:root{--navy:#10243a;--ink:#162a3d;--muted:#66717c;--red:#c92a32;--line:#dce1e4;--soft:#f3f5f5;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:white;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}img{display:block;width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.12;letter-spacing:-1.7px;font-weight:500}h1{font-size:clamp(48px,6.6vw,92px)}h2{font-size:clamp(34px,4vw,53px)}h3{font-size:28px;letter-spacing:-.7px}p{color:var(--muted)}.wrap{width:min(1240px,calc(100% - 96px));margin:auto}.skip{position:absolute;left:20px;top:-100px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #2c89bc;outline-offset:5px}.topbar{background:var(--navy);color:#dbe3ea;font-size:12px;letter-spacing:.25px}.topbar .wrap{min-height:34px;display:flex;align-items:center;justify-content:space-between}.topbar .wrap>div{display:flex;gap:26px}header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.98);border-bottom:1px solid #e7e9eb}.nav{display:flex;align-items:center;justify-content:space-between;gap:25px;height:102px}.brand{flex-shrink:0;width:150px}.brand img{height:84px;object-fit:contain}.nav nav{display:flex;gap:24px;align-items:center}.nav nav a{font-size:13px;white-space:nowrap;font-weight:600;position:relative}.nav nav a:hover,.nav nav a.active{color:var(--red)}.nav nav a.active:after{content:'';height:2px;width:20px;position:absolute;bottom:-11px;left:0;background:var(--red)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--red);color:white;font-size:14px;font-weight:600;letter-spacing:.15px;padding:17px 25px;border:1px solid transparent;transition:background .2s,transform .2s;line-height:1.4;min-height:54px}.btn:hover{background:#ab1e28;transform:translateY(-2px)}.btn.small{font-size:12px;min-height:46px;padding:12px 18px;gap:18px}.btn.outline{background:transparent;border-color:#66788b}.btn.outline:hover{background:#243c53}.menu-toggle{display:none}.hero{position:relative;min-height:650px;color:white;background:var(--navy);overflow:hidden}.hero-bg{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 55%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,27,42,.88),rgba(8,27,42,.64) 35%,rgba(8,27,42,.06) 80%),linear-gradient(0deg,rgba(8,27,42,.42),transparent 35%)}.hero-content{position:relative;padding-top:87px;padding-bottom:32px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2.2px;line-height:1.5;color:var(--red);margin-bottom:24px}.eyebrow.light{color:#dce8ed}.hero .eyebrow{display:flex;gap:11px;align-items:center}.hero .eyebrow>span{width:7px;height:7px;background:#e14549;display:block}.hero h1{line-height:1.04;font-weight:500;letter-spacing:-3px}.hero-content>p:not(.eyebrow){color:#d5dce0;font-size:18px;line-height:1.65;margin-top:23px}.actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.hero .actions{margin-top:32px}.text-link{font-size:14px;color:#fff}.text-link span{margin-left:16px}.hero-caption{display:flex;flex-direction:column;gap:3px;margin-top:53px;border-left:2px solid #c92a32;padding-left:15px}.hero-caption span{font-size:10px;letter-spacing:1.6px}.hero-caption small{font-size:10px;color:#c5d0d6}.hero-scroll{position:absolute;bottom:32px;right:48px;width:42px;height:42px;border:1px solid #ffffff66;border-radius:50%;display:grid;place-items:center}.brandstrip{border-bottom:1px solid var(--line)}.brandstrip .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px 60px}.brandstrip b{font-size:21px;letter-spacing:-.7px}.brandstrip span:not(.strip-line){display:block;font-size:11px;color:var(--muted)}.brandstrip p{font-size:13px;letter-spacing:.4px}.brandstrip .smart-brand{font-size:27px;font-weight:500;letter-spacing:4px}.strip-line{height:35px;width:1px;background:var(--line)}.section{padding:94px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:44px}.section-head>p{max-width:360px;font-size:15px}.section-head h2{letter-spacing:-1.8px}.