@import url('https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;450;500;600;700;800&display=swap');
:root{--paper:#f5f5f2;--ink:#25292c;--muted:#656b70;--line:#d6d9d9;--silver:#899095}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Golos Text',Arial,sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button,img{max-width:100%}img{display:block}button{color:inherit}.wrap{width:calc(100% - 100px);max-width:1440px;margin-inline:auto}
.site-header{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.logo{display:inline-flex;align-items:center;gap:12px;flex:none;color:var(--ink)}.logo-wordmark{display:flex;flex-direction:column;gap:3px;white-space:nowrap}.brand-name{font-size:31px;font-weight:600;letter-spacing:-1.5px;line-height:1}.brand-descriptor{font-size:10px;font-weight:500;letter-spacing:.7px;line-height:1.25}.logo-mark{position:relative;width:32px;height:33px;display:inline-block;flex:none}.logo-mark i{position:absolute;border-radius:50%;background:#727a7f;width:20px;height:20px;top:0;left:0}.logo-mark i:nth-child(2){width:13px;height:13px;top:13px;left:19px;background:#a4aaae}.logo-mark i:nth-child(3){width:10px;height:10px;top:23px;left:6px;background:#bcc1c4}nav{display:flex;gap:32px;font-size:12px}nav a:hover,.nav-end>a:hover{color:#7c8489}.nav-end{display:flex;gap:30px;font-size:12px;align-items:center}.nav-end>a{border-bottom:1px solid var(--ink);padding:8px 0}.nav-end>a span[aria-hidden]{margin-left:12px}.language{font-size:10px;letter-spacing:1px}
.hero{display:grid;grid-template-columns:1fr 1.08fr;column-gap:5%;padding-top:52px}.hero-copy{padding-top:12px;min-width:0}.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:500;letter-spacing:1.3px;line-height:1.6;text-transform:uppercase}.status-dot{width:5px;height:5px;border-radius:50%;background:#626d73;flex:none}h1{font-size:clamp(52px,6.4vw,100px);font-weight:450;line-height:1.06;letter-spacing:-.055em;margin:42px 0 26px}h1 span{color:#8a9094}.intro{font-size:15px;line-height:1.8;color:var(--muted);margin:0}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;background:#30363a;border:1px solid #30363a;color:#fff;padding:17px 22px;font-size:12px;margin-top:27px;transition:background .2s}.primary>span[aria-hidden]{font-size:20px;line-height:1}.primary:hover{background:#4e585f}.hero-note{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:10px;line-height:1.6;margin-top:45px}.small-rule{height:1px;width:35px;background:#8b9397}.micrograph{margin:0;min-width:0;align-self:stretch;display:flex;flex-direction:column}.micrograph-open{display:block;position:relative;overflow:hidden;padding:0;border:0;background:#636669;width:100%;min-height:515px;flex:1;text-align:left}.micrograph-open>img{position:absolute;inset:0;height:100%;width:100%;object-fit:cover;object-position:49% 50%;transition:transform .7s}.micrograph-open:hover>img{transform:scale(1.025)}.hero-foot{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1px;color:var(--muted);padding:38px 0 27px}.hero-foot a{font-size:11px;letter-spacing:0;color:var(--ink)}.hero-foot a span[aria-hidden]{margin-left:15px}.intro-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:35px;padding-block:32px}.intro-strip p{margin:0;font-size:17px;line-height:1.6}.intro-strip p [data-i18n="about.second"]{color:var(--muted)}.traits{display:flex;gap:35px}.traits>span{font-size:11px;display:flex;flex-direction:column;gap:12px}.traits b{font-size:10px;color:#868d91;font-weight:400}
