/* Ketabbin Design System 4.1 — authoritative public presentation layer. */
@font-face{font-family:Vazirmatn;src:url(../fonts/vazirmatn-arabic-variable.woff2) format("woff2");font-style:normal;font-weight:100 900;font-display:swap}
:root{
 --kb-gold:#fba90b;--kb-gold-strong:#d99000;--kb-gold-soft:#fff2cc;--kb-navy:#071b2e;--kb-navy-2:#0d2a43;
 --kb-ink:#102238;--kb-muted:#647184;--kb-canvas:#f4ecdf;--kb-surface:#fffdf8;--kb-surface-2:#faf3e7;
 --kb-line:#e5d3b8;--kb-line-strong:#cfa24d;--kb-positive:#15734b;--kb-danger:#a93333;
 --kb-shadow-1:0 8px 24px rgba(19,31,45,.07);--kb-shadow-2:0 22px 60px rgba(15,27,39,.13);
 --kb-radius-sm:12px;--kb-radius:18px;--kb-radius-lg:26px;--kb-shell:min(1440px,calc(100% - 48px));
 --kb-control:44px;--kb-ease:cubic-bezier(.2,.75,.25,1);color-scheme:light;
}
html[data-theme="dark"],body.dark-mode{--kb-ink:#fff8eb;--kb-muted:#aeb9c5;--kb-canvas:#061321;--kb-surface:#0b2135;--kb-surface-2:#102a41;--kb-line:#29435a;--kb-line-strong:#9d772e;--kb-gold-soft:#352a15;--kb-shadow-1:0 10px 28px rgba(0,0,0,.25);--kb-shadow-2:0 24px 70px rgba(0,0,0,.4);color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--kb-canvas);color:var(--kb-ink);font-family:Vazirmatn,Tahoma,sans-serif;font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(circle at 12% 9%,rgba(251,169,11,.11),transparent 23rem),radial-gradient(circle at 90% 40%,rgba(7,27,46,.07),transparent 30rem),linear-gradient(125deg,transparent 0 49.8%,rgba(207,162,77,.06) 50%,transparent 50.2%)}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.kb-shell{width:var(--kb-shell);margin-inline:auto}.kb-main,main{min-width:0}h1,h2,h3,h4{font-weight:800;line-height:1.35;letter-spacing:-.025em}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:3px}:focus-visible{outline:3px solid color-mix(in srgb,var(--kb-gold) 65%,#2679ad)}
.button,.kb-button,button[type="submit"],input[type="submit"],.kb-card-purchase-action{min-height:var(--kb-control);border:1px solid var(--kb-gold-strong);border-radius:var(--kb-radius-sm);background:linear-gradient(135deg,var(--kb-gold),#e6a21b);color:#071b2e;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;box-shadow:0 8px 20px rgba(217,144,0,.18);transition:transform .2s var(--kb-ease),box-shadow .2s var(--kb-ease),filter .2s}.button:hover,.kb-button:hover,button[type="submit"]:hover,.kb-card-purchase-action:hover{transform:translateY(-2px);filter:saturate(1.05);box-shadow:0 12px 28px rgba(217,144,0,.26)}
.kb-button--outline{background:transparent;color:var(--kb-ink);border-color:var(--kb-line-strong);box-shadow:none}
input,select,textarea{min-height:var(--kb-control);border:1px solid var(--kb-line);border-radius:var(--kb-radius-sm);background:var(--kb-surface);color:var(--kb-ink);padding:10px 14px}

/* Header: desktop logo right, search center, actions left. */
.kb-commerce-header{position:sticky;top:0;z-index:90;background:color-mix(in srgb,var(--kb-surface) 94%,transparent);border-bottom:1px solid var(--kb-line);backdrop-filter:blur(18px);box-shadow:0 6px 22px rgba(12,27,42,.05)}
.admin-bar .kb-commerce-header{top:32px}.kb-commerce-head{min-height:82px;display:grid;grid-template-columns:minmax(200px,270px) minmax(300px,1fr) minmax(170px,240px);grid-template-areas:"actions search brand";align-items:center;gap:24px;direction:ltr}.kb-commerce-head>*{direction:rtl}.kb-brand{grid-area:brand;justify-self:end}.kb-motion-logo{width:150px;max-height:72px}.kb-default-logo{display:block}.kb-default-logo img,.custom-logo{display:block;width:auto;max-width:150px;height:70px;object-fit:contain}.kb-default-logo__light{display:none}html[data-theme="dark"] .kb-default-logo__dark{display:none}html[data-theme="dark"] .kb-default-logo__light{display:block}
