/* Home: photography, useful copy and a small number of compositions. */
.home-refined{--bg:#fff;--surface:#f3f4f0;--topbar-h:0px;--header-h:124px;--font-mono:var(--font-body);background:#fff;color:#202924;font-size:16px;line-height:1.75}
.home-refined h1,.home-refined h2{font-weight:400;letter-spacing:-.045em;text-wrap:initial}
.home-refined .site-header{top:0;background:#fff;box-shadow:none}
.home-refined .header-main,.home-refined.ua-site .site-header{background:#fff;border:0;backdrop-filter:none;-webkit-backdrop-filter:none}
/* Shared wordmark treatment also applies to the footer. */
.home-refined .logo{height:40px}
.home-refined .logo-t1{font-size:20px;letter-spacing:.1em}
.home-refined .logo-t2{font-size:9px;letter-spacing:.12em}
.home-refined .identity b{font-size:21px;letter-spacing:.08em}
.home-refined .identity small{font-size:9px;letter-spacing:.15em}
.market-menu{position:relative;font-size:12px}
.market-menu summary{cursor:pointer;list-style:none}
.market-menu summary::-webkit-details-marker{display:none}
.market-options{position:absolute;z-index:110;background:#fff}
.market-options .region-switch{display:flex;flex-direction:column;align-items:stretch;border:0;background:none;gap:0}
.market-options .region-switch a,.market-options .region-switch span{border:0;border-radius:0;background:none;padding:12px;color:#303a33;font-size:13px;font-weight:400;text-decoration:none}
.market-options .region-switch [aria-current]{background:#f3f4f0;color:#202924}
.market-options .region-switch a:hover{background:#f3f4f0;text-decoration:underline}
/* The first thing on the page is an actual installation, not a data strip. */
.building-hero{position:relative;isolation:isolate;margin:0 24px;min-height:650px;min-height:min(760px,calc(100svh - 114px));display:flex;align-items:center;background:#303832;color:#fff;overflow:hidden}
.building-hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:55% center;z-index:-2}
.building-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,17,13,.64),rgba(10,17,13,.1) 85%);z-index:-1}
.building-hero-content{padding-block:70px 85px}
.building-hero h1{font:400 clamp(48px,5.8vw,88px)/1.1 var(--font-body);letter-spacing:-.05em;color:#fff;max-width:1000px;margin:0 0 30px}
html[lang=ru] .building-hero h1,html[lang=uk] .building-hero h1{font-size:clamp(48px,5.3vw,80px)}
.building-hero-content>p{max-width:470px;font-size:16px;line-height:1.75;color:#f2f4f0;margin:0 0 32px}
.home-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 28px;color:#202924;background:#fff;text-decoration:none;font-size:13px;line-height:1.5;border:1px solid #fff;transition:background .2s,border-color .2s}
.home-button:hover{background:#e8ece2;border-color:#e8ece2}
.building-hero-caption{position:absolute;bottom:26px;right:32px;left:auto;margin:0;font-size:11px;color:#f1f3ee;line-height:1.5}
/* Text needs enough room to read, without headings above the headings. */
.home-introduction{padding-block:115px 90px;display:grid;grid-template-columns:1.15fr 1fr;gap:10%;align-items:start}
.home-introduction h2,.home-copy h2,.airflow-copy h2,.home-enquiry h2{font-size:clamp(35px,3.5vw,54px);font-weight:400;line-height:1.18;letter-spacing:-.045em;margin:0}
.home-copy p{font-size:16px;line-height:1.85;color:#58615a;margin:0 0 20px;max-width:520px}
.home-link{display:inline-block;width:fit-content;color:#253b2b;font-size:14px;font-weight:400;line-height:1.65;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px;padding-bottom:5px;transition:color .2s}
