@font-face{font-family:Inter;src:url('/fonts/inter-400-cyrillic.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('/fonts/inter-600-cyrillic.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Montserrat;src:url('/fonts/montserrat-700-cyrillic.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Montserrat;src:url('/fonts/montserrat-800-cyrillic.woff2') format('woff2');font-weight:800;font-display:swap}

:root{
  --navy:#0d2640;--navy-2:#183650;--navy-3:#244860;--mint:#11d99a;--mint-deep:#0ab781;--mint-pale:#e8fbf3;
  --ink:#263542;--text:#536573;--muted:#87939d;--line:#dce3e7;--soft:#f3f6f7;--white:#fff;
  --nitrogen:#7c9cc2;--argon:#9d7ce0;--helium:#5bbfe0;--warning:#edb24a;
  --display:Montserrat,Arial,sans-serif;--body:Inter,Arial,sans-serif;
  --container:1264px;--gutter:32px;--radius:8px;--radius-lg:14px;
  --shadow:0 2px 3px rgba(13,38,64,.05),0 12px 32px rgba(13,38,64,.07);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:125px}
body{margin:0;color:var(--ink);background:#fff;font:400 15px/1.65 var(--body);-webkit-font-smoothing:antialiased}
body:has(dialog[open]){overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{color:inherit}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--display);letter-spacing:-.025em;line-height:1.12}
h1{font-size:clamp(40px,5vw,68px)}
h2{margin-bottom:20px;font-size:clamp(30px,3.2vw,46px)}
h3{font-size:20px}
.container{width:min(calc(100% - var(--gutter)*2),var(--container));margin-inline:auto}
.skip-link{position:fixed;z-index:9999;left:20px;top:-100px;padding:10px 16px;background:#fff;color:var(--navy)}
.skip-link:focus{top:20px}
.eyebrow{display:block;margin-bottom:16px;color:var(--mint-deep);font:700 11px/1.2 var(--display);letter-spacing:.16em;text-transform:uppercase}
.eyebrow--light{color:var(--mint)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border:1px solid var(--navy);border-radius:var(--radius);background:var(--navy);color:#fff;font:700 14px/1 var(--display);cursor:pointer;transition:.18s ease}
.btn:hover{transform:translateY(-1px);background:var(--navy-3)}
.btn--mint{border-color:var(--mint);background:var(--mint);color:var(--navy)}
.btn--mint:hover{border-color:var(--mint-deep);background:var(--mint-deep);color:#fff}
.btn--ghost-light{border-color:rgba(255,255,255,.45);background:transparent;color:#fff}
.btn--ghost-light:hover{border-color:#fff;background:#fff;color:var(--navy)}
.btn--small{min-height:38px;padding:0 16px;border-color:var(--mint);background:transparent;color:var(--mint);font-size:12px}
.btn--small:hover{background:var(--mint);color:var(--navy)}
.btn--wide{width:100%}
.text-button{padding:0;border:0;background:none;color:var(--navy);font:700 13px var(--display);cursor:pointer}
.text-button:hover{color:var(--mint-deep)}

/* Header */
.site-header{position:sticky;z-index:100;top:0;box-shadow:0 1px 0 rgba(13,38,64,.12)}
.utility{height:30px;background:#071b2d;color:rgba(255,255,255,.68);font-size:11px;letter-spacing:.025em}
.utility__inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-shell{background:var(--navy);color:#fff}
.nav-shell__inner{display:flex;align-items:center;height:76px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:flex;align-items:flex-end;gap:3px;width:35px;height:38px;padding:7px 6px;border-radius:7px;background:var(--mint)}
.brand-mark i{display:block;width:6px;border:1.5px solid var(--navy);border-radius:3px 3px 1px 1px;background:transparent}
.brand-mark i:nth-child(1){height:15px}.brand-mark i:nth-child(2){height:24px}.brand-mark i:nth-child(3){height:19px}
.brand-copy{display:flex;flex-direction:column;font-family:var(--display);line-height:1}
.brand-copy strong{font-size:17px;letter-spacing:.02em;text-transform:uppercase}
.brand-copy small{margin-top:4px;color:rgba(255,255,255,.56);font-size:9px;letter-spacing:.25em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:23px;margin-left:auto}
.main-nav a{position:relative;color:rgba(255,255,255,.8);font:700 11px/76px var(--display);letter-spacing:.035em;text-transform:uppercase;white-space:nowrap}
.main-nav a:hover{color:#fff}
.main-nav a::after{content:"";position:absolute;right:0;bottom:18px;left:0;height:2px;background:var(--mint);transform:scaleX(0);transition:.16s ease}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav .nav-feature{color:var(--mint)}
.nav-contacts{display:flex;align-items:center;gap:14px}
.phone{font:700 14px var(--display);white-space:nowrap}
.menu-button{display:none;width:42px;height:42px;padding:10px;border:0;background:transparent}
.menu-button span{display:block;height:2px;margin:5px 0;background:#fff}

