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.category-slide{flex-basis:150px}.category-nav-strip .category-slide-img{height:120px}.product-page-head{padding:20px 0 0;background:#fff}.product-page-head .breadcrumbs{color:#718196}.product-page-head .breadcrumbs a{color:var(--blue)}.product-page-v4{padding:25px 0 56px}.product-hero-v4{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}.product-main-image-v4{background:#fff;border:1px solid var(--line);border-radius:22px;min-height:480px;padding:12px;display:grid;place-items:center;box-shadow:0 10px 34px rgba(8,31,57,.05)}.product-main-image-v4 img{width:100%;height:100%;max-height:520px;object-fit:contain}.product-summary-v4 h1{color:var(--navy);font-size:clamp(38px,4.4vw,58px)}.chips{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 20px}.chip{font-size:11px;padding:6px 10px;background:#edf3fa;color:#35516d;border-radius:999px;font-weight:750}.product-lead-v4{font-size:17px;color:var(--muted)}.quote-note-v4{margin:22px 0;padding:14px 16px;border-left:4px solid var(--orange);background:#fff6ed;border-radius:0 10px 10px 0;color:#596879}.product-tech-section{background:#f8fafc;border-top:1px solid #edf1f5}.tech-v4{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:45px;align-items:start}.tech-copy-v4{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 28px rgba(8,31,57,.04)}.tech-copy-v4 h2{font-size:36px;margin:9px 0 24px}.tech-content-v4{color:#34445a}.tech-content-v4 img,.tech-content-v4 picture,.tech-content-v4 figure{display:none!important}.tech-content-v4 h2,.tech-content-v4 h3,.tech-content-v4 h4{color:var(--navy);margin:28px 0 10px}.tech-content-v4 p{margin:0 0 14px}.tech-content-v4 ul,.tech-content-v4 ol{padding-left:20px}.tech-content-v4 table{width:100%;border-collapse:collapse;display:block;overflow:auto;margin:18px 0}.tech-content-v4 td,.tech-content-v4 th{border:1px solid var(--line);padding:9px 10px;min-width:120px}.product-contact-aside{position:sticky;top:100px;background:#06213d;color:#fff;padding:24px;border-radius:18px}.product-contact-aside h3{margin:0 0 9px;font-size:24px}.product-contact-aside p{color:#c9d7e4}.product-contact-aside ul{padding-left:19px;color:#d7e1ea;font-size:14px}.product-contact-aside .btn{width:100%;margin:8px 0}.aside-email{display:block;text-align:center;color:#9ed0ff;font-size:13px;margin-top:10px}.related-products{background:#fff}.contact-hero-v4{padding-bottom:64px}
@media(max-width:1020px){.nav-links{display:none;position:absolute;left:0;right:0;top:78px;background:#051b32;padding:20px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.hero-v4-copy{width:82%}.product-grid-v4{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr);row-gap:18px}.trust-grid>div:nth-child(2){border-right:0}.contact-v4-grid,.product-hero-v4,.tech-v4{grid-template-columns:1fr}.product-contact-aside{position:static}.catalog-hero-grid{grid-template-columns:1fr}.catalog-hero-image{display:none}.cta-v4{display:block}.cta-actions{margin-top:18px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(100% - 28px,1220px)}.nav{height:70px}.brand img{width:155px}.nav-links{top:70px}.hero-v4{height:620px;min-height:620px}.hero-overlay{background:linear-gradient(90deg,rgba(3,20,38,.96),rgba(3,20,38,.73))}.hero-v4-copy{width:100%;padding:28px 24px 30px}.hero-v4 h1{font-size:44px}.hero-v4 p{font-size:15px}.section{padding:56px 0}.section-title-row{display:block}.section-title-row p,.text-link{display:block;margin-top:12px}.rail-prev{left:-8px}.rail-next{right:-8px}.rail-btn{width:37px;height:37px}.category-slide{flex-basis:154px}.category-slide-img{height:140px}.product-card-carousel{flex-basis:270px}.product-thumb{height:235px}.product-grid-v4{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr}.trust-grid>div{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.14);padding:10px 5px 16px}.trust-grid>div:last-child{border-bottom:0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.contact-form.web-contact-form{padding:20px}.footer-grid{grid-template-columns:1fr}.catalog-hero-grid{min-height:285px}.catalog-hero h1,.category-hero-v4 h1{font-size:43px}.catalog-search-bar{display:block}.result-count{display:block;margin-top:10px}.product-main-image-v4{min-height:350px}.tech-copy-v4{padding:22px}.cta-v4{padding:28px}.cta-v4 h2{font-size:32px}.whatsapp{right:15px;bottom:15px;width:54px;height:54px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* ===== BRIEND V5: navegación, catálogo, imágenes y hero animado ===== */
