/* ===== Base: font, colours, elements, shared utilities ===== */
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url("assets/fonts/InterVariable.woff2") format("woff2")}
:root{--red:#d24a43;--action:#bd423c;--ink:#151515;--paper:#f1f1f1;--muted:#626262;--line:#cdcdcd;--pad:clamp(22px,4.4vw,80px);font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;font-optical-sizing:none;--ease:cubic-bezier(.22,1,.36,1);--ease-io:cubic-bezier(.65,0,.35,1);--ink-2:#1d1d1d}
/* Colour palette: every colour of the stylesheets is a variable here (rule 9 of «Правила единого дизайна»). */
:root{--ac-intermediate:#7d8590;--ac-primer:#8c7a6b;--black-a08:rgba(0,0,0,.08);--black-a10:#0000001a;--black-a12:rgba(0,0,0,.12);--black-a13:#0002;--black-a18:rgba(0,0,0,.18);--black-a25:rgba(0,0,0,.25);--black-a33:#0005;--black-a35:rgba(0,0,0,.35);--black-a45:rgba(0,0,0,.45);--black-a50:rgba(0,0,0,.5);--black-a53:#0008;--black-a60:rgba(0,0,0,.6);--black-a72:rgba(0,0,0,.72);--black-a80:rgba(0,0,0,.8);--grey-0f-a28:rgba(15,15,15,.28);--grey-0f-a35:rgba(15,15,15,.35);--grey-0f-a82:rgba(15,15,15,.82);--grey-11:#111;--grey-11-a50:rgba(17,17,17,.5);--grey-11-a65:rgba(17,17,17,.65);--grey-11-a70:rgba(17,17,17,.7);--grey-11-a82:rgba(17,17,17,.82);--grey-1a:#1a1a1a;--grey-1f:#1f1f1f;--grey-22:#222;--grey-23:#232323;--grey-26:#262626;--grey-2a:#2a2a2a;--grey-2b:#2b2b2b;--grey-2c:#2c2c2c;--grey-2f:#2f2f2f;--grey-33:#333;--grey-39:#393939;--grey-3a:#3a3a3a;--grey-3b:#3b3b3b;--grey-47:#474747;--grey-49:#494949;--grey-4a:#4a4a4a;--grey-4b:#4b4b4b;--grey-55:#555;--grey-66:#666;--grey-6b:#6b6b6b;--grey-6d:#6d6d6d;--grey-73:#737373;--grey-77:#777;--grey-7a:#7a7a7a;--grey-7d:#7d7d7d;--grey-8a:#8a8a8a;--grey-8c:#8c8c8c;--grey-8d:#8d8d8d;--grey-8f:#8f8f8f;--grey-99:#999;--grey-9a:#9a9a9a;--grey-9d:#9d9d9d;--grey-a3:#a3a3a3;--grey-a5:#a5a5a5;--grey-a9:#a9a9a9;--grey-aa:#aaa;--grey-b2:#b2b2b2;--grey-b5:#b5b5b5;--grey-b9:#b9b9b9;--grey-bb:#bbb;--grey-bc:#bcbcbc;--grey-bd:#bdbdbd;--grey-c4:#c4c4c4;--grey-c4c4c1:#c4c4c1;--grey-c8:#c8c8c8;--grey-c9:#c9c9c9;--grey-c9c9c6:#c9c9c6;--grey-cc:#ccc;--grey-cf:#cfcfcf;--grey-cfcfcc:#cfcfcc;--grey-d0:#d0d0d0;--grey-d4:#d4d4d4;--grey-d5:#d5d5d5;--grey-d6:#d6d6d6;--grey-d8:#d8d8d8;--grey-d8d8d6:#d8d8d6;--grey-d9:#d9d9d9;--grey-d9d9d6:#d9d9d6;--grey-da:#dadada;--grey-dc:#dcdcdc;--grey-dd:#ddd;--grey-de:#dedede;--grey-deded9:#deded9;--grey-e1:#e1e1e1;--grey-e2:#e2e2e2;--grey-e3:#e3e3e3;--grey-e3e3e0:#e3e3e0;--grey-e3e3e1:#e3e3e1;--grey-e3e3e1-a00:rgba(227,227,225,0);--grey-e3e3e1-a35:rgba(227,227,225,.35);--grey-e3e3e1-a94:rgba(227,227,225,.94);--grey-e4:#e4e4e4;--grey-e4e4e2:#e4e4e2;--grey-e5:#e5e5e5;--grey-e6:#e6e6e6;--grey-e8:#e8e8e8;--grey-e8e8e6:#e8e8e6;--grey-e8e8e6-a90:rgba(232,232,230,.9);--grey-e9:#e9e9e9;--grey-ec:#ececec;--grey-ecebe8:#ecebe8;--grey-ececea:#ececea;--grey-ee:#eee;--grey-ef:#efefef;--grey-efeeeb:#efeeeb;--grey-f0:#f0f0f0;--grey-f0efed:#f0efed;--grey-f2f1ef:#f2f1ef;--grey-f4f3f1:#f4f3f1;--grey-f4f4f3:#f4f4f3;--grey-f6f5f3:#f6f5f3;--grey-f6f6f5:#f6f6f5;--grey-f7f6f4:#f7f6f4;--grey-fa:#fafafa;--grey-faf9f7:#faf9f7;--ink-a05:rgba(21,21,21,.05);--ink-a35:rgba(21,21,21,.35);--ink-a40:rgba(21,21,21,.4);--ink-a50:rgba(21,21,21,.5);--ink-a78:rgba(21,21,21,.78);--ink-a84:rgba(21,21,21,.84);--ink-a88:rgba(21,21,21,.88);--red-a10:rgba(210,74,67,.10);--red-a18:rgba(210,74,67,.18);--red-a30:rgba(210,74,67,.3);--red-a85:rgba(210,74,67,.85);--red-dark:#a53732;--red-light:#ffbbb6;--red-tint:#f4dedc;--red-tint-strong:#eccbc8;--scale-paint:#b89a5a;--scale-polyurethane:#5f7380;--scale-sports:#6b8e5a;--stripe-adhesive:#c9a35a;--stripe-asphalt:#3b3b3b;--stripe-asphalt-2:#6d6d6d;--stripe-base:#a3a7a8;--stripe-binder:#5e5040;--stripe-concrete:#a9a7a2;--stripe-concrete-2:#8b8984;--stripe-conductive:#3d3d3d;--stripe-conductive-2:#c27c45;--stripe-epdm:#a8433e;--stripe-epdm-2:#d77068;--stripe-flakes:#8e979d;--stripe-flakes-2:#f2f2f2;--stripe-impregnation:#c7c5bf;--stripe-none:#e4e4e2;--stripe-paint:#94abb3;--stripe-paint-2:#6f8790;--stripe-primer:#d7b46a;--stripe-pu-cement:#c9b79c;--stripe-pu-cement-2:#a9967a;--stripe-putty:#b8b8b4;--stripe-quartz:#d9c9a3;--stripe-quartz-2:#bba979;--stripe-quartz-colour:#8d8f96;--stripe-quartz-colour-2:#c9533f;--stripe-rubber:#262626;--stripe-rubber-2:#4a4a4a;--stripe-topcoat:#b6bfc5;--stripe-topcoat-2:#8e979d;--stripe-varnish:#f4f8fa;--stripe-varnish-2:#cfd6db;--swatch-2271b3:#2271b3;--swatch-3c3c3c:#3c3c3c;--swatch-45494e:#45494e;--swatch-4e5452:#4e5452;--swatch-8a9597:#8a9597;--swatch-8f9695:#8f9695;--swatch-969992:#969992;--swatch-9aa1a8:#9aa1a8;--swatch-cbd0cc:#cbd0cc;--swatch-cc0605:#cc0605;--swatch-d0d0d0:#d0d0d0;--swatch-dcd2c1:#dcd2c1;--swatch-f4f4f4:#f4f4f4;--swatch-f5f5dc:#f5f5dc;--swatch-f7b500:#f7b500;--tone-9aa1a8:#9aa1a8;--white-a06:rgba(255,255,255,.06);--white-a08:rgba(255,255,255,.08);--white-a22:rgba(255,255,255,.22);--white-a35:rgba(255,255,255,.35);--white-a40:rgba(255,255,255,.4);--white-a55:rgba(255,255,255,.55)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:98px}
body{margin:0}
button,a,summary{-webkit-tap-highlight-color:transparent}
button,summary{cursor:pointer}
a{color:inherit;text-decoration:none}
button{color:inherit;border:0}
img{display:block;max-width:100%}
p{font-size:1rem;line-height:1.65;margin:0;text-wrap:pretty}
h1,h2,h3,h4{font-weight:500;margin:0;letter-spacing:-.045em}
h2{font-size:clamp(2rem,3.4vw,3.8rem);line-height:1.1}
::selection{background:var(--red);color:white}
.skip{position:fixed;z-index:100;top:10px;left:20px;transform:translateY(-150%);padding:16px;background:white}
.skip:focus{transform:none}
.section{padding:85px var(--pad)}
.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:38px}
.section-heading>.eyebrow{grid-column:1/-1;color:var(--muted)}
.section-heading>p:last-child{max-width:390px;align-self:end;justify-self:end;color:var(--muted)}
body:has(dialog[open]){overflow:hidden}
[hidden]{display:none!important}
@media(max-width:760px){
html{scroll-padding-top:82px}
.section-heading{display:block;margin-bottom:28px}
.section-heading>.eyebrow{margin-bottom:22px}
.section-heading>p:last-child{margin-top:19px;max-width:none;font-size:.94rem}
.section-heading>p:last-child br{display:none}
h2{font-size:2.1rem}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*{transition:none!important}
}
.no-script{padding:16px var(--pad);background:white}
.no-script a{text-decoration:underline}
/* Reflow for text enlargement without reducing the requested font size. */
html{scroll-padding-top:var(--header-offset,98px)}
button:disabled{cursor:default;opacity:.6}
html:not([lang=en]) h2{hyphens:auto}
.section--band{background:var(--grey-e8e8e6)}
/* Text for screen readers only. */
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== Buttons, links, chips and labels ===== */
/* Buttons. */
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border-radius:100px;font-size:.91rem;font-weight:500;line-height:1.3;text-align:center;position:relative;overflow:hidden;isolation:isolate;transition:background-color .3s,color .3s,border-color .3s,box-shadow .4s var(--ease),transform .2s var(--ease)}
.primary{background:var(--action);color:white;gap:10px}
.primary:hover{background:var(--red-dark);box-shadow:0 14px 34px -14px var(--red-a85)}
.outline{border:1px solid var(--grey-9a);background:linear-gradient(var(--ink),var(--ink)) no-repeat 50% 100%/100% 0%;transition:background-size .45s var(--ease),color .3s,border-color .3s,transform .2s var(--ease)}
.outline:hover{background:linear-gradient(var(--ink),var(--ink)) no-repeat 50% 100%/100% 100%;color:white;border-color:var(--ink)}
.chevron{font-size:1.1rem;margin-left:2px;display:inline-block;transition:transform .35s var(--ease)}
.current span{font-size:.75rem;color:var(--muted);font-weight:400}
/* One design across the portal — shared eyebrows, closing blocks, section rhythm. */
.eyebrow{font-size:.75rem;letter-spacing:.105em;line-height:1.5;font-weight:500;text-transform:uppercase}
.text-button{padding:10px 0;background:none;border-bottom:1px solid var(--grey-73);font-size:.875rem}
.text-button:hover{border-color:white}
.image-stamp{position:absolute;left:25px;bottom:75px;font-size:clamp(2.5rem,5vw,5rem);font-weight:600;letter-spacing:-.06em;color:white;line-height:1;text-shadow:0 2px 20px var(--black-a33);z-index:1}
.image-stamp span{font-size:.8rem;vertical-align:top;letter-spacing:0;margin-left:3px}
.text-link{display:inline-flex;gap:18px;padding:9px 0;border-bottom:1px solid var(--grey-aa);font-size:.86rem}
.text-link span{color:var(--muted);font-size:.75rem}
dialog .eyebrow{color:var(--muted);margin-bottom:20px}
@media(max-width:760px){
.image-stamp{font-size:3.4rem;bottom:65px;left:20px}
}
.button:active{transform:scale(.97)}
.primary::after{content:"";flex:0 0 14px;height:14px;background:currentColor;-webkit-mask:url("assets/icons/arrow.svg") center/contain no-repeat;mask:url("assets/icons/arrow.svg") center/contain no-repeat;transition:transform .45s var(--ease)}
.primary:hover::after{transform:translateX(4px)}
.primary::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,transparent 30%,var(--white-a22) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s var(--ease)}
.primary:hover::before{transform:translateX(120%)}
.text-button,.text-link{background:linear-gradient(currentColor,currentColor) no-repeat 0 100%/0 1px;transition:background-size .5s var(--ease),border-color .3s,color .3s}
.text-button:hover,.text-link:hover{background-size:100% 1px}
@media(prefers-reduced-motion:no-preference){
.image-stamp{animation:fade-right 1.1s var(--ease) .8s both}
}
/* Teping® logo. The official vector logo (Konstantin, 2026-10-11) replaces the typed
   ErikaC/Verdana stand-in: red on photos and plates, a hairline outline in the contact section.
