:root{--blue:#0b4da2;--blue-dark:#063783;--ink:#17364e;--muted:#60758a;--orange:#1ab5eb;--yellow:#ffc51b;--teal:#45c83f;--cream:#fff9dc;--line:#dceaf1;--white:#fff;--shadow:0 18px 55px rgba(6,55,131,.13);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans Arabic","Segoe UI",Tahoma,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}button,input,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}.site-header{height:78px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:10px;font-size:1.55rem;font-weight:900;color:var(--blue-dark)}.brand-mark{position:relative;width:39px;height:39px;border-radius:13px;background:var(--blue);display:inline-block}.brand-mark:before,.brand-mark:after{content:"";position:absolute;top:10px;width:12px;height:18px;background:#fff}.brand-mark:before{right:7px;border-radius:2px 8px 3px 2px;transform:skewY(8deg)}.brand-mark:after{left:7px;border-radius:8px 2px 2px 3px;transform:skewY(-8deg)}.brand-mark span{position:absolute;width:3px;height:21px;background:var(--yellow);top:9px;right:18px;z-index:2;border-radius:3px}.desktop-nav{display:flex;gap:34px;font-size:.95rem;font-weight:700}.desktop-nav a{position:relative}.desktop-nav a:hover{color:var(--blue)}.desktop-nav a:first-child:after{content:"";position:absolute;bottom:-9px;right:0;width:22px;height:3px;background:var(--orange);border-radius:4px}.header-actions{display:flex;align-items:center;gap:10px}.text-button,.icon-button,.category,.link-button{border:0;background:none;color:var(--ink)}.text-button{font-weight:700;padding:9px 12px}.primary{border:0;background:var(--blue);color:#fff;padding:13px 22px;border-radius:13px;font-weight:800;box-shadow:0 8px 18px rgba(22,67,183,.2)}.primary:hover{background:#0f3599}.primary.small{padding:10px 17px}.icon-button{position:relative;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#f3f5fa}.icon-button svg{width:21px;fill:none;stroke:currentColor;stroke-width:1.8}.cart-count{position:absolute;top:-4px;left:-3px;background:var(--orange);color:#fff;width:19px;height:19px;border-radius:50%;font-size:.7rem;font-weight:900;display:grid;place-items:center}.hero{max-width:1240px;margin:10px auto 0;padding:44px 50px;min-height:450px;border-radius:34px;background:linear-gradient(135deg,#f3f6ff 0%,#fff8e8 100%);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;width:260px;height:260px;border:55px solid rgba(255,200,61,.24);border-radius:50%;right:-100px;top:-120px}.hero-copy{z-index:2}.eyebrow,.section-kicker{display:inline-block;color:var(--blue);font-size:.84rem;font-weight:900;letter-spacing:.02em;margin-bottom:9px}.hero h1{font-size:clamp(2.7rem,5vw,4.65rem);line-height:1.12;margin:0 0 16px;letter-spacing:-.035em}.hero h1 span{color:var(--blue)}.hero-copy>p{margin:0 0 24px;color:var(--muted);font-size:1.1rem}.search-box{height:62px;background:#fff;border:2px solid transparent;border-radius:16px;padding:6px 7px 6px 17px;display:flex;align-items:center;box-shadow:0 14px 32px rgba(20,33,61,.1);transition:.2s}.search-box:focus-within{border-color:var(--blue);box-shadow:0 14px 32px rgba(22,67,183,.15)}.search-box svg{width:24px;fill:none;stroke:var(--muted);stroke-width:2}.search-box input{flex:1;min-width:0;border:0;outline:0;background:none;padding:0 12px;color:var(--ink)}.search-box button{border:0;background:var(--orange);color:#fff;height:46px;padding:0 21px;border-radius:11px;font-weight:900}.quick-links{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:15px;font-size:.8rem;color:var(--muted)}.quick-links button{border:0;background:rgba(255,255,255,.75);padding:4px 9px;border-radius:20px;color:var(--blue);font-weight:700}.hero-visual{position:relative;height:340px;z-index:1}.