.home-link:hover{color:#59825a;text-decoration-thickness:2px}
.home-copy>.home-link{margin-top:5px}
/* Buildings are identified by their names, with honest scope and photo credits. */
.building-portfolio{display:grid;grid-template-columns:1.35fr 1fr;column-gap:6%;row-gap:30px;padding-bottom:105px;align-items:start}
.building-study{margin:0;min-width:0}
.building-study>img{width:100%;height:auto;aspect-ratio:1.28;object-fit:cover;display:block}
.building-study:nth-child(2){margin-top:140px}
.building-study:nth-child(2)>img{aspect-ratio:.98}
.building-study figcaption{padding-top:22px}
.building-name{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:8px;flex-wrap:wrap}
.building-name h2{font-size:27px;line-height:1.25;font-weight:400;letter-spacing:-.04em;color:#202924;margin:0}
.building-name>span{font-size:12px;color:#6b736d;line-height:1.6}
.building-study figcaption>p{font-size:13px;line-height:1.75;color:#58615a;max-width:560px;margin:0}
.image-credit{display:block;margin-top:9px;font-size:10px;color:#747b75;line-height:1.6}
.image-credit a{color:inherit;text-underline-offset:2px}
.portfolio-link{grid-column:1/-1;justify-self:end;padding-top:7px}
/* A real analysis image explains the engineering. */
.airflow-story{background:#f2f3ef;padding-block:95px}
.airflow-story-inner{display:grid;grid-template-columns:.83fr 1.3fr;align-items:center;gap:8%}
.airflow-copy h2{max-width:430px;margin-bottom:25px}
.airflow-copy>p{font-size:15px;line-height:1.85;color:#58615a;margin:0 0 23px;max-width:430px}
.airflow-image{margin:0;min-width:0}
.airflow-image img{width:100%;height:auto;aspect-ratio:1.65;object-fit:contain;background:#fff}
.airflow-image figcaption{font-size:11px;color:#667068;margin-top:12px}
/* A product still life, not a set of feature cards. */
.equipment-story{padding-block:105px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:10%}
.equipment-still{margin:0;min-width:0;padding:20px 7%}
.equipment-still img{width:100%;max-width:490px;height:auto;max-height:510px;object-fit:contain;margin:auto}
.equipment-story h2{margin-bottom:25px}
.equipment-links{display:flex;flex-wrap:wrap;gap:17px 28px;margin-top:26px}
.home-copy .himpel-note{font-size:13px;line-height:1.85;margin-top:35px;color:#777e78}
.himpel-note a{color:#465b49;text-underline-offset:3px;white-space:nowrap}
/* Enquiry and footer retain only things a visitor can use. */
.home-enquiry,.home-refined #contacts,.home-refined #request-home{background:#eff1eb;border-top:0;padding-block:85px 95px}
.home-enquiry-inner{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:start}
.home-enquiry h2{max-width:440px;margin-bottom:24px}
.home-enquiry-inner>div>p{color:#58615a;font-size:15px;line-height:1.85;max-width:420px;margin:0 0 30px}
.enquiry-email{display:block;width:fit-content;font-size:22px;line-height:1.6;letter-spacing:-.025em;text-decoration:none;color:#26382c;overflow-wrap:anywhere}
.enquiry-phone{display:block;width:fit-content;font-size:15px;margin-top:7px;color:#58615a;text-decoration:none}
.enquiry-email:hover,.enquiry-phone:hover{text-decoration:underline;text-underline-offset:4px}
.home-enquiry .lead-form,.home-enquiry .contact-form{padding:0;border:0;background:none;box-shadow:none}
.home-enquiry .field input,.home-enquiry .field textarea,.home-enquiry .field select{background:#fff;border-color:#d2d7ce;border-radius:0;font-size:15px}
.home-enquiry .field label,.home-enquiry .field>span{font-size:12px;font-weight:400;color:#4d584f}
.home-enquiry .form-grid,.home-enquiry .form-row{gap:20px}
