/* Full-frame conceptual energy model. Parent sets the stage height. */
.solar-scene{--ss-petrol:var(--petrol,#123b45);--ss-amber:var(--amber,#e4a446);--ss-sage:var(--sage,#6d927d);position:relative;isolation:isolate;width:100%;height:100%;min-width:0;overflow:hidden;color:var(--ss-petrol);background:#fff;border:1px solid rgb(18 59 69/.18);border-radius:22px}
.ss-viewport{position:relative;width:100%;height:100%;min-height:0;overflow:hidden;background:#fff}
.ss-viewport::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:url("grain.svg") repeat;opacity:.035}
.solar-scene[data-render=webgl] .ss-viewport{cursor:grab;touch-action:auto}
.solar-scene[data-render=webgl] .ss-viewport.is-dragging{cursor:grabbing}
.ss-viewport:focus-visible{outline:3px solid var(--ss-amber);outline-offset:-5px}
.ss-canvas{display:block;position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.solar-scene-fallback{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(145deg,rgb(109 146 125/.08),#fff 65%);transition:opacity .35s}
.solar-scene-fallback>svg{display:block;width:min(100%,900px);height:100%;object-fit:contain}
.solar-scene-fallback>p{display:none}
.solar-scene:not([data-phase]) .solar-scene-fallback>p{display:block;position:absolute;left:18px;right:18px;bottom:14px;max-width:44ch;margin:0;padding:12px 14px;border-radius:12px;color:var(--ss-petrol);background:rgb(255 255 255/.94);font:400 13px/1.45 var(--sans,sans-serif)}
.solar-scene[data-render=fallback] .ss-canvas{display:none}
.solar-scene[data-render=webgl] .solar-scene-fallback{opacity:0;pointer-events:none;visibility:hidden}
.ss-topline{position:absolute;z-index:4;top:22px;left:22px;right:22px;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;pointer-events:none;cursor:auto}
.ss-chapters{display:inline-flex;align-items:center;max-width:calc(100% - 56px);padding:3px;border:1px solid rgb(18 59 69/.13);border-radius:12px;background:radial-gradient(ellipse at 12% 8%,#fff,transparent 72%),linear-gradient(145deg,rgb(255 255 255/.96),rgb(247 250 248/.94));box-shadow:0 7px 24px rgb(18 59 69/.08);backdrop-filter:blur(12px);pointer-events:auto}
.ss-chapters button{appearance:none;min-height:43px;min-width:0;padding:9px 17px;border:0;border-radius:8px;color:var(--ss-petrol);background:transparent;font:500 12px/1.2 var(--sans,sans-serif);white-space:nowrap;cursor:pointer;transition:background-color .2s,box-shadow .2s}
.ss-chapters button:hover{background:rgb(18 59 69/.09)}
.ss-chapters button[aria-pressed=true],.ss-chapters button[aria-pressed=true]:hover{color:#fff;background:radial-gradient(ellipse at 12% 8%,rgb(255 255 255/.13),transparent 70%),linear-gradient(145deg,#22505a,var(--ss-petrol))}
.ss-pause{display:grid;place-items:center;flex:0 0 48px;width:48px;height:48px;min-height:44px;border:1px solid rgb(18 59 69/.16);border-radius:10px;color:var(--ss-petrol);background:radial-gradient(ellipse at 12% 8%,#fff,transparent 72%),linear-gradient(145deg,rgb(255 255 255/.96),rgb(247 250 248/.94));box-shadow:0 7px 24px rgb(18 59 69/.08);backdrop-filter:blur(12px);font:500 16px/1 var(--sans,sans-serif);pointer-events:auto;cursor:pointer}
.ss-pause:hover{background:#fff;border-color:var(--ss-petrol)}
.ss-pause span{transform:translateY(-1px)}
.ss-controls{position:absolute;z-index:4;left:22px;bottom:22px;width:min(620px,calc(100% - 44px));padding:20px 22px 13px;border:1px solid rgb(18 59 69/.16);border-radius:18px;color:var(--ss-petrol);background:rgb(255 255 255/.94);box-shadow:0 14px 42px rgb(18 59 69/.12);backdrop-filter:blur(16px);cursor:auto}
.ss-readout{display:grid;grid-template-columns:minmax(150px,.45fr) 1fr;gap:17px;align-items:baseline}
.ss-title,.ss-detail h3{margin:0;color:var(--ss-petrol);font:550 19px/1.25 var(--sans,sans-serif);letter-spacing:-.025em}
.ss-description,.ss-detail-copy{margin:0;max-width:44ch;color:var(--ss-petrol);font:400 13px/1.48 var(--sans,sans-serif)}