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:27px;box-shadow:var(--shadow)}.floating-note{position:absolute;background:#fff;border-radius:15px;padding:12px 16px;box-shadow:0 12px 35px rgba(13,40,111,.18);display:flex;flex-direction:column;line-height:1.3}.floating-note strong{font-size:1rem;color:var(--blue-dark)}.floating-note span{font-size:.72rem;color:var(--muted)}.note-one{top:18px;right:-25px}.note-two{bottom:18px;left:-24px}.benefits{max-width:1120px;margin:-18px auto 56px;position:relative;z-index:3;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 24px;box-shadow:0 12px 35px rgba(20,33,61,.08);display:grid;grid-template-columns:repeat(4,1fr)}.benefits>div{display:flex;align-items:center;gap:12px;padding:2px 20px;border-left:1px solid var(--line)}.benefits>div:last-child{border:0}.benefit-icon{width:37px;height:37px;border-radius:11px;background:#edf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900}.benefits p{margin:0}.benefits strong,.benefits small{display:block}.benefits strong{font-size:.9rem}.benefits small{font-size:.72rem;color:var(--muted)}.catalog{max-width:1240px;margin:auto;padding:10px 28px 80px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-head h2,.teacher-banner h2{font-size:clamp(1.85rem,3vw,2.55rem);margin:0;line-height:1.3}.link-button{font-weight:800;color:var(--blue);padding:10px}.category-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}.category{white-space:nowrap;border:1px solid var(--line);border-radius:13px;padding:10px 15px;font-weight:700;background:#fff}.category span{display:inline-grid;place-items:center;min-width:25px;color:var(--blue);font-weight:900;margin-left:3px}.category:hover,.category.active{background:var(--blue);color:#fff;border-color:var(--blue)}.category.active span{color:var(--yellow)}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;margin:22px 0 16px}.catalog-toolbar p{color:var(--muted);font-size:.9rem}.filters{display:flex;gap:10px}.filters label{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--muted)}select{border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);padding:8px 10px;outline:0}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.product-card{border:1px solid var(--line);border-radius:19px;overflow:hidden;background:#fff;transition:.2s;outline:0}.product-card:hover,.product-card:focus-visible{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}.product-art{height:190px;position:relative;overflow:hidden;display:grid;place-items:center}.tag{position:absolute;top:13px;right:13px;background:var(--blue-dark);color:#fff;padding:5px 9px;border-radius:8px;font-size:.66rem;font-weight:800;z-index:2}.tag.new{background:var(--orange)}.art-letters{background:#ffe8cb}.paper-stack{display:flex;direction:rtl;transform:rotate(-4deg)}.paper-stack b{width:64px;height:88px;background:#fff;display:grid;place-items:center;margin:-4px;border:3px solid var(--blue);border-radius:12px;font-size:2.3rem;color:var(--blue);box-shadow:0 9px 16px rgba(20,33,61,.13)}.paper-stack b:nth-child(2){transform:translateY(-12px);border-color:var(--orange);color:var(--orange)}.art-math{background:#ccefed}.math-board{background:#fff;border-radius:16px;border:3px solid var(--teal);padding:22px 27px;display:flex;align-items:center;gap:13px;transform:rotate(3deg);box-shadow:0 12px 20px rgba(22,169,155,.18)}.math-board b{font-size:1.75rem}.math-board i{width:34px;height:5px;background:var(--yellow);border-radius:8px}.math-board em{font-style:normal;color:var(--orange);font-size:2.2rem}.art-class{background:#dae5ff}.banner{background:#fff;color:var(--blue);padding:14px 24px;border-radius:8px;font-size:1.35rem;font-weight:900;box-shadow:0 10px 22px rgba(22,67,183,.16);transform:rotate(-2deg)}.star{position:absolute;color:var(--yellow);font-size:1.7rem}.s1{top:27px;left:35px;transform:rotate(-20deg)}.s2{bottom:24px;right:35px}.pencil{position:absolute;bottom:18px;left:49px;font-size:2.2rem;color:var(--orange)}.art-science{background:#e4f3cf}.plant{display:flex;align-items:end;gap:15px;font-size:2.8rem}.plant span:nth-child(1){font-size:1.7rem}.plant span:nth-child(2){font-size:2.3rem}.art-shapes{background:#fff0c8}.shape{position:absolute;display:block}.circle{width:74px;height:74px;border-radius:50%;background:var(--orange);right:42px;top:40px}.square{width:68px;height:68px;border-radius:12px;background:var(--blue);left:44px;bottom:36px;transform:rotate(8deg)}.triangle{width:0;height:0;border-left:48px solid