/* Hero */
.hero{padding:28px 0 0;background:var(--navy);color:#fff}
.hero__grid{display:grid;grid-template-columns:1fr 1.1fr;min-height:585px;overflow:hidden;border-radius:var(--radius-lg);background:var(--navy-2)}
.hero__content{display:flex;flex-direction:column;justify-content:center;padding:64px 54px}
.hero h1{margin-bottom:26px;font-size:clamp(42px,4.5vw,66px)}
.hero h1 em{color:var(--mint);font-style:normal}
.hero__content>p{max-width:570px;margin-bottom:34px;color:rgba(255,255,255,.72);font-size:17px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.hero__media{position:relative;margin:0;min-height:420px;overflow:hidden}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy-2) 0,transparent 30%)}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media figcaption{position:absolute;z-index:1;right:18px;bottom:16px;max-width:330px;padding:8px 10px;border-radius:4px;background:rgba(7,27,45,.72);color:rgba(255,255,255,.7);font-size:10px}
.hero__facts{display:grid;grid-template-columns:repeat(4,1fr);padding:25px 0 31px;color:rgba(255,255,255,.55)}
.hero__facts span{display:flex;align-items:baseline;gap:8px;padding:0 24px;border-right:1px solid rgba(255,255,255,.1);font-size:12px}
.hero__facts span:first-child{padding-left:0}.hero__facts span:last-child{border:0}
.hero__facts b{color:var(--mint);font:700 18px var(--display)}

/* Generic sections */
.section{padding:92px 0}
.section--soft{background:var(--soft)}
.section--navy{background:var(--navy);color:#fff}
.section--tight{padding:55px 0}
.section-head{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);align-items:end;gap:60px;margin-bottom:44px}
.section-head h2{margin:0}
.section-head>p{margin:0;color:var(--text)}
.section-head--light>p{color:rgba(255,255,255,.65)}

/* Catalog */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}
.filter{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border:1px solid var(--line);border-radius:99px;background:#fff;color:var(--navy);font:700 12px var(--display);cursor:pointer}
.filter:hover,.filter.is-active{border-color:var(--navy);background:var(--navy);color:#fff}
.filter sup{opacity:.55}.dot{width:7px;height:7px;border-radius:50%}.dot--nitrogen{background:var(--nitrogen)}.dot--argon{background:var(--argon)}.dot--helium{background:var(--helium)}
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.product-grid--compact{grid-template-columns:repeat(4,1fr)}
.product-card{position:relative;display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid #e6ebee;border-radius:var(--radius);background:#fff;box-shadow:0 1px 2px rgba(13,38,64,.04);transition:.18s ease}
.product-card:hover{z-index:1;transform:translateY(-3px);box-shadow:var(--shadow)}
.product-card.is-hidden{display:none}
.product-card__media{position:relative;display:grid;height:230px;place-items:center;background:linear-gradient(180deg,#fbfcfc,#f5f7f8)}
.product-card__media img{width:170px;height:190px;object-fit:contain}
.gas-tag{position:absolute;z-index:1;top:12px;left:12px;padding:5px 7px;border-radius:4px;background:#edf3f8;color:#547491;font:700 9px var(--display);letter-spacing:.07em;text-transform:uppercase}
.gas-tag--argon{background:#f1edfa;color:#7659b9}.gas-tag--helium{background:#eaf8fc;color:#2f91b3}
.product-card__body{flex:1;padding:18px}
.product-card h3{margin-bottom:17px;font-size:15px}
.product-card dl{margin:0}
.product-card dl div{display:flex;align-items:baseline;justify-content:space-between;padding:6px 0;border-top:1px solid #eef1f3}
.product-card dt{color:var(--muted);font-size:11px}
.product-card dd{margin:0;color:var(--navy);font:700 14px var(--display)}
.product-card__action{height:42px;border:0;border-top:1px solid #e8edef;background:#fff;color:var(--navy);font:700 12px var(--display);cursor:pointer}
.product-card__action:hover{background:var(--mint);color:var(--navy)}
.catalog-note{margin:20px 0 0;color:var(--muted);font-size:11px}

