/* Responsive layout: flowing grid replaces fixed hero coordinates. */
:root{--gutter:clamp(20px,3.4vw,56px)}.container{width:100%;max-width:1500px;padding-inline:var(--gutter)}
.hero,.hero-inner{min-height:0;height:auto;overflow:visible}.hero{overflow:hidden}.hero-inner{display:block}.hero-topline{padding-top:28px}.hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,70px);align-items:center;padding:48px 0 38px}.hero-copy{margin:0;max-width:none;min-width:0}.hero-copy h1{font-size:clamp(44px,4.45vw,68px);max-width:none;line-height:1.1;letter-spacing:-2.5px;overflow-wrap:normal}.hero-copy p{font-size:16px;max-width:430px;min-height:0;line-height:1.7}.hero-actions{gap:18px;flex-wrap:wrap;max-width:none}.hero-actions .btn{min-height:48px;font-size:14px}.hero-actions .text-link{font-size:14px}.hero-stage{min-width:0;position:relative;display:grid;gap:16px;align-self:center}.hero-stage .scene-gallery{position:relative;inset:auto;width:100%;height:auto;aspect-ratio:1.55;border-radius:12px;transform:none}.hero-stage .scene-gallery:hover{transform:none}.scene-window-bar{font-size:10px;min-height:40px;padding:12px 14px}.hero-stage .scene-image{inset:40px 0 0;width:100%;height:calc(100% - 40px);object-fit:cover;object-position:65% 55%}.hero-stage .energy-topology{position:relative;inset:auto;width:100%;height:150px}.hero-stage .scene-annotation{position:absolute;top:52px;right:12px;bottom:auto;padding:6px 8px;z-index:6}.motion-toggle{min-height:36px;min-width:36px}.hero-bottom{margin:0;gap:24px;flex-wrap:wrap}.hero-specs{flex:1;gap:30px}.hero-specs small{font-size:12px;min-height:0}.hero-specs strong{font-size:25px;white-space:normal}.hero-specs>div{padding-right:30px}.hero-topline{font-size:11px}.scene-annotation span{font-size:10px}.energy-route{flex-shrink:0}.scenario-btn{min-width:0;min-height:96px}.scenario-btn>span{min-width:0}.scenario-btn b{white-space:normal;font-size:15px}.scenario-btn small{font-size:10px}.scenario-btn img{flex-shrink:0;width:60px;height:48px}.mobile-menu{display:none}.navin{gap:24px}.nav-actions{display:contents}
.workspace-toolbar{gap:16px}.workspace-tabs{min-width:0}.workspace-tabs button{min-height:46px;font-size:14px}.project-price{flex-shrink:0}.project-price span{font-size:12px}.section-head h2{line-height:1.25}.project-layout{grid-template-columns:minmax(0,1fr) 320px}.project-item{min-width:0}.project-item>div:first-child{min-width:0}.project-item b,.cart-item b{overflow-wrap:anywhere}.project-item small{font-size:13px}.project-item>.btn{min-width:40px;min-height:40px}.qty button{min-width:40px;min-height:40px}.qty b{min-width:26px}.project-summary .ps{display:flex;width:100%;margin:0}.project-summary .btn{white-space:normal;min-height:46px}.calc-body{grid-template-columns:minmax(0,1fr)}.energy-card{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px;border-left:0;border-top:1px solid var(--line);padding:24px 0 0;min-width:0}.energy-card h3,.energy-card .advice{grid-column:1/-1}.energy-card .energy-line{display:flex;width:auto;margin:0;min-width:0;font-size:14px}.tablewrap{max-width:100%;overscroll-behavior-x:contain}.tablewrap table{min-width:790px}.tablewrap th{font-size:12px}.tablewrap input,.tablewrap select{font-size:16px;min-height:42px}.tablewrap td:first-child{width:23%}.field label{font-size:14px;min-height:0}.field input,.field select{min-height:46px}.advanced summary{min-height:48px}.advanced summary span{font-size:13px}.results{grid-template-columns:repeat(6,minmax(0,1fr))}.result{min-width:0}.result