:root{--paper:#f8f7f2;--ink:#143a37;--muted:#4c6157;--rule:#dce0d7;--mint:#e7eee7;--accent:#ce682f;--white:#fff;--serif:Georgia,'Times New Roman',serif;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:30px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.7}
a{color:inherit;text-underline-offset:5px}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.65}
button[aria-disabled=true]{cursor:not-allowed}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
[hidden]{display:none!important}
.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}
.skip{position:fixed;top:-80px;left:20px;padding:12px;background:white;z-index:20}
.skip:focus{top:10px}
.preview-bar{background:#fff0d5;padding:8px 20px;text-align:center;color:#594320;font-size:18px}
.preview-bar a{font-weight:600;margin-left:10px}
.site-header{display:flex;justify-content:space-between;align-items:center;min-height:112px;border-bottom:1px solid var(--rule)}
.brand{text-decoration:none;display:flex;align-items:center;gap:15px;font-size:16px;letter-spacing:2.3px;font-weight:700;line-height:1.6}
.brand small{font-size:14px;letter-spacing:1.5px;color:var(--muted)}
.brand-mark{font-family:var(--serif);font-size:44px;line-height:1;font-weight:400;letter-spacing:-4px}
.brand-mark span{color:var(--accent)}
nav{display:flex;align-items:center;gap:32px;font-size:18px}
nav a{text-decoration:none}
nav a:hover{text-decoration:underline}
.nav-buy{border:1px solid #c5cec2;padding:10px 17px;border-radius:4px}
.nav-buy span{margin-left:18px}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:52px;padding-block:70px 78px;align-items:center}
.eyebrow{font-size:14px;letter-spacing:2px;font-weight:650;margin:0 0 23px;display:flex;align-items:center;gap:10px}
.small-line{height:1px;width:24px;background:var(--accent)}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(64px,6.5vw,90px);line-height:1.04;letter-spacing:-4.5px;margin:0 0 26px}
h1 em{font-weight:400;color:#2d6961}
h2{font-family:var(--serif);font-size:42px;font-weight:400;line-height:1.2;letter-spacing:-1.3px;margin:0 0 24px}
h3{font-size:19px;font-weight:550;line-height:1.4;margin:0 0 12px}
.subtitle{font-size:21px;line-height:1.45;margin:0 0 22px;letter-spacing:-.3px}
.intro{color:var(--muted);font-size:18px;line-height:1.85;max-width:450px;margin:0 0 30px}
.buy-inline{display:flex;align-items:center;gap:23px;flex-wrap:wrap}
.button{border:1px solid var(--ink);background:var(--ink);color:white;border-radius:4px;padding:16px 21px;display:inline-flex;align-items:center;justify-content:center;gap:20px;font-size:18px;font-weight:550;line-height:1.5;text-decoration:none;transition:background .15s,transform .15s}
.button:hover:not(:disabled){background:#24574f;transform:translateY(-1px)}
.button [data-price]{border-left:1px solid #718b84;padding-left:18px}
.text-link{font-size:18px;font-weight:500}
.purchase-note{font-size:16px;line-height:1.8;color:var(--muted);margin:13px 0 0}
.hero-art{min-height:550px;display:flex;align-items:center;justify-content:center;position:relative;background:#e8ede6;border-radius:140px 140px 6px 6px;isolation:isolate;overflow:hidden}
.hero-art:after{content:'';position:absolute;bottom:28px;left:45px;right:45px;height:40px;background:#2b403b29;filter:blur(20px);border-radius:50%;z-index:-1}
.orbit{position:absolute;width:600px;height:220px;border:1px solid #bbcbbb77;border-radius:50%;transform:rotate(-38deg);z-index:-1}
.orbit-two{transform:rotate(-38deg) translateY(90px)}
.art-note{position:absolute;top:28px;font-size:14px;letter-spacing:3px;color:#41594f}
.book-object{width:272px;transform:perspective(1000px) rotateY(-10deg) rotateZ(3deg);box-shadow:17px 22px 28px #15352c38;position:relative;margin-top:-5px}
.book-object:before{content:'';position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(90deg,#ffffff35,#0007);z-index:1}
.book-object:after{content:'';position:absolute;top:3px;bottom:2px;right:-8px;width:8px;background:repeating-linear-gradient(0deg,#d5d4c8,#d5d4c8 1px,#faf9ee 1px,#faf9ee 3px);transform:skewY(12deg);transform-origin:left}
.book-object img{width:100%;height:auto;display:block}
.format-tag{position:absolute;bottom:25px;right:20px;background:#fcfaf2;padding:13px 18px;display:flex;gap:12px;align-items:center;font-size:14px;letter-spacing:1.6px;line-height:1.8;box-shadow:0 5px 15px #00000008;transform:rotate(-3deg)}
.tag-icon{font-size:27px;color:var(--accent)}
.format-tag strong{font-size:14px;font-weight:600}
.facts-band{border-block:1px solid var(--rule)}
.facts{display:grid;grid-template-columns:1fr 1fr 1.5fr 1.5fr;padding-block:25px}
.facts>div{display:flex;gap:8px;flex-direction:column;padding-left:35px;border-left:1px solid var(--rule)}
.facts>div:first-child{padding-left:0;border:0}
.facts strong{font-family:var(--serif);font-size:25px;font-weight:400;line-height:1.2}
.facts span{font-size:14px;letter-spacing:1.6px;color:var(--muted)}
.section{padding-block:80px}
.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:center;margin-bottom:38px}
.section-heading h2{margin-bottom:0}
.section-heading>p{max-width:300px;font-size:18px;color:var(--muted);line-height:1.85}
.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 52px}
.chapter-grid article{border-top:1px solid var(--rule);padding-block:25px 32px}
.number{color:#8a714f;font-size:14px;letter-spacing:1.6px;display:block;margin-bottom:15px}
.chapter-grid p{max-width:440px;font-size:18px;color:var(--muted);margin:0 0 20px;line-height:1.8}