.home-enquiry .consent{font-size:11px;line-height:1.75;margin-top:22px}
.home-enquiry .btn{padding:14px 25px;min-height:50px;font-size:13px;gap:20px;font-weight:400}
.home-enquiry .btn .i{display:none}
.home-enquiry .contact-form .btn{justify-content:center;width:auto}
.home-enquiry .form-note{font-size:11px;line-height:1.7;margin-top:15px;color:#737c73}
.home-enquiry .form-foot{display:block;margin-top:24px}
.home-enquiry .form-status{font-size:13px}
.home-footer{background:#fff;color:#59635b;padding-top:65px;font-size:13px}
.home-footer-main{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:9%;padding-bottom:55px}
.home-footer-main>div>p{margin-top:20px;max-width:320px;font-size:12px;line-height:1.8}
.home-footer-main nav{display:flex;flex-direction:column;align-items:start;gap:9px}
.home-footer a{color:inherit;text-decoration:none}
.home-footer a:hover{text-decoration:underline;text-underline-offset:4px}
.home-footer-bottom{display:flex;align-items:baseline;justify-content:space-between;gap:20px;font-size:11px;padding-block:20px 30px;border-top:1px solid #e5e8e0}
.home-footer-bottom>div{display:flex;flex-wrap:wrap;gap:22px}
.home-refined .site-footer{background:#fff;color:#58615a;padding-top:55px;padding-bottom:12px}
.home-refined .site-footer .identity{color:#202924}
.home-refined .site-footer .identity small{color:#727b72}
.home-refined .footer-partner{display:none}
.home-refined .footer-top{padding-bottom:30px;gap:40px;align-items:start;border:0}
.home-refined .footer-nav{gap:10px 25px;max-width:700px}
.home-refined .footer-nav a{font-size:12px;line-height:1.65;font-weight:400}
.home-refined .footer-nav a:hover{color:#26382c}
.home-refined .footer-bottom{border-top:1px solid #e5e8e0;line-height:1.8;font-size:10px;gap:15px}
.home-refined .footer-bottom a:hover{color:#26382c}
@media(min-width:1600px){.building-hero-content{padding-left:calc(var(--gutter) + 10px)}.building-hero{min-height:740px}}
@media(max-width:1200px){
 .building-hero{min-height:600px;margin-inline:20px}.building-hero h1{font-size:6.2vw}.building-hero-caption{font-size:10px}
 .home-introduction{gap:8%;padding-block:85px 65px}.home-copy p{font-size:15px}.building-portfolio{column-gap:5%;padding-bottom:80px}.building-study:nth-child(2){margin-top:105px}
 .building-name h2{font-size:25px}.airflow-story{padding-block:75px}.equipment-story{padding-block:80px;gap:7%}.home-enquiry{padding-block:70px}.home-enquiry-inner{gap:7%}
}
@media(max-width:1040px){
 .building-hero{min-height:560px}.building-hero h1{font-size:64px}.building-hero-content{padding-block:70px 80px}
 .airflow-story-inner{grid-template-columns:.9fr 1fr;gap:6%}.airflow-copy h2{font-size:35px}.airflow-copy p{font-size:14px}
}
@media(max-width:760px){
 .home-refined .container{padding-inline:25px}
 .building-hero{margin:0 14px;min-height:600px;align-items:center}.building-hero-content{padding:55px 30px 95px!important}.building-hero h1,html[lang=ru] .building-hero h1,html[lang=uk] .building-hero h1{font-size:clamp(43px,7.1vw,58px);line-height:1.15;letter-spacing:-.05em}
 .building-hero-content>p{font-size:15px;max-width:390px}.building-hero-caption{font-size:10px;bottom:22px;left:30px;right:22px;text-align:left}.building-hero-photo{object-position:55% center}
 .home-introduction{grid-template-columns:1fr;gap:30px;padding-block:65px}.home-introduction h2{font-size:40px;line-height:1.2}.home-copy p{font-size:15px;max-width:none}.home-link{font-size:14px}