span{font-size:13px;line-height:1.4;min-height:38px}.result strong{font-size:30px;overflow-wrap:anywhere}.result small{font-size:12px}.products{grid-template-columns:repeat(3,minmax(0,1fr))}.product{min-width:0}.product h3{overflow-wrap:anywhere}.product-body{padding:22px}.pactions{flex-wrap:wrap}.pactions .btn{min-height:44px;min-width:95px}.desc{font-size:14px}.spec b{font-size:14px}.spec span{font-size:12px}.shopbar{align-items:stretch}.search{min-width:0}.search input,.select{min-height:46px;font-size:14px}.preset{min-height:38px;font-size:13px}.story-heading p,.story-chapter p{font-size:16px}.story-chapter{min-width:0}.story-heading h2{font-size:clamp(34px,3.25vw,49px)}.kits{grid-template-columns:repeat(3,minmax(0,1fr))}.kit{min-width:0}.kit .btn{min-height:46px;white-space:normal}.kit:nth-child(4),.kit:nth-child(5){grid-column:auto}.kit p,.kit li{font-size:14px}.foot,.footer-top{min-width:0}.cart-item{min-width:0}.cart-item>div:first-child{min-width:0}.drawer-panel{padding-bottom:max(24px,env(safe-area-inset-bottom))}.cart-items{flex:1;align-content:start;padding-bottom:18px}.btn,.iconbtn,.preset,.tab{touch-action:manipulation}.toast{bottom:max(20px,env(safe-area-inset-bottom))}
@media(min-width:1650px){.hero-layout{padding-block:62px 48px}.hero-copy h1{font-size:72px}.container{max-width:1540px}.hero-stage .scene-gallery{aspect-ratio:1.6}.hero-stage .energy-topology{height:160px}}
@media(max-width:1150px){.hero-layout{gap:30px}.hero-copy h1{font-size:clamp(40px,4.6vw,55px)}.hero-specs{gap:20px}.hero-specs>div{padding-right:20px}.hero-specs strong{font-size:23px}.energy-route{display:none}.scenario-btn{padding:16px 10px;gap:10px}.scenario-btn img{width:48px;height:44px}.scenario-btn b{font-size:14px}.scenario-btn i{display:none}.project-layout{grid-template-columns:minmax(0,1fr) 285px;gap:20px}.project-summary{padding-left:20px}.project-item{padding:16px 12px;gap:8px}.project-item b{font-size:14px}.results{grid-template-columns:repeat(3,minmax(0,1fr))}.result{border-bottom:1px solid var(--line);border-right:1px solid var(--line)}.result:nth-child(3n){border-right:0}.result:nth-last-child(-n+3){border-bottom:0}.products{grid-template-columns:repeat(2,minmax(0,1fr))}.story-layout{gap:45px}.energy-card{grid-template-columns:repeat(2,minmax(0,1fr))}.project-price span{display:none}}
@media(max-width:900px){.hero-layout{grid-template-columns:minmax(0,1fr);gap:30px;padding-block:32px}.hero-copy h1{font-size:clamp(43px,6.5vw,62px);max-width:690px}.hero-copy p{max-width:580px}.hero-stage{width:100%;max-width:700px;justify-self:center}.hero-stage .scene-gallery{aspect-ratio:1.85}.hero-stage .energy-topology{height:140px}.hero-actions{margin-top:24px}.hero-specs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:15px}.hero-specs>div{padding-right:15px}.scenario-switch{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario-btn{padding:17px;min-height:80px}.scenario-btn img{width:58px;height:46px}.scenario-btn i{display:block}.scenario-btn b{font-size:15px}.project-layout{grid-template-columns:minmax(0,1fr)}.project-summary{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}.project-summary .ps{display:flex;width:100%}.workspace-heading{gap:25px}.workspace-heading h2{font-size:39px}.workspace-toolbar{flex-wrap:wrap}.workspace-tabs{flex:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.workspace-tabs button{padding-inline:12px}.project-price{margin-left:auto}.section-head{display:block}.section-head p{max-width:100%;margin-top:12px}.kits{grid-template-columns:repeat(2,minmax(0,1fr))}.story-chapters{padding-left:24px}.story-heading p,.story-chapter p{font-size:15px}.story-chapter h3{font-size:29px}.hero-stage .topology-node{min-width:118px}.links{gap:20px;font-size:13px}.logo{font-size:23px}.brand-sub{display:none}}
