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@media(max-width:580px){.ns-header-top{gap:9px}.ns-logo-mark{font-size:29px}.ns-brand-title{font-size:21px}.ns-actions{gap:9px}.ns-actions svg{width:19px}.ns-search input{padding:11px 12px}.ns-hero{display:flex;flex-direction:column-reverse;min-height:0}.ns-hero-photo{min-height:205px;background-position:center right}.ns-hero-copy{padding:25px 24px 30px}.ns-hero h1{font-size:36px;letter-spacing:-1.2px;max-width:none}.ns-hero p{font-size:13px}.ns-trust-bar{grid-template-columns:1fr 1fr;row-gap:18px}.ns-trust-bar>div{justify-content:flex-start;padding:5px;gap:6px}.ns-trust-bar>div:nth-child(even){border:0}.ns-trust-bar small{font-size:10px}.ns-section{margin-block:30px}.ns-section-head h2{font-size:22px}.ns-category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.ns-category-card img{height:86px}.ns-category-card h3{font-size:11px;margin:9px 7px 6px}.ns-category-card>span{margin:0 7px 9px;font-size:10px}.ns-products,.woocommerce ul.products{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.ns-product-body{padding:10px}.ns-product-body h3{font-size:12px;min-height:53px}.ns-price{font-size:14px}.ns-btn-small{font-size:11px}.ns-two-banners{grid-template-columns:1fr}.ns-mini-banner{height:200px}.ns-grades-grid{grid-template-columns:1fr 1fr;gap:9px}.ns-grade-card{padding:14px;min-height:170px}.ns-grade-card h3{font-size:14px}.ns-school-banner{grid-template-columns:1fr}.ns-school-banner>div{padding:24px}.ns-school-banner h2{font-size:26px}.ns-school-banner img{height:190px}.ns-tutorial-grid,.ns-project-grid{grid-template-columns:1fr}.ns-page-hero{display:flex;flex-direction:column-reverse}.ns-page-hero img{height:180px;mask-image:none}.ns-page-hero>div{padding:26px}.ns-detail-grid,.ns-contact-grid{grid-template-columns:1fr}.ns-detail-grid h1{font-size:29px}.ns-detail-image{height:auto}.ns-tutorial-detail h1{font-size:30px}.ns-kit-products{grid-template-columns:repeat(2,1fr)}.ns-form-grid{grid-template-columns:1fr}.ns-wishlist-grid,.ns-saved-grid{grid-template-columns:1fr}.ns-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding-top:35px}.ns-footer-about{grid-column:1/-1}.ns-footer-bottom{flex-wrap:wrap}.woocommerce-account .woocommerce-MyAccount-navigation,.woocommerce-account .woocommerce-MyAccount-content{float:none;width:100%;margin-bottom:16px}.woocommerce ul.products li.product .ns-product-card{height:100%}.woocommerce div.product .summary h1{font-size:27px}.woocommerce table.shop_table_responsive tr td{display:block!important}.ns-kit-summary{position:static}}
@media(max-width:350px){.ns-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ns-brand-title{font-size:19px}.ns-actions{gap:6px}.ns-grades-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.ns-shop-heading{padding:32px 0 0}.ns-shop-heading h1{font-size:34px;letter-spacing:-1px;margin:5px 0 3px}.ns-shop-heading p{color:var(--ns-muted);font-size:13px}.ns-catalog-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:26px;align-items:start}.ns-catalog-layout .ns-woo-main{width:100%;padding:0 0 30px}.ns-catalog-sidebar{padding:23px;border:1px solid var(--ns-border);border-radius:14px;position:sticky;top:165px}.ns-catalog-sidebar h2{font-size:17px;margin:0 0 12px}.ns-catalog-sidebar h2:not(:first-child){margin-top:23px}.ns-catalog-sidebar ul{padding:0;list-style:none;margin:0}.ns-catalog-sidebar li a{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f0f3fa;font-size:12px}.ns-catalog-sidebar small{color:#95a2bb}.ns-catalog-sidebar form{display:grid;gap:9px}.ns-catalog-sidebar label{font-size:12px;font-weight:650}.ns-catalog-sidebar input,.ns-catalog-sidebar select{width:100%;border-radius:7px;border:1px solid var(--ns-border);padding:9px;background:#fff;max-width:100%}.ns-catalog-sidebar button{margin-top:9px}.ns-catalog-layout .woocommerce ul.products{grid-template-columns:repeat(3,minmax(0,1fr))}.ns-catalog-products{min-width:0}@media(max-width:920px){.ns-catalog-layout{grid-template-columns:1fr}.ns-catalog-sidebar{position:static}.ns-catalog-sidebar