 .building-portfolio{column-gap:28px;row-gap:25px;padding-bottom:65px}.building-study:nth-child(2){margin-top:85px}.building-name{gap:8px}.building-name h2{font-size:23px}.building-name>span{font-size:11px}.building-study figcaption>p{font-size:12px;line-height:1.65}.building-study figcaption{padding-top:18px}
 .airflow-story{padding-block:60px}.airflow-story-inner{grid-template-columns:1fr;gap:35px}.airflow-copy h2{max-width:530px;font-size:40px}.airflow-copy>p{max-width:520px;font-size:15px}.airflow-image figcaption{font-size:11px}
 .equipment-story{grid-template-columns:1fr;gap:35px;padding-block:60px}.equipment-still{padding:0 13%;max-width:510px;width:100%;justify-self:center}.equipment-still img{max-height:380px}.equipment-story .home-copy{max-width:600px}.home-copy h2{font-size:40px}.home-copy .himpel-note{font-size:13px}
 .home-enquiry,.home-refined #contacts,.home-refined #request-home{padding-block:60px}.home-enquiry-inner{grid-template-columns:1fr;gap:45px}.home-enquiry h2{max-width:520px;font-size:40px}.home-enquiry-inner>div>p{max-width:520px}.home-enquiry .lead-form,.home-enquiry .contact-form{max-width:100%;width:100%}
 .home-footer{padding-top:45px}.home-footer-main{grid-template-columns:1fr 1fr;gap:35px}.home-footer-main>div:first-child{grid-column:1/-1}.home-footer-main>div>p{max-width:480px}.home-footer-bottom{display:block}.home-footer-bottom>div{margin-top:10px;gap:15px}
 .home-refined .footer-top{display:block}.home-refined .footer-nav{margin-top:30px}.home-refined .footer-bottom{font-size:10px}.home-refined .footer-brand{display:block}
}
@media(max-width:520px){
 .home-refined .container{padding-inline:22px}
 .building-hero{margin-inline:0;min-height:570px}.building-hero-content{padding:50px 25px 88px!important}.building-hero h1,html[lang=ru] .building-hero h1,html[lang=uk] .building-hero h1{font-size:43px;line-height:1.13}.building-hero h1 br{display:none}.building-hero-content>p{font-size:14px;line-height:1.8;max-width:330px;margin-bottom:27px}.building-hero::before{background:rgba(10,17,13,.45)}.building-hero-caption{left:25px;bottom:23px;font-size:10px}.home-button{min-height:50px;padding:13px 23px;font-size:13px}
 .home-introduction{padding-block:55px 45px;gap:25px}.home-introduction h2,.home-copy h2,.airflow-copy h2,.home-enquiry h2{font-size:35px;line-height:1.2}.home-copy p{font-size:14px;line-height:1.85}.home-link{font-size:13px}
 .building-portfolio{grid-template-columns:1fr;gap:40px;padding-bottom:55px}.building-study:nth-child(2){margin-top:0}.building-study>img,.building-study:nth-child(2)>img{aspect-ratio:1.15}.building-name h2{font-size:25px}.building-name>span{font-size:12px}.building-study figcaption>p{font-size:13px}.building-name{gap:8px}.portfolio-link{justify-self:start;padding:0}.image-credit{font-size:10px}
 .airflow-story{padding-block:55px}.airflow-copy>p{font-size:14px}.airflow-story-inner{gap:30px}.airflow-image{margin-inline:-8px}.airflow-image figcaption{font-size:10px;margin-left:8px}
 .equipment-story{padding-block:50px 55px;gap:30px}.equipment-still{padding:0 8%}.equipment-links{gap:15px 24px;margin-top:20px}.home-copy .himpel-note{font-size:12px;margin-top:28px}
 .home-enquiry,.home-refined #contacts,.home-refined #request-home{padding-block:50px 55px}.home-enquiry-inner{gap:35px}.home-enquiry-inner>div>p{font-size:14px}.home-enquiry .form-grid,.home-enquiry .form-row{grid-template-columns:1fr;gap:18px}.home-enquiry .field{gap:7px}.enquiry-email{font-size:21px}.home-enquiry .field input,.home-enquiry .field select,.home-enquiry .field textarea{font-size:16px}.home-enquiry .form-note{font-size:11px}.home-enquiry .consent{font-size:11px}
