/* SILCO Phase 4 — Public Catalogue */
.catalog-shell{max-width:1360px;margin:0 auto}.catalog-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--blue-deeper),#223b55);color:#fff;padding:82px 48px 72px}.catalog-hero.has-image{min-height:350px;display:flex;align-items:flex-end;background-size:cover;background-position:center}.catalog-hero.has-image:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,29,46,.9),rgba(12,29,46,.6) 58%,rgba(12,29,46,.26))}.catalog-hero__inner{position:relative;z-index:1;max-width:1360px;width:100%;margin:0 auto}.catalog-hero__eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-light);margin-bottom:12px}.catalog-hero__eyebrow a{opacity:.78;transition:opacity .2s}.catalog-hero__eyebrow a:hover{opacity:1}.catalog-hero h1{font-family:var(--fd);font-size:clamp(42px,5.2vw,68px);font-weight:300;line-height:1.02;max-width:900px}.catalog-hero p{max-width:720px;color:rgba(255,255,255,.7);font-size:15px;line-height:1.8;margin-top:16px}.catalog-main{padding:58px 48px 100px;background:var(--off-white)}.catalog-layout{display:grid;grid-template-columns:265px minmax(0,1fr);gap:44px;align-items:start}.catalog-sidebar{position:sticky;top:calc(var(--nav-h) + 24px);background:#fff;border:1px solid var(--border)}.catalog-sidebar__head{padding:16px 18px;border-bottom:1px solid var(--border);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-dark)}.catalog-sidebar__link{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 18px;border-bottom:1px solid var(--border-soft);font-size:12px;line-height:1.45;color:var(--ink-mid);transition:background .2s,color .2s,padding-left .2s}.catalog-sidebar__link:last-child{border-bottom:0}.catalog-sidebar__link:hover{background:var(--blue-bg);color:var(--blue);padding-left:21px}.catalog-sidebar__link.is-active{background:var(--blue);color:#fff}.catalog-sidebar__count{min-width:24px;text-align:right;font-size:10px;opacity:.55}.catalog-mobile-categories{display:none;margin-bottom:24px}.catalog-mobile-categories details{background:#fff;border:1px solid var(--border)}.catalog-mobile-categories summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:15px 17px;font-size:11px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;cursor:pointer}.catalog-mobile-categories summary::-webkit-details-marker{display:none}.catalog-mobile-categories summary:after{content:"+";font-size:18px;font-weight:300}.catalog-mobile-categories details[open] summary:after{content:"−"}.catalog-mobile-categories__links{border-top:1px solid var(--border);max-height:58vh;overflow:auto}.catalog-mobile-categories__links a{display:flex;justify-content:space-between;gap:12px;padding:11px 16px;border-bottom:1px solid var(--border-soft);font-size:12px}.catalog-mobile-categories__links a.is-active{background:var(--blue-bg);color:var(--blue);font-weight:600}.catalog-content__head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:25px}.catalog-content__title{font-family:var(--fd);font-size:30px;font-weight:400;line-height:1.1}.catalog-content__count{font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-light);white-space:nowrap}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.catalog-empty{grid-column:1/-1;padding:50px 28px;border:1px solid var(--border);background:#fff;text-align:center}.catalog-empty strong{display:block;font-family:var(--fd);font-size:26px;font-weight:400}.catalog-empty span{display:block;color:var(--ink-light);font-size:13px;margin-top:6px}