.kb-commerce-search{grid-area:search;position:relative;display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid var(--kb-line);border-radius:16px;background:var(--kb-surface-2);padding:4px 8px 4px 5px;box-shadow:inset 0 1px rgba(255,255,255,.45)}.kb-commerce-search input{border:0;background:transparent;min-width:0;width:100%;box-shadow:none}.kb-command-search__submit{min-width:98px}.kb-command-search__close{display:none}.kb-search-results{position:absolute;inset:calc(100% + 8px) 0 auto;max-height:min(65vh,520px);overflow:auto;background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:16px;box-shadow:var(--kb-shadow-2);padding:8px}
.kb-command-primary-actions{grid-area:actions;justify-self:end;display:flex;align-items:center;gap:8px;direction:rtl}.kb-command-primary-actions>a,.kb-command-primary-actions>button,.kb-command-search-launch button{min-width:44px;min-height:44px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--kb-ink);display:grid;place-items:center;position:relative}.kb-command-primary-actions svg{width:23px;height:23px}.kb-command-account__label{font-size:12px;font-weight:700}.kb-header-count{position:absolute;inset:-3px auto auto -3px;min-width:19px;height:19px;border-radius:20px;background:var(--kb-gold);color:#071b2e;font:800 11px/19px Vazirmatn;text-align:center;font-style:normal}.kb-command-search-launch{display:none}
.kb-commerce-nav-wrap{border-top:1px solid color-mix(in srgb,var(--kb-line) 70%,transparent)}.kb-commerce-nav{min-height:48px;display:flex;align-items:center;gap:10px}.kb-reference-primary-menu{flex:1;min-width:0}.kb-reference-primary-menu ul{display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:0;list-style:none;overflow-x:auto;scrollbar-width:none}.kb-commerce-nav a,.kb-commerce-nav button{min-height:40px;white-space:nowrap;padding:7px 14px;border-radius:10px;font-weight:700;color:var(--kb-muted)}.kb-commerce-nav a:hover,.kb-commerce-nav .current-menu-item>a{color:var(--kb-ink);background:var(--kb-gold-soft)}.kb-category-toggle{background:var(--kb-gold);color:#071b2e;border:1px solid var(--kb-gold-strong)}.kb-command-quick-theme{display:flex;gap:4px}.kb-command-quick-theme button{width:40px;padding:7px;border:1px solid var(--kb-line);background:var(--kb-surface)}.kb-category-mega{position:absolute;right:50%;transform:translateX(50%);top:100%;padding:22px;background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:0 0 20px 20px;box-shadow:var(--kb-shadow-2);display:grid;grid-template-columns:240px 1fr;gap:22px}.kb-category-mega[hidden]{display:none}.kb-category-mega__intro{padding:18px;background:var(--kb-navy);color:#fff8eb;border-radius:14px}.kb-category-mega__intro strong,.kb-category-mega__intro small,.kb-category-mega__intro a{display:block;margin-top:8px}.kb-category-mega__links{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.kb-category-mega__links a{display:flex;gap:9px;padding:9px;border:1px solid var(--kb-line);border-radius:11px}.kb-category-mega__links a>span{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:var(--kb-gold-soft);color:var(--kb-gold-strong);font-weight:800}.kb-category-mega__links strong,.kb-category-mega__links small{display:block}.kb-category-mega__links small{color:var(--kb-muted)}

/* Home narrative. */
