@font-face{font-family:'Gothic A1';src:url('assets/fonts/gothic-a1-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Gothic A1';src:url('assets/fonts/gothic-a1-extrabold.woff2') format('woff2');font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:'Gothic A1';src:url('assets/fonts/gothic-a1-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Gothic A1';src:url('assets/fonts/gothic-a1-semibold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:ReulReul;src:url('assets/fonts/reulreul-preview-240.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
:root{--paper:#f1f1f1;--ink:#171717;--surface:#e2e2e2;--muted:#555;--line:#bbb;--ui:'Gothic A1',sans-serif;--gutter:clamp(20px,4vw,64px);--page-max:1280px;--bar:80px;font-family:var(--ui);font-weight:600;line-height:1.45;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-padding-top:calc(var(--bar) + 16px);scroll-behavior:smooth;color-scheme:light}
@media(min-width:1600px){:root{--page-max:1440px}}
main,.masthead,.site-footer{width:100%;max-width:var(--page-max);margin-inline:auto}
*{box-sizing:border-box}body{margin:0}p,h1,h2,h3,figure{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button{border-radius:999px}select,input:not([type=checkbox]):not([type=radio]):not([type=range]){border-radius:10px}textarea{border-radius:0}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip{position:fixed;top:-100px;left:20px;z-index:10;padding:12px;background:var(--paper)}.skip:focus{top:8px}
.masthead{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:var(--bar);padding:8px var(--gutter);background:rgb(241 241 241 / .8)}.wordmark{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-height:64px}.wordmark-glyph{display:block;width:34px;height:64px;font-family:ReulReul,serif;font-size:34px;font-weight:400;line-height:1;writing-mode:vertical-rl;text-orientation:upright;font-feature-settings:'dlig' 1;letter-spacing:0}.wordmark-name{font-family:var(--ui);font-size:15px;font-weight:800;line-height:1.3;letter-spacing:0;white-space:nowrap}.masthead nav{display:flex;gap:8px;align-items:center;font-size:12px}.masthead nav a{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:0;border-radius:0;background:transparent;white-space:nowrap}.masthead nav a:hover,.masthead nav a:focus-visible{text-decoration:underline;text-underline-offset:4px}.masthead nav a:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.masthead .nav-register{margin-left:8px;background:var(--ink);color:var(--paper);font-weight:700;border-radius:999px}.masthead .nav-register:hover,.masthead .nav-register:focus-visible{background:var(--ink);color:var(--paper);text-decoration:none}
.flow-intro{--lean:0deg;position:relative;isolation:isolate;height:320px;overflow:hidden;background:var(--paper)}.intro-caption{position:absolute;z-index:2;inset:16px var(--gutter) auto;display:flex;align-items:baseline;gap:16px;font-size:14px}.intro-caption span{margin-left:auto;font-size:12px}.flow-field{position:absolute;inset:48px var(--gutter) 64px;display:flex;justify-content:center;align-items:center;gap:clamp(32px,9vw,160px);transform:rotate(var(--lean));transition:transform .6s ease-out;pointer-events:none}.flow-line{writing-mode:vertical-rl;text-orientation:upright;font-family:ReulReul,serif;font-feature-settings:'dlig' 1;font-size:64px;line-height:1.1;white-space:nowrap;animation:flow-drift 9s ease-in-out infinite alternate;animation-play-state:paused}.line-two{animation-delay:-6s;animation-duration:11s}.line-three{animation-delay:-3s;font-size:112px}.line-four{animation-delay:-8s;animation-duration:12s}.is-moving .flow-line{animation-play-state:running}.intro-actions{position:absolute;z-index:2;inset:auto var(--gutter) 12px;display:flex;align-items:center;justify-content:space-between;gap:20px}.intro-switches{display:flex;align-items:center;gap:8px;min-width:0;flex-wrap:wrap}.intro-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:var(--surface);padding:8px 12px;font-size:12px;line-height:1.3;min-height:44px;white-space:nowrap}.intro-actions