.topic-line{font-size:14px;color:var(--muted)}
.included-section{background:var(--mint);padding-block:70px}
.included-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}
.included-layout>div>p:not(.eyebrow){font-size:18px;color:var(--muted);max-width:320px;margin-bottom:25px}
.file-list article{display:flex;align-items:center;gap:20px;border-bottom:1px solid #cdd9cd;padding-block:25px}
.file-list article:first-child{padding-top:0}
.file-list article:last-child{border-bottom:0}
.file-list article>span:last-child{margin-left:auto}
.file-icon{width:48px;flex-shrink:0;font-family:monospace;font-size:16px;border:1px solid #b3c5b7;padding-block:14px;text-align:center;border-radius:3px}
.file-list h3{font-size:18px;margin-bottom:5px}
.file-list p{font-size:16px;color:var(--muted);margin:0}
.faq-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}
.faq-list{border-top:1px solid var(--rule)}
details{border-bottom:1px solid var(--rule)}
summary{list-style:none;cursor:pointer;padding:20px 26px 20px 0;font-size:18px;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:'+';position:absolute;right:3px;font-size:20px;top:14px;font-weight:300}
details[open] summary:after{content:'−'}
details p{color:var(--muted);font-size:18px;line-height:1.8;padding:0 22px 20px 0;margin:0}
.closing{padding:35px 0 50px;border-top:1px solid var(--rule);display:flex;align-items:center;justify-content:space-between;gap:35px}
.closing .eyebrow{margin-bottom:10px}
.closing h2{font-size:48px;margin-bottom:8px}
.closing p:not(.eyebrow){font-size:16px;color:var(--muted);margin:0}
.closing .purchase-note{margin-top:10px!important}
.footer{display:flex;justify-content:space-between;gap:20px;padding-block:25px;border-top:1px solid var(--rule);font-size:14px;color:var(--muted)}
.footer>div{display:flex;gap:25px}
.footer a{text-decoration:none}
.error{color:#a43b24;font-size:18px;max-width:480px}
.delivery-main{min-height:calc(100vh - 200px);padding-block:75px}
.delivery-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:start}
.delivery-layout h1{font-size:62px;margin-bottom:25px}
.delivery-copy{max-width:480px;color:var(--muted)}
.delivery-state{margin-block:30px}
.delivery-state p{font-size:18px}
.download-details{display:flex;align-items:center;gap:22px;padding:28px;background:var(--mint);border-radius:6px}
.download-details img{width:98px;height:auto;box-shadow:6px 9px 15px #0002}
.download-details h2{font:500 18px var(--sans);letter-spacing:0;margin:0 0 12px}
.download-details p{font-size:16px;color:var(--muted);margin:3px 0}
.delivery-help{font-size:16px;color:var(--muted);margin-top:30px}
.status-mark{width:48px;height:48px;display:grid;place-items:center;border:1px solid #a3bca7;border-radius:50%;font-size:22px;margin-bottom:30px}
.secondary{background:transparent;color:var(--ink);margin-top:18px}
.secondary:hover:not(:disabled){background:var(--mint)}
.legal{max-width:720px;margin:60px auto 90px}
.legal h1{font-size:54px;letter-spacing:-2px}
.legal h2{font-family:var(--sans);font-size:20px;letter-spacing:0;margin-top:35px}
.legal p{color:var(--muted);font-size:18px;line-height:1.9}
.legal .draft-notice{border-left:3px solid var(--accent);padding:12px 20px;background:#fff0d5;color:#594320}
.delivery-actions{display:flex;gap:12px;flex-wrap:wrap}
.delivery-actions .button{margin-top:15px}
@media(max-width:950px){.wrap{width:calc(100% - 48px)}
.hero{gap:25px}
.hero-art{min-height:480px}
.book-object{width:230px}
.hero h1{font-size:56px;letter-spacing:-2px}
.buy-inline{gap:18px}
.button{padding:14px 17px;gap:12px}
.included-layout,.faq-layout{gap:35px}
.section-heading{gap:35px}
.delivery-layout{gap:35px}
.facts>div{padding-left:20px}
}
@media(max-width:680px){.wrap{width:calc(100% - 40px)}
.site-header{min-height:88px}
nav{gap:14px}
nav>a:not(.nav-buy){display:none}
.brand{font-size:14px;gap:10px;letter-spacing:1.6px}
.brand small{font-size:14px}
.brand-mark{font-size:37px}
.nav-buy{padding:8px 12px;font-size:16px}
.nav-buy span{margin-left:7px}
.hero{grid-template-columns:1fr;padding-block:43px 40px;gap:36px}
.hero h1{font-size:clamp(42px,10.6vw,56px);letter-spacing:-1.5px}
.subtitle{font-size:20px}
.intro{font-size:18px}
.eyebrow{font-size:14px;letter-spacing:1.5px;margin-bottom:20px}
.hero-art{min-height:435px;border-radius:100px 100px 6px 6px}
.book-object{width:218px}
.art-note{top:18px}
.format-tag{bottom:15px;right:12px}
.facts{grid-template-columns:1fr 1fr;gap:25px 15px;padding-block:24px}
.facts>div{padding-left:20px}
.facts>div:nth-child(3){padding-left:0;border:0}
.facts strong{font-size:23px}
.facts span{font-size:14px}
.section{padding-block:48px}
.section-heading{display:block;margin-bottom:25px}
.section-heading>p{max-width:none;margin-top:20px}
h2{font-size:34px}
.chapter-grid{grid-template-columns:1fr}
.chapter-grid article{padding-block:23px}
.included-section{padding-block:45px}
.included-layout,.faq-layout,.delivery-layout{grid-template-columns:1fr;gap:30px}
.file-list article{gap:15px}
.closing{display:block;padding-bottom:35px}
.closing>div+div{margin-top:24px}
.closing h2{font-size:42px}
.footer{font-size:14px;flex-direction:column;gap:12px;padding-bottom:30px}
.footer>div{gap:22px}
.delivery-main{padding-block:42px}
.delivery-layout h1{font-size:49px;letter-spacing:-2px}
.download-details{padding:20px}
.legal{margin:40px auto 65px}
.legal h1{font-size:43px}
.preview-bar{font-size:16px}
.preview-bar a{display:inline-block}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.button{transition:none}
}

