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/* Analytics consent */
.cookie-consent{position:fixed;z-index:1000;left:24px;right:24px;bottom:24px;max-width:920px;margin:auto;padding:22px 24px;background:rgba(13,18,17,.97);color:#e9ece8;border:1px solid rgba(255,255,255,.18);box-shadow:0 20px 70px rgba(0,0,0,.35);display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;backdrop-filter:blur(14px)}
.cookie-consent strong{font-size:13px;font-weight:500;letter-spacing:.05em;text-transform:uppercase}.cookie-consent p{margin:8px 0 0;max-width:620px;color:#9ca5a0;font-size:11px;line-height:1.65}.cookie-consent a{color:#d7bd91}.cookie-actions{display:flex;gap:8px}.cookie-actions button{padding:13px 16px;border:1px solid #3e4944;background:transparent;color:#cbd1cd;font-size:9px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer}.cookie-actions .cookie-accept{background:var(--brass);border-color:var(--brass);color:#101310}
@media(max-width:700px){.cookie-consent{left:12px;right:12px;bottom:12px;padding:20px;grid-template-columns:1fr;gap:16px}.cookie-actions{flex-direction:column-reverse}.cookie-actions button{width:100%}}

/* Cinematic system assembly */
.build-story{display:none}
.build-sticky{position:sticky;top:0;height:100vh;min-height:680px;overflow:hidden;background:radial-gradient(circle at 70% 45%,#202925 0,#101513 45%,#0b100e 75%);display:grid;grid-template-columns:32% 68%;padding:7vh 5vw}
.build-sticky:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(11,16,14,.96) 0,rgba(11,16,14,.3) 42%,transparent 70%),linear-gradient(0deg,#0b100e 0,transparent 20%)}
.build-copy{position:relative;z-index:4}.build-overline{font:9px monospace;letter-spacing:.18em;color:var(--brass);margin-bottom:13vh}
.build-step{position:absolute;left:0;top:33%;max-width:300px;opacity:0;transform:translateY(35px);transition:opacity .65s var(--ease),transform .65s var(--ease)}.build-step.active{opacity:1;transform:none}.build-step>span{font:10px monospace;color:var(--acid)}.build-step h3{font-size:clamp(28px,3vw,46px);line-height:1.03;font-weight:500;letter-spacing:-.04em;margin:20px 0}.build-step p{font-size:12px;line-height:1.8;color:#8d9792}
.build-scene{position:relative;z-index:2;height:86vh;min-height:570px;align-self:center;perspective:1200px}.build-grid{position:absolute;inset:4% -10% -20%;opacity:.22;background:linear-gradient(rgba(201,215,140,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(201,215,140,.13) 1px,transparent 1px);background-size:42px 42px;transform:rotateX(64deg) rotateZ(-8deg);transform-origin:center bottom;mask-image:linear-gradient(to bottom,transparent,#000 25%,#000 75%,transparent)}
.air-unit-3d{position:absolute;left:1%;top:53%;z-index:3;width:175px;height:125px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(140deg,#4d5853 0,#1d2522 45%,#0d1210 100%);border:1px solid #68746e;box-shadow:-24px 28px 65px rgba(0,0,0,.65),inset 0 0 25px rgba(255,255,255,.04);transform:translate3d(-45px,45px,0) rotateY(10deg);opacity:0;transition:opacity .8s,transform 1.2s var(--ease)}.build-story.started .air-unit-3d{opacity:1;transform:translate3d(0,0,0) rotateY(10deg)}
.air-unit-3d:before,.air-unit-3d:after{content:"";position:absolute;background:#222c28;border:1px solid #58635e}.air-unit-3d:before{width:25px;right:-27px;top:29px;bottom:29px}.air-unit-3d:after{height:16px;left:26px;right:26px;bottom:-18px}.air-unit-3d b{font-size:19px;letter-spacing:.22em}.air-unit-3d small{font:6px monospace;letter-spacing:.17em;color:#89938e;margin-top:9px}.unit-led{position:absolute;left:14px;top:14px;width:7px;height:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 18px var(--acid)}.unit-fan{position:absolute;right:18px;bottom:16px;width:24px;height:24px;border:1px solid #718079;border-radius:50%}.unit-fan:after{content:"";position:absolute;inset:5px;border:4px dotted #87938d;border-radius:50%;animation:fan-spin 2s linear infinite}@keyframes fan-spin{to{transform:rotate(360deg)}}