button:hover,.intro-actions button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.enter-tester{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:40px;min-height:44px;padding:0 16px;background:var(--ink);color:var(--paper);font-size:16px;margin-left:auto}.icon{display:block;flex:0 0 auto;width:18px;height:18px;overflow:visible;pointer-events:none}#motion-toggle[aria-pressed=false] .icon-play,#motion-toggle[aria-pressed=true] .icon-pause{display:none}@keyframes flow-drift{from{transform:translateY(-12px)}to{transform:translateY(12px)}}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:12px}.section-heading h2{font-size:22px;line-height:1.3;font-weight:800;letter-spacing:-.04em}.section-heading>span{font-size:12px;color:var(--muted)}.book{padding:16px var(--gutter)}.book-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;align-items:start}.book-gallery{min-width:0}.book-gallery figure{margin:0}.book-stage{width:100%;position:relative;isolation:isolate;overflow:hidden;max-height:760px;aspect-ratio:2162/1524;background:#111}.book-stage>#book-original{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#111}.book-scene{position:absolute;inset:0;visibility:hidden}.book-scene canvas{display:block;width:100%;height:100%;touch-action:pan-y}.book-stage.is-3d .book-scene{visibility:visible}.book-stage.is-3d>#book-original{opacity:0;pointer-events:none}.book-stage.is-3d>#book-original:focus-visible{opacity:1;pointer-events:auto}.book-gallery img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain}.book-fallback{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:12px}.book-fallback a{padding-block:12px;text-decoration:underline}dl{margin:0}dl>div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:12px;padding:5px 0;font-size:13px;line-height:1.7}dt{color:var(--muted)}dd{margin:0}.book-contact{display:grid;gap:6px;margin-top:20px;font-size:13px}.book-contact a{width:fit-content;min-height:24px;border-bottom:1px solid var(--line)}.story{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px;padding:16px var(--gutter)}.body-copy{columns:2;column-gap:32px;max-width:1080px;font-size:14px;line-height:1.6;word-break:keep-all}.body-copy p{margin-bottom:8px;break-inside:avoid}
.workspace-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:0 var(--gutter) 8px}.workspace-heading h1{font-size:22px;font-weight:400}.workspace-heading p{font-size:12px;color:var(--muted)}.workspace-heading p span{margin-left:16px}.tester{padding-block:16px 8px}.type-toolbar{padding:0 var(--gutter) 8px}.test-controls{display:grid;grid-template-columns:minmax(140px,1fr) minmax(150px,1fr) minmax(140px,1fr) auto;gap:20px;align-items:center}.test-controls>label{font-size:12px;min-width:0}.select-label{display:flex;align-items:center;gap:12px}.select-label>.control-name{flex-shrink:0;white-space:nowrap}.select-field{position:relative;display:block;flex:1;min-width:0}.select-field .select-caret{position:absolute;right:12px;top:50%;width:16px;height:16px;transform:translateY(-50%)}.select-label select{width:100%;min-width:0;height:44px;padding:0 40px 0 10px;border:1px solid var(--muted);background:transparent;font-size:12px;appearance:none;-webkit-appearance:none}.range-label{display:grid;grid-template-columns:auto auto minmax(40px,1fr);align-items:center;gap:8px;white-space:nowrap}.range-label output{font-size:11px;font-variant-numeric:tabular-nums;min-width:34px}.range-label input{width:100%;margin:0;accent-color:var(--ink);height:44px}.outline-button{border:1px solid var(--ink);background:transparent;padding:10px 14px;min-height:44px;font-size:13px}.outline-button:hover:not(:disabled){background:var(--ink);color:var(--paper)}.feature-controls{display:flex;align-items:center;flex-wrap:wrap;gap:6px 24px;margin-top:8px;font-size:12px}.feature-controls label{display:flex;align-items:center;gap:7px;min-height:44px;cursor:pointer}.stylistic-controls{display:flex;align-items:center;gap:4px;max-width:100%}.stylistic-controls>span{font-size:12px;white-space:nowrap;margin-right:4px}.stylistic-controls