:root{--bg:#090d10;--surface:#121a1d;--line:#2a383e;--text:#f3f6f5;--muted:#a7b8be;--green:#8be9c2;--pink:#efb9d6;--cyan:#a4d5ed}
body{background:var(--bg)}.site-header{background:#080d10f5;border-color:#202b30}.header-inner{min-height:76px}.header-note{color:#9eafb7;font-size:11px}.brand img{border-radius:50%}.brand small{color:#96a6ad}.button{border-radius:5px}.button-quiet,.button-outline{border-color:#415158}.button-quiet:hover,.button-outline:hover{background:#1e2c30}.site-footer{background:#080d10;padding:22px 0;border-top:1px solid #233037}.footer-compact{display:flex;gap:20px;align-items:center;justify-content:space-between;font-size:10px}.footer-compact nav{display:flex;gap:20px;flex-wrap:wrap}.footer-compact nav a{text-decoration:none;color:#b4c0c5}.footer-compact nav a:hover{text-decoration:underline}.footer-compact small{font-size:9px;color:#8e9aa1}
.ebook-app[data-view=home]{height:100svh;overflow:hidden}.ebook-app[data-view=home]>.site-footer{position:absolute;bottom:0;left:0;width:100%;z-index:4;padding:15px 0;background:#06090ce6;border-color:#ffffff12}.universe{height:calc(100svh - 76px);position:relative;isolation:isolate;overflow:hidden;min-height:470px}.universe [hidden]{display:none!important}#cosmic-background{position:absolute;inset:0;z-index:-2;background:#05070b url('cosmos.webp') center/cover no-repeat;opacity:.55}.universe-intro{position:absolute;left:24px;right:24px;top:35px;z-index:2;text-align:center;pointer-events:none}.universe-intro .eyebrow{font-size:9px;color:#aec9d6;margin-bottom:14px}.universe-intro h1{font-size:44px;font-weight:650;line-height:1.12;margin-bottom:12px;text-shadow:0 2px 26px #000}.universe-intro h1 span{color:#b2efd5}.universe-intro>p:last-child{font-size:13px;color:#b0bec6;margin:0}.planet-stage{position:absolute;inset:145px 0 183px;max-width:1240px;margin-inline:auto;touch-action:pan-y;user-select:none;cursor:grab}.planet-stage.is-dragging{cursor:grabbing}.planet-stage canvas{width:100%;height:100%;display:block;position:absolute;inset:0;opacity:0;transition:opacity .7s}.planet-stage.is-ready canvas{opacity:1}.planet-fallback{position:absolute;inset:0;display:grid;place-items:center}.planet-fallback img{border-radius:50%;width:130px;filter:drop-shadow(0 0 20px #58aa8840)}.is-ready .planet-fallback{display:none}.universe-bottom{position:absolute;bottom:76px;left:24px;right:24px;z-index:3;text-align:center}.universe-label{font-size:8px;color:#9eabb3;margin:0 0 12px;font-weight:700}.universe-choices{display:flex;justify-content:center;gap:16px}.universe-choice{display:flex;align-items:center;gap:13px;width:275px;min-height:76px;border:1px solid #487767;background:#081711e8;border-radius:6px;text-align:left;padding:11px 16px;transition:background .2s,border-color .2s,transform .2s}.universe-choice[data-enter=music]{background:#17121be8;border-color:#675074}.universe-choice:hover{background:#153a2a;border-color:#8be9c2;transform:translateY(-3px)}.universe-choice[data-enter=music]:hover{background:#32223b;border-color:#efb9d6}.universe-choice img{width:44px;height:44px;border-radius:50%;flex-shrink:0}.universe-choice strong{display:block;font-size:14px;font-weight:650}.universe-choice small{font-size:10px;color:#a7b8bf;display:block;margin-top:3px}.universe-choice>svg{margin-left:auto;width:17px;height:17px;flex-basis:17px;color:#afc8c2}.universe-disclaimer{margin:13px 0 0;color:#93a3ad;font-size:9px}.motion-button{position:absolute;right:30px;bottom:86px;z-index:4;background:#0a111acc;border-color:#39474e;color:#afbcc5;width:36px;height:36px}.motion-button:hover{background:#21363d}.motion-button svg{width:16px;height:16px}