:root .skip{opacity:0;pointer-events:none}
:root .skip:focus{opacity:1;pointer-events:auto}

/* The bookshelf shares typography and colors with the individual book pages. */
.collection-hero{padding-block:72px 55px;max-width:1120px}
.collection-hero h1{font-size:clamp(50px,6vw,82px);letter-spacing:-3px;max-width:1000px}
.collection-hero .intro{max-width:590px;font-size:18px;margin-bottom:22px}
.shelf-note{font-size:16px;color:var(--muted)}
.collection-section{padding-bottom:35px}
.collection-heading{display:flex;justify-content:space-between;align-items:end;border-top:1px solid var(--rule);padding-top:32px;margin-bottom:30px}
.collection-heading .eyebrow{margin-bottom:8px}
.collection-heading h2{margin:0}
.collection-count{font-size:16px;color:var(--muted)}
.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.book-card{border:1px solid var(--rule);border-radius:6px;overflow:hidden;background:#fdfcf8;min-width:0}
.card-cover{display:flex;align-items:center;justify-content:center;min-height:305px;background:var(--mint);padding:32px;text-decoration:none}
.card-cover img{width:164px;max-width:100%;height:auto;box-shadow:10px 12px 20px #15352c2b;transform:rotate(-3deg);transition:transform .2s}
.card-cover:hover img{transform:rotate(0)}
.card-copy{padding:25px;min-width:0}
.card-copy .eyebrow{font-size:14px;letter-spacing:1.3px;margin-bottom:14px;text-transform:uppercase}
.card-copy h3{font-family:var(--serif);font-size:30px;font-weight:400;line-height:1.15;letter-spacing:-.5px}
.card-copy h3 a{text-decoration:none}
.card-copy h3 a:hover{text-decoration:underline}
.card-subtitle{font-size:18px;line-height:1.5;margin:0 0 16px}
.card-description{color:var(--muted);font-size:18px;line-height:1.8}
.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-block:23px 18px;flex-wrap:wrap}
.card-bottom>strong{font-family:var(--serif);font-size:26px;font-weight:400}
.card-bottom .button{padding:12px 15px;font-size:16px}
.single-book{grid-template-columns:1fr}
.single-book .book-card{display:grid;grid-template-columns:.8fr 1.2fr}
.single-book .card-cover{min-height:420px}
.single-book .card-cover img{width:220px}
.single-book .card-copy{padding:42px 48px;align-self:center}
.single-book h3{font-size:40px}
.single-book .card-description{font-size:18px}
.single-book .card-bottom{justify-content:flex-start;gap:28px}
.breadcrumb{display:inline-block;font-size:16px;color:var(--muted);margin:0 0 28px;text-decoration:none}
.eyebrow,.facts span,.number{text-transform:uppercase}
.hero-copy{min-width:0}
.hero h1{font-size:clamp(48px,4.8vw,66px);line-height:1.1;letter-spacing:-2px;overflow-wrap:normal}
.catalog-search{display:block;font-size:16px;max-width:440px;margin-bottom:24px}
.catalog-search input{display:block;border:1px solid #c5cec2;background:white;border-radius:4px;width:100%;padding:12px 15px;margin-top:8px}
.catalog-search input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.empty-shelf{padding-block:35px;color:var(--muted)}

