:root{--line:#dbe2e7;--blue:#087eae;--ink:#182e3c;--muted:#61717c}html{scroll-behavior:smooth;scroll-padding-top:105px}section[id],.section-anchor{scroll-margin-top:100px}[hidden]{display:none!important}.system-selector{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);margin:0 0 22px;background:#fff}.system-selector button{position:relative;background:transparent;border:0;border-right:1px solid var(--line);padding:18px 20px;text-align:left;color:var(--ink);cursor:pointer;display:grid;grid-template-columns:24px 1fr;gap:5px 12px}.system-selector button:last-child{border:0}.system-selector button>span{font-size:12px;color:#7b8c96;grid-row:span 2;padding-top:2px}.system-selector strong{font-size:16px;font-weight:550}.system-selector small{font-size:13px;color:var(--muted)}.system-selector button[aria-selected=true]{background:#f0f6fa;box-shadow:inset 0 -3px var(--blue)}.system-selector button:hover{background:#f6f9fb}.ahu-detail{display:grid!important;grid-template-columns:225px 1fr;gap:15px 44px!important;padding:30px 0!important}.ahu-detail-menu{grid-column:1;grid-row:1/3;display:flex!important;flex-direction:column;align-items:stretch;gap:4px!important}.ahu-detail-menu button{padding:9px 12px!important;text-align:left;font-size:14px!important}.ahu-detail-copy{grid-column:2;grid-row:1}.ahu-detail-copy h3{font-size:27px!important}.ahu-detail-copy p{max-width:800px;font-size:16px!important}.ahu-control-bar{grid-column:2;grid-row:2;display:block!important;border:0!important;padding:0!important;min-height:0!important}.ahu-control-bar>span{display:none}.ahu-modes{justify-content:flex-start}.ahu-modes button{font-size:14px!important;padding:8px 14px!important}.ahu-control-bar p{margin:8px 0 0!important;font-size:13px!important}.ahu-benefits{display:flex;flex-wrap:wrap;gap:6px 24px;margin:14px 0 18px;padding:0;list-style:none;color:#345d72;font-size:14px}.ahu-benefits li:before{content:'✓';color:#138091;margin-right:8px}.ahu-assembly,.system-navigation{display:none!important}.ahu-heading h2{max-width:700px}.building-title{display:flex;justify-content:space-between;gap:24px;align-items:center;margin:24px 0 20px}.building-title h2{font-size:clamp(24px,2.5vw,35px);line-height:1.2;letter-spacing:-.04em;font-weight:500;margin:5px 0}.building-title .overline{font-size:12px}.model-view-actions{display:flex;gap:6px;flex-wrap:wrap}.model-view-actions button,.building-panel-top button{background:#fff;border:1px solid var(--line);padding:9px 12px;color:var(--ink);font:inherit;font-size:13px;cursor:pointer}.model-view-actions [aria-pressed=true]{border-color:var(--blue);color:var(--blue);background:#eef7fa}.building-exhibit{display:grid;grid-template-columns:minmax(0,1fr) 290px;border:1px solid var(--line);background:#f4f7f9}.building-viewport{position:relative;height:570px;min-width:0;background:radial-gradient(ellipse at 50% 25%,#fff,#f0f4f7 85%);overflow:hidden}.building-viewport canvas{width:100%;height:100%;display:block;touch-action:pan-y}.building-details{background:#fff;border-left:1px solid var(--line);padding:20px 18px;min-width:0}.building-panel-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.building-panel-top span{font-size:11px;letter-spacing:.08em;color:var(--muted)}.building-panel-top button{font-size:12px;padding:6px 8px}.building-parts{display:flex;flex-direction:column;gap:2px;max-height:285px;overflow:auto;scrollbar-width:thin;padding-right:5px}.building-parts button{display:flex;gap:10px;align-items:baseline;background:transparent;border:0;border-bottom:1px solid #edf0f2;text-align:left;padding:9px 8px;font:inherit;font-size:14px;font-weight:400;line-height:1.3;color:#39505e;cursor:pointer}.building-parts button>span{font-size:11px;color:#8c9ba4;flex:0 0 18px}.building-parts [aria-pressed=true]{background:#eff7fb;color:#006f9b;border-color:#d2e5ed}.building-description{padding-top:19px;border-top:1px solid var(--line);margin-top:16px}.building-description>span{color:var(--blue);font-size:11px;letter-spacing:.08em}.building-description h3{font-weight:500;line-height:1.3;font-size:19px;margin:8px 0}.building-description p{font-size:14px;line-height:1.6;margin:0;color:var(--muted)}.building-foot{display:flex;justify-content:space-between;align-items:baseline;gap:20px;font-size:12px;line-height:1.5;color:var(--muted);padding:12px 