@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');
:root{--green:#102642;--ink:#102642;--muted:#5f6874;--orange:#a77c36;--cream:#f8f5ee;--line:#ded9ce;--sage:#e9edf1;--peach:#eee6da;--sand:#e9e1ce}
body{background:var(--cream);font-family:'DM Sans',Arial,sans-serif;font-size:16px}p{color:var(--muted)}h1,h2,h3{font-family:'DM Sans',Arial,sans-serif}header,main,footer{max-width:1320px}main{padding:0 48px}header{padding:25px 48px;border-bottom:1px solid var(--line)}header nav{gap:27px;font-size:13px}.announcement{background:#102642;padding:10px 20px;font-size:12px;letter-spacing:.2px}.announcement a{color:#edcb85}.brand{display:block;font-size:32px;letter-spacing:-1.5px;line-height:1}.brand .brand-caption{display:block;font-size:9px;letter-spacing:1.2px;text-transform:uppercase;font-weight:500;margin-top:8px}.brand .brand-dot{color:#a77c36}.cart-link{border-color:#d6d0c2;border-radius:3px;min-height:44px}.cart-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6}.preview-strip{background:transparent;padding:11px 20px;color:#69675e;font-size:11px;border-bottom:1px solid var(--line)}.status-dot{background:#a77c36}.button{border-radius:3px;min-height:48px;padding:15px 23px;font-size:13px;gap:18px;letter-spacing:.1px;transition:background .2s,transform .2s}.button.green:hover{background:#253e5b}.button.outline{border-color:#b6b6ad}.button.outline:hover{background:#eeeadf}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:13px}.eyebrow{color:#8d6b34;font-size:10px;letter-spacing:2px;line-height:1.8}.page-title h1{font-size:clamp(34px,4vw,52px);letter-spacing:-1.8px}.page-title p{font-size:15px}.breadcrumb{font-size:12px;line-height:1.6;color:#6d7278}.section-space{padding:76px 0}.section-head{align-items:end;gap:24px;margin-bottom:30px}.section-head h2{font-family:'Libre Baskerville',Georgia,serif;font-weight:400;font-size:32px;line-height:1.35;letter-spacing:-.8px;margin:11px 0}.section-head p{font-size:14px;max-width:580px}.section-index{font-size:11px;letter-spacing:2px;color:#8e744c}.premium-hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;min-height:630px;gap:54px;padding:45px 0 58px}.premium-hero h1{font-family:'Libre Baskerville',Georgia,serif;font-size:clamp(44px,4.6vw,64px);font-weight:400;line-height:1.18;letter-spacing:-2.4px;margin:24px 0}.premium-hero h1 em{font-weight:400;color:#9c742e}.premium-hero .hero-desc{font-size:16px;line-height:1.85;max-width:430px;margin:24px 0 30px}.premium-hero .hero-actions{gap:24px;flex-wrap:wrap}.edition-note{font-size:12px;color:#717580;display:flex;gap:12px;align-items:center;margin-top:28px}.edition-note:before{content:'';width:25px;height:1px;background:#a77c36}.book-scene{height:510px;position:relative;isolation:isolate;background:#e8e4da;overflow:hidden;border-radius:180px 180px 4px 4px}.book-scene:before{content:'';position:absolute;inset:27px;border:1px solid #c9c0af;border-radius:160px 160px 2px 2px}.book-scene:after{content:'';position:absolute;inset:auto -20px -25px;height:95px;background:#d9d0bc;transform:rotate(-4deg);z-index:-1}.scene-edition{position:absolute;top:39px;left:0;right:0;text-align:center;font-size:9px;letter-spacing:2.3px;color:#86724e}.hero-book{position:absolute;width:220px;height:auto;bottom:58px;left:50%;border:1px solid #ede9de;box-shadow:12px 19px 25px #13223e36;transform:translateX(-56%) rotate(-9deg);z-index:2}.hero-book.behind{width:204px;bottom:83px;transform:translateX(-17%) rotate(10deg);z-index:1;filter:brightness(.92)}.scene-caption{position:absolute;bottom:22px;left:29px;right:29px;display:flex;justify-content:space-between;gap:15px;font-size:10px;letter-spacing:1px;color:#5a5c5d}.series-stats{display:grid;grid-template-columns:repeat(4,1fr);padding:29px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:20px}.series-stats>div{display:flex;gap:12px;align-items:center;justify-content:center;border-right:1px solid var(--line)}.series-stats>div:last-child{border-right:0}.series-stats b{font:32px 'Libre Baskerville',Georgia,serif;color:#8e6b31}.series-stats span{font-size:12px;line-height:1.6;color:#646b75}.fascicle-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:21px}.fascicle-card{min-width:0}.fascicle-image{display:block;background:#eae6dd;padding:20px 