@media(max-width:760px){.nav{height:70px}.navin{gap:12px}.links{display:none}.mobile-menu{display:block;margin-left:auto;position:relative}.mobile-menu summary{display:grid;place-items:center;list-style:none;cursor:pointer;width:44px;height:44px;border:1px solid #ffffff25;border-radius:7px;color:#e6d0bc;font-size:22px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu-panel{position:absolute;top:54px;right:-106px;width:min(320px,calc(100vw - 32px));background:#17110d;border:1px solid #61432c;border-radius:10px;box-shadow:0 18px 40px #0007;padding:8px;display:grid}.mobile-menu-panel a{display:block;padding:14px 16px;font-size:15px;border-radius:6px}.mobile-menu-panel a:hover{background:#342214}.cart-button{min-height:44px;font-size:13px;padding:9px 12px;gap:10px}.cart-button span:last-child{display:none}.story-layout{grid-template-columns:1fr;gap:28px}.story-heading{position:static;padding-top:0}.story-heading p{max-width:550px}.story-meter{display:none}.story-chapters{margin-left:3px}.story-chapter{min-height:220px;padding-top:25px;padding-bottom:25px}.story-chapter:before{top:29px}.story-chapter p{max-width:520px}.story-heading h2{font-size:40px}.energy-story{padding-top:55px}.workspace{padding-top:40px}.workspace-heading{display:block;margin-bottom:26px}.workspace-heading p{margin-top:16px}.workspace-toolbar{display:block;padding:8px}.workspace-tabs button{font-size:14px;min-height:46px;padding:10px 4px;white-space:normal}.workspace-tabs button small{display:none}.project-price{display:flex;justify-content:space-between;padding:14px 8px 4px}.project-price span{display:block}.project-price b{font-size:19px}.calc-top{grid-template-columns:repeat(2,minmax(0,1fr))}.energy-card{grid-template-columns:minmax(0,1fr)}.energy-card .energy-line{font-size:14px}.result strong{font-size:27px}.result span{font-size:12px}.advanced summary span{display:block;margin:5px 0 0 14px;max-width:none}.tablewrap{border:0;border-radius:0;overflow:visible}.tablewrap table,.tablewrap tbody{display:block;min-width:0;width:100%}.tablewrap thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.tablewrap tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;position:relative;border:1px solid #513722;background:#17100c;border-radius:10px;padding:15px;margin-bottom:14px}.tablewrap td{display:block;min-width:0;padding:0;border:0;width:auto!important;font-size:15px}.tablewrap td:before{content:attr(data-label);display:block;font-size:12px;line-height:1.35;color:#b39880;margin-bottom:7px}.tablewrap td:first-child{grid-column:1/-1;padding-right:44px}.tablewrap td:last-child{position:absolute;right:10px;top:26px;width:40px!important}.tablewrap td:last-child:before{display:none}.tablewrap td:last-child button{width:40px;height:44px;font-size:23px;padding:0;background:transparent;border:0}.tablewrap input,.tablewrap select,.tablewrap td:first-child input{min-width:0;width:100%;font-size:16px;min-height:44px;padding:10px}.tablewrap td:nth-child(8){display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.tablewrap .status{font-size:14px;min-height:32px}.tablewrap td:nth-child(7){font-size:19px}.blockhead{gap:10px}.blockhead .btn{min-height:44px}.presets{gap:7px}.preset{font-size:12px;min-height:40px}.field label{font-size:13px;min-height:36px}.field input{font-size:16px}.shopbar{flex-wrap:wrap}.search{flex:1 1 100%}.select{width:100%;max-width:none;font-size:14px}.tab{min-height:42px;font-size:13px}.search input{font-size:16px}.chart-caption{font-size:12px;flex-wrap:wrap;gap:12px}.chart-caption small{font-size:12px}.product-body{padding:18px}.product h3{font-size:18px}.desc{font-size:14px}.pactions{flex-direction:column}.pactions button{width:100%}.footer-top .logo{font-size:22px}.footer-top>a:last-child{font-size:14px}.copyright{font-size:12px;line-height:1.6}}
@media(max-width:560px){:root{--gutter:16px}.hero-topline{font-size:10px;letter-spacing:.6px;gap:10px;padding-top:21px}.hero-topline span:first-child{max-width:240px}.hero-layout{padding-top:24px;gap:24px}.hero-copy h1{font-size:clamp(36px,9.5vw,49px);letter-spacing:-1.6px;line-height:1.12}.hero-copy h1 em{letter-spacing:-1.6px}.hero-copy p{font-size:16px;max-width:none;min-height:0}.eyebrow{font-size:12px;margin-bottom:16px}.hero-actions{gap:14px;margin-top:23px}.hero-actions .btn{font-size:14px;min-height:48px;flex:1 1 100%}.hero-actions .text-link{font-size:14px;padding:6px 0}.hero-stage{gap:12px}.hero-stage .scene-gallery{aspect-ratio:1.35}.scene-window-bar{font-size:9px;padding:12px 10px}.scene-window-bar span:last-child{display:none}.hero-stage .scene-annotation{top:47px;right:7px;padding:3px 5px;gap:8px}.scene-annotation span{font-size:9px}.hero-stage .energy-topology{height:154px}.hero-stage .topology-node{min-width:100px;max-width:46%;padding:9px}.topology-node small{font-size:9px;letter-spacing:.3px}.topology-node b{font-size:13px}.topology-node span{font-size:12px}.hero-bottom{padding-top:20px;padding-bottom:22px}.hero-specs{gap:9px}.hero-specs>div{padding-right:5px}.hero-specs small{font-size:11px;line-height:1.35;min-height:30px}.hero-specs strong{font-size:clamp(17px,4.8vw,22px);letter-spacing:-.5px;margin-top:5px}.scenario-switch{padding-inline:var(--gutter)}.scenario-btn{padding:14px 7px;gap:9px;min-height:84px}.scenario-btn img{width:42px;height:42px}.scenario-btn small{font-size:9px;letter-spacing:.3px}.scenario-btn b{font-size:13px;line-height:1.4}.scenario-btn i{display:none}.workspace-heading h2{font-size:34px}.workspace-heading p{font-size:14px}.workspace-tabs button{font-size:13px}.builder{padding:20px 14px}.section-head h2{font-size:26px}.section-head p{font-size:14px}.project-context{gap:8px;flex-wrap:wrap}.project-context span:last-child{font-size:12px}.project-item{grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:15px}.project-item>div:first-child{grid-column:1/-1;padding-right:34px}.project-item{position:relative}.project-item>.btn{position:absolute;right:6px;top:7px}.project-item .qty{grid-column:1/-1;justify-self:start;gap:8px}.project-item b{font-size:15px}.qty button{min-width:44px;min-height:44px}.project-summary .ps{font-size:14px}.compat{font-size:13px}.results{grid-template-columns:repeat(2,minmax(0,1fr))}.result{border-right:1px solid var(--line)!important;border-bottom:1px solid var(--line)!important;padding:15px 10px}.result:nth-child(2n){border-right:0!important}.result:nth-last-child(-n+2){border-bottom:0!important}.result span{font-size:12px;min-height:34px}.result strong{font-size:29px}.result small{font-size:11px}.calc-top{padding-inline:12px;gap:15px 12px}.field label{font-size:12px;min-height:36px}.field input{padding:10px}#calculator .calc-shell{padding:0 12px 