/* Service / flow */
.service-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:72px}
.service-intro{position:sticky;top:140px;align-self:start}
.service-intro p{max-width:440px;color:var(--text);font-size:16px}
.service-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.service-list article{min-height:235px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.service-list article>span{color:var(--mint-deep);font:700 11px var(--display)}
.service-list h3{margin:45px 0 12px}.service-list p{color:var(--text);font-size:13px}.service-list a{color:var(--mint-deep);font:700 12px var(--display)}
.service-list--three{grid-template-columns:repeat(3,1fr)}
.split-feature{display:grid;grid-template-columns:1fr .65fr;gap:80px;align-items:center}
.numbered{margin:35px 0 0;padding:0;list-style:none;counter-reset:steps}
.numbered li{position:relative;display:flex;flex-direction:column;padding:18px 20px 18px 58px;border-top:1px solid var(--line);counter-increment:steps}
.numbered li::before{content:"0" counter(steps);position:absolute;left:8px;top:22px;color:var(--mint-deep);font:700 11px var(--display)}
.numbered b{font:700 15px var(--display)}.numbered span{color:var(--text);font-size:13px}
.quote-card{padding:55px;border-radius:var(--radius-lg);background:var(--navy);color:#fff}
.quote-card__num{display:block;margin-bottom:22px;color:var(--mint);font:800 44px var(--display);letter-spacing:-.04em}
.quote-card p{color:rgba(255,255,255,.65)}.quote-card a{font:700 20px var(--display)}
.contact-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:50px;padding:48px 52px;border-radius:var(--radius-lg);background:var(--navy);color:#fff}
.contact-panel h2{margin-bottom:10px;font-size:clamp(28px,3vw,40px)}
.contact-panel p{max-width:700px;margin:0;color:rgba(255,255,255,.65)}
.contact-panel__actions{display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.contact-panel__phone{font:700 20px var(--display)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.55fr 1.45fr;gap:80px}
.faq-grid>div:first-child p{max-width:340px;color:var(--text)}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;padding:22px 48px 22px 0;font:700 15px var(--display);cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:8px;top:16px;color:var(--mint-deep);font:400 25px var(--body)}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{max-width:800px;padding:0 55px 22px 0;margin:0;color:var(--text);font-size:13px}

/* Gas pages */
.gas-hero,.page-hero{padding:75px 0;background:var(--navy);color:#fff}
.gas-hero__grid{display:grid;grid-template-columns:1.5fr .5fr;align-items:center;gap:80px}
.gas-hero h1,.page-hero h1{max-width:950px;margin-bottom:25px}
.gas-hero p,.page-hero p{max-width:720px;margin-bottom:32px;color:rgba(255,255,255,.7);font-size:17px}
.gas-symbol{display:grid;width:230px;height:230px;place-content:center;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:inset 0 0 0 20px rgba(255,255,255,.025);text-align:center}
.gas-symbol span{color:var(--mint);font:800 72px/1 var(--display)}
.gas-symbol small{margin-top:12px;color:rgba(255,255,255,.55);font:700 11px var(--display);letter-spacing:.18em;text-transform:uppercase}
.application-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.application-grid p{max-width:480px;color:var(--text)}
.application-grid ul{display:grid;grid-template-columns:1fr 1fr;margin:0;padding:0;list-style:none;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.application-grid li{display:flex;min-height:115px;align-items:center;gap:20px;padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;font:700 14px var(--display)}
.application-grid li span{color:var(--mint-deep);font-size:10px}