 .home-footer-main{gap:30px 20px;padding-bottom:35px}.home-footer-main nav{gap:12px}.home-footer-main nav a{font-size:12px}.home-footer-main>div>p{font-size:11px}.home-footer-bottom{font-size:10px}.home-footer-bottom>div{gap:10px 15px}
 .home-refined .footer-nav{gap:11px 20px}.home-refined .footer-nav a{font-size:12px}.home-refined .footer-bottom{display:flex;flex-direction:column;align-items:start;gap:12px}.home-refined .footer-regions{line-height:1.8}
}
@media(max-width:360px){.building-hero h1,html[lang=ru] .building-hero h1,html[lang=uk] .building-hero h1{font-size:38px}}
/* The masthead pairs the existing mark with a compact, two-line navigation. */
.home-refined .home-masthead .header-inner{gap:0;height:var(--header-h)}
.home-refined .home-masthead .brand{margin-right:auto;flex-shrink:0}
.home-refined .home-masthead .logo{height:48px;width:211px}
.home-refined .home-masthead .logo-t1{font-family:var(--font-body);font-size:28px;font-weight:600;letter-spacing:.035em}
.home-refined .home-masthead .identity{gap:12px}
.home-refined .home-masthead .identity>svg{height:48px;width:44px}
.home-refined .home-masthead .identity b{font-size:28px;letter-spacing:.035em;font-weight:600}
.home-refined .home-masthead .site-nav{position:static;inset:auto;display:flex;align-items:start;gap:clamp(48px,6vw,96px);padding:0;border:0;background:none;box-shadow:none;max-height:none}
.home-refined .home-masthead .nav-list{display:grid;grid-template-rows:repeat(2,28px);grid-auto-flow:column;column-gap:44px;row-gap:0;align-items:start}
.home-refined .home-masthead .nav-list a{display:block;font-size:14px;font-weight:400;line-height:28px;padding:0;color:#252e28;border:0;border-radius:0}
.home-refined .home-masthead .nav-list a:hover{color:#36613c;text-decoration:underline;text-underline-offset:4px}
.home-refined .home-masthead .masthead-location{display:flex;flex-direction:column;align-items:start;gap:0;min-width:135px}
.home-refined .home-masthead .market-menu,.home-refined .home-masthead .region-menu{font-size:12px}
.home-refined .home-masthead summary{display:flex;align-items:center;min-height:28px;padding:0;border:0;border-radius:0;background:none;color:#5b625c;font:400 12px/28px var(--font-body);gap:11px;white-space:nowrap}
.home-refined .home-masthead summary>span{display:inline}
.home-refined .home-masthead summary::after{content:'';display:block;width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-2px) rotate(45deg)}
.home-refined .home-masthead details[open] summary::after{transform:translateY(1px) rotate(225deg)}
.home-refined .home-masthead .lang-switch{display:flex;gap:12px;padding:0;border:0;border-radius:0;background:none;min-height:28px;align-items:center}
.home-refined .home-masthead .lang-switch a,.home-refined .home-masthead .lang-switch span{font:400 11px/28px var(--font-body);padding:0;background:none;color:#69716b;border-radius:0;text-underline-offset:4px}
.home-refined .home-masthead .lang-switch [aria-current]{color:#25352a;text-decoration:underline}
.home-refined .home-masthead .locale-options .lang-switch{padding-bottom:12px;margin-bottom:8px;border-bottom:1px solid #e1e4dd;gap:16px}
.home-refined .home-masthead .locale-options .lang-switch a,.home-refined .home-masthead .locale-options .lang-switch span{line-height:32px;font-size:12px;padding-inline:4px}
