@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-sans-1.woff2") format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/ibm-plex-sans-2.woff2") format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/ibm-plex-sans-3.woff2") format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/ibm-plex-sans-4.woff2") format('woff2')}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.masthead,.to-top,.side-nav,.check-actions,.footer,.hero-actions{display:none}body,.hero,.page-hero,.dark-section,.perspective-panel{background:white;color:black}.wrap{width:100%}.hero-deck,.page-hero .deck{color:#333}.reading-layout{display:block}.section{padding:30px 0}.concept,.book,.example-row{break-inside:avoid}.hero h1{font-size:50px}.author-grid{grid-template-columns:1fr 1fr}}
/* Illustrated examples and directly visible films */
.author-portrait{width:100%;height:230px;display:block;object-fit:cover;object-position:center 24%;filter:grayscale(1);mix-blend-mode:multiply}.author-card:nth-child(3) .author-portrait{mix-blend-mode:normal}.portrait-credit{font-size:11px;color:var(--muted);margin:17px 0 4px;max-width:1000px}.chapter-portrait{float:right;width:180px;margin:0 0 25px 28px}.chapter-portrait img{width:100%;height:210px;object-fit:cover;filter:grayscale(1)}.chapter-portrait figcaption{font-size:11px;line-height:1.6}.reading-content section{display:flow-root}.illustrated-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;border:0;align-items:start}.illustrated-example{display:block;padding:0;background:var(--white);border:1px solid var(--line);min-width:0;overflow:hidden}.illustrated-example:hover h3{text-decoration:none}.example-visual{margin:0;border-bottom:1px solid var(--line);position:relative;background:var(--paper)}.example-visual img{width:100%;height:auto;display:block;aspect-ratio:640/300;object-fit:contain}.example-visual figcaption{padding:5px 18px;background:var(--teal);font-size:9px;letter-spacing:.8px;text-transform:uppercase}.example-overview{padding:25px 28px 0}.example-overview .eyebrow{font-size:10px;margin-bottom:12px}.example-overview h3{font-size:32px;margin:0 0 12px;line-height:1.1}.example-overview .kind{display:block;font-size:11px;color:var(--muted)}.illustrated-example .example-overview p{font-size:16px;margin:14px 0 22px;color:var(--ink)}.illustrated-example .quick-check{font-size:13px!important;line-height:1.65;background:var(--paper);border-left:3px solid var(--orange);padding:13px 16px}.quick-check strong{display:block}.example-details summary{display:flex;gap:18px;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;padding:18px 28px;font-size:13px;font-weight:600;background:var(--teal);border-top:1px solid var(--line)}.example-details summary::-webkit-details-marker{display:none}.example-details summary:hover{background:var(--orange)}.expand-icon{font-size:24px;line-height:1}.example-details[open] .expand-icon{transform:rotate(45deg)}.example-details[open] summary{background:var(--orange)}.example-depth{padding:28px}.example-depth h4{font-size:22px;letter-spacing:-.03em;line-height:1.15;margin:28px 0 13px}.example-depth h4:first-child{margin-top:0}.example-depth p{font-size:15px;margin:0 0 20px;color:var(--ink)}.example-depth .source-ref{font-size:11px;line-height:1.65}.context-video{margin-top:27px;padding-top:26px;border-top:1px solid var(--line)}.context-video .eyebrow{font-size:10px}.context-video h4{margin-top:0}.context-video p{font-size:13px}.player{aspect-ratio:16/9;width:100%;background:var(--deep);position:relative}.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-copy h3{font-size:31px;line-height:1.12;margin:0 0 18px}.video-card{overflow:hidden}.video-grid{align-items:start;gap:28px}.media-note{margin-top:24px}.mini-examples{display:grid;grid-template-columns:1fr;gap:25px}.mini-examples .illustrated-example{width:100%}.image-credit{border-top:1px solid var(--line);padding:20px 0}.image-credit h3{margin:0 0 12px}.image-credit p{font-size:15px}.image-credit a{font-size:13px}