/* Equipment */
.equipment-hero{padding:35px 0;background:var(--navy);color:#fff}
.equipment-hero__grid{display:grid;grid-template-columns:1.08fr .92fr;overflow:hidden;border-radius:var(--radius-lg);background:var(--navy-2)}
.equipment-hero__content{padding:54px}
.equipment-hero h1{margin-bottom:25px;font-size:clamp(38px,4vw,58px)}
.equipment-hero__content>p{max-width:700px;margin-bottom:30px;color:rgba(255,255,255,.72);font-size:16px}
.equipment-hero__trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:35px}
.equipment-hero__trust span{padding:6px 9px;border:1px solid rgba(255,255,255,.14);border-radius:4px;color:rgba(255,255,255,.65);font-size:10px}
.equipment-hero__media{position:relative;margin:0;min-height:570px}
.equipment-hero__media img{width:100%;height:100%;object-fit:cover}
.equipment-hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy-2),transparent 24%)}
.equipment-hero__media figcaption{position:absolute;z-index:1;right:15px;bottom:15px;left:15px;padding:9px;background:rgba(7,27,45,.78);color:rgba(255,255,255,.68);font-size:10px}
.anchor-nav{position:sticky;z-index:80;top:106px;border-bottom:1px solid var(--line);background:#fff}
.anchor-nav .container{display:flex;gap:34px;overflow:auto}
.anchor-nav a{padding:16px 0;color:var(--text);font:700 11px var(--display);white-space:nowrap}
.anchor-nav a:hover{color:var(--mint-deep)}
.equipment-intro__grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}
.prose p{color:var(--text);font-size:16px}.prose p+p{margin-top:22px}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.solution-card{display:flex;flex-direction:column;min-height:410px;padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.solution-card--featured{border-color:rgba(17,217,154,.55);box-shadow:inset 0 4px 0 var(--mint)}
.solution-card__top{display:flex;align-items:center;justify-content:space-between;color:var(--mint-deep);font:700 11px var(--display)}
.solution-card__top i{padding:5px 7px;border-radius:4px;background:var(--mint-pale);font-style:normal;text-transform:uppercase}
.solution-card h3{margin:45px 0 12px;font-size:24px}.solution-card p{color:var(--text)}
.solution-card ul{padding-left:18px;color:var(--text);font-size:13px}.solution-card .text-button{align-self:flex-start;margin-top:auto}
.compare-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
.compare-table{width:100%;min-width:900px;border-collapse:collapse;font-size:13px}
.compare-table th{padding:16px 18px;background:var(--navy);color:#fff;font:700 11px var(--display);text-align:left;text-transform:uppercase}
.compare-table td{padding:17px 18px;border-bottom:1px solid var(--line);color:var(--text)}
.compare-table tr:last-child td{border-bottom:0}.compare-table td:first-child{color:var(--navy);font:700 13px var(--display)}
.workflow{display:grid;grid-template-columns:repeat(4,1fr);margin:10px 0 0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.14);border-left:1px solid rgba(255,255,255,.14)}
.workflow li{min-height:260px;padding:28px;border-right:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
.workflow span{color:var(--mint);font:700 11px var(--display)}.workflow h3{margin:65px 0 12px}.workflow p{color:rgba(255,255,255,.6);font-size:13px}
.requirements-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}
.requirements-grid>div:first-child{position:sticky;top:180px;align-self:start}.requirements-grid>div:first-child p{margin-bottom:28px;color:var(--text)}
.requirements-list{border-top:1px solid var(--line)}
.requirements-list article{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:24px 0;border-bottom:1px solid var(--line)}
.requirements-list b{color:var(--mint-deep);font:700 11px var(--display)}.requirements-list h3{margin:0 0 8px;font-size:16px}.requirements-list p{margin:0;color:var(--text);font-size:13px}
.brief{display:grid;grid-template-columns:.8fr 1.2fr auto;align-items:center;gap:55px;padding:48px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
.brief h2{margin:0;font-size:34px}.brief ul{columns:2;gap:32px;margin:0;padding-left:18px;color:var(--text);font-size:13px}.brief li{break-inside:avoid;margin-bottom:8px}