:root{--navy2:#03182d;--blue2:#075aab;--orange2:#ff6a00;--surface:#f5f8fb;--shadow:0 14px 38px rgba(4,25,48,.09)}
.hero-slider{height:660px;min-height:620px;position:relative;overflow:hidden;background:#03182d;color:#fff}.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease,visibility .8s ease}.hero-slide.is-active{opacity:1;visibility:visible;z-index:1}.hero-slide-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.035)}.hero-slide.is-active .hero-slide-image{animation:heroKenBurns 7s ease-out both}.hero-slide-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,18,34,.94) 0%,rgba(3,24,45,.8) 40%,rgba(3,24,45,.28) 70%,rgba(3,24,45,.16) 100%)}.hero-slider-inner{height:100%;display:flex;align-items:center;position:relative;z-index:2}.hero-slider-copy{max-width:760px;padding:42px 0}.hero-slider-copy h1,.hero-slider-copy h2{font-size:clamp(46px,5.6vw,76px);line-height:.98;letter-spacing:-.052em;margin:12px 0 22px;color:#fff}.hero-slider-copy p{font-size:18px;line-height:1.6;color:#d9e4ed;max-width:680px}.hero-slide.is-active .hero-slider-copy>*{animation:heroCopy .7s ease both}.hero-slide.is-active .hero-slider-copy h1,.hero-slider-copy h2{animation-delay:.08s}.hero-slide.is-active .hero-slider-copy p{animation-delay:.14s}.hero-slide.is-active .hero-actions{animation-delay:.2s}.hero-slider-arrow{position:absolute;z-index:4;top:50%;transform:translateY(-50%);width:46px;height:46px;border:1px solid rgba(255,255,255,.32);background:rgba(2,18,34,.38);color:#fff;border-radius:50%;font-size:30px;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(7px)}.hero-slider-prev{left:22px}.hero-slider-next{right:22px}.hero-slider-arrow:hover{background:rgba(255,106,0,.9);border-color:transparent}.hero-slider-dots{position:absolute;z-index:5;left:50%;bottom:28px;transform:translateX(-50%);display:flex;gap:9px}.hero-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer}.hero-dot.is-active{width:28px;border-radius:999px;background:var(--orange)}.hero-progress{position:absolute;bottom:0;left:0;right:0;height:3px;z-index:5;background:rgba(255,255,255,.12)}.hero-progress span{display:block;height:100%;width:0;background:var(--orange)}.hero-slider.is-running .hero-progress span{animation:heroProgress 6.5s linear forwards}@keyframes heroKenBurns{from{transform:scale(1.035)}to{transform:scale(1.105)}}@keyframes heroCopy{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes heroProgress{from{width:0}to{width:100%}}
/* Product imagery: pure-white stage and larger usable area */
.product-card,.product-card-v5{background:#fff!important;border:1px solid #e2e9f0!important;box-shadow:0 8px 26px rgba(4,25,48,.055);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.product-card:hover,.product-card-v5:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(4,25,48,.11);border-color:#cbd9e6!important}.product-thumb,.product-thumb-v5{background:#fff!important}.product-thumb img,.product-thumb-v5 img{object-fit:contain!important;background:#fff!important}.product-thumb{height:290px!important;padding:8px}.product-thumb img{width:100%!important;height:100%!important}.product-main-image-v4{background:#fff!important;padding:22px!important}.product-main-image-v4 img{object-fit:contain!important}
.catalog-hero-v5{background:linear-gradient(115deg,#03182d,#07345d);color:#fff;overflow:hidden}.catalog-hero-v5-grid{min-height:390px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}.catalog-hero-v5 h1{font-size:clamp(42px,5.1vw,68px);line-height:1;letter-spacing:-.048em;color:#fff;margin:12px 0 18px}.catalog-hero-v5 p{font-size:17px;line-height:1.65;color:#cedbe7;max-width:680px}.catalog-hero-v5-image{height:390px;position:relative;margin-right:calc((100vw - min(1220px,calc(100vw - 40px)))/-2)}.catalog-hero-v5-image:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07345d 0%,transparent 28%);z-index:1}.catalog-hero-v5-image img{width:100%;height:100%;object-fit:cover}.breadcrumbs-light{display:flex;gap:8px;font-size:12px;color:#a9bfd2;margin-bottom:18px}.breadcrumbs-light a{color:#fff}.catalog-hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:25px}
