/* Book-led presentation, reader needs and an accessible page-turn reader. */
.scroll-feature{border:0;padding:0;--opening:0deg;--yaw:-24deg;--tilt:7deg;--shift:-25%;--book-scale:1}
.feature-sticky{position:relative;display:grid;grid-template-columns:1.08fr 1fr;align-items:center;gap:30px;min-height:650px;padding:48px 0 70px}
.feature-story{position:relative;z-index:2}.feature-story>.eyebrow{margin-bottom:28px}.feature-story h1{font-size:clamp(45px,5.4vw,76px);line-height:1.03;letter-spacing:-.065em;max-width:10ch}.feature-story h1 em{display:block}
.feature-book-title{margin-top:28px;font-size:11px;text-transform:uppercase;letter-spacing:1px}.feature-book-title span{display:block;margin-top:7px;font-size:19px;letter-spacing:-.025em;text-transform:none;font-weight:600}.feature-story-caption{font-size:15px;max-width:34ch;min-height:3.3em;margin-top:12px;line-height:1.65}.feature-story .actions{gap:12px 24px;margin-top:22px}
.book-scene{height:510px;position:relative;display:grid;place-items:center;perspective:1500px;color:var(--muted);text-decoration:none!important;isolation:isolate}.book-scene:before{content:'';position:absolute;inset:20% 0 2%;background:radial-gradient(ellipse at 60% 65%,#dfc55748,transparent 65%);z-index:-1}.book-assembly{position:relative;width:48%;aspect-ratio:568/800;transform-style:preserve-3d;transform:translateX(var(--shift)) rotateX(var(--tilt)) rotateY(var(--yaw)) scale(var(--book-scale));will-change:transform}
.book-paper-stack{position:absolute;inset:2px -7px -5px 0;background:repeating-linear-gradient(0deg,#d4cec0 0 1px,#fffdf5 1px 3px);transform:translateZ(-4px);box-shadow:12px 24px 24px #17171724}.book-inner-page{position:absolute;inset:0;background:#fffdf5;overflow:hidden}.book-inner-page img,.book-face img{display:block;width:100%;height:100%;object-fit:fill}.book-inner-page:after{content:'';position:absolute;inset:0;box-shadow:inset 12px 0 14px -12px #17171790}.book-front-leaf{position:absolute;inset:0;transform-style:preserve-3d;transform-origin:left center;transform:rotateY(var(--opening));will-change:transform}.book-face{position:absolute;inset:0;backface-visibility:hidden;background:white;overflow:hidden}.inside-face{transform:rotateY(180deg)}.scene-invitation{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-size:10px;letter-spacing:1px;text-transform:uppercase}
.feature-progress{position:absolute;bottom:23px;left:0;right:0;display:flex;gap:24px;font-size:10px;color:#777062;border-top:1px solid var(--line);padding-top:14px}.feature-progress span{transition:color .2s}.feature-progress .is-current{color:var(--ink);font-weight:700}.motion-ready{height:175svh;min-height:1050px}.motion-ready .feature-sticky{position:sticky;top:87px;height:calc(100svh - 87px);min-height:600px;max-height:850px}
.discovery-section{scroll-margin-top:90px;padding:75px 0;border:0}.discovery-heading{max-width:720px}.discovery-heading h2{font-size:clamp(35px,4.3vw,58px);line-height:1.08;margin:20px 0}.discovery-heading>p{font-size:16px;max-width:52ch}.need-options{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.need-button{font:inherit;font-size:13px;min-height:48px;padding:12px 17px;border:1px solid #aaa699;background:transparent;color:var(--ink);cursor:pointer;border-radius:0}.need-button:hover{background:#ede9dd}.need-button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.discovery-context{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding:20px 0;border-top:1px solid var(--line)}.discovery-context p{color:var(--ink);font-size:14px;font-weight:600}.discovery-context span{font-size:12px;white-space:nowrap;color:var(--muted)}.discovery-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 36px}.discovery-card{min-width:0;display:flex;flex-direction:column}.discovery-cover{display:flex;align-items:center;justify-content:center;height:340px;background:#eeece3;overflow:hidden;padding:36px}.discovery-cover .book-object{max-width:90%;max-height:100%;object-fit:contain}.discovery-cover .object-01{width:340px}.discovery-cover .object-02{width:193px;transform:perspective(900px) rotateY(-9deg) rotateZ(-3deg);filter:drop-shadow(14px 20px 14px #17171724)}.discovery-cover .object-03{width:310px;filter:none}.discovery-cover.art-04{background:#171717}.discovery-cover .forthcoming-art{width:280px;max-width:100%;min-height:245px}.discovery-copy{padding-top:25px;display:flex;flex-direction:column;flex:1;align-items:flex-start}.discovery-topics{font-size:10px;line-height:1.6;letter-spacing:1px;text-transform:uppercase}.discovery-copy h3{font-size:29px;line-height:1.16;letter-spacing:-.035em;margin:13px 0}.discovery-copy h3 a{text-decoration:none}.discovery-copy h3 a:hover{text-decoration:underline;text-underline-offset:4px}.discovery-copy p[data-recommendation]{font-size:15px;line-height:1.7;max-width:47ch}.discovery-byline{font-size:11px;margin-top:16px!important}.discovery-copy .actions{padding-top:23px;margin-top:auto;gap:22px}.reading-status{font-size:10px;margin-bottom:10px;border-left:2px solid #95801a;padding-left:8px;color:#5d542e}.reading-comparison{margin-top:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.reading-comparison summary{font-size:14px!important;min-height:62px;padding:20px 0!important;cursor:pointer}.reading-comparison table{font-size:13px}.reading-comparison .comparison-scroll{margin-bottom:20px}.catalogue-intro{padding-bottom:5px}.catalog-page .discovery-section{padding-top:40px}
.site-footer .footer-ecosystem .portal-logo,.site-footer .footer-ecosystem .academy-logo{width:100px;min-width:100px;height:55px;background:transparent}.site-footer .footer-ecosystem .portal-logo img{width:82px;height:auto}.site-footer .footer-ecosystem .academy-logo img{width:94px;height:auto}.site-footer .footer-ecosystem>div{gap:20px}.site-footer .footer-ecosystem p{font-size:12px}.footer-legal{display:block}.proposal-route{border-top:1px solid var(--line);padding-top:25px}.proposal-route h3{font-size:27px;margin-bottom:15px}.proposal-route .btn{margin-top:22px}.proposal-route .note{font-size:12px;margin-top:14px}
.folio-dialog .reader-toolbar button,.folio-dialog .reader-toolbar select{min-height:44px}.folio-viewport{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;perspective:2000px;padding:22px;touch-action:pan-y;overflow:auto}.folio-book{position:relative;flex:none;width:min(100%,calc((min(850px,94dvh) - 250px) * 1.4286));margin:auto;perspective:2000px;isolation:isolate;box-shadow:0 12px 28px #17171722}.folio-base{display:flex;width:100%}.folio-paper{position:relative;flex:1;min-width:0;margin:0;background:#fff;aspect-ratio:5/7;overflow:hidden}.folio-paper img{display:block;width:100%;height:100%;object-fit:contain;background:#fff}.folio-paper:first-child:after{content:'';position:absolute;right:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,transparent,#17171715);pointer-events:none}.folio-paper:last-child:after{content:'';position:absolute;left:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,#17171715,transparent);pointer-events:none}.folio-turn{position:absolute;top:0;bottom:0;width:50%;left:50%;transform-origin:left center;transform-style:preserve-3d;will-change:transform;z-index:3}.folio-turn.is-backward{left:0;transform-origin:right center}.folio-face{position:absolute;inset:0;backface-visibility:hidden;background:#fff;overflow:hidden}.folio-back{transform:rotateY(180deg)}.folio-face img{width:100%;height:100%;display:block;object-fit:contain}.folio-face:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#17171720,transparent 20%,transparent 80%,#17171712)}.folio-viewport.is-zoomed{display:block;touch-action:auto}.folio-viewport.is-zoomed .folio-book{width:1800px;max-width:none;margin:0 auto}.swipe-hint{display:none}.folio-dialog .reader-footer>div{display:flex;gap:18px;align-items:center}.folio-dialog .reader-status:empty{display:none}
@media(max-width:1050px) and (min-width:761px){.feature-story h1{font-size:54px}.feature-sticky{gap:10px}.book-scene{height:420px}.discovery-cover{height:310px;padding:28px}.feature-story .actions{gap:10px}.feature-story .text-link{font-size:12px}}