22px;position:relative;overflow:hidden;border:1px solid #e0dbd1;transition:background .2s}.fascicle-image img{display:block;width:100%;height:auto;box-shadow:4px 7px 11px #10264226;transition:transform .2s}.fascicle-image:hover{background:#e1dacd}.fascicle-image:hover img{transform:translateY(-4px)}.fascicle-caption{padding:18px 0}.fascicle-caption small{display:block;font-size:10px;letter-spacing:1.4px;color:#8b703e}.fascicle-caption h3{font-size:15px;line-height:1.45;margin:7px 0;letter-spacing:-.3px}.fascicle-caption p{font-size:12px}.fascicle-caption a{display:inline-block;font-size:12px;font-weight:600;margin-top:14px;border-bottom:1px solid #b8a67c;padding-bottom:4px}.series-footnote{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:21px 0;border-top:1px solid var(--line);font-size:12px;color:#696d75}.series-footnote p{font-size:12px}.editorial-band{margin:10px 0 0;padding:48px;background:#102642;color:#f8f5ee;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;position:relative}.editorial-band .eyebrow{color:#d7bb7d}.editorial-band h2{font-family:'Libre Baskerville',Georgia,serif;font-weight:400;font-size:34px;line-height:1.4;letter-spacing:-.8px;margin:15px 0}.editorial-band p{color:#bfc9d5;font-size:14px}.editorial-band .text-link{color:#e2c58b;margin-top:23px}.editorial-steps{list-style:none;padding:0;margin:0}.editorial-steps li{display:flex;gap:20px;padding:17px 0;border-bottom:1px solid #405066}.editorial-steps li:first-child{padding-top:0}.editorial-steps li:last-child{border-bottom:0}.editorial-steps b{font:23px 'Libre Baskerville',Georgia,serif;color:#d8b879}.editorial-steps h3{font-size:15px;font-weight:500;margin:1px 0 6px}.editorial-steps p{font-size:12px;line-height:1.7}.course-card{background:transparent;border:1px solid #d8d2c6;border-radius:3px;padding:28px;transition:border-color .2s,background .2s}.course-card:hover{transform:none;background:#f0ebe1;border-color:#ac956b}.course-card h3{font-size:24px;font-weight:500}.course-card p{font-size:12px}.course-symbol{color:#927343}.course-arrow{color:#927343}.guide-banner{border-radius:3px;background:#eae5d9;padding:30px}.guide-banner h3{font-size:22px;font-weight:500}.guide-banner p{font-size:13px}.guide-icon{color:#97773d}.product-card,.sample-card,.exam-card,.scenario-card,.content-panel,.summary-card,.help-grid article,.question-paper,.guide-box,.soon-card,.empty-state,.cart-item,.checkout-info{border-radius:3px;border-color:#ded8cc}.summary-card,.guide-box,.empty-state,.catalog-filter{background:#eeeadf}.product-content h3{font-size:20px}.product-content>p,.product-content ul{font-size:13px}.product-meta{font-size:10px;color:#746c5c}.product-visual{background:#e8e4da}.product-visual.peach{background:#eee4d9}.product-visual.sand{background:#e4dcc6}.visual-label{color:#726a5e}.cover{border-left-color:#102642;color:#102642}.peach .cover{border-left-color:#946e3b;color:#77572d}.product-price{font-size:27px}.product-price small{display:block;font-size:11px;color:#666}.micro-note{color:#71717a;font-size:12px;line-height:1.8}.notice{font-size:13px;background:#efe8d9;color:#736345;border-radius:2px}.notice a{font-weight:600}.detail-list{font-size:13px;line-height:1.6}.detail-list li span{font-size:10px;color:#74706a}.summary-card p,.help-grid p,.guide-layout p,.product-intro>p,.outcome p{font-size:14px}.summary-card h2{font-size:25px;line-height:1.35}.outcome small,.scenario-status{font-size:11px;color:#826a42}.outcome>b{color:#826a42}.scenario-card:hover{background:#f0ece3;border-color:#ac956b}.scenario-number{color:#ac956b}.scenario-card p{font-size:13px}.exam-card p{font-size:13px}.pill{font-size:11px;color:#6c6048;border-color:#d4c9b0}.scenario-tabs{font-size:13px}.bottom-cta{border-radius:3px;padding:38px 42px}.bottom-cta span{color:#d5c29d;font-size:10px}.bottom-cta h2{font-family:'Libre Baskerville',Georgia,serif;font-weight:400;font-size:29px}.bottom-cta .button{background:#e4c790}.sample-feature{display:grid;grid-template-columns:270px 1fr;gap:50px;align-items:center;padding:38px;background:#ece7dd;border:1px solid #ddd4c4}.sample-feature img{display:block;width:100%;max-width:235px;margin:auto;box-shadow:6px 11px 22px #10264224}.sample-feature h2{font-family:'Libre