label{min-width:44px;justify-content:center;gap:4px}input[type=radio]{width:16px;height:16px;margin:0;accent-color:var(--ink);flex:0 0 16px}.type-canvas{height:280px;padding:16px var(--gutter);background:#fff}.type-canvas textarea{display:block;width:100%;height:100%;padding:0;border:0;resize:none;background:transparent;font-family:ReulReul,serif;font-size:64px;line-height:1.3;writing-mode:vertical-rl;text-orientation:upright;font-feature-settings:'dlig' 1;overflow:auto;caret-color:currentColor}.type-canvas.inverted{background:var(--ink);color:var(--paper)}.type-canvas textarea:focus-visible{outline:2px solid currentColor;outline-offset:6px}.tester-caption{padding:6px var(--gutter);font-size:11px;line-height:1.6}.canvas-note br{display:none}.fine-print{font-size:12px;line-height:1.5;color:var(--muted)}.edition{margin-top:12px;font-size:13px}.edition-details dl{padding-block:4px 8px}.edition-details dl>div{grid-template-columns:72px 1fr}.purchase-button{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;min-height:44px;border:0;background:var(--ink);color:var(--paper);padding:10px 14px;margin-top:16px;font-size:14px}.edition-details>.fine-print{margin-top:8px}
.account-section{padding:16px var(--gutter)}.account-section>h2{font-size:22px;font-weight:800;letter-spacing:-.04em}.dialog-eyebrow{font-size:11px;color:var(--muted);margin-bottom:6px}.demo-notice{font-size:12px;line-height:1.7;margin:8px 0 16px}.account-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;max-width:880px}.account-section form{min-width:0}.account-section fieldset{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;min-width:0;margin:0;padding:0;border:0}.account-section fieldset>.fine-print{grid-column:1/-1}.account-section h3{font-size:17px;font-weight:700;margin-bottom:4px;grid-column:1/-1}.account-section label{display:grid;gap:7px;font-size:12px;min-width:0}.account-section input:not([type=checkbox]){width:100%;height:44px;min-width:0;padding:8px 10px;background:transparent;border:1px solid #99978e;font-size:16px}.account-section input:not([type=checkbox]):hover{border-color:var(--ink)}.account-section input:focus{border-color:var(--ink)}.account-section input[name=code]{font-family:var(--ui);letter-spacing:.02em}.account-section label:has([name=code]),.account-section .check-label,.account-section .license,.account-section fieldset>button{grid-column:1/-1}.account-section .check-label{display:flex;align-items:center;min-height:44px;gap:9px;font-size:12px;line-height:1.6;cursor:pointer}.account-section .check-label input{margin:0}input[type=checkbox]{appearance:none;display:inline-grid;place-content:center;flex:0 0 16px;width:16px;height:16px;margin:0;padding:0;border:1px solid #777;border-radius:4px;background:transparent;cursor:pointer}input[type=checkbox]:checked{background:var(--ink);border-color:var(--ink)}input[type=checkbox]::before{content:"";width:8px;height:4px;border-left:1.5px solid var(--paper);border-bottom:1.5px solid var(--paper);transform:translateY(-1px) rotate(-45deg);opacity:0}input[type=checkbox]:checked::before{opacity:1}.license{font-size:12px;line-height:1.6;padding:0}.license h4{font-size:13px;margin:16px 0 6px}.license p,.license ul{margin:8px 0 14px}.license ul{padding-left:20px}.license code{font:inherit}.text-button{border:0;border-bottom:1px solid currentColor;background:none;padding:8px 0;font-size:13px;min-height:40px}.returning-account{min-width:0}.password-help{margin-top:8px;font-size:13px}.password-help .fine-print{margin-bottom:14px}#forgot-form fieldset{grid-template-columns:1fr}#login-form fieldset{display:block}.login-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-top:12px}.login-fields>button{grid-column:1/-1}#account-message{font-size:13px;line-height:1.7;overflow-wrap:anywhere}#account-message:not(:empty){margin-top:12px}#buyer-account>p{font-size:13px;line-height:1.8;margin:12px 0}#buyer-account button{margin-right:12px}.noscript-note{padding:20px var(--gutter);font-size:13px}
