:root{
  --catalog-bg:#04111d;
  --catalog-panel:#071a2b;
  --catalog-panel-2:#092139;
  --catalog-line:#234660;
  --catalog-text:#f4f7fa;
  --catalog-muted:#a9b7c3;
  --catalog-gold:#e0b45d;
  --catalog-gold-dark:#9b681f;
  --catalog-steel:#6e8ea5;
  --catalog-rail:#365a74;
  --catalog-max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--catalog-bg);
  color:var(--catalog-text);
  font-family:Inter,"Segoe UI",Arial,sans-serif;
  line-height:1.55;
}
body.catalog-gate-open,body.catalog-viewer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible{outline:2px solid #f0c66b;outline-offset:3px}
.catalog-shell{width:min(var(--catalog-max),calc(100% - 40px));margin:0 auto}

.catalog-header{
  position:fixed;
  z-index:100;
  top:0;
  left:0;
  right:0;
  border-bottom:1px solid rgba(76,112,139,.30);
  background:rgba(3,14,25,.91);
  backdrop-filter:blur(14px);
}
.catalog-header-inner{height:76px;display:flex;align-items:center;gap:24px}
.catalog-brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.catalog-brand img{width:42px;height:42px;object-fit:contain;filter:drop-shadow(0 7px 16px rgba(0,0,0,.35))}
.catalog-brand span{font-size:16px;font-weight:800;letter-spacing:.045em;white-space:nowrap}
.catalog-back{margin-left:auto;color:#c5d0d9;font-size:13px;font-weight:700;transition:color .2s ease}
.catalog-back:hover{color:var(--catalog-gold)}
.catalog-langs{display:flex;gap:5px}
.catalog-lang{
  min-width:38px;
  min-height:36px;
  padding:0 8px;
  border:1px solid #2b4a64;
  border-radius:7px;
  background:#071827;
  color:#b9c7d2;
  cursor:pointer;
}
.catalog-lang.active{border-color:#b98735;background:#17314a;color:#fff}

.catalog-hero{
  position:relative;
  min-height:700px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--catalog-line);
}
.catalog-hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.85) contrast(1.06) brightness(.78)}
.catalog-hero-shade{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(2,10,18,.98) 0%,rgba(2,10,18,.90) 35%,rgba(2,10,18,.35) 68%,rgba(2,10,18,.10) 100%),
    linear-gradient(180deg,rgba(2,10,18,.25),rgba(2,10,18,.08) 50%,#04111d 100%);
}
.catalog-hero-content{position:relative;z-index:2;padding:166px 0 118px}
.catalog-eyebrow{margin:0 0 14px;color:var(--catalog-gold);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.catalog-hero h1{max-width:720px;margin:0 0 20px;font-size:clamp(42px,6.5vw,74px);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}
.catalog-lead{max-width:670px;margin:0;color:#d4dde5;font-size:clamp(17px,2vw,22px);line-height:1.55}
.catalog-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.catalog-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.catalog-hero-tags span{display:inline-flex;align-items:center;min-height:34px;padding:0 13px;border:1px solid rgba(126,157,180,.38);border-radius:99px;background:rgba(5,20,34,.62);color:#cad8e2;font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;backdrop-filter:blur(8px)}
.catalog-hero-tags span:before{content:"";width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--catalog-gold);box-shadow:0 0 11px rgba(224,180,93,.65)}
.catalog-hero-rail{position:absolute;z-index:2;left:0;right:0;bottom:11px;height:46px;opacity:.52;background:repeating-linear-gradient(90deg,transparent 0 42px,rgba(224,180,93,.28) 42px 46px,transparent 46px 76px);border-top:2px solid rgba(111,146,171,.48);border-bottom:2px solid rgba(111,146,171,.26);transform:perspective(260px) rotateX(62deg);transform-origin:center bottom}
.catalog-btn{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 22px;