.kb-story-rail{margin-block:24px 18px;padding:18px 22px;border:1px solid var(--kb-line);border-radius:var(--kb-radius-lg);background:var(--kb-surface);box-shadow:var(--kb-shadow-1);display:flex;align-items:center;gap:24px;min-height:134px}.kb-story-rail__title{flex:0 0 190px}.kb-story-rail__title h2{font-size:24px;margin:0}.kb-story-rail__title small{color:var(--kb-gold-strong);font-weight:700}.kb-story-list{display:flex;gap:18px;overflow-x:auto;padding:3px;scrollbar-width:thin}.kb-story{flex:0 0 88px;border:0;background:transparent;color:var(--kb-ink);text-align:center;padding:0}.kb-story>span,.kb-story>i{width:76px;height:76px;margin:auto;display:grid;place-items:center;border-radius:50%;padding:3px;background:linear-gradient(145deg,var(--kb-gold),var(--kb-line-strong));box-shadow:0 8px 22px rgba(217,144,0,.2)}.kb-story img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:3px solid var(--kb-surface)}.kb-story small{display:block;margin-top:7px;font-weight:700;line-height:1.45}.kb-story--placeholder i{font-style:normal;background:radial-gradient(circle at 30% 25%,#fff1bd,var(--kb-gold) 35%,var(--kb-navy) 37%);color:#fff}
.kb-reference-hero{min-height:500px;border:1px solid var(--kb-line-strong);border-radius:var(--kb-radius-lg);overflow:hidden;background:linear-gradient(110deg,color-mix(in srgb,var(--kb-surface) 90%,var(--kb-gold-soft)),var(--kb-surface-2));display:grid;grid-template-columns:1fr 1.05fr;align-items:center;position:relative;box-shadow:var(--kb-shadow-2)}.kb-reference-hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(251,169,11,.42) 1px,transparent 1.5px);background-size:48px 48px;mask-image:linear-gradient(to bottom,transparent,#000 35%,transparent);opacity:.45}.kb-reference-hero__copy{padding:clamp(32px,5vw,80px);position:relative;z-index:1}.kb-reference-hero h1{font-size:clamp(38px,4.4vw,68px);margin:0 0 16px;max-width:650px}.kb-reference-hero p{font-size:clamp(17px,1.5vw,23px);color:var(--kb-muted);margin:0 0 28px}.kb-reference-hero__button{min-height:52px;display:inline-flex;align-items:center;gap:10px;background:var(--kb-gold);border:1px solid var(--kb-gold-strong);border-radius:13px;color:#071b2e;font-weight:800;padding:11px 22px;box-shadow:0 14px 30px rgba(217,144,0,.22)}.kb-reference-hero__visual{align-self:end;z-index:1}.kb-reference-hero__visual img{display:block;width:100%;max-height:470px;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 20px 22px rgba(14,26,39,.18))}
.kb-reference-category-rail{margin-block:14px 24px;padding:10px;border:1px solid var(--kb-line);border-radius:16px;background:var(--kb-surface);display:flex;gap:8px;overflow-x:auto}.kb-reference-category-rail a{min-height:42px;flex:1 0 max-content;display:flex;align-items:center;justify-content:center;gap:8px;padding:7px 15px;border:1px solid var(--kb-line);border-radius:11px;font-weight:700}.kb-reference-category-rail__all{border-color:var(--kb-gold-strong);color:var(--kb-gold-strong)}
.kb-reference-feature-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(300px,.92fr);gap:22px}.kb-reference-offers,.kb-reference-daily,.kb-product-section,.kb-category-showcase,.kb-magazine-preview{background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:var(--kb-radius-lg);box-shadow:var(--kb-shadow-1)}.kb-reference-offers{padding:24px}.kb-reference-offers>header,.kb-store-section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;border-bottom:1px solid var(--kb-line);padding-bottom:15px;margin-bottom:20px}.kb-reference-offers h2,.kb-store-section-head h2{font-size:clamp(26px,3vw,42px);margin:0}.kb-reference-offers nav{display:flex;gap:8px}.kb-reference-offers nav a,.kb-store-section-head>a{border:1px solid var(--kb-line);border-radius:10px;padding:7px 12px;font-weight:700}.kb-reference-offers__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.kb-reference-daily{overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}.kb-reference-daily__copy{padding:30px}.kb-reference-daily h2{font-size:28px;margin:8px 0}.kb-reference-daily p{color:var(--kb-muted)}.kb-reference-daily img{width:100%;max-height:310px;object-fit:contain;object-position:center bottom}