.site-footer{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:12px 24px;padding:16px var(--gutter);font-size:12px;line-height:1.5;border-top:1px solid var(--line)}.site-footer h2{font-size:11px;font-weight:400;color:var(--muted);margin-bottom:4px}.footer-identity{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;align-content:start}.footer-identity>h2{grid-column:1/-1}.footer-identity>p+p{margin-top:0}.footer-contact{display:grid;align-content:start;gap:8px}.footer-contact a{display:block;width:fit-content;min-height:28px}.footer-contact h2{font-weight:700}.footer-typefaces{grid-column:1/3;color:var(--muted);font-size:11px}.footer-links{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:11px}.footer-links>a{display:flex;align-items:center;gap:8px;min-height:40px;white-space:nowrap}
@media(max-width:900px){.test-controls{grid-template-columns:1fr 1fr;gap:8px 24px}.test-controls>button{justify-self:start;min-height:44px;padding:6px 10px}.feature-controls{gap:0 18px}.account-layout{gap:24px}.site-footer{gap:16px 24px}.footer-typefaces{grid-column:1/-1}.footer-links{grid-column:1/-1;justify-content:flex-start;gap:32px}}
@media(max-width:640px){:root{--gutter:20px}.intro-caption{inset:14px var(--gutter) auto;gap:12px}.intro-caption span{font-size:10px}.flow-intro{height:280px}.flow-field{inset:48px 20px 64px;gap:clamp(12px,5vw,28px)}.flow-line{font-size:44px}.line-three{font-size:88px}.intro-switches{gap:8px;width:100%}.intro-actions{gap:8px;flex-wrap:wrap}.intro-actions button{flex:1;gap:6px;padding-inline:8px;font-size:11px}.intro-actions button .icon{width:16px;height:16px}.enter-tester{flex-basis:100%;gap:8px;font-size:14px;padding-inline:10px}.book,.story{padding-block:16px}.section-heading{margin-bottom:12px}.book>.section-heading{display:block}.book>.section-heading>span{display:block;margin-top:4px}.section-heading h2{font-size:20px}.book-layout{grid-template-columns:1fr;gap:12px}.book-stage{width:calc(100% + var(--gutter)*2);margin-inline:calc(var(--gutter)*-1);max-height:none}.book-details dl{display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.book-details dl>div{grid-template-columns:1fr;gap:2px;padding:8px 0;font-size:12px}.book-contact{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.body-copy{columns:1;font-size:13px;line-height:1.6}.workspace-heading{padding-block:0 8px;align-items:center}.workspace-heading h1{font-size:20px}.workspace-heading p{font-size:10px}.workspace-heading p span{display:block;margin:4px 0 0}.test-controls{gap:8px 16px}.range-label{grid-template-columns:auto auto minmax(32px,1fr);gap:5px}.test-controls>label{font-size:11px}.select-label{gap:6px}.select-label>.control-name{display:none}.select-label select{height:44px}.type-toolbar{padding-bottom:8px}.feature-controls{gap:0 12px}.feature-controls label{font-size:12px;min-height:44px}.type-canvas{height:224px;padding:12px var(--gutter)}.type-canvas textarea{font-size:48px}.tester-caption{display:block;padding-block:8px;font-size:10px}.tester-caption .fine-print{font-size:10px}.edition{padding-block:0}.edition-details dl>div{font-size:12px;padding-block:8px}.account-section{padding-block:16px}.account-section>h2{font-size:22px}.account-layout{grid-template-columns:1fr;gap:16px}.account-section fieldset{gap:12px 14px}.account-section .demo-notice{margin:8px 0 12px;font-size:11px}.returning-account{padding-top:0}.login-fields{grid-template-columns:1fr 1fr}#forgot-form fieldset{grid-template-columns:1fr 1fr}#forgot-form label:first-child{grid-column:1/-1}.site-footer{grid-template-columns:1fr 1fr;font-size:11px;padding-block:16px;gap:12px}.footer-identity{grid-column:1/-1}.footer-identity>p{display:inline-block;vertical-align:top;margin:0 24px 0 0}.footer-identity>p+p{margin-top:0}.footer-typefaces{font-size:10px}.footer-links{gap:16px;justify-content:space-between}}