  border:1px solid #35536c;
  border-radius:6px;
  background:rgba(7,26,43,.78);
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:.045em;
  text-transform:uppercase;
  transition:transform .2s ease,filter .2s ease,border-color .2s ease;
}
.catalog-btn:hover{transform:translateY(-2px);border-color:#6e8ca3}
.catalog-btn-gold{border-color:#dbad54;background:linear-gradient(180deg,#e2b65f,#a36d20);color:#fff;box-shadow:0 12px 30px rgba(184,125,33,.18)}

.catalog-section{position:relative;overflow:hidden;padding:84px 0 92px;border-bottom:1px solid #17354f;background:radial-gradient(circle at 80% 4%,rgba(36,82,117,.18),transparent 28%),#051522}
.catalog-section:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;background:repeating-linear-gradient(116deg,transparent 0 38px,rgba(105,143,169,.20) 38px 40px,transparent 40px 86px)}
.catalog-section>.catalog-shell{position:relative;z-index:1}
.catalog-section-head{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:end;margin-bottom:34px}
.catalog-section-head-single{grid-template-columns:1fr}
.catalog-section h2,.catalog-documents h2,.catalog-request-section h2,.catalog-cta h2{margin:0;font-size:clamp(30px,4.6vw,50px);line-height:1.12;letter-spacing:-.025em;text-wrap:balance}
.catalog-section-head>p{margin:0;color:var(--catalog-muted);font-size:15px;line-height:1.7}
.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.catalog-product{
  position:relative;
  min-width:0;
  overflow:hidden;
  border:1px solid rgba(72,111,139,.46);
  border-radius:12px;
  background:linear-gradient(145deg,rgba(9,32,52,.98),rgba(5,20,34,.99));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.catalog-product:before{content:"";position:absolute;z-index:2;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--catalog-gold-dark),var(--catalog-gold),var(--catalog-steel));opacity:.78}
.catalog-product:hover{transform:translateY(-3px);border-color:rgba(224,180,93,.58);box-shadow:0 18px 36px rgba(0,0,0,.22)}
.catalog-product-media{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;background:#fff;border-bottom:1px solid rgba(72,111,139,.38)}
.catalog-product-media img{width:100%;height:100%;display:block;object-fit:contain;padding:13px}
.catalog-product-body{min-height:182px;display:flex;flex-direction:column;padding:20px}
.catalog-product-index{margin-bottom:18px;color:var(--catalog-gold);font-size:11px;font-weight:800;letter-spacing:.16em}
.catalog-product h3{margin:0;color:#fff;font-size:16px;line-height:1.35;overflow-wrap:anywhere}
.catalog-article{display:grid;gap:3px;margin:auto 0 0;padding-top:20px;color:var(--catalog-muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.catalog-article strong{color:#f4f7fa;font-size:14px;letter-spacing:.025em;line-height:1.35;text-transform:none;overflow-wrap:anywhere}
.catalog-item{
  position:relative;
  min-height:218px;
  padding:28px 25px;
  overflow:hidden;
  border:1px solid rgba(72,111,139,.42);
  border-radius:12px;
  background:
    radial-gradient(circle at 100% 0%,rgba(224,180,93,.08),transparent 32%),
    linear-gradient(145deg,rgba(9,32,52,.98),rgba(5,20,34,.99));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.catalog-item:hover{transform:translateY(-3px);border-color:rgba(224,180,93,.54);box-shadow:0 18px 36px rgba(0,0,0,.20)}
.catalog-item>span{display:block;margin-bottom:30px;color:var(--catalog-gold);font-size:11px;font-weight:800;letter-spacing:.16em}
.catalog-item h3{margin:0 0 11px;color:#fff;font-size:21px;line-height:1.2}