.ss-detail-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.ss-detail h3{max-width:24ch}
.ss-detail-copy{max-width:66ch;margin-top:8px}
.ss-detail-close{flex:0 0 auto;min-width:50px;min-height:44px;margin:-10px -8px 0 0;padding:8px;border:0;color:var(--ss-petrol);background:transparent;font:500 12px/1 var(--sans,sans-serif);cursor:pointer}
.ss-detail-close span{margin-left:3px;font-size:18px;vertical-align:-1px}
.ss-detail-link{display:inline-flex;align-items:center;min-height:34px;margin-top:2px;color:var(--ss-petrol);font:600 12px/1.4 var(--sans,sans-serif);text-underline-offset:3px}
.ss-controls-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:17px;padding-top:10px;border-top:1px solid rgb(18 59 69/.16)}
.ss-hotspots{display:flex;flex-wrap:wrap;gap:6px}
.ss-hotspot{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 11px;border:1px solid rgb(18 59 69/.2);border-radius:9px;color:var(--ss-petrol);background:linear-gradient(135deg,#fff,#f7faf8);font:500 12px/1.1 var(--sans,sans-serif);cursor:pointer;transition:background .2s,color .2s,border-color .2s}

.ss-hotspot:hover{border-color:var(--ss-petrol)}
.ss-hotspot[aria-expanded=true]{color:#fff;border-color:var(--ss-petrol);background:linear-gradient(145deg,#22505a,var(--ss-petrol))}
.ss-follow{min-height:44px;flex:0 0 auto;padding:7px 0 7px 8px;border:0;color:var(--ss-petrol);background:transparent;font:500 11px/1.2 var(--sans,sans-serif);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.ss-follow span{margin-left:3px;text-decoration:none}
.solar-scene [hidden]{display:none!important}
.solar-scene button:focus-visible,.solar-scene a:focus-visible,.ss-detail:focus-visible{outline:3px solid var(--ss-amber);outline-offset:3px}
.solar-scene[data-render=fallback].is-night .solar-scene-fallback{background:var(--ss-petrol)}
.solar-scene[data-render=fallback].is-night .ss-fallback-sun{fill:#fff}
@media(max-width:680px),(max-height:620px){
.ss-topline{top:12px;left:12px;right:12px;gap:8px}
.ss-chapters{flex:1 1 auto;max-width:calc(100% - 52px)}
.ss-chapters button{flex:1 1 0;min-height:44px;padding:7px 5px;font-size:12px;white-space:normal}
.ss-pause{flex-basis:46px;width:46px;height:46px}
.ss-controls{left:12px;right:12px;bottom:12px;width:auto;padding:13px 14px 8px;border-radius:15px}
.ss-readout{grid-template-columns:1fr;gap:3px}
.ss-title,.ss-detail h3{font-size:15px}
.ss-description,.ss-detail-copy{font-size:12px;line-height:1.4}
.ss-controls-foot{margin-top:9px;padding-top:6px}
.ss-hotspot{min-height:44px;padding:8px 9px;font-size:11px}
.ss-follow{min-height:44px;font-size:11px}
}
@media(max-width:420px){
.ss-chapters button{font-size:12px}
.ss-hotspots{gap:4px}
.ss-hotspot{min-height:44px;padding:6px 8px}
.ss-controls-foot{align-items:flex-start}
.ss-follow{max-width:78px;text-align:right}
}
@media(prefers-reduced-motion:reduce){.solar-scene *{transition:none!important;animation:none!important}}

/* ── v2: chapter copy from the page, live part status, pinned labels, progress ── */
.ss-visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ss-readout{display:block}
.ss-readout .energy-chapters{margin:0;padding:0;list-style:none}
.ss-readout .energy-chapters>li{display:grid;grid-template-columns:minmax(150px,.42fr) 1fr;gap:4px 17px;align-items:baseline}
.ss-readout .energy-chapters h3{grid-row:1/span 2;margin:0;color:var(--ss-petrol);font:550 19px/1.25 var(--sans,sans-serif);letter-spacing:-.025em}
.ss-readout .chapter-time{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ss-readout .energy-chapters p{margin:0;max-width:46ch;color:var(--ss-petrol);font:400 13px/1.48 var(--sans,sans-serif)}
.ss-readout .energy-chapters .chapter-limit{margin-top:6px;padding-left:10px;border-left:2px solid var(--ss-sage);font-size:12px;line-height:1.45;color:rgb(18 59 69/.86)}
html[data-theme] .ss-readout .energy-chapters .chapter-limit{color:color-mix(in srgb,var(--ss-petrol) 88%,white)}
.ss-chapters{position:relative}