.home-refined .home-masthead .market-options,.home-refined .home-masthead .region-menu-list{top:calc(100% + 10px);right:0;padding:10px;border:1px solid #d7dbd4;border-radius:0;box-shadow:none;min-width:230px}
.home-refined .home-masthead .region-menu-list a,.home-refined .home-masthead .region-menu-list>span{border-radius:0;padding:10px 12px;font-size:13px;font-weight:400}
.home-refined .home-masthead .header-actions{display:none}
@media(max-width:1200px) and (min-width:1041px){
 .home-refined .home-masthead .nav-list{column-gap:30px}
 .home-refined .home-masthead .site-nav{gap:40px}
 .home-refined .home-masthead .logo{width:193px;height:44px}
 .home-refined .home-masthead .identity b{font-size:26px}
}
@media(max-width:1040px){
 .home-refined{--header-h:92px}
 .home-refined .home-masthead .header-actions{display:flex}
 .home-refined .home-masthead .nav-toggle{display:flex;align-items:center;justify-content:end;gap:13px;width:auto;height:44px;min-width:85px;padding:0;background:none;border:0;color:#25352a;font:400 13px/1 var(--font-body)}
 .menu-lines{position:relative;display:block;width:24px;height:16px}
 .menu-lines::before,.menu-lines::after{content:'';position:absolute;left:0;width:24px;height:1px;background:currentColor;top:4px;transition:transform .2s}
 .menu-lines::after{top:11px}
 .nav-toggle[aria-expanded=true] .menu-lines::before{transform:translateY(3.5px) rotate(45deg)}
 .nav-toggle[aria-expanded=true] .menu-lines::after{transform:translateY(-3.5px) rotate(-45deg)}
 .home-refined .home-masthead .site-nav{position:fixed;inset:var(--header-h) 0 0;display:none;max-height:calc(100dvh - var(--header-h));overflow-y:auto;padding:20px var(--gutter) 40px;border-top:1px solid #e1e4dd;border-bottom:0;background:#fff;box-shadow:none}
 .nav-open .home-refined .home-masthead .site-nav,.home-refined .home-masthead.nav-open .site-nav{display:flex;flex-direction:column;align-items:stretch;gap:42px}
 .home-refined .home-masthead .nav-list{display:flex;flex-direction:column;align-items:stretch;gap:0}
 .home-refined .home-masthead .nav-list a{font-size:29px;letter-spacing:-.025em;line-height:1.3;padding:14px 0;border:0;min-height:60px}
 .home-refined .home-masthead .masthead-location{border-top:1px solid #e1e4dd;padding-top:22px;gap:8px;align-items:start}
 .home-refined .home-masthead summary{font-size:14px;min-height:40px}
 .home-refined .home-masthead .lang-switch{gap:20px}
 .home-refined .home-masthead .lang-switch a,.home-refined .home-masthead .lang-switch span{font-size:12px;line-height:44px}
 .home-refined .home-masthead .market-options,.home-refined .home-masthead .region-menu-list{position:static;margin-top:8px;min-width:230px}
 .home-refined .home-masthead .locale-options{position:static;margin-top:8px;min-width:230px}
}
@media(max-width:520px){
 .home-refined{--header-h:88px}
 .home-refined .home-masthead .logo{width:167px;height:38px}
 .home-refined .home-masthead .identity{gap:10px}
 .home-refined .home-masthead .identity>svg{width:32px;height:38px}
 .home-refined .home-masthead .identity b{font-size:23px}
 .home-refined .home-masthead .site-nav{padding-inline:22px}
 .home-refined .home-masthead .nav-toggle{font-size:12px;gap:10px;min-width:75px}
}
@media print{.building-hero{min-height:0;margin:0;background:#fff;color:#202924}.building-hero-photo,.building-hero::before,.building-hero-caption,.home-button{display:none}.building-hero h1,.building-hero-content>p{color:#202924}.building-hero-content{padding-block:25px!important}.home-footer{display:none}.building-study{break-inside:avoid}}