.duct-plan{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.duct-path,.duct-shadow,.air-pulse{fill:none;stroke-linecap:round;stroke-linejoin:round}.duct-shadow{stroke:#0a0d0c;stroke-width:32;opacity:.9}.duct-path{stroke:url(#ductMetal);stroke-width:18}.main-path{stroke-dasharray:1000;stroke-dashoffset:1000}.branch-path{stroke-dasharray:480;stroke-dashoffset:480}.duct-path,.duct-shadow{transition:stroke-dashoffset .12s linear}.air-pulse{stroke:var(--acid);stroke-width:2;stroke-dasharray:4 22;opacity:0;filter:url(#glow);animation:pulse-move 2s linear infinite}.build-story.flowing .air-pulse{opacity:.65}@keyframes pulse-move{to{stroke-dashoffset:-104}}
.diffuser{position:absolute;z-index:4;width:115px;height:48px;border:1px solid #66716c;background:linear-gradient(#26302c,#101614);box-shadow:0 15px 30px #050706;opacity:0;transform:translateY(-25px) scale(.8);transition:opacity .6s var(--ease),transform .8s var(--ease)}.diffuser.visible{opacity:1;transform:none}.diffuser i{display:block;border-top:1px solid #76827c;margin:8px 10px}.diffuser span{position:absolute;right:0;top:-18px;font:7px monospace;color:#7e8983}.diffuser-a{right:0;top:28%}.diffuser-b{right:6%;top:69%}.diffuser-c{right:-1%;top:10%}
.scene-readout{position:absolute;right:0;bottom:2%;font:8px monospace;color:#72807a;display:flex;align-items:baseline;gap:8px}.scene-readout b{font-size:34px;color:#dbe0dd;font-weight:400}.scene-progress{position:absolute;left:1%;bottom:2%;font:7px monospace;letter-spacing:.14em;color:#65706b}.scene-progress i{display:block;width:140px;height:1px;background:#35403b;margin-bottom:12px;position:relative}.scene-progress i:after{content:"";position:absolute;inset:0 auto 0 0;width:var(--build-progress,0%);background:var(--acid);box-shadow:0 0 10px var(--acid)}
@media(max-width:900px){.build-story{height:320vh;margin-left:-6vw;margin-right:-6vw}.build-sticky{grid-template-columns:1fr;padding:7vh 6vw}.build-copy{height:25vh}.build-overline{margin-bottom:3vh}.build-step{top:55px;max-width:70vw}.build-step h3{margin:10px 0}.build-step p{margin:0}.build-scene{height:67vh;min-height:430px}.build-sticky:after{background:linear-gradient(0deg,#0b100e 0,transparent 28%,transparent 75%,#0b100e 100%)}.air-unit-3d{width:130px;height:95px;top:56%}.duct-plan{transform:scale(1.14);transform-origin:left center}.diffuser{width:90px;height:42px}.scene-readout{bottom:0}}
@media(max-width:560px){.build-story{margin-left:-20px;margin-right:-20px}.build-sticky{padding:5vh 20px}.build-step{max-width:90vw}.build-step p{font-size:10px}.build-scene{min-height:390px}.duct-plan{transform:scale(1.38);transform-origin:5% center}.air-unit-3d{width:105px;height:78px;left:0}.air-unit-3d:before{display:none}.diffuser{width:68px;height:34px}.diffuser i{margin:6px 8px}.scene-readout b{font-size:25px}}
@media(prefers-reduced-motion:reduce){.air-unit-3d,.build-step,.diffuser,.duct-path,.duct-shadow{transition:none!important}.unit-fan:after,.air-pulse{animation:none!important}}

/* Fixed BIM narrative behind the full page */
.site-model-background{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:radial-gradient(circle at 72% 46%,rgba(31,45,40,.2),transparent 58%)}
.site-model-background:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(241,238,231,.94) 0,rgba(241,238,231,.72) 34%,rgba(241,238,231,.08) 76%);pointer-events:none}
.site-header,main,footer{position:relative;z-index:1}

.legal-page{background:var(--paper);color:var(--ink)}.legal-header{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 7vw;border-bottom:1px solid var(--line)}.legal-header>a:last-child{font-size:11px;text-transform:uppercase;letter-spacing:.1em}.legal-document{width:min(920px,86vw);margin:0 auto;padding:100px 0 120px}.legal-document h1{font-family:Onest,sans-serif;font-size:clamp(45px,7vw,88px);line-height:.95;letter-spacing:-.055em;font-weight:500;margin:35px 0 90px}.legal-document section{display:grid;grid-template-columns:230px 1fr;gap:55px;padding:28px 0;border-top:1px solid var(--line)}.legal-document section h2{font-size:15px;font-weight:500}.legal-document section p{grid-column:2;font-size:14px;line-height:1.8;color:var(--muted);margin:0}.legal-document section h2+p{grid-column:2}.legal-document a,.legal-footer a,footer a,.consent a{text-decoration:none;border-bottom:1px solid currentColor}.legal-footer{display:flex;justify-content:space-between;padding:35px 7vw;font-size:10px}.consent span{line-height:1.6}