.ss-progress{position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:rgb(18 59 69/.1);overflow:hidden;pointer-events:none}
.ss-progress i{display:block;height:100%;background:var(--ss-amber);transform-origin:left center;transform:scaleX(0)}
.ss-controls-foot{display:block}
.ss-hotspots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.ss-hotspot{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;justify-items:start;align-items:center;gap:1px 8px;min-height:50px;padding:7px 10px 7px 11px;text-align:left}
.ss-hotspot .ss-hotspot-name{font:600 12px/1.2 var(--sans,sans-serif)}
.ss-hotspot .ss-hotspot-state{grid-row:2;font:400 11px/1.25 var(--sans,sans-serif);opacity:.86}
.ss-hotspot .ss-hotspot-icon{grid-row:1/span 2;grid-column:2;font-size:16px;line-height:1}
.ss-tags{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.ss-tag{position:absolute;left:0;top:0;will-change:transform}
.ss-tag::before{content:"";position:absolute;left:-3px;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--ss-petrol);box-shadow:0 0 0 3px rgb(255 255 255/.8)}
.ss-tag-text{position:absolute;left:0;bottom:9px;transform:translateX(-50%);padding:5px 9px;border:1px solid rgb(18 59 69/.16);border-radius:7px;background:rgb(255 255 255/.9);color:var(--ss-petrol);font:500 11px/1.1 var(--sans,sans-serif);white-space:nowrap;box-shadow:0 6px 18px rgb(18 59 69/.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.ss-tag-text::after{content:"";position:absolute;left:50%;top:100%;width:1px;height:7px;background:rgb(18 59 69/.4)}
.ss-tag{opacity:.62;transition:opacity .35s}
.ss-tag.is-active{opacity:1}
.ss-tag.is-active .ss-tag-text{color:#fff;border-color:transparent;background:linear-gradient(145deg,#22505a,var(--ss-petrol))}
html[data-theme] .ss-tag.is-active .ss-tag-text{background:linear-gradient(145deg,color-mix(in srgb,var(--ss-petrol) 85%,white),var(--ss-petrol))}
.solar-scene.is-night .ss-tag::before{background:var(--ss-amber);box-shadow:0 0 0 3px rgb(255 255 255/.25)}
.solar-scene.is-night .ss-tag-text::after{background:rgb(255 255 255/.5)}
.solar-scene[data-render=fallback] .ss-tags{display:none}
.solar-scene.ss-compact .ss-tag:not(.is-active){opacity:0}
.model-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px;margin:4px 12px 0}
.model-meta .model-note{margin:0!important}
.model-meta .ss-follow{min-height:40px;padding:6px 0 6px 8px;border:0;color:var(--petrol);background:transparent;font:500 12px/1.2 var(--sans,sans-serif);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.model-meta .ss-follow:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
/* Static illustration states, used when WebGL or the model script is unavailable. */
.solar-scene-fallback .fb-moon{opacity:0}
.solar-scene-fallback .fb-flow-battery{display:none}
.solar-scene-fallback .fb-battery{opacity:.16;transform:translate(-48px,-60px) scale(.65);transform-box:fill-box;transform-origin:bottom left;transition:opacity .3s}
.solar-scene[data-detail="battery"] .solar-scene-fallback .fb-battery{opacity:.85}
.solar-scene[data-render=fallback].is-night .fb-moon{opacity:1}
.solar-scene[data-render=fallback].is-night .fb-sun,.solar-scene[data-render=fallback].is-night .fb-flow-solar{opacity:0}
.solar-scene[data-render=fallback].is-night .fb-labels{fill:#fff}
.solar-scene[data-render=fallback].is-night .fb-windows>path:first-child{fill:#E4A446}
@media(max-width:680px),(max-height:620px){
.ss-readout .energy-chapters>li{grid-template-columns:1fr;gap:3px}
.ss-readout .energy-chapters h3{grid-row:auto;font-size:15px}
.ss-readout .energy-chapters p{font-size:12px;line-height:1.4}
.ss-readout .energy-chapters .chapter-limit{font-size:11px;margin-top:4px}
.ss-hotspots{gap:5px}
.ss-hotspot{min-height:46px;padding:6px 7px 6px 8px;gap:1px 4px}
.ss-hotspot .ss-hotspot-name{font-size:11px}
.ss-hotspot .ss-hotspot-state{font-size:10px}
.ss-tag-text{font-size:10px;padding:4px 7px}
.model-meta{margin-inline:7px}