.catalog-product-card{min-width:0;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);color:inherit;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}.catalog-product-card:hover{transform:translateY(-3px);border-color:#ccd9e6;box-shadow:0 15px 34px rgba(19,40,64,.07)}.catalog-product-card__media{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1/1;background:#f5f7f8;padding:24px;overflow:hidden}.catalog-product-card__media img{width:100%;height:100%;object-fit:contain;transition:transform .35s var(--ease)}.catalog-product-card:hover .catalog-product-card__media img{transform:scale(1.025)}.catalog-product-card__view{position:absolute;left:14px;right:14px;bottom:14px;display:flex;align-items:center;justify-content:space-between;padding:9px 11px;background:rgba(19,40,64,.93);color:#fff;font-size:9px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:0;transform:translateY(7px);transition:.25s var(--ease)}.catalog-product-card:hover .catalog-product-card__view{opacity:1;transform:none}.catalog-product-card__body{display:flex;flex-direction:column;flex:1;padding:17px 18px 19px}.catalog-product-card__meta{display:flex;justify-content:space-between;gap:12px;min-height:16px;margin-bottom:7px;color:var(--ink-light);font-size:9px;font-weight:600;letter-spacing:.11em;text-transform:uppercase}.catalog-product-card__meta span:last-child{text-align:right}.catalog-product-card__title{display:block;font-family:var(--fb);font-size:16px;font-weight:500;line-height:1.35;color:var(--ink)}.catalog-product-card__description{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:7px;color:var(--ink-light);font-size:12px;line-height:1.55}
.product-breadcrumbs{max-width:1260px;margin:0 auto 28px;display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--ink-light);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.product-breadcrumbs a{transition:color .2s}.product-breadcrumbs a:hover{color:var(--blue)}.product-breadcrumbs__sep{opacity:.45}.product-page{padding:44px 48px 100px;background:var(--off-white)}.product-wrap{max-width:1260px;margin:0 auto}.product-top{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:68px;align-items:start}.product-gallery{min-width:0}.product-main-image{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1/1;background:#f5f7f8;border:1px solid var(--border);padding:34px;overflow:hidden}.product-main-image img{width:100%;height:100%;object-fit:contain}.product-gallery__thumbs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin-top:10px}.product-gallery__thumb{display:flex;align-items:center;justify-content:center;aspect-ratio:1/1;padding:7px;background:#fff;border:1px solid var(--border);cursor:pointer;transition:border-color .2s,box-shadow .2s}.product-gallery__thumb img{width:100%;height:100%;object-fit:contain}.product-gallery__thumb.is-active,.product-gallery__thumb:hover{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.product-copy{padding-top:10px}.product-copy .s-label{margin-bottom:11px}.product-copy h1{font-family:var(--fb);font-size:clamp(32px,4.1vw,52px);font-weight:400;line-height:1.08;letter-spacing:-.025em}.product-code{margin-top:10px;color:var(--ink-light);font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}.product-short{max-width:560px;margin:18px 0 26px;color:var(--ink-mid);font-size:17px;line-height:1.72}.dealer-price-note{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;background:var(--blue-bg);border-left:3px solid var(--blue);color:var(--ink-mid);font-size:12px;line-height:1.6}.dealer-price-note__icon{flex:0 0 auto;width:24px;height:24px;border:1px solid rgba(45,90,142,.28);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:12px}.product-options{margin-top:33px}.product-options h3{margin-bottom:12px;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-dark)}.product-option-list{display:flex;flex-wrap:wrap;gap:9px}.product-option-chip{min-width:108px;padding:10px 13px;background:#fff;border:1px solid var(--border)}.product-option-chip small{display:block;margin-bottom:2px;color:var(--ink-light);font-size:8px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}.product-option-chip strong{display:block;font-size:12px;font-weight:500}.product-info{margin-top:58px;padding-top:35px;border-top:1px solid var(--border)}.product-info__head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.product-info