@media(max-width:1050px){.author-portrait{height:200px}.author-card{padding:22px}.author-card h3{font-size:29px}.illustrated-example .example-overview h3{font-size:28px}}
@media(max-width:760px){.illustrated-list{grid-template-columns:1fr}.author-portrait{height:260px}.chapter-portrait{width:140px}.chapter-portrait img{height:170px}}
@media(max-width:480px){.author-card{display:flex;padding:24px}.author-portrait{height:260px;object-position:center 20%}.author-card h3{margin-top:22px}.example-overview{padding:24px 22px 0}.example-details summary{padding:17px 22px;font-size:12px}.example-depth{padding:24px 22px}.example-depth h4{font-size:23px}.example-depth p{font-size:15px}.video-copy h3{font-size:28px}.chapter-portrait{float:none;width:100%;max-width:260px;margin:0 0 25px}.chapter-portrait img{height:280px}}
.film-poster{display:grid;grid-template-columns:39% 1fr;gap:25px;align-items:center;aspect-ratio:16/9;background:var(--ink);color:var(--paper);padding:28px;text-decoration:none;overflow:hidden}.film-poster img{width:100%;height:100%;min-height:0;object-fit:cover;filter:grayscale(1)}.film-poster b{display:block;font-size:clamp(27px,2.8vw,43px);line-height:1;letter-spacing:-.05em;color:var(--orange)}.film-poster .eyebrow{font-size:9px;margin-bottom:14px}.poster-play{display:block;font-size:13px;margin:18px 0 8px}.film-poster small{display:block;font-size:9px;color:var(--teal)}.film-poster:hover{background:var(--deep)}
@media(max-width:480px){.film-poster{padding:20px;gap:17px}.film-poster b{font-size:27px}.poster-play{font-size:10px;margin-top:12px}.film-poster .eyebrow{font-size:7px}.film-poster small{font-size:8px}}
/* The storybook: scene first, explanation inside the narrative. */
.scene-art{position:relative;overflow:hidden;aspect-ratio:3/2;background:#d6cab2;isolation:isolate}.scene-art>img{position:absolute;width:200%;height:200%;max-width:none;object-fit:fill;display:block}.story-cover{background:var(--ink);color:var(--paper);padding:25px 0 0}.cover-meta{display:flex;justify-content:space-between;gap:25px;border-bottom:1px solid #a8d7d045;padding:0 0 18px;font-size:10px;letter-spacing:1.3px;text-transform:uppercase;color:var(--teal)}.cover-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:36px;align-items:center;padding:42px 0 38px}.cover-copy .eyebrow{font-size:10px;color:var(--teal);margin-bottom:23px}.cover-copy h1{font-size:clamp(42px,4.45vw,72px);letter-spacing:-.055em;line-height:1.0}.cover-copy h1 em{font-style:normal;color:var(--orange)}.cover-copy>p{font-size:18px;color:#d4e6df;max-width:535px;margin:27px 0 10px;line-height:1.65}.cover-image{box-shadow:13px 13px 0 #ff803e;aspect-ratio:3/2}.cover-foot{font-size:13px;border-top:1px solid #a8d7d045;color:var(--teal);padding:19px 0 23px;margin:0}.story-rail{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 3px 15px #063f4508}.story-rail>.wrap{display:flex;align-items:center;gap:27px;min-height:65px}.rail-name{font-size:10px;letter-spacing:1px;font-weight:700;text-decoration:none}.story-rail [data-story-status]{font-size:12px;margin-right:auto}.rail-end{font-size:11px}.chapter-picker{position:relative}.chapter-picker summary{cursor:pointer;list-style:none;font-size:12px;display:flex;gap:16px;align-items:center}.chapter-picker summary::-webkit-details-marker{display:none}.chapter-picker nav{position:absolute;right:0;top:42px;width:360px;max-height:70vh;overflow:auto;box-shadow:0 