ul{display:grid;grid-template-columns:repeat(3,1fr);gap:0 14px}.ns-catalog-sidebar form{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end}.ns-catalog-sidebar form label{grid-column:auto}.ns-catalog-sidebar form button{grid-column:1/-1}}@media(max-width:600px){.ns-catalog-sidebar{padding:15px}.ns-catalog-sidebar ul{grid-template-columns:1fr 1fr}.ns-catalog-sidebar form{grid-template-columns:1fr 1fr}.ns-catalog-sidebar form label{grid-column:1/-1}.ns-catalog-sidebar form select,.ns-catalog-sidebar form input{grid-column:1/-1}.ns-catalog-layout .woocommerce ul.products{grid-template-columns:repeat(2,minmax(0,1fr))}.ns-shop-heading h1{font-size:27px}}

/* Version 1.1: populated site and demo catalog states */
.ns-preview-label{margin:0 0 16px!important;padding:12px 16px;background:#eef4ff;border:1px solid #dbe6ff;border-radius:12px;font-size:12px;color:#243873}
.ns-preview-products .ns-product-picture{display:block;overflow:hidden}.ns-preview-copy{min-height:35px;font-size:12px;color:#617398}
.ns-prose h2{scroll-margin-top:120px}.ns-prose h3{font-size:19px;line-height:1.4;margin-top:25px}.ns-prose ol,.ns-prose ul{padding-left:23px}.ns-prose li{margin-bottom:8px}.ns-article-card img{background:#edf3ff}
@media(max-width:580px){.ns-preview-copy{font-size:11px}}

/* v1.3: fast-loading storefront. Deferred painting is limited to offscreen, non-checkout sections. */
.ns-home>section:nth-of-type(n+5){content-visibility:auto;contain-intrinsic-size:auto 580px}
.ns-category-card img,.ns-article-card img{aspect-ratio:4/3;object-fit:cover}
@media(max-width:580px){.ns-hero-photo img{height:205px;min-height:205px}.ns-home>section:nth-of-type(n+5){contain-intrinsic-size:auto 850px}}


/* Nexu Store 1.4: touch, tablet and desktop accessibility and compatibility */
html { scroll-padding-top: 120px; }
body { overflow-wrap: break-word; }
.ns-container,.ns-page-wrap,.ns-woo-main,.ns-catalog-layout,.ns-catalog-products { min-width: 0; }
.ns-header .ns-brand { min-width:0; }
.ns-primary-nav a, .ns-footer a { text-underline-offset:3px; }
.ns-icon { pointer-events:none; }
.ns-menu li a:focus-visible { background:#f3f5ff; }
.ns-menu .sub-menu { z-index:110; max-width:min(90vw,280px); }
.ns-menu-toggle { align-items:center;justify-content:center; }
.ns-actions a, .ns-menu-toggle { min-height:42px; }
.ns-search button { min-height:44px; }
.ns-btn, .woocommerce a.button, .woocommerce button.button, .woocommerce input.button { min-height:43px; }
.ns-filter-toggle {display:none;}
.ns-clear-filters{display:inline-flex;justify-content:center;align-items:center;padding:10px 8px;color:var(--ns-primary);font-size:13px;font-weight:700;min-height:44px;}
.ns-catalog-sidebar :is(input,select,button) {min-height:44px;}
.ns-kit-search-label{display:block;margin-top:16px;font-weight:700;font-size:13px;}
.ns-kit-search{width:100%;min-height:48px;margin:7px 0 5px;padding:11px 14px;border:1px solid #d5e0f2;border-radius:10px;}
.ns-kit-filter-status{color:var(--ns-muted);font-size:12px;min-height:18px;margin:3px 0 12px;}
.ns-kit-product[hidden],.ns-kit-empty[hidden]{display:none!important;}
.ns-kit-empty{padding:16px;text-align:center;color:var(--ns-muted);grid-column:1/-1;}
.ns-kit-product input{min-height:44px;font-size:16px;}
.ns-kit-summary input{min-height:44px;max-width:100%;}
.ns-live-message:not([hidden]){position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:10000;background:#101b3c;color:#fff;box-shadow:0 8px 36px rgba(4,14,38,.24);border-radius:10px;padding:12px 18px;max-width:min(92vw,480px);width:max-content;line-height:1.4;font-size:14px;}
.ns-live-message.ns-live-error{background:#a11938;}
.ns-product-card{display:flex;flex-direction:column;height:100%;}
.ns-product-body{flex:1;display:flex;flex-direction:column;}
.ns-product-body .ns-price{margin-top:auto;}
.ns-product-picture img{object-fit:contain;}