transparent;border-right:48px solid transparent;border-bottom:82px solid var(--teal);left:92px;top:37px;transform:rotate(-8deg)}.art-reading{background:#f0e4ff}.book{width:160px;background:#fff;padding:35px 20px 28px;border-radius:8px 18px 18px 8px;box-shadow:-12px 12px 0 #9b63d8;color:#7040a8;font-weight:900;transform:rotate(3deg);text-align:center}.art-table{background:#dff4ff}.number-cloud{background:#fff;border-radius:40% 60% 45% 55%;padding:27px;color:var(--blue);font-size:1.75rem;font-weight:900;box-shadow:18px -10px 0 var(--yellow),-18px 13px 0 var(--orange)}.art-weather{background:#dcedff;display:flex;gap:15px;font-size:2.8rem}.product-info{padding:15px}.meta{color:var(--blue);font-size:.72rem;font-weight:800}.product-info h3{font-size:.97rem;line-height:1.5;margin:5px 0 12px;min-height:47px}.author{display:flex;align-items:center;gap:7px;color:var(--muted)}.author>span:first-child{width:25px;height:25px;border-radius:50%;background:#edf2ff;color:var(--blue);display:grid;place-items:center;font-size:.7rem;font-weight:900}.author small{font-size:.69rem;flex:1}.rating{font-size:.68rem;color:#e99600}.product-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:13px;padding-top:11px;border-top:1px solid var(--line)}.product-bottom strong{font-size:1.05rem}.add-button{width:36px;height:36px;border-radius:11px;border:0;background:#eef3ff;color:var(--blue);font-size:1.3rem;font-weight:700}.add-button:hover{background:var(--blue);color:#fff}.empty-state{text-align:center;padding:60px 20px;background:#f7f8fc;border-radius:22px}.empty-state span{font-size:2.5rem;color:var(--blue)}.empty-state h3{margin:8px 0}.empty-state p{color:var(--muted)}.empty-state button{border:0;color:#fff;background:var(--blue);border-radius:10px;padding:10px 18px;font-weight:800}.teacher-banner{max-width:1184px;margin:0 auto 80px;background:var(--blue-dark);color:#fff;border-radius:30px;padding:45px 55px;display:grid;grid-template-columns:1fr .85fr;align-items:center;gap:40px;position:relative;overflow:hidden}.teacher-banner:before{content:"";position:absolute;width:290px;height:290px;border:58px solid rgba(255,200,61,.12);border-radius:50%;left:-100px;bottom:-180px}.section-kicker.light{color:var(--yellow)}.teacher-banner p{color:#cdd8ff;margin:10px 0 24px}.white-button{border:0;background:#fff;color:var(--blue);padding:12px 20px;border-radius:12px;font-weight:900}.teacher-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;position:relative}.teacher-steps>div{background:rgba(255,255,255,.09);padding:23px 10px;border:1px solid rgba(255,255,255,.13);border-radius:16px;text-align:center}.teacher-steps strong{width:34px;height:34px;border-radius:50%;background:var(--yellow);color:var(--blue-dark);display:grid;place-items:center;margin:0 auto 9px}.teacher-steps span{font-size:.8rem;font-weight:700}footer{border-top:1px solid var(--line);padding:35px 28px;max-width:1240px;margin:auto;display:flex;align-items:center;gap:24px;color:var(--muted);font-size:.84rem}.footer-brand{font-size:1.1rem}.footer-brand .brand-mark{transform:scale(.76);margin:-4px}footer p{flex:1}footer>div{display:flex;gap:18px}footer a:hover{color:var(--blue)}.modal-backdrop{position:fixed;inset:0;background:rgba(5,14,40,.55);backdrop-filter:blur(4px);z-index:50}.modal{position:fixed;z-index:51;top:50%;left:50%;transform:translate(-50%,-50%);width:min(430px,calc(100% - 36px));background:#fff;border-radius:24px;padding:34px;box-shadow:var(--shadow);text-align:center}.modal-close{position:absolute;top:12px;left:14px;border:0;background:#f2f3f7;width:34px;height:34px;border-radius:50%;font-size:1.35rem}.modal-badge{display:inline-block;background:#fff1df;color:#b85512;padding:6px 10px;border-radius:8px;font-size:.75rem;font-weight:900}.modal h2{margin:13px 0 5px}.modal p{color:var(--muted);margin:0 0 20px}.cart-panel{position:fixed;z-index:60;top:0;left:0;height:100%;width:min(410px,100%);background:#fff;box-shadow:15px 0 40px rgba(5,14,40,.2);transform:translateX(-105%);transition:.3s;display:flex;flex-direction:column}.cart-panel.open{transform:translateX(0)}.cart-head{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.cart-head