   Sizes stay in em, so the old font-size rules still set the scale. */
.image-stamp{line-height:0;filter:drop-shadow(0 1px 0 var(--black-a25)) drop-shadow(0 6px 28px var(--black-a45));transition:opacity .45s var(--ease),transform .7s var(--ease)}
.image-stamp img{height:.95em;width:auto}
.use-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.use-list li{display:grid;grid-template-columns:64px 1fr;align-items:baseline;gap:16px;padding:24px 0;border-bottom:1px solid var(--line);font-size:clamp(1.15rem,1.8vw,1.6rem);letter-spacing:-.03em;transition:padding .5s var(--ease),color .3s}
.use-num{font-size:.8rem;color:var(--red);letter-spacing:.04em}
.use-list li:hover{padding-left:12px}
@media(max-width:600px){
.use-list li{grid-template-columns:44px 1fr}
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 14px;border:1px solid var(--grey-cf);border-radius:100px;background:transparent;font-size:.84rem;line-height:1.2;transition:background .25s,color .25s,border-color .25s,opacity .25s}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:white}
.chip:disabled:hover{border-color:var(--grey-cf)}
.chip-count{font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"] .chip-count{color:var(--grey-bd)}
.pill-list li{padding:7px 13px;border:1px solid var(--grey-d5);border-radius:100px;font-size:.86rem}
.pill-list--quiet li{background:var(--grey-f2f1ef);border-color:transparent}
.check-list li{position:relative;padding-left:26px;font-size:.94rem;line-height:1.5}
.check-list li::before{content:"";position:absolute;left:2px;top:.45em;width:12px;height:7px;border-left:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(-45deg)}
.check-list--plain li::before{width:6px;height:6px;border:0;border-radius:50%;background:var(--ink);transform:none;top:.6em;left:4px}
.level{display:flex;gap:4px}
.level span{width:26px;height:6px;border-radius:3px;background:var(--grey-e2)}
.level span.on{background:var(--red)}
.level-text{font-size:.9rem;line-height:1.45}
.used-in{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 18px;font-size:.78rem;color:var(--muted)}
.used-in span{margin-right:4px}
.used-in a{padding:3px 9px;border-radius:100px;background:var(--grey-f0efed);color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums;transition:background .25s,color .25s}
.used-in a:hover{background:var(--ink);color:white}
@media(max-width:600px){
.chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px;padding:2px 18px 6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto}
}

/* ===== Header, catalogue menu, language and mobile menu ===== */
/* Header: translucent after scroll, hides while reading downwards. */
.header{height:86px;position:sticky;top:0;z-index:20;background:var(--ink);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);border-bottom:1px solid var(--grey-39);gap:26px;transition:transform .5s var(--ease),background-color .35s,border-color .35s}
/* Original TNP GROUP wordmark and company figures from tnpgroup.ru. */
.brand{display:flex;flex-shrink:0;flex-direction:column;align-items:flex-start;gap:5px}
.brand>span{font-size:1.18rem;font-weight:600;letter-spacing:.055em}
.brand-caption{display:block;font-weight:400;margin-top:0;font-size:.62rem;letter-spacing:.04em;color:var(--grey-bd);line-height:1.2}
.desktop-nav{display:flex;gap:30px;margin-left:auto}
.desktop-nav a{font-size:.875rem;color:var(--grey-d6);position:relative;padding:8px 0;transition:color .25s}
.desktop-nav a:hover{color:white}
.header-actions{display:flex;align-items:center;gap:22px}
.header-cta{min-height:42px;padding:0 20px;font-size:.84rem}
.button{padding-top:12px;padding-bottom:12px;max-width:100%}
.language{position:relative;font-size:.85rem}
.language summary{list-style:none;display:flex;align-items:center;gap:8px;min-height:44px;transition:color .2s}
.language summary::-webkit-details-marker{display:none}
.language-panel{position:absolute;right:0;top:52px;width:255px;background:white;color:var(--ink);padding:22px;border:1px solid var(--line);box-shadow:0 12px 24px var(--black-a13);transform-origin:top right}
.language-panel>span{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--grey-dd)}
.language-panel>strong{font-size:.85rem;font-weight:500}
.language-panel .current{font-weight:600;gap:12px;align-items:center}
.language-panel [aria-disabled]{color:var(--grey-77)}
.language-panel p{font-size:.75rem;line-height:1.5;margin-top:15px;color:var(--muted)}
.mobile-menu{display:none}
footer .brand{color:white}
footer .brand>span{font-size:.95rem}
footer .brand img{width:40px;height:22px}
@media(max-width:1150px){
.desktop-nav{gap:18px}
.header-actions{gap:15px}
.header-cta{display:none}
}
@media(max-width:760px){
.header{height:72px;gap:14px}
.desktop-nav{display:none}
.header-actions{gap:20px;margin-left:auto}
.mobile-menu{display:block}
.mobile-menu>summary{list-style:none;font-size:.82rem;padding:12px 0}
.mobile-menu>summary::-webkit-details-marker{display:none}
.mobile-menu nav{position:absolute;left:0;right:0;background:var(--ink);padding:22px var(--pad) 30px;display:flex;flex-direction:column;gap:6px;border-bottom:1px solid var(--grey-55);top:100%}
.mobile-menu nav a{padding:13px 0}
.mobile-menu nav .button{margin-top:10px;align-self:start}
.language-panel{right:-65px;top:46px;max-width:calc(100vw - 44px)}
}
/* Full language versions: allow translated labels and headings to reflow. */
.language-panel>a{display:flex;padding:11px 0;border-bottom:1px solid var(--grey-dd);transition:color .2s,padding .3s var(--ease)}
.language-panel>a:hover{color:var(--action);padding-left:6px}
.language-panel .current span{text-align:right}
@media(min-width:761px){
html:not([lang=en]) .header{gap:18px}
html:not([lang=en]) .desktop-nav{gap:18px}
}
.header.is-scrolled{background:var(--ink-a84);-webkit-backdrop-filter:saturate(1.6) blur(16px);backdrop-filter:saturate(1.6) blur(16px);border-bottom-color:var(--white-a08)}
.header.is-hidden{transform:translateY(-101%)}
.scroll-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--red);transform:scaleX(var(--progress,0));transform-origin:left;pointer-events:none}
.desktop-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.desktop-nav a:hover::after,.desktop-nav a.is-active::after{transform:scaleX(1);transform-origin:left}
.desktop-nav a.is-active{color:white}
.language summary:hover{color:var(--red-light)}
.language[open] .chevron{transform:rotate(180deg)}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--grey-c9);transition:color .25s}
.to-top svg{transition:transform .45s var(--ease)}
.to-top:hover{color:white}
.to-top:hover svg{transform:translateY(-4px)}
/* Back-to-top for long pages on phones/tablets. */
.fab-top{position:fixed;right:18px;bottom:18px;z-index:15;width:48px;height:48px;border-radius:50%;background:var(--ink);color:white;display:grid;place-items:center;box-shadow:0 10px 30px -10px var(--black-a50);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .35s,transform .45s var(--ease),background-color .25s}
.fab-top:hover{background:var(--action)}
body:has(dialog[open]) .fab-top{opacity:0;pointer-events:none}
.brand-mark{display:flex;align-items:center;gap:9px}
.brand-mark img{height:26px;width:auto}
footer .brand-mark img{height:22px;width:auto}
@media(max-width:760px){
.brand-mark img{height:22px}
}
.brand>.brand-caption{font-size:.64rem;font-weight:400;letter-spacing:.03em}
.mobile-menu:not([open]) nav,.language:not([open]) .language-panel{display:none}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:.78rem;color:var(--grey-9a);margin-bottom:44px}
.breadcrumbs a{transition:color .2s}
.breadcrumbs a:hover{color:white}
.breadcrumbs [aria-current]{color:var(--grey-d6)}
@media(max-width:600px){
.breadcrumbs{margin-bottom:28px}
}
.catalogue-card{scroll-margin-top:110px}
.catalogue-card .product-media{height:210px}
.catalogue-card .product-description{margin-bottom:16px;margin-top:12px}
.catalogue-card:target{outline:2px solid var(--red);outline-offset:4px}
@media(max-width:600px){
.catalogue-card .product-media{height:200px}
}
html:has(.header.is-hidden) .line-nav{top:0}
@media(prefers-reduced-motion:no-preference){
.header{view-transition-name:site-header}
}
/* Header catalogue: mega panel on wide screens. Native <details>, so it
   opens by click or keyboard without JS; motion.js adds hover and closing. */
.mega>summary{list-style:none;display:flex;align-items:center;gap:6px;padding:8px 0;font-size:.875rem;color:var(--grey-d6);transition:color .25s}
.mega>summary::-webkit-details-marker{display:none}
.mega>summary:hover,.mega[open]>summary{color:white}
.mega>summary .chevron{font-size:.8rem;transition:transform .35s var(--ease)}
.mega[open]>summary .chevron{transform:rotate(180deg)}
.mega-panel{position:absolute;left:0;right:0;top:100%;background:var(--ink);color:white;border-top:1px solid var(--grey-2c);border-bottom:1px solid var(--grey-2c);padding:30px var(--pad) 22px;box-shadow:0 40px 80px -30px var(--black-a60);max-height:calc(100vh - 86px);overflow-y:auto}
@media(min-width:1600px){
.mega-panel{padding-left:max(var(--pad),calc((100vw - 1500px)/2));padding-right:max(var(--pad),calc((100vw - 1500px)/2))}
}
.mega-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:26px}
.mega-head{display:flex;flex-direction:column;gap:4px;color:white}
.mega-media{display:block;height:118px;margin-bottom:12px;overflow:hidden;background:var(--grey-22);border-radius:2px}
.mega-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.8);transition:transform 1s var(--ease),filter .6s var(--ease)}
.mega-head:hover .mega-media img,.mega-head:focus-visible .mega-media img{transform:scale(1.06);filter:saturate(1)}
.mega-num{font-size:.7rem;letter-spacing:.08em;color:var(--red);font-weight:500}
.mega-name{font-size:1.02rem;font-weight:500;letter-spacing:-.025em;line-height:1.25;transition:color .25s}
.mega-head:hover .mega-name{color:var(--red-light)}
.mega-head[aria-current] .mega-name{text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:5px}
.mega-total{font-size:.72rem;color:var(--grey-8d)}
.mega-family ul{list-style:none;margin:14px 0 0;padding:12px 0 0;border-top:1px solid var(--grey-2f);display:grid;gap:1px}
.mega-family li a{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:6px 0;font-size:.82rem;line-height:1.35;color:var(--grey-c8);transition:color .2s,padding .3s var(--ease)}
.mega-family li a:hover{color:white;padding-left:6px}
.mega-count{font-size:.7rem;color:var(--grey-7d);font-variant-numeric:tabular-nums}
/* The corrosion protection section: the eighth column of «Каталог» and a row under the families on phones */
.mega-foot{display:flex;justify-content:flex-end;margin-top:20px;padding-top:16px;border-top:1px solid var(--grey-2f);align-items:center;gap:24px}
.mega-foot a{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:var(--grey-d6);transition:color .25s}
.mega-foot a:hover{color:white}
.mega-foot a:hover .arrow{transform:translateX(4px)}
.mega-foot .mega-all{margin-left:auto;flex-shrink:0}
.mobile-families a.mobile-ac[aria-current] span:nth-child(2){color:var(--red-light)}
.header:has(.mega[open]){background:var(--ink);-webkit-backdrop-filter:none;backdrop-filter:none}
@media(max-width:1150px){
.mega-grid{gap:18px}
.mega-media{height:92px}
.mega-name{font-size:.92rem}
}
@media(prefers-reduced-motion:no-preference){
.mega[open] .mega-panel{animation:mega-in .45s var(--ease) both}
.mega[open] .mega-family{animation:fade-up .6s var(--ease) both}
.mega[open] .mega-family:nth-child(2){animation-delay:.04s}
.mega[open] .mega-family:nth-child(3){animation-delay:.08s}
.mega[open] .mega-family:nth-child(4){animation-delay:.12s}
.mega[open] .mega-family:nth-child(5){animation-delay:.16s}
}
@keyframes mega-in{from{opacity:0;transform:translateY(-8px)}}
/* Mobile menu: the five categories first. */
.mobile-families{display:grid;margin-bottom:10px;border-bottom:1px solid var(--grey-3a);padding-bottom:10px}
.mobile-families-title{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey-8d);margin:0 0 4px}
.mobile-menu nav .mobile-families a{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:baseline;gap:8px;padding:11px 0;font-size:1rem}
.mobile-families a[aria-current] span:nth-child(2){color:var(--red-light)}
.mobile-menu nav{max-height:calc(100vh - 72px);overflow-y:auto}
.desktop-nav .mega-panel a{font-size:inherit;overflow-wrap:break-word;hyphens:auto}
.desktop-nav .mega-panel a::after{display:none}
.desktop-nav .mega-head{padding:0;color:white}
@media(max-width:1100px){
.mega-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:30px}
.mega-media{height:100px}
}
/* Coating systems — overview, selection, layer build-ups. */
.desktop-nav a[aria-current="page"]{color:white}
.desktop-nav a[aria-current="page"]::after{transform:scaleX(1)}
.mobile-menu nav a.mobile-systems{font-weight:500}
@media(min-width:761px) and (max-width:1000px){
/* With «Сферы» the header nav has six items; on 761–1000 px it keeps every label on one line. */
html[lang] .header{gap:16px}
html[lang] .desktop-nav{gap:16px}
.header-actions{gap:12px}
}
@media(min-width:1151px) and (max-width:1280px){
html[lang] .header{gap:14px}
html[lang] .desktop-nav{gap:14px}
.header-actions{gap:14px}
}
@media(min-width:761px) and (max-width:860px){
/* Seven header items. On small tablets they sit closer instead of pushing the page sideways. */
html[lang] .header{gap:12px}
html[lang] .desktop-nav{gap:9px}
html[lang] .desktop-nav a,html[lang] .desktop-nav summary{font-size:.75rem}
}
.catalogue-card h4 a{transition:color .25s}
.catalogue-card h4 a:hover{color:var(--red)}
@supports (grid-template-rows:subgrid){
.mega-family{display:grid;grid-row:span 5;grid-template-rows:subgrid;row-gap:0;align-content:start}
.mega-head>*{align-self:start}
.mega-head>:is(.mega-num,.mega-name,.mega-total){margin-top:4px}
.mega-family>ul{grid-row:5;align-self:start}
}
@media(max-width:760px){
/* Narrow header and the mobile menu.
   On 320 px the Uzbek and Tajik brand captions are wider than the logo and pushed the menu to a
   second row (122 px header). The brand now takes the free width and its caption wraps under the
   logo instead. The menu fits the screen below the header's real height (--header-h, set by
   motion.js) and scrolls inside, so the last button stays reachable on 320×568. */
.header>.brand{flex:1 1 0;min-width:min-content}
.header>.brand>.brand-caption{overflow-wrap:normal}
.mobile-menu nav{max-height:calc(100vh - var(--header-h,72px));max-height:calc(100dvh - var(--header-h,72px));overscroll-behavior:contain}
}
.mega-grid{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:30px}
@media(max-width:1100px){
.mega-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(prefers-reduced-motion:no-preference){
.mega[open] .mega-family:nth-child(6){animation-delay:.2s}
.mega[open] .mega-family:nth-child(7){animation-delay:.24s}
.mega[open] .mega-family:nth-child(8){animation-delay:.28s}
}
@media(min-width:761px) and (max-width:1000px){
/* At 761–1000 px the header links keep to one line; the line names inside the «Каталог» panel wrap instead of pushing their counts into the next column. */
.desktop-nav .mega-family a{white-space:normal}
}
@media(min-width:761px) and (max-width:900px){
.header-actions{gap:8px}
}
.mobile-menu nav a.mobile-viz{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;margin:0 0 12px;border:1px solid var(--grey-4a);border-radius:4px;background:var(--ink-2)}
.mobile-viz .viz-cube{width:26px;height:26px}
.mobile-viz strong{display:block;font-weight:500;font-size:1rem}
.mobile-viz>span>span{display:block;font-size:.8rem;color:var(--grey-a5);margin-top:2px}
.mobile-viz[aria-current]{border-color:white}

/* ===== Reveals and page transitions ===== */
@media(prefers-reduced-motion:no-preference){
::view-transition-group(root){animation-duration:.55s;animation-timing-function:cubic-bezier(.22,1,.36,1)}
::view-transition-old(root){animation:vt-out .3s cubic-bezier(.65,0,.35,1) both}
::view-transition-new(root){animation:vt-in .55s cubic-bezier(.22,1,.36,1) .05s both}
::view-transition-group(family-photo){animation-duration:.7s;animation-timing-function:cubic-bezier(.22,1,.36,1)}
::view-transition-old(family-photo),::view-transition-new(family-photo){height:100%;object-fit:cover;animation-duration:.7s}
}
@keyframes vt-out{to{opacity:0;transform:translateY(-10px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(18px)}}

/* ===== Home page ===== */
/* Hero entrance. */
.hero{color:white;display:grid;grid-template-columns:1.08fr 1fr;padding:40px var(--pad) 0;gap:26px;position:relative;background:radial-gradient(70% 90% at 0% 0%,var(--red-a10),transparent 60%),var(--ink);isolation:isolate}
.hero-copy{padding:0 0 18px;min-width:0}
.hero-copy .eyebrow{color:var(--grey-c9);margin-bottom:26px}
.hero h1{font-size:clamp(3.5rem,6vw,6.8rem);line-height:.98;letter-spacing:-.067em}
.hero h1 span{color:var(--grey-a9)}
.hero-description{margin-top:22px;color:var(--grey-c9);max-width:480px;font-size:1.025rem;line-height:1.6}
.hero-actions{display:flex;align-items:center;gap:26px;margin:24px 0 18px}
.hero-footnote{color:var(--grey-a5);font-size:.8rem}
.hero-image{margin:0;position:relative;align-self:stretch;min-height:440px;padding-bottom:46px;overflow:hidden}
.hero-image>img{height:100%;width:100%;object-fit:cover;object-position:42% center;filter:saturate(.6)}
.hero-image figcaption{position:absolute;bottom:0;width:100%;display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:.67rem;letter-spacing:.07em;color:var(--grey-bc);min-height:46px;height:auto;padding:8px 0;flex-wrap:wrap;z-index:1;transition:opacity .45s var(--ease)}