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.solution{border-bottom:1px solid var(--line)}.solution-img{position:relative;height:310px;background:#e1e4e5;overflow:hidden}.solution-img img{height:100%;object-fit:cover;transition:transform .5s}.solution:first-child .solution-img img{object-fit:cover;object-position:center}.solution:hover img{transform:scale(1.035)}.solution-tag{position:absolute;bottom:20px;left:23px;background:white;color:var(--navy);padding:6px 11px;font-size:10px;letter-spacing:1px;font-weight:700}.solution-body{padding:28px 0 25px}.solution-body h3{font-size:31px}.solution-body p{max-width:500px;font-size:14px;margin-top:17px}.more{font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:space-between;margin-top:26px}.more>span{font-size:25px;color:var(--red)}.about{background:var(--soft)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.about-grid h2{line-height:1.15}.since{border-top:1px solid #cfd7dd;display:flex;align-items:center;gap:22px;margin-top:35px;padding-top:20px;max-width:330px}.since b{font-size:45px;line-height:1;font-weight:500;letter-spacing:-2px}.since span{font-size:12px;line-height:1.5;color:var(--muted)}.lead{font-size:21px;line-height:1.55;color:var(--ink)}.about-grid>div>p+p,.editorial>div>p+p{margin-top:20px;font-size:15px}.underlink{display:inline-block;font-size:14px;font-weight:600;border-bottom:1px solid var(--red);padding-bottom:6px;margin-top:27px}.featured-project{display:grid;grid-template-columns:1.25fr 1fr;background:var(--navy);color:white}.project-img{position:relative;min-height:435px;overflow:hidden}.project-img img{height:100%;object-fit:cover;position:absolute}.project-img>span{position:absolute;top:23px;left:25px;font-size:10px;letter-spacing:1.5px;color:white;background:#10243ac9;padding:8px 12px}.project-img>small{position:absolute;bottom:12px;left:18px;color:white;background:#10243ac9;font-size:9px;padding:3px 6px}.project-info{padding:43px}.project-info .eyebrow{color:#bbc8d1;margin-bottom:18px;font-size:10px}.project-info h3{font-size:43px;letter-spacing:-1.5px}.project-stat{display:flex;gap:20px;align-items:center;margin:27px 0}.project-stat b{font-size:68px;line-height:1;font-weight:400;letter-spacing:-3px}.project-stat span{font-size:12px;line-height:1.6;color:#c3d0d9}.project-info>p:not(.eyebrow){font-size:13px;color:#c3d0d9}.tags{display:flex;gap:8px;margin-top:23px}.tags span{border:1px solid #ffffff33;padding:5px 10px;font-size:10px;color:#d2dde4}.ref-row{display:grid;grid-template-columns:50px 1.2fr 1fr 28px;gap:18px;align-items:center;border-bottom:1px solid var(--line);padding:28px 0}.ref-no{font-size:12px;color:#8a959e}.ref-place{font-size:10px;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:6px}.ref-row h3{font-size:22px;letter-spacing:-.5px}.ref-row>p{font-size:13px;max-width:350px}.ref-arrow{font-size:23px;color:var(--red)}.process{background:#f7f7f5}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:44px}.process-grid article{border-top:1px solid #ccd3d6;padding-top:24px}.process-grid article>span,.automation-grid article>span{font-size:12px;color:var(--red)}.process-grid h3{font-size:23px;margin:14px 0}.process-grid p{font-size:14px}.contact{background:var(--navy);color:white;padding:83px 0}.contact-top{display:grid;grid-template-columns:1.1fr 1fr;gap:80px}.contact h2{font-size:42px;line-height:1.16}.contact p{color:#b6c6d2}.contact-top>div>p:not(.eyebrow){font-size:14px;margin-top:22px}.contact-details{border-left:1px solid #ffffff26;padding-left:45px}.phone-main{font-size:36px;line-height:1.25;white-space:nowrap;letter-spacing:-1px}.contact-details>p{font-size:12px;margin:10px 