@media(max-width:360px){.account-section fieldset,.login-fields{grid-template-columns:1fr}.book-details dl{column-gap:12px}.feature-controls{gap:0 8px}.intro-caption span{display:none}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.flow-line{animation:none!important}.flow-field{transform:none;transition:none}}
@media(forced-colors:active){input[type=checkbox]{appearance:auto}input[type=checkbox]::before{display:none}.enter-tester,.purchase-button{border:1px solid ButtonText}}

/* Original pages and the WebGL reader share the same controls. */
.book-reader{min-width:0}.book-pagination{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:0}.book-pagination>button{display:inline-flex;flex-direction:column;gap:3px;padding:4px 0;white-space:nowrap;align-items:center;justify-content:center;border:0;background:transparent;flex:0 0 44px;min-width:44px;min-height:48px;font-size:11px}.book-pagination>span{display:flex;flex-direction:column;gap:2px;align-items:center;font-size:11px;font-variant-numeric:tabular-nums}.type-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:16px var(--gutter);padding:0;border-radius:16px;overflow:hidden;background:#171717;color:#f1f1f1}.type-details>section{padding:24px}.type-details>section+section{border-inline-start:1px solid #555}.type-details .section-heading>span{color:#bbb}.type-details a:focus-visible,.type-details summary:focus-visible{outline:2px solid #fff;outline-offset:4px}.story-layout{min-width:0}.story-specimen{display:none}.story-layout .body-copy{columns:1;max-width:none}.forms,.glyphs{min-width:0}.forms-specimen{display:flex;align-items:center;justify-content:space-around;gap:16px;margin:8px 0;overflow:hidden;font-family:ReulReul,serif;font-feature-settings:'dlig' 1;font-size:36px;line-height:1.2}.forms-specimen span{writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap}.forms .body-copy{max-width:none}.glyph-list{width:100%;max-width:100%;height:11.2em;padding:12px 8px 16px;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;writing-mode:vertical-rl;text-orientation:upright;white-space:normal;word-break:break-all;font-family:ReulReul,serif;font-size:24px;line-height:1.6;letter-spacing:.06em;text-align:start;margin:8px 0;scrollbar-width:thin;scrollbar-color:#999 #171717}.glyph-list:focus-visible{outline:2px solid #fff;outline-offset:4px}.text-link{display:flex;justify-content:space-between;align-items:center;gap:40px;width:fit-content;min-height:44px;border-bottom:1px solid var(--ink);font-size:15px}.text-link .icon{width:20px;height:20px}
@media(max-width:640px){.story{display:block;padding-block:16px}.type-details{grid-template-columns:1fr;gap:0;margin-inline:0;border-radius:0;padding:0}.type-details>section{padding:20px var(--gutter)}.type-details>section+section{border-inline-start:0;border-block-start:1px solid #555}.forms-specimen{font-size:30px;margin:8px 0}.forms .body-copy{columns:1}.glyphs .section-heading{display:block}.glyphs .section-heading>span{display:block;margin-top:8px}.book-pagination>span{gap:2px}}.book-pagination>a{display:inline-flex;flex-direction:column-reverse;justify-content:center;align-items:center;gap:3px;min-height:48px;min-width:56px;white-space:nowrap;text-decoration:underline;text-underline-offset:3px;font-size:11px}
@media(max-width:640px){.site-footer .footer-identity{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.footer-identity>a,.footer-identity>h2{grid-column:1/-1}.site-footer .footer-identity>p{display:block;margin:0}.footer-identity>p+p{margin:0}.site-footer .footer-identity>a{margin-bottom:0}.book-pagination{gap:4px}.book-pagination>a{flex:0 0 56px;justify-content:center}.book-pagination #book-caption{font-size:10px}.book-contact{margin-top:8px}.body-copy p:last-child{margin-bottom:0}}

.legacy-route{max-width:600px;margin:48px auto;padding:20px;line-height:1.8}.legacy-route a{display:block;width:fit-content;min-height:44px;text-decoration:underline}.workspace-heading h2{font-size:22px;font-weight:800}@media(max-width:640px){.workspace-heading h2{font-size:20px}}