h2{margin:0}.cart-close{border:0;background:#f1f3f8;width:38px;height:38px;border-radius:50%;font-size:1.4rem}.cart-items{padding:20px;overflow:auto;flex:1}.cart-empty{text-align:center;color:var(--muted);padding:70px 10px}.cart-empty span{font-size:2.5rem;color:var(--blue)}.cart-empty h3{color:var(--ink);margin:10px 0 0}.cart-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.cart-thumb{width:54px;height:54px;border-radius:11px;background:linear-gradient(135deg,#dbe6ff,#fff0cb);display:grid;place-items:center;color:var(--blue);font-weight:900}.cart-item div:nth-child(2){flex:1}.cart-item h4{margin:0;font-size:.85rem}.cart-item small{color:var(--muted)}.remove-item{border:0;background:none;color:#a33;font-size:1.2rem}.cart-footer{padding:20px 24px;border-top:1px solid var(--line)}.cart-footer>div{display:flex;justify-content:space-between;margin-bottom:14px}.checkout-button{width:100%}.toast{position:fixed;right:50%;bottom:25px;transform:translate(50%,30px);background:var(--blue-dark);color:#fff;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:80;font-size:.86rem;font-weight:700;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(50%,0)}[hidden]{display:none!important}
@media(max-width:980px){.desktop-nav{display:none}.hero{margin:6px 18px 0;padding:36px 30px;grid-template-columns:1fr 1fr;gap:25px}.hero h1{font-size:3.2rem}.benefits{margin:-14px 32px 45px}.benefits>div{padding:2px 10px}.product-grid{grid-template-columns:repeat(2,1fr)}.teacher-banner{margin:0 28px 65px}.login-button{display:none}}
@media(max-width:720px){.site-header{height:68px;padding:0 16px}.brand{font-size:1.25rem}.brand-mark{width:34px;height:34px}.header-actions{gap:5px}.sell-button.small{display:none}.hero{margin:0 10px;padding:30px 20px 22px;display:flex;flex-direction:column;align-items:stretch;border-radius:25px;gap:22px}.hero h1{font-size:2.7rem}.hero-copy>p{font-size:.96rem}.search-box{height:56px}.search-box button{height:42px;padding:0 15px}.hero-visual{height:220px}.note-one{right:8px;top:10px}.note-two{left:8px;bottom:10px}.benefits{margin:14px 10px 42px;padding:13px;grid-template-columns:repeat(2,1fr);gap:10px}.benefits>div{border:0!important;padding:4px}.catalog{padding:5px 15px 58px}.section-head{align-items:center}.section-head .link-button{display:none}.category-row{margin-left:-15px;margin-right:-15px;padding-right:15px}.catalog-toolbar{align-items:flex-start;gap:8px}.catalog-toolbar>p{display:none}.filters{width:100%}.filters label{flex:1;display:block}.filters select{display:block;width:100%;margin-top:4px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.product-art{height:138px}.product-info{padding:11px}.product-info h3{font-size:.86rem;min-height:43px}.author small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80px}.paper-stack b{width:43px;height:63px;font-size:1.7rem}.math-board{padding:15px}.math-board b{font-size:1.1rem}.art-weather{font-size:2rem}.teacher-banner{margin:0 12px 50px;padding:33px 22px;grid-template-columns:1fr;border-radius:24px}.teacher-steps>div{padding:18px 5px}footer{flex-wrap:wrap;padding:28px 18px}footer p{flex-basis:50%;margin:0}footer>div{order:4;width:100%;justify-content:space-between}footer>small{margin-right:auto}}
@media(max-width:390px){.product-grid{grid-template-columns:1fr}.product-art{height:180px}.author small{max-width:none}.quick-links span{width:100%}.search-box input{font-size:.82rem}}

/* Product details and protected preview */