.catalog-item p{margin:0;color:var(--catalog-muted);font-size:14px;line-height:1.62}
.catalog-item-accent{border-color:rgba(224,180,93,.56);background:radial-gradient(circle at 88% 12%,rgba(224,180,93,.16),transparent 38%),linear-gradient(145deg,#10283c,#071827)}

.catalog-documents{position:relative;overflow:hidden;padding:84px 0 92px;border-bottom:1px solid #17354f;background:#04131f}
.catalog-documents:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,19,31,.98) 0%,rgba(4,19,31,.88) 55%,rgba(4,19,31,.52) 100%),url("images/showcase/locomotive-catalog-hero-v2.webp") center/cover no-repeat;opacity:.34}
.catalog-documents:after{content:"";position:absolute;left:0;right:0;bottom:0;height:70px;opacity:.18;background:repeating-linear-gradient(90deg,transparent 0 46px,rgba(224,180,93,.45) 46px 49px,transparent 49px 80px);border-top:1px solid var(--catalog-rail)}
.catalog-documents>.catalog-shell{position:relative;z-index:1}
.catalog-rudos-heading{display:flex;align-items:center;gap:18px}
.catalog-partner-logos{display:flex;align-items:stretch;gap:8px}
.catalog-partner-logo{height:72px;object-fit:contain;border:1px solid rgba(224,180,93,.40);border-radius:10px;box-shadow:0 12px 28px rgba(0,0,0,.22)}
.catalog-partner-logo-rudos{width:96px;padding:9px;background:#bf2427}
.catalog-partner-logo-dako{width:58px;padding:0;background:#fff}
.catalog-partner-badge{height:72px;min-width:102px;display:flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid rgba(224,180,93,.40);border-radius:10px;background:#fff;color:#008f95;font-size:17px;font-weight:900;letter-spacing:.04em;box-shadow:0 12px 28px rgba(0,0,0,.22)}
.catalog-rudos-heading .catalog-eyebrow{margin-bottom:8px}
.catalog-documents-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.catalog-document{min-width:0;overflow:hidden;padding:0;border:1px solid rgba(72,111,139,.48);border-radius:12px;background:linear-gradient(145deg,rgba(9,32,52,.98),rgba(5,20,34,.99));color:inherit;text-align:left;cursor:pointer;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.catalog-document:hover{transform:translateY(-4px);border-color:rgba(224,180,93,.65);box-shadow:0 20px 42px rgba(0,0,0,.26)}
.catalog-document-cover{aspect-ratio:4/5;overflow:hidden;background:#e8e8e8;border-bottom:1px solid rgba(72,111,139,.38)}
.catalog-document-cover img{width:100%;height:100%;display:block;object-fit:cover;object-position:center top;transition:transform .35s ease}
.catalog-document:hover .catalog-document-cover img{transform:scale(1.018)}
.catalog-document-wide .catalog-document-cover img{object-position:center top}
.catalog-document.catalog-document-wide .catalog-document-cover-dako img{object-fit:contain;object-position:center;background:#fff}
.catalog-document-cover-pantograph img{object-fit:contain;object-position:center;background:#e5e5e5}
.catalog-document-body{min-height:210px;display:flex;flex-direction:column;padding:22px}
.catalog-document-tag{color:var(--catalog-gold);font-size:11px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.catalog-document h3{margin:13px 0 8px;color:#fff;font-size:22px;line-height:1.2;overflow-wrap:anywhere}
.catalog-document p{margin:0;color:var(--catalog-muted);font-size:14px;line-height:1.55}
.catalog-document-action{margin-top:auto;padding-top:22px;color:#f0c66b;font-size:12px;font-weight:800;letter-spacing:.055em;text-transform:uppercase}

.catalog-viewer[hidden]{display:none}
.catalog-viewer{position:fixed;z-index:3000;inset:0;display:grid;place-items:center;padding:18px;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}