0 20px}.contact-details .btn{font-size:12px;padding:15px 20px;min-height:50px}.contact-details .actions{gap:13px;margin-bottom:20px}.contact-alt{display:block;font-size:16px;margin-top:5px}.otherphones{font-size:12px;color:#b6c6d2;margin-top:13px}.otherphones summary{cursor:pointer}.otherphones a{display:block;margin-top:8px}form{border-top:1px solid #ffffff26;margin-top:45px;padding-top:32px}.form-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:25px}.form-heading h3{font-size:25px}.form-heading p{font-size:11px;max-width:350px}.form-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:start}label{font-size:12px;display:block;margin-bottom:9px}select,textarea{width:100%;border:1px solid #b8c5cf;border-radius:0;background:#fff;color:var(--ink);padding:15px 16px;font-size:14px;line-height:1.5}select{min-height:54px}textarea{min-height:100px;resize:vertical}.contact form>.btn{margin-top:22px}.form-hint{font-size:10px;margin-top:12px}footer{background:#091a2a;color:#c1ccd4;padding:48px 0 0}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px;padding-bottom:35px}.footer-brand{font-size:32px;letter-spacing:5px;font-weight:600;color:white;line-height:1.2;display:inline-block}.footer-brand span{display:block;font-size:8px;letter-spacing:2px;margin-top:7px}.footer-top>div>p:not(.footer-label){font-size:12px;margin-top:15px;color:#98a9b7}.footer-label{color:#7f95a6;font-size:10px;letter-spacing:1.7px;margin-bottom:13px}.footer-top>div>a:not(.footer-brand){display:block;font-size:12px;margin-top:6px}.footer-bottom{border-top:1px solid #ffffff15;display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#8197a8;padding:20px 0 27px}.floating-wa{position:fixed;right:24px;bottom:22px;z-index:25;display:flex;align-items:center;gap:9px;background:#168348;color:white;border-radius:40px;padding:13px 20px;font-size:13px;font-weight:700;box-shadow:0 4px 20px #0002;border:2px solid #ffffff18}.subhero{padding:30px 0 65px;background:var(--soft)}.breadcrumb{font-size:11px;margin-bottom:55px;color:#7a8590}.breadcrumb a:hover{color:var(--red)}.subhero-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.subhero h1{font-size:60px;letter-spacing:-2.5px}.subhero .lead{font-size:18px;margin:23px 0 27px;color:var(--muted);max-width:480px}.climate-hero{width:100%;height:350px;object-fit:contain}.smart-hero{height:450px;object-fit:cover}.subhero figcaption{font-size:9px;color:var(--muted);margin-top:8px}.editorial{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px}.editorial h2{font-size:45px;line-height:1.17}.clean-list{list-style:none;padding:0;margin:25px 0 0}.clean-list li{border-top:1px solid #d5dde2;padding:13px 0;font-size:14px}.clean-list li:before{content:'↗';margin-right:13px;color:var(--red)}.note{font-size:11px!important;color:#7b8590}.compact-project{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.compact-project img{height:350px;object-fit:cover}.compact-project h2{font-size:38px}.compact-project p:not(.eyebrow){font-size:14px;margin-top:22px}.automation-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px 60px}.automation-grid article{border-top:1px solid #ccd6dc;padding-top:22px}.automation-grid h3{font-size:28px;margin:16px 0}.automation-grid p{font-size:14px;max-width:500px}.smart-focus-section{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}.smart-word{font-size:64px;letter-spacing:7px;text-align:center;padding:65px 20px;background:var(--soft);font-weight:400}.smart-word span{display:block;font-size:9px;letter-spacing:3px;margin-top:14px}.smart-focus-section h2{font-size:40px}.smart-focus-section p:not(.eyebrow){font-size:14px;margin-top:24px}
@media(min-width:1500px){.hero{min-height:710px}.hero-content{padding-top:110px}.hero-caption{margin-top:60px}}