.hero-image figcaption span+span{letter-spacing:0;font-size:.78rem}
/* Product previews. */
.featured{border-left:1px solid var(--line);padding:6px 0 0 28px}
.featured .eyebrow{color:var(--muted)}
.featured h4{font-size:1.5rem;margin:20px 0 10px}
.featured p{font-size:.94rem}
.company{background:var(--grey-e5)}
.company-top{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.company-top>.eyebrow{grid-column:1/-1;color:var(--muted)}
.company-top>p:last-child{max-width:455px;justify-self:end;align-self:end;color:var(--muted)}
.company-grid{display:grid;grid-template-columns:1.05fr 1fr 1fr 1.2fr;gap:35px;align-items:end;margin:50px 0 35px}
/* Company. */
.company-fact{align-self:stretch;border-top:1px solid var(--grey-b2);padding-top:19px;position:relative}
.company-fact>strong{font-size:3.5rem;letter-spacing:-.05em;font-weight:400;line-height:1.1}
.company-fact:not(:first-child)>strong{color:var(--grey-77);font-size:1rem;display:block;height:62px;padding-top:12px}
.company-fact h3{font-size:1.2rem;letter-spacing:-.03em;margin-top:20px}
.company-fact p{margin-top:12px;color:var(--muted);font-size:.86rem}
.project-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:70px}
.project figure{margin:0}
.project figure img{width:100%;height:410px;object-fit:cover}
.project figcaption{font-size:.68rem;letter-spacing:.07em;margin-top:13px;color:var(--muted)}
.project-copy{padding:10px 0}
.project-copy>.eyebrow{color:var(--muted)}
.project h3{font-size:clamp(2rem,3.2vw,3.3rem);line-height:1.1;margin:20px 0}
.project-copy>p{max-width:420px;color:var(--muted)}
.project dl{margin:22px 0 26px}
.project dl>div{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:11px 0;gap:20px;font-size:.85rem;transition:padding .35s var(--ease),background-color .3s}
.project dt{color:var(--muted)}
.project dd{margin:0;text-align:right}
/* Contact. */
.contact{background:var(--ink);color:white;position:relative;overflow:hidden;isolation:isolate}
.contact>.eyebrow{color:var(--grey-aa);margin-bottom:32px}
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:70px}
.contact h2{font-size:clamp(2.5rem,4.3vw,4.6rem)}
.contact p{color:var(--grey-bb);margin:24px 0 28px}
.contact address{font-style:normal;padding-top:4px;display:flex;flex-direction:column;align-items:flex-start}
.email{font-size:clamp(1.2rem,2.4vw,2.4rem);letter-spacing:-.04em;display:block;position:relative;width:fit-content;max-width:100%}
.phone{display:inline-block;margin:18px 0 26px;font-size:1.1rem;color:var(--grey-cc);transition:color .25s}
.contact dt{font-size:.68rem;letter-spacing:.07em;color:var(--grey-aa);margin-bottom:10px}
.contact dd{font-size:.86rem;line-height:1.6;margin:0 0 20px;color:var(--grey-dd)}
@media(max-width:1150px){
.hero{gap:28px}
.company-grid{gap:24px}
.company-fact>strong{font-size:3rem}
.company-fact:not(:first-child)>strong{height:53px}
.project-grid{gap:35px}
}
@media(max-width:760px){
.hero h1{font-size:clamp(2.85rem,15.2vw,6.5rem)}
.hero-copy{padding:0}
.hero-copy .eyebrow{font-size:.62rem;letter-spacing:.09em;margin-bottom:24px}
.hero-description{font-size:.95rem;margin-top:24px}
.hero-actions{gap:20px;margin:25px 0 18px}
.hero-actions .button{padding:0 20px}
.hero-footnote{font-size:.72rem}
.hero-image{min-height:0;height:300px;order:3}
.hero-image>img{object-position:center 53%}
.hero-image figcaption{font-size:.57rem}
.hero-image figcaption span+span{font-size:.67rem}
.featured{border-left:0;border-top:1px solid var(--line);padding:23px 0 0}
.featured h4{font-size:1.35rem;margin-top:16px}
.company-top{display:block}
.company-top>.eyebrow{margin-bottom:23px}
.company-top>p:last-child{margin-top:22px;font-size:.94rem}
.company-grid{grid-template-columns:1fr 1fr;gap:27px;margin-top:35px}
.company-fact h3{font-size:1.08rem}
.company-fact p{font-size:.83rem}
.company-fact>strong{font-size:2.8rem}
.company-fact:not(:first-child)>strong{height:49px}
.project-grid{grid-template-columns:1fr;gap:27px}
.project figure img{height:265px}
.project figcaption{font-size:.59rem}
.project-copy{padding:0}
.project h3{font-size:2rem}
.project h3 br{display:none}
.project-copy>p{font-size:.94rem}
.project dl>div{font-size:.8rem}
.contact-grid{grid-template-columns:1fr;gap:46px}
.contact h2{font-size:2.5rem}
.contact p{font-size:.94rem}
.email{font-size:1.7rem}
.contact address{border-top:1px solid var(--grey-4b);padding-top:25px}
}
.hero-copy,.company-fact{min-width:0}
html:not([lang=en]) .hero h1{font-size:clamp(2.5rem,4.5vw,5.1rem);line-height:1.05;letter-spacing:-.055em;hyphens:auto}
@media(max-width:760px){
html:not([lang=en]) .hero h1{font-size:clamp(2rem,8.3vw,4.6rem)}
html:not([lang=en]) .hero-image{padding-bottom:60px}
}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hero h1 .line-inner{display:block}
.hero h1 .muted{color:var(--grey-a9)}
.hero-image-frame{position:absolute;inset:0 0 46px;overflow:hidden}
.hero-image-frame>img{width:100%;height:100%;object-fit:cover;object-position:42% center;filter:saturate(.6);transform:translate3d(0,var(--parallax,0px),0) scale(1.14);transition:filter 1.2s var(--ease)}
.hero-image:hover .hero-image-frame>img{filter:saturate(.85)}
@media(max-width:760px){
.hero-image-frame{bottom:46px}
html:not([lang=en]) .hero-image-frame{bottom:60px}
}
@media(prefers-reduced-motion:no-preference){
.hero h1 .line-inner{animation:rise 1.15s var(--ease) both}
.hero h1 .line:nth-child(2) .line-inner{animation-delay:.09s}
.hero h1 .line:nth-child(3) .line-inner{animation-delay:.18s}
.hero-copy>.eyebrow{animation:fade-up .9s var(--ease) both}
.hero-description{animation:fade-up 1s var(--ease) .35s both}
.hero-actions{animation:fade-up 1s var(--ease) .45s both}
.hero-footnote{animation:fade-up 1s var(--ease) .55s both}
.hero-image-frame{animation:unveil 1.4s var(--ease-io) .1s both}
.hero-image-frame>img{animation:settle 2.4s var(--ease) .1s backwards}
.hero-image figcaption{animation:fade-in 1s ease .9s both}
.reveal-ready .project-figure img{clip-path:inset(0 0 100% 0);transition:clip-path 1.3s var(--ease-io),transform 1.4s var(--ease)}
.reveal-ready .project-figure.is-in img{clip-path:inset(0 0 0 0)}
.reveal-ready .company-grid>*:nth-child(2){--i:1}
.reveal-ready .company-grid>*:nth-child(3){--i:2}
.reveal-ready .company-grid>*:nth-child(4){--i:3}
}
/* Digit roll for 2007. */
.digits .digit{display:inline-block;overflow:hidden;vertical-align:top;height:1.1em}
.digits .digit>span{display:block}
@media(prefers-reduced-motion:no-preference){
.reveal-ready .digits .digit>span{transform:translateY(100%);transition:transform 1.2s var(--ease);transition-delay:calc(var(--d)*110ms + 200ms)}
.reveal-ready .is-in .digits .digit>span{transform:none}
}
/* Marquee of applications. */
.marquee{background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden;padding:26px 0;user-select:none}
.marquee-track{display:flex;width:max-content}
.marquee ul{display:flex;margin:0;padding:0;list-style:none;flex-shrink:0}
.marquee li{font-size:clamp(1.5rem,2.6vw,2.6rem);font-weight:500;letter-spacing:-.04em;white-space:nowrap;color:var(--ink);display:flex;align-items:center}
.marquee li::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--red);margin:0 clamp(22px,3vw,48px)}
.marquee li:nth-child(even){color:transparent;-webkit-text-stroke:1px var(--grey-8a)}
@media(prefers-reduced-motion:no-preference){
.marquee-track{animation:marquee 70s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
}
@keyframes marquee{to{transform:translateX(-50%)}}
/* Applications. */
.applications{background:var(--paper);border-top:1px solid var(--line)}
.app-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-auto-rows:minmax(200px,auto);gap:14px}
.app-tile{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:26px;background:white;border:1px solid var(--grey-dc);overflow:hidden;isolation:isolate;min-width:0;transition:color .45s var(--ease),border-color .45s,transform .6s var(--ease),opacity .9s var(--ease)}
.app-tile::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);transform:translateY(101%);transition:transform .6s var(--ease)}
.app-tile:hover{color:white;border-color:var(--ink)}
.app-tile:hover::before{transform:none}
.app-icon{color:var(--red);margin-bottom:auto;transition:transform .6s var(--ease)}
.app-family{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);transition:color .45s;margin-top:22px}
.app-tile:hover .app-family{color:var(--grey-a9)}
.app-title{font-size:clamp(1.15rem,1.5vw,1.45rem);font-weight:500;letter-spacing:-.035em;line-height:1.2;max-width:22ch}
.app-products{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.app-products li{font-size:.75rem;padding:5px 10px;border:1px solid var(--grey-d5);border-radius:30px;color:var(--muted);transition:border-color .45s,color .45s}
.app-tile:hover .app-products li{border-color:var(--grey-4a);color:var(--grey-d6)}
.app-tile--photo{grid-row:span 3;color:white;justify-content:flex-end;border-color:var(--ink);background:var(--ink);min-height:420px}
.app-tile--photo::before{display:none}
.app-tile--photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 80%;z-index:-2;transition:transform 1.4s var(--ease),filter .8s}
.app-tile--photo::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--ink-a05) 20%,var(--ink-a88) 100%)}
.app-tile--photo:hover img{transform:scale(1.06);filter:saturate(1.15)}
.app-tile--photo .app-family{color:var(--grey-d0)}
.app-tile--photo .app-title{font-size:clamp(1.6rem,2.4vw,2.3rem);max-width:16ch}
.app-tile--photo .app-products li{border-color:var(--white-a35);color:var(--grey-ee)}
.app-more{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-size:.875rem;padding-bottom:6px;border-bottom:1px solid var(--white-a40)}
.app-tile--photo:hover .app-more .arrow{transform:translateX(5px)}
@media(max-width:1150px){
.app-grid{grid-template-columns:1fr 1fr}
.app-tile--photo{grid-column:1/-1;grid-row:auto;min-height:360px}
}
@media(max-width:600px){
.app-grid{grid-template-columns:1fr;gap:10px;grid-auto-rows:auto}
.app-tile{padding:22px;min-height:0}
.app-tile--photo{min-height:320px}
.app-family{margin-top:10px}
}
.company-fact::before{content:"";position:absolute;left:0;top:-1px;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.company-fact:hover::before{transform:scaleX(1)}
/* Project. */
.project-figure{overflow:hidden}
.project-figure img{transition:transform 1.4s var(--ease)}
.project-figure:hover img{transform:scale(1.04)}
.project dl>div:hover{padding-left:8px;padding-right:8px;background:var(--grey-e8)}
/* How we work. */
.process{background:var(--grey-e9)}
.steps{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;position:relative}
.steps-line{position:absolute;left:0;right:0;top:22px;height:1px;background:var(--grey-bd);transform-origin:left}
.step{position:relative;padding-top:64px;min-width:0}
.step h3{font-size:1.25rem;letter-spacing:-.03em;line-height:1.25}
.step p{margin-top:12px;color:var(--muted);font-size:.92rem}
@media(prefers-reduced-motion:no-preference){
.reveal-ready .steps.is-in .steps-line{transform:scaleX(1)}
}
@media(max-width:900px){
.steps{grid-template-columns:1fr 1fr;gap:36px 24px}
.steps-line{display:none}
}
@media(max-width:600px){
.steps{grid-template-columns:1fr;gap:0}
.step{padding:0 0 30px 64px}
.step:not(:last-child)::after{content:"";position:absolute;left:22px;top:52px;bottom:8px;width:1px;background:var(--grey-bd)}
}
.contact-watermark{position:absolute;z-index:-1;right:-2vw;font-size:clamp(7rem,22vw,22rem);font-weight:600;letter-spacing:-.07em;line-height:1;color:transparent;pointer-events:none;transform:translate3d(var(--parallax-x,0px),0,0);-webkit-text-stroke:0;bottom:-.17em}
.email>span{background:linear-gradient(var(--red),var(--red)) no-repeat 0 100%/0 2px;transition:background-size .6s var(--ease),color .3s;padding-bottom:4px}
.email:hover>span{background-size:100% 2px}
.copy-email{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:8px 14px;min-height:40px;border:1px solid var(--grey-4b);border-radius:40px;background:transparent;color:var(--grey-cf);font-size:.8rem;transition:border-color .3s,color .3s,background-color .3s}
.copy-email:hover{border-color:white;color:white;background:var(--white-a06)}
.copy-email.is-done{border-color:var(--red);color:white}
.copy-status{display:block;min-height:1.4em;margin-top:8px;font-size:.78rem;color:var(--red-light)}
.phone:hover{color:white}
@media(prefers-reduced-motion:reduce){
.marquee-track{flex-wrap:wrap}
}
.hero h1 .line,.hero h1 .line-inner{color:white}
.hero h1 .line-inner.muted{color:var(--grey-a9)}
.company-fact:not(:first-child)>strong{color:inherit;height:auto;padding-top:0;display:block;white-space:nowrap;font-size:clamp(2.2rem,3.4vw,3.5rem)}
.hero-image-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(20deg,var(--grey-0f-a82) 0%,var(--grey-0f-a35) 40%,transparent 62%);pointer-events:none}
.contact-watermark img{height:.8em;width:auto;max-width:none}
.other-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
/* Other categories: photo, then text; the photo zooms on hover. */
.other-card{position:relative;display:flex;flex-direction:column;min-height:190px;border:1px solid var(--grey-d0);transition:background .45s var(--ease),color .45s,border-color .45s,transform .6s var(--ease);padding:0;overflow:hidden;background:white;border-color:var(--grey-d9)}
.other-num{font-size:.78rem;color:var(--red);font-weight:500;margin-top:0}
.other-title{margin-top:16px;font-size:1.25rem;letter-spacing:-.035em;line-height:1.2}
.other-tag{margin-top:8px;font-size:.84rem;color:var(--muted);transition:color .45s}
.other-card:hover .other-tag{color:var(--grey-bd)}
@media(max-width:1150px){
.other-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
.other-grid{grid-template-columns:1fr}
.other-card{min-height:0;display:grid;grid-template-columns:112px minmax(0,1fr) auto;grid-template-rows:auto auto 1fr;column-gap:16px;align-items:start}
}
.plate-mark{font-size:2.3rem;line-height:0;transition:transform .9s var(--ease)}
.plate-mark img{height:.95em;width:auto}
.plate-family{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey-9a);padding:0 18px;text-align:center;line-height:1.5}
/* Home hero: hovering or focusing a family previews its photo in the frame. */
.hero-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.08);filter:saturate(.8);transition:opacity .7s var(--ease),transform 1.8s var(--ease)}
.hero-preview:not([src]){display:none}
.hero-image.is-previewing .hero-preview.is-shown{opacity:1;transform:scale(1.02)}
.hero-image-frame>img:first-child{transition:filter 1.2s var(--ease),opacity .7s var(--ease)}
.hero-image.is-previewing .hero-image-frame>img:first-child{opacity:.25}
.hero-preview-labels{position:absolute;z-index:2;left:25px;right:25px;bottom:72px;pointer-events:none}
.hero-preview-label{position:absolute;left:0;bottom:0;display:flex;flex-direction:column;gap:6px;color:white;opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .7s var(--ease)}
.hero-preview-num{font-size:.75rem;letter-spacing:.08em;color:var(--red);font-weight:500}
.hero-preview-name{font-size:clamp(1.6rem,2.6vw,2.6rem);font-weight:500;letter-spacing:-.045em;line-height:1.05;text-shadow:0 4px 30px var(--black-a45)}
.hero-preview-count{font-size:.78rem;letter-spacing:.04em;color:var(--grey-d6)}
.hero-image.is-previewing .hero-preview-label.is-shown{opacity:1;transform:none;transition-delay:.08s}
@media(max-width:760px){
.hero-preview,.hero-preview-labels{display:none}
}
.other-media{display:block;position:relative;height:150px;margin-bottom:18px;overflow:hidden;background:var(--grey-1a)}
.other-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.85);transition:transform 1.2s var(--ease),filter .8s var(--ease)}
.other-card:hover .other-media img{transform:scale(1.07);filter:saturate(1)}
@media(max-width:600px){
.other-media{grid-row:1/4;height:100%;min-height:112px;margin:0}
.other-num{grid-column:2;padding-top:16px}
.other-title{grid-column:2;margin-top:6px;font-size:1.1rem}
.other-tag{grid-column:2;padding-bottom:16px}
}
.hero-image.is-previewing figcaption{opacity:0}
.project-copy>.eyebrow,.contact .eyebrow{font-size:.75rem}
/* Application areas (/industries/), link from the home applications block; the pages themselves use industries.css. */
.apps-all{margin-top:30px}
.apps-all .arrow{vertical-align:-4px}
.step-body{display:flex;flex-direction:column;gap:6px}
.step-title{font-weight:500;line-height:1.4;padding-top:2px}
.step-text{font-size:.92rem;line-height:1.55;color:var(--muted)}
@media(max-width:380px){
.project-page .prj-title{font-size:1.8rem}
}
@supports (grid-template-rows:subgrid){
.company-fact>*{align-self:start}
}
@supports (grid-template-rows:subgrid){@media(min-width:761px) and (max-width:1150px){
.app-grid{grid-auto-rows:auto}
.app-grid>.app-tile:not(.app-tile--photo){display:grid;grid-row:span 4;grid-template-rows:subgrid;row-gap:10px;align-content:start;justify-items:start}
.app-grid>.app-tile:not(.app-tile--photo)>.app-icon{margin-bottom:0}
.app-grid>.app-tile:not(.app-tile--photo)>:not(.arrow){align-self:start}
}}
.other-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1150px){
.other-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:600px){
.other-grid{grid-template-columns:1fr}
}
@supports (grid-template-rows:subgrid){@media(min-width:601px){
.other-grid>.other-card>.arrow{align-self:end}
}}

/* ===== Category pages and product cards ===== */
.range-index{grid-column:1/-1;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--grey-49);margin-top:8px}
