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@media(min-width:761px){.hero{grid-template-columns:minmax(0,46%) minmax(0,54%);height:680px;min-height:0}.hero-visual{min-width:0;height:100%;margin-left:-50px}.hero-visual img{width:112%;height:auto;max-width:112%;flex-shrink:0}.hero-copy{min-width:0}.hero h1{font-size:clamp(50px,6vw,94px)}}

img{height:auto}.card-image img,.solution-photo img{height:100%}.hero-visual img{height:auto}@media(min-width:761px){.hero-visual{height:580px}.detail-image{height:480px}}@media(max-width:760px){.detail-image{height:330px}}
.house-lab{width:100%;min-width:0;position:relative;align-self:center}.lab-top{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:0 25px;font-size:8px;letter-spacing:1.7px;color:var(--muted)}.lab-top>span:first-child{display:flex;align-items:center;gap:8px}.lab-top i{height:5px;width:5px;background:var(--orange);border-radius:50%}.house-viewport{height:455px;position:relative;isolation:isolate}.house-canvas{display:block;width:100%;height:100%;opacity:0;cursor:grab;touch-action:pan-y;transition:opacity .8s}.house-canvas:active{cursor:grabbing}.hero-visual .house-fallback{position:absolute;inset:0;width:100%;max-width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:opacity .7s;pointer-events:none;mask-image:radial-gradient(ellipse,#000 50%,transparent 75%)}.house-ready .house-canvas{opacity:1}.house-ready .house-fallback{opacity:0}.house-loading{position:absolute;bottom:25px;left:10%;right:10%;font-size:11px;text-align:center;color:var(--muted);pointer-events:none}.house-ready .house-loading{display:none}.lab-tools{position:absolute;left:22px;bottom:15px;display:flex;gap:7px}.lab-tools button{width:34px;height:34px;background:#edf6fcd9;border:1px solid var(--line);font-size:19px;color:var(--navy);backdrop-filter:blur(8px)}.house-selector{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 24px}.house-selector button{border:0;border-right:1px solid var(--line);background:transparent;padding:15px 8px;font-size:9px;color:var(--muted);display:flex;gap:10px;justify-content:center;transition:background .25s,color .25s}.house-selector button:last-child{border-right:0}.house-selector span{font-size:12px;font-weight:700}.house-selector button[aria-pressed=true]{background:var(--navy);color:white}.house-info{padding:20px 25px 15px;display:grid;grid-template-columns:1fr 120px;gap:20px;min-height:110px}.house-info-label{font-size:8px;letter-spacing:1.8px;color:var(--muted);display:block;margin-bottom:8px}.house-info-model{font-size:14px;display:block;line-height:1.5}.house-info-spec{font-size:10px!important;margin-top:5px}.house-info-meter{border-left:1px solid var(--line);padding-left:20px}.house-flow-number{font:500 38px/1 var(--heading);color:var(--orange);display:block}.house-info-meter>span{font-size:9px;color:var(--muted)}.simulation-note{padding:10px 25px 0;font-size:8px!important;letter-spacing:.2px;color:var(--muted)}.house-tooltip{position:absolute;width:240px;padding:18px;background:#071e39f5;border:1px solid #4a657b;color:white;box-shadow:0 14px 35px #071e3933;backdrop-filter:blur(14px);pointer-events:none;z-index:8}.house-tooltip[hidden]{display:none}.tip-category{font-size:8px;color:#9bb8cf;letter-spacing:1.8px;display:block;margin-bottom:10px}.tip-model{display:block;font-size:14px;line-height:1.5}.tip-spec{font-size:10px;color:#b8cbdb;display:block;margin:8px 0 12px}.tip-flow{border-top:1px solid #ffffff25;padding-top:10px;display:flex;justify-content:space-between;align-items:center}.tip-flow span{font-size:10px}.tip-flow b{font:500 25px var(--heading);color:#ff943a}.house-tooltip small{display:block;font-size:8px;color:#98adc0;margin-top:10px}.webgl-unavailable .house-canvas{display:none}.webgl-unavailable .house-fallback{opacity:1}.webgl-unavailable .lab-tools{display:none}