.catalog-viewer.is-open{opacity:1;visibility:visible}
.catalog-viewer-backdrop{position:absolute;inset:0;background:rgba(1,8,14,.88);backdrop-filter:blur(10px)}
.catalog-viewer-dialog{position:relative;width:min(1020px,100%);height:min(94vh,940px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;border:1px solid rgba(91,129,155,.54);border-radius:14px;background:#071827;box-shadow:0 28px 80px rgba(0,0,0,.55);transform:translateY(10px);transition:transform .2s ease}
.catalog-viewer.is-open .catalog-viewer-dialog{transform:translateY(0)}
.catalog-viewer-header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 18px;border-bottom:1px solid #24455e;background:linear-gradient(90deg,#081d31,#0b2842)}
.catalog-viewer-header span{display:block;color:var(--catalog-gold);font-size:9px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.catalog-viewer-header h2{margin:3px 0 0;font-size:20px;line-height:1.2}
.catalog-viewer-header-actions{display:flex;align-items:center;gap:8px}
.catalog-viewer-close,.catalog-viewer-rotate{width:44px;height:44px;flex:0 0 auto;border:1px solid #365a74;border-radius:50%;background:#071827;color:#fff;line-height:1;cursor:pointer}
.catalog-viewer-close{font-size:28px}.catalog-viewer-rotate{font-size:23px}
.catalog-viewer-close:hover,.catalog-viewer-rotate:hover{border-color:var(--catalog-gold);color:var(--catalog-gold)}
.catalog-viewer-stage{min-height:0;overflow:auto;display:grid;justify-items:center;align-items:start;padding:20px;background:radial-gradient(circle at 50% 0%,rgba(62,96,121,.22),transparent 34%),#030e18;overscroll-behavior:contain}
.catalog-viewer-stage img,.catalog-viewer-stage canvas{width:min(100%,860px);height:auto;display:block;background:#fff;box-shadow:0 14px 40px rgba(0,0,0,.42);user-select:none;-webkit-user-drag:none;transition:opacity .16s ease}
.catalog-viewer-stage canvas[hidden],.catalog-viewer-stage img[hidden]{display:none}
.catalog-viewer-stage img.is-loading{opacity:.24}
.catalog-viewer-toolbar{min-height:68px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:11px 18px;border-top:1px solid #24455e;background:#071a2b}
.catalog-viewer-toolbar button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 16px;border:1px solid #365a74;border-radius:8px;background:#0a243a;color:#fff;font-size:11px;font-weight:800;letter-spacing:.055em;text-transform:uppercase;cursor:pointer}
.catalog-viewer-toolbar button:first-child{justify-self:start}.catalog-viewer-toolbar button:last-child{justify-self:end}
.catalog-viewer-toolbar button:hover:not(:disabled){border-color:var(--catalog-gold);color:#f0c66b}
.catalog-viewer-toolbar button:disabled{opacity:.35;cursor:default}
.catalog-viewer-toolbar p{margin:0;color:#9fb1bf;font-size:12px;white-space:nowrap}.catalog-viewer-toolbar strong{color:#fff}
.catalog-viewer-page{display:flex;align-items:center;justify-content:center;gap:6px}
.catalog-viewer-page input{width:72px;height:34px;padding:0 7px;border:1px solid #365a74;border-radius:7px;background:#04131f;color:#fff;font-size:13px;font-weight:800;line-height:1;text-align:center;outline:0}
.catalog-viewer-page input:focus{border-color:var(--catalog-gold);box-shadow:0 0 0 2px rgba(224,180,93,.16)}

.catalog-request-section{position:relative;overflow:hidden;padding:82px 0;border-bottom:1px solid #17354f;background:#061827}
.catalog-request-section:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,24,39,.98) 0%,rgba(6,24,39,.91) 52%,rgba(6,24,39,.60) 100%),url("images/showcase/railway-photo.jpg") right center/cover no-repeat;opacity:.58}