@media(max-width:1150px){.wrap{width:calc(100% - 64px)}.nav{gap:20px}.nav nav{gap:17px}.nav nav a{font-size:11px}.navcta{display:none}.brandstrip .wrap{padding:25px}.contact-top{gap:40px}.phone-main{font-size:29px}.contact-details{padding-left:30px}.subhero h1{font-size:51px}.about-grid{gap:55px}.project-info{padding:33px}.section{padding:75px 0}}
@media(max-width:760px){html{scroll-padding-top:85px}.wrap{width:calc(100% - 40px)}.topbar .wrap{min-height:30px;justify-content:center}.topbar .wrap>span{font-size:10px}.topbar .wrap>div{display:none}.nav{height:80px}.brand{width:126px}.brand img{height:70px}.menu-toggle{display:flex;gap:12px;align-items:center;font-size:12px;border:0;background:transparent;color:var(--navy);padding:10px 0}.menu-toggle span{font-size:20px}.nav nav{display:none;position:absolute;top:80px;left:0;right:0;background:white;padding:15px 20px 25px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px #0001}.nav nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav nav a{font-size:15px;padding:11px 0}.nav nav a.active:after{display:none}.hero{min-height:620px}.hero-content{padding-top:65px}.hero h1{font-size:63px;letter-spacing:-2.6px}.hero-shade{background:linear-gradient(90deg,#0a2033e6,#0a20339c),linear-gradient(0deg,#0a203344,transparent)}.hero-content>p:not(.eyebrow){font-size:16px}.eyebrow{font-size:9px;letter-spacing:1.7px;margin-bottom:20px}.hero .actions{gap:22px;margin-top:29px;align-items:flex-start;flex-direction:column}.btn{font-size:13px;padding:16px 20px;gap:18px}.hero-caption{margin-top:42px}.hero-scroll{right:22px;bottom:25px;width:34px;height:34px}.brandstrip .wrap{padding:25px 0;gap:17px}.brandstrip b{font-size:15px;letter-spacing:-.5px}.brandstrip span:not(.strip-line){font-size:9px}.brandstrip .smart-brand{font-size:23px;letter-spacing:2px}.brandstrip p,.brandstrip .strip-line:nth-of-type(2){display:none}.strip-line{height:33px}.section{padding:58px 0}.section-head{display:block;margin-bottom:30px}.section-head>p{margin-top:22px;max-width:100%;font-size:14px}h2{font-size:36px;letter-spacing:-1.4px}.solution-grid,.about-grid,.featured-project,.contact-top,.form-grid,.editorial,.subhero-grid,.compact-project,.smart-focus-section{grid-template-columns:1fr;gap:30px}.solution-grid{gap:35px}.solution-img{height:260px}.solution-body{padding-top:22px}.solution-body h3{font-size:29px}.solution-body p{font-size:14px}.about-grid{gap:32px}.about-grid h2{font-size:39px}.since{margin-top:26px}.lead{font-size:19px}.featured-project{gap:0}.project-img{min-height:265px}.project-info{padding:29px}.project-info h3{font-size:37px}.project-stat{margin:22px 0}.project-stat b{font-size:60px}.ref-row{grid-template-columns:27px 1fr;gap:5px 12px;padding:23px 0}.ref-row h3{font-size:21px}.ref-place{font-size:9px}.ref-row>p{grid-column:2;font-size:12px;margin-top:8px}.ref-arrow{display:none}.ref-no{align-self:start;margin-top:5px}.process-grid{grid-template-columns:1fr;gap:25px;margin-top:30px}.process-grid article{padding-top:18px}.process-grid h3{font-size:24px;margin:8px 0 12px}.contact{padding:58px 0}.contact h2{font-size:35px}.contact-top>div>p:not(.eyebrow){margin-top:17px}.contact-details{padding-left:0;border-left:0;border-top:1px solid #ffffff26;padding-top:28px}.phone-main{font-size:32px}.contact-alt{font-size:16px}.contact-details .actions{flex-wrap:nowrap;gap:12px}.contact-details .btn{font-size:12px;padding:14px 17px}.contact form{margin-top:32px;padding-top:25px}.form-heading{display:block;margin-bottom:23px}.form-heading h3{font-size:25px}.form-heading p{font-size:11px;margin-top:12px}.form-grid{gap:20px}select,textarea{font-size:16px}.form-hint{max-width:300px}.footer-top{grid-template-columns:1fr 1fr;gap:30px 20px}.footer-top>div:first-child{grid-column:1 / -1}.footer-bottom{flex-direction:column;font-size:9px;padding-bottom:85px;gap:3px}.floating-wa{right:15px;bottom:15px;padding:11px 15px;font-size:12px}.subhero{padding:22px 0 42px}.breadcrumb{margin-bottom:36px;font-size:10px}.subhero h1{font-size:49px;letter-spacing:-2px}.subhero .lead{font-size:17px}.smart-hero{height:320px}.climate-hero{height:220px}.editorial h2{font-size:36px}.editorial>div>p+p{font-size:14px}.compact-project img{height:245px}.compact-project h2{font-size:33px}.automation-grid{grid-template-columns:1fr;gap:28px}.automation-grid h3{font-size:26px}.smart-word{font-size:48px;padding:42px 20px}.smart-focus-section h2{font-size:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Tulpar VRF engineering-led homepage */
.hero-content{padding-top:68px}.hero .eyebrow{font-size:10px;letter-spacing:1.8px;max-width:600px}.hero-content>.hero-kicker{font-size:13px!important;letter-spacing:3px;color:#d8e4eb!important;margin:0 0 15px!important;font-weight:600}.hero h1{font-size:clamp(52px,6.1vw,84px);line-height:1.08}.hero-content>p:not(.eyebrow):not(.hero-kicker){max-width:620px}.hero-image-note{position:absolute;right:48px;bottom:13px;font-size:9px;color:#c7d1d9}.hero-caption{margin-top:37px}.brandstrip .smart-brand{font-size:22px;letter-spacing:1.4px}.smart-word{font-size:42px;letter-spacing:3px}.smart-focus-section h2{font-size:40px}
@media(max-width:760px){.hero-content{padding-top:52px}.hero .eyebrow{font-size:8px;letter-spacing:1.15px;max-width:350px;line-height:1.7}.hero h1{font-size:clamp(43px,10.5vw,62px);letter-spacing:-2px}.hero-content>.hero-kicker{font-size:10px!important;letter-spacing:2.3px;margin-bottom:12px!important}.hero-content>p:not(.eyebrow):not(.hero-kicker){font-size:15px}.hero-image-note{right:20px;bottom:9px;font-size:8px}.hero-caption{margin-top:35px}.brandstrip .smart-brand{font-size:18px;letter-spacing:.6px}.smart-word{font-size:36px}.smart-focus-section h2{font-size:36px}}

.hero .eyebrow{flex-wrap:wrap;align-items:center;column-gap:12px;row-gap:7px}.hero .eyebrow b{font-size:23px;letter-spacing:2px;font-weight:700;color:white}.hero .eyebrow i{font-size:9px;font-style:normal;letter-spacing:1.4px;border-left:1px solid #ffffff55;padding-left:12px}.hero .eyebrow{max-width:680px}@media(max-width:760px){.hero .eyebrow b{font-size:23px}.hero .eyebrow i{flex-basis:100%;border-left:0;padding-left:0;font-size:8px;letter-spacing:1.4px}.hero .eyebrow{margin-bottom:24px}}

.references-intro{padding-bottom:60px}.references-intro h1{font-size:clamp(42px,5.5vw,72px);line-height:1.1}.references-intro .lead{max-width:620px;margin-top:25px;font-size:18px}.references-intro+.references{padding-top:65px}@media(max-width:760px){.references-intro{padding-bottom:40px}.references-intro h1{font-size:43px;letter-spacing:-1.7px}.references-intro .lead{font-size:16px}.references-intro+.references{padding-top:45px}}

.kxz2-showcase{margin-top:55px;background:var(--navy);color:white;overflow:hidden}.kxz2-showcase>img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.kxz2-showcase figcaption{padding:25px 32px;display:flex;justify-content:space-between;align-items:center;gap:35px}.kxz2-showcase figcaption span{display:block;font-size:9px;letter-spacing:1.8px;color:#b9c9d5}.kxz2-showcase figcaption strong{display:block;font-size:27px;line-height:1.3;font-weight:500;letter-spacing:-.5px;margin-top:6px}.kxz2-showcase figcaption p{font-size:13px;max-width:420px;color:#d1dde5}.kxz2-showcase figcaption small{display:block;font-size:9px;color:#a7bac8;margin-top:7px}@media(max-width:760px){.kxz2-showcase{margin-top:35px}.kxz2-showcase figcaption{display:block;padding:22px}.kxz2-showcase figcaption strong{font-size:25px}.kxz2-showcase figcaption p{margin-top:15px;font-size:12px}}