.section{padding-block:85px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}h2{font-size:clamp(32px,3.5vw,48px);font-weight:450;letter-spacing:-.045em;line-height:1.15;margin:20px 0 0}.section-head>p{font-size:13px;line-height:1.9;color:var(--muted);margin:0 45px 3px 0}.materials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.material{padding:0;border:0;background:transparent;display:block;text-align:left;border-bottom:1px solid var(--line);transition:border .2s}.material.active{border-bottom:2px solid #3c454c}.material-image{position:relative;aspect-ratio:1.55;overflow:hidden;background:#c0c4c5}.material-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.crop-one img{object-position:15% 20%;transform:scale(1.3)}.crop-two img{object-position:80% 55%;transform:scale(1.9)}.crop-three img{object-position:45% 70%;transform:scale(1.1)}.material:hover img{filter:brightness(1.1)}.num{position:absolute;top:14px;left:14px;background:#f5f5f2ed;padding:8px 10px;font-size:9px;letter-spacing:1px}.material-copy{padding:20px 0 21px;display:grid;grid-template-columns:1fr auto;row-gap:8px}.material-title{font-size:21px;font-weight:450;letter-spacing:-.5px}.card-arrow{font-size:23px;font-weight:400}.material-subtitle{font-size:11px;color:var(--muted);grid-column:1/-1}.material-detail{padding:23px 0;display:flex;gap:40px;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;line-height:1.8;color:var(--muted)}.material-detail strong{color:#3b444a;font-size:10px;letter-spacing:1px;min-width:240px;font-weight:500}.material-detail>span{max-width:680px}.image-note{font-size:10px;color:var(--muted);line-height:1.7;margin:14px 0 0}
.applications{background:#2b3033;color:#f0f2f2;padding-block:75px}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:85px}.applications .eyebrow{color:#b3bbc0}.applications h2{margin-top:27px}.applications p{font-size:13px;line-height:1.8;color:#b2b9bd;max-width:335px;margin-top:25px}.app-row{padding:24px 0;border-bottom:1px solid #50575b;display:flex;gap:25px;align-items:baseline}.app-row:first-child{padding-top:8px}.app-row>span{font-size:10px;color:#a7b0b6}.app-row h3{font-size:20px;font-weight:400;line-height:1.5;margin:0}footer{border-top:1px solid var(--line);padding-block:25px;display:flex;justify-content:space-between;gap:20px;align-items:center;color:var(--muted);font-size:10px}footer .brand-name{font-size:27px}footer .brand-descriptor{font-size:9px}
dialog{border:1px solid var(--line);background:var(--paper);padding:30px;max-width:470px;width:90%;max-height:90dvh;overflow:auto;color:var(--ink)}dialog::backdrop{background:#1e252bd6;backdrop-filter:blur(6px)}.close{float:right;border:0;background:transparent;font-size:26px;width:36px;height:36px;line-height:1}.image-dialog{max-width:1180px;width:94%;padding:20px}.image-dialog>img{width:100%;height:auto;max-height:72dvh;object-fit:contain;background:#363b3f}:focus-visible{outline:2px solid #717c85;outline-offset:5px}body:has(dialog[open]){overflow:hidden}
@media(min-width:1600px){.hero{padding-top:65px}.micrograph-open{min-height:610px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}nav{gap:20px}.nav-end{gap:20px}.hero{column-gap:4%}h1{font-size:6.2vw;margin-top:38px}.micrograph-open{min-height:480px}.hero-note{margin-top:38px}.traits{gap:22px}.section-head>p{margin-right:0}.application-grid{gap:45px}.app-row h3{font-size:18px}.material-detail strong{min-width:210px}.contact{gap:25px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:76px}nav{display:none}.nav-end>a{font-size:10px}.logo{font-size:26px}.hero{grid-template-columns:1fr;padding-top:32px;gap:28px}.hero-copy{display:grid;grid-template-columns:1fr auto;padding-top:0}.hero-copy .eyebrow{grid-column:1/-1}.hero-copy h1{grid-column:1/-1;font-size:clamp(50px,9.4vw,72px);margin:24px 0;line-height:1.04}.intro{font-size:13px;grid-column:1/-1}.hero .primary{grid-column:1/-1;justify-self:start;margin-top:24px}.hero-note{display:none}.micrograph-open{min-height:0;aspect-ratio:1.12}.hero-foot{padding:0 0 24px;gap:20px;font-size:8px;line-height:1.7}.hero-foot>span{max-width:220px}.hero-foot a{font-size:10px;flex-shrink:0}.intro-strip{align-items:flex-start;flex-direction:column;gap:25px;padding-block:26px}.intro-strip p{font-size:17px}.traits{width:100%;justify-content:space-between;gap:12px}.traits>span{font-size:10px;line-height:1.5;max-width:110px}.section{padding-block:55px}.section-head{display:block;margin-bottom:25px}.section-head>p{margin-top:20px;font-size:12px}.section-head>p