@media(max-width:760px){.feature-sticky{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:29px 0 52px;min-height:0}.feature-story>.eyebrow{font-size:8px;margin-bottom:17px}.feature-story h1{font-size:clamp(37px,9.3vw,57px);line-height:1.04;max-width:none}.feature-story h1 em{display:inline}.feature-book-title{margin-top:18px;font-size:9px}.feature-book-title span{display:inline;margin-left:8px;font-size:14px}.feature-story-caption{font-size:13px;max-width:39ch;min-height:3.3em;margin-top:8px}.feature-story .actions{margin-top:14px;gap:12px}.feature-story .btn{padding:12px 16px;font-size:12px}.feature-story .text-link{font-size:11px}.book-scene{height:290px;min-height:205px;flex:1}.book-assembly{width:36%;max-width:170px}.scene-invitation{font-size:8px;bottom:3px}.feature-progress{bottom:14px;font-size:8px;gap:22px;padding-top:10px}.motion-ready{height:165svh;min-height:950px}.motion-ready .feature-sticky{top:75px;height:calc(100svh - 75px);min-height:620px;max-height:900px}.discovery-section{padding:48px 0;scroll-margin-top:80px}.discovery-heading h2{font-size:35px;margin:17px 0}.discovery-heading>p{font-size:14px}.need-options{gap:8px;margin:24px 0}.need-button{font-size:12px;padding:10px 13px;min-height:44px}.discovery-context{gap:12px;padding:17px 0}.discovery-context p{font-size:12px}.discovery-context span{font-size:11px}.discovery-results{grid-template-columns:1fr;gap:38px}.discovery-cover{height:300px;padding:28px}.discovery-cover .object-01{width:300px}.discovery-cover .object-02{width:170px}.discovery-cover .object-03{width:275px}.discovery-cover .forthcoming-art{min-height:230px}.discovery-copy{padding-top:21px}.discovery-copy h3{font-size:27px}.discovery-copy p[data-recommendation]{font-size:14px;max-width:none}.discovery-copy .actions{padding-top:18px;gap:24px}.reading-comparison{margin-top:32px}.reading-comparison summary{font-size:13px!important}.catalog-page .discovery-section{padding-top:24px}.site-footer .footer-ecosystem>div{flex-direction:row;align-items:center;gap:15px}.site-footer .footer-ecosystem .portal-logo,.site-footer .footer-ecosystem .academy-logo{width:88px;min-width:88px;height:48px}.site-footer .footer-ecosystem .portal-logo img{width:75px}.site-footer .footer-ecosystem .academy-logo img{width:84px}.site-footer .footer-ecosystem p{font-size:11px}.folio-dialog .reader-toolbar{gap:8px;padding:10px 12px;flex-wrap:nowrap}.folio-dialog .reader-pagination{gap:5px;min-width:0;justify-content:flex-start}.folio-dialog .reader-toolbar button,.folio-dialog .reader-toolbar select{font-size:11px;padding:8px}.folio-dialog .reader-toolbar select{width:90px}.folio-viewport{padding:16px 10px}.folio-book{width:min(100%,calc((100dvh - 240px) * .7143))}.folio-paper:last-child{display:none}.folio-paper:first-child:after{display:none}.folio-turn{left:0;width:100%}.folio-viewport.is-zoomed .folio-book{width:1000px}.swipe-hint{display:block;font-size:9px}.folio-dialog .reader-footer>div{display:block}.folio-dialog .reader-footer{padding:7px 14px max(7px,env(safe-area-inset-bottom))}.folio-dialog .reader-header h2{font-size:16px}}
.folio-book{user-select:none;-webkit-user-select:none}.folio-book img{-webkit-user-drag:none}
.discovery-section{scroll-margin-top:0}
@media(max-height:650px){.motion-ready{height:auto;min-height:0}.motion-ready .feature-sticky{position:relative;top:0;height:auto;min-height:0}.motion-ready .book-scene{height:300px;flex:auto}}
@media(max-width:760px){.book-assembly{width:48%;max-width:190px}}
@media(max-width:360px){.feature-story h1{font-size:33px}.feature-story .actions{gap:10px}.feature-story .text-link{font-size:10px}.feature-story .btn{padding:11px 13px}.folio-dialog .reader-toolbar button{padding:8px 6px;font-size:10px}.folio-dialog .reader-toolbar select{width:81px;font-size:10px}.folio-dialog .reader-header h2{font-size:14px}}
@media(prefers-reduced-motion:reduce){.scroll-feature{height:auto!important;min-height:0!important}.scroll-feature .feature-sticky{position:relative;height:auto;min-height:0;top:auto}.feature-progress{display:none}.book-assembly{transform:rotateY(-12deg)}.book-front-leaf{transform:none}.feature-sticky{padding-bottom:35px}*,*:before,*:after{scroll-behavior:auto!important}}
/* Quick edition selector and the paper of the supplied Startup edition. */