/* Page / legal */
.page-hero--short{padding:65px 0}.page-hero--short p{margin-bottom:0}
.legal .container{max-width:900px}.legal h2{margin-top:45px;font-size:23px}.legal p{color:var(--text)}
.requisites-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}.requisites-grid>div:first-child p{color:var(--text)}.requisites{margin:0;border-top:1px solid var(--line)}.requisites div{display:grid;grid-template-columns:190px 1fr;gap:25px;padding:18px 0;border-bottom:1px solid var(--line)}.requisites dt{color:var(--muted);font-size:12px}.requisites dd{margin:0;color:var(--navy);font:600 14px/1.5 var(--body)}.requisites a{color:var(--mint-deep);font-weight:700}
.error-page{display:grid;min-height:100vh;place-items:center;padding:30px;background:var(--soft);text-align:center}.error-page>div{max-width:650px}.error-page p{color:var(--text)}

/* Modal */
.modal{width:min(92vw,520px);padding:0;border:0;border-radius:var(--radius-lg);box-shadow:0 25px 80px rgba(7,27,45,.3)}
.modal::backdrop{background:rgba(7,27,45,.78);backdrop-filter:blur(4px)}
.modal__close{position:absolute;z-index:2;right:15px;top:12px;width:36px;height:36px;border:0;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:24px;cursor:pointer}
.modal__head{padding:34px 40px 30px;background:var(--navy);color:#fff}.modal__head h2{margin-bottom:10px;font-size:30px}.modal__head p{margin:0;color:rgba(255,255,255,.65);font-size:13px}
.lead-form{display:grid;gap:15px;padding:30px 40px 36px}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.lead-form label{display:grid;gap:5px;color:var(--text);font-size:11px}
.lead-form input,.lead-form textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:6px;background:#f8fafb;color:var(--ink);outline:none}
.lead-form input:focus,.lead-form textarea:focus{border-color:var(--mint-deep);box-shadow:0 0 0 3px rgba(17,217,154,.12)}
.lead-form .consent{display:flex;grid-template-columns:auto 1fr;align-items:flex-start;gap:9px}.lead-form .consent input{width:auto;margin-top:5px}.consent a{text-decoration:underline}
.form-status{min-height:18px;margin:0;text-align:center;font-size:12px}.form-status.is-success{color:#087e5a}.form-status.is-error{color:#b32b2b}.lead-form button:disabled{cursor:wait;opacity:.65}

/* Footer + mobile CTA */
.site-footer{padding:60px 0 22px;background:#071b2d;color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:55px}
.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:8px;color:rgba(255,255,255,.55);font-size:12px}
.footer-grid>div:first-child p{max-width:350px;margin-top:12px}.footer-grid b{margin-bottom:13px;color:#fff;font:700 12px var(--display);text-transform:uppercase}.footer-grid a:hover{color:var(--mint)}
.brand--footer{margin-bottom:8px;color:#fff}.footer-phone{color:var(--mint);font:700 16px var(--display)}
.footer-bottom{display:flex;justify-content:space-between;margin-top:45px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);color:rgba(255,255,255,.35);font-size:10px}
.mobile-cta{display:none}