.range-index a{min-height:76px;padding:18px 16px 18px 0;display:flex;align-items:center;gap:15px;font-size:.81rem;transition:color .2s;position:relative}
.range-index a:hover{color:white}
.range-index a span{font-size:.7rem;color:var(--grey-99);transition:color .3s;flex-shrink:0;overflow-wrap:normal;white-space:nowrap}
.buckets{height:auto;max-height:265px;object-fit:contain;transform:translate3d(0,var(--parallax,0px),0);transition:filter .6s}
@media(max-width:1150px){
.range-index a{font-size:.73rem;gap:8px}
}
@media(max-width:760px){
.range-index{margin-top:0;grid-template-columns:1fr 1fr;gap:0 18px;order:2}
.range-index a{min-height:55px;padding:13px 0;border-bottom:1px solid var(--grey-3a);font-size:.75rem;gap:10px;align-items:flex-start}
.range-index a:last-child{grid-column:1/-1;border:0;min-height:60px}
.buckets{align-self:center}
}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
/* Product cards. */
.product-card{display:flex;flex-direction:column;min-width:0;background:white;border:1px solid var(--grey-d9);position:relative;transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .3s,opacity .9s var(--ease)}
.product-media{height:172px;position:relative;margin:0;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(60% 85% at 50% 38%,white 0%,var(--grey-ef) 55%,var(--grey-e3) 100%)}
.product-media img{height:144px;width:auto;max-width:80%;object-fit:contain;margin-bottom:10px;position:relative;z-index:1;transition:transform .9s var(--ease);transform-origin:50% 100%}
.product-media figcaption{position:absolute;bottom:10px;left:16px;color:var(--muted);letter-spacing:.02em;right:16px;font-size:.65rem;line-height:1.35;z-index:1}
.product-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.product-type{font-size:.7rem;line-height:1.5;letter-spacing:.065em;text-transform:uppercase;color:var(--muted);margin:0 0 11px}
.product-card h4{font-size:1.35rem;line-height:1.25;letter-spacing:-.035em;min-height:3.375rem}
.product-description{font-size:1rem;line-height:1.55;color:var(--muted);margin:0 0 24px}
.product-actions{display:flex;gap:15px;align-items:center;justify-content:space-between;border-top:1px solid var(--grey-dd);padding-top:18px;margin-top:auto}
.product-actions>a{font-size:.85rem;text-decoration:underline;text-underline-offset:5px;line-height:1.5;text-decoration-color:var(--grey-9a);transition:text-decoration-color .25s,color .25s}
.product-actions>a span{font-size:.7rem;color:var(--muted);margin-left:3px;text-decoration:none}
.product-actions>.button{min-height:40px;padding:0 18px;font-size:.85rem;flex-shrink:0;margin-left:auto}
@media(max-width:1150px){
.product-grid{gap:12px}
.product-card-body{padding:20px}
.product-actions{gap:8px}
.product-actions>.button{padding:0 13px}
}
@media(max-width:900px){
.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:600px){
.product-grid{grid-template-columns:1fr;gap:16px}
.product-media{height:176px}
.product-media img{height:148px}
.product-card-body{padding:24px}
.product-card h4{font-size:1.45rem;min-height:0}
}
.catalogue-card h4{min-height:0}
@media(max-width:600px){
.product-actions>.button{padding:0 22px;min-height:44px}
}
/* Material guides and document enquiries. */
.material-guide{border-top:1px solid var(--line);margin:0 0 20px}
.material-guide>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:14px 0;font-size:.875rem;font-weight:500;list-style:none;transition:color .25s}
.material-guide>summary::-webkit-details-marker{display:none}
.material-guide>summary:after{content:"+";font-size:1.2rem;color:var(--action);transition:transform .4s var(--ease)}
.material-guide[open]>summary:after{content:"−";transform:rotate(180deg)}
.material-guide-content{padding:0 0 8px;overflow-wrap:anywhere}
.material-guide h5{font-size:.75rem;font-weight:600;margin:20px 0 10px;letter-spacing:.025em;color:var(--ink)}
.material-guide h5:first-child{margin-top:5px}
.material-guide ul{margin:0;padding-left:19px}
.material-guide li,.material-guide p,.material-guide dl{font-size:.85rem;line-height:1.6;color:var(--muted)}
.material-guide li+li{margin-top:6px}
.material-guide dl{margin:0}
.material-guide dl>div{padding:9px 0;border-bottom:1px solid var(--grey-e3)}
.material-guide dt{font-size:.75rem;color:var(--muted)}
.material-guide dd{margin:3px 0 0;color:var(--ink)}
.product-grid:has(.material-guide[open]){align-items:start}
.range-index a::before{content:"";position:absolute;top:-1px;left:0;right:16px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.range-index a::after{content:"→";margin-left:auto;padding-right:6px;opacity:0;transform:translateX(-8px);transition:opacity .3s,transform .45s var(--ease)}
.range-index a:hover::before{transform:scaleX(1)}
.range-index a:hover::after{opacity:1;transform:none}
.range-index a:hover span{color:var(--red)}
@media(max-width:760px){
.range-index a::after{display:none}
.range-index a::before{right:0}
}
@media(prefers-reduced-motion:no-preference){
.range-index{animation:line-in 1.2s var(--ease-io) .5s both}
.range-index a{animation:fade-up .9s var(--ease) both;animation-delay:.65s}
.range-index a:nth-child(2){animation-delay:.72s}
.range-index a:nth-child(3){animation-delay:.79s}
.range-index a:nth-child(4){animation-delay:.86s}
.range-index a:nth-child(5){animation-delay:.93s}
}
@keyframes rise{from{transform:translateY(108%)}}
@keyframes fade-up{from{opacity:0;transform:translateY(22px)}}
@keyframes fade-in{from{opacity:0}}
@keyframes fade-right{from{opacity:0;transform:translateX(-24px)}}
@keyframes unveil{from{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes settle{from{transform:scale(1.25)}}
@keyframes line-in{from{border-top-color:transparent}}
.product-card::before{content:"";position:absolute;z-index:2;left:-1px;right:-1px;top:-1px;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.product-card:hover::before{transform:scaleX(1)}
.product-media::after{content:"";position:absolute;left:28%;right:28%;bottom:22px;height:14px;border-radius:50%;background:radial-gradient(closest-side,var(--black-a18),transparent);z-index:0;transition:transform .8s var(--ease),opacity .8s}
.product-card:hover .product-media img{transform:translateY(-3px) scale(1.04)}
.product-card:hover .product-media::after{transform:scaleX(.85);opacity:.7}
.product-actions>a:hover{color:var(--action);text-decoration-color:var(--action)}
.material-guide>summary:hover{color:var(--action)}
.buckets:hover{filter:drop-shadow(0 20px 30px var(--black-a18))}
/* Category previews on the home page and category pages */
.product-media--cover{background:var(--grey-1a)}
.product-media--cover::after{display:none}
.product-media--cover img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;margin:0;transition:transform 1.4s var(--ease)}
.product-card:hover .product-media--cover img{transform:scale(1.07)}
.product-actions a .external{vertical-align:-3px;margin-left:2px;transition:transform .3s var(--ease)}
.product-actions a:hover .external{transform:translate(2px,-2px)}
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cat-card{grid-column:span 2;position:relative;display:flex;flex-direction:column;min-width:0;background:white;border:1px solid var(--grey-d9);scroll-margin-top:100px;transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .3s,opacity .9s var(--ease)}
.cat-card:nth-child(n/**/+4){grid-column:span 3}
.cat-card::before{content:"";position:absolute;z-index:2;left:-1px;right:-1px;top:-1px;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.cat-card:hover::before{transform:scaleX(1)}
.cat-media{height:250px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(60% 85% at 50% 38%,white 0%,var(--grey-ef) 55%,var(--grey-e1) 100%)}
.cat-card:nth-child(n/**/+4) .cat-media{height:280px}
.cat-media img{transition:transform 1.2s var(--ease)}
.cat-card--cover .cat-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-card:hover .cat-media img{transform:scale(1.06);filter:saturate(1)}
.cat-body{display:flex;flex-direction:column;flex:1;padding:26px 26px 24px}
.cat-num{font-size:.78rem;color:var(--red);font-weight:500;letter-spacing:.06em}
.cat-title{font-size:clamp(1.45rem,2vw,1.95rem);letter-spacing:-.04em;line-height:1.12;margin-top:12px}
.cat-tagline{margin-top:8px;font-size:.86rem;color:var(--muted)}
.cat-text{margin-top:16px;color:var(--grey-4a);font-size:.92rem;line-height:1.6}
.cat-names{margin-top:auto;padding-top:22px;font-size:.74rem;letter-spacing:.02em;color:var(--grey-7a);line-height:1.55}
.cat-more{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--grey-e1);font-size:.9rem;font-weight:500}
.cat-card:hover .cat-more{color:var(--action)}
.cat-card:hover .cat-more .arrow{transform:translateX(6px)}
.category-page .cat-hero{background:var(--ink);color:white;padding:34px max(var(--pad),calc((100vw - 1500px)/2)) 70px}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.cat-hero-copy{min-width:0}
.cat-hero-copy .eyebrow{color:var(--grey-c9);margin-bottom:22px}
.cat-hero-copy .eyebrow-num{color:var(--red)}
.cat-hero h1{font-size:clamp(2.7rem,5.2vw,5.6rem);line-height:1;letter-spacing:-.06em;hyphens:auto;overflow-wrap:anywhere}
.cat-hero .cat-tagline{margin-top:18px;color:var(--grey-a9);font-size:1.05rem}
.cat-lead{margin-top:22px;color:var(--grey-cf);max-width:560px;font-size:1.03rem;line-height:1.65}
.cat-hero .hero-actions{flex-wrap:wrap;margin-top:32px}
.cat-hero .text-link{border-color:var(--grey-66);color:var(--grey-e6)}
.cat-hero-media{margin:0;position:relative;min-height:420px;height:100%;overflow:hidden;border-radius:2px;background:var(--grey-1f)}
.cat-hero-media img{position:absolute;inset:0;width:100%;height:100%;filter:saturate(.9)}
.cat-hero-media--cover img{object-fit:cover}
.line-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:14px}
.line-tile{position:relative;display:flex;flex-direction:column;min-height:230px;padding:26px;background:white;border:1px solid var(--grey-d9);transition:background .45s var(--ease),color .45s var(--ease),border-color .45s,transform .6s var(--ease)}
.line-num{font-size:.78rem;color:var(--red);font-weight:500}
.line-tile h3{margin-top:18px;font-size:1.32rem;letter-spacing:-.035em;line-height:1.2}
.line-tile p{margin-top:12px;color:var(--muted);font-size:.9rem;line-height:1.55;transition:color .45s;margin-bottom:22px}
.line-more{margin-top:auto;padding-top:22px;display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:500}
.line-more .external{transition:transform .4s var(--ease)}
.line-tile:hover p{color:var(--grey-bd)}
.line-tile:hover .external{transform:translate(3px,-3px)}
.cat-products{background:var(--grey-e8e8e6)}
.cat-epdm{background:var(--ink);color:white}
.cat-epdm .eyebrow{color:var(--grey-a9)}
.cat-epdm h2{margin-top:6px}
.cat-epdm p{color:var(--grey-c4);margin-top:18px;max-width:520px;line-height:1.65}
.swatches{list-style:none;display:grid;grid-template-columns:repeat(8,1fr);gap:12px;margin:56px 0 0;padding:0}
.swatches li{min-width:0}
.swatches img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;display:block;border-radius:2px;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.swatches li:hover img{transform:translateY(-6px) scale(1.03);box-shadow:0 22px 40px -20px var(--black-a80)}
.swatches span{display:block;margin-top:10px;font-size:.78rem;color:var(--grey-cf)}
.gallery-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:70px 0 22px;border-top:1px solid var(--grey-3a);padding-top:26px}
.gallery-heading h3{font-size:clamp(1.5rem,2.4vw,2.2rem);letter-spacing:-.04em}
.gallery-heading p{margin:0;font-size:.86rem;color:var(--grey-a9);max-width:420px}
.gallery{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:240px 240px;gap:12px}
.gallery-item{margin:0;overflow:hidden;position:relative}
.gallery-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-item--0{grid-row:span 2}
.gallery-item--3{grid-column:span 2}
.cat-uses-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:start}
.cat-uses-grid h2{margin-top:6px}
.cat-uses-grid>div>p{margin-top:18px;color:var(--muted);max-width:420px}
.cat-cta{position:relative;overflow:hidden;background:var(--ink);color:white;padding:90px max(var(--pad),calc((100vw - 1500px)/2))}
.cat-cta-inner{position:relative;z-index:1;max-width:760px}
.cat-cta h2{font-size:clamp(2.4rem,4.3vw,4.4rem);text-transform:uppercase}
.cat-cta p{color:var(--grey-bb);margin:22px 0 6px}
.cat-cta .email{font-size:1.05rem;border-bottom:1px solid var(--grey-55);padding-bottom:4px}
.cat-cta .contact-watermark{position:absolute;right:-2vw;bottom:-6vw}
@media(max-width:1150px){
.cat-grid{grid-template-columns:repeat(2,1fr)}
.cat-card,.cat-card:nth-child(n/**/+4){grid-column:span 1}
.cat-card:last-child{grid-column:1/-1}
.swatches{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:900px){
.cat-hero-media{min-height:0;height:auto;width:100%;aspect-ratio:16/10}
.gallery{grid-template-columns:1fr 1fr;grid-template-rows:200px 200px 200px}
.gallery-item--0{grid-row:auto;grid-column:1/-1}
.gallery-item--3{grid-column:auto}
.gallery-heading{flex-direction:column;align-items:start}
}
@media(max-width:600px){
.cat-grid{grid-template-columns:1fr}
.cat-card:last-child{grid-column:auto}
.cat-media,.cat-card:nth-child(n/**/+4) .cat-media{height:210px}
.category-page .cat-hero{padding-bottom:50px}
.gallery{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:220px}
.gallery-item--0,.gallery-item--3{grid-column:auto}
.line-tile{min-height:0}
}
/* Full catalogue on category pages. */
.line-tile .line-more{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;border-top:1px solid var(--grey-e3);margin-top:auto;padding-top:16px}
.line-tile .line-more>span:first-child{color:var(--muted);font-weight:400;transition:color .45s}
.line-tile .line-more>span:last-child{display:inline-flex;align-items:center;gap:6px}
.line-tile:hover .line-more{border-color:var(--grey-3a)}
.line-tile:hover .line-more>span:first-child{color:var(--grey-bd)}
.cat-products .section-heading{margin-bottom:10px}
.line-block{padding-top:56px;scroll-margin-top:0}
.line-block-heading{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1.1fr) auto;gap:8px 24px;align-items:baseline;border-top:1px solid var(--grey-c9c9c6);padding:24px 0 26px}
.line-block-heading .line-num{font-size:.8rem}
.line-block-heading h3{font-size:clamp(1.45rem,2.3vw,2.2rem);letter-spacing:-.04em;line-height:1.12}
.line-block-heading p{color:var(--muted);font-size:.92rem;line-height:1.55;max-width:520px}
.line-count{font-size:.78rem;letter-spacing:.04em;color:var(--muted);white-space:nowrap;padding:6px 12px;border:1px solid var(--grey-c4c4c1);border-radius:40px}
.product-features{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:7px}
.product-features li{position:relative;padding-left:20px;font-size:.88rem;line-height:1.45}
.product-features li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--red)}
.product-specs{margin:0 0 20px;border-top:1px solid var(--grey-e3);margin-bottom:12px}
.product-specs>div{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:9px 0;border-bottom:1px solid var(--grey-e3);font-size:.8rem;line-height:1.4}
.product-specs dt{color:var(--muted)}
.product-specs dd{margin:0;text-align:right;font-weight:500;font-variant-numeric:tabular-nums}
.product-media--plate{flex-direction:column;gap:10px;background:radial-gradient(90% 120% at 20% 0%,var(--grey-2b) 0%,var(--ink) 70%)}
.product-media--plate::after{display:none}
.product-card:hover .plate-mark{transform:scale(1.06)}
.line-refs{border-top:1px solid var(--grey-c9c9c6);padding-top:18px}
.line-refs>p{font-size:.86rem;color:var(--muted);margin-bottom:12px}
.line-refs ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.line-refs a{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:8px 16px;background:white;border:1px solid var(--grey-d4);border-radius:40px;font-size:.88rem;transition:background .35s var(--ease),color .35s,border-color .35s}
.line-refs a:hover{background:var(--ink);color:white;border-color:var(--ink)}
.line-refs a:hover .ref-type{color:var(--grey-bd)}
.cat-count{display:block;margin-bottom:6px;font-size:.78rem;letter-spacing:.04em;color:var(--ink);font-weight:500}
@media(max-width:900px){
.line-block-heading{grid-template-columns:44px minmax(0,1fr) auto}
.line-block-heading p{grid-column:2/-1;grid-row:2}
}
@media(max-width:600px){
.line-block{padding-top:40px;scroll-margin-top:16px}
.line-block-heading{grid-template-columns:minmax(0,1fr) auto}
.line-block-heading .line-num{grid-column:1}
.line-block-heading h3{grid-column:1/-1;grid-row:2}
.line-block-heading p{grid-column:1/-1;grid-row:3}
.line-count{grid-column:2;grid-row:1;justify-self:end}
.line-refs a{width:100%;justify-content:space-between}
}
/* Design polish. Family photos, hero index preview, line navigation,
   image loading, page transitions. Everything degrades to the  layout. */
.cat-card .cat-media{background:var(--grey-1a)}
.cat-card .cat-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,var(--grey-0f-a28));pointer-events:none;opacity:.9;transition:opacity .6s var(--ease)}
.cat-card:hover .cat-media::after{opacity:.4}
.cat-card .cat-media img{filter:saturate(.88);transition:transform 1.2s var(--ease),filter .8s var(--ease)}
.range-index a.is-current{color:white}
.range-index a.is-current::before{transform:scaleX(1)}
.range-index a.is-current span{color:var(--red)}
/* Category pages: sticky navigation through the product lines. */
.line-nav{position:sticky;top:var(--header-h,86px);z-index:10;margin:30px 0 0;padding:12px 0;background:var(--grey-e8e8e6-a90);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:top .45s var(--ease),border-color .3s,box-shadow .45s var(--ease)}