.kb-service-strip{margin-block:24px;display:grid;grid-template-columns:repeat(4,1fr);background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:18px}.kb-service-strip>div{padding:18px;display:flex;align-items:center;justify-content:center;gap:12px;border-inline-start:1px solid var(--kb-line)}.kb-service-strip>div:first-child{border-inline-start:0}.kb-service-strip svg{width:30px;color:var(--kb-gold-strong)}.kb-service-strip strong,.kb-service-strip small{display:block}.kb-service-strip small{color:var(--kb-muted)}
.kb-product-section,.kb-category-showcase,.kb-magazine-preview{width:var(--kb-shell);margin:24px auto;padding:clamp(18px,2.4vw,32px)}.kb-store-section-head span,.kb-kicker{color:var(--kb-gold-strong);font-weight:800}.kb-product-rail-wrap{position:relative}.kb-product-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(235px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 10px;scrollbar-width:thin}.kb-rail-control{position:absolute;z-index:4;top:42%;width:44px;height:44px;border-radius:50%;border:1px solid var(--kb-line-strong);background:var(--kb-surface);color:var(--kb-ink)}[data-kb-rail-prev]{right:-22px}[data-kb-rail-next]{left:-22px}
.kb-category-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.kb-category-grid>a{padding:18px 12px;text-align:center;border:1px solid var(--kb-line);border-radius:16px;background:var(--kb-surface-2);transition:transform .2s var(--kb-ease),box-shadow .2s}.kb-category-grid>a:hover{transform:translateY(-4px);box-shadow:var(--kb-shadow-1)}.kb-category-grid>a>span{width:88px;height:88px;margin:auto;display:block;border-radius:50%;overflow:hidden;border:2px solid var(--kb-line-strong);background:var(--kb-gold-soft)}.kb-category-grid img{width:100%;height:100%;object-fit:cover}.kb-category-grid strong,.kb-category-grid small{display:block;margin-top:8px}.kb-category-grid small{color:var(--kb-muted)}
.kb-promo-mosaic{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-block:24px}.kb-promo-card{min-height:250px;position:relative;overflow:hidden;border-radius:var(--kb-radius-lg);border:1px solid var(--kb-line-strong);background:var(--kb-navy);color:#fff8eb;box-shadow:var(--kb-shadow-2)}.kb-promo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;transition:transform .7s var(--kb-ease)}.kb-promo-card:hover img{transform:scale(1.04)}.kb-promo-card>span{position:absolute;inset:0;padding:34px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;background:linear-gradient(0deg,rgba(3,17,30,.85),transparent)}.kb-promo-card strong{font-size:30px}.kb-epub-commerce,.kb-community-commerce{width:var(--kb-shell);margin:24px auto;display:grid;grid-template-columns:1fr 1fr;min-height:360px;border-radius:var(--kb-radius-lg);overflow:hidden;background:var(--kb-navy);color:#fff8eb;border:1px solid var(--kb-line-strong)}.kb-epub-commerce>div,.kb-community-commerce>div{padding:clamp(30px,5vw,70px)}.kb-epub-commerce h2,.kb-community-commerce h2{font-size:clamp(30px,4vw,54px)}.kb-epub-commerce__books{display:flex;align-items:center;justify-content:center;gap:0;background:radial-gradient(circle,rgba(251,169,11,.15),transparent 65%)}.kb-epub-commerce__books a{width:28%;margin-inline:-3%;transform:rotate(var(--r,2deg));filter:drop-shadow(0 15px 18px #0008)}.kb-epub-commerce__books a:nth-child(2){transform:translateY(-20px)}
.kb-article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.kb-article-card{border:1px solid var(--kb-line);border-radius:16px;overflow:hidden;background:var(--kb-surface-2)}.kb-article-card__image{display:block;aspect-ratio:16/10;background:var(--kb-navy)}.kb-article-card__image img{width:100%;height:100%;object-fit:cover}.kb-article-card>div{padding:18px}.kb-article-card h3{font-size:21px}.kb-article-card p{color:var(--kb-muted)}

/* One product card in all contexts. */