.catalog-nav{position:sticky;top:76px;z-index:20;border-bottom:1px solid #2a3b44;background:#0b1216f5;backdrop-filter:blur(10px)}.catalog-nav>.container{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:60px}.back-world{display:flex;align-items:center;gap:8px;background:none;border:0;padding:10px 0;color:#b6c5cc;font-size:12px}.back-world svg{width:17px;height:17px}.category-switch{display:flex;padding:4px;border:1px solid #34454d;border-radius:6px;gap:3px}.category-switch button{display:flex;align-items:center;gap:7px;background:transparent;border:0;padding:7px 14px;border-radius:3px;color:#9aadb6;font-size:11px;font-weight:650;min-height:34px}.category-switch svg{width:15px;height:15px;flex-basis:15px}.category-switch [aria-pressed=true]{background:#284b40;color:#cbffe9}.category-switch [data-category=music][aria-pressed=true]{background:#493349;color:#ffe1f2}.collection-hero{border-bottom:1px solid #2a383e;background:#101c1d}.collection-music{--accent:var(--pink)}.collection-music .collection-hero{background:#1d1722}.collection-hero-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-block:42px}.collection-hero-inner>div{max-width:700px}.collection-hero .eyebrow{font-size:10px;margin-bottom:16px}.collection-hero h1{font-size:40px;max-width:650px;margin-bottom:16px}.collection-hero p:not(.eyebrow){font-size:14px;color:#b4c5cd;line-height:1.75;max-width:610px;margin-bottom:22px}.collection-hero img{width:180px;height:180px;object-fit:contain;border-radius:24%;flex-shrink:0}.subject-list{display:flex;gap:18px;flex-wrap:wrap;color:#bed3d7;font-size:11px}.subject-list span{padding-left:10px;border-left:2px solid var(--accent)}.catalog-body{padding-block:44px 0}.catalog-heading{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:28px}.catalog-heading h2{font-size:28px;margin-bottom:0}.catalog-heading>p{color:#a7bbc3;font-size:12px;margin-bottom:0}.product-grid{gap:22px}.product-card{border-color:#32454d;background:#121c21}.music-card{background:#1c1822;border-color:#43394d}.book-stage{height:215px;background:#192c31}.book-cover{width:138px;height:185px;background:#091a1d;border-color:#496c70;outline-color:#4b787c;padding:15px 12px;transform:perspective(700px) rotateY(-17deg) rotateZ(-6deg);box-shadow:10px 9px 0 -3px #9bafb1,16px 18px 20px #0007}.book-cover>small{font-size:6px;color:#a4d8d3}.book-cover>svg{width:27px;height:27px;margin:12px 0;color:var(--book-accent,#8be9c2)}.book-cover strong{font-size:22px}.book-cover>span{font-size:7px;max-width:110px}.book-cover>b{font-size:6px;letter-spacing:0}.stage-tv-02{background:#242d33;--book-accent:#b1d1f0}.stage-tv-02 .book-cover{background:#0c1b2a;border-color:#465d79;outline-color:#557496}.stage-tv-03{background:#303027;--book-accent:#e3d6a5}.stage-tv-03 .book-cover{background:#232219;border-color:#74704e;outline-color:#898461}.stage-music-01{background:#312434;--book-accent:#f6bbd9}.stage-music-01 .book-cover{background:#25182a;border-color:#704b76;outline-color:#795383}.stage-music-02{background:#283035;--book-accent:#bfdae7}.stage-music-02 .book-cover{background:#14242b;border-color:#526d7c;outline-color:#6a8491}.music-grid .book-stage{height:215px}.edition-number{font-size:110px;bottom:-17px;color:#e7f0f009}.product-copy{padding:24px}.product-copy h4{font-size:23px}.product-description{font-size:12px;min-height:64px}.product-includes{border-block:1px solid #34454d;padding:12px 0;display:flex;align-items:start;gap:8px;font-size:10px;color:#cae1df;line-height:1.6;margin-bottom:12px;min-height:58px}.product-includes svg{width:14px;height:14px;flex-basis:14px;margin-top:2px}.music-card .product-includes{border-color:#49394c;color:#ead8ed}.product-highlights{font-size:11px;min-height:102px;line-height:1.6}.product-highlights li{margin-block:10px}.details-link{font-size:11px;min-height:42px}.product-price{padding-top:20px}.product-price strong{font-size:32px}.product-price span{font-size:10px}.catalog-note{font-size:11px;margin-top:24px}.learning-band{padding:64px 0;border-bottom:1px solid #293940}.learning-band h2{font-size:28px}.learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:30px}.learning-grid