3px}
.seg button{border:0;background:none;border-radius:9px;padding:6px 12px;font-size:.9rem}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.count{display:flex;justify-content:space-between;align-items:baseline;margin:14px 0 8px}
.count h2{font:800 1.4rem var(--d);margin:0}.count button{border:0;background:none;text-decoration:underline;color:var(--mute)}
.list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.hd,.p{display:grid;grid-template-columns:64px minmax(0,2.3fr) minmax(0,.9fr) minmax(0,1.35fr) minmax(0,1.6fr) minmax(0,1.1fr);gap:14px;align-items:center;padding:0 18px}
.hd{font-size:.8rem;color:var(--mute)}
.p{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 18px;position:relative;transition:box-shadow .2s,border-color .2s}
.p.best{border-color:var(--sun);box-shadow:inset 5px 0 0 var(--sun)}
.p.flash{animation:fl 1.4s}@keyframes fl{0%,60%{box-shadow:0 0 0 4px var(--sun)}}
.p.out{opacity:.62}
.p input{width:20px;height:20px;accent-color:var(--blue)}
.br{font-size:.8rem;color:var(--mute)}.nm{font:800 1.1rem/1.2 var(--d);letter-spacing:-.01em}.md{font-size:.8rem;color:var(--mute)}
.w b{font:800 1.25rem var(--d)}.w small,.pr small{color:var(--mute)}
.pr b{font:800 1.25rem var(--d)}.pr del{color:var(--mute);font-size:.85rem;margin-left:6px}.pr .dc{color:var(--good);font-weight:600;font-size:.82rem;margin-left:4px}
.sys{font-size:.8rem;color:var(--mute)}
.wp b{font:800 1.25rem var(--d);white-space:nowrap}.wp.g b{color:var(--good)}.wp.x b{color:var(--coral)}
.wp,.pr,.w,.st{min-width:0}
.pr b{white-space:nowrap}
.rul{position:relative;height:6px;border-radius:4px;background:var(--line);margin-top:8px}
.rul i{position:absolute;left:0;top:0;bottom:0;border-radius:4px;background:var(--blue);opacity:.28}
.rul u{position:absolute;top:-3px;width:12px;height:12px;border-radius:50%;background:var(--blue);transform:translateX(-50%);border:2px solid var(--card)}
.rul s{position:absolute;top:-4px;bottom:-4px;border-left:2px dashed var(--ink)}
.st{font-size:.85rem}
.out-l{color:var(--coral);font-weight:600}
.empty{text-align:center;padding:50px 10px;background:var(--card);border-radius:16px;border:1px dashed var(--line)}
.tray{position:fixed;left:50%;transform:translate(-50%,0);bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:9;background:var(--ink);color:var(--bg);border-radius:16px;padding:10px 12px 10px 20px;display:flex;gap:14px;align-items:center;box-shadow:0 10px 30px #0006;width:max-content;max-width:calc(100% - 24px)}
.tray[hidden]{display:none}.tray button{border:0;border-radius:10px;padding:9px 16px;font-weight:600}
.go{background:var(--sun);color:#2a1d00}.go:disabled{opacity:.45;cursor:not-allowed}.cl{background:none;color:inherit;text-decoration:underline}
dialog{border:0;border-radius:22px;padding:26px;max-width:min(860px,94vw);width:100%;background:var(--card);color:var(--ink);overflow:auto;max-height:90vh}
#system_calc{max-width:min(560px,94vw);padding:22px}
#system_calc[open]{animation:system-in .18s ease-out both}
@keyframes system-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
dialog::backdrop{background:#0b1a1dbb}
dialog h2{font:800 1.8rem var(--d);margin:0 0 14px;letter-spacing:-.02em}dialog h3{font:800 1rem var(--d);margin:18px 0 4px}dialog p{margin:0;color:var(--mute);max-width:62ch}
.x{float:right;border:1px solid var(--line);background:none;border-radius:50%;width:36px;height:36px;font-size:1.2rem}
table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{text-align:left;padding:9px 10px;border-top:1px solid var(--line)}th{font-weight:500;color:var(--mute);width:24%}td.b{background:var(--sun-s);font-weight:600}td.h{font:800 1rem var(--d)}
footer{padding:36px 0 110px;color:var(--mute);font-size:.88rem}footer p{max-width:70ch}
.frow{display:flex;flex-wrap:wrap;gap:12px 14px;align-items:center;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.dd{position:relative}.dd summary{list-style:none;cursor:pointer;border:1.5px solid var(--ink);border-radius:12px;padding:8px 14px;background:var(--card);font-weight:600;display:flex;gap:8px;align-items:center}