@media(max-width:1120px){
  :root{--gutter:24px}.main-nav{gap:14px}.main-nav a{font-size:10px}.nav-contacts .btn{display:none}.product-grid{grid-template-columns:repeat(4,1fr)}
  .hero__content,.equipment-hero__content{padding:42px}.brief{grid-template-columns:1fr 1fr}.brief .btn{grid-column:1/-1}.workflow li{padding:22px}
}
@media(max-width:900px){
  .utility{display:none}.nav-shell__inner{height:68px}.main-nav{position:fixed;inset:68px 0 auto;display:none;padding:20px var(--gutter) 30px;background:var(--navy);border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:flex-start;gap:0}.main-nav.is-open{display:flex}.main-nav a{width:100%;font-size:13px;line-height:46px}.main-nav a::after{display:none}.nav-contacts{margin-left:auto}.menu-button{display:block}.anchor-nav{top:68px}
  .hero__grid{grid-template-columns:1fr;min-height:auto}.hero__content{padding:60px 42px}.hero__media{min-height:420px}.hero__media::after{background:linear-gradient(180deg,var(--navy-2),transparent 28%)}.hero__facts{grid-template-columns:1fr 1fr}.hero__facts span{padding:13px 0;border-right:0}
  .section{padding:70px 0}.section-head,.service-grid,.split-feature,.faq-grid,.application-grid,.equipment-intro__grid,.requirements-grid,.requisites-grid{grid-template-columns:1fr;gap:38px}.service-intro,.requirements-grid>div:first-child{position:static}.product-grid,.product-grid--compact{grid-template-columns:repeat(3,1fr)}
  .gas-hero__grid{grid-template-columns:1fr auto;gap:30px}.gas-symbol{width:170px;height:170px}.gas-symbol span{font-size:54px}
  .equipment-hero__grid{grid-template-columns:1fr}.equipment-hero__media{min-height:440px}.equipment-hero__media::after{background:linear-gradient(180deg,var(--navy-2),transparent 28%)}.workflow{grid-template-columns:1fr 1fr}.brief{grid-template-columns:1fr}.brief .btn{grid-column:auto}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}
}
@media(max-width:640px){
  :root{--gutter:16px}.nav-contacts .phone{display:none}.brand-copy strong{font-size:15px}.section{padding:58px 0}.section--tight{padding:36px 0}h2{font-size:30px}.section-head{margin-bottom:30px}
  .hero{padding-top:0}.hero__grid{width:100%;border-radius:0}.hero__content{padding:48px 22px}.hero h1{font-size:40px}.hero__content>p{font-size:15px}.hero__actions .btn{width:100%}.hero__media{min-height:300px}.hero__media figcaption{display:none}.hero__facts{padding:18px 0 25px}.hero__facts span{display:block;font-size:10px}.hero__facts b{display:block;font-size:16px}
  .filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}.filter{flex:0 0 auto}.product-grid,.product-grid--compact{grid-template-columns:1fr 1fr;gap:8px}.product-card__media{height:180px}.product-card__media img{width:135px;height:145px}.product-card__body{padding:13px}.product-card h3{font-size:13px}.product-card dd{font-size:12px}.gas-tag{top:8px;left:8px;font-size:8px}
  .service-list,.service-list--three,.application-grid ul{grid-template-columns:1fr}.service-list article{min-height:190px}.service-list h3{margin-top:30px}.quote-card{padding:34px}.contact-panel{grid-template-columns:1fr;padding:34px 24px}.contact-panel__actions{align-items:flex-start}.contact-panel .btn{width:100%}.faq-list summary{font-size:14px}
  .gas-hero,.page-hero{padding:50px 0}.gas-hero__grid{grid-template-columns:1fr}.gas-symbol{display:none}.gas-hero h1,.page-hero h1{font-size:39px}.gas-hero p,.page-hero p{font-size:15px}
  .equipment-hero{padding:0}.equipment-hero__grid{width:100%;border-radius:0}.equipment-hero__content{padding:42px 22px}.equipment-hero h1{font-size:37px}.equipment-hero__media{min-height:320px}.equipment-hero__media figcaption{display:none}.anchor-nav .container{gap:22px}.solution-grid,.workflow{grid-template-columns:1fr}.solution-card{min-height:390px;padding:26px}.workflow li{min-height:220px}.brief{padding:28px 22px}.brief h2{font-size:29px}.brief ul{columns:1}.compare-wrap{margin-right:calc(var(--gutter)*-1)}
  .requisites div{grid-template-columns:1fr;gap:5px}
  .modal__head{padding:30px 24px 24px}.lead-form{padding:25px 24px 30px}.footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px;padding-bottom:62px}.mobile-cta{position:fixed;z-index:90;right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr 1.2fr;box-shadow:0 -5px 20px rgba(13,38,64,.14)}.mobile-cta a,.mobile-cta button{display:grid;height:54px;place-items:center;border:0;background:var(--navy);color:#fff;font:700 12px var(--display)}.mobile-cta button{background:var(--mint);color:var(--navy)}
}
@media(max-width:390px){.product-grid,.product-grid--compact{grid-template-columns:1fr}.product-card__media{height:220px}.product-card__media img{width:175px;height:185px}.footer-grid{grid-template-columns:1fr}.footer-grid>div{grid-column:auto!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}