button,select,input[type=range]{touch-action:manipulation}.range-label input[type=range]{appearance:none;-webkit-appearance:none;background:transparent;cursor:pointer}.range-label input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--muted)}.range-label input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:16px;height:16px;margin-top:-7px;border:1px solid var(--ink);border-radius:50%;background:var(--ink)}.range-label input[type=range]::-moz-range-track{height:2px;background:var(--muted)}.range-label input[type=range]::-moz-range-thumb{width:16px;height:16px;border:1px solid var(--ink);border-radius:50%;background:var(--ink)}.book-context{padding-top:8px}.book-pagination>button:hover:not(:disabled){background:var(--surface)}.account-section input:not([type=checkbox]){border-color:var(--muted)}@media(forced-colors:active){.range-label input[type=range]{appearance:auto}.select-field .select-caret{color:ButtonText}}

#motion-toggle{min-width:72px}

.masthead nav a+a:not(.nav-register)::before{content:"";position:absolute;left:-5px;top:50%;height:16px;width:1px;transform:translateY(-50%);background:var(--line)}
button{font-weight:700}.flow-line,.wordmark-glyph,.story-specimen,.forms-specimen,.glyph-list,.type-canvas textarea{font-weight:400}
.book-edge{position:absolute;z-index:3;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:48px;min-height:48px;padding:12px;border:0;border-radius:50%;background:#f1f1f1;color:#171717}.book-edge-prev{left:16px}.book-edge-next{right:16px}.book-edge .icon{width:24px;height:24px}.book-edge:hover:not(:disabled){background:#ddd}.book-edge:focus-visible{outline-color:#fff}.book-edge:disabled{opacity:.35}.book-pagination{padding-block:4px}.book-pagination>a{flex-direction:row}.book-details>dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.book-details>dl>div{grid-template-columns:1fr;gap:4px;padding:0}
.background-controls{display:flex;align-items:center;gap:4px;white-space:nowrap;font-size:12px}.background-controls>span{margin-right:4px}.background-choice{display:grid;place-items:center;flex:0 0 44px;width:44px;min-height:44px;padding:10px;border:0;border-radius:50%;background:transparent}.background-choice .swatch{display:block;width:24px;height:24px;border:1px solid #999;border-radius:50%}.background-choice[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--ink)}.background-choice:hover{background:var(--surface)}.background-choice[data-background=white] .swatch{background:#fff}.background-choice[data-background=gray] .swatch{background:#e5e5e5}.background-choice[data-background=black] .swatch{background:#171717}.background-choice[data-background=cream] .swatch{background:#f2eadc}.type-canvas[data-background=white]{background:#fff;color:#171717}.type-canvas[data-background=gray]{background:#e5e5e5;color:#171717}.type-canvas[data-background=black]{background:#171717;color:#fff}.type-canvas[data-background=cream]{background:#f2eadc;color:#171717}
@media(max-width:900px){.background-controls{grid-column:1/-1}}@media(max-width:640px){.test-controls>.select-label{grid-column:1/-1}.feature-controls{gap:4px 8px}.stylistic-controls>span{font-size:11px}.book-edge-prev{left:8px}.book-edge-next{right:8px}.book-details>dl{grid-template-columns:1fr 1fr}.section-heading h2{font-size:21px}}

.type-details .section-heading{display:block;text-align:center}.type-details .section-heading>span{display:block;margin-top:4px}.type-details .forms{display:flex;flex-direction:column}.type-details .forms-specimen{flex:1;justify-content:center;gap:clamp(24px,5vw,64px);margin-top:0}.account-layout{width:100%;margin-inline:auto}.account-section>h2,.account-section>.demo-notice,#account-message{text-align:center}#buyer-account{max-width:880px;margin-inline:auto}