.product-view{position:fixed;inset:0;z-index:40;background:#f7f8fc;overflow:auto}.product-view-head{height:76px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(24px,calc((100% - 1184px)/2));position:sticky;top:0;z-index:3}.product-view-head .brand{justify-self:center}.product-back{justify-self:start;border:0;background:none;color:var(--blue);font-weight:900;font-size:.9rem;display:flex;gap:7px;align-items:center}.product-cart-button{justify-self:end}.product-view-body{max-width:1184px;margin:auto;padding:24px 0 70px}.breadcrumbs{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.78rem;margin-bottom:20px}.breadcrumbs button{border:0;background:none;color:var(--blue);padding:0;font-weight:800}.breadcrumbs strong{color:var(--ink)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:34px;align-items:start}.preview-area{min-width:0}.preview-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:15px}.preview-heading h2{margin:3px 0 0;font-size:1.65rem}.protected-pill{background:#e7f7ee;color:#177447;padding:7px 11px;border-radius:999px;font-size:.75rem;font-weight:900}.preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.preview-page{position:relative;aspect-ratio:1/1.414;background:#fff;border:1px solid #dce0ea;border-radius:8px;padding:8% 9%;box-shadow:0 8px 24px rgba(15,36,87,.09);overflow:hidden;text-align:center;color:#243356}.page-number{position:absolute;bottom:7px;left:9px;color:#8a93aa;font-size:.66rem}.worksheet-top{border-bottom:2px solid #dce6ff;padding-bottom:5%;color:var(--blue);font-weight:900;font-size:clamp(.55rem,1vw,.8rem)}.preview-page h3{font-size:clamp(.65rem,1.1vw,.95rem);margin:7% 0 4%}.preview-page p{font-size:clamp(.5rem,.9vw,.75rem);color:var(--muted)}.letter-hero{width:42%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;margin:9% auto 2%;font-size:clamp(3rem,7vw,6rem);font-weight:900;background:#fff0c7;color:var(--blue)}.cover-shapes,.form-row,.picture-row{display:flex;justify-content:center;gap:5%;margin-top:7%}.cover-shapes i,.picture-row i{font-style:normal;background:#e8efff;color:var(--blue);border-radius:8px;padding:3% 5%;font-weight:900;font-size:clamp(.5rem,1vw,.8rem)}.form-row span{width:27%;aspect-ratio:1;border:2px dashed #96abdf;border-radius:12px;display:grid;place-items:center;font-size:clamp(1.5rem,4vw,3rem);font-weight:900;color:var(--blue)}.line-set,.blank-lines{height:18%;margin-top:9%;background:repeating-linear-gradient(#fff 0 15px,#dce1eb 16px 17px)}.letter-cloud{line-height:2.2;background:#f2f5fb;padding:5%;border-radius:10px;font-size:clamp(1rem,2.5vw,2rem);word-spacing:.7em}.trace-lines,.writing-lines{font-size:clamp(1.1rem,2.7vw,2rem);line-height:2;color:#8091bd;letter-spacing:.08em}.writing-lines{display:grid;gap:7%;text-align:right;margin-top:10%}.tiny-task{margin-top:12%;background:#fff3d7;border-radius:8px;padding:4%;font-size:clamp(.5rem,.9vw,.7rem);font-weight:800}.watermarks{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-around;transform:rotate(-28deg);pointer-events:none}.watermarks b{white-space:nowrap;color:rgba(20,57,163,.15);font-size:clamp(.75rem,2.1vw,1.6rem)}.hidden-pages{margin-top:18px;min-height:145px;border:1px dashed #c5cbda;background:#eceff5;border-radius:16px;position:relative;overflow:hidden;display:grid;place-content:center;text-align:center;padding-right:43%;padding-left:20px}.blur-page{position:absolute;top:18px;width:82px;height:112px;background:linear-gradient(#fff,#d9deea);border:1px solid #c5cad7;border-radius:4px;filter:blur(3px);color:#9ba2b2;padding-top:45px}.blur-page:nth-child(1){right:28px;transform:rotate(8deg)}.blur-page:nth-child(2){right:76px;transform:rotate(-3deg)}.blur-page:nth-child(3){right:122px;transform:rotate(-11deg)}.hidden-pages strong{font-size:1rem}.hidden-pages p,.preview-note{color:var(--muted);font-size:.76rem;margin:5px 0 0}.preview-note{text-align:center;margin-top:10px}.purchase-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 16px 42px rgba(16,38,91,.1);position:sticky;top:100px}.detail-meta{font-size:.78rem;color:var(--blue);font-weight:900}.purchase-card h1{font-size:1.65rem;line-height:1.45;margin:8px 0 10px}.detail-rating{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);padding-bottom:17px}.detail-stars{color:#f5ad20;letter-spacing:1px}.detail-rating small{color:var(--muted)}.purchase-card>p{font-size:.88rem;color:var(--muted);line-height:1.8}.file-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:20px 0}.file-facts div{background:#f5f7fb;border-radius:10px;padding:10px 4px;text-align:center}.file-facts b,.file-facts span{display:block}.file-facts b{font-size:.86rem;color:var(--blue)}.file-facts