.line-nav.is-stuck{border-bottom-color:var(--grey-cfcfcc);box-shadow:0 14px 30px -26px var(--ink-a50)}
.line-nav-track{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;scroll-behavior:smooth;scroll-padding:0 24px;-webkit-mask-image:linear-gradient(90deg,black calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,black calc(100% - 28px),transparent);padding-right:28px}
.line-nav-track::-webkit-scrollbar{display:none}
.line-nav a{flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;min-height:40px;padding:7px 8px 7px 16px;border:1px solid var(--grey-c4c4c1);border-radius:40px;background:var(--white-a55);font-size:.86rem;white-space:nowrap;transition:background .35s var(--ease),color .35s,border-color .35s}
.line-nav-count{display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 7px;border-radius:20px;background:var(--grey-e3e3e0);color:var(--muted);font-size:.72rem;font-variant-numeric:tabular-nums;transition:background .35s,color .35s}
.line-nav a:hover{border-color:var(--ink);background:white}
.line-nav a.is-active{background:var(--ink);border-color:var(--ink);color:white}
.line-nav a.is-active .line-nav-count{background:var(--red);color:white}
@media(max-width:600px){
.line-nav{margin-left:calc(-1*var(--pad));margin-right:calc(-1*var(--pad));padding:10px var(--pad)}
.line-nav a{font-size:.8rem;min-height:38px}
}
@media(prefers-reduced-motion:no-preference){
.reveal-ready .product-card:hover .product-media--cover img{transition:opacity .8s var(--ease),transform 1.4s var(--ease)}
/* Page transitions between portal pages (Chromium, Safari 18.2+); the family photo
   travels from the card that was clicked to the category hero. */
@view-transition{navigation:auto}
}
/* Product cards: the actions row draws the only line under the specs. */
.product-specs>div:last-child{border-bottom:0}
.stripes{display:flex;flex-direction:column;height:74px;padding:14px 18px 0;background:var(--grey-ecebe8);overflow:hidden}
/* Selection */
.finder{display:grid;gap:16px;padding:24px;background:white;border:1px solid var(--grey-dd);margin-bottom:8px}
.finder-row{display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;align-items:start}
.finder-label{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding-top:10px}
.finder-status{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--grey-e3);padding-top:14px}
.finder-count{font-size:.86rem;color:var(--muted)}
.finder-empty{padding:40px 0;max-width:620px;color:var(--muted)}
.cat-hero-media--preview{background:var(--grey-e3e3e1)}
.cat-hero-media--preview img{filter:none}
.cat-systems .text-link{margin-top:14px}
@media(max-width:760px){
.finder{padding:18px}
.finder-row{grid-template-columns:1fr;gap:8px}
.finder-label{padding-top:0}
}
/* Short labels never break inside a word; long words in headings fit narrow phones. */
.product-specs dt,.product-specs dd{overflow-wrap:break-word}
@media(max-width:380px){
.cat-hero h1{font-size:2.3rem}
}
/* Product filters on category pages, the same finder as on the systems page */
.cat-finder{margin:0 0 18px}
.cat-finder .finder-row{grid-template-columns:112px minmax(0,1fr)}
.cat-products .finder-empty .text-link{margin-left:6px}
@media(max-width:760px){
.cat-finder .finder-row{grid-template-columns:1fr}
}
.product-page .prod-nav{margin:0;padding:12px max(var(--pad),calc((100vw - 1500px)/2))}
.product-page .section{scroll-margin-top:60px}
.product-page .detail-block{scroll-margin-top:90px}
.colour-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px}
.colour-name{display:inline-flex;align-items:center;gap:10px;font-weight:500}
.colour-tint{font-size:.9rem;color:var(--muted)}
.swatch{width:26px;height:26px;border-radius:50%;box-shadow:inset 0 0 0 1px var(--black-a12)}
.swatch--9aa1a8{background:var(--swatch-9aa1a8)}
.swatch--f5f5dc{background:var(--swatch-f5f5dc)}
.swatch--3c3c3c{background:var(--swatch-3c3c3c)}
.swatch--dcd2c1{background:var(--swatch-dcd2c1)}
.product-actions a:hover .arrow{transform:translateX(4px)}
@media(max-width:760px){
.product-page .detail-block{scroll-margin-top:70px}
}
@media(max-width:600px){
.product-page .prod-nav{margin:0;padding:10px var(--pad)}
}
/* Cards and category blocks: label «role · chemistry · 1K/2K», floor one-liner, template figures,
   «What it is» and FAQ on category pages, compatible system, RAL colours and texture on product pages */
.product-oneliner{margin:9px 0 0;font-size:.86rem;line-height:1.45;font-weight:500;color:var(--ink)}
.product-specs--template dd.spec-missing{color:var(--muted);font-weight:400}
.cat-about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:start}
.cat-about-grid h2{margin-top:6px}
.cat-about .eyebrow,.cat-faq .eyebrow{color:var(--muted)}
.cat-about-text p{color:var(--muted);max-width:62ch}
.cat-about-text p+p{margin-top:14px}
.cat-about+.cat-lines{padding-top:0}
.cat-faq{background:var(--grey-e8e8e6)}
.cat-faq-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px 48px;align-items:start}
.cat-faq .section-heading{display:block;margin:0}
.cat-faq .section-heading h2{margin-top:6px}
.cat-faq .text-link{margin-top:18px}
.cat-faq+.cat-others{padding-top:85px}
.ral-block{margin-top:28px}
.ral-intro{margin-top:8px;font-size:.86rem;color:var(--muted);max-width:56ch}
.ral-list{list-style:none;margin:16px 0 18px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:12px 10px}
.ral-swatch{display:flex;flex-direction:column;align-items:stretch;gap:7px;width:100%;min-height:44px;padding:0;background:none;font-size:.74rem;text-align:left;font-variant-numeric:tabular-nums}
.ral-chip{display:block;aspect-ratio:3/2;border-radius:2px;box-shadow:inset 0 0 0 1px var(--black-a12);transition:transform .3s var(--ease,ease)}
.ral-swatch:hover span:last-child{color:var(--action)}
.ral-chip--9aa1a8{background:var(--swatch-9aa1a8)}
.ral-chip--8f9695{background:var(--swatch-8f9695)}
.ral-chip--cbd0cc{background:var(--swatch-cbd0cc)}
.ral-chip--d0d0d0{background:var(--swatch-d0d0d0)}
.ral-chip--969992{background:var(--swatch-969992)}
.ral-chip--8a9597{background:var(--swatch-8a9597)}
.ral-chip--4e5452{background:var(--swatch-4e5452)}
.ral-chip--45494e{background:var(--swatch-45494e)}
.ral-chip--f4f4f4{background:var(--swatch-f4f4f4)}
.ral-chip--f7b500{background:var(--swatch-f7b500)}
.ral-chip--2271b3{background:var(--swatch-2271b3)}
.ral-chip--cc0605{background:var(--swatch-cc0605)}
.texture-block{margin:28px 0 0}
.texture-block img{width:100%;height:auto}
.texture-block figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;margin-top:10px;font-size:.8rem;color:var(--muted)}
@media(max-width:900px){
.cat-about-grid,.cat-faq-grid{grid-template-columns:1fr;gap:26px}
}
@media(max-width:760px){
.cat-faq+.cat-others{padding-top:52px}
}
@supports (grid-template-rows:subgrid){
.product-card-body>h4{grid-row:2;min-height:0}
.cat-grid>.cat-card>.cat-media{height:auto;min-height:250px}
.cat-grid>.cat-card:nth-child(n/**/+4)>.cat-media{min-height:280px}
.cat-card>.cat-body>.cat-names{margin-top:0;padding-top:22px}
.line-grid>.line-tile>*{align-self:start}
.line-grid>.line-tile>.line-more{margin-top:0;flex-wrap:wrap;row-gap:6px}
.line-grid>.line-tile>.line-more>span{white-space:nowrap}
}
@supports (grid-template-rows:subgrid){@media(max-width:600px){
.cat-grid>.cat-card>.cat-media,.cat-grid>.cat-card:nth-child(n/**/+4)>.cat-media{min-height:210px}
}}
@media(prefers-reduced-motion:no-preference){
.range-index a:nth-child(6){animation-delay:1s}
.range-index a:nth-child(7){animation-delay:1.07s}
}
.cat-hero-media canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.cat-hero-media.is-drawing::after{content:"";position:absolute;inset:0;background:var(--grey-e3e3e1-a35);animation:look-pulse 1.2s var(--ease-io) infinite alternate}
@keyframes look-pulse{from{opacity:.2}to{opacity:1}}
@media(prefers-reduced-motion:reduce){
.cat-hero-media.is-drawing::after{animation:none;opacity:.6}
}
.look-row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:center}
.look-label{margin:0;font-size:.72rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--grey-a9)}
.look-value{display:block;margin-top:3px;font-size:.86rem;letter-spacing:0;text-transform:none;color:white}
.look-swatches,.look-chips{display:flex;flex-wrap:wrap;gap:8px}
.look-swatch{width:30px;height:30px;padding:3px;border:1px solid var(--grey-4a);border-radius:50%;background:transparent;transition:border-color .2s,transform .2s var(--ease)}
.look-swatch svg{display:block;width:100%;height:100%;border-radius:50%}
.look-chip{min-height:34px;padding:0 14px;border:1px solid var(--grey-4a);border-radius:100px;background:transparent;color:var(--grey-e6);font-size:.82rem;transition:border-color .2s,background .2s,color .2s}
.look-chip:hover{border-color:var(--grey-a9)}
.look-chip[aria-pressed="true"]{background:white;border-color:white;color:var(--ink)}
.look-swatch:focus-visible,.look-chip:focus-visible,.look-live:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.look-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}
.look-status{flex:1 1 220px;margin:0;font-size:.8rem;line-height:1.45;color:var(--grey-a9)}
.look-note{margin:0;padding:10px 14px;border-left:2px solid var(--red);font-size:.8rem;line-height:1.5;color:var(--grey-d6);background:var(--grey-1f)}
@media(max-width:600px){
.look-row{grid-template-columns:minmax(0,1fr);gap:8px}
.look-value{display:inline;margin:0 0 0 6px}
}

/* ===== Coating systems: overview, selection, layer drawings ===== */
.stripe--concrete,.layer-swatch--concrete{background:var(--stripe-concrete) radial-gradient(circle at 30% 40%,var(--stripe-concrete-2) 1px,transparent 1.5px) 0 0/7px 6px}
.stripe--asphalt{background:var(--stripe-asphalt) radial-gradient(circle,var(--stripe-asphalt-2) 1px,transparent 1.5px) 0 0/6px 5px}
.stripe--primer,.layer-swatch--primer{background:var(--stripe-primer)}
.stripe--putty,.layer-swatch--putty{background:var(--stripe-putty)}
.stripe--base,.layer-swatch--base{background:var(--stripe-base)}
.stripe--quartz,.layer-swatch--quartz{background:var(--stripe-quartz) radial-gradient(circle,var(--stripe-quartz-2) 1.1px,transparent 1.6px) 0 0/5px 4px}
.stripe--quartz_colour,.layer-swatch--quartz_colour{background:var(--stripe-quartz-colour) radial-gradient(circle,var(--stripe-quartz-colour-2) 1px,transparent 1.5px) 0 0/5px 4px}
.stripe--conductive,.layer-swatch--conductive{background:var(--stripe-conductive) linear-gradient(90deg,transparent 40%,var(--stripe-conductive-2) 40% 55%,transparent 55%) 0 0/14px 100%}
.stripe--topcoat,.layer-swatch--topcoat{background:linear-gradient(180deg,var(--stripe-topcoat),var(--stripe-topcoat-2))}
.stripe--flakes,.layer-swatch--flakes{background:var(--stripe-flakes) radial-gradient(circle,var(--stripe-flakes-2) 1px,transparent 1.5px) 0 0/6px 5px}
.stripe--varnish,.layer-swatch--varnish{background:linear-gradient(180deg,var(--stripe-varnish),var(--stripe-varnish-2))}
.stripe--paint,.layer-swatch--paint{background:linear-gradient(180deg,var(--stripe-paint),var(--stripe-paint-2))}
.stripe--impregnation,.layer-swatch--impregnation{background:var(--stripe-impregnation)}
.stripe--pu_cement,.layer-swatch--pu_cement{background:var(--stripe-pu-cement) radial-gradient(circle,var(--stripe-pu-cement-2) 1px,transparent 1.5px) 0 0/6px 5px}
.stripe--rubber,.layer-swatch--rubber,.stripe--roll,.layer-swatch--roll{background:var(--stripe-rubber) radial-gradient(circle,var(--stripe-rubber-2) 1.2px,transparent 1.7px) 0 0/5px 5px}
.stripe--epdm,.layer-swatch--epdm{background:var(--stripe-epdm) radial-gradient(circle,var(--stripe-epdm-2) 1.2px,transparent 1.7px) 0 0/5px 5px}
.stripe--binder,.layer-swatch--binder{background:var(--stripe-binder)}
.stripe--adhesive,.layer-swatch--adhesive{background:var(--stripe-adhesive)}
.stripe{display:block;flex:0 0 5px;border-top:1px solid var(--white-a35)}
.stripe--topcoat,.stripe--paint,.stripe--epdm,.stripe--rubber,.stripe--roll,.stripe--quartz_colour,.stripe--pu_cement{flex-basis:10px}
.stripe--quartz,.stripe--base,.stripe--putty{flex-basis:7px}
.stripe--concrete,.stripe--asphalt{flex:1 0 14px}
/* Layer drawing */
.layer-diagram{display:block;width:100%;height:auto;overflow:visible}
.ld-face{filter:brightness(.93)}
.ld-side{filter:brightness(.78)}
.ld-pattern{pointer-events:none;opacity:.85}
.ld-shine{pointer-events:none}
.ld-layer{transition:transform .7s var(--ease),opacity .35s}
.ld-marker{transition:transform .7s var(--ease),opacity .35s}
.ld-marker circle{fill:var(--ink);stroke:white;stroke-width:2;transition:fill .25s}
.ld-marker text{fill:white;font:600 12px Inter,Arial,sans-serif;pointer-events:none}
.layer-diagram.is-focused .ld-layer:not(.is-active):not([data-layer="0"]){opacity:.28}
.layer-diagram .ld-marker.is-active circle{fill:var(--red)}
.will-build.is-built .layer-diagram .ld-layer.is-active,.will-build.is-built .layer-diagram .ld-marker.is-active{transform:translateY(-8px)}
.will-build.is-built .layer-diagram.is-focused .ld-layer:not(.is-active):not([data-layer="0"]){opacity:.28}
.is-built .layer-diagram.is-focused [data-layer],.is-built .layer-diagram [data-layer].is-active{transition-delay:0s}
/* Overview hero */
.sys-hero-grid{align-items:center}
.sys-hero-diagram{margin:0;padding:10px 0 0}
.sys-hero-media{position:relative;display:block;aspect-ratio:3/2;overflow:hidden;border-radius:2px;background:var(--grey-e3e3e1)}
.sys-hero-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.sys-hero-media:hover img{transform:scale(1.03)}
.sys-hero-media-label{position:absolute;left:0;right:0;bottom:0;padding:32px 18px 14px;font-size:.82rem;line-height:1.4;color:var(--grey-1f);background:linear-gradient(180deg,var(--grey-e3e3e1-a00),var(--grey-e3e3e1-a94) 60%)}
.sys-hero-media-label .sys-code{margin-right:4px}
.sys-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:34px 0 0;max-width:560px}
.sys-stats div{border-top:1px solid var(--grey-3a);padding-top:14px;display:flex;flex-direction:column-reverse;justify-content:space-between}
.sys-stats dt{font-size:.78rem;line-height:1.4;color:var(--grey-9a)}
.sys-stats dd{margin:0 0 6px;font-size:clamp(2rem,3.2vw,3rem);letter-spacing:-.04em;font-weight:500;line-height:1;order:-1}
.sys-hero .text-link{color:var(--grey-e6);border-color:var(--grey-66);background-color:transparent}
.sys-group-nav{margin-top:18px}
.sys-group{padding-top:52px;scroll-margin-top:150px}
.sys-group[hidden],.sys-group-nav a[hidden]{display:none}
.sys-group-head{display:grid;grid-template-columns:60px minmax(0,1fr) minmax(0,1.1fr) auto;gap:8px 24px;align-items:baseline;border-top:1px solid var(--line);padding-top:22px;margin-bottom:22px}
.sys-group-head h3{font-size:clamp(1.4rem,2vw,1.9rem);line-height:1.15}
.sys-group-head p{color:var(--muted);font-size:.92rem;line-height:1.55}
.sys-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sys-card{display:flex;flex-direction:column;min-width:0;background:white;border:1px solid var(--grey-da);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.sys-card[hidden]{display:none}
.sys-card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.sys-code{align-self:start;font-size:.76rem;font-weight:600;color:var(--red);letter-spacing:.04em}
.sys-card-title{font-size:1.18rem;line-height:1.28;letter-spacing:-.03em;font-weight:500}
.sys-card-summary{font-size:.9rem;line-height:1.5;color:var(--muted)}
.sys-facts{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.78rem;color:var(--ink);font-variant-numeric:tabular-nums}
.sys-facts span{white-space:nowrap}
.sys-tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.sys-tags li{font-size:.72rem;padding:4px 9px;border-radius:100px;background:var(--grey-f0efed);color:var(--grey-4a)}
.sys-card-more{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--grey-ee);font-size:.82rem}
.sys-card:hover .sys-card-more .arrow{transform:translateX(4px)}
.sys-card-media{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--grey-e3e3e1)}
/* The system picture as a small thumbnail: area tables, home page tiles */
.sys-thumb{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--grey-e3e3e1)}
.sys-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.sys-card-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.sys-card:hover .sys-card-media img{transform:scale(1.035)}
.sys-preview-note{position:absolute;left:0;right:0;bottom:0;padding:32px 18px 14px;font-size:.76rem;line-height:1.45;color:var(--grey-3a);background:linear-gradient(180deg,var(--grey-e3e3e1-a00),var(--grey-e3e3e1-a94) 60%)}
@media(max-width:600px){
.sys-preview-note{padding:22px 12px 9px;font-size:.68rem;line-height:1.35}
}
/* Thickness scale */
.scale-wrap{background:white;border:1px solid var(--grey-dd);padding:26px 24px 18px}
.thickness-scale{display:block;width:100%;height:auto;font-family:Inter,Arial,sans-serif}
.scale-tick line{stroke:var(--grey-e5);stroke-width:1}
.scale-tick text,.scale-unit{font-size:11px;fill:var(--grey-8a)}
.scale-label{font-size:12px;fill:var(--grey-4a)}
.scale-code{font-weight:600;fill:var(--ink)}
.scale-hit{fill:transparent;transition:fill .25s}
.scale-row:hover .scale-hit,.scale-row:focus .scale-hit{fill:var(--grey-f4f3f1)}
.scale-bar{fill:var(--ink);transition:opacity .25s}
.scale-row--polyurethane .scale-bar{fill:var(--scale-polyurethane)}
.scale-row--paint .scale-bar{fill:var(--scale-paint)}
.scale-row--pu_cement .scale-bar{fill:var(--red)}
.scale-row--sports .scale-bar{fill:var(--scale-sports)}
.thickness-scale .scale-row:hover .scale-bar,.thickness-scale .scale-row:focus .scale-bar{opacity:1}