@media(min-width:761px){.hero{height:790px;grid-template-columns:minmax(0,44%) minmax(0,56%)}.hero-visual{height:auto;margin-left:-10px;padding-right:18px}.hero h1{font-size:clamp(50px,5.7vw,94px)}}
@media(max-width:1100px) and (min-width:761px){.house-viewport{height:390px}.lab-hint{display:none}.house-info{grid-template-columns:1fr 80px;padding:18px 12px}.house-selector{margin:0 12px}.house-selector span{font-size:10px}.house-selector button{gap:5px}.house-info-model{font-size:12px}.hero h1{font-size:59px}}
@media(max-width:760px){.house-lab{padding:15px 0 24px;width:100%}.house-viewport{height:320px}.lab-top{padding:0 6%;font-size:7px;letter-spacing:1px}.lab-hint{font-size:6px}.house-selector{margin:0 6%}.house-selector button{padding:13px 4px;gap:6px}.house-selector span{font-size:10px}.house-info{padding:18px 6% 12px;grid-template-columns:1fr 85px;gap:12px;min-height:115px}.house-info-model{font-size:12px}.house-flow-number{font-size:34px}.house-info-meter{padding-left:12px}.house-info-meter>span{font-size:8px}.house-info-spec{font-size:9px!important}.simulation-note{padding:12px 6% 0;font-size:7px!important}.house-tooltip{width:210px;padding:13px}.tip-model{font-size:12px}.tip-spec{font-size:9px}.lab-tools{left:6%;bottom:12px}.lab-tools button{width:32px;height:32px}.hero-visual{margin-top:20px}.house-canvas{touch-action:pan-y}}

.hero-visual .house-fallback{margin:0}
@media(max-width:760px){.hero-visual{max-height:none;height:auto;overflow:visible}}
/* Site-wide day/night palette and the shared energy-house lighting switch. */
:root{color-scheme:light}
html[data-theme=dark]{color-scheme:dark;--navy:#e5eff9;--paper:#091827;--white:#102335;--line:#294256;--muted:#9aafc1;--blue:#5b9eff;--orange:#ff8a38}
body,.site-header,.section,.footer,input,textarea,select,.house-selector button{transition:background-color .5s,color .5s,border-color .5s}
.theme-toggle{order:3;margin-left:22px;width:62px;height:34px;padding:4px;border:1px solid var(--line);background:var(--white);color:var(--navy);display:flex;align-items:center;justify-content:space-around;flex-shrink:0;border-radius:22px;position:relative;font-size:18px;line-height:1}
.theme-toggle:before{content:'';position:absolute;left:3px;top:3px;width:26px;height:26px;background:var(--orange);border-radius:50%;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.theme-toggle span{position:relative;z-index:1;width:24px;text-align:center}.theme-sun{color:#fff}.theme-moon{color:var(--muted)}
[data-theme=dark] .theme-toggle:before{transform:translateX(28px)}[data-theme=dark] .theme-sun{color:var(--muted)}[data-theme=dark] .theme-moon{color:#071e39}
.site-header nav{margin-left:auto}.site-header .brand{margin-right:24px}
[data-theme=dark] .site-header{background:#091827ed}
[data-theme=dark] .grid-paper{background-image:linear-gradient(#7198b313 1px,transparent 1px),linear-gradient(90deg,#7198b313 1px,transparent 1px)}
[data-theme=dark] .blue-band{background:#102e51}[data-theme=dark] .blue-band h2 span{color:#7fb6ff}
[data-theme=dark] .button{color:#081b2c}[data-theme=dark] .button.dark{background:#dcecf9;border-color:#dcecf9;color:#0b2034}
[data-theme=dark] .button.dark:hover{background:#fff}[data-theme=dark] .button:hover{background:#ffac72;border-color:#ffac72}