.catalog-browser{background:#f5f8fb}.catalog-browser-intro{max-width:860px;margin-bottom:27px}.catalog-browser-intro h2{font-size:clamp(34px,4vw,48px);margin:8px 0 11px}.catalog-browser-intro p{color:var(--muted);font-size:16px}.catalog-topbar{display:flex;gap:12px;align-items:center;margin-bottom:22px}.search-box-v5{height:54px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #d6e0e9;border-radius:12px;padding:0 15px;flex:1;box-shadow:0 4px 16px rgba(4,25,48,.035)}.search-box-v5 span{font-size:22px;color:#6e8295}.search-box-v5 input{border:0;outline:0;width:100%;background:transparent;font-size:15px}.clear-filters,.catalog-mobile-filter{height:54px;border:1px solid #d6e0e9;background:#fff;color:#18334d;border-radius:12px;padding:0 16px;font-weight:800;cursor:pointer}.clear-filters:hover,.catalog-mobile-filter:hover{border-color:#0a63d8;color:#0a63d8}.catalog-mobile-filter{display:none}.catalog-layout-v5{display:grid;grid-template-columns:286px minmax(0,1fr);gap:28px;align-items:start}.catalog-sidebar-v5{position:relative}.catalog-sidebar-inner{position:sticky;top:96px;background:#fff;border:1px solid #dfe7ef;border-radius:16px;padding:19px;box-shadow:0 9px 28px rgba(4,25,48,.05);max-height:calc(100vh - 118px);overflow:auto}.sidebar-heading{padding:5px 5px 14px;border-bottom:1px solid #eef2f6;margin-bottom:8px}.sidebar-heading h2{font-size:25px;margin:5px 0}.sidebar-heading p{font-size:12px;color:#718398;margin:0;line-height:1.45}.catalog-filter-btn{width:100%;min-height:40px;border:0;background:transparent;color:#20384e;display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;border-radius:9px;padding:8px 9px;font-size:13px;font-weight:720;cursor:pointer}.catalog-filter-btn:hover{background:#f2f7fb;color:#0659aa}.catalog-filter-btn.is-active{background:#eaf3ff;color:#075cb4}.catalog-filter-btn b,.category-accordion summary b,.category-subaccordion summary b{min-width:26px;height:23px;padding:0 6px;display:inline-grid;place-items:center;border-radius:999px;background:#f1f4f7;color:#6d8093;font-size:10px}.catalog-filter-btn.is-active b{background:#fff;color:#075cb4}.catalog-filter-btn.level-1{padding-left:15px}.catalog-filter-btn.level-2{padding-left:22px;font-size:12px}.catalog-filter-btn.level-3{padding-left:31px;font-size:11px;font-weight:650}.category-accordion,.category-subaccordion{border-top:1px solid #edf1f5}.category-accordion>summary,.category-subaccordion>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 8px;font-size:13px;font-weight:850;color:#0b2945}.category-accordion>summary::-webkit-details-marker,.category-subaccordion>summary::-webkit-details-marker{display:none}.category-accordion>summary:before,.category-subaccordion>summary:before{content:"+";margin-right:6px;color:#0a63d8;font-size:16px}.category-accordion[open]>summary:before,.category-subaccordion[open]>summary:before{content:"−"}.category-accordion>summary span,.category-subaccordion>summary span{margin-right:auto}.category-subaccordion{border-top:0;margin-left:5px}.category-subaccordion>summary{font-size:12px;padding:9px 7px}.accordion-body{padding-bottom:5px}.catalog-results-v5{min-width:0}.catalog-results-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px;padding:3px 2px 4px}.results-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--orange);font-weight:900}.catalog-results-head h2{font-size:31px;margin:5px 0 5px}.catalog-results-head p{font-size:13px;color:#728296;margin:0}.results-tools{display:flex;align-items:center;gap:12px;white-space:nowrap}.results-tools strong{font-size:12px;color:#5b7084}.results-tools label{font-size:11px;color:#738397}.results-tools select{border:1px solid #d6e0e9;border-radius:8px;background:#fff;padding:8px 28px 8px 