.scale-row:hover .scale-label{fill:var(--red)}
/* System page */
.system-page .sys-title{font-size:clamp(2.1rem,3.7vw,3.7rem);line-height:1.05;letter-spacing:-.05em;hyphens:auto;overflow-wrap:anywhere}
.sys-keyfacts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:30px 0 0}
.sys-keyfacts div{border-top:1px solid var(--grey-3a);padding-top:12px;min-width:0}
.sys-keyfacts dt{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--grey-9a);margin-bottom:6px}
.sys-keyfacts dd{margin:0;font-size:1.1rem;line-height:1.3;color:white;font-variant-numeric:tabular-nums}
.buildup-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:start}
.buildup-diagram{position:sticky;top:calc(var(--header-h,86px) + 20px);margin:0;padding:30px 26px 20px;background:white;border:1px solid var(--grey-dd)}
.buildup-diagram figcaption{margin-top:14px;font-size:.82rem;color:var(--muted);border-top:1px solid var(--grey-ee);padding-top:12px}
.layer-head{display:flex;justify-content:space-between;font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:0 0 10px;border-bottom:1px solid var(--line)}
.layer-list{list-style:none;margin:0;padding:0}
.layer-row{display:grid;grid-template-columns:28px 26px minmax(0,1fr) auto;gap:14px;align-items:start;padding:16px 10px 16px 0;border-bottom:1px solid var(--grey-de);transition:background .25s}
.layer-row.is-active{background:white}
.layer-num{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:white;font-size:.75rem;font-weight:600;transition:background .25s}
.layer-row.is-active .layer-num{background:var(--red)}
.layer-swatch{display:block;width:26px;height:26px;border-radius:3px;box-shadow:inset 0 0 0 1px var(--black-a08)}
.layer-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.layer-stage{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.layer-products{font-size:1rem;line-height:1.4;font-weight:500}
.layer-products a{text-decoration:underline;text-decoration-color:var(--grey-bb);text-underline-offset:4px;transition:text-decoration-color .25s,color .25s}
.layer-products a:hover{color:var(--red);text-decoration-color:currentColor}
.layer-or{font-weight:400;color:var(--muted);font-size:.85rem}
.layer-mix{font-size:.86rem;line-height:1.4}
.layer-mix a{text-decoration:underline;text-underline-offset:3px}
.layer-mix-note,.layer-note{font-size:.8rem;color:var(--muted);line-height:1.45}
.layer-amount{display:flex;flex-direction:column;align-items:flex-end;gap:2px;text-align:right;font-variant-numeric:tabular-nums}
.layer-amount-value{font-size:.98rem;font-weight:500;white-space:nowrap}
.layer-calc{font-size:.8rem;color:var(--red);white-space:nowrap}
.layer-total{display:flex;justify-content:space-between;align-items:start;gap:16px;padding:18px 10px 0 0;font-weight:500}
.layer-total-label{font-size:.9rem}
.layer-calc--total{font-size:.86rem}
.calc{margin-top:26px;padding:20px;background:white;border:1px solid var(--grey-dd);display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:10px 18px;align-items:center}
.calc label{display:flex;flex-direction:column;gap:4px;font-weight:500}
.calc label span{font-weight:400;font-size:.8rem;color:var(--muted)}
.calc input:focus{outline:3px solid var(--red-a30);border-color:var(--red)}
.calc-note{grid-column:1/-1;font-size:.78rem;color:var(--muted);line-height:1.5}
.sys-product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.sys-product{display:flex;flex-direction:column;background:white;border:1px solid var(--grey-dd);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.sys-product-media{aspect-ratio:4/3;overflow:hidden;background:var(--grey-e9)}
.sys-product-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.sys-product:hover .sys-product-media img{transform:scale(1.05)}
.sys-product-name{padding:16px 18px 6px;font-weight:500;line-height:1.3}
.sys-product-more{display:flex;align-items:center;gap:8px;padding:0 18px 16px;font-size:.8rem;color:var(--muted);margin-top:auto}
.sys-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:14px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x proximity;scrollbar-width:thin}
.sys-rail .sys-card{scroll-snap-align:start}
/* Home teaser and product cards */
.sys-teaser{background:var(--grey-e8e8e6)}
.sys-teaser-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}
.sys-teaser-copy h2{margin-bottom:20px}
.sys-teaser-copy>p:not(.eyebrow){color:var(--muted);max-width:460px;margin-bottom:28px}
.sys-teaser-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.sys-teaser-tile{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-rows:auto auto auto;gap:4px 14px;align-items:center;padding:0 18px 0 0;background:white;border:1px solid var(--grey-d8);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.sys-teaser-tile .stripes{grid-row:1/4;align-self:stretch;height:auto;min-height:86px;width:64px;padding:12px 0 0 12px;background:var(--grey-efeeeb)}
.sys-teaser-tile .sys-thumb{grid-row:1/4;align-self:stretch;width:96px;min-height:86px;aspect-ratio:auto}
.sys-teaser-tile .line-num{padding-top:16px}
.sys-teaser-name{grid-column:2;font-weight:500;line-height:1.3}
.sys-teaser-count{grid-column:2;padding-bottom:16px;font-size:.8rem;color:var(--muted)}
.sys-teaser-tile .arrow{grid-row:1/4;grid-column:3}
.sys-teaser-tile:last-child:nth-child(odd){grid-column:1/-1}
@media(max-width:1150px){
.sys-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.sys-group-head{grid-template-columns:48px minmax(0,1fr) auto}
.sys-group-head p{grid-column:2/-1;grid-row:2}
.sys-keyfacts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
.buildup-diagram{position:static}
.sys-teaser-grid{gap:30px}
}
@media(max-width:760px){
.sys-stats{gap:12px}
.sys-grid{grid-template-columns:1fr}
.scale-wrap{padding:18px 14px}
.calc{grid-template-columns:1fr}
}
@media(max-width:600px){
.sys-teaser-tiles{grid-template-columns:1fr}
.sys-teaser-tile:last-child:nth-child(odd){grid-column:auto}
.layer-row{grid-template-columns:26px minmax(0,1fr) auto;gap:10px}
.layer-swatch{display:none}
.buildup-diagram{padding:18px 12px 14px}
.sys-keyfacts dd{font-size:1rem}
.sys-group-head{grid-template-columns:minmax(0,1fr) auto}
.sys-group-head .line-num{grid-column:1;grid-row:1}
.sys-group-head .line-count{grid-column:2;grid-row:1}
.sys-group-head h3,.sys-group-head p{grid-column:1/-1;grid-row:auto}
.sys-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.sys-product-name{padding:12px 12px 4px;font-size:.9rem}
.sys-product-more{padding:0 12px 12px}
.sys-rail{grid-auto-columns:minmax(240px,82%)}
}
@media(max-width:1150px){
.sys-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.sys-teaser-copy>.eyebrow{color:var(--muted)}
.thickness-scale--compact{display:none}
@media(max-width:760px){
.thickness-scale{display:none}
.thickness-scale--compact{display:block}
}
.stack{list-style:none;margin:0;padding:0;border-top:1px solid var(--grey-c9c9c6)}
.stack-layer{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:14px 32px;padding:20px 0;border-bottom:1px solid var(--grey-c9c9c6);align-items:start}
.stack-role{display:flex;gap:12px;align-items:center;font-weight:500;font-size:1rem}
.stack-role .layer-num{flex:none}
.stack-optional{display:block;font-weight:400;font-size:.78rem;color:var(--muted)}
.stack-items{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.stack-item{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;align-items:center;height:100%;padding:10px;background:white;border:1px solid var(--grey-deded9);transition:border-color .2s}
a.stack-item:hover{border-color:var(--grey-9a)}
a.stack-item:hover .stack-name{color:var(--action)}
.stack-item.is-current{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.stack-media img{width:72px;height:54px;object-fit:cover}
.stack-name{display:block;font-weight:500;font-size:.92rem;line-height:1.3;overflow-wrap:anywhere}
.stack-meta{display:block;margin-top:4px;font-size:.68rem;line-height:1.4;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.stack-this{display:block;margin-top:5px;font-size:.74rem;font-weight:500;color:var(--action)}
@media(max-width:760px){
.stack-layer{grid-template-columns:1fr}
.stack-items{grid-template-columns:1fr}
}
@supports (grid-template-rows:subgrid){
.dew-fields>label>input{margin-top:6px}
.sys-card>.sys-card-body>*+*{margin-top:10px}
.stack-items>li{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0}
.stack-items>li>.stack-item{grid-row:1/-1;grid-template-rows:subgrid;row-gap:0;height:auto}
.stack-body>*{align-self:start}
.sys-teaser-tile>:is(.line-num,.sys-teaser-name,.sys-teaser-count){align-self:start}
}
/* Colour and gloss of the system cutaway: switches under the preview; preview/systems.js loads the
   visualizer engine on «Посмотреть вживую» or a switch and redraws the cutaway in a canvas over the WebP. */
.sys-hero-visual{display:flex;flex-direction:column;gap:18px;align-self:stretch;min-width:0}
.sys-hero-visual>.cat-hero-media{flex:1 1 auto;height:auto}
.sys-look{display:grid;gap:14px}
.sys-look .look-live{min-height:42px;padding:0 20px;font-size:.86rem;color:white;border-color:var(--grey-66)}
.sys-look .look-live:hover{background:linear-gradient(white,white) no-repeat 50% 100%/100% 100%;color:var(--ink);border-color:white}
.sys-look .look-live[hidden]{display:none}
@media(max-width:900px){
.sys-hero-visual>.cat-hero-media{flex:none}
}

/* ===== System and product pages: shared blocks ===== */
.source-note{margin-top:26px;font-size:.78rem;line-height:1.55;color:var(--muted);max-width:820px}
.details-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.detail-block{background:white;border:1px solid var(--grey-dd);padding:30px}
.detail-block h2,.detail-h{font-size:clamp(1.6rem,2.2vw,2.1rem);margin-bottom:20px}
.detail-h+*{margin-bottom:8px}
.pill-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.detail-block .detail-h:not(:first-child){margin-top:34px}
.detail-block h3{font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:26px 0 12px}
.conditions{margin:0;display:grid;gap:0}
.conditions div{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:16px;padding:14px 0;border-top:1px solid var(--grey-e6)}
.conditions dt{font-size:.86rem;color:var(--muted)}
.conditions dd{margin:0;display:flex;flex-direction:column;gap:8px}
.related-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.related-nav{display:flex;align-items:center;gap:18px;font-size:.86rem}
@media(max-width:760px){
.detail-block{padding:22px}
.conditions div{grid-template-columns:1fr;gap:8px}
}
@media(max-width:600px){
.related-nav{gap:10px}
}
.spec-table{margin:0}
.spec-table div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;padding:13px 0;border-top:1px solid var(--grey-e6)}
.spec-table div:first-child{border-top:0;padding-top:0}
.spec-table dt{font-size:.9rem;color:var(--muted);overflow-wrap:break-word}
.spec-table dd{margin:0;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:break-word}
.doc-list{list-style:none;margin:18px 0 0;padding:0}
.doc-list li{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--grey-e6);font-size:.95rem}
.doc-icon{flex:0 0 auto;color:var(--red)}
@media(max-width:760px){
.spec-table div{grid-template-columns:minmax(0,1fr);gap:4px}
}
/* Product documents: open PDF files next to documents on request. */
.doc-list li:has(.doc-name){display:grid;grid-template-columns:auto minmax(0,1fr) auto;column-gap:12px}
.doc-name{display:flex;flex-direction:column;gap:3px;min-width:0}
.doc-meta{color:var(--muted);font-size:.8rem;line-height:1.4}
.doc-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:.86rem;font-weight:500;white-space:nowrap}
.doc-link span{border-bottom:1px solid var(--grey-aa);padding-bottom:2px;transition:border-color .2s}
.doc-link:hover{color:var(--action)}
.doc-link:hover span{border-color:var(--action)}
.doc-link svg{color:var(--red)}
.doc-tag{color:var(--muted);font-size:.82rem;white-space:nowrap}
@media(max-width:480px){
.doc-list li:has(.doc-name){grid-template-columns:auto minmax(0,1fr)}
.doc-list li:has(.doc-name) .doc-icon{align-self:start}
.doc-link,.doc-tag{grid-column:2;justify-self:start}
.doc-link{min-height:40px}
.doc-tag{margin-top:4px}
}
/* Certificate preview on product pages (a picture that it exists, the file on request) */
.doc-preview{display:block;width:64px;height:auto;border:1px solid var(--grey-d9);background:white;box-shadow:0 1px 3px var(--black-a08)}
.doc-list li:has(.doc-preview){align-items:center}
@media(max-width:480px){
.doc-list li:has(.doc-name) .doc-preview{width:52px;grid-row:span 2;align-self:start}
}
/* Language of each document as a badge, and a request for it in the page language */
.doc-meta:has(.doc-lang){display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px}
.doc-lang{display:inline-block;padding:0 5px;border:1px solid var(--grey-bd);border-radius:3px;font-size:.66rem;font-weight:600;letter-spacing:.06em;line-height:1.5;color:var(--ink);text-decoration:none;cursor:help}
.doc-list li>.button{grid-column:2/-1;justify-self:start;min-height:38px;padding:0 16px;margin-top:8px;font-size:.82rem}
@media(max-width:480px){
.doc-list li>.button{grid-column:2;max-width:100%}
}

/* ===== Product pages ===== */
/* Product pages — one template for every catalogue product, built from the system and category pieces. */
.prod-hero .prod-title{font-size:clamp(2.3rem,4.2vw,4.4rem);line-height:1.02;letter-spacing:-.055em;overflow-wrap:break-word;hyphens:manual}
.prod-hero .cat-hero-grid{align-items:stretch}
.prod-hero .cat-hero-media{min-height:460px}
.prod-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:24px 0 0;padding:0}
.prod-chips a,.prod-chips span{display:inline-flex;align-items:center;min-height:32px;padding:5px 13px;border:1px solid var(--grey-47);border-radius:100px;font-size:.8rem;color:var(--grey-e2);transition:border-color .25s,background .25s,color .25s}
.prod-chips a:hover{border-color:white;background:white;color:var(--ink)}
.prod-keyfacts{margin-top:28px}
.prod-empty{color:var(--muted)}
.prod-side{display:grid;gap:20px}
.prod-calc{margin:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end}
.prod-calc-title{grid-column:1/-1;font-size:1.15rem;font-weight:500;letter-spacing:-.02em}
.prod-calc label{font-size:.82rem;font-weight:400;color:var(--muted);margin:0}
.prod-calc input{margin-top:6px;color:var(--ink)}
.prod-calc-result{grid-column:1/-1;min-height:1.6em;font-size:1.25rem;font-weight:500;color:var(--red);font-variant-numeric:tabular-nums;line-height:1.35}
.prod-guide{background:white;border:1px solid var(--grey-dd);padding:22px 20px}
.prod-guide h3{font-size:1.15rem;font-weight:500;letter-spacing:-.02em;margin-bottom:10px}
.prod-note{font-size:.94rem;line-height:1.55}
.prod-apply-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px;align-items:start}
.prod-apply-grid--single{grid-template-columns:minmax(0,1fr)}
.prod-steps{list-style:none;margin:0;padding:0;counter-reset:none}
.prod-step{display:grid;grid-template-columns:26px minmax(0,1fr);gap:16px;padding:16px 0;border-top:1px solid var(--grey-e6)}
.prod-step:first-child{border-top:0;padding-top:0}
.prod-links a{text-decoration:underline;text-decoration-color:var(--grey-bb);text-underline-offset:3px}
.prod-links a:hover{color:var(--red)}
.prod-docs-intro{color:var(--muted);font-size:.94rem}
.prod-docs-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:22px}
.prod-docs-actions .text-link{align-items:center;gap:8px}
.prod-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,calc((100% - 42px)/4));gap:14px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x proximity;scrollbar-width:thin}
.prod-rail .sys-product{scroll-snap-align:start}
.prod-related .sys-product-grid,.prod-line .related-head{margin-top:0}
@media(max-width:1150px){
.prod-side{grid-template-columns:repeat(2,minmax(0,1fr))}
.prod-side>:only-child{grid-column:1/-1}
.prod-rail{grid-auto-columns:minmax(220px,calc((100% - 28px)/3))}
}
@media(max-width:900px){
.prod-hero .cat-hero-media{min-height:300px;height:300px}
.prod-side{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:760px){
.prod-calc{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.prod-rail{grid-auto-columns:minmax(200px,72%)}
}
@media(max-width:600px){
.prod-hero .cat-hero-media{height:240px;min-height:240px}
.prod-keyfacts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:380px){
.prod-hero .prod-title{font-size:2rem}
}
.prod-hero .hero-actions{flex-wrap:wrap;gap:14px 22px}
.prod-oneliner{margin-top:12px;color:var(--grey-e4);font-size:.98rem;line-height:1.5;max-width:560px}
@supports (grid-template-rows:subgrid){
.prod-calc{align-items:stretch}
}

/* ===== Projects ===== */
.pager{padding:9px 14px;border:1px solid var(--grey-cc);border-radius:100px;font-variant-numeric:tabular-nums;transition:border-color .25s,background .25s}
.pager:hover{border-color:var(--ink);background:white}
/* Projects: portfolio of sites from tnpgroup.ru, links from systems, spheres and the home page. */
.prj-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:8px}
.prj-card{display:flex;flex-direction:column;min-width:0;background:white;border:1px solid var(--grey-da);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.prj-card[hidden]{display:none}
.prj-media{display:block;position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--grey-e9)}
.prj-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.prj-card:hover .prj-media img{transform:scale(1.05)}
.prj-media--plate{background:var(--grey-ecebe8)}
.prj-media--plate .stripes{position:absolute;inset:0;height:auto;padding:22% 18% 0;background:transparent}
.prj-media--plate .stripe{flex-basis:9%}
