:root{--ink:#0f1111;--navy:#131921;--navy2:#232f3e;--amazon:#ffd814;--amazon2:#f7ca00;--link:#007185;--orange:#ff9900;--line:#d5d9d9;--soft:#f7f8f8;--red:#b12704;--green:#007600}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.45;background:#fff}a{color:var(--link);text-decoration:none}a:hover{color:#c7511f;text-decoration:underline}button,input,select{font:inherit}.store-header{height:62px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:22px;padding:7px 22px}.store-logo{color:#fff;font-size:25px;letter-spacing:-1.5px;white-space:nowrap}.store-logo b{color:var(--orange)}.search{height:42px;display:flex;flex:1;border:3px solid transparent;border-radius:8px;overflow:hidden}.search:focus-within{border-color:var(--orange)}.search select{width:72px;border:0;background:#e6e6e6;padding:0 8px;color:#333}.search input{border:0;flex:1;padding:0 13px;font-size:15px;min-width:80px}.search button{border:0;background:#febd69;width:50px;font-size:24px}.header-links{display:flex;gap:22px;align-items:center}.header-links span{font-size:11px;line-height:1.15;white-space:nowrap}.header-links b{font-size:13px}.cart{font-size:17px!important}.subnav{height:40px;background:var(--navy2);color:#fff;display:flex;align-items:center;gap:25px;padding:0 24px}.subnav a{color:white;font-weight:600;font-size:13px}.subnav strong{margin-left:auto;font-size:13px}main{max-width:1500px;margin:auto}.breadcrumbs{padding:16px 30px 8px;color:#565959;font-size:12px}.product{display:grid;grid-template-columns:430px minmax(420px,1fr) 330px;gap:38px;padding:10px 30px 35px;border-bottom:1px solid #bbb}.gallery{display:grid;grid-template-columns:54px 1fr;grid-template-rows:auto 22px;gap:15px 20px;align-items:start;position:relative}.thumb{width:50px;border:1px solid #a2a6ac;border-radius:8px;padding:3px}.thumb.selected{border:3px solid #007eb9;box-shadow:0 0 3px 2px #c8f3fa}.thumb img{width:100%;display:block}.main-cover{width:min(100%,340px);box-shadow:0 3px 8px #0003;justify-self:center}.gallery small{grid-column:2;text-align:center;color:#565959}.product-info h1{font-size:29px;font-weight:500;line-height:1.18;margin:0 0 3px}.product-info h1 span{font-size:24px}.edition{font-size:18px;margin:0}.author{margin:3px 0}.rating{display:flex;gap:8px;align-items:center}.rating span{color:var(--orange);letter-spacing:1px}.rule{height:1px;background:#bbb;margin:10px 0 14px}.formats{display:flex;gap:9px}.formats button{background:#fff;border:1px solid #888c8c;border-radius:8px;padding:7px 15px;text-align:left}.formats button.active{border:3px solid #007185;padding:5px 13px}.formats b{font-size:12px}.product-info h2{font-size:17px;margin:16px 0 2px}.product-info p{margin:8px 0}.read-more{background:0;border:0;color:var(--link);padding:0;cursor:pointer}.features{display:flex;gap:42px;margin-top:26px;padding-top:18px;border-top:1px solid #ddd}.features div{text-align:center;min-width:80px}.features div>b{display:block;font-size:23px}.features strong,.features span{display:block;font-size:12px}.features strong{color:#565959}.buybox{border:1px solid var(--line);border-radius:9px;padding:18px 20px;box-shadow:0 0 0 1px #00000005;align-self:start}.deal-label{color:#cc0c39;font-weight:bold;font-size:12px}.price{font-size:32px;line-height:1.1;margin:8px 0 0}.price sup{font-size:14px;vertical-align:top}.price-note{margin:3px 0 14px}.stock{color:var(--green);font-size:13px}.stock>span{display:inline-block;width:8px;height:8px;border-radius:50%;background:#00a650;margin-right:6px}.refresh{display:flex;justify-content:space-between;align-items:center;background:#f3f3f3;border-radius:7px;padding:8px 10px;margin:14px 0}.refresh strong{font-size:20px;color:var(--red);direction:ltr}.amazon-btn{width:100%;border:1px solid #fcd200;border-radius:20px;padding:8px 12px;background:var(--amazon);cursor:pointer;box-shadow:0 2px 5px #d5d9d9}.amazon-btn:hover{background:var(--amazon2)}.secure{text-align:center;color:#565959;font-size:11px;margin:10px 0 18px}.buybox dl{display:grid;grid-template-columns:72px 1fr;font-size:12px;gap:4px;margin:0}.buybox dt{font-weight:bold}.buybox dd{margin:0}.progress-copy{display:flex;justify-content:space-between;font-size:11px;margin-top:18px}.progress-copy b{color:#8b5c00}.progress{height:7px;background:#eaeded;border-radius:10px;margin-top:5px;overflow:hidden}.progress i{display:block;width:8%;height:100%;background:var(--orange)}.series,.how,.offers-section,.faq{padding:42px 30px;border-bottom:1px solid #ddd}.series h2,.how h2,.offers-section h2,.faq h2{font-size:24px;margin:0 0 5px}.series>p{color:#565959}.book-row{display:grid;grid-template-columns:repeat(8,1fr);gap:18px;margin-top:18px;overflow:auto;padding-bottom:8px}.book-row article{min-width:100px}.book-row img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;box-shadow:0 2px 6px #0003}.book-row b{display:block;margin-top:6px;color:var(--link)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}.steps article{border:1px solid var(--line);border-radius:9px;padding:20px;position:relative}.steps article>b{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#fff2d2;color:#8b5c00}.steps h3{margin:8px 0 3px}.steps