.kb-store-card{--kb-tilt-x:0deg;--kb-tilt-y:0deg;position:relative;min-width:0;scroll-snap-align:start;border:1px solid var(--kb-line);border-radius:18px;background:var(--kb-surface-2);padding:10px;display:grid;grid-template-rows:auto 1fr;transform:perspective(900px) rotateX(var(--kb-tilt-x)) rotateY(var(--kb-tilt-y));transform-style:preserve-3d;transition:transform .25s var(--kb-ease),box-shadow .25s,border-color .25s}.kb-store-card:hover{border-color:var(--kb-line-strong);box-shadow:var(--kb-shadow-2)}.kb-store-card__image{display:grid;place-items:center;aspect-ratio:4/4.7;border-radius:14px;overflow:hidden;background:color-mix(in srgb,var(--kb-surface-2) 82%,var(--kb-gold-soft));padding:12px}.kb-store-card__image img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(15,24,34,.18))}.kb-store-card__badges{position:absolute;z-index:3;top:15px;right:15px;display:flex;gap:6px}.kb-sale-star{width:62px;aspect-ratio:1;clip-path:polygon(50% 0,61% 16%,79% 8%,82% 28%,100% 33%,87% 49%,100% 66%,80% 72%,78% 92%,60% 84%,50% 100%,39% 84%,20% 92%,18% 72%,0 66%,13% 49%,0 33%,18% 28%,21% 8%,39% 16%);background:var(--kb-gold);color:#071b2e;display:grid;place-content:center;text-align:center;line-height:1.1}.kb-sale-star b{font-size:17px}.kb-sale-star small{font-size:9px}.kb-wishlist-button,.kb-store-star{position:absolute;z-index:4;top:16px;left:16px}.kb-wishlist-button{width:40px;height:40px;border:1px solid var(--kb-line);border-radius:50%;background:var(--kb-surface);color:var(--kb-ink);padding:8px}.kb-store-star{top:62px}.kb-store-card__body{min-width:0;padding:14px 6px 4px;display:flex;flex-direction:column}.kb-store-card__body>small{color:var(--kb-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kb-store-card h3{font-size:18px;line-height:1.6;margin:5px 0;min-height:58px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.kb-store-card__identity{font-size:13px;color:var(--kb-muted);margin:0 0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kb-store-card__meta{display:flex;justify-content:space-between;gap:8px;color:var(--kb-muted);font-size:13px}.kb-rating{color:var(--kb-gold-strong)}.kb-store-card__price{min-height:42px;display:flex;align-items:center;gap:8px;margin-block:7px;font-variant-numeric:tabular-nums;font-weight:800;color:var(--kb-gold-strong)}.kb-store-card__price del{color:var(--kb-muted);font-size:12px;font-weight:500}.kb-server-cart-form{margin-top:auto;min-width:0}.kb-store-card__buy{width:100%;min-width:0;min-height:46px;text-align:center;white-space:normal;padding:8px 10px;line-height:1.5}.kb-store-card .kbc-library-button,.kb-store-card [data-kbc-library]{width:100%;min-width:0;min-height:44px;margin-top:8px;border:1px solid var(--kb-line);border-radius:11px;background:var(--kb-surface);color:var(--kb-ink);font-weight:700;white-space:normal;padding:7px 9px}.kb-format-badge{background:var(--kb-navy);color:#fff8eb;border-radius:8px;padding:5px 8px;font-size:11px;font-weight:800}

/* Shop and filters: sidebar remains on the visual right in RTL. */
.woocommerce.archive .site-main,.post-type-archive-product .site-main{width:var(--kb-shell);margin-inline:auto}.kb-discovery-layout{display:grid;grid-template-columns:minmax(250px,310px) minmax(0,1fr);grid-template-areas:"filter results";gap:22px;align-items:start;direction:rtl}.kb-filter-panel{grid-area:filter;position:sticky;top:150px;max-height:calc(100vh - 175px);overflow:auto;background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:18px;padding:18px;box-shadow:var(--kb-shadow-1)}.kb-discovery-results{grid-area:results;min-width:0}.kb-filter-panel__head{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--kb-line);padding-bottom:12px}.kb-filter-panel__head h2{margin:0}.kb-filter-panel__head span{color:var(--kb-gold-strong);font-weight:700}.kb-filter-panel__head button{display:none}.kb-book-filters details{border-bottom:1px solid var(--kb-line);padding-block:10px}.kb-book-filters summary{cursor:pointer;font-weight:800}.kb-filter-stack,.kb-filter-price{display:grid;gap:8px;margin-top:10px}.kb-filter-price{grid-template-columns:1fr 1fr}.kb-book-filters label span{display:block}.kb-book-filters input,.kb-book-filters select{width:100%}.kb-check{display:flex;align-items:center;gap:8px}.kb-check input{width:20px;min-height:20px}.kb-filter-launch{display:none}.kb-active-filters{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.woocommerce ul.products,.woocommerce-page ul.