.dd summary::-webkit-details-marker{display:none}.dd summary::after{content:"▾";font-size:.8rem}.dd[open] summary{background:var(--ink);color:var(--bg)}
.bd{background:var(--sun);color:#2a1d00;border-radius:99px;font-size:.75rem;padding:0 7px}.bd:empty{display:none}
.pop{position:absolute;top:calc(100% + 6px);left:0;z-index:8;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 32px #0003;padding:8px;min-width:230px;max-height:300px;overflow:auto}
.pop label{display:flex;gap:10px;align-items:center;padding:7px 8px;border-radius:8px;cursor:pointer}.pop label:hover{background:var(--bg)}.pop em{margin-left:auto;font-style:normal;color:var(--mute);font-size:.82rem}.pop input{accent-color:var(--blue);width:18px;height:18px}
.sw{display:flex;gap:8px;align-items:center;cursor:pointer;font-size:.9rem;position:relative}.sw input{position:absolute;opacity:0}.sw .trk{width:38px;height:22px;border-radius:99px;background:var(--line);position:relative;transition:background .2s}
.sw .trk::after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0005;transition:transform .2s}.sw input:checked+.trk{background:var(--good)}.sw input:checked+.trk::after{transform:translateX(16px)}.sw input:focus-visible+.trk{outline:3px solid var(--blue);outline-offset:2px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tags:empty{display:none}.tg{background:var(--sun-s);border:1px solid var(--sun);border-radius:8px;padding:3px 10px;font-size:.85rem}.tg::after{content:" ×";font-weight:600}
.ob{border:0;background:none;padding:0;text-align:left;font-size:.85rem;font-weight:600;text-decoration:underline;text-underline-offset:3px}.ob::after{content:" ▾"}.ob[aria-expanded=true]::after{content:" ▴"}
.of{grid-column:1/-1;border-top:1px dashed var(--line);margin-top:6px;padding-top:4px;display:grid}
.of div{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr .8fr;gap:10px;padding:8px 0;font-size:.88rem;align-items:center}.of div+div{border-top:1px solid var(--line)}.of b{font-family:var(--d)}.of span{color:var(--mute)}.of .no{color:var(--coral);font-weight:600}.of .lo{color:var(--good)}
@media(max-width:820px){
.bar{position:static}.of div{grid-template-columns:1fr 1fr}.p>.of{grid-area:o}
.hd{display:none}
.p{grid-template-columns:28px 1fr auto;grid-template-areas:"c n n" ". w pr" ". wp wp" ". st st" "o o o";gap:6px 12px;padding:14px}
.p>:nth-child(1){grid-area:c}.p>:nth-child(2){grid-area:n}.p>:nth-child(3){grid-area:w}.p>:nth-child(4){grid-area:pr;text-align:right}.p>:nth-child(5){grid-area:wp}.p>:nth-child(6){grid-area:st}
.hmeta span{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}


/* Offer rows are rendered by Rails and expanded progressively. */
.of[hidden]{display:none}
.p[hidden]{display:none}

/* Source information stays attached to the exact retailer offer. */
.nm,.md{overflow-wrap:anywhere}
.retailer-identity{display:flex;align-items:center;gap:8px;min-width:0;flex-wrap:wrap}
.retailer-mark{display:inline-flex;align-items:center;justify-content:center;width:96px;height:32px;padding:4px 7px;border:1px solid var(--line);border-radius:6px;background:#fff;flex:none}
.retailer-mark img{display:block;width:100%;height:100%;object-fit:contain}
.retailer-mark[data-retailer="reiki"],.retailer-mark[data-retailer="jdgelectronic"]{background:#18322c;border-color:#18322c}
.offer-summary .retailer-source{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.nm{display:flex;align-items:center;gap:6px}
.nm>span{min-width:0}
.panel-detail-link{display:inline-block;min-width:0;border-radius:4px;color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;padding:5px 0}
.panel-detail-link:hover{color:var(--blue);text-decoration-color:currentColor}
.catalog-navigation ul{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0 0 20px;padding:0}
.catalog-navigation a{color:var(--blue);text-underline-offset:3px}
.retailer-offer{padding:10px 0;min-width:0}
.retailer-offer+.retailer-offer{border-top:1px solid var(--line)}
.retailer-offer a{color:var(--blue);text-underline-offset:3px}