@media(max-width:700px){.legal-header{padding:0 6vw}.legal-document{width:88vw;padding:70px 0 90px}.legal-document h1{margin-bottom:60px}.legal-document section{grid-template-columns:1fr;gap:10px}.legal-document section p,.legal-document section h2+p{grid-column:1}.legal-footer{flex-direction:column;gap:15px}}
.hero,.manifesto,.process,.expertise,.final-cta{background:rgba(241,238,231,.8);backdrop-filter:blur(1.5px)}
.dark-section{background:rgba(13,18,17,.88);backdrop-filter:blur(2px)}
.build-sticky{background:rgba(11,16,14,.78)}
.site-model-background .ahu-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transform:scale(1.035);transition:opacity 1.2s var(--ease),transform 1.8s var(--ease);filter:saturate(.9) contrast(1.05)}
.site-model-background .ahu-canvas.ready.started{opacity:.88;transform:translate(7%,8%)}
@media(max-width:900px){.site-model-background .ahu-canvas{inset:0;width:100%;height:100%}.site-model-background:after{background:linear-gradient(0deg,rgba(241,238,231,.9),rgba(241,238,231,.18) 52%,rgba(241,238,231,.72))}}

/* IFC scenes inside the Solutions tabs */
.solution-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:4;display:block;opacity:0;transform:scale(.97);transition:opacity .55s var(--ease),transform .8s var(--ease)}
.system-visual.ifc-ready .solution-canvas{opacity:1;transform:none}
.system-visual.ifc-ready{isolation:isolate}
.system-visual.ifc-ready .solution-canvas{z-index:1}
.system-visual.ifc-ready>:not(.solution-canvas){opacity:0!important;pointer-events:none}
.system-visual.ifc-loading:after{content:"ЗАГРУЗКА BIM-МОДЕЛИ";position:absolute;left:50%;top:50%;z-index:5;transform:translate(-50%,-50%);font:8px monospace;letter-spacing:.18em;color:#75817b}
.site-model-background{transition:opacity .7s var(--ease)}
.solutions-focused .site-model-background{opacity:.035}
.solutions-focused .solutions.dark-section{background:rgba(13,18,17,.96)}
@media(max-width:560px){.solution-canvas{inset:-5% -20%;width:140%;height:110%}}

/* Branded controls in the lead form */
.lead-dialog{color-scheme:dark}
.lead-dialog select{appearance:none;-webkit-appearance:none;padding-right:32px;background-color:transparent;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23b7955f' stroke-width='1.4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;cursor:pointer}
.lead-dialog select option{color:#e8ece9;background:#111715}
.lead-dialog{overflow-x:hidden;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}
.lead-dialog::-webkit-scrollbar{display:none;width:0;height:0}
.dialog-area-control{display:grid;grid-template-columns:1fr auto;align-items:end;border-bottom:1px solid #3c4641;transition:border-color .2s}
.dialog-area-control:focus-within{border-color:var(--brass)}
.lead-dialog .dialog-area-control input{border:0;padding-right:10px;appearance:textfield;-moz-appearance:textfield}
.lead-dialog .dialog-area-control input::-webkit-inner-spin-button,.lead-dialog .dialog-area-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.area-stepper{display:grid;grid-template-columns:30px 30px;height:38px;border-left:1px solid #3c4641}
.area-stepper button{border:0;border-left:1px solid #3c4641;background:#171e1b;color:var(--brass);font-size:17px;line-height:1;cursor:pointer;transition:background .2s,color .2s}
.area-stepper button:first-child{border-left:0}
.area-stepper button:hover,.area-stepper button:focus-visible{background:var(--brass);color:#101310;outline:0}

/* Fully themed object selector (avoids the native Windows blue highlight) */
.custom-select{position:relative;width:100%}
.custom-select>select{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none}