h2{font-family:var(--fd);font-size:34px;font-weight:400;line-height:1.1}.product-info-text{max-width:900px;color:var(--ink-mid);font-size:14px;line-height:1.9;white-space:pre-line}.product-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:30px;background:var(--border)}.product-meta div{background:#fff;padding:16px}.product-meta small{display:block;color:var(--gold);font-size:8px;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.product-meta strong{font-size:12px;font-weight:500}.product-resources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.product-resource-link{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:17px 18px;border:1px solid var(--border);background:#fff;color:var(--ink);text-align:left;text-decoration:none;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s}.product-resource-link:hover{border-color:var(--blue-pale);transform:translateY(-1px);box-shadow:0 8px 24px rgba(27,54,88,.06)}.product-resource-copy{display:flex;flex-direction:column;gap:4px}.product-resource-type{font-size:8px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}.product-resource-title{font-size:13px;font-weight:500}.product-resource-action{font-size:9px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);white-space:nowrap}.related-slider{position:relative}.related-slider__viewport{overflow:hidden}.related-slider__track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;scroll-behavior:smooth;padding:2px 2px 14px}.related-slider__track::-webkit-scrollbar{display:none}.related-slider .catalog-product-card{flex:0 0 calc((100% - 54px)/4);scroll-snap-align:start}.related-slider__controls{display:flex;gap:7px}.related-slider__button{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);color:var(--blue-dark);font-size:18px;transition:.2s}.related-slider__button:hover{background:var(--blue);border-color:var(--blue);color:#fff}.related-slider__button:disabled{opacity:.3;cursor:default;background:#fff;color:var(--ink-light)}.video-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:24px}.video-modal.is-open{display:flex}.video-modal-backdrop{position:absolute;inset:0;background:rgba(5,16,27,.84)}.video-modal-dialog{position:relative;z-index:1;width:min(1040px,100%);background:#071a2c;box-shadow:0 24px 80px rgba(0,0,0,.4)}.video-modal-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 18px;color:#fff}.video-modal-head h3{font-size:14px;font-weight:500;margin:0}.video-modal-close{width:38px;height:38px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-size:25px;line-height:1;cursor:pointer}.video-modal-frame{aspect-ratio:16/9;background:#000}.video-modal-frame iframe{width:100%;height:100%;border:0;display:block}
@media(max-width:1100px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-slider .catalog-product-card{flex-basis:calc((100% - 36px)/3)}}
@media(max-width:960px){.catalog-main{padding-top:34px}.catalog-layout{grid-template-columns:1fr;gap:0}.catalog-sidebar{display:none}.catalog-mobile-categories{display:block}.product-top{grid-template-columns:1fr;gap:38px}.product-copy{padding-top:0}.related-slider .catalog-product-card{flex-basis:calc((100% - 18px)/2)}}
@media(max-width:720px){.catalog-hero{padding:58px 22px 48px}.catalog-hero.has-image{min-height:300px}.catalog-main,.product-page{padding-left:22px;padding-right:22px}.catalog-content__head{align-items:flex-start;flex-direction:column;gap:6px}.catalog-grid{gap:14px}.product-breadcrumbs{margin-bottom:20px}.product-main-image{padding:22px}.product-gallery__thumbs{grid-template-columns:repeat(4,minmax(0,1fr))}.product-resources{grid-template-columns:1fr}.product-info__head{align-items:flex-start}.product-short{font-size:15px}}