.catalog-request-section:after{content:"LOCOMOTIVE";position:absolute;right:-18px;bottom:-42px;color:rgba(186,207,222,.045);font-size:clamp(90px,16vw,210px);font-weight:900;letter-spacing:-.06em;line-height:1;pointer-events:none}
.catalog-request-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.catalog-request-grid{position:relative;z-index:1}
.catalog-request-grid>div>p:last-child{max-width:500px;margin:20px 0 0;color:var(--catalog-muted)}
.catalog-checklist{counter-reset:catalog-check;display:grid;gap:10px;margin:0;padding:0;list-style:none}
.catalog-checklist li{
  counter-increment:catalog-check;
  position:relative;
  min-height:92px;
  display:grid;
  align-content:center;
  gap:5px;
  padding:18px 20px 18px 72px;
  border:1px solid rgba(72,111,139,.35);
  border-radius:10px;
  background:rgba(7,27,45,.72);
}
.catalog-checklist li:before{content:counter(catalog-check,decimal-leading-zero);position:absolute;left:20px;top:23px;color:var(--catalog-gold);font-size:13px;font-weight:800;letter-spacing:.08em}
.catalog-checklist b{font-size:16px}.catalog-checklist span{color:var(--catalog-muted);font-size:13px}

.catalog-cta{position:relative;overflow:hidden;padding:72px 0;background:radial-gradient(circle at 12% 50%,rgba(205,151,56,.12),transparent 32%),linear-gradient(120deg,#071a2b,#09253d)}
.catalog-cta:after{content:"";position:absolute;right:2%;top:50%;width:260px;height:150px;transform:translateY(-50%);background:url("icons/rail.svg") center/contain no-repeat;opacity:.10;pointer-events:none}
.catalog-cta-inner{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(560px,1.28fr);align-items:center;gap:54px}
.catalog-cta-inner{position:relative;z-index:1}
.catalog-cta h2{max-width:580px;font-size:clamp(28px,4vw,44px)}
.catalog-contact-panel{display:grid;gap:12px}
.catalog-contact-email{min-height:72px;display:grid;grid-template-columns:42px minmax(0,1fr) 20px;align-items:center;gap:13px;padding:13px 16px;border:1px solid rgba(224,180,93,.52);border-radius:11px;background:linear-gradient(120deg,rgba(155,104,31,.40),rgba(8,33,54,.90));transition:transform .2s ease,border-color .2s ease,background .2s ease}
.catalog-contact-email:hover{transform:translateY(-2px);border-color:#efc66f;background:linear-gradient(120deg,rgba(178,120,33,.48),rgba(10,40,65,.96))}
.catalog-contact-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;font-size:17px;font-weight:900}
.catalog-contact-icon-email{background:linear-gradient(180deg,#e3b75f,#9f691d);color:#fff;box-shadow:0 8px 18px rgba(176,119,31,.24)}
.catalog-contact-email small,.catalog-contact-channel small{display:block;color:#9fb1bf;font-size:10px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.catalog-contact-email b{display:block;margin-top:2px;color:#fff;font-size:15px;overflow-wrap:anywhere}
.catalog-contact-arrow{color:#cbd8e1;font-size:16px;transition:transform .2s ease,color .2s ease}
.catalog-contact-email:hover .catalog-contact-arrow,.catalog-contact-channel:hover .catalog-contact-arrow{color:#fff;transform:translate(2px,-2px)}
.catalog-country-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.catalog-contact-country{min-width:0;padding:14px;border:1px solid rgba(72,111,139,.42);border-radius:11px;background:rgba(5,22,37,.84);backdrop-filter:blur(8px)}
.catalog-contact-country-title{display:flex;align-items:center;gap:9px;margin:0 0 11px;color:#fff;font-size:14px}
.catalog-contact-country-title>span{font-size:22px;line-height:1}
.catalog-contact-country-title strong{letter-spacing:.035em}
.catalog-contact-channels{display:grid;gap:8px}