br{display:none}.section-head h2{font-size:38px}.materials{gap:16px}.material-image{aspect-ratio:1}.num{font-size:8px;letter-spacing:0;top:8px;left:8px;padding:6px}.material-copy{padding:14px 0;column-gap:3px}.material-title{font-size:16px}.card-arrow{font-size:18px}.material-subtitle{font-size:10px;line-height:1.6}.material-detail{display:block}.material-detail strong{display:block;margin-bottom:10px}.image-note{font-size:9px}.applications{padding-block:50px}.application-grid{grid-template-columns:1fr;gap:25px}.applications h2{font-size:38px}.app-row{padding:21px 0}.contact{padding-block:55px;display:block}.contact h2{font-size:37px}footer{flex-wrap:wrap;font-size:9px}footer>span{order:3;width:100%}.eyebrow{font-size:9px;letter-spacing:1px}}
@media(max-width:480px){.materials{grid-template-columns:1fr;gap:25px}.material-image{aspect-ratio:1.7}.material-title{font-size:22px}.material-subtitle{font-size:12px}.num{font-size:9px;top:14px;left:14px;padding:8px 10px}.card-arrow{font-size:23px}.nav-end>a{display:none}.hero-copy h1{font-size:13vw}.contact h2{font-size:33px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Abstract microsphere artwork and bilingual typography. */
.micrograph-open{background:#f0efec;min-height:550px}
.micrograph-open>img{object-position:50% 48%}


.image-dialog>img{background:#f5f5f2}
.language-switch{display:inline-flex;align-items:center;gap:3px;white-space:nowrap}
.language-switch button{background:transparent;border:0;color:#747d83;padding:9px 7px;font-size:11px;line-height:1.5;cursor:pointer}
.language-switch button[aria-pressed="true"]{color:#25292c;border-bottom:1px solid #25292c}
.language-switch button:hover{color:#25292c}








@media(max-width:1050px){.nav-end{gap:15px}.micrograph-open{min-height:480px}}
@media(max-width:760px){.micrograph-open{min-height:0;aspect-ratio:1.02}.language-switch button{padding:8px}}
@media(max-width:480px){.language-switch button{font-size:11px}}
/* Product catalogue: original brochure content and specifications. */
.catalog-summary{display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding:19px 0;color:var(--muted);font-size:11px;line-height:1.7}.catalog-summary>span:first-child{color:var(--ink);font-weight:500}
.product-choices{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:35px}.product-choice{position:relative;padding:18px 15px;border:1px solid var(--line);background:transparent;text-align:left;display:flex;flex-direction:column;min-height:150px;gap:12px;transition:background .2s,border-color .2s}.product-choice:hover{background:#e8eae7}.product-choice[aria-pressed="true"]{border-color:#343d43;background:#343d43;color:#fff}.product-number{font-size:10px;opacity:.65}.choice-name{font-size:13px;line-height:1.6;font-weight:500;overflow-wrap:anywhere}.choice-models{font-size:10px;opacity:.65;margin-top:auto;padding-top:5px}
.product-detail{border-top:1px solid var(--line);padding-top:35px}.product-overview{display:grid;grid-template-columns:1.3fr 1fr;gap:65px;align-items:start}.product-overview h3{font-size:32px;line-height:1.35;letter-spacing:-.035em;font-weight:500;margin:15px 0}.product-overview>div>p{font-size:13px;line-height:1.9;color:var(--muted);margin:0;max-width:600px}.product-micrograph{margin:0}.sem-reference{width:100%;aspect-ratio:3/2;background:#e8e9e7;overflow:hidden}.sem-reference img{display:block;width:100%;height:100%;object-fit:contain}.product-micrograph figcaption{font-size:12px;color:var(--muted);line-height:1.7;margin-top:11px}