0}.building-foot p{max-width:800px;margin:0}.building-foot a{color:var(--blue);white-space:nowrap}.model-pin{position:absolute;border:1px solid #b3c7d3;background:#fffffff0;color:#285776;font-size:11px;cursor:pointer;padding:4px 7px;border-radius:3px;transform:translate(-50%,-50%);box-shadow:0 2px 5px #30404f08;white-space:nowrap;max-width:170px;overflow:hidden;text-overflow:ellipsis}.model-pin.selected{background:#087eae;color:#fff;border-color:#087eae;z-index:3}.model-legend{position:absolute;left:20px;bottom:18px;display:flex;gap:12px;flex-wrap:wrap;max-width:75%;font-size:11px;color:#617681;pointer-events:none}.model-legend span{display:flex;align-items:center;gap:5px}.model-legend i{display:inline-block;width:17px;height:3px;background:var(--legend)}.model-drag-hint{position:absolute;left:20px;top:9px;font-size:11px;letter-spacing:.03em;color:#81939f;pointer-events:none}.portfolio-section{padding-top:30px;padding-bottom:50px}.featured-project img,.portfolio-item img,#full-photo{filter:saturate(.68) contrast(1.025) brightness(1.025)}.projects-section .featured-project.feature-main{background:#e3ebef}.company-requisites{border-top:1px solid var(--line);margin-top:28px}.company-requisites>summary{padding:20px 0;cursor:pointer;font-size:18px}.company-requisites .requisites-layout{padding-top:20px}.production-inline{padding-top:10px!important}.production-inline .production-product-grid article{padding:22px 20px}.production-inline h3{font-size:20px!important}.production-inline p{font-size:15px}.journey{border:1px solid var(--line);background:#fff}.journey-picture{height:410px;position:relative;overflow:hidden;background:#f2f5f6}.journey-picture>img{width:100%;height:100%;object-fit:cover;object-position:center 51%;transition:transform 1.8s ease}.journey-picture[data-scene="0"]>img{transform:scale(1.025);transform-origin:15% 50%}.journey-picture[data-scene="1"]>img{transform:scale(1.06);transform-origin:43% 50%}.journey-picture[data-scene="2"]>img{transform:scale(1.05);transform-origin:70% 50%}.journey-picture[data-scene="3"]>img{transform:scale(1.04);transform-origin:95% 50%}.journey-focus{position:absolute;bottom:0;left:0;width:25%;height:4px;background:var(--blue);transition:left 1.2s ease}.journey-picture[data-scene="1"] .journey-focus{left:25%}.journey-picture[data-scene="2"] .journey-focus{left:50%}.journey-picture[data-scene="3"] .journey-focus{left:75%}.journey-caption{position:absolute;left:22px;right:22px;top:18px;display:flex;justify-content:space-between;align-items:center;gap:20px}.journey-caption>span{font-size:11px;letter-spacing:.12em;background:#ffffffeb;padding:8px 10px;color:#49616e}.journey-caption button{padding:9px 13px;border:1px solid var(--line);font:inherit;font-size:13px;background:#fffffff0;color:var(--ink);cursor:pointer}.journey-steps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line)}.journey-steps button{border:0;border-right:1px solid #e5ebef;border-bottom:1px solid #e5ebef;background:#fff;font:inherit;font-size:14px;color:#607784;padding:13px 14px;text-align:left;cursor:pointer}.journey-steps button[aria-selected=true]{background:#edf6fa;color:#007aa7;box-shadow:inset 0 -2px #087eae}.journey-detail{display:grid;grid-template-columns:55px 1.6fr 1fr;gap:24px;padding:28px 32px;min-height:190px}.journey-detail>span{font-size:12px;color:var(--blue);padding-top:6px}.journey-detail h3{font-size:25px;font-weight:500;letter-spacing:-.03em;margin:0 0 12px}.journey-detail p{font-size:15px;color:var(--muted);line-height:1.6;margin:0}.journey-result{border-left:1px solid var(--line);padding-left:25px}.journey-result small{font-size:11px;color:var(--blue);letter-spacing:.07em;display:block;margin-bottom:14px}.inline-calculators{border:1px solid var(--line);background:#fff}.calculator-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 18px;gap:26px}.calculator-tabs button{border:0;background:transparent;padding:18px 3px;font:inherit;font-size:16px;color:#607784;cursor:pointer}.calculator-tabs button[aria-selected=true]{color:var(--blue);box-shadow:inset 0 -2px var(--blue)}#calculator-frame{border:0;width:100%;height:580px;display:block;background:#fff}.calculator-hint{font-size:13px;color:var(--muted);margin:0;padding:12px 25px;border-top:1px solid var(--line)}.engineering-section .section-head{margin-bottom:28px}.site-header{z-index:50}.climate-intro{padding-bottom:35px!important}.section{padding-top:75px;padding-bottom:75px}.section-head h2{font-size:clamp(30px,3.7vw,52px)}