.catalog-contact-channel{min-height:64px;display:grid;grid-template-columns:38px minmax(0,1fr) 16px;align-items:center;gap:10px;padding:9px 11px;border:1px solid rgba(86,124,150,.36);border-radius:9px;background:rgba(7,27,45,.90);transition:transform .2s ease,border-color .2s ease,background .2s ease}
.catalog-contact-channel:hover{transform:translateY(-2px);background:rgba(10,38,62,.98)}
.catalog-contact-channel b{display:block;color:#fff;font-size:13px;letter-spacing:.025em}
.catalog-contact-channel small{margin-top:2px;font-size:9px;letter-spacing:.04em;text-transform:none}
.catalog-channel-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;color:#fff;font-size:10px;font-weight:900;letter-spacing:.02em}
.catalog-contact-whatsapp:hover{border-color:rgba(71,209,103,.68)}
.catalog-contact-whatsapp .catalog-channel-icon{background:linear-gradient(180deg,#35c767,#16833b);box-shadow:0 7px 16px rgba(28,151,68,.20)}
.catalog-contact-telegram:hover{border-color:rgba(74,174,232,.72)}
.catalog-contact-telegram .catalog-channel-icon{background:linear-gradient(180deg,#36aee8,#147eb4);box-shadow:0 7px 16px rgba(20,126,180,.20)}

.catalog-footer{padding:26px 0;border-top:1px solid #17344d;background:#030f1a;color:#8fa1b3;font-size:12px}
.catalog-footer .catalog-shell{display:flex;justify-content:space-between;gap:20px}.catalog-footer a:hover{color:var(--catalog-gold)}

.catalog-top{
  position:fixed;
  z-index:900;
  right:20px;
  bottom:20px;
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border:1px solid rgba(224,180,93,.58);
  border-radius:50%;
  background:rgba(5,20,34,.94);
  color:#f0c66b;
  font-size:25px;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .2s ease,visibility .2s ease,transform .2s ease;
}
.catalog-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}

.catalog-language-gate{display:none}
@media(max-width:900px){
  .catalog-section-head,.catalog-request-grid{grid-template-columns:1fr;gap:24px}
  .catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog-documents-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog-document-wide{grid-column:1/-1}
  .catalog-document-wide .catalog-document-cover{aspect-ratio:2/1}
  .catalog-document-wide .catalog-document-cover img{object-fit:contain;object-position:center}
  .catalog-cta-inner{grid-template-columns:1fr;align-items:start;gap:30px}
  .catalog-request-section:before{background:linear-gradient(90deg,rgba(6,24,39,.98),rgba(6,24,39,.80)),url("images/showcase/railway-photo.jpg") 68% center/cover no-repeat}
}
@media(max-width:640px){
  .catalog-shell{width:calc(100% - 26px)}
  .catalog-header-inner{height:66px;gap:10px}
  .catalog-brand img{width:37px;height:37px}.catalog-brand span{font-size:14px}
  .catalog-back{font-size:0}.catalog-back:after{content:"←";font-size:22px}
  .catalog-langs{display:none}
  .catalog-hero{min-height:690px}.catalog-hero-photo{object-position:66% center}.catalog-hero-shade{background:linear-gradient(180deg,rgba(2,10,18,.18),rgba(2,10,18,.32) 34%,rgba(2,10,18,.94) 70%,#04111d 100%)}
  .catalog-hero-content{padding:126px 0 90px}.catalog-hero h1{font-size:39px}.catalog-lead{font-size:16px}.catalog-hero-tags{margin-top:24px}.catalog-hero-tags span{font-size:9px;padding:0 10px}.catalog-hero-rail{height:34px}
  .catalog-actions{display:grid;grid-template-columns:1fr;width:100%}.catalog-btn{width:100%}
  .catalog-section{padding:58px 0 64px}.catalog-grid{grid-template-columns:1fr;gap:11px}.catalog-product-body{min-height:0;padding:20px}.catalog-product-media{aspect-ratio:16/11}.catalog-item{min-height:0;padding:23px 20px}.catalog-item>span{margin-bottom:22px}