.model-meta .ss-follow{font-size:11px}
}
@media(prefers-reduced-motion:reduce){.ss-tag{transition:none}}

/* Commercial solar leads the story; storage is a quiet, separate detail. */
.ss-optional{display:inline-flex;align-items:center;gap:7px;min-height:36px;margin:4px 0 -4px;padding:4px 0;border:0;background:none;color:var(--ss-petrol);font:500 11px/1.3 var(--sans,sans-serif);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.ss-optional .ss-hotspot-icon{font-size:14px;text-decoration:none}
.ss-optional[aria-expanded=true]{font-weight:650}
.ss-tag[data-tag=battery]{opacity:0}
.ss-tag[data-tag=battery].is-active{opacity:1}

/* Dimensioned figures stay readable HTML, including in the static fallback. */
.ss-savings{--ss-credit-width:184px;--ss-cost-width:245px;--ss-number-height:72px;position:absolute;z-index:3;top:91px;left:26px;right:26px;max-width:860px;cursor:auto;color:var(--ss-petrol);background:none;transition:color .35s}
.ss-savings-metrics{display:grid;grid-template-columns:1fr 1.12fr;gap:30px;align-items:start}
.ss-savings-metric{min-width:0}
.ss-savings-kicker{margin:0 0 7px;font:550 11px/1.35 var(--sans,sans-serif)}
.ss-savings-number{display:flex;align-items:center;gap:10px;min-height:var(--ss-number-height);margin:0 0 8px;font:650 clamp(48px,5.7vw,66px)/1 var(--sans,sans-serif);letter-spacing:-.055em;color:var(--ss-petrol);background:none;transform:none;text-shadow:none}
.ss-savings-number small{flex:0 0 auto;font:550 15px/1.2 var(--sans,sans-serif);letter-spacing:0;white-space:nowrap;text-shadow:none}
.ss-number-slot{position:relative;display:block;flex:0 0 auto;height:var(--ss-number-height);min-width:0;background:none;border:0;transform:none;text-shadow:none;pointer-events:none}
.ss-number-slot[data-number="credit"]{width:min(var(--ss-credit-width),calc(100% - 48px))}
.ss-number-slot[data-number="cost"],.ss-number-slot[data-number="saving"]{width:min(var(--ss-cost-width),calc(100% - 54px))}
.ss-number-fallback{display:flex;align-items:center;justify-content:flex-start;width:100%;height:100%;opacity:1;white-space:nowrap;background:none;transform:none;text-shadow:none}
/* The canvas is decorative; zero opacity keeps the exact numeral available to assistive technology. */
.solar-scene.ss-has-number-mesh .ss-number-fallback{opacity:0}
.ss-savings-label{display:block;font:550 12px/1.35 var(--sans,sans-serif)}
.ss-savings-condition{margin:5px 0 0;max-width:36ch;font:400 11px/1.35 var(--sans,sans-serif)}
.ss-savings-metric a{display:inline-flex;align-items:center;gap:5px;min-height:34px;margin-top:1px;color:inherit;font:550 11px/1.3 var(--sans,sans-serif);text-underline-offset:3px}
.solar-scene.is-night .ss-savings{color:#fff}
.solar-scene.is-night .ss-savings-number{color:#fff}
.solar-scene[data-phase="2"] .ss-savings-cost .ss-savings-number{color:color-mix(in srgb,var(--ss-petrol) 90%,var(--ss-sage))}
.solar-scene.is-night[data-phase="2"] .ss-savings-cost .ss-savings-number{color:#fff}
@media(max-width:680px),(max-height:620px){
.ss-savings{--ss-credit-width:130px;--ss-cost-width:145px;--ss-number-height:55px;top:74px;left:17px;right:17px;max-width:none}
.ss-savings-metrics{grid-template-columns:1fr 1.12fr;gap:18px}
.ss-savings-kicker{margin-bottom:6px;font-size:10px;min-height:27px}
.ss-savings-number{gap:3px;margin-bottom:6px;font-size:clamp(35px,6.8vw,48px)}
.ss-savings-number small{font-size:12px}
.ss-number-slot[data-number="credit"]{width:min(var(--ss-credit-width),calc(100% - 34px))}
.ss-number-slot[data-number="cost"],.ss-number-slot[data-number="saving"]{width:min(var(--ss-cost-width),calc(100% - 40px))}
.ss-savings-label{font-size:11px}
.ss-savings-condition{font-size:10px;line-height:1.35}
.ss-savings-metric a{font-size:10px;min-height:34px}
.ss-optional{min-height:36px;font-size:10px}
}
@media(max-width:420px){
.ss-savings{left:16px;right:16px}
.ss-savings-metrics{gap:14px}
.ss-savings-number{font-size:clamp(29px,9.1vw,37px);gap:1px}