[data-theme=dark] .footer{background:#06121e;color:#e5eff9}
[data-theme=dark] input,[data-theme=dark] textarea,[data-theme=dark] select{background:#102638;color:#e5eff9}
[data-theme=dark] .card-image{background:#183247}[data-theme=dark] .equipment-item img{mix-blend-mode:normal;border-radius:4px;background:#edf6fc}
[data-theme=dark] .photo-caption{background:#102e51;color:#e5eff9}
[data-theme=dark] .house-selector button[aria-pressed=true]{background:#26465e;color:#fff}
.lab-tools button{background:var(--paper);color:var(--navy)}
[data-theme=dark] .house-fallback{mix-blend-mode:normal;filter:brightness(.65)}
[data-theme=dark] .admin-nav{background:#102335}[data-theme=dark] .admin-nav a[aria-current]{color:#ff984b}
[data-theme=dark] .lead-card,[data-theme=dark] .stats a,[data-theme=dark] .admin-entries article{background:#102335}
.house-viewport{height:500px}.house-tooltip{width:218px;font-size:12px}.house-info{min-height:105px}.simulation-note{padding-top:0}
@media(min-width:761px){.hero{height:790px}.hero-visual{margin-left:-25px;padding-right:0}}
@media(max-width:1100px) and (min-width:761px){.site-header nav{gap:18px}.theme-toggle{margin-left:16px}.house-viewport{height:430px}}
@media(max-width:760px){.site-header .brand{margin-right:auto}.theme-toggle{order:0;margin:0 18px 0 10px;width:58px;height:32px}.theme-toggle:before{width:24px;height:24px}[data-theme=dark] .theme-toggle:before{transform:translateX(26px)}.theme-toggle span{font-size:16px}.site-header nav{margin-left:0}.house-viewport{height:370px}.house-lab[data-focus] .house-tooltip{display:none}.lab-hint{font-size:5px}.house-info{min-height:112px}.hero-visual{margin-left:0}}
@media(prefers-reduced-motion:reduce){body,.site-header,.section,.footer,input,textarea,select,.theme-toggle:before{transition:none}}

[data-theme=dark] .skip{background:#102335;color:#e5eff9}
/* Reference image scene: the architecture remains the supplied artwork. */
.blueprint-lab .lab-top{padding-bottom:12px}.blueprint-viewport{position:relative;width:100%;aspect-ratio:3/2;overflow:hidden;isolation:isolate;touch-action:pan-y;background:#e4f3fd;outline-offset:-3px}
.blueprint-plane{position:absolute;inset:0;transform-origin:0 0;transition:transform 1.25s cubic-bezier(.22,.75,.18,1);will-change:transform}
.hero-visual .blueprint-image{display:block;width:100%;height:100%;max-width:100%;margin:0;object-fit:fill;mix-blend-mode:normal;user-select:none;pointer-events:none;transition:filter .9s}
.blueprint-overlay{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.blueprint-window-light{opacity:0;pointer-events:none;transition:opacity .9s;filter:saturate(1.22) brightness(1.05)}
[data-theme=dark] .blueprint-viewport{background:#0b1b2c}[data-theme=dark] .blueprint-image{filter:brightness(.58) contrast(1.12) saturate(.85)}[data-theme=dark] .blueprint-window-light{opacity:.88}
.energy-routes{pointer-events:none}.energy-route{fill:#ff8a15;transition:opacity .7s}.energy-route path{fill:none;stroke-linecap:round;stroke-linejoin:round}.route-track{stroke:#ff8a15;stroke-width:2.8;opacity:.85}.route-spark{stroke:#fff1ba;stroke-width:3.2;stroke-dasharray:3 75;animation:energy-travel 6s linear infinite;filter:drop-shadow(0 0 3px #ffb84a)}
.route-battery .route-spark{animation-duration:4s}.route-home .route-spark{animation-duration:7s}.blueprint-lab[data-mode=night] .route-battery .route-spark{animation-direction:reverse}.blueprint-lab[data-mode=night] .route-pv{opacity:.12}.blueprint-lab[data-mode=night] .route-pv .route-spark{display:none}