12px 35px #063f452a;border:1px solid var(--ink);background:var(--paper);padding:10px}.chapter-picker nav a{display:flex;gap:16px;padding:9px 12px;font-size:12px;text-decoration:none;border-bottom:1px solid var(--line)}.chapter-picker nav a span{color:var(--muted);font-size:10px;padding-top:3px}.chapter-picker nav a:hover,.chapter-picker nav a[aria-current=location]{background:var(--teal)}.reading-line{height:3px;background:#063f4510}.reading-line>span{display:block;height:100%;width:0;background:var(--orange);transition:width .3s}.story-invitation{background:var(--teal);padding:25px 0}.story-invitation .wrap{display:flex;gap:8%;align-items:center}.story-invitation p{font-size:15px;max-width:840px;margin:0}.story-invitation a{font-size:12px;white-space:nowrap}.story-chapter{padding:83px 0 0;scroll-margin-top:68px;border-bottom:1px solid var(--line)}.story-wrap{max-width:1350px}.story-scene{display:grid;grid-template-columns:.85fr 1.15fr;gap:6%;align-items:center}.story-scene h1,.story-scene h2{font-size:clamp(36px,3.5vw,57px);line-height:1.06}.story-opening{font-size:18px;line-height:1.8;margin:25px 0 0;max-width:610px}.story-kicker{font-size:10px;color:var(--muted);max-width:500px}.story-scene .scene-art{box-shadow:9px 9px 0 var(--teal)}.tone-1{background:#ebe6da}.tone-2{background:#f6f2e8}.tone-3{background:#dfe9e1}.tone-1 .scene-copy,.tone-3 .scene-copy{grid-column:2;grid-row:1}.tone-1 .scene-art,.tone-3 .scene-art{grid-column:1;grid-row:1}.story-underneath{display:grid;grid-template-columns:1fr 1fr;gap:7%;padding:48px 0 0;margin-top:35px;border-top:1px solid var(--line)}.story-beat{display:block;font-size:10px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;margin:0 0 17px;color:var(--muted)}.story-underneath h3{font-size:32px;max-width:550px;line-height:1.13;margin-bottom:20px}.story-underneath p{font-size:16px;line-height:1.8;margin-bottom:0;max-width:600px}.story-takeaway{display:flex;align-items:start;gap:25px;border-left:4px solid var(--orange);padding:23px 28px;background:#fffcf688;margin:35px 0}.takeaway-mark{font-size:35px;font-weight:600;color:#ad491c;line-height:1}.story-takeaway p{font-size:15px;margin:0 0 8px;line-height:1.7}.story-takeaway strong{font-size:17px;line-height:1.5;display:block}.story-notes{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 25px}.story-notes summary{cursor:pointer;display:flex;list-style:none;justify-content:space-between;align-items:center;font-size:12px;padding:16px 0;font-weight:500;gap:20px}.story-notes summary::-webkit-details-marker{display:none}.story-notes summary>span{font-size:24px;line-height:1}.story-notes[open] summary>span{transform:rotate(45deg)}.story-notes-inner{padding:22px 0 32px;display:grid;grid-template-columns:1fr 1fr;gap:7%}.story-notes-inner p{font-size:14px}.story-notes-inner .source-ref{font-size:11px}.story-notes-inner h4{font-size:25px;line-height:1.1;margin-bottom:17px}.story-notes-inner .eyebrow{font-size:9px}.story-text-source>a{font-size:12px}.story-next{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:24px 0 31px;text-decoration:none}.story-next>span{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.story-next>strong{font-size:22px;letter-spacing:-.5px}.story-next:hover strong{text-decoration:underline;text-underline-offset:6px}.first-story-recap h2{font-size:clamp(36px,3.4vw,55px);line-height:1.1}.first-story-recap+.story-underneath{margin-top:35px}.time-window{background:var(--orange);padding:65px 0}.time-window>.wrap{display:grid;grid-template-columns:.45fr 1fr;gap:8%;max-width:1200px;align-items:center}.time-portrait{max-width:270px;transform:rotate(-3deg)}.time-portrait