p{margin:0;color:#565959}.offers-section{background:#f7f8f8}.offers-head{display:flex;justify-content:space-between;align-items:end}.offers-head>div>span{color:#cc0c39;font-weight:bold}.offers-head p{margin:3px 0;color:#565959}.filters{display:flex;gap:7px}.filter{background:#fff;border:1px solid #888c8c;border-radius:18px;padding:7px 15px}.filter.active{background:var(--navy2);color:#fff}.offer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.offer{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;display:grid;grid-template-columns:54px 1fr auto;gap:13px;align-items:center}.offer-logo{width:54px;height:54px;border-radius:10px;background:linear-gradient(145deg,#24364a,#4f7899);color:white;display:grid;place-items:center;font-size:21px;font-weight:bold}.offer h3{font-size:15px;margin:0}.offer p{font-size:12px;color:#565959;margin:3px 0}.tags{display:flex;gap:5px}.tags span{font-size:10px;background:#eaeded;padding:2px 6px;border-radius:4px}.offer a{background:var(--amazon);color:#111;border:1px solid #fcd200;border-radius:17px;padding:7px 12px;font-size:12px}.pending{margin-top:16px;background:#fff7dc;border:1px solid #e8cf79;border-radius:8px;padding:15px;display:flex;gap:13px;align-items:center}.pending[hidden]{display:none}.pending p{margin:2px 0}.spinner{width:27px;height:27px;border:4px solid #eadba8;border-top-color:#8b5c00;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.download-card{margin:40px 30px;background:#f3f3f3;border:1px solid #bbb;border-radius:9px;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:25px}.download-card>div{display:grid;grid-template-columns:45px 1fr;align-items:center}.download-card>div>span{grid-row:1/3;font-size:25px}.download-card h2{margin:0}.download-card p{grid-column:2;margin:3px 0;color:#565959}.download-card button{border:1px solid #adb1b8;border-radius:20px;padding:9px 18px;white-space:nowrap}.faq{max-width:900px;margin:auto}.faq details{padding:15px 0;border-bottom:1px solid #ddd}.faq summary{font-weight:bold;cursor:pointer}.faq p{color:#565959}footer{background:var(--navy2);color:#ddd;text-align:center;padding:35px}footer .store-logo{display:inline-block;margin-bottom:10px}footer p{font-size:12px}
.claim-offer{font-weight:bold;font-size:15px;padding:10px 12px}.offers-section.is-hidden{display:none}.offer-logo{background:#fff;border:1px solid #ddd;color:inherit;overflow:hidden}.offer-logo img{width:100%;height:100%;object-fit:cover;display:block}.modal-open{overflow:hidden}.offer-modal[hidden]{display:none}.offer-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(15,17,17,.72)}.modal-panel{position:relative;width:min(720px,100%);max-height:90vh;overflow:auto;background:#f7f8f8;border-radius:12px;padding:18px;box-shadow:0 18px 70px rgba(0,0,0,.35)}.modal-top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:12px}.modal-top p{font-weight:bold;margin:0}.modal-top button{border:1px solid #888c8c;background:#fff;border-radius:18px;padding:6px 15px;cursor:pointer}.modal-panel .offer-grid{grid-template-columns:1fr;margin-top:0}.unlock-sequence{margin:14px 0;padding:12px 12px 12px 34px;background:#f7f8f8;border:1px solid #e0e0e0;border-radius:8px}.unlock-sequence li{padding:3px 0;font-weight:600}.offer-state{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;text-align:center}.offer-state p{margin:6px 0 0;color:#565959}.offer-state.loading{color:#565959}.download-card .download-copy{display:block;min-width:0;flex:1}.download-card .download-copy h2{margin:0 0 6px;line-height:1.2}.download-card .download-copy p{display:block;grid-column:auto;margin:0;color:#565959;line-height:1.5}.product{grid-template-columns:minmax(300px,430px) minmax(380px,1fr) minmax(280px,330px);gap:clamp(20px,2vw,38px)}
@media(max-width:1080px){.product{grid-template-columns:330px 1fr}.buybox{grid-column:1/-1}.header-links span:not(.cart){display:none}.book-row{grid-template-columns:repeat(8,120px)}}
@media(max-width:720px){body{font-size:13px}.store-header{height:auto;flex-wrap:wrap;padding:9px 12px;gap:8px}.store-logo{font-size:21px}.search{order:3;flex-basis:100%;height:40px}.header-links{margin-left:auto}.subnav{overflow:auto;padding:0 12px;gap:18px}.subnav strong{display:none}.breadcrumbs{padding:12px 16px}.product{display:flex;flex-direction:column;padding:8px 16px 25px;gap:24px}.gallery{grid-template-columns:44px 1fr}.thumb{width:42px}.main-cover{width:min(78vw,340px)}.product-info h1{font-size:25px}.product-info h1 span{font-size:20px}.formats{overflow:auto}.formats button{white-space:nowrap}.features{gap:12px;justify-content:space-between}.buybox{width:100%}.series,.how,.offers-section,.faq{padding:32px 16px}.steps{grid-template-columns:1fr}.offers-head{display:block}.filters{margin-top:15px}.offer-grid{grid-template-columns:1fr}.offer{grid-template-columns:48px 1fr}.offer-logo{width:48px;height:48px}.offer a{grid-column:1/-1;text-align:center}.download-card{margin:30px 16px;padding:20px;display:block}.download-card button{width:100%;margin-top:15px}.download-card>div{display:block}.download-card>div>span{display:block;margin-bottom:7px}.download-card p{margin:5px 0}.book-row{grid-template-columns:repeat(8,100px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.spinner{animation:none}}