9px;color:#1c334a}.product-grid-v5{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card-v5{border-radius:15px;overflow:hidden;display:flex;flex-direction:column;content-visibility:auto;contain-intrinsic-size:510px}.product-thumb-v5{height:255px;display:grid;place-items:center;padding:7px;border-bottom:1px solid #edf1f5}.product-thumb-v5 img{width:100%;height:100%;object-fit:contain;transition:transform .25s ease}.product-card-v5:hover .product-thumb-v5 img{transform:scale(1.035)}.product-card-content{padding:17px 18px 18px;display:flex;flex-direction:column;flex:1}.product-family{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#718397;font-weight:850;margin-bottom:8px}.product-card-v5 h3{font-size:18px;line-height:1.2;margin:0 0 8px;color:#092642}.product-card-v5 h3 a{color:inherit}.product-card-v5 p{font-size:12.5px;line-height:1.5;color:#65778a;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.product-link-v5{margin-top:auto;font-size:12px;font-weight:850;color:#075cb4;border-top:1px solid #edf1f5;padding-top:12px;display:flex;align-items:center;justify-content:space-between}.catalog-empty{background:#fff;border:1px dashed #cbd8e4;border-radius:16px;padding:42px;text-align:center}.catalog-empty h3{font-size:26px;margin-bottom:8px}.catalog-seo-help{background:#fff}.seo-help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.seo-help-grid article{border:1px solid #e0e8ef;border-radius:14px;padding:22px;background:#fbfcfd}.seo-help-grid h3{font-size:20px;margin:0 0 10px}.seo-help-grid p{font-size:14px;color:#65778b;line-height:1.6;margin:0}
@media(max-width:1100px){.product-grid-v5{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout-v5{grid-template-columns:250px minmax(0,1fr)}}
@media(max-width:850px){.hero-slider{height:610px}.hero-slide-shade{background:linear-gradient(90deg,rgba(2,18,34,.96),rgba(2,18,34,.7))}.hero-slider-copy{max-width:90%}.catalog-hero-v5-grid{grid-template-columns:1fr;min-height:360px}.catalog-hero-v5-image{display:none}.catalog-layout-v5{display:block}.catalog-mobile-filter{display:inline-flex;align-items:center}.catalog-sidebar-v5{display:none;position:fixed;z-index:100;inset:78px 12px 12px;background:rgba(0,0,0,.2);padding:0}.catalog-sidebar-v5.is-open{display:block}.catalog-sidebar-inner{position:static;max-height:100%;height:100%;border-radius:15px;overflow:auto}.catalog-topbar{flex-wrap:wrap}.search-box-v5{order:3;flex-basis:100%}.catalog-results-head{align-items:start}.seo-help-grid{grid-template-columns:1fr}.catalog-mobile-filter{display:flex}.clear-filters{margin-left:auto}}
@media(max-width:620px){.hero-slider{height:630px}.hero-slider-copy{max-width:100%;padding:28px 15px}.hero-slider-copy h1,.hero-slider-copy h2{font-size:42px}.hero-slider-copy p{font-size:15px}.hero-slider-arrow{width:38px;height:38px;top:auto;bottom:18px}.hero-slider-prev{left:18px}.hero-slider-next{right:18px}.hero-slider-dots{bottom:31px}.catalog-hero-v5{padding:35px 0}.catalog-hero-v5 h1{font-size:41px}.product-grid-v5{grid-template-columns:1fr}.product-thumb-v5{height:300px}.catalog-results-head{display:block}.results-tools{justify-content:space-between;margin-top:13px}.catalog-topbar .clear-filters{font-size:12px}.product-thumb{height:310px!important}}
@media(prefers-reduced-motion:reduce){.hero-slide,.hero-slide-image,.hero-slider-copy>*{animation:none!important;transition:none!important}.hero-progress{display:none}}

/* V5.1 catalog filtering: author display rules must never override hidden results. */
[hidden]{display:none!important}
.catalog-filter-btn.is-active{box-shadow:inset 3px 0 0 #0a63d8}
.category-accordion>summary.is-filtered,.category-subaccordion>summary.is-filtered{color:#075cb4;background:#f3f8ff;border-radius:9px}

/* V5.3 product image + technical content refinement */
.product-thumb-v5 img,.product-thumb img,.product-main-image-v4 img{image-rendering:auto}.tech-content-v4 h3{font-size:22px;line-height:1.2;margin:30px 0 12px;color:#082844}.tech-content-v4 h3:first-child{margin-top:0}.tech-content-v4 ul{margin:0 0 22px;padding-left:20px}.tech-content-v4 li{margin:8px 0;line-height:1.55}.tech-content-v4 p{font-size:15px;line-height:1.72;color:#3f5062}.product-main-image-v4 img{max-height:640px}.product-thumb-v5 img,.product-thumb img{filter:contrast(1.015) saturate(1.02)}