span{font-size:.65rem;color:var(--muted);margin-top:2px}.license-note{background:#edf8f2;border-radius:12px;padding:11px;display:flex;gap:8px;align-items:start}.license-note>span{width:22px;height:22px;background:#32a56b;color:#fff;border-radius:50%;display:grid;place-items:center;font-size:.7rem}.license-note p{margin:0;flex:1}.license-note strong,.license-note small{display:block}.license-note strong{font-size:.75rem}.license-note small{color:#59806b;font-size:.65rem;margin-top:2px}.purchase-bottom{display:flex;align-items:end;justify-content:space-between;margin-top:23px}.purchase-bottom small{display:block;color:var(--muted);font-size:.68rem}.purchase-bottom strong{font-size:1.75rem;color:var(--blue-dark)}.detail-add{border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:11px;padding:10px 15px;font-weight:900}.buy-now{width:100%;margin-top:12px;padding:14px}.product-cart-count{display:grid}
@media(max-width:980px){.product-view-body{padding:20px 24px 60px}.detail-layout{grid-template-columns:1fr 330px;gap:22px}.purchase-card{padding:22px}}
@media(max-width:760px){.product-view-head{height:67px;padding:0 15px}.product-back span{display:none}.product-view-body{padding:16px 14px 45px}.breadcrumbs{overflow:hidden;white-space:nowrap}.detail-layout{display:flex;flex-direction:column}.purchase-card{position:static;order:-1;width:100%}.preview-grid{gap:8px}.preview-heading h2{font-size:1.3rem}.protected-pill{font-size:.65rem}.preview-page{padding:7%}.hidden-pages{padding-right:48%;min-height:128px}.blur-page{width:66px;height:92px}.blur-page:nth-child(1){right:15px}.blur-page:nth-child(2){right:53px}.blur-page:nth-child(3){right:90px}.file-facts{gap:4px}}

/* Discovery, richer product details and mobile navigation */
.home-discovery,.new-files,.how-it-works{max-width:1184px;margin:0 auto 52px;padding:0 4px}.compact-head{margin-bottom:18px}.grade-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.grade-cards button{border:1px solid var(--line);background:#fff;border-radius:18px;padding:18px 12px;text-align:right;transition:.2s;box-shadow:0 5px 18px rgba(15,36,87,.04)}.grade-cards button:hover{transform:translateY(-3px);border-color:#aec0ef;box-shadow:0 10px 25px rgba(15,36,87,.09)}.grade-cards span{width:40px;height:40px;border-radius:12px;background:#e9efff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:12px}.grade-cards strong,.grade-cards small{display:block}.grade-cards small{color:var(--muted);margin-top:3px}.new-files{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px 30px}.new-file-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.new-file-row button{border:0;background:#f6f8fc;border-radius:14px;padding:12px;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:11px;text-align:right}.new-file-row button:hover{background:#edf2ff}.new-file-icon{width:52px;height:52px;border-radius:11px;display:grid;place-items:center;background:#dfe8ff;color:var(--blue);font-weight:900}.reading-mini{background:#fff0ce}.math-mini{background:#ddf4e9;color:#13724a}.new-file-row span:nth-child(2){min-width:0}.new-file-row small,.new-file-row strong{display:block}.new-file-row small{font-size:.7rem;color:var(--muted)}.new-file-row strong{font-size:.8rem;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.new-file-row b{color:var(--blue);font-size:.82rem}.bundle-banner{max-width:1184px;margin:0 auto 58px;background:linear-gradient(120deg,var(--blue-dark),#2954ce);border-radius:28px;color:#fff;padding:38px 50px;display:flex;align-items:center;justify-content:space-between;overflow:hidden}.bundle-banner h2{margin:7px 0 6px;font-size:1.8rem}.bundle-banner p{color:#d7e0ff;margin:0 0 20px}.bundle-label{color:var(--yellow);font-weight:900;font-size:.78rem}.bundle-button{border:0;background:var(--yellow);color:var(--blue-dark);font-weight:900;border-radius:11px;padding:11px 17px}.bundle-stack{display:flex;direction:ltr;padding:20px 15px}.bundle-stack span{width:105px;aspect-ratio:.72;background:#fff;color:var(--blue);border-radius:9px;display:grid;place-items:center;font-size:1.6rem;font-weight:900;box-shadow:0 12px 25px rgba(4,15,48,.25);margin-left:-45px;border:4px solid #e8edfb}.bundle-stack span:nth-child(2){transform:rotate(-8deg) translateY(5px)}.bundle-stack span:nth-child(3){transform:rotate(7deg) translateY(-4px);color:#e68b1a}.