article{border-top:1px solid #344650;padding-top:22px}.learning-grid article>svg{color:var(--accent);width:23px;height:23px;margin-bottom:16px}.learning-grid h3{font-size:16px;margin-bottom:12px}.learning-grid p{font-size:12px;color:#a6bbc4;margin:0}.compare-block{padding:48px 0}.compare-block h2{font-size:28px}.comparison-wrap{margin-top:24px;border-top:1px solid #354a55}.comparison-wrap th,.comparison-wrap td{border-color:#30434e;font-size:12px}.comparison-wrap thead th{color:#a1b6be;font-size:10px}.comparison-wrap td a{color:var(--accent)}.comparison-wrap .wa-icon{width:14px;height:14px;flex-basis:14px}.comparison-wrap table{min-width:580px}.how-section{background:#111b20;border-block:1px solid #2b3e47}.step-number{color:var(--accent)}.faq-section{background:#0b1216;border-color:#2a383e}.faq-list details{border-color:#34434a}.faq-list details:first-child{border-color:#34434a}.help-band{background:#14231f;border-color:#2a423a}.product-dialog{background:#121e24;border-color:#50656d;border-radius:8px;width:min(680px,calc(100% - 32px));max-height:90dvh}.dialog-heading,.dialog-bottom{background:#121e24}.dialog-content>p{color:#bccad0}.dialog-content{padding:26px}.dialog-content .eyebrow{color:var(--accent);font-size:10px}.dialog-content h2{font-size:32px}.chapter-list li{line-height:1.65}.extras-list{padding-left:18px;color:#b7cbd1;font-size:12px;line-height:1.8}.extras-list li{margin:8px 0}.product-dialog .button-primary{background:var(--accent)}.legal-article a{color:#8be9c2}.legal-sidebar a[aria-current=page]{color:#8be9c2}
@keyframes collection-arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}#catalog-view:not([hidden]){animation:collection-arrive .4s ease-out}
@media(min-width:1650px){.planet-stage{max-width:1360px;inset:150px 0 195px}.universe-intro{top:48px}.universe-intro h1{font-size:48px}}
@media(max-width:900px){.universe-intro h1{font-size:36px}.planet-stage{inset:145px 0 190px}.motion-button{right:20px;bottom:180px}.header-note{display:none}.footer-compact{gap:14px}.footer-compact nav{gap:12px}.footer-compact small{display:none}.collection-hero h1{font-size:34px}.collection-hero img{width:140px;height:140px}.product-card{grid-template-columns:200px minmax(0,1fr)}.book-stage,.music-grid .book-stage{height:100%;min-height:360px}.product-description,.product-highlights{min-height:0}.learning-grid{gap:24px}.catalog-heading{align-items:start;gap:20px}.catalog-heading h2{font-size:25px}}
@media(max-width:600px){.site-header .header-inner{min-height:62px}.header-inner .button{font-size:10px;padding:9px;min-height:36px}.header-inner .wa-icon{width:15px;height:15px;flex-basis:15px}.brand>span{font-size:16px}.brand small{font-size:6px}.brand img{width:32px;height:32px}.universe{height:calc(100svh - 62px);min-height:440px}.universe-intro{top:27px;left:16px;right:16px}.universe-intro .eyebrow{font-size:8px;margin-bottom:13px}.universe-intro h1{font-size:29px;line-height:1.15;margin-bottom:12px}.universe-intro h1 span{display:block}.universe-intro>p:last-child{font-size:11px;max-width:270px;margin:auto}.planet-stage{inset:152px 0 196px}.universe-bottom{bottom:83px;left:16px;right:16px}.universe-label{font-size:8px;margin-bottom:10px}.universe-choices{gap:10px}.universe-choice{width:50%;min-height:76px;gap:8px;padding:10px;text-align:left}.universe-choice img{width:30px;height:30px}.universe-choice strong{font-size:11px;line-height:1.4}.universe-choice small{font-size:8px;line-height:1.6}.universe-choice>svg{display:none}.universe-disclaimer{font-size:8px;max-width:300px;margin:10px auto 0}.motion-button{width:30px;height:30px;right:16px;bottom:185px}.motion-button svg{width:13px;height:13px}.ebook-app[data-view=home]>.site-footer{padding:10px 0}.footer-compact{flex-direction:column;gap:7px;font-size:9px}.footer-compact