.ss-savings-number small{font-size:10px}
.ss-savings-credit .ss-savings-number{font-size:clamp(34px,10.7vw,42px)}
.ss-savings-credit .ss-savings-number small{width:23px}
.ss-savings-cost .ss-savings-number small{width:30px}
.ss-number-slot[data-number="credit"]{width:min(var(--ss-credit-width),calc(100% - 24px))}
.ss-number-slot[data-number="cost"],.ss-number-slot[data-number="saving"]{width:min(var(--ss-cost-width),calc(100% - 31px))}
}

/* Wide stages give the roof two thirds of the frame and put the figures beside it. */
.solar-scene.ss-wide .ss-savings{--ss-credit-width:224px;--ss-cost-width:286px;--ss-number-height:88px;top:100px;left:auto;right:34px;width:29%;max-width:420px}
.solar-scene.ss-wide .ss-savings-metrics{grid-template-columns:1fr;gap:25px}
.solar-scene.ss-wide .ss-savings-kicker{min-height:0;margin-bottom:10px;font-size:11px}
.solar-scene.ss-wide .ss-savings-number{gap:10px;margin-bottom:11px;font-size:clamp(62px,5.2vw,78px);transform:none;text-shadow:none}
.solar-scene.ss-wide .ss-savings-number small{font-size:15px}
.solar-scene.ss-wide .ss-number-slot[data-number="credit"]{width:min(var(--ss-credit-width),calc(100% - 48px))}
.solar-scene.ss-wide .ss-number-slot[data-number="cost"],.solar-scene.ss-wide .ss-number-slot[data-number="saving"]{width:min(var(--ss-cost-width),calc(100% - 54px))}
.solar-scene.ss-wide .ss-savings-label{font-size:13px}
.solar-scene.ss-wide .ss-savings-condition{font-size:11px}
.solar-scene.ss-wide .ss-savings-metric a{min-height:36px;font-size:11px}
.solar-scene.ss-wide .ss-savings-credit{padding-bottom:17px;border-bottom:1px solid color-mix(in srgb,var(--ss-petrol) 17%,transparent)}
.solar-scene.ss-wide .ss-savings-cost{transform:none}
.solar-scene.ss-wide.is-night .ss-savings-number{color:#fff;text-shadow:none}
.solar-scene.ss-wide.is-night .ss-savings-credit{border-bottom-color:rgb(255 255 255/.2)}
.solar-scene.ss-wide .solar-scene-fallback{justify-items:start}
.solar-scene.ss-wide .solar-scene-fallback>svg{width:69%;max-width:none}

.ss-savings-energy{margin:5px 0 0;font:550 11px/1.35 var(--sans,sans-serif)}
@media(max-width:680px),(max-height:620px){.ss-savings-energy{font-size:10px}}

/* Readable controls and a stable statistic surface throughout the day.
   In WebGL the white surface is drawn behind the numeral meshes in the canvas;
   an opaque DOM background would cover those meshes. */
.ss-chapters,.ss-pause,.ss-controls{background:#fff;backdrop-filter:none}
.ss-chapters button{font-size:13px;font-weight:600}
.ss-chapters button[aria-pressed=true],.ss-chapters button[aria-pressed=true]:hover{color:#fff}
.ss-controls{border-color:color-mix(in srgb,var(--ss-petrol) 24%,white)}
.ss-readout .energy-chapters p,.ss-detail-copy{font-size:14px;line-height:1.5}
.ss-readout .energy-chapters .chapter-limit{font-size:12px;line-height:1.5;color:var(--ss-petrol)}
.ss-hotspot .ss-hotspot-state{font-size:12px;line-height:1.35;opacity:1}
.ss-hotspot{min-height:54px;background:#fff}
.ss-hotspot[aria-expanded=true]{color:#fff;background:var(--ss-petrol)}
.ss-tag{opacity:1}
.ss-tag-text{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none;font-size:12px;line-height:1.25}
.ss-savings{padding:16px;border:1px solid color-mix(in srgb,var(--ss-petrol) 18%,white);border-radius:16px;transition:none}
.solar-scene:not(.ss-has-number-mesh) .ss-savings{background:#fff}
.solar-scene.is-night .ss-savings,.solar-scene.is-night .ss-savings-number,.solar-scene.ss-wide.is-night .ss-savings-number{color:var(--ss-petrol)}
.ss-savings-kicker,.ss-savings-condition,.ss-savings-energy,.ss-savings-metric a,.solar-scene.ss-wide .ss-savings-kicker,.solar-scene.ss-wide .ss-savings-condition,.solar-scene.ss-wide .ss-savings-metric a{font-size:12px;line-height:1.45}
.ss-savings-metric a,.solar-scene.ss-wide .ss-savings-metric a{min-height:44px}
.solar-scene.ss-wide.is-night .ss-savings-credit{border-bottom-color:color-mix(in srgb,var(--ss-petrol) 17%,transparent)}