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.how-steps>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;gap:14px}.how-steps b{flex:0 0 38px;height:38px;border-radius:50%;background:var(--yellow);color:var(--blue-dark);display:grid;place-items:center}.how-steps strong,.how-steps small{display:block}.how-steps small{color:var(--muted);margin-top:4px;line-height:1.5}.detail-extra{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin:16px 0;display:grid;gap:13px}.detail-extra>div>span{display:block;color:var(--blue);font-size:.72rem;font-weight:900;margin-bottom:5px}.detail-extra p{margin:0!important;color:var(--ink)!important;font-size:.78rem!important;line-height:1.6!important}.detail-includes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}.detail-includes li{font-size:.72rem;color:#45516d}.detail-includes li:before{content:'✓';color:#27a36a;font-weight:900;margin-left:5px}.related-files{margin-top:42px;border-top:1px solid var(--line);padding-top:26px}.related-head{display:flex;align-items:center;justify-content:space-between}.related-head h2{font-size:1.35rem}.related-head button{border:0;background:none;color:var(--blue);font-weight:900}.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-row button{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px;text-align:right}.related-row span,.related-row strong,.related-row b{display:block}.related-row span{font-size:.7rem;color:var(--blue)}.related-row strong{margin:5px 0 14px}.related-row b{color:var(--blue-dark)}.mobile-nav{display:none}
@media(max-width:980px){.home-discovery,.new-files,.how-it-works{margin-left:24px;margin-right:24px}.grade-cards{grid-template-columns:repeat(3,1fr)}.new-file-row{grid-template-columns:1fr}.bundle-banner{margin-left:24px;margin-right:24px}.filters{flex-wrap:wrap}.filters label{min-width:130px}}
@media(max-width:720px){body{padding-bottom:70px}.home-discovery,.new-files,.how-it-works{margin:0 14px 38px;padding:0}.grade-cards{display:flex;overflow-x:auto;scrollbar-width:none;margin-left:-14px;padding-left:14px}.grade-cards::-webkit-scrollbar{display:none}.grade-cards button{min-width:138px}.new-files{padding:21px 15px}.new-files .link-button{display:none}.new-file-row button{grid-template-columns:47px 1fr auto}.new-file-icon{width:47px;height:47px}.bundle-banner{margin:0 12px 42px;padding:28px 22px}.bundle-banner h2{font-size:1.4rem}.bundle-stack{display:none}.how-steps{grid-template-columns:1fr}.filters label{min-width:calc(50% - 5px)}.filters label:nth-child(3){width:100%}.detail-includes{grid-template-columns:1fr}.related-row{display:flex;overflow-x:auto;padding-bottom:5px}.related-row button{min-width:210px}.mobile-nav{position:fixed;z-index:38;bottom:0;right:0;left:0;height:67px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -6px 22px rgba(10,27,67,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a,.mobile-nav button{border:0;background:none;color:#73809d;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;position:relative}.mobile-nav span{font-size:1.25rem;line-height:1}.mobile-nav small{font-size:.65rem;font-weight:800}.mobile-nav .active{color:var(--blue)}.mobile-nav b{position:absolute;top:5px;right:50%;transform:translateX(-15px);background:#e94055;color:#fff;border-radius:50%;min-width:17px;height:17px;display:grid;place-items:center;font-size:.6rem}.cart-panel{bottom:67px;height:calc(100% - 67px)}.product-view{padding-bottom:67px}.product-view-head .product-cart-button{display:none}}

/* Official brand logo */
.logo-link{line-height:0;flex:0 0 auto}.brand-logo{display:block;width:auto;object-fit:contain}.header-logo{width:148px;max-height:70px}.footer-logo{width:155px;max-height:80px}.footer-brand{margin:-10px 0}
@media(max-width:720px){.header-logo{width:116px;max-height:58px}.footer-logo{width:140px;max-height:72px}.site-header{gap:12px}.product-view-head .header-logo{width:110px}}