.ns-kit-products{align-items:stretch;}
.ns-prose :is(img,iframe,video){max-width:100%;height:auto;}
.ns-prose pre{max-width:100%;overflow:auto;}
.ns-prose table,.woocommerce table.shop_table{width:100%;}
.woocommerce div.product div.images,.woocommerce div.product div.summary{min-width:0;}
.woocommerce div.product div.images img{height:auto;}
.woocommerce .woocommerce-error,.woocommerce .woocommerce-message,.woocommerce .woocommerce-info{overflow-wrap:anywhere;}
.woocommerce .select2-container{max-width:100%;}
.woocommerce form .form-row input.input-text,.woocommerce form .form-row textarea,.woocommerce form .form-row select {min-height:44px;width:100%;}
.woocommerce .woocommerce-MyAccount-navigation a{min-height:43px;}
.woocommerce ul.products li.product .ns-product-card{height:100%;}
.woocommerce table.shop_table td,.woocommerce table.shop_table th{overflow-wrap:anywhere;}
.woocommerce div.product .woocommerce-tabs ul.tabs{display:flex;gap:7px;flex-wrap:wrap;padding:0;}
.woocommerce div.product .woocommerce-tabs ul.tabs li{margin:0;}
.woocommerce div.product .woocommerce-tabs ul.tabs:before{display:none;}
.woocommerce .woocommerce-breadcrumb{white-space:normal;}
.woocommerce .woocommerce-ordering select{min-height:42px;max-width:100%;}
@media (max-width:1024px) and (min-width:851px) {
 .ns-header-top{gap:14px;}
 .ns-actions{gap:12px;}
 .ns-menu{gap:16px;}
 .ns-menu a{font-size:11px;}
 .ns-search{max-width:430px;}
}
@media (max-width:920px) {
 .ns-js-ready .ns-catalog-sidebar{display:none;}
 .ns-js-ready .ns-catalog-sidebar.ns-filters-open{display:block;}
 .ns-filter-toggle{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;background:#fff;border:1px solid var(--ns-border);border-radius:11px;color:var(--ns-navy);font-weight:750;font-size:14px;text-align:left;padding:13px 16px;min-height:48px;}
 .ns-catalog-layout{row-gap:10px;}
 .ns-catalog-sidebar{margin-bottom:18px;}
 .ns-catalog-sidebar form{grid-template-columns:repeat(2,minmax(0,1fr));}
 .ns-catalog-sidebar form button,.ns-catalog-sidebar .ns-clear-filters{grid-column:1/-1;}
}
@media (max-width:850px) {
 .ns-header-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px 10px;min-height:0;padding:10px 0;}
 .ns-brand{justify-self:start;overflow:hidden;}
 .ns-search{grid-column:1/-1;order:initial;width:100%;max-width:none;}
 .ns-search input{font-size:16px;padding:10px 12px;}
 .ns-actions{margin:0;gap:4px;justify-self:end;}
 .ns-actions>a,.ns-menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:42px;padding:8px;border-radius:8px;flex:none;}
 .ns-menu-toggle{display:inline-flex;}
 .ns-primary-nav{display:none;}
 .ns-primary-nav.open{display:block;max-height:min(70dvh,550px);overflow-y:auto;overscroll-behavior:contain;padding-bottom:8px;}
 .ns-primary-nav .ns-menu{display:block;}
 .ns-menu li{width:100%;}
 .ns-menu a{font-size:14px;padding:13px 10px;min-height:44px;}
 .ns-menu .sub-menu{max-width:none;border-radius:0;box-shadow:none;display:block;position:static;padding:0 0 0 16px;background:#f8faff;}
 .ns-primary-nav[aria-hidden="true"]:not(.open){display:none;}
 .ns-category-grid{gap:10px;}
 .ns-kit-summary{position:static;}
 .ns-tutorial-grid,.ns-project-grid{gap:13px;}
 .woocommerce-account .woocommerce-MyAccount-navigation {width:100%;float:none;margin-bottom:18px;}
 .woocommerce-account .woocommerce-MyAccount-content {width:100%;float:none;}
 .woocommerce-account .woocommerce-MyAccount-navigation ul{display:flex;flex-wrap:nowrap;gap:5px;overflow-x:auto;scrollbar-width:thin;padding-bottom:7px;}
 .woocommerce-account .woocommerce-MyAccount-navigation li{flex:none;}
 .woocommerce-account .woocommerce-MyAccount-navigation li a{font-size:13px;white-space:nowrap;}
}
@media (max-width:650px) {
 .ns-container{width:calc(100% - 28px);}
 .ns-header{top:0;}
 .ns-brand-title{font-size:20px;letter-spacing:-1.1px;}
 .ns-logo-mark{font-size:30px;margin-right:10px;letter-spacing:-7px;}