@media(max-width:680px),(max-height:620px){
.ss-chapters button{font-size:12px;min-height:44px}
.ss-controls{padding:15px 14px 10px}
.ss-readout .energy-chapters p,.ss-detail-copy{font-size:13px;line-height:1.45}
.ss-hotspot .ss-hotspot-name,.ss-hotspot .ss-hotspot-state{font-size:12px}
.ss-tag-text{font-size:11px}
.ss-savings{padding:12px}
.ss-savings-kicker{min-height:35px}
.ss-savings-label{font-size:12px;line-height:1.4}
.ss-optional{font-size:12px;min-height:40px}
}

/* A smaller pinned viewport retains the figures and activity controls. The full
   chapter explanations and optional storage answer remain reachable after it. */
.ss-copy-compact{display:none}
.solar-scene.ss-pin-compact .ss-copy-full{display:none}
.solar-scene.ss-pin-compact .ss-copy-compact{display:inline}
.solar-scene.ss-pin-compact .ss-topline{top:12px;left:12px;right:12px;gap:8px}
.solar-scene.ss-pin-compact .ss-chapters{flex:0 1 auto;max-width:calc(100% - 52px)}
.solar-scene.ss-pin-compact .ss-chapters button{min-height:44px;padding:7px 12px;font-size:12px}
.solar-scene.ss-pin-compact .ss-pause{flex-basis:46px;width:46px;height:46px}
.solar-scene.ss-pin-compact .ss-savings{--ss-credit-width:100%;--ss-cost-width:100%;--ss-number-height:68px;top:74px;left:18px;right:18px;width:auto;max-width:860px;padding:10px 12px;border-radius:14px}
.solar-scene.ss-pin-compact .ss-savings-metrics{grid-template-columns:1fr 1.12fr;gap:18px}
.solar-scene.ss-pin-compact .ss-savings-kicker{min-height:0;margin:0 0 4px;font-size:12px;line-height:1.35}
.solar-scene.ss-pin-compact .ss-savings-number{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:16px var(--ss-number-height);gap:0;min-height:calc(var(--ss-number-height) + 16px);margin:0 0 4px;font-size:clamp(32px,11vw,60px)}
.solar-scene.ss-pin-compact .ss-savings-number small{grid-row:1;justify-self:start;width:auto;font-size:12px;line-height:1.2}
.solar-scene.ss-pin-compact .ss-savings-credit .ss-savings-number{font-size:clamp(40px,13vw,62px)}
.solar-scene.ss-pin-compact .ss-number-slot[data-number="credit"],.solar-scene.ss-pin-compact .ss-number-slot[data-number="cost"],.solar-scene.ss-pin-compact .ss-number-slot[data-number="saving"]{grid-row:2;width:100%;min-width:0}
.solar-scene.ss-pin-compact .ss-savings-label{font-size:12px;line-height:1.35}
.solar-scene.ss-pin-compact .ss-savings-condition{margin-top:4px;font-size:12px;line-height:1.4}
.solar-scene.ss-pin-compact .ss-savings-metric>a,.solar-scene.ss-pin-compact .ss-metric-context>a,.solar-scene.ss-pin-compact .ss-savings-energy{display:none}
.solar-scene.ss-pin-compact .ss-controls{left:18px;right:18px;bottom:12px;width:auto;max-height:calc(100% - var(--ss-stats-bottom,280px) - 20px);padding:12px 14px 10px;border-radius:14px;overflow-y:auto;overscroll-behavior:auto}
.solar-scene.ss-pin-compact .ss-readout .energy-chapters>li{grid-template-columns:1fr;gap:0}
.solar-scene.ss-pin-compact .ss-readout .energy-chapters h3{grid-row:auto;font-size:16px;line-height:1.25;margin:0}
.solar-scene.ss-pin-compact .ss-readout .energy-chapters p{display:none}
.solar-scene.ss-pin-compact .ss-controls-foot{margin-top:8px;padding-top:7px}
.solar-scene.ss-pin-compact .ss-hotspots{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.solar-scene.ss-pin-compact .ss-hotspot{min-height:54px;padding:7px 9px;gap:1px 7px}
.solar-scene.ss-pin-compact .ss-hotspot .ss-hotspot-name,.solar-scene.ss-pin-compact .ss-hotspot .ss-hotspot-state{font-size:12px;line-height:1.3}
.solar-scene.ss-pin-compact .ss-optional{display:none}
.solar-scene.ss-pin-compact .ss-detail h3{font-size:16px;line-height:1.25}
.solar-scene.ss-pin-compact .ss-detail-copy{font-size:13px;line-height:1.45}
@media(max-width:680px){
.solar-scene.ss-pin-compact .ss-chapters{flex:1 1 auto}
.solar-scene.ss-pin-compact .ss-chapters button{flex:1 1 0;padding-inline:4px;white-space:normal}
.solar-scene.ss-pin-compact .ss-savings{left:12px;right:12px;padding:10px}