@media(max-width:1100px){.system-selector button{padding:14px 12px;grid-template-columns:18px 1fr;gap:5px}.system-selector strong{font-size:14px}.system-selector small{font-size:12px}.building-exhibit{grid-template-columns:minmax(0,1fr) 255px}.building-viewport{height:530px}.model-view-actions{max-width:250px}.building-title{align-items:flex-start}.journey-picture{height:330px}}
@media(max-width:760px){html{scroll-padding-top:80px}.system-selector{grid-template-columns:1fr 1fr;margin-bottom:14px}.system-selector button{min-height:78px;border-bottom:1px solid var(--line)}.system-selector button:nth-child(2){border-right:0}.system-selector small{font-size:11px}.ahu-detail{grid-template-columns:1fr;gap:16px!important;padding:20px 0!important}.ahu-detail-menu{grid-column:1;grid-row:1;display:grid!important;grid-template-columns:1fr 1fr}.ahu-detail-copy{grid-column:1;grid-row:2}.ahu-control-bar{grid-column:1;grid-row:3}.ahu-modes{gap:4px!important;flex-wrap:wrap}.ahu-modes button{font-size:13px!important;padding:8px 10px!important}.building-title{display:block;margin-top:18px}.model-view-actions{max-width:none;margin:15px 0 0}.building-exhibit{grid-template-columns:1fr}.building-viewport{height:420px}.building-details{border-left:0;border-top:1px solid var(--line);padding:18px}.building-parts{display:grid;grid-template-columns:1fr 1fr;max-height:200px;gap:2px 8px}.building-parts button{font-size:13px;padding:8px 5px}.building-description{min-height:155px}.building-foot{display:block}.building-foot a{display:inline-block;margin-top:10px}.model-pin{font-size:10px;max-width:105px;padding:3px 5px}.model-legend{font-size:10px;left:12px;bottom:12px;gap:5px 10px;max-width:95%}.model-drag-hint{left:12px;font-size:10px}.journey-caption{left:10px;right:10px;top:10px;gap:4px}.journey-caption>span{font-size:9px;letter-spacing:.02em;padding:7px 6px}.journey-caption button{font-size:11px;padding:6px 8px}.journey-picture{height:250px}.journey-picture>img{object-fit:contain}.journey-steps{grid-template-columns:1fr 1fr}.journey-steps button{font-size:13px;padding:12px}.journey-detail{grid-template-columns:30px 1fr;padding:22px 18px;gap:12px}.journey-result{grid-column:2;padding:14px 0 0;border-left:0;border-top:1px solid var(--line)}.journey-detail h3{font-size:22px}.calculator-tabs{gap:12px;padding:0 12px;justify-content:space-between}.calculator-tabs button{font-size:13px;padding:15px 0;max-width:120px;text-align:left}.section{padding-top:50px;padding-bottom:50px}.portfolio-section{padding-bottom:30px}.calculator-hint{padding:10px 15px;font-size:12px}.climate-intro{padding-bottom:20px!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.journey-picture img,.journey-focus{transition:none;transform:none!important}}
.building-zoom{position:absolute;right:12px;bottom:12px;display:flex;gap:3px}.building-zoom button{height:32px;width:32px;font-size:22px;line-height:1;border:1px solid #c5d4dc;background:#fffffff0;color:#385867;cursor:pointer}
@media(min-width:761px){.ahu-detail{grid-template-columns:370px 1fr;gap:12px 32px!important;align-items:start}.ahu-detail-menu{display:grid!important;grid-template-columns:1fr 1fr;gap:4px!important}.ahu-detail-menu button{font-size:13px!important;padding:10px!important}.ahu-control-bar{align-self:start}.ahu-detail-copy p{font-size:15px!important}}
.model-leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}.model-leaders polyline{fill:none;stroke:#8caab9;stroke-width:.8;opacity:.6}.model-leaders polyline.selected{stroke:#087eae;stroke-width:1.25;opacity:1}.model-pin{white-space:normal;line-height:1.2;max-width:168px;min-height:24px}.inline-calculators{overflow-anchor:none}
@media(max-width:760px){.model-pin{max-width:110px}.model-pin:not(.selected){min-width:23px;min-height:23px;border-radius:50%;padding:4px 3px}.model-pin.selected{z-index:5}}
@media(min-width:761px){.model-pin{width:168px}}