.product-facts{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:35px 0;margin-top:20px;border-bottom:1px solid var(--line)}.product-facts h4,.spec-heading h4{font-size:14px;font-weight:500;margin:0 0 17px;letter-spacing:.02em}.product-facts ul{margin:0;padding-left:16px;font-size:12px;line-height:1.9;color:#596269}.product-facts li{margin:8px 0;padding-left:4px}.product-facts li::marker{color:#9ca4aa}.spec-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding-top:31px}.spec-heading>span{font-size:10px;color:var(--muted)}.spec-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--line);overscroll-behavior-x:contain;scrollbar-color:#b0b6b9 #eaedeb}.spec-scroll table{width:100%;border-collapse:separate;border-spacing:0;font-size:11px;line-height:1.7;font-variant-numeric:tabular-nums}.spec-scroll th,.spec-scroll td{padding:13px 15px;border-right:1px solid #e2e5e4;border-bottom:1px solid #e2e5e4;text-align:center;vertical-align:middle}.spec-scroll thead th{background:#e6e9e7;font-weight:500;white-space:nowrap}.spec-scroll th:first-child{position:sticky;left:0;background:#edf0ed;z-index:1;min-width:185px;max-width:245px;white-space:normal;text-align:left;font-weight:400}.spec-scroll tbody tr:nth-child(even) td{background:#eff1ee}.spec-scroll tbody td{white-space:nowrap}.spec-scroll .spec-unit{color:#6c777e}.spec-scroll .spec-groups th{font-size:10px;background:#d9dedc;text-align:center}.spec-scroll tr:last-child>*{border-bottom:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.traits{gap:28px}.traits>span{max-width:175px;line-height:1.5}
@media(max-width:1050px){.product-choices{gap:8px}.product-choice{padding:14px 12px}.choice-name{font-size:12px}.product-overview{gap:35px}.product-facts{gap:35px}.product-overview h3{font-size:28px}}
@media(max-width:760px){.catalog-summary{font-size:10px;gap:12px}.catalog-summary>span:last-child{max-width:175px;text-align:right}.product-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.product-choice{min-height:120px;padding:15px}.product-choice:last-child{grid-column:1/-1;min-height:100px}.choice-name{font-size:13px}.product-overview{grid-template-columns:1fr;gap:28px}.product-overview h3{font-size:27px}.product-micrograph{max-width:460px;width:100%}.product-facts{grid-template-columns:1fr;gap:22px;margin-top:0;padding-block:25px}.product-facts li{font-size:12px}.spec-heading{display:block}.spec-heading>span{display:block;margin:-5px 0 13px;font-size:9px}.spec-scroll th:first-child{min-width:130px;max-width:155px}.spec-scroll td,.spec-scroll th{padding:11px 12px}.product-detail{padding-top:26px}.traits>span{max-width:112px}}

/* Text-free hero image and expanded artwork viewer. */
.micrograph-open{cursor:zoom-in}
.image-dialog{position:fixed;width:min(94vw,1100px);max-width:1100px;padding:0;border:0;overflow:hidden;background:var(--paper)}
.image-dialog>img{display:block;width:100%;height:auto;max-height:86dvh;object-fit:contain;background:var(--paper)}
.image-dialog>.close{position:absolute;top:12px;right:12px;z-index:1;float:none;border-radius:50%;background:#f5f5f2e8;box-shadow:0 0 0 1px #cbd0d388;width:36px;height:36px}

/* Keep long Russian labels within narrow layouts. */
@media(max-width:760px){.traits>span,.application-grid>div{min-width:0}.traits>span,.applications h2,.app-row h3{overflow-wrap:break-word;hyphens:auto}}

/* Company information and direct contact. */
.company-top{display:grid;grid-template-columns:1.05fr 1fr;gap:85px;align-items:end}.company-intro p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.company-intro .company-location{font-size:11px;color:var(--ink);margin-bottom:18px;letter-spacing:.04em}.company-services{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:62px}.company-services article{border-top:1px solid var(--line);padding-top:26px;display:flex;align-items:baseline;gap:22px}.company-index{font-size:10px;color:var(--silver);flex:none}.company h3{font-size:19px;font-weight:500;line-height:1.45;margin:0 0 14px}.company-services p,.company-sectors p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.company-sectors{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-top:62px;padding-top:32px;border-top:1px solid var(--line)}.company-sectors h3{font-size:15px;line-height:1.6;margin-bottom:12px}.company-services article>div,.company-sectors article{min-width:0}