.solar-scene.ss-pin-compact .ss-savings-metrics{gap:12px}
.solar-scene.ss-pin-compact .ss-controls{left:12px;right:12px;padding:11px 12px 9px}
.solar-scene.ss-pin-compact .ss-readout .energy-chapters h3{font-size:15px}
}

/* Short desktop stages retain compact copy while giving the roof the left two
   thirds of the frame. Runtime also applies ss-wide for the camera fitting. */
.solar-scene.ss-wide-short .ss-savings{--ss-number-height:68px;top:74px;left:auto;right:22px;width:31%;max-width:420px;padding:12px}
.solar-scene.ss-wide-short .ss-savings-metrics{grid-template-columns:minmax(0,1fr);gap:14px}
.solar-scene.ss-wide-short .ss-savings-credit{padding-bottom:12px}
.solar-scene.ss-wide-short .ss-controls{left:18px;right:auto;bottom:12px;width:calc(65% - 22px);max-height:calc(100% - 92px)}
.solar-scene.ss-wide-short .solar-scene-fallback>svg{width:66%}

/* The scroll position supplies both steps: the numeral rises first, then its
   heading and context follow. Transforms keep the measured card space fixed. */
.ss-metric-heading,.ss-metric-context{display:flow-root;opacity:var(--ss-copy-opacity,1);transform:translateY(var(--ss-copy-rise,0px));transition:none}
.ss-number-fallback,.ss-savings-number small{opacity:var(--ss-number-opacity,1);transform:translateY(var(--ss-number-rise,0px));transition:none}
/* Keep exact fallback text available to assistive technology behind real meshes. */
.solar-scene.ss-has-number-mesh .ss-number-fallback{opacity:0}
.solar-scene[data-render=fallback] .ss-metric-heading,.solar-scene[data-render=fallback] .ss-metric-context,.solar-scene[data-render=fallback] .ss-number-fallback,.solar-scene[data-render=fallback] .ss-savings-number small{opacity:1;transform:none}
.ss-savings{border-color:color-mix(in srgb,color-mix(in srgb,var(--ss-petrol) 18%,white) calc(var(--ss-panel-opacity,1) * 100%),transparent)}
.solar-scene.ss-wide .ss-savings-credit,.solar-scene.ss-wide.is-night .ss-savings-credit{border-bottom-color:color-mix(in srgb,color-mix(in srgb,var(--ss-petrol) 17%,transparent) calc(var(--ss-panel-opacity,1) * 100%),transparent)}
.solar-scene[data-render=fallback] .ss-savings{--ss-panel-opacity:1!important}
@media(prefers-reduced-motion:reduce){
.solar-scene .ss-metric-heading,.solar-scene .ss-metric-context,.solar-scene .ss-number-fallback,.solar-scene .ss-savings-number small{opacity:1;transform:none}
.solar-scene .ss-savings{--ss-panel-opacity:1!important}
}

/* Stage selection stays at the top of the render window; the scroll rail is
   a separate scene child, so neither component moves when a hold starts. */
.ss-topline.ss-stage-nav{position:absolute;align-items:center;gap:8px}
.ss-topline.ss-stage-nav[hidden],.ss-topline.ss-stage-nav [hidden]{display:none!important}
.ss-stage-nav .ss-chapters{flex:0 1 460px;min-width:0;max-width:calc(100% - 52px);height:50px}
.ss-stage-nav .ss-chapters button{flex:1 1 0;min-width:0;min-height:44px;padding:5px 4px;font-size:12px;font-weight:600;line-height:1.2;white-space:nowrap}
.ss-stage-nav .ss-chapters button:hover{background:color-mix(in srgb,var(--ss-sage) 12%,white)}
.ss-stage-nav .ss-chapters button[aria-pressed=true],.ss-stage-nav .ss-chapters button[aria-pressed=true]:hover{color:#fff;background:var(--ss-petrol)}
.ss-stage-nav .ss-pause{flex:0 0 44px;width:44px;height:44px;min-height:44px;color:var(--ss-petrol)}
.ss-stage-nav button:focus-visible{outline:2px solid var(--ss-amber);outline-offset:-3px}
.ss-viewport>.ss-scene-progress{position:absolute;z-index:6;left:0;right:0;bottom:0;height:4px;border-radius:0;background:color-mix(in srgb,var(--ss-sage) 18%,white)}
.ss-scene-progress i{background:var(--ss-amber)}
/* Exact static digits match the orange physical faces; qualifiers stay navy. */
.ss-number-fallback{color:var(--ss-amber);-webkit-text-stroke:.6px var(--ss-petrol)}

/* One grid for each benefit: physical number first, framed meaning beneath it.