@media(max-width:540px){.catalog-grid{grid-template-columns:1fr}.catalog-product-card__view{display:none}.product-page{padding-top:28px}.product-copy h1{font-size:32px}.product-meta{grid-template-columns:1fr}.related-slider .catalog-product-card{flex-basis:82%}.product-info h2{font-size:29px}.product-info__head{margin-bottom:16px}.product-gallery__thumbs{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* Phase 4.1 — AJAX catalogue states */
[data-catalog-results]{position:relative;transition:opacity .18s ease}
[data-catalog-results].is-loading{opacity:.42;pointer-events:none;min-height:220px}
[data-catalog-results].is-loading::after{content:'';position:absolute;top:82px;left:50%;width:30px;height:30px;margin-left:-15px;border:2px solid rgba(45,90,142,.18);border-top-color:#2d5a8e;border-radius:50%;animation:silcoCatalogSpin .7s linear infinite}
.catalog-ajax-error{grid-column:1/-1;margin:0 0 18px;padding:12px 14px;border:1px solid #e9b8b3;background:#fff4f2;color:#9d342c;font-size:13px}
.catalog-category-description{margin:-8px 0 28px;max-width:780px}
@keyframes silcoCatalogSpin{to{transform:rotate(360deg)}}
/* Phase 6 — protected B2B pricing */
.catalog-product-card__price{display:flex;flex-direction:column;gap:2px;margin-top:auto;padding-top:14px;color:var(--blue-dark)}.catalog-product-card__price small{font-size:8px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--gold)}.catalog-product-card__price strong{font-size:14px;font-weight:600}.dealer-price-note a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:2px}.dealer-price-panel{display:flex;flex-direction:column;gap:5px;padding:18px 20px;background:#fff;border:1px solid var(--blue-pale);border-left:3px solid var(--blue);box-shadow:0 8px 26px rgba(19,40,64,.04)}.dealer-price-panel__label{font-size:9px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}.dealer-price-panel__value{font-family:var(--fb);font-size:24px;line-height:1.2;color:var(--blue-dark)}.dealer-price-panel__dealer{font-size:11px;color:var(--ink-light)}.product-option-chip__price{display:block;margin-top:7px;padding-top:7px;border-top:1px solid var(--border);font-size:11px;font-weight:600;color:var(--blue-dark)}

/* Phase 6.1 — multi-attribute variants */
.product-attribute-selectors{display:grid;gap:18px}.product-attribute-selector__label{margin-bottom:8px;color:var(--blue-dark);font-size:9px;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.product-attribute-selector__values{display:flex;flex-wrap:wrap;gap:8px}.product-attribute-value{min-width:72px;padding:10px 14px;border:1px solid var(--border);background:#fff;color:var(--ink);font:inherit;font-size:12px;cursor:pointer;transition:border-color .18s,background .18s,color .18s,box-shadow .18s}.product-attribute-value:hover{border-color:var(--blue)}.product-attribute-value.is-selected{border-color:var(--blue);background:var(--blue);color:#fff;box-shadow:0 5px 14px rgba(45,90,142,.16)}.product-selected-variant{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}.product-selected-variant>span{color:var(--ink-light);font-size:9px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.product-selected-variant>strong{font-size:12px;font-weight:500}.dealer-price-panel__sku{font-size:10px;color:var(--ink-light);letter-spacing:.05em}.product-variant-selector.is-updating{opacity:.7}@media(max-width:640px){.product-attribute-value{flex:1 1 auto;min-width:88px}.product-selected-variant{display:block}.product-selected-variant>strong{display:block;margin-top:4px}}

/* Front Phase 2.1 — AJAX catalogue search */