.custom-select-trigger{width:100%;height:39px;padding:0 3px 0 0;border:0;border-bottom:1px solid #3c4641;background:transparent;color:#eef1ee;display:flex;align-items:center;justify-content:space-between;cursor:pointer;text-align:left}
.custom-select-trigger b{font-size:13px;font-weight:400;text-transform:none;letter-spacing:0}
.custom-select-trigger i{width:8px;height:8px;border-right:1px solid var(--brass);border-bottom:1px solid var(--brass);transform:rotate(45deg) translateY(-2px);transition:transform .25s}
.custom-select.open .custom-select-trigger{border-color:var(--brass)}
.custom-select.open .custom-select-trigger i{transform:rotate(225deg) translate(-2px,-2px)}
.custom-select-menu{position:absolute;left:0;right:0;top:calc(100% + 1px);z-index:20;padding:5px;background:#141b18;border:1px solid #3b4641;box-shadow:0 18px 42px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(-5px);transition:opacity .2s,transform .2s,visibility .2s}
.custom-select.open .custom-select-menu{opacity:1;visibility:visible;transform:none}
.custom-select-menu button{display:block;width:100%;border:0;background:transparent;color:#aeb7b2;padding:10px 11px;text-align:left;font-size:12px;text-transform:none;letter-spacing:0;cursor:pointer}
.custom-select-menu button:hover,.custom-select-menu button:focus-visible{background:rgba(183,149,95,.13);color:#f2f3f1;outline:0}
.custom-select-menu button[aria-selected="true"]{color:var(--brass);background:rgba(183,149,95,.07)}
.area-stepper{grid-template-columns:26px 26px;height:34px;background:transparent;border-left-color:#35403b}
.area-stepper button{background:transparent;color:#86918c;font-size:14px;border-left-color:#35403b}
.area-stepper button:hover,.area-stepper button:focus-visible{background:rgba(183,149,95,.1);color:var(--brass)}

/* IFC-informed AHU scene */
.air-unit-3d{width:210px;height:154px;left:-1%;top:50%;overflow:visible;transform-style:preserve-3d;background:linear-gradient(135deg,#8b9490 0,#515b56 11%,#222a27 48%,#111614 100%)}
.air-unit-3d:before,.air-unit-3d:after{display:none}.unit-top{position:absolute;left:12px;right:-18px;top:-19px;height:18px;background:linear-gradient(90deg,#68736e,#313a36);clip-path:polygon(8% 0,100% 0,92% 100%,0 100%);border-top:1px solid #9da6a1}.unit-side{position:absolute;right:-19px;top:-18px;width:19px;height:154px;background:linear-gradient(#424c47,#171d1a);clip-path:polygon(0 12%,100% 0,100% 89%,0 100%);border-right:1px solid #707b75}.unit-title{position:absolute;left:16px;top:15px;text-align:left}.unit-title b{display:block;font-size:16px}.unit-title small{display:block;margin-top:4px}.unit-cutaway{position:absolute;left:14px;right:14px;top:52px;bottom:20px;border:1px solid #606b65;background:rgba(5,8,7,.52);box-shadow:inset 0 0 18px #060908;overflow:hidden}.filter-bank{position:absolute;left:8px;top:8px;bottom:8px;width:25px;background:repeating-linear-gradient(90deg,#8d9892 0 2px,#333d38 2px 5px);transform:skewY(-8deg)}.heat-wheel{position:absolute;left:53px;top:10px;width:54px;height:54px;border:2px solid #9da8a2;border-radius:50%;background:conic-gradient(from 0deg,#303a35,#8e9993,#29332f,#9aa49f,#303a35);box-shadow:0 0 18px rgba(183,149,95,.2)}.heat-wheel i{position:absolute;inset:8px;border:1px solid #171d1a;border-radius:50%;background:repeating-conic-gradient(#1e2723 0 5deg,#89938e 5deg 8deg);animation:fan-spin 8s linear infinite}.unit-cutaway .unit-fan{width:30px;height:30px;right:12px;bottom:auto}.fan-supply{top:8px}.fan-exhaust{top:43px}.unit-cutaway .unit-fan:after{inset:4px}.spigot{position:absolute;right:-39px;width:38px;height:34px;border:1px solid #77827c;background:linear-gradient(#2d3732,#78827d 48%,#202824 52%,#111614);transform:skewY(-5deg)}.spigot:after{content:"";position:absolute;right:-6px;top:-2px;width:7px;height:38px;border:1px solid #76817b;border-radius:50%;background:#202824}.spigot i{position:absolute;inset:5px;border:1px dashed #939d98;border-radius:50%}.spigot-supply{top:30px}.spigot-exhaust{bottom:24px}.unit-caption{position:absolute;left:0;bottom:-35px;font:6px