Baskerville',Georgia,serif;font-weight:400;font-size:35px;line-height:1.3;letter-spacing:-1px;margin:15px 0}.sample-feature p{font-size:15px;max-width:570px}.sample-feature .download-actions{margin-top:23px}.sample-feature .micro-note{font-size:12px;margin-top:18px}.sample-feature .eyebrow{font-size:10px}.sample-inner-preview{display:block;width:100%;height:auto;border:1px solid var(--line);margin-top:28px}.footer-wrap{margin-top:70px;border-top:1px solid var(--line)}footer{padding:40px 48px;align-items:start;gap:35px}.footer-brand-block .brand{font-size:29px}.footer-brand-block p{font-size:12px;margin-top:16px;display:block}.footer-links{font-size:12px;gap:20px;flex-wrap:wrap;padding-top:4px}.footer-links button{font-size:12px}.footer-domains{display:flex;flex-direction:column;gap:8px;font-size:12px;color:#6c6c68}.footer-domains span{font-size:10px;margin-top:8px}.menu-button{min-width:44px;min-height:44px}#mobile-nav a{background:#eeeadf}.book-scene img{max-width:none}.filter-count{font-size:12px;color:#68675f}.catalog-filter{border-radius:3px}.catalog-filter label{font-size:10px}.catalog-filter select{font-size:13px}.step-list li{font-size:14px}.step-list small{font-size:12px}.faq summary{font-size:14px}.faq p{font-size:14px}.proof-copy{font-size:12px!important;color:#69707a!important;margin-top:16px!important}
@media(min-width:1450px){.premium-hero{min-height:670px}.book-scene{height:540px}.hero-book{width:245px}.hero-book.behind{width:225px}.premium-hero h1{font-size:66px}}
@media(max-width:1050px){main{padding:0 32px}header{padding:23px 32px}.premium-hero{gap:30px;min-height:560px}.premium-hero h1{font-size:47px}.book-scene{height:460px}.hero-book{width:190px}.hero-book.behind{width:180px}.premium-hero .hero-actions{gap:18px}.fascicle-grid{gap:15px}.fascicle-image{padding:16px 15px}.fascicle-caption h3{font-size:14px}.editorial-band{padding:34px;gap:35px}.editorial-band h2{font-size:29px}.brand{font-size:29px}header nav{gap:17px;font-size:12px}.brand .brand-caption{font-size:8px}.sample-feature{grid-template-columns:210px 1fr;gap:30px}}
@media(max-width:760px){main{padding:0 22px}header{padding:20px 22px}header nav{display:none}.menu-button{display:block}.cart-link>span{display:none}.premium-hero{grid-template-columns:1fr;padding:40px 0;gap:30px}.premium-hero h1{font-size:clamp(42px,8vw,58px);letter-spacing:-1.9px}.premium-hero .hero-desc{max-width:100%;font-size:15px;margin:22px 0}.premium-hero .hero-actions{gap:22px}.book-scene{height:460px;max-width:480px;width:100%;margin:0 auto;border-radius:180px 180px 3px 3px}.hero-book{width:215px}.hero-book.behind{width:195px}.edition-note{margin-top:22px}.series-stats{grid-template-columns:1fr 1fr;row-gap:26px;padding:27px 0}.series-stats>div{justify-content:start}.series-stats>div:nth-child(even){border:0}.series-stats b{font-size:28px}.series-stats span{font-size:11px}.section-space{padding:50px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:28px}.section-head>.text-link{margin-top:15px;font-size:12px}.fascicle-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 17px}.fascicle-image{padding:19px 22px}.fascicle-caption{padding:14px 0}.fascicle-caption h3{font-size:16px}.fascicle-caption a{min-height:32px}.series-footnote{display:block;margin-top:20px}.series-footnote .text-link{margin-top:13px}.editorial-band{display:block;padding:30px 25px}.editorial-band h2{font-size:29px}.editorial-steps{margin-top:35px}.editorial-steps h3{font-size:16px}.editorial-steps p{font-size:13px}.course-grid{grid-template-columns:1fr}.course-card{padding:24px}.course-card p{font-size:13px}.sample-feature{grid-template-columns:1fr;padding:25px;gap:28px}.sample-feature img{max-width:210px}.sample-feature h2{font-size:29px}.sample-feature .download-actions{flex-direction:column}.sample-feature .download-actions .button{width:100%}.product-meta{font-size:10px}.product-content>p,.product-content ul{font-size:12px}.product-price small{font-size:10px}.product-card{grid-template-columns:120px 1fr}.product-content h3{font-size:18px}.product-card-bottom{align-items:start;flex-direction:column}.product-card-bottom .button{width:100%;font-size:12px}.product-visual{min-height:265px}.product-stage{min-height:340px}.page-title p{font-size:14px}.page-title