.contact{padding-block:80px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:100px;align-items:center;border-top:1px solid var(--line)}.contact-copy{max-width:700px;min-width:0}.contact h2{font-size:clamp(32px,3.8vw,49px)}.contact-intro{font-size:14px;line-height:1.85;color:var(--muted);margin:24px 0 0;max-width:540px}.contact-details{display:grid;grid-template-columns:1.2fr 1fr;gap:35px;margin:38px 0 0}.contact-details dt{font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:12px}.contact-details dd{margin:0;font-size:15px;line-height:1.7;overflow-wrap:anywhere}.contact-details dd a{border-bottom:1px solid #a4abad;padding-bottom:3px}.contact-details dd a:hover{color:var(--muted)}.contact-qr{width:236px;max-width:100%;margin:0;text-align:center}.contact-qr>a{display:block;position:relative;aspect-ratio:542/540;overflow:hidden;background:#fff}.contact-qr img{position:absolute;left:calc(-100% * 10 / 542);top:calc(-100% * 10 / 540);width:calc(100% * 562 / 542);height:auto;max-width:none;margin:0}.contact-qr figcaption{font-size:11px;line-height:1.8;color:var(--muted);margin-top:16px}
@media(max-width:1050px){.site-header{gap:18px}.company-top{gap:45px}.company-services{gap:35px}.company-sectors{gap:24px;grid-template-columns:repeat(2,minmax(0,1fr))}.contact{gap:45px}.contact-details{grid-template-columns:1fr;gap:23px}}
@media(max-width:900px){.site-header nav{display:none}}
@media(max-width:760px){.company-top{grid-template-columns:1fr;gap:26px}.company-intro p{font-size:13px}.company-services{grid-template-columns:1fr;gap:27px;margin-top:35px}.company-services article{padding-top:22px}.company h3{font-size:18px}.company-sectors{margin-top:36px;gap:28px 20px}.company-sectors h3{font-size:14px}.contact{grid-template-columns:1fr;gap:40px;padding-block:55px}.contact h2{font-size:37px}.contact-intro{font-size:13px}.contact-details{grid-template-columns:1fr 1fr;gap:26px;margin-top:30px}.contact-qr{width:220px}.brand-name{font-size:28px}.brand-descriptor{font-size:9px}.site-header{gap:16px}.nav-end{gap:12px}}
@media(max-width:480px){.company-sectors{grid-template-columns:1fr}.contact-details{grid-template-columns:1fr;gap:24px}.contact h2{font-size:33px}.site-header .logo{gap:9px}.brand-descriptor{letter-spacing:.35px}.site-header .nav-end{margin-left:auto}.language-switch button{padding:8px 6px}.site-header{gap:10px}.company h3,.company-intro p,.company-services p,.company-sectors p{overflow-wrap:anywhere}}

/* Typical application examples. */
.site-header nav{gap:clamp(14px,2vw,28px);white-space:nowrap}.site-header .nav-end{flex-shrink:0}
.cases{border-bottom:1px solid var(--line)}.cases .section-head>p{max-width:400px;margin-right:0}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.case-card{display:flex;flex-direction:column;min-width:0;border-top:1px solid var(--line);padding-top:24px}.case-index{font-size:10px;color:var(--silver)}.case-card h3{font-size:21px;font-weight:500;line-height:1.45;margin:20px 0 26px;min-height:61px}.case-card h4{font-size:10px;font-weight:500;line-height:1.6;color:var(--ink);margin:0 0 10px}.case-card p{font-size:12px;line-height:1.9;color:var(--muted);margin:0;overflow-wrap:break-word;hyphens:auto}.case-direction{flex:1}.case-materials{border-top:1px solid var(--line);padding-top:20px;margin-top:26px}.case-materials p{font-size:11px}.case-card>a{align-self:flex-start;font-size:11px;line-height:1.7;border-bottom:1px solid #a4abad;margin-top:25px;padding-bottom:6px}.case-card>a>span[aria-hidden]{margin-left:14px}.case-card>a:hover{color:var(--muted)}
@media(max-width:1050px){.case-grid{gap:22px}.case-card h3{font-size:18px}.site-header nav{gap:16px;font-size:11px}}
@media(max-width:760px){.case-grid{grid-template-columns:1fr;gap:32px}.case-card h3{font-size:22px;min-height:0;margin:15px 0 22px}.cases .section-head>p{max-width:none}.case-materials{margin-top:22px}.case-card>a{margin-top:21px}}