/* Brand palette: navy, cyan, yellow and green */
body{background:linear-gradient(180deg,#fff 0,#fbfdff 100%)}.site-header{background:#fff}.desktop-nav a:first-child:after{background:var(--yellow)}.primary{background:linear-gradient(135deg,var(--blue),var(--blue-dark));box-shadow:0 8px 18px rgba(11,77,162,.22)}.primary:hover{background:var(--blue-dark)}.cart-count,.mobile-nav b{background:var(--teal);color:var(--blue-dark)}.hero{background:linear-gradient(135deg,#eaf7ff 0%,#f4fbff 47%,#fff9d9 100%)}.hero:before{border-color:rgba(255,197,27,.28)}.search-box:focus-within{box-shadow:0 14px 32px rgba(26,181,235,.18)}.search-box button{background:var(--yellow);color:var(--blue-dark)}.quick-links button{background:#fff;color:var(--blue-dark)}.benefit-icon{background:#e7f7ff}.category:hover,.category.active{background:linear-gradient(135deg,var(--blue-dark),var(--blue));border-color:var(--blue)}.product-card:hover,.product-card:focus-visible{border-color:#9edff5}.tag.new{background:var(--orange);color:var(--blue-dark)}.art-letters{background:#fff4c8}.art-math{background:#dcf7dc}.art-class{background:#e5f5ff}.art-science{background:#e4f7df}.art-shapes{background:#fff6ce}.art-reading{background:#e8f6ff}.book{box-shadow:-12px 12px 0 var(--orange);color:var(--blue-dark)}.art-table,.art-weather{background:#ddf5ff}.teacher-banner,.bundle-banner{background:linear-gradient(125deg,var(--blue-dark),var(--blue) 66%,#0875bd)}.teacher-banner:before{border-color:rgba(69,200,63,.17)}.modal-badge{background:#fff5c8;color:var(--blue-dark)}.grade-cards span,.new-file-icon{background:#e3f5ff}.grade-cards button:hover{border-color:#8edaf4}.reading-mini{background:#fff3bd}.math-mini{background:#e1f7df;color:#24852b}.bundle-stack span:nth-child(3){color:var(--teal)}.license-note{background:#e8f8e6}.license-note>span{background:var(--teal)}.protected-pill{background:#e8f8e6;color:#27832c}.detail-includes li:before{color:var(--teal)}.mobile-nav .active{color:var(--blue)}

/* Real product files */
.grade-cards{grid-template-columns:repeat(2,minmax(0,1fr));max-width:620px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));max-width:930px}.product-cover{background:#edf4ff;padding:16px}.product-cover img{width:auto;height:100%;max-width:100%;object-fit:contain;background:#fff;box-shadow:0 8px 24px rgba(15,36,87,.14);border-radius:4px}.actual-preview{padding:0;background:#fff}.actual-preview img{display:block;width:100%;height:100%;object-fit:contain}.actual-preview .page-number{z-index:2;background:rgba(255,255,255,.92);padding:2px 6px;border-radius:5px;color:var(--blue-dark);font-weight:800}.actual-preview .watermarks{z-index:1}.actual-preview .watermarks b{color:rgba(20,57,163,.2);font-size:clamp(.8rem,2vw,1.55rem)}
@media(max-width:980px){.product-grid{max-width:none;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:390px){.product-grid{grid-template-columns:1fr}}

/* Standalone product routes */
.product-route-page{min-height:100vh;background:#f7f8fc}.product-route-page .product-view-head{max-width:none}.route-product-body{padding-top:24px}.route-product-body .purchase-card{top:96px}.route-product-body .related-row a{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px;text-align:right;transition:.2s}.route-product-body .related-row a:hover{border-color:#9edff5;transform:translateY(-2px)}.route-product-body .related-row span,.route-product-body .related-row strong,.route-product-body .related-row b{display:block}.route-product-body .related-row span{font-size:.7rem;color:var(--blue)}.route-product-body .related-row strong{margin:5px 0 14px}.route-product-body .related-row b{color:var(--blue-dark)}.route-footer{margin-top:0}.product-route-page .mobile-nav{grid-template-columns:repeat(3,1fr)}.product-route-page .mobile-nav a,.product-route-page .mobile-nav button{font:inherit}
@media(max-width:760px){.route-product-body{padding-top:16px}.product-route-page .preview-grid{grid-template-columns:1fr 1fr}.route-product-body .related-row a{min-width:210px}}