h1{font-size:35px}.breadcrumb{font-size:11px}.micro-note{font-size:12px}.content-panel{padding:24px 20px}.detail-grid{grid-template-columns:1fr}.outcome p{font-size:13px}.scenario-tabs{font-size:12px}.preview-strip{font-size:10px;line-height:1.7}.announcement{font-size:11px}.announcement a{display:inline;margin-left:8px}.bottom-cta{padding:28px}.bottom-cta h2{font-size:27px}.footer-wrap{margin-top:45px}footer{padding:32px 22px;display:block}footer .footer-links{margin:28px 0}.footer-domains{flex-direction:row;flex-wrap:wrap;gap:12px 20px}.footer-domains span{width:100%;margin-top:8px}.footer-brand-block p{margin-top:15px}.guide-banner h3{font-size:21px}.guide-banner p{font-size:13px}.help-grid{grid-template-columns:1fr}.cart-item p{font-size:12px}.cart-item h3{font-size:15px}.sample-card .product-meta{font-size:9px}.sample-card p{font-size:12px}.sample-card .button{font-size:12px}.sample-card .product-content{padding:16px}.fascicle-grid .fascicle-card:last-child{grid-column:auto}.scenario-card p{font-size:12px}#mobile-nav:not([hidden]){display:grid;padding:0 22px 20px;gap:6px;border-bottom:1px solid var(--line)}#mobile-nav a{padding:13px;font-size:14px;border-radius:3px}}
@media(max-width:380px){.premium-hero h1{font-size:40px}.book-scene{height:410px}.hero-book{width:185px}.hero-book.behind{width:170px}.fascicle-image{padding:15px}.brand{font-size:27px}.fascicle-caption h3{font-size:14px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.platform-hero h1{font-size:clamp(43px,4.4vw,62px)}.platform-hero .hero-desc{max-width:475px}.platform-promise{display:flex;justify-content:space-between;gap:22px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px;color:#656b70}.platform-promise span:before{content:'✓';color:#9c742e;margin-right:9px}.class-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.class-choice{display:block;padding:26px 24px 22px;border:1px solid #d5ccbb;background:#eee8dc;transition:background .2s,border-color .2s}.class-choice:hover{background:#e5dccb;border-color:#9c7b40}.class-choice>strong{font-family:'Libre Baskerville',Georgia,serif;font-size:49px;font-weight:400;display:block;color:#81622e;line-height:1.3}.class-choice strong small{font-family:'DM Sans',Arial,sans-serif;font-size:17px;color:#102642;font-weight:500}.class-choice>span{display:flex;justify-content:space-between;border-top:1px solid #d4cbb9;padding-top:20px;margin-top:23px;font-size:12px}.class-choice b{font-size:18px;font-weight:400}.subject-ribbon{display:flex;flex-wrap:wrap;gap:10px 23px;padding:26px 0 8px;font-size:13px;color:#58616e;line-height:1.7}.subject-ribbon span{display:inline-block}.subject-ribbon span:before{content:'·';color:#b69b69;margin-right:13px}.class-tabs{margin:0 0 25px}.school-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.school-course-grid .course-card h3{font-size:20px;line-height:1.4;letter-spacing:-.6px}.school-course-grid .course-card>div{flex:1}.school-course-grid .course-symbol{font-size:29px;min-width:39px;width:50px}.school-course-grid .course-arrow{margin-left:0}.platform-hero .scene-edition{letter-spacing:1.5px}.platform-hero .scene-caption{font-size:9px;letter-spacing:.6px}
@media(max-width:1050px){.class-picker{gap:15px}.class-choice{padding:24px 19px}.class-choice>strong{font-size:43px}.platform-hero h1{font-size:47px}.school-course-grid .course-card{gap:15px;padding:23px}.school-course-grid .course-card h3{font-size:18px}}
@media(max-width:760px){.platform-hero h1{font-size:clamp(42px,8vw,58px);letter-spacing:-1.6px}.platform-promise{display:grid;grid-template-columns:1fr 1fr;font-size:11px;gap:18px 12px}.class-picker{grid-template-columns:1fr 1fr;gap:15px}.class-choice{padding:21px 18px}.class-choice>strong{font-size:42px}.class-choice strong small{font-size:16px}.class-choice>span{font-size:11px;margin-top:17px;padding-top:15px}.subject-ribbon{font-size:12px;gap:8px 15px;padding-top:23px}.subject-ribbon span:before{margin-right:8px}.school-course-grid{grid-template-columns:1fr}.school-course-grid .course-card h3{font-size:20px}.school-course-grid .course-card p{font-size:12px}.platform-hero .hero-actions{gap:18px}.platform-hero .edition-note{font-size:11px;line-height:1.8}.platform-hero .eyebrow{font-size:9px;letter-spacing:1.2px}}