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.woocommerce ul.products:before,.woocommerce ul.products:after{display:none}.woocommerce ul.products li.product{width:auto;margin:0;float:none}

/* Product detail and editorial content. */
.kb-main--product{width:var(--kb-shell);margin:30px auto}.single-product div.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.9fr);gap:clamp(28px,5vw,76px);align-items:start;background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:var(--kb-radius-lg);padding:clamp(18px,3vw,42px);box-shadow:var(--kb-shadow-1)}.single-product div.product .woocommerce-product-gallery{width:auto;float:none;position:sticky;top:155px;min-width:0}.single-product .woocommerce-product-gallery__wrapper{border-radius:20px;overflow:hidden;background:var(--kb-surface-2)}.single-product .woocommerce-product-gallery img{width:100%;max-height:680px;object-fit:contain}.single-product div.product .summary{width:auto;float:none;margin:0;min-width:0}.single-product .product_title{font-size:clamp(30px,3vw,48px);margin-top:0}.single-product .price{font-size:26px;color:var(--kb-gold-strong);font-weight:800;font-variant-numeric:tabular-nums}.kb-book-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.kb-book-facts>div{padding:12px;border:1px solid var(--kb-line);border-radius:12px;background:var(--kb-surface-2)}.kb-book-facts dt{font-size:12px;color:var(--kb-muted)}.kb-book-facts dd{margin:2px 0 0;font-weight:700}.single-product form.cart{display:grid;grid-template-columns:80px minmax(0,1fr);gap:10px;padding:16px;border:1px solid var(--kb-line);border-radius:16px;background:var(--kb-surface-2)}.single-product form.cart .button{width:100%;min-width:0;min-height:50px}.woocommerce-tabs{grid-column:1/-1;min-width:0}.woocommerce-tabs ul.tabs{display:flex;gap:6px;overflow-x:auto;border-bottom:1px solid var(--kb-line)}.woocommerce-tabs ul.tabs li{border:0;background:transparent;margin:0}.woocommerce-tabs ul.tabs li a{display:block;padding:12px 16px}.woocommerce-tabs ul.tabs li.active a{color:var(--kb-gold-strong);border-bottom:3px solid var(--kb-gold)}.woocommerce-Tabs-panel,.entry-content,.kb-article-content{max-width:76ch;font-size:17px;line-height:2;margin-inline:auto}.woocommerce-Tabs-panel h2,.entry-content h2{margin-top:1.7em}.woocommerce-Tabs-panel p,.entry-content p{color:color-mix(in srgb,var(--kb-ink) 88%,var(--kb-muted))}
.site-main>.page,.site-main>.post,.kb-page-hero,.kb-content-card{width:var(--kb-shell);margin:26px auto;background:var(--kb-surface);border:1px solid var(--kb-line);border-radius:var(--kb-radius-lg);padding:clamp(22px,4vw,56px);box-shadow:var(--kb-shadow-1)}

/* Footer and utility surfaces. */