  .catalog-documents{padding:58px 0 64px}.catalog-documents-grid{grid-template-columns:1fr;gap:12px}.catalog-document-wide{grid-column:auto}.catalog-document-wide .catalog-document-cover,.catalog-document-cover{aspect-ratio:4/5}.catalog-document-wide .catalog-document-cover img{object-fit:cover;object-position:center top}.catalog-document-cover-dako img,.catalog-document-cover-pantograph img{object-fit:contain;object-position:center}.catalog-document-body{min-height:0;padding:20px}.catalog-document-action{margin-top:20px;padding-top:0}.catalog-rudos-heading{flex-direction:column;align-items:flex-start;gap:13px}.catalog-partner-logos{gap:6px;flex-wrap:nowrap}.catalog-partner-logo{height:56px}.catalog-partner-logo-rudos{width:74px;padding:7px}.catalog-partner-logo-dako{width:43px}.catalog-partner-badge{height:56px;min-width:78px;padding:0 10px;font-size:14px}.catalog-rudos-heading h2{font-size:31px}
  .catalog-request-section{padding:58px 0}.catalog-checklist li{padding-left:62px}.catalog-checklist li:before{left:17px}
  .catalog-cta{padding:54px 0}.catalog-contact-panel{width:100%}
  .catalog-footer .catalog-shell{flex-direction:column;gap:6px}
  .catalog-country-grid{grid-template-columns:1fr}.catalog-contact-email{min-height:68px}.catalog-contact-country{padding:13px}
  .catalog-viewer{padding:0}.catalog-viewer-dialog{width:100%;height:100%;border:0;border-radius:0}.catalog-viewer-header{min-height:64px;padding:9px 12px}.catalog-viewer-header h2{font-size:17px}.catalog-viewer-stage{padding:10px}.catalog-viewer-toolbar{min-height:62px;gap:6px;padding:9px 8px}.catalog-viewer-toolbar button{min-width:78px;padding:0 8px}.catalog-viewer-toolbar p{font-size:10px}.catalog-viewer-page{gap:4px}.catalog-viewer-page input{width:58px;height:32px;padding:0 4px;font-size:12px}

  .catalog-language-gate{
    position:fixed;
    z-index:2000;
    inset:0;
    display:block;
    overflow:hidden;
    background:#04111d url("images/hero-bg.jpg") 28% center/cover no-repeat;
    transition:opacity .38s ease,visibility .38s ease;
  }
  .catalog-language-gate.hidden{opacity:0;visibility:hidden;pointer-events:none}
  .catalog-gate-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,12,21,.12),rgba(3,12,21,.48) 52%,rgba(3,12,21,.96) 100%)}
  .catalog-gate-content{position:relative;z-index:2;min-height:100%;padding:8vh 20px 24px;display:flex;flex-direction:column;align-items:center;text-align:center}
  .catalog-gate-content>img{width:108px;height:108px;filter:drop-shadow(0 14px 30px rgba(0,0,0,.40))}
  .catalog-gate-content>strong{margin-top:14px;font-size:28px;letter-spacing:.04em}
  .catalog-gate-content>p{margin:auto 0 12px;color:#fff;font-size:13px;font-weight:800;letter-spacing:.09em}
  .catalog-gate-languages{width:min(360px,92vw);display:grid;gap:8px}
  .catalog-gate-languages button{min-height:58px;display:grid;grid-template-columns:54px 1fr;align-items:center;padding:0 20px;border:1px solid rgba(180,197,210,.25);border-radius:8px;background:linear-gradient(180deg,rgba(42,52,60,.86),rgba(20,29,37,.90));color:#fff;font-size:16px;font-weight:800;letter-spacing:.03em}
  .catalog-gate-languages button span{font-size:29px;text-align:left}
  .catalog-gate-skip{margin-top:18px;width:44px;height:44px;border:0;background:none;color:var(--catalog-gold);font-size:30px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.catalog-product,.catalog-item,.catalog-document,.catalog-document-cover img,.catalog-btn,.catalog-top{transition:none}}