img{display:block;width:100%;height:310px;object-fit:cover;filter:grayscale(1);border:10px solid var(--paper);box-shadow:8px 8px 0 #063f4528}.time-portrait>span{display:block;font-size:12px;margin:15px 10px;line-height:1.5}.time-window h2{font-size:clamp(36px,4vw,64px);margin-bottom:25px}.time-window p{font-size:16px;line-height:1.8}.time-window a{font-size:12px}.story-ending{background:var(--ink);color:var(--paper);padding:85px 0;scroll-margin-top:68px}.story-ending h2{font-size:clamp(49px,6vw,91px);line-height:.98}.story-ending h2 em{font-style:normal;color:var(--orange)}.story-ending .eyebrow{color:var(--teal)}.ending-lead{font-size:24px;line-height:1.5;max-width:740px;margin:30px 0 45px;color:var(--teal)}.ending-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4%;border-top:1px solid #a8d7d055;padding-top:35px}.ending-grid article>span{font-size:12px;color:var(--orange)}.ending-grid h3{font-size:32px;line-height:1.1;margin:19px 0}.ending-grid p{font-size:15px;color:#d4e6df;line-height:1.8}.ending-measure{max-width:900px;border-top:1px solid #a8d7d055;margin-top:25px;padding-top:38px}.ending-measure h3{font-size:39px;line-height:1.1;margin-bottom:24px}.ending-measure p{font-size:16px;color:#d4e6df;line-height:1.8}.story-films{background:#e8e4d8}.story-preview{display:grid;grid-template-columns:.8fr 1.2fr;border:1px solid var(--line);text-decoration:none;background:var(--white);min-width:0}.story-preview>.scene-art{align-self:stretch;aspect-ratio:auto;min-height:200px}.story-preview>div:last-child{padding:25px}.story-preview h3{font-size:28px;line-height:1.1}.story-preview p{font-size:13px;margin:15px 0}.preview-link{font-size:12px;text-decoration:underline}.story-preview:hover{background:var(--teal)}.story-preview .eyebrow{font-size:9px;margin-bottom:13px}.story-directory{display:grid;grid-template-columns:1fr 1fr;gap:25px}.story-return{padding:25px 0}.story-return a{font-size:13px}.footer .wrap{flex-wrap:wrap}.footer .asset-footer{font-size:10px;line-height:1.8;flex-basis:100%;max-width:100%;border-top:1px solid #a8d7d040;padding-top:20px;margin:5px 0 0;color:var(--teal)}
@media(min-width:1600px){.cover-image{aspect-ratio:1.5}.cover-copy h1{font-size:76px}}
@media(max-width:1000px){.cover-grid{gap:28px;grid-template-columns:1fr 1fr}.cover-copy h1{font-size:43px}.cover-copy>p{font-size:16px}.story-scene{gap:5%}.story-opening{font-size:17px}.story-underneath h3{font-size:28px}.story-scene h1,.story-scene h2{font-size:38px}.time-window>.wrap{grid-template-columns:.4fr 1fr;gap:6%}.story-directory{grid-template-columns:1fr}.cover-meta>span:last-child{display:none}}
@media(max-width:760px){.cover-grid{grid-template-columns:1fr;padding-top:32px;gap:32px}.cover-copy h1{font-size:clamp(44px,8.5vw,67px)}.cover-copy>p{font-size:18px;max-width:650px}.cover-image{width:100%;margin-bottom:12px;box-shadow:7px 7px 0 var(--orange)}.cover-foot{font-size:12px}.story-rail>.wrap{gap:20px;min-height:61px}.rail-name,.rail-end{display:none}.story-rail [data-story-status]{font-size:11px}.story-invitation .wrap{display:block}.story-invitation p{font-size:14px;margin-bottom:15px}.story-scene{display:flex;flex-direction:column;gap:28px;align-items:stretch}.story-scene h1,.story-scene h2{font-size:clamp(36px,6vw,48px)}.story-opening{max-width:100%;font-size:18px}.story-chapter{padding-top:52px}.story-underneath{grid-template-columns:1fr;gap:32px;margin-top:32px;padding-top:28px}.story-underneath h3{font-size:29px;margin-bottom:15px}.story-underneath p{font-size:16px;max-width:100%}.story-takeaway{padding:21px 20px;gap:14px}.story-takeaway strong{font-size:16px}.takeaway-mark{font-size:27px}.story-notes-inner{grid-template-columns:1fr;gap:27px}.story-next{align-items:flex-start}.