.kb-commerce-footer{margin-top:64px;background:linear-gradient(145deg,var(--kb-navy),var(--kb-navy-2));color:#fff8eb;border-top:1px solid var(--kb-line-strong)}.kb-commerce-footer a{color:#fff8eb}.kb-footer-trust{display:grid;grid-template-columns:repeat(4,1fr);padding-block:22px;border-bottom:1px solid #ffffff20}.kb-footer-trust>div{display:flex;align-items:center;gap:10px;justify-content:center}.kb-footer-trust svg{width:29px;color:var(--kb-gold)}.kb-footer-trust strong,.kb-footer-trust small{display:block}.kb-footer-trust small{color:#aeb9c5}.kb-footer-main{display:grid;grid-template-columns:1.35fr .8fr .8fr 1.25fr .65fr;gap:28px;padding-block:44px}.kb-footer-main>div{display:flex;flex-direction:column;gap:8px}.kb-footer-logo img{width:145px}.kb-newsletter form{display:grid;grid-template-columns:1fr auto;gap:7px}.kb-newsletter-consent{grid-column:1/-1;display:flex;align-items:start;gap:7px;font-size:12px;color:#aeb9c5}.kb-newsletter-consent input{width:18px;min-height:18px}.kb-footer-enamad img{max-width:90px;background:#fff;border-radius:10px}.kb-footer-bottom{display:flex;justify-content:space-between;padding-block:18px;border-top:1px solid #ffffff20;color:#aeb9c5}.kb-mobile-store-nav{display:none}.kb-support-widget{z-index:82}.kb-reveal{opacity:0;transform:translateY(14px)}.kb-reveal.is-visible{opacity:1;transform:none;transition:opacity .55s var(--kb-ease),transform .55s var(--kb-ease)}

@media(max-width:1100px){:root{--kb-shell:min(100% - 32px,1050px)}.kb-commerce-head{grid-template-columns:155px 1fr 190px;gap:14px}.kb-reference-offers__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kb-category-grid{grid-template-columns:repeat(4,1fr)}.kb-article-grid{grid-template-columns:repeat(2,1fr)}.woocommerce ul.products,.woocommerce-page ul.products{grid-template-columns:repeat(2,minmax(0,1fr))}.kb-footer-main{grid-template-columns:1.2fr 1fr 1fr}.kb-footer-enamad{grid-column:auto}.kb-category-mega__links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:782px){:root{--kb-shell:calc(100% - 24px);--kb-control:48px}.admin-bar .kb-commerce-header{top:0}.kb-commerce-header{position:relative}.kb-commerce-head{min-height:82px;padding-block:8px;display:grid;grid-template-columns:52px 1fr 52px;grid-template-areas:"account brand search";gap:8px;direction:ltr}.kb-commerce-head>*{direction:rtl}.kb-brand{grid-area:brand;justify-self:center}.kb-motion-logo,.kb-default-logo img,.custom-logo{max-width:128px;height:62px}.kb-command-primary-actions{display:contents}.kb-command-account{grid-area:account}.kb-command-search-launch{grid-area:search;display:block}.kb-command-primary-actions>.kb-wishlist-link,.kb-command-primary-actions>.kb-cart-link{display:none}.kb-command-account__label{display:none}.kb-commerce-search{position:fixed;z-index:110;top:84px;right:12px;left:12px;display:none;grid-template-columns:24px 1fr 48px;background:var(--kb-surface);box-shadow:var(--kb-shadow-2)}.kb-commerce-header.is-search-open .kb-commerce-search,.kb-commerce-search.is-open{display:grid}.kb-command-search__submit{font-size:0;min-width:48px}.kb-command-search__submit:after{content:"←";font-size:20px}.kb-commerce-nav{min-height:60px;overflow-x:auto;padding-inline:12px}.kb-commerce-nav a,.kb-commerce-nav button{min-height:48px;border:1px solid var(--kb-line);background:var(--kb-surface);padding-inline:13px}.kb-reference-primary-menu{display:block;flex:0 0 auto}.kb-reference-primary-menu ul{justify-content:start}.kb-command-quick-theme{order:3}.kb-category-mega{position:fixed;z-index:112;inset:148px 0 auto;width:100%;transform:none;max-height:calc(100vh - 150px);overflow:auto;border-radius:0 0 18px 18px;grid-template-columns:1fr}.kb-category-mega__links{grid-template-columns:1fr 1fr}.kb-story-rail{display:block;margin-top:14px;padding:16px}.kb-story-rail__title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.kb-story-rail__title h2{font-size:21px}.kb-story-list{gap:12px}.kb-story{flex-basis:76px}.kb-story>span,.kb-story>i{width:66px;height:66px}.kb-reference-hero{min-height:0;grid-template-columns:1fr;padding-top:12px}.kb-reference-hero__copy{text-align:center;padding:28px 20px 8px}.kb-reference-hero h1{font-size:clamp(32px,10vw,48px)}.kb-reference-hero__visual