20px}#calculator .section-head,#catalog .section-head{padding:22px 15px}.tablewrap tr{gap:14px 10px;padding:12px}.tablewrap td:first-child{padding-right:34px}.tablewrap td:last-child{right:4px;top:22px}.tablewrap td:before{font-size:12px}.tablewrap input,.tablewrap select{padding:9px 7px}.tablewrap td:last-child button{min-width:36px}.chart{height:220px}.chart-caption small{margin-left:0}.products,.kits{grid-template-columns:minmax(0,1fr)}.pactions{flex-direction:row}.product-media{height:170px}.product-body{padding:22px}.product h3{font-size:21px}.product-reading strong{font-size:61px}.p-badge,.p-brand{font-size:12px}.specrow{gap:10px}.desc{min-height:0}.story-heading h2{font-size:36px}.story-heading p,.story-chapter p{font-size:15px}.story-chapter{opacity:1}.story-chapter h3{font-size:29px}.story-chapters{padding-left:21px}.chapter-label{font-size:10px}.chapter-number{font-size:12px}.story-chapter:before{left:-24px}.method-note p{font-size:14px}.method-note small{font-size:12px}.kit-tag{font-size:12px}.kit li{font-size:14px}.kit .btn{width:100%;font-size:14px}.drawer-panel{padding:20px 16px max(20px,env(safe-area-inset-bottom))}.cart-item{grid-template-columns:minmax(0,1fr);padding:16px;gap:14px}.cart-item b{font-size:15px}.cart-item .qty{justify-self:start}.cart-item small{font-size:13px}.cart-total .btn{min-height:48px}.drawer-head .iconbtn{min-width:44px;min-height:44px}.dialog-actions{gap:12px}.dialog-actions .btn{min-height:46px}}
@media(max-width:360px){.logo{font-size:20px}.brand-symbol{font-size:28px}.navin{gap:8px}.cart-button{padding:8px;gap:7px;font-size:12px}.mobile-menu-panel{right:-91px}.hero-copy h1{font-size:35px}.hero-topline span:first-child{max-width:215px}.scenario-btn img{display:none}.scenario-btn{min-height:72px}.scenario-btn b{font-size:14px}.workspace-tabs button{font-size:12px}.scene-window-bar{letter-spacing:0}.hero-stage .topology-node{min-width:94px}.tablewrap tr{padding:10px}.pactions .btn{font-size:12px;min-width:0}}
/* Desktop and handheld compositions share one set of controls and state. */
.mobile-scenario-slot{display:none}.hero-stage .scene-annotation{top:49px;right:10px;bottom:auto}
.hero-layout{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);padding-block:40px 32px}
.hero-copy h1{font-size:clamp(42px,4.1vw,65px);line-height:1.13}.hero-copy p{max-width:400px}.hero-stage .scene-gallery{aspect-ratio:1.7}
.hero-stage .energy-topology{height:136px}.hero-specs{max-width:790px}.hero-specs>div{flex:1}.hero-specs small{color:#b49d87}
.hero-bottom{padding-block:22px}.hero-topline{padding-top:25px}.hero-stage .scene-image{object-position:center 57%}
.project-summary{align-self:start;position:sticky;top:104px}.project-layout{align-items:start}.project-list{gap:12px}.project-item{min-height:95px}.project-item .qty{flex-shrink:0}
.project-summary .ps strong{font-variant-numeric:tabular-nums}.project-price b,.result strong,.price strong,.qty b{font-variant-numeric:tabular-nums}
.workspace-heading{margin-bottom:30px}.workspace-toolbar{padding:12px 16px}.workspace-tabs button{padding:13px 20px}.builder{padding:30px}.section-head{align-items:start}.section-head p{max-width:440px}
.products{align-items:stretch}.product-body{gap:0}.product h3{min-height:2.5em}.specrow{margin-block:18px}.price-row{padding-top:8px}.pactions{margin-top:18px}.pactions .btn{font-size:14px}
#kits .kits{grid-template-columns:repeat(6,minmax(0,1fr))}.kit{grid-column:span 2!important}.kit:nth-last-child(-n+2){grid-column:span 3!important}.kit li{line-height:1.5}.kit-price{padding-top:14px}