.edition{padding-block:12px}.edition>h3{font-size:17px;font-weight:700;margin:0 0 12px}.edition-details dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 24px}.edition-details dl>div{display:block;padding:0}.edition-details dt{margin-bottom:4px}.license{max-height:220px;overflow:auto;overscroll-behavior:contain;padding:16px;border-radius:10px;background:var(--surface)}.account-section .license>h3{font-size:14px;line-height:1.4;margin:0 0 12px}.returning-account{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:24px}.login-fields{grid-column:1/-1}.password-help{margin-top:0}@media(max-width:640px){.edition-details dl{grid-template-columns:1fr 1fr;gap:12px 16px}.returning-account{grid-template-columns:1fr;gap:20px}}

.book-dialog{width:min(1480px,calc(100vw - 24px));height:calc(100vh - 24px);height:calc(100dvh - 24px);max-width:none;max-height:none;margin:auto;padding:16px;border:0;border-radius:16px;background:var(--paper);color:var(--ink);overflow:hidden}
.book-dialog:not([open]){display:none}.book-dialog[open]{display:flex;flex-direction:column;gap:12px}.book-dialog::backdrop{background:rgb(0 0 0 / .65)}
.book-dialog-open{overflow:hidden}.book-dialog-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:0 0 auto}.book-dialog-toolbar h3{font-size:14px;margin-right:auto}.book-dialog-nav,.book-dialog-zoom{display:flex;align-items:center;gap:4px}
.book-dialog-toolbar button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px 12px;border:0;border-radius:999px;background:#eee;color:#171717;font-size:13px}.book-dialog-toolbar button:hover:not(:disabled){background:#ddd}.book-dialog-toolbar button:focus-visible{outline:2px solid #171717;outline-offset:2px}.book-dialog-zoom output{min-width:48px;text-align:center;font-size:12px}.book-dialog-nav .book-edge{position:static;transform:none;width:44px}
.book-dialog-viewport{flex:1 1 0;min-height:0;overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom;background:#111;border-radius:8px}.book-dialog-content{width:calc(var(--book-fit-width,100%) * var(--book-zoom,1));min-width:100%}
.book-dialog #book-reader{width:100%;max-width:none;padding:0;border:0}.book-dialog figure{margin:0}.book-dialog .book-stage{width:100%;margin:0;max-height:none;height:calc(var(--book-fit-height,60vh) * var(--book-zoom,1));min-height:0;aspect-ratio:auto;border:0}.book-dialog #book-original{position:absolute;inset:0}.book-dialog img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain}.book-dialog .book-pagination{color:var(--paper);justify-content:center;min-height:48px;padding:4px 12px}.book-dialog #book-open{display:none}.book-dialog .book-context{padding:8px 12px;color:#ccc}
#book-dialog[data-zoomed="true"] #book-reader,#book-dialog[data-zoomed="true"] .book-stage,#book-dialog[data-zoomed="true"] #book-original,#book-dialog[data-zoomed="true"] img{touch-action:pan-x pan-y pinch-zoom}#book-dialog[data-zoomed="true"] canvas{touch-action:pan-x pan-y pinch-zoom!important}#book-dialog[data-zoomed="true"] .book-dialog-viewport{cursor:grab}.book-dialog-viewport.is-panning{cursor:grabbing!important;user-select:none}
@media(max-width:640px){.book-dialog{width:calc(100vw - 12px);height:calc(100vh - 12px);height:calc(100dvh - 12px);padding:8px;gap:8px;border-radius:12px}.book-dialog-toolbar{gap:4px}.book-dialog-toolbar h3{width:100%;font-size:13px}.book-dialog-nav{margin-right:auto}.book-dialog-toolbar button{padding-inline:8px}.book-dialog-zoom output{min-width:42px}}

.book-dialog-zoom #book-zoom-reset{min-width:48px;padding-inline:0}
.book-details dt,.edition-details dt{font-weight:800;color:var(--ink)}.book-details dd,.edition-details dd{font-weight:700;color:var(--ink)}.footer-identity h2{font-weight:800;color:var(--ink)}
@media(max-width:640px){:root{scroll-padding-top:calc(var(--bar) + 8px)}}

.book-dialog #book-reader:focus-visible,.book-dialog-viewport:focus-visible{outline:2px solid #fff;outline-offset:-3px}

.nav-toggle{display:none;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:8px 16px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-size:12px}.nav-toggle .icon{width:18px;height:18px}.nav-icon-close,.nav-toggle[aria-expanded=true] .nav-icon-menu{display:none}.nav-toggle[aria-expanded=true] .nav-icon-close{display:block}
.hero-ready{--hero-size:48px;--reel-shift:4px}