.prj-media--plate .stripe--concrete,.prj-media--plate .stripe--asphalt{flex:1 0 18%}
.prj-card-body{display:flex;flex-direction:column;gap:9px;padding:18px 20px 20px;flex:1}
.prj-card-group{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--red);font-weight:500}
.prj-card-title{font-size:1.1rem;line-height:1.3;letter-spacing:-.03em;font-weight:500}
.prj-card-place{font-size:.78rem;line-height:1.4;color:var(--ink);overflow-wrap:anywhere}
.prj-card-coating{font-size:.82rem;color:var(--muted);line-height:1.4}
.prj-card:hover .sys-card-more .arrow{transform:translateX(4px)}
.prj-hero-media .prj-media{position:absolute;inset:0;aspect-ratio:auto;height:100%}
.prj-hero-media .prj-media--plate{background:var(--grey-23)}
.prj-hero-media .prj-media--plate .stripes{padding:26% 14% 0}
.prj-title{max-width:16ch}
.prj-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.prj-story-step{background:white;border:1px solid var(--grey-dd);padding:26px 24px}
.prj-story-step h3{font-size:1.25rem;margin:16px 0 10px}
.prj-story-step p{font-size:.94rem;line-height:1.6;color:var(--muted)}
.prj-gallery{background:var(--grey-e8e8e6)}
.prj-shots{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.prj-shots--1{grid-template-columns:minmax(0,1fr)}
.prj-shots--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.prj-shots--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.prj-shots--6{grid-template-columns:repeat(3,minmax(0,1fr))}
.prj-shots--5 .prj-shot:first-child{grid-column:span 2;grid-row:span 2}
.prj-shot{position:relative;display:block;overflow:hidden;background:var(--grey-d9);aspect-ratio:4/3}
.prj-shot img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.prj-shot:hover img{transform:scale(1.04)}
.prj-shot-zoom{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--grey-11-a70);color:white;opacity:0;transition:opacity .3s}
.prj-viewer{width:min(1200px,calc(100vw - 30px));padding:0;background:var(--grey-11);color:white;overflow:hidden}
.prj-viewer figure{margin:0}
.prj-viewer img{width:100%;max-height:82dvh;object-fit:contain}
.prj-viewer figcaption{padding:10px 16px 12px;font-size:.8rem;color:var(--grey-bd);text-align:center;font-variant-numeric:tabular-nums}
.prj-viewer button{position:absolute;display:grid;place-items:center;min-width:46px;min-height:46px;border-radius:50%;background:var(--grey-11-a65);color:white;font-size:1.3rem}
.prj-viewer-close{top:10px;right:10px;font-size:1.9rem!important;line-height:1}
.prj-viewer-prev{left:10px;top:calc(50% - 20px);transform:translateY(-50%)}
.prj-viewer-next{right:10px;top:calc(50% - 20px);transform:translateY(-50%)}
.prj-order{margin-top:26px}
.prj-order-title{grid-column:1/-1;font-size:1.35rem;letter-spacing:-.03em}
.prj-order-text{margin-top:-4px}
.prj-order-button{grid-column:1/-1;justify-self:start;margin-top:6px}
.prj-album{margin-top:26px;padding:24px;background:white;border:1px solid var(--grey-dd);display:grid;gap:12px}
.prj-album .eyebrow{color:var(--muted)}
.prj-album h3{font-size:1.35rem;letter-spacing:-.03em}
.prj-album>p:not(.eyebrow){font-size:.9rem;color:var(--muted);line-height:1.55}
.prj-album .sys-card{margin-top:6px}
.prj-album .sys-card .stripes{height:60px}
.prj-album .sys-card-media{aspect-ratio:2/1}
.prj-spheres{display:flex;flex-wrap:wrap;gap:6px 22px;border-top:1px solid var(--grey-ee);padding-top:12px}
.prj-rail .prj-card{scroll-snap-align:start}
@media(max-width:1150px){
.prj-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.prj-shots{grid-template-columns:repeat(3,minmax(0,1fr))}
.prj-shots--2,.prj-shots--5{grid-template-columns:repeat(2,minmax(0,1fr))}
.prj-shots--5 .prj-shot:first-child{grid-row:auto}
.prj-shots--1{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:760px){
.prj-story-grid{grid-template-columns:1fr}
.prj-shots,.prj-shots--3{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.prj-shots--5 .prj-shot:first-child{grid-row:auto}
.prj-album{padding:20px}
}
@media(max-width:600px){
.prj-keyfacts div:first-child{grid-column:1/-1}
.prj-grid{grid-template-columns:1fr}
.prj-shot-zoom{opacity:1;width:32px;height:32px}
}
/* Objects: photo captions (where, year, m², product) and selection by country and product */
.prj-caption{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:4px;padding:56px 20px 16px;background:linear-gradient(to top,var(--grey-11-a82),var(--grey-11-a50) 55%,transparent);color:var(--grey-e6);font-size:.8rem;line-height:1.45}
.prj-caption-eyebrow{font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--grey-bd)}
.prj-caption-title{align-self:flex-start;font-size:.98rem;font-weight:500;letter-spacing:-.02em;color:white;border-bottom:1px solid var(--grey-8a);transition:border-color .2s}
.prj-caption-title:hover{border-color:white}
.prj-caption-facts{font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
@media(max-width:600px){
/* On a phone the photo is short: the caption goes under it instead of over it. */
.prj-hero-media:has(.prj-caption){aspect-ratio:auto;min-height:0;height:auto;background:none;overflow:visible}
.prj-hero-media:has(.prj-caption) .prj-media{position:relative;inset:auto;height:auto;aspect-ratio:16/10}
.prj-caption{position:static;padding:12px 0 0;background:none;color:var(--grey-bd);font-size:.78rem}
.prj-caption-title{font-size:.94rem}
}
@media(max-width:480px){
/* The hub's figures: the total area is the widest number, so columns follow the numbers on a phone. */
.prj-hero .sys-stats{grid-template-columns:repeat(3,auto);justify-content:space-between}
}
@supports (grid-template-rows:subgrid){
.prj-card>.prj-card-body>*+*{margin-top:9px}
.prj-card>.prj-card-body>.prj-card-place+.sys-facts{margin-top:4px}
}

/* ===== Guides and application areas ===== */
/* Guide */
.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;margin:0;padding:0}
.guide-grid li{background:white;border:1px solid var(--grey-dd);padding:24px}
.guide-grid h3{font-size:1.2rem;margin:16px 0 10px}
.guide-grid p{font-size:.9rem;line-height:1.55;color:var(--muted)}
@media(max-width:1150px){
.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
.guide-grid{grid-template-columns:1fr}
}
.guide-rows{margin:0}
.guide-rows div{display:grid;grid-template-columns:minmax(92px,.55fr) minmax(0,1fr);gap:16px;padding:11px 0;border-top:1px solid var(--grey-e6)}
.guide-rows dt{font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap}
.guide-rows dd{margin:0;font-size:.92rem;color:var(--muted)}
@media(max-width:600px){
.guide-rows div{grid-template-columns:minmax(0,1fr);gap:4px}
}
.ind-ref-link{display:inline;text-decoration:underline;text-decoration-color:var(--grey-bb);text-underline-offset:4px;transition:color .25s,text-decoration-color .25s}
.ind-ref-link:hover{color:var(--red);text-decoration-color:currentColor}
.ind-ref-link .arrow{vertical-align:-3px}
@supports (grid-template-rows:subgrid){
.guide-card>.guide-card-body>*+*{margin-top:10px}
.ind-card>.ind-card-body>*+*{margin-top:12px}
.ind-card>.ind-card-body>.sys-tags{margin-top:14px}
.ind-ref>*{align-self:start}
.ind-refs>.ind-ref>.ind-ref-meta{margin-top:0}
.ind-mini-grid>li{display:grid;grid-row:span 2;grid-template-rows:subgrid;row-gap:0}
.ind-mini-grid>li>.ind-mini{grid-row:1/-1;grid-template-rows:subgrid;height:auto}
.ind-mini-grid .ind-mini-name{align-self:start}
}

/* ===== Coating visualizer ===== */
.epdm-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.epdm-crumb{margin:0;overflow:hidden}
.epdm-crumb img{width:100%;height:auto;display:block;transition:transform 1.6s var(--ease)}
.epdm-crumb:hover img{transform:scale(1.04)}
@supports (grid-template-rows:subgrid){
.viz-steps>li{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0;align-content:start}
.viz-steps>li>*{align-self:start}
}
/* Визуализатор покрытий: кнопка у выбора языка, карточка в мобильном меню, плавающая кнопка «Просмотр покрытия в 3D», блоки в разделах, раздел /{язык}/visualizer/ */
.viz-cube{flex:0 0 auto;color:var(--red)}
.viz-nav{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 15px 0 12px;border:1px solid var(--grey-4a);border-radius:100px;font-size:.84rem;color:white;white-space:nowrap;transition:border-color .25s,background-color .25s,color .25s}
.viz-nav:hover{border-color:white}
.viz-nav[aria-current]{background:white;border-color:white;color:var(--ink)}
@media(max-width:1380px){
.viz-nav{width:40px;padding:0;justify-content:center}
.viz-nav span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
}
@media(min-width:761px) and (max-width:900px){
.viz-nav{width:24px;min-height:28px;border:0}
}
@media(max-width:760px){
.viz-nav{display:none}
}
.viz-fab{position:fixed;left:18px;bottom:18px;z-index:15;display:flex;align-items:center;height:48px;max-width:calc(100vw - 110px);border-radius:100px;background:var(--ink);color:white;box-shadow:0 10px 30px -10px var(--black-a50);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .35s,transform .45s var(--ease)}
.viz-fab-link{display:inline-flex;align-items:center;gap:10px;height:100%;min-width:0;padding:0 4px 0 18px;font-size:.86rem;font-weight:500}
.viz-fab-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viz-fab-close{flex:0 0 40px;width:40px;height:40px;margin-right:4px;border-radius:50%;background:transparent;color:var(--grey-a5);display:grid;place-items:center;transition:background-color .25s,color .25s}
.viz-fab-close:hover{color:white;background:var(--grey-2c)}
@media(max-width:760px){
.viz-fab{left:16px;bottom:16px;max-width:calc(100vw - 92px)}
}
@media(prefers-reduced-motion:reduce){
.viz-fab{transition:none;transform:none}
}
.viz-band{background:var(--ink);color:white}
.viz-band-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:stretch}
.viz-band-media{position:relative;display:block;overflow:hidden;min-height:360px;background:var(--ink-2)}
.viz-band-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.viz-band-media:hover img{transform:scale(1.03)}
.viz-band-badge{position:absolute;left:20px;top:20px;padding:6px 12px;border-radius:100px;background:var(--ink-a78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:.75rem;font-weight:500;letter-spacing:.06em}
.viz-band-copy{padding:64px var(--pad) 64px clamp(28px,4vw,64px);display:flex;flex-direction:column;justify-content:center;gap:18px;min-width:0}
.viz-band-copy h2{font-size:clamp(1.9rem,3vw,3rem);line-height:1.08}
.viz-band-copy>p:not(.eyebrow){color:var(--grey-c9);max-width:470px}
.viz-band-copy .hero-actions{margin:8px 0 0}
.viz-band-rooms{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.viz-band-rooms .chip{border-color:var(--grey-4a);color:white}
.viz-band-rooms .chip:hover{border-color:white}
@media(max-width:900px){
.viz-band-grid{grid-template-columns:minmax(0,1fr)}
.viz-band-media{min-height:0;aspect-ratio:16/10}
.viz-band-copy{padding:36px var(--pad) 44px}
}
.viz-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.viz-steps li{border-top:1px solid var(--line);padding-top:20px}
.viz-steps h3{font-size:1.3rem;margin:14px 0 10px}
.viz-steps p{color:var(--muted);font-size:.94rem}
.viz-how-links{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:38px}
@media(max-width:760px){
.viz-steps{grid-template-columns:minmax(0,1fr);gap:22px}
}
@media(max-width:900px){
.viz-page~.fab-top,.viz-page~.basket-bar{bottom:96px}
}

/* ===== Enquiry form, request basket and expert ===== */
dialog{border:0;width:min(650px,calc(100vw - 30px));max-height:90dvh;padding:40px;background:var(--paper);color:var(--ink)}
dialog::backdrop{background:var(--black-a60);backdrop-filter:blur(4px)}
.close-dialog{position:absolute;right:18px;top:12px;font-size:2rem;background:none;min-width:44px;min-height:44px;font-weight:400;transition:transform .45s var(--ease),color .25s}
dialog h2{font-size:2.5rem}
dialog .dialog-description{font-size:.87rem;color:var(--muted);margin:20px 0}
form label{display:block;font-size:.82rem;margin-bottom:17px}
form label>span{color:var(--muted);font-size:.75rem}
textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.77rem;color:var(--muted);margin-top:14px}
.documents-note{margin:8px 0 20px}
.form-note a{text-decoration:underline}
#draft-status{font-size:.82rem;line-height:1.5;margin-top:20px;padding:12px;border-left:3px solid var(--action)}
#draft-fallback{margin-top:16px}
@media(max-width:760px){
dialog{padding:30px 22px}
dialog h2{font-size:2rem}
.form-row{grid-template-columns:1fr;gap:0}
}
/* Enquiry review and resilience. */
#draft-preview{border-top:1px solid var(--line);margin-top:26px;padding-top:24px}
#draft-heading{font-size:1.4rem;line-height:1.3;letter-spacing:-.035em}
#draft-heading:focus{outline:none}
#draft-preview label{display:block;font-size:.875rem;margin-top:20px}
#draft-text{font-size:.875rem;line-height:1.55;min-height:220px}
.draft-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
@media(max-width:600px){
.draft-actions>.button{flex:1 1 auto}
}
/* Server delivery states. */
.form-trap{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#send-status{margin-top:18px;border-left:3px solid var(--action);padding:12px;font-size:.875rem;overflow-wrap:anywhere}
#send-status:focus{outline:2px solid var(--action);outline-offset:3px}
form .checkbox-label{display:flex;align-items:flex-start;gap:10px;margin:8px 0}
form .checkbox-label>input{width:20px;height:20px;min-height:20px;margin:0;flex:0 0 20px;accent-color:var(--action)}
form .checkbox-label>span{font-size:.875rem;line-height:1.45;color:var(--ink)}
@media(prefers-reduced-motion:no-preference){
/* Enquiry dialog. */
dialog[open]{animation:dialog-in .55s var(--ease) both}
dialog[open]::backdrop{animation:fade-in .4s ease both}
}
@keyframes dialog-in{from{opacity:0;transform:translateY(28px) scale(.98)}}
input,textarea{transition:border-color .25s,box-shadow .25s}
input:hover,textarea:hover{border-color:var(--grey-8a)}
input:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px var(--red-a18)}
.calc input{width:100%;min-height:46px;padding:0 14px;border:1px solid var(--grey-bb);border-radius:4px;background:var(--grey-fa);font-size:1.05rem;font-variant-numeric:tabular-nums}
/* Request basket (several products in one enquiry) and «Your expert» */
.basket-toggle{flex:0 0 40px;width:40px;height:40px;border-radius:50%;border:1px solid var(--grey-9a);background:transparent;display:grid;place-items:center;transition:background .2s,color .2s,border-color .2s}
.basket-toggle:hover{background:var(--ink);color:white;border-color:var(--ink)}
.basket-toggle[aria-pressed="true"]{background:var(--action);border-color:var(--action);color:white}
.basket-toggle .basket-check,.basket-toggle[aria-pressed="true"] .basket-plus{display:none}
.basket-toggle[aria-pressed="true"] .basket-check{display:inline}
.basket-button .basket-on,.basket-button[aria-pressed="true"] .basket-off{display:none}
.basket-button[aria-pressed="true"] .basket-on{display:inline}
.basket-button[aria-pressed="true"]{border-color:var(--action);color:var(--action)}
.basket-button[aria-pressed="true"]:hover{color:white}
.basket-bar{position:fixed;right:78px;bottom:18px;z-index:15}
.basket-bar .button{min-height:48px;gap:10px;box-shadow:0 10px 30px -10px var(--black-a50)}
.enquiry-context{border-left:3px solid var(--action);padding:10px 14px;margin:0 0 18px;background:white}
.enquiry-context p{font-size:.88rem;line-height:1.5}
.basket-list{margin:0 0 20px;border:1px solid var(--grey-d6);background:white;padding:16px 18px}
.basket-list-head{display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.basket-list h3{font-size:1rem;letter-spacing:-.02em}
.basket-clear{background:none;padding:6px 0;font-size:.8rem;color:var(--action);border-bottom:1px solid var(--action);min-height:32px}
.basket-list ul{list-style:none;margin:10px 0 0;padding:0}
.basket-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--grey-e3);padding:4px 0;font-size:.9rem}
.basket-remove{background:none;min-width:40px;min-height:40px;font-size:1.4rem;line-height:1;color:var(--muted)}
.basket-remove:hover{color:var(--action)}
.basket-list .form-note{margin-top:10px}
.expert-card{display:grid;grid-template-columns:150px minmax(0,1.3fr) minmax(0,1fr);gap:clamp(24px,4vw,60px);align-items:center}
.expert-photo{margin:0;width:150px;height:150px;border-radius:50%;overflow:hidden;background:var(--ink);display:grid;place-items:center}
.expert-photo img{width:100%;height:100%;object-fit:cover}
.expert-initials{color:white;font-size:2.6rem;font-weight:500;letter-spacing:-.04em}
.expert-copy .eyebrow{color:var(--muted);margin-bottom:14px}
.expert-copy h2{font-size:clamp(1.8rem,2.8vw,2.8rem)}
.expert-role{margin-top:8px;color:var(--muted);font-size:.9rem}
.expert-text{margin-top:16px;max-width:460px}
.expert-langs-label{font-size:.75rem;letter-spacing:.105em;font-weight:500;text-transform:uppercase;color:var(--muted)}
.expert-langs{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 22px;padding:0}
.expert-langs li{padding:7px 13px;border:1px solid var(--grey-bd);border-radius:30px;background:white;font-size:.85rem}
.expert-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px}
.expert-actions .text-link{gap:10px;overflow-wrap:anywhere}
@media(max-width:1000px){
.expert-card{grid-template-columns:120px minmax(0,1fr)}
.expert-photo{width:120px;height:120px}
.expert-side{grid-column:1/-1}
}
@media(max-width:560px){
.expert-card{grid-template-columns:1fr;gap:20px}
.expert-photo{width:96px;height:96px}
.expert-initials{font-size:2rem}
.basket-bar{right:76px;left:16px}
.basket-bar .button{width:100%;padding:0 16px}
}
form label>.field-label{display:block;color:inherit;font-size:inherit}