monospace;letter-spacing:.13em;color:#707b75}.duct-highlight{fill:none;stroke:rgba(255,255,255,.28);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1000;stroke-dashoffset:1000;transform:translateY(-5px);transition:stroke-dashoffset .12s linear}.exhaust-path{stroke-dasharray:1000;stroke-dashoffset:1000}.duct-path.supply-path{stroke:url(#ductMetal)}.duct-path.exhaust-path{stroke:url(#ductMetal)}.supply-path+.duct-highlight{stroke:rgba(210,158,91,.42)}.exhaust-pulse{stroke:#73a7b7}.hvac-part{position:absolute;z-index:5;opacity:0;transform:translateY(-18px) scale(.82);transition:opacity .55s var(--ease),transform .75s var(--ease);background:linear-gradient(135deg,#737e78,#29322e 50%,#121714);border:1px solid #707b75;box-shadow:0 12px 28px #050706}.hvac-part.visible{opacity:1;transform:none}.hvac-part span{position:absolute;left:0;top:-29px;white-space:nowrap;font:6px monospace;line-height:1.5;color:#87928c}.damper-part{left:43%;top:53%;width:45px;height:45px;border-radius:50%}.damper-part i{position:absolute;left:21px;top:1px;width:2px;height:42px;background:var(--brass);transform:rotate(38deg);box-shadow:0 0 8px var(--brass)}.silencer-part{left:58%;top:27%;width:105px;height:44px}.silencer-part i{display:block;border-top:2px solid #818c86;margin:9px 9px}.transition-part{right:17%;top:27%;width:75px;height:44px;clip-path:polygon(0 18%,100% 0,100% 100%,0 82%)}.transition-part span{left:2px}.diffuser-a{right:-1%;top:28%;width:138px}.diffuser-b{right:1%;top:67%;width:105px}.diffuser-c{display:none}.exhaust-grille{background:linear-gradient(#1c2521,#0e1311)}
@media(max-width:900px){.air-unit-3d{width:165px;height:122px;top:54%}.unit-cutaway{top:43px}.heat-wheel{left:44px;width:42px;height:42px}.unit-cutaway .unit-fan{width:24px;height:24px}.fan-exhaust{top:35px}.spigot{right:-29px;width:28px;height:27px}.spigot:after{height:30px}.duct-plan{transform:scale(1.05);transform-origin:left center}.damper-part{left:46%}.silencer-part{left:59%}.transition-part{right:14%}}
@media(max-width:560px){.air-unit-3d{width:125px;height:96px;top:57%}.unit-title b{font-size:12px}.unit-title small,.unit-caption{font-size:5px}.unit-cutaway{top:36px;bottom:12px}.filter-bank{width:15px}.heat-wheel{left:31px;top:5px;width:34px;height:34px}.unit-cutaway .unit-fan{width:18px;height:18px;right:5px}.fan-supply{top:4px}.fan-exhaust{top:27px}.spigot{right:-20px;width:20px;height:20px}.spigot-exhaust{bottom:15px}.spigot:after{height:23px}.hvac-part span{display:none}.silencer-part{width:70px;height:34px}.transition-part{width:50px;height:32px}.diffuser-a{width:82px}.diffuser-b{width:68px}}

/* Real WebGL layer */
.build-sticky{grid-template-columns:27% 73%}
.ahu-canvas{position:absolute;inset:-4% -8% -2% -10%;width:118%;height:106%;z-index:3;display:block;opacity:0;transform:scale(.96);transition:opacity 1s var(--ease),transform 1.2s var(--ease);filter:saturate(.88) contrast(1.04)}.webgl-ready .ahu-canvas{opacity:1;transform:none}.webgl-ready .air-unit-3d,.webgl-ready .duct-plan,.webgl-ready .hvac-part,.webgl-ready .diffuser{display:none}.webgl-ready .scene-readout,.webgl-ready .scene-progress{z-index:7}.webgl-label{position:absolute;z-index:6;font:7px monospace;letter-spacing:.12em;color:#aeb7b2;opacity:0;transition:opacity .6s}.webgl-ready .webgl-label{opacity:.72}.webgl-label:before{content:"";position:absolute;right:calc(100% + 8px);top:50%;width:48px;border-top:1px solid rgba(201,215,140,.55)}.label-ahu{left:9%;top:33%}.label-silencer{left:57%;top:24%}.label-grille{right:1%;top:55%}.label-grille:before{width:30px}
@media(max-width:900px){.build-sticky{grid-template-columns:1fr}.ahu-canvas{inset:-8% -25% -4% -22%;width:147%;height:112%}.label-ahu{left:5%;top:38%}.label-silencer{left:55%;top:27%}.label-grille{right:0;top:58%}}
@media(max-width:560px){.ahu-canvas{inset:-7% -52% -5% -40%;width:192%;height:112%}.webgl-label{font-size:5px}.webgl-label:before{width:20px}.label-ahu{left:1%;top:42%}.label-silencer{left:58%;top:31%}.label-grille{display:none}}