.catalog-search{margin:0 0 26px;padding:0}.catalog-search__form{margin:0}.catalog-search__label{display:block;margin:0 0 9px;color:var(--blue-dark);font-size:10px;font-weight:700;letter-spacing:.11em}.catalog-search__field{position:relative;display:flex;align-items:center;min-height:54px;background:#fff;border:1px solid #cfd7df;box-shadow:0 8px 30px rgba(18,38,59,.045);transition:border-color .18s ease,box-shadow .18s ease}.catalog-search__field:focus-within{border-color:#526d86;box-shadow:0 10px 34px rgba(18,38,59,.08),inset 0 0 0 1px rgba(82,109,134,.18)}.catalog-search__icon{position:absolute;left:18px;top:50%;display:flex;align-items:center;justify-content:center;color:#526d86;transform:translateY(-50%);pointer-events:none}.catalog-search__input{width:100%;height:54px;padding:0 54px 0 52px;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:400}.catalog-search__input::placeholder{color:#8d9aa7;opacity:1}.catalog-search__input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}.catalog-search__clear{position:absolute;right:10px;top:50%;width:34px;height:34px;padding:0;border:0;background:transparent;color:#71808e;font-family:Arial,sans-serif;font-size:23px;font-weight:300;line-height:34px;cursor:pointer;transform:translateY(-50%);transition:background .18s ease,color .18s ease}.catalog-search__clear:hover{background:#eef2f5;color:#24394d}.catalog-search__hint{margin-top:7px;color:var(--ink-light);font-size:10px;line-height:1.55}.catalog-search-summary{margin:-4px 0 22px;color:var(--ink-light);font-size:12px;line-height:1.55}.catalog-search-summary strong{color:var(--ink-mid);font-weight:600}@media(max-width:720px){.catalog-search{margin-bottom:22px}.catalog-search__label{margin-bottom:8px}.catalog-search__field{min-height:50px}.catalog-search__input{height:50px;padding-left:47px;font-size:13px}.catalog-search__icon{left:16px}.catalog-search__hint{font-size:9px}}

/* Front Phase 2.4 — catalogue hero: dark technical / industrial background */
.catalog-hero:not(.has-image){
    position:relative;
    isolation:isolate;
    background:
        linear-gradient(108deg,#090e13 0%,#101922 34%,#182a38 67%,#20394a 100%);
    box-shadow:
        inset 0 -1px 0 rgba(91,178,214,.22),
        inset 0 -90px 130px rgba(0,0,0,.18);
}
.catalog-hero:not(.has-image)::before{
    content:"";
    position:absolute;
    inset:0;
    z-index:0;
    background:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),
        radial-gradient(ellipse at 14% 18%,rgba(63,154,193,.16) 0%,rgba(63,154,193,0) 34%),
        radial-gradient(ellipse at 88% 22%,rgba(255,255,255,.05) 0%,rgba(255,255,255,0) 30%);
    background-size:52px 52px,52px 52px,auto,auto;
    opacity:.82;
    pointer-events:none;
}
.catalog-hero:not(.has-image)::after{
    content:"";
    position:absolute;
    top:-28%;
    right:-7%;
    width:57%;
    height:165%;
    z-index:0;
    background:
        linear-gradient(145deg,rgba(63,154,193,.12),rgba(255,255,255,.018) 46%,rgba(0,0,0,.08));
    border-left:1px solid rgba(116,190,220,.14);
    transform:skewX(-14deg);
    pointer-events:none;
}
.catalog-hero:not(.has-image) .catalog-hero__inner{
    position:relative;
    z-index:2;
}
.catalog-hero:not(.has-image) .catalog-hero__eyebrow{
    color:#82c5df;
}
.catalog-hero:not(.has-image) h1{
    color:#fff;
    text-shadow:0 2px 24px rgba(0,0,0,.16);
}
.catalog-hero:not(.has-image) p{
    color:rgba(239,246,250,.77);
}
@media(max-width:720px){
    .catalog-hero:not(.has-image)::before{background-size:38px 38px,38px 38px,auto,auto}
    .catalog-hero:not(.has-image)::after{right:-26%;width:78%;opacity:.72}
}

/* Phase 2.5 — Product gallery navigation */
.product-gallery__arrow{position:absolute;top:50%;z-index:4;display:flex;align-items:center;justify-content:center;width:48px;height:48px;margin-top:-24px;border:1px solid #c9d7de;background:rgba(255,255,255,.96);color:#173347;box-shadow:0 10px 30px rgba(11,35,49,.11);cursor:pointer;transition:background .22s,color .22s,border-color .22s,box-shadow .22s}
.product-gallery__arrow:hover{background:#173347;color:#fff;border-color:#173347;box-shadow:0 12px 34px rgba(11,35,49,.18)}
.product-gallery__arrow--prev{left:18px}.product-gallery__arrow--next{right:18px}
.product-gallery__arrow svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:720px){.product-gallery__arrow{width:42px;height:42px;margin-top:-21px}.product-gallery__arrow--prev{left:10px}.product-gallery__arrow--next{right:10px}}