img{max-height:330px}.kb-reference-category-rail{margin-bottom:16px}.kb-reference-feature-grid{grid-template-columns:1fr}.kb-reference-offers{padding:16px}.kb-reference-offers__grid{gap:10px}.kb-reference-daily{min-height:430px}.kb-service-strip{grid-template-columns:1fr 1fr}.kb-service-strip>div:nth-child(3){border-inline-start:0}.kb-product-section,.kb-category-showcase,.kb-magazine-preview{padding:18px 12px}.kb-store-section-head{align-items:start}.kb-store-section-head h2{font-size:29px}.kb-category-grid{grid-template-columns:repeat(2,1fr)}.kb-promo-mosaic{grid-template-columns:1fr}.kb-promo-card{min-height:230px}.kb-epub-commerce,.kb-community-commerce{grid-template-columns:1fr}.kb-epub-commerce__books{min-height:280px}.kb-article-grid{grid-template-columns:1fr}.kb-product-rail{grid-auto-columns:minmax(220px,76vw)}.kb-discovery-layout{display:block}.kb-filter-panel{position:fixed;z-index:120;inset:0 0 0 auto;width:min(88vw,380px);max-height:none;border-radius:20px 0 0 20px;transform:translateX(105%);transition:transform .28s var(--kb-ease)}.kb-filter-panel.is-open{transform:none}.kb-filter-panel__head button,.kb-filter-launch{display:inline-flex}.kb-filter-launch{margin-bottom:12px}.single-product div.product{grid-template-columns:1fr;padding:14px;gap:20px}.single-product div.product .woocommerce-product-gallery{position:relative;top:auto}.single-product .product_title{font-size:31px}.woocommerce-tabs{grid-column:auto}.kb-footer-trust{grid-template-columns:1fr 1fr}.kb-footer-main{grid-template-columns:1fr 1fr}.kb-mobile-store-nav{position:fixed;z-index:88;right:8px;left:8px;bottom:max(8px,env(safe-area-inset-bottom));min-height:72px;border:1px solid var(--kb-line);border-radius:22px;background:color-mix(in srgb,var(--kb-surface) 94%,transparent);backdrop-filter:blur(16px);box-shadow:var(--kb-shadow-2);display:grid;grid-template-columns:repeat(5,1fr);padding:5px}.kb-mobile-store-nav a,.kb-mobile-store-nav button{border:0;background:transparent;display:grid;place-items:center;gap:1px;font-size:11px;color:var(--kb-muted);text-align:center;padding:4px;min-width:0}.kb-mobile-store-nav svg{width:25px;height:25px}.kb-mobile-store-nav .is-current{color:var(--kb-gold-strong)}body{padding-bottom:92px}}
@media(max-width:480px){:root{--kb-shell:calc(100% - 16px)}body{font-size:15px}.kb-motion-logo,.kb-default-logo img,.custom-logo{max-width:112px}.kb-reference-offers__grid,.woocommerce ul.products,.woocommerce-page ul.products{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.kb-store-card{padding:7px;border-radius:15px}.kb-store-card__image{padding:7px;aspect-ratio:4/5}.kb-store-card h3{font-size:15px;min-height:50px}.kb-store-card__meta{font-size:11px}.kb-store-card__price{font-size:14px}.kb-store-card__buy,.kb-store-card .kbc-library-button,.kb-store-card [data-kbc-library]{font-size:13px;padding-inline:6px}.kb-sale-star{width:53px}.kb-wishlist-button{width:36px;height:36px}.kb-reference-offers>header{display:block}.kb-reference-offers nav{margin-top:10px}.kb-service-strip{grid-template-columns:1fr}.kb-service-strip>div{border-inline-start:0;border-top:1px solid var(--kb-line)}.kb-service-strip>div:first-child{border-top:0}.kb-book-facts{grid-template-columns:1fr}.single-product form.cart{grid-template-columns:66px minmax(0,1fr)}.kb-footer-trust,.kb-footer-main{grid-template-columns:1fr}.kb-footer-bottom{display:block}.kb-category-mega__links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms;animation-iteration-count:1;transition-duration:.01ms}.kb-reveal{opacity:1;transform:none}.kb-store-card{transform:none}}
@media(forced-colors:active){.kb-store-card,.kb-filter-panel,.kb-reference-hero,.kb-story-rail,.kb-product-section{border:1px solid CanvasText}.button,.kb-button,.kb-card-purchase-action{border:2px solid ButtonText}.kb-sale-star{clip-path:none;border-radius:50%}}