.of .offer-summary{grid-template-columns:1.1fr 1fr 1.2fr 1.4fr}
.of .offer-summary.offer-summary--compact{grid-template-columns:1.3fr 1fr 1.4fr}
.offer-total{font:700 .92rem var(--d);color:var(--ink);display:inline-flex;align-items:center}
@media(max-width:820px){.of .offer-summary{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.of .offer-summary>*{overflow-wrap:anywhere}}

/* Catalog identity and distinctions: color is reserved for actual standouts. */
.panel-catalog h1{max-width:none;font-size:clamp(2rem,4vw,3.1rem);line-height:1.08;margin:22px 0 10px}
.panel-catalog .lead{max-width:none;margin-bottom:10px}
.panel-catalog>p.md{margin:0 0 18px;max-width:100ch}
.panel-catalog .stats{margin-bottom:18px;gap:10px 32px}
.panel-catalog .stats b{font-size:1.55rem}
.panel-catalog .bar{margin-top:10px;padding-top:12px}
.results-explanation{font-size:.8rem;color:var(--mute);margin:0 0 14px}
.hd{padding-bottom:6px}
.p{padding-top:16px;padding-bottom:16px}
.panel-select{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:44px;cursor:pointer;color:var(--mute);font-size:.72rem}
.panel-select input{margin:0;cursor:pointer}
.p:has(.panel-select input:checked){background:color-mix(in srgb,var(--blue) 7%,var(--card))}
.panel-select:has(input:checked){color:var(--blue);font-weight:600}
.p .panel-identity{min-width:0}
.p .br{min-height:36px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:112px;height:36px;background:#fff;border-radius:5px;padding:5px 8px;border:1px solid #e4e9e6}
.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.brand-mark[data-brand="victron"]{background:#005fbe;border-color:#005fbe}
.brand-mark[data-brand="osda"]{background:#18322c;border-color:#18322c}
.brand-name{font:800 1.15rem/1.2 var(--d);color:var(--ink)}
.p .nm{font:600 .91rem/1.35 var(--b);letter-spacing:0;gap:4px}
.panel-attributes{margin-top:5px}
.panel-format[data-format="Bifacial"],.panel-format[data-format="Monofacial"]{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--ink);font-size:.75rem;font-weight:600;background:var(--bg)}
.panel-format[data-format="Bifacial"]{color:var(--blue);border-color:color-mix(in srgb,var(--blue) 30%,var(--card));background:color-mix(in srgb,var(--blue) 8%,var(--card))}
.panel-format[data-format="Bifacial"]::before,.panel-format[data-format="Monofacial"]::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex-shrink:0}
.panel-highlight{display:inline-block;border-radius:5px;padding:3px 7px;font-size:.72rem;line-height:1.3;font-weight:600;background:var(--sun-s);color:var(--ink)}
.panel-highlight[hidden]{display:none}
.panel-system-highlight{display:inline-block;border-radius:5px;padding:3px 7px;font-size:.72rem;line-height:1.3;font-weight:600;background:var(--good-s,rgba(52,199,89,.12));color:var(--good);margin-left:4px}
.panel-system-highlight[hidden]{display:none}
.p[data-highlight="wp"] .panel-highlight{background:var(--sun);color:#2a1d00}
.p[data-highlight="efficiency"]{border-left:4px solid var(--blue);padding-left:15px}
.p[data-highlight="efficiency"] .panel-highlight{background:color-mix(in srgb,var(--blue) 10%,var(--card));color:var(--blue)}
.p[data-highlight="efficiency"] .panel-efficiency{color:var(--blue);font-weight:600}
.p[data-highlight="power"]{border-left:4px solid var(--ink);padding-left:15px}
.p[data-highlight="power"] .panel-highlight{background:color-mix(in srgb,var(--ink) 10%,var(--card));color:var(--ink)}
.p[data-highlight="power"] .w>b{font-weight:800}
.panel-technology{margin-left:6px;font-size:.78rem;color:var(--mute)}
.panel-spec-label{display:block;margin-top:2px;font-size:.72rem;color:var(--mute)}
.p .w>div+div{margin-top:8px}
.p .w .panel-efficiency{display:block;font-size:1rem;font-weight:600}
.p .wp b{font-size:1.25rem}
.p .wp small{font:500 .85rem var(--b);letter-spacing:0;color:var(--mute)}
.p.best .wp b{color:var(--good)}
.p .sys{margin-top:5px;font-size:.74rem}
.p .panel-store{margin-bottom:6px;font-size:.8rem;color:var(--mute)}