.blueprint-hotspot{cursor:pointer;outline:none}.blueprint-hotspot polygon{fill:transparent;stroke:transparent;stroke-width:2;transition:fill .2s,stroke .2s}.blueprint-hotspot:hover polygon,.blueprint-hotspot:focus-visible polygon{fill:#ff9a1910;stroke:#ffac58}.hotspot-dot{fill:#fff5df;stroke:#ff8616;stroke-width:3}.hotspot-ring{fill:#ff941016;stroke:#ff9d3c;stroke-width:1.5;transform-box:fill-box;transform-origin:center;animation:hotspot-breathe 3s ease-in-out infinite}.blueprint-hotspot:hover .hotspot-ring,.blueprint-hotspot:focus-visible .hotspot-ring{stroke-width:3;fill:#ff94103d}
.blueprint-lab[data-focus] .hotspot-dot,.blueprint-lab[data-focus] .hotspot-ring{opacity:0}.blueprint-lab .house-tooltip{right:16px;top:18px;left:auto;width:230px}.blueprint-lab[data-focus] .house-tooltip{display:none}.blueprint-lab .lab-tools{left:20px;bottom:16px;z-index:4}.blueprint-lab .lab-tools button:first-child{width:auto;padding:0 12px;display:flex;align-items:center;gap:8px}.blueprint-lab .lab-tools span{font-size:10px;font-family:var(--body)}.blueprint-lab .lab-tools button{background:color-mix(in srgb,var(--paper) 90%,transparent)}
.blueprint-lab[data-paused=true] .route-spark,.blueprint-lab[data-paused=true] .hotspot-ring,.blueprint-lab[data-offscreen=true] .route-spark,.blueprint-lab[data-offscreen=true] .hotspot-ring,.blueprint-lab[data-hidden=true] .route-spark,.blueprint-lab[data-hidden=true] .hotspot-ring{animation-play-state:paused}
@keyframes energy-travel{to{stroke-dashoffset:-312}}@keyframes hotspot-breathe{0%,100%{transform:scale(.9);opacity:.55}50%{transform:scale(1.17);opacity:1}}
@media(max-width:760px){.blueprint-lab .lab-top{padding-top:5px}.blueprint-lab .lab-tools{left:6%;bottom:10px}.blueprint-lab .house-tooltip{display:none}.blueprint-lab .lab-tools span{font-size:9px}.blueprint-lab .lab-tools button:first-child{padding:0 9px}.blueprint-hotspot .hotspot-dot{r:9}.blueprint-hotspot .hotspot-ring{r:25}}
@media(prefers-reduced-motion:reduce){.blueprint-plane,.hero-visual .blueprint-image,.blueprint-window-light{transition:none}.route-spark,.hotspot-ring{animation:none}}
@media(min-width:761px){.hero:has(.blueprint-lab){height:auto;min-height:790px}.hero:has(.blueprint-lab) .hero-visual{height:auto}}
.blueprint-lab[data-focus] .hotspot-ring{animation:none;opacity:0}
.energy-route .load-terminal{fill:#fff2d6;stroke:#ff8a15;stroke-width:2}.energy-route .load-symbol{stroke:#e77b10;stroke-width:2;fill:none}

.blueprint-lab[data-focus] .blueprint-hotspot polygon{stroke:transparent;fill:transparent}
.blueprint-viewport{aspect-ratio:1672/941}.blueprint-lab .house-selector{grid-template-columns:repeat(3,1fr)}.blueprint-lab .house-selector button:nth-child(-n+3){border-bottom:1px solid var(--line)}.blueprint-lab .house-selector span{font-size:11px}.route-track{stroke-width:2;opacity:.9}.route-spark{stroke-width:2.4;filter:none}.energy-route path{stroke-linejoin:round}.grid-source{fill:#edf6fc;stroke:#ff8a15;stroke-width:1.5}.grid-source-label{fill:#18314a;font-size:12px;font-family:Arial,sans-serif;letter-spacing:1.3px}.energy-routes .load-terminal{fill:#fff2d6;stroke:#ff8a15;stroke-width:2}.energy-routes .load-symbol{fill:none;stroke:#e77b10;stroke-width:2}

.house-lab:not(.blueprint-lab) .house-selector{grid-template-columns:repeat(3,1fr)}.house-lab:not(.blueprint-lab) .house-selector button:nth-child(-n+3){border-bottom:1px solid var(--line)}
@media(min-width:761px){.hero:has(.house-canvas){height:auto;min-height:850px}.house-viewport{height:540px}}