form label>.field-label>span{color:var(--muted);font-size:.75rem}

/* ===== Footer ===== */
footer{background:var(--ink);color:var(--grey-aa);border-top:1px solid var(--grey-3a);display:flex;gap:25px;align-items:center;justify-content:space-between;padding:28px var(--pad);font-size:.75rem}
@media(max-width:760px){
footer{flex-wrap:wrap;gap:20px;font-size:.7rem}
footer>span:first-of-type{width:auto;text-align:left;font-size:inherit}
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--grey-3a)}
.footer-brand p{margin-top:16px;font-size:.8rem;color:var(--grey-9a);max-width:260px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0}
.footer-heading{font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--grey-77);margin-bottom:6px}
.footer-col a{font-size:.85rem;color:var(--grey-c9);transition:color .25s,transform .35s var(--ease);overflow-wrap:anywhere}
.footer-col a:hover{color:white;transform:translateX(4px)}
.footer-col a[href="#applications"],.footer-col a[href="#process"]{text-transform:lowercase;display:inline-block}
.footer-col a[href="#applications"]::first-letter,.footer-col a[href="#process"]::first-letter{text-transform:uppercase}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:24px}
@media(max-width:900px){
.footer-top{grid-template-columns:1fr 1fr}
.footer-brand{grid-column:1/-1}
}
@media(max-width:480px){
.footer-top{grid-template-columns:1fr}
}
.footer-col a.lc{text-transform:lowercase}
.footer-col a.lc::first-letter{text-transform:uppercase}

/* ===== Page not found ===== */
/* «page not found» (/404.html, /{lang}/404.html). */
.notfound{padding:clamp(56px,10vw,120px) var(--pad) clamp(64px,10vw,110px);min-height:min(70vh,720px);display:flex;flex-direction:column;justify-content:center}
.notfound>.eyebrow{color:var(--muted);margin-bottom:22px}
.notfound h1{font-size:clamp(2.6rem,7vw,5.6rem);line-height:1;letter-spacing:-.06em;max-width:14ch}
.notfound-lead{margin-top:24px;max-width:540px;color:var(--muted)}
.notfound .hero-actions{margin:30px 0 0}
.notfound-langs{margin-top:56px;border-top:1px solid var(--line);padding-top:24px;max-width:860px}
.notfound-langs>.eyebrow{color:var(--muted);margin-bottom:14px}
.notfound-langs ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:0 28px}
.notfound-langs a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.notfound-langs a:hover .notfound-lang-name{color:var(--action)}
.notfound-lang-name{font-weight:500}
.notfound-langs a>span:last-child{color:var(--muted);text-align:right}

/* ===== Rules shared by several components (aligned rows, hidden items, page edges) and the component rules the cascade keeps after them ===== */
button,input,textarea{font:inherit}
input,textarea{display:block;width:100%;border:1px solid var(--grey-b5);background:white;padding:11px 12px;border-radius:0;min-height:44px;margin-top:8px;color:var(--ink);font-size:1rem}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--red);outline-offset:5px}
@media(min-width:1600px){
.hero,.section,.header,footer{padding-left:max(var(--pad),calc((100vw - 1500px)/2));padding-right:max(var(--pad),calc((100vw - 1500px)/2))}
}
@media(max-width:760px){
.section{padding-top:52px;padding-bottom:52px}
.header{height:auto;min-height:72px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.hero{grid-template-columns:1fr;padding-top:32px;gap:26px}
}
.cat-others{padding-top:0}
/* Footer. */
footer{display:block;padding-top:56px;padding-bottom:28px}
.product-card,.contact address,.project-copy{overflow-wrap:anywhere}
h1,h2,h3,h4,.company-fact,.range-index a{overflow-wrap:anywhere}
h1,h2,h3,h4{text-wrap:balance}
.hero-actions,.product-actions{flex-wrap:wrap}
.prj-home-actions{margin:28px 0 0;flex-wrap:wrap}
@media(max-width:760px){
.range-index,.company-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* Seven catalogue families (Teping Decor and Teping Cem added). Hero index in one row of seven
   on wide screens and 4 + 3 below 1150 px; category cards 3 + 2 + 2; other categories 3 + 3; mega menu 4 + 4 with corrosion protection. */
.range-index{grid-template-columns:repeat(7,minmax(0,1fr))}
@media(max-width:1150px){
.range-index{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:760px){
.range-index{grid-template-columns:1fr 1fr}
}
.desktop-nav a{overflow-wrap:anywhere}
@media(min-width:761px) and (max-width:1000px){
.desktop-nav a,.desktop-nav summary{white-space:nowrap;overflow-wrap:normal;font-size:.8rem}
}
@media(min-width:761px){
/* Header labels and the «Обсудить проект» button never break mid-word; where the button comes back
   (1151–1280 px) the items sit closer. */
.desktop-nav>a,.desktop-nav>.mega>summary,.header-cta{white-space:nowrap;overflow-wrap:normal}
}
.company-fact>strong,.step-num,.range-index a span,.project dd{font-variant-numeric:tabular-nums}
.step-num{position:absolute;top:0;left:0;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--grey-e9);border:1px solid var(--grey-9d);font-size:.82rem;transition:background-color .35s,border-color .35s,color .35s,transform .5s var(--ease)}
.company-fact>strong{display:block;font-size:clamp(2.2rem,3.4vw,3.5rem)}
@media(max-width:760px){
.company-fact>strong,.company-fact:not(:first-child)>strong{font-size:2.3rem}
}
@media(max-width:420px){
.company-fact>strong,.company-fact:not(:first-child)>strong{font-size:1.85rem;white-space:normal}
}
@supports (grid-template-rows:subgrid){
.step>*{align-self:start}
}
@media(prefers-reduced-motion:no-preference){
/* Scroll reveals (classes added by motion.js only). */
.reveal-ready [data-reveal],.reveal-ready [data-reveal-group]>*:not(.steps-line),.reveal-ready .product-card,.reveal-ready .app-tile{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform 1.1s var(--ease);transition-delay:calc(var(--i,0)*80ms)}
}
.chip:disabled{opacity:.38;cursor:default}
.fab-top.is-visible{opacity:1;transform:none;pointer-events:auto}
.mega-foot .arrow{transition:transform .4s var(--ease)}
@media(prefers-reduced-motion:no-preference){
.reveal-ready .project-figure{transform:none;opacity:1}
}
.app-tile>.arrow{position:absolute;right:24px;top:24px;transform:rotate(-45deg);transition:transform .5s var(--ease),color .3s}
.app-more .arrow{transition:transform .45s var(--ease)}
@media(prefers-reduced-motion:no-preference){
.reveal-ready .steps-line{transform:scaleX(0);transition:transform 1.6s var(--ease-io) .1s}
}
.reveal-ready .app-tile.is-settled{transition:color .45s var(--ease),border-color .45s,transform .6s var(--ease),opacity .9s var(--ease);transition-delay:0s}
.other-card .arrow{margin-top:auto;padding-top:18px;box-sizing:content-box;transition:transform .5s var(--ease)}
.other-card:hover{background:var(--ink);color:white;border-color:var(--ink);transform:translateY(-4px)}
.other-card>span:not(.other-media),.other-card>.arrow{margin-left:22px;margin-right:22px}
.other-card>.arrow{margin-bottom:22px}
@media(max-width:600px){
.other-card>span:not(.other-media),.other-card>.arrow{margin:0}
.other-card>.arrow{grid-column:3;grid-row:1/4;align-self:center;padding:0 16px 0 0}
}
@supports (grid-template-rows:subgrid){@media(min-width:601px){
.other-grid>.other-card>*{align-self:start}
}}
.product-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px var(--ink-a35);border-color:var(--grey-c8)}
.reveal-ready .product-card.is-settled{transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .3s,opacity .9s var(--ease);transition-delay:0s}
.cat-card:hover{transform:translateY(-6px);box-shadow:0 34px 70px -34px var(--ink-a40);border-color:var(--grey-c8)}
.cat-more .arrow{transition:transform .5s var(--ease)}
.line-tile:hover{background:var(--ink);color:white;border-color:var(--ink);transform:translateY(-4px)}
.line-tile .arrow-down{transition:transform .4s var(--ease)}
.line-refs .ref-type{color:var(--muted);font-size:.78rem;transition:color .35s}
.line-tile.is-empty{opacity:.42}
.look-swatch:hover{border-color:var(--grey-a9);transform:scale(1.08)}
.look-swatch[aria-pressed="true"]{border:2px solid white;padding:2px}
.is-built [data-layer="1"]{transition-delay:.1s}
.is-built [data-layer="2"]{transition-delay:.22s}
.is-built [data-layer="3"]{transition-delay:.34s}
.is-built [data-layer="4"]{transition-delay:.46s}
.is-built [data-layer="5"]{transition-delay:.58s}
.is-built [data-layer="6"]{transition-delay:.7s}
.is-built [data-layer="7"]{transition-delay:.82s}
.is-built [data-layer="8"]{transition-delay:.94s}
.product-actions .arrow{width:16px;height:16px;transition:transform .4s var(--ease)}
.sys-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px var(--black-a35);border-color:var(--grey-bb)}
.sys-card-more .arrow{transition:transform .4s var(--ease)}
.sys-product:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px var(--black-a35)}
.sys-teaser-tile:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px var(--black-a35)}
.prj-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px var(--black-a35);border-color:var(--grey-bb)}
.prj-card .sys-card-more .arrow{transition:transform .4s var(--ease)}
.viz-fab.is-visible{opacity:1;transform:none;pointer-events:auto}
.close-dialog:hover{transform:rotate(90deg);color:var(--action)}
@media(prefers-reduced-motion:no-preference){
.reveal-ready [data-reveal].is-in,.reveal-ready [data-reveal-group].is-in>*,.reveal-ready .product-card.is-in,.reveal-ready .app-tile.is-in{opacity:1;transform:none}
}
.app-tile:hover .app-icon{transform:scale(1.12) rotate(-6deg)}
.app-tile:hover>.arrow{transform:none;color:var(--red)}
.step:hover .step-num{background:var(--action);border-color:var(--action);color:white;transform:scale(1.1)}
.other-card:hover .arrow{transform:translateX(6px)}
.hero-image.is-previewing .image-stamp{opacity:0;transform:translateY(10px)}
.line-tile:hover .arrow-down{transform:translateY(3px)}
.ral-swatch:hover .ral-chip{transform:translateY(-3px)}
.layer-diagram .ld-layer.is-active{transform:translateY(-8px)}
.layer-diagram .ld-marker.is-active{transform:translateY(-8px)}
.will-build .ld-layer:not([data-layer="0"]),.will-build .ld-marker{opacity:0;transform:translateY(-46px)}
.will-build.is-built .ld-layer:not([data-layer="0"]),.will-build.is-built .ld-marker{opacity:1;transform:none}
.thickness-scale:hover .scale-bar{opacity:.35}
.sys-rail .sys-card:hover{transform:none}
@media(prefers-reduced-motion:reduce){
.will-build .ld-layer,.will-build .ld-marker{opacity:1;transform:none}
}
.prj-shot:hover .prj-shot-zoom,.prj-shot:focus-visible .prj-shot-zoom{opacity:1}
.prj-rail .prj-card:hover{transform:none}
/* Once revealed, hover transitions must not inherit the stagger delay. */
.product-card.is-settled,.app-tile.is-settled{transition-delay:0s!important}
@media(prefers-reduced-motion:reduce){
.hero-image-frame>img,.buckets,.contact-watermark{transform:none!important}
}
@media(max-width:900px){
.cat-hero-grid,.epdm-grid,.cat-uses-grid{grid-template-columns:1fr;gap:34px}
}
@media(prefers-reduced-motion:no-preference){
/* Photos fade in once decoded instead of popping in (only with JS and motion). */
.reveal-ready .product-media--cover img,.reveal-ready .cat-media img,.reveal-ready .other-media img{opacity:0;transition:opacity .8s var(--ease),transform 1.2s var(--ease),filter .8s var(--ease)}
.reveal-ready .product-media--cover img.is-loaded,.reveal-ready .cat-media img.is-loaded,.reveal-ready .other-media img.is-loaded{opacity:1}
}
@media(max-width:900px){
.buildup-grid,.details-grid,.sys-teaser-grid{grid-template-columns:1fr}
}
/* Neighbouring sections on the same background share one gap, as.cat-others already does. */
.cat-systems+.cat-uses,.sys-finder+.sys-scale,.sys-scale+.sys-guide,.sys-buildup+.sys-details,.sys-details+.sys-products,.sys-products+.sys-related{padding-top:0}
@media(max-width:380px){
h2,.contact h2,.cat-cta h2{font-size:1.65rem}
}
.sys-teaser-copy>.eyebrow,.cat-epdm .eyebrow,.cat-uses .eyebrow{margin-bottom:24px}
@media(max-width:760px){
.sys-teaser-copy>.eyebrow,.cat-epdm .eyebrow,.cat-uses .eyebrow{margin-bottom:22px}
}
.catalogue-card[hidden],.line-block[hidden],.line-refs[hidden],.line-refs li[hidden],.line-nav a[hidden]{display:none}
.details-grid--single,.prod-specs-grid--single{grid-template-columns:minmax(0,1fr)}
.prod-specs-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px;align-items:start}
@media(max-width:1150px){
.prod-specs-grid,.prod-apply-grid{grid-template-columns:minmax(0,1fr)}
}
.prj-story+.prj-buildup,.prj-buildup+.prj-products,.prj-buildup+.prj-related,.prj-products+.prj-related,.sys-products+.prj-band,.sys-details+.prj-band,.prj-band+.sys-related{padding-top:0}
@supports (grid-template-rows:subgrid){
/* One line per row. Fields and card parts in one row line up whatever the line count of a label or heading.
   Field rows: every caption is one element (.field-label) and each label is a subgrid of three rows (caption, field, hint),
   so captions start together and fields sit on one line. Cards: each card is a subgrid of the grid's rows,
   so the same part (eyebrow, title, text, facts, tags, footer) of neighbouring cards starts on one line. */
/* Fields */
:is(.form-row,.dew-fields,.prod-calc,.field-row)>label:not(.checkbox-label){display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0;align-content:start}
:is(.form-row,.dew-fields,.prod-calc,.field-row)>label:not(.checkbox-label)>:is(input,select,textarea){grid-row:2;align-self:start}
:is(.form-row,.dew-fields,.prod-calc,.field-row)>label:not(.checkbox-label)>.field-label{grid-row:1;align-self:start}
:is(.form-row,.dew-fields,.prod-calc,.field-row)>label:not(.checkbox-label)>:not(.field-label,input,select,textarea){grid-row:3}
/* Cards: media on top, a body of parts below; one column as wide as the card, so a long line wraps instead of pushing the photo out */
:is(.product-grid>.product-card,.sys-grid>.sys-card,.sys-rail>.sys-card,.prj-grid>.prj-card,.sys-rail>.prj-card,.guide-rail>.guide-card,.guide-grid>.guide-card,.ind-grid>.ind-card,.ind-rail>.ind-card,.cat-grid>.cat-card){display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:subgrid;row-gap:0}
/* Numbered tips: number, title and text of neighbouring tips line up */
.guide-grid>li{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0;align-content:start}
.guide-grid>li>*{align-self:start}
}
.text-link.viz-open{align-items:center;gap:8px}
@supports (grid-template-rows:subgrid){
.mega-family>.mega-head{display:grid;grid-row:1/5;grid-template-rows:subgrid;row-gap:0}
.company-grid>.company-fact{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0;align-content:start}
.company-grid>.buckets{grid-row:span 3;align-self:stretch;height:0;min-height:100%;width:100%;object-fit:contain;object-position:center bottom}
.steps>.step{display:grid;grid-row:span 2;grid-template-rows:subgrid;row-gap:0;align-content:start}
}
@supports (grid-template-rows:subgrid){@media(min-width:601px){
/* Other categories, now six: title and tagline rows line up across a row of cards (subgrid, as the other cards). */
.other-grid>.other-card{display:grid;grid-row:span 5;grid-template-rows:subgrid;row-gap:0}
}}
.hero-actions:has(.viz-open){flex-wrap:wrap;row-gap:12px}
@supports (grid-template-rows:subgrid){
.product-grid>.product-card{grid-row:span 9}
.product-card-body>.product-type{grid-row:1}
.product-card-body>.product-oneliner{grid-row:3}
.product-card-body>.product-description{grid-row:4}
.product-card-body>.product-features{grid-row:5}
.product-card-body>.product-specs{grid-row:6}
.product-card-body>.used-in{grid-row:7}
.product-card-body>.product-actions{grid-row:8}
.cat-grid>.cat-card{grid-row:span 7}
/* Tiles and facts without media */
.line-grid>.line-tile{display:grid;grid-row:span 4;grid-template-rows:subgrid;row-gap:0;min-height:0}
}
.look-note[hidden]{display:none}
@supports (grid-template-rows:subgrid){
:is(.sys-grid,.sys-rail)>.sys-card{grid-row:span 7}
.sys-card-body>.sys-code{grid-row:1}
.sys-card-body>.sys-card-title{grid-row:2}
.sys-card-body>.sys-card-summary{grid-row:3}
.sys-card-body>.sys-facts{grid-row:4}
.sys-card-body>.sys-tags{grid-row:5}
.sys-card-body>.sys-card-more{grid-row:6}
.stack-item>.stack-media{grid-row:1/-1;align-self:center}
.stack-item>.stack-body{display:grid;grid-row:1/-1;grid-template-rows:subgrid;row-gap:0;align-content:start}
.stack-body>.stack-name{grid-row:1}
.stack-body>.stack-meta{grid-row:2}
.stack-body>.stack-this{grid-row:3}
.sys-teaser-tiles>.sys-teaser-tile{grid-row:span 3;grid-template-rows:subgrid;row-gap:4px}
}
.sys-look[hidden]{display:none}
@supports (grid-template-rows:subgrid){
:is(.guide-rail,.guide-grid)>.guide-card{grid-row:span 5}
:is(.ind-grid,.ind-rail)>.ind-card{grid-row:span 6}
.ind-refs>.ind-ref{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:10px}
}
@supports (grid-template-rows:subgrid){@media(min-width:601px){
.guide-product-grid>.guide-product{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0}
.guide-product-body>.arrow{grid-row:2;align-self:start}
}}
.viz-band-copy .eyebrow{display:flex;align-items:center;gap:10px;color:var(--grey-c9)}
@supports (grid-template-rows:subgrid){
:is(.product-card,.sys-card,.prj-card,.guide-card,.ind-card,.cat-card)>:is(.product-card-body,.sys-card-body,.prj-card-body,.guide-card-body,.ind-card-body,.cat-body){display:grid;grid-row:2/-1;grid-template-columns:minmax(0,1fr);grid-template-rows:subgrid;row-gap:0;align-content:start}
:is(.product-card,.sys-card,.prj-card,.guide-card,.ind-card,.cat-card)>:is(.product-card-body,.sys-card-body,.prj-card-body,.guide-card-body,.ind-card-body,.cat-body)>*{align-self:start}
:is(.prj-grid,.sys-rail)>.prj-card{grid-row:span 8}
}