   The scene retains its own left column; the figures never float over the roof. */
.solar-scene .ss-savings{padding:0;border:0;border-radius:0;background:none}
.solar-scene:not(.ss-has-number-mesh) .ss-savings{background:none}
.solar-scene .ss-savings-metrics{gap:20px;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
.solar-scene .ss-savings-metric{display:flex;flex-direction:column;padding:0;border:0}
.solar-scene .ss-savings-number{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:0 14px;margin:0 0 10px;min-height:0}
.solar-scene .ss-savings-number small{width:auto;min-height:16px;font-size:12px;line-height:16px;order:-1}
.solar-scene .ss-savings-cost .ss-savings-number small{order:1}
.solar-scene .ss-number-slot[data-number]{width:min(var(--ss-credit-width),100%);height:var(--ss-number-height);flex:none}
.solar-scene .ss-number-slot[data-number=cost]{width:min(var(--ss-cost-width),100%)}
.solar-scene .ss-metric-context{flex:1;padding:12px 14px;border:1px solid color-mix(in srgb,var(--ss-petrol) 18%,white);border-radius:12px;background:#f5f9fc}
.solar-scene .ss-metric-heading{margin:0 0 6px;min-height:0;opacity:1;transform:none;font-size:14px;font-weight:650;line-height:1.3}
.solar-scene .ss-savings-label{font-size:13px;line-height:1.4}
.solar-scene .ss-savings-condition{margin:6px 0 0;font-size:12px;line-height:1.4;max-width:none}
.solar-scene .ss-metric-context a{margin-top:4px;min-height:36px;font-size:12px}
.solar-scene.ss-wide .ss-savings{--ss-number-height:100px;top:88px;right:24px;width:29%;max-width:420px}
.solar-scene.ss-wide .ss-savings-metrics{grid-template-columns:minmax(0,1fr);gap:18px}
.solar-scene.ss-wide .ss-savings-credit,.solar-scene.ss-wide.is-night .ss-savings-credit{border:0;padding:0}
.solar-scene.ss-wide-short .ss-savings{--ss-number-height:84px;top:74px;right:22px;width:31%}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings{--ss-number-height:64px;--ss-credit-width:160px;--ss-cost-width:245px;top:74px;left:12px;right:12px;padding:0}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings-metrics{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:12px}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings-number{padding-inline:10px;margin-bottom:6px;gap:2px}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-metric-context{padding:10px;border-radius:10px}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-metric-heading{font-size:12px;line-height:1.3}
.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings-label,.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings-condition{font-size:11px;line-height:1.35}
@media(max-height:620px) and (min-width:1048px){
.solar-scene.ss-wide-short .ss-savings{--ss-number-height:66px}
.solar-scene.ss-wide-short .ss-metric-context{padding-block:10px}
.solar-scene.ss-wide-short .ss-metric-heading{font-size:13px}
}

/* The qualifier and number need breathing room inside the white backing,
   including the two-column layout immediately beneath the stage tabs. */
.solar-scene .ss-savings,.solar-scene.ss-wide .ss-savings,.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings{padding:12px;border-radius:14px}
.solar-scene .ss-savings-number,.solar-scene.ss-wide .ss-savings-number,.solar-scene.ss-pin-compact .ss-savings-number{margin-bottom:12px}
@media(max-width:420px){.solar-scene.ss-pin-compact:not(.ss-wide) .ss-savings{padding:8px}}

/* The concept note and scroll preference follow the complete pinned story. */
.model-meta-after-story{max-width:1392px;margin:8px 24px 0;min-height:44px;color:var(--petrol)}
.model-meta-after-story .model-note{font-size:10px;line-height:1.4}
@media(max-width:780px){.model-meta-after-story{margin-inline:17px}.model-meta-after-story .model-note{font-size:9px}}