.advanced summary{padding:17px 20px}.calc-top{padding-block:8px 24px}.load-card .presets{margin-bottom:20px}.status{font-variant-numeric:tabular-nums}.energy-card .advice{max-width:100%}
.cart-item{padding:18px;align-items:center}.cart-items{scrollbar-gutter:stable}.cart-total{flex-shrink:0;padding-top:20px;padding-bottom:4px;background:#17100c}.cart-total strong{font-variant-numeric:tabular-nums}
@media(min-width:1450px){.hero-copy h1{font-size:65px}.hero-layout{gap:65px}.hero-stage .scene-gallery{aspect-ratio:1.75}.hero-stage .energy-topology{height:145px}.workspace-heading h2{font-size:49px}}
@media(min-width:901px) and (max-width:1100px){.hero-layout{gap:26px}.hero-copy h1{font-size:43px;letter-spacing:-1.6px}.hero-copy h1 em{letter-spacing:-1.6px}.hero-actions .text-link{font-size:13px}.hero-stage .scene-gallery{aspect-ratio:1.42}.hero-stage .energy-topology{height:146px}.hero-stage .topology-node{min-width:105px}.navin{gap:18px}.links{gap:20px}.scenario-btn small{font-size:9px}.scenario-btn img{width:42px}}
@media(max-width:900px){.hero-layout{grid-template-columns:minmax(0,1fr);padding-block:30px;gap:27px}.hero-copy h1{max-width:700px;font-size:clamp(44px,6.4vw,59px)}.hero-copy p{max-width:560px}.hero-stage{max-width:680px}.hero-stage .scene-gallery{aspect-ratio:1.9}.project-summary{position:static}.builder{padding:24px}.workspace-tabs button{padding:12px}.section-head p{max-width:100%}.hero-specs{max-width:none}.hero-specs>div{min-width:0}.hero-stage .energy-topology{height:140px}#kits .kits{grid-template-columns:repeat(2,minmax(0,1fr))}.kit,.kit:nth-last-child(-n+2){grid-column:auto!important}.kit:last-child{grid-column:1/-1!important}}
@media(max-width:760px){.mobile-scenario-slot{display:block}.mobile-scenario-slot .scenario-switch{padding:0;max-width:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mobile-scenario-slot .scenario-btn{min-height:55px;padding:10px 12px;border:1px solid #4f372588;background:#17110dbd;border-radius:7px;gap:8px}.mobile-scenario-slot .scenario-btn.active{border-color:#ed8c3b;background:#42291477}.mobile-scenario-slot .scenario-btn:after{display:none}.mobile-scenario-slot .scenario-btn small,.mobile-scenario-slot .scenario-btn img,.mobile-scenario-slot .scenario-btn i{display:none}.mobile-scenario-slot .scenario-btn b{font-size:14px;font-weight:500}.mobile-scenario-slot .scenario-btn.active b:before{content:'✓';color:#ffad61;margin-right:8px}.hero-stage{gap:12px}.hero-copy h1{font-size:46px}.hero-stage .scene-gallery{aspect-ratio:1.75}.hero-stage .scene-annotation{top:46px;right:7px}.hero-bottom{padding-top:18px}.hero-topline{padding-top:18px}.hero-layout{padding-top:24px;padding-bottom:22px}.energy-story{padding-top:40px}.story-heading .kicker{margin-bottom:12px}.story-heading h2{margin-block:16px}.story-chapter{min-height:0;padding-block:26px}.story-chapter h3{margin-block:14px}.story-chapters{margin-top:25px}.workspace-toolbar{padding:8px}.workspace-tabs button{padding:10px 3px}.workspace-heading{margin-bottom:23px}.project-price{padding:13px 7px 5px}.project-item{min-height:0}.products{gap:14px}.product h3{min-height:0}.product-media{height:150px}.cart-item{grid-template-columns:1fr}.cart-item .qty{justify-self:start}.cart-total{padding-top:17px}.cart-total>div{margin-bottom:17px}.drawer-head{padding-bottom:15px;border-bottom:1px solid #5f4127}.cart-items{margin-top:18px}}
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