 .ns-brand-image{max-width:135px;max-height:44px;}
 .ns-actions{gap:1px;}
 .ns-actions a,.ns-menu-toggle{min-width:37px;min-height:42px;padding:7px;}
 .ns-actions svg{width:19px;height:19px;}
 .ns-hero-copy{padding:28px 22px 30px;}
 .ns-hero h1{font-size:clamp(31px,8vw,40px);letter-spacing:-1.5px;}
 .ns-hero p{font-size:14px;line-height:1.55;}
 .ns-category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
 .ns-category-card img{height:105px;}
 .ns-category-card h3{font-size:12px;margin:10px 9px 6px;}
 .ns-category-card>span{margin:0 9px 10px;}
 .ns-trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));padding:14px 0;gap:9px;}
 .ns-trust-bar>div{font-size:12px;justify-content:flex-start;padding:7px 5px;border:0;}
 .ns-trust-bar svg{width:22px;}
 .ns-products,.woocommerce ul.products,.ns-catalog-layout .woocommerce ul.products{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;}
 .ns-product-body h3{min-height:0;font-size:13px;line-height:1.35;}
 .ns-product-body{padding:10px;}
 .ns-product-card .ns-btn-small{font-size:11px;padding:9px 6px;white-space:normal;text-align:center;min-height:41px;}
 .ns-product-card .ns-btn-small svg{display:none;}
 .ns-product-picture{aspect-ratio:1/1;}
 .ns-section-head{align-items:flex-start;}
 .ns-section-head h2{font-size:22px;}
 .ns-section-head .ns-link{font-size:11px;white-space:normal;text-align:right;}
 .ns-mini-banner{height:auto;min-height:200px;padding:23px;}
 .ns-mini-banner>img{width:48%;}
 .ns-grades-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .ns-grade-card{min-height:185px;}
 .ns-form-grid{display:grid;grid-template-columns:1fr;}
 .ns-kit-products{grid-template-columns:repeat(2,minmax(0,1fr));}
 .ns-saved-grid,.ns-wishlist-grid{grid-template-columns:1fr;}
 .ns-quote-form{width:100%;}
 .ns-contact-grid{grid-template-columns:1fr;}
 .ns-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .ns-footer-about{grid-column:1/-1;}
 .ns-footer-bottom{gap:7px;}
 .woocommerce div.product .woocommerce-tabs ul.tabs{overflow-x:auto;flex-wrap:nowrap;}
 .woocommerce div.product .woocommerce-tabs ul.tabs li{flex:none;}
 .woocommerce table.shop_table_responsive tr td {text-align:left!important;}
 .woocommerce .cart-collaterals .cart_totals,.woocommerce .cart-collaterals .cross-sells {width:100%;float:none;}
 .woocommerce-checkout #customer_details,.woocommerce-checkout #order_review{width:100%;float:none;}
 .woocommerce .col2-set .col-1,.woocommerce .col2-set .col-2{width:100%;float:none;}
 .woocommerce-page table.cart td.actions .coupon{display:flex;flex-wrap:wrap;gap:8px;}
 .woocommerce-page table.cart td.actions .coupon input.input-text{width:min(100%,190px);}
 .woocommerce-page table.cart td.actions .button{float:none!important;margin:4px 0;}
 .woocommerce #payment #place_order {width:100%;}
 .ns-catalog-sidebar ul{grid-template-columns:1fr 1fr;}
}
@media (max-width:380px) {
 .ns-container{width:calc(100% - 20px);}
 .ns-brand-title{font-size:18px;}
 .ns-actions>a,.ns-menu-toggle{min-width:34px;padding:5px;}
 .ns-action-label{display:none;}
 .ns-kit-products{grid-template-columns:1fr 1fr;gap:8px;}
 .ns-kit-product{padding:8px;}
 .ns-mini-banner>img{width:44%;}
 .ns-grades-grid{grid-template-columns:1fr 1fr;}
 .ns-grade-card{padding:12px;min-height:190px;}
 .ns-category-card img{height:95px;}
}
@media (prefers-reduced-motion:reduce){.ns-header *,.ns-home *,.ns-product-card{scroll-behavior:auto;}}

/* Safe navigation fallback when JavaScript is blocked. */
@media(max-width:850px){.ns-primary-nav:not(.open){display:block}.ns-js-ready .ns-primary-nav:not(.open){display:none}.ns-primary-nav.open{display:block}.ns-js-ready .ns-primary-nav[aria-hidden="true"]{display:none}}
/* Keep header utilities beside the logo on phones; search occupies row two. */
@media(max-width:850px){
 .ns-header-top>.ns-brand{grid-column:1;grid-row:1;}
 .ns-header-top>.ns-actions{grid-column:2;grid-row:1;}
 .ns-header-top>.ns-search{grid-column:1/-1;grid-row:2;}
}