@media(max-width:950px){.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.single-book{grid-template-columns:1fr}
.single-book .card-copy{padding:30px}
.single-book h3{font-size:34px}
.collection-hero h1{font-size:68px}
}

@media(max-width:680px){.collection-hero{padding-block:42px 32px}
.collection-hero h1{font-size:49px;letter-spacing:-2px}
.collection-hero .intro{font-size:18px}
.book-grid{grid-template-columns:1fr}
.single-book .book-card{display:block}
.single-book .card-cover{min-height:335px}
.single-book .card-cover img{width:188px}
.single-book .card-copy{padding:25px}
.single-book h3{font-size:33px}
.collection-heading{padding-top:25px}
.card-description{font-size:18px}
.card-cover{min-height:335px}
.card-cover img{width:188px}
.collection-section{padding-bottom:0}
}

@media(prefers-reduced-motion:reduce){.card-cover img{transition:none}
}


/* Comfortable reading and touch targets across all storefront pages. */
.button{min-height:48px}

.nav-buy{min-height:44px;display:inline-flex;align-items:center}

.brand small{letter-spacing:.8px}

.byline{font-size:16px;font-weight:550;margin:-8px 0 24px;color:var(--muted)}

.file-list article>div{min-width:0}

.footer>div{flex-wrap:wrap;row-gap:12px}

.legal{padding-inline:0}

@media(max-width:950px){.hero h1{font-size:56px;letter-spacing:-2px}
}

@media(max-width:680px){
  .site-header{flex-wrap:wrap;gap:14px;padding-block:20px;min-height:0}

  .site-header nav{margin-left:auto}

  .brand{letter-spacing:1px}

  .brand small{font-size:14px;letter-spacing:.4px}

  .hero h1{font-size:clamp(42px,10.6vw,56px);letter-spacing:-1.5px}

  .footer>div{column-gap:20px}

  .download-details{align-items:flex-start;gap:16px}

  .download-details img{width:76px}

  .download-details>div{min-width:0}

}