nav{gap:13px;justify-content:center;font-size:8px}.catalog-nav{top:62px}.catalog-nav>.container{min-height:55px;gap:8px}.back-world{font-size:10px;gap:5px}.back-world svg{width:15px;height:15px;flex-basis:15px}.category-switch{padding:3px}.category-switch button{font-size:10px;padding:6px 9px;min-height:30px;gap:4px}.category-switch svg{width:13px;height:13px;flex-basis:13px}.collection-hero-inner{gap:18px;padding-block:30px;position:relative;align-items:start}.collection-hero-inner>div{width:100%;position:relative;z-index:1}.collection-hero .eyebrow{font-size:8px;padding-right:70px;min-height:22px;margin-bottom:12px}.collection-hero h1{font-size:30px;max-width:290px;padding-right:44px}.collection-hero p:not(.eyebrow){font-size:12px;margin-bottom:17px}.collection-hero img{position:absolute;right:0;top:22px;width:62px;height:62px}.subject-list{gap:10px 14px;font-size:9px}.catalog-body{padding-top:30px}.catalog-heading{display:block}.catalog-heading h2{font-size:24px}.catalog-heading>p{font-size:11px;margin-top:14px}.product-card{display:flex}.book-stage,.music-grid .book-stage{min-height:0;height:200px}.product-copy{padding:22px}.product-copy h4{font-size:24px}.product-includes{min-height:0;font-size:10px}.product-description,.product-highlights{min-height:0;font-size:12px}.product-highlights li{margin-block:12px}.product-price strong{font-size:32px}.details-link{font-size:12px}.buy-link{min-height:48px;font-size:13px}.learning-band{padding-block:40px}.learning-band h2,.compare-block h2{font-size:24px}.learning-grid{grid-template-columns:1fr;gap:22px;margin-top:22px}.learning-grid article{position:relative;padding-left:38px;padding-top:18px}.learning-grid article>svg{position:absolute;left:0;top:19px;width:20px;height:20px}.learning-grid h3{font-size:16px;margin-bottom:9px}.compare-block{padding-block:36px}.dialog-content{padding:20px}.dialog-content h2{font-size:28px}.product-dialog{width:calc(100% - 20px)}.dialog-bottom{padding:14px}.dialog-bottom strong{font-size:24px}.dialog-bottom .button{font-size:11px;padding:11px}.legal-main{padding-top:30px}.legal-article>h1{font-size:28px}.site-footer{padding:20px 0}}
@media(max-width:360px){.universe-intro h1{font-size:26px}.universe-intro .eyebrow{font-size:7px}.universe-choice{padding:8px;gap:6px}.universe-choice img{width:26px;height:26px}.universe-choice small{font-size:7px}.universe-choice strong{font-size:10px}.footer-compact nav{gap:10px}.header-inner .button span:not(.wa-icon){max-width:70px}.planet-stage{inset:142px 0 192px}.collection-hero h1{font-size:27px}.catalog-nav .back-world span{max-width:95px;line-height:1.3}.dialog-bottom .button{font-size:10px}}
@media(max-height:700px) and (max-width:600px){.universe-intro{top:14px}.universe-intro h1{font-size:25px;display:block;margin-bottom:7px}.universe-intro h1 span{display:inline}.universe-intro>p:last-child{font-size:10px}.universe-intro .eyebrow{font-size:7px;margin-bottom:10px}.planet-stage{inset:100px 0 167px}.universe-bottom{bottom:67px}.universe-choice{min-height:63px}.universe-label{margin-bottom:7px}.universe-disclaimer{font-size:7px;margin-top:7px}.motion-button{bottom:157px}}
@media(max-height:600px) and (min-width:601px){.universe{min-height:360px}.universe-intro{top:10px}.universe-intro h1{font-size:28px}.universe-intro .eyebrow{margin-bottom:5px}.universe-intro>p:last-child{font-size:11px}.planet-stage{inset:90px 0 118px}.universe-bottom{bottom:44px}.universe-label{display:none}.universe-choice{min-height:56px;padding:6px 12px}.universe-choice img{width:32px;height:32px}.universe-disclaimer{margin:5px 0 0;font-size:8px}.motion-button{bottom:50px}}
@media(prefers-reduced-motion:reduce){#catalog-view:not([hidden]){animation:none}.planet-stage canvas{transition:none}.universe-choice{transition:none}}
.universe{height:calc(100svh - 77px)}#cosmic-background{opacity:.37}.catalog-nav{top:77px}
@media(max-width:600px){.universe{height:calc(100svh - 63px)}.catalog-nav{top:63px}}