.hero-ready .flow-field{display:flex;align-items:center;justify-content:center;gap:48px;inset:24px var(--gutter) 64px;margin:0;padding:0;border:0;border-radius:0;background:transparent;color:var(--ink);transform:none;transition:none;pointer-events:auto;touch-action:pan-y;overflow:visible}
.hero-reel{position:relative;display:grid;place-items:center;flex:0 0 100px;width:100px;height:216px;min-height:44px;margin:0;padding:4px;border:0;border-radius:0;overflow:hidden;background:transparent;color:inherit;touch-action:pan-y;transform:translateY(calc(var(--reel-shift)*-1));transition:none}
.hero-reel+.hero-reel{transform:translateY(var(--reel-shift))}.hero-ready.is-moving .hero-reel{transition:transform .36s ease}
[data-alignment=reverse] .hero-reel:first-child{transform:translateY(var(--reel-shift))}[data-alignment=reverse] .hero-reel+.hero-reel{transform:translateY(calc(var(--reel-shift)*-1))}
.hero-reel:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}.hero-reel:hover{background:rgb(0 0 0 / .025)}
.hero-ready .flow-line{display:block;font-size:var(--hero-size);font-weight:400;line-height:1.06;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;animation:none}
.hero-reel-out{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}
.hero-ready.is-moving .hero-reel-in{animation:hero-reel-enter .42s ease both}.hero-ready.is-moving .hero-reel-out{animation:hero-reel-leave .42s ease both}.hero-ready:not(.is-moving) .hero-reel-out{display:none}
@keyframes hero-reel-enter{from{opacity:0;transform:translateY(105%)}to{opacity:1;transform:translateY(0)}}
@keyframes hero-reel-leave{from{opacity:1;transform:translate(-50%,-50%)}to{opacity:0;transform:translate(-50%,-155%)}}
.hero-ready .intro-actions{gap:8px;justify-content:flex-end}.hero-ready .intro-switches{gap:8px}
.account-page main{padding-block:24px 40px}.account-page .account-section{max-width:1040px;margin-inline:auto}.account-page .account-footer{width:100%;max-width:var(--page-max);margin-inline:auto;padding:0 var(--gutter) 24px;font-size:12px}.account-footer a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:3px}.account-page #register-form,.account-page #login-form{scroll-margin-top:calc(var(--bar) + 12px)}
@media(max-width:640px){.hero-ready{--hero-size:36px;--reel-shift:8px}.hero-ready .flow-field{inset:16px var(--gutter) 68px;gap:32px}.hero-reel{flex-basis:76px;width:76px;height:176px}.hero-ready .intro-actions{bottom:12px}.hero-ready .intro-switches{width:auto;flex-wrap:nowrap}.hero-ready .intro-actions button{flex:0 1 auto;font-size:11px}.account-page main{padding-block:16px 24px}}
@media(prefers-reduced-motion:reduce){.hero-ready .hero-reel,.hero-ready .hero-reel-in,.hero-ready .hero-reel-out{animation:none!important;transition:none!important}}
@media(max-width:900px){:root{--bar:calc(64px + env(safe-area-inset-top,0px))}.masthead{gap:12px;flex-wrap:wrap;padding:calc(8px + env(safe-area-inset-top,0px)) 16px 8px}.masthead.menu-ready{flex-wrap:nowrap}.masthead .wordmark{gap:8px;min-height:48px}.masthead .wordmark-glyph{width:24px;height:48px;font-size:24px}.masthead .wordmark-name{font-size:12px}.nav-toggle{display:inline-flex;flex:0 0 auto}.masthead nav{flex-wrap:wrap;gap:8px;font-size:12px}.masthead.menu-ready nav{position:absolute;top:100%;left:16px;right:16px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:10px;gap:8px;background:var(--paper);border-radius:16px;box-shadow:0 8px 20px rgb(0 0 0 / .12)}.masthead nav a{width:auto;min-width:0;min-height:44px;padding:10px 12px;white-space:nowrap}.masthead nav a+a::before{display:none}.masthead.menu-ready nav a{width:100%;border-radius:8px}.masthead.menu-ready nav a:hover,.masthead.menu-ready nav a:focus-visible{background:var(--surface)}.masthead.menu-ready .nav-register{grid-column:1/-1;border-radius:999px;background:var(--ink)}.masthead.menu-ready .nav-register:hover,.masthead.menu-ready .nav-register:focus-visible{background:var(--ink)}.account-page .masthead.menu-ready nav{grid-template-columns:1fr}.masthead .nav-register{margin-left:0}}