.hero-picker{margin-top:24px;max-width:410px}.hero-picker-label{display:block;font-size:10px;letter-spacing:1px;text-transform:uppercase;margin-bottom:9px;color:var(--muted)}.hero-book-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid #b9b3a6}.hero-book-options button{appearance:none;min-height:44px;padding:10px 8px;border:0;border-right:1px solid #b9b3a6;border-radius:0;background:transparent;color:var(--ink);font-size:12px;cursor:pointer}.hero-book-options button:last-child{border-right:0}.hero-book-options button:hover{background:#eae5d8}.hero-book-options button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.hero-book-options button:focus-visible{position:relative;z-index:1;outline-offset:3px}.feature-book-title{margin-top:22px;min-height:62px;max-width:440px}.feature-book-title .feature-edition{font-size:9px;letter-spacing:1px;text-transform:uppercase;font-weight:400;margin:0}.feature-book-title [data-feature-title]{font-size:18px;line-height:1.25;margin-top:6px}.feature-story-caption{min-height:5em;margin-top:8px}.feature-story .actions{margin-top:12px}.book-assembly{aspect-ratio:var(--cover-ratio,568/800)}.book-scene[aria-busy=true]{cursor:progress}.is-landscape .book-assembly{width:50%}.book-inner-page img,.book-face img{object-fit:contain}.discovery-cover .object-03{width:185px;height:100%;display:flex;align-items:center;filter:drop-shadow(10px 16px 10px #0004)}.discovery-cover .object-03 img{max-height:100%;width:auto;max-width:100%;object-fit:contain}.product-stage .object-03{width:270px;max-height:100%;display:flex;align-items:center;transform:perspective(1000px) rotateY(-9deg) rotateZ(-3deg);filter:drop-shadow(15px 20px 14px #0005)}.product-stage .object-03 img{max-height:430px;width:auto;max-width:100%;object-fit:contain}
[data-paper]{--page-stock:#fffefa;--paper-grain:.16}[data-paper=cream]{--page-stock:#fbf7ed;--paper-grain:.24}.book-inner-page,.inside-face,.folio-paper,.folio-face{background:var(--page-stock,#fffefa)}.book-inner-page img,.inside-face img,.folio-paper img,.folio-face img{mix-blend-mode:multiply;background:transparent}.book-inner-page:before,.inside-face:before,.folio-paper:before,.folio-face:before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;opacity:var(--paper-grain,.16);background-image:radial-gradient(ellipse at 30% 40%,#967b4522 0 .6px,transparent .9px),radial-gradient(ellipse at 70% 30%,#fff9 0 .5px,transparent 1px);background-size:3px 4px,5px 3px}.book-paper-stack{background:repeating-linear-gradient(0deg,#d9d1bd 0 1px,var(--page-stock,#fffefa) 1px 3px)}.is-manuscript .front-face{background:#fffefa}.is-manuscript .front-face img{mix-blend-mode:multiply}.folio-book{width:min(100%,calc((min(850px,94dvh) - 250px) * var(--spread-ratio,1.4286)))}.folio-paper{aspect-ratio:var(--page-ratio,.7143)}
@media(max-width:760px){.hero-picker{margin-top:17px;max-width:none}.hero-picker-label{font-size:8px;margin-bottom:6px}.hero-book-options button{font-size:11px;padding:9px 5px}.feature-book-title{margin-top:14px;min-height:45px}.feature-book-title .feature-edition{display:block;font-size:8px;margin:0}.feature-book-title [data-feature-title]{display:block;margin:5px 0 0;font-size:15px;line-height:1.2}.feature-story-caption{font-size:12px;min-height:3.3em;margin-top:9px}.feature-story>.eyebrow{margin-bottom:13px}.feature-sticky{padding-top:23px}.book-scene{min-height:170px}.book-assembly{width:44%;max-width:170px}.is-landscape .book-assembly{width:48%}.product-stage .object-03{width:190px}.product-stage .object-03 img{max-height:285px}.discovery-cover .object-03{width:170px}.folio-book{width:min(100%,calc((100dvh - 240px) * var(--page-ratio,.7143)))}.motion-ready .feature-sticky{min-height:680px}}
@media(max-width:360px){.hero-book-options button{font-size:10px}.feature-story h1{font-size:31px}.feature-book-title [data-feature-title]{font-size:14px}.book-assembly{max-width:140px}.scene-invitation{bottom:0}.feature-sticky{padding-bottom:46px}.motion-ready .feature-sticky{min-height:665px}}
@media(max-height:730px){.motion-ready{height:auto;min-height:0}.motion-ready .feature-sticky{position:relative;top:0;height:auto;min-height:0;max-height:none}.motion-ready .book-scene{height:320px;flex:auto}}
.author-portrait{display:block;width:112px;height:112px;object-fit:cover;object-position:center 30%;border-radius:0;margin-bottom:20px;background:#e8e3d7}.contributor .author-portrait{width:112px;height:112px}.premium-site .author .author-portrait{width:128px;height:128px;margin-top:4px}.sample-preview[data-paper=cream]{background:var(--page-stock)}.sample-preview[data-paper=cream]>img{mix-blend-mode:multiply}.sample-preview[data-paper=cream]:before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(#967b4510 .5px,transparent .8px);background-size:3px 4px;z-index:1}.sample-preview .preview-label{z-index:2}@media(max-width:760px){.contributor .author-portrait{width:96px;height:96px}.premium-site .author .author-portrait{width:110px;height:110px}}