.sys-link{display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;background:none;font:inherit;font-size:.74rem;color:var(--ink);text-align:left;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px;cursor:pointer}
.sys-link:hover{color:var(--blue)}
.offer-price-cell{display:flex;flex-direction:column;gap:2px}
.sys-calc{font-size:.8rem;color:var(--mute)}
/* System-size calculation modal. */
.modal-subtitle{margin:-6px 0 16px;color:var(--mute);font-size:.95rem;line-height:1.3}
.modal-hero{position:relative;overflow:hidden;padding:22px 22px 18px;border-radius:20px;background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 14%,var(--card)),var(--card));border:1px solid color-mix(in srgb,var(--blue) 22%,var(--line));box-shadow:0 8px 24px #0b1a1d14}
.modal-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 88% 20%,color-mix(in srgb,var(--blue) 18%,transparent),transparent 55%);pointer-events:none}
.modal-hero .hero-row{display:flex;align-items:baseline;gap:8px;position:relative}
.modal-hero .hero-number{font:800 4rem/0.9 var(--d);letter-spacing:-.05em;color:var(--blue)}
.modal-hero .hero-unit{font:800 1.2rem/1 var(--d);color:var(--ink)}
.modal-hero .hero-context{position:relative;margin:6px 0 0;color:var(--mute);font-size:.9rem}

.modal-equation,.modal-price{margin-top:18px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--bg)}
.eq-row{display:flex;justify-content:space-between;gap:16px;align-items:baseline;padding:6px 0}
.eq-row span{color:var(--mute);font-size:.92rem}
.eq-row b{font:700 1rem var(--d);color:var(--ink);text-align:right}
.eq-row--emphasis{margin-top:4px;padding-top:10px;border-top:1px dashed var(--line)}
.eq-row--emphasis b{color:var(--blue)}
.eq-note{margin-top:8px;color:var(--mute);font-size:.82rem;line-height:1.4}
.total-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0 4px;margin-top:6px;border-top:2px solid var(--ink)}
.total-row span{color:var(--ink);font-weight:700}
.total-row .total{font:800 1.6rem/1 var(--d);color:var(--good);letter-spacing:-.02em}
.panel-visualization{margin-top:18px}
.viz-grid{display:flex;flex-wrap:wrap;gap:5px}
.viz-grid i{display:block;width:26px;height:17px;border-radius:4px;background:linear-gradient(180deg,color-mix(in srgb,var(--blue) 85%,#fff),var(--blue));box-shadow:inset 0 1px 0 #ffffff33}
.viz-more{margin-top:8px;font-size:.82rem;color:var(--mute)}
.viz-caption{margin-top:8px;color:var(--mute);font-size:.78rem}
.modal-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:6px}
.modal-foot p{color:var(--mute);font-size:.82rem;line-height:1.4}
.p .ob{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--card);font-size:.78rem;text-decoration:none}
.p .ob{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--card);font-size:.78rem;text-decoration:none}
.p .ob:hover,.p .ob[aria-expanded=true]{border-color:var(--blue);color:var(--blue)}
@media(max-width:820px){
  .p{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"n n" "w pr" "wp wp" "c st" "o o";gap:12px 10px;padding:14px}
  .p[data-highlight="efficiency"],.p[data-highlight="power"]{padding-left:11px}
  .p .st{text-align:right}
  .panel-select{flex-direction:row;justify-content:flex-start;font-size:.8rem;gap:8px}
  .p .w b,.p .pr b{font-size:1.18rem}
  .p .wp b{font-size:1.25rem}
  .p .panel-identity{position:relative}
  .p .nm{font-size:.9rem}
  .p .panel-technology{font-size:.74rem}
  .p .sys{line-height:1.4}
}

/* Shared site footer with contact link. */
.site-footer{border-top:1px solid var(--line);padding:22px 0 64px;color:var(--mute);font-size:.88rem}
.site-footer-inner{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between}
.site-footer-brand{display:inline-flex;align-items:center;gap:8px;font:800 1rem var(--d);color:var(--ink)}
.site-footer-brand .sun{width:16px;height:16px;box-shadow:0 0 0 4px var(--sun-s)}
.site-footer-nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.site-footer-nav a{color:var(--mute);text-underline-offset:3px}
.site-footer-nav a:hover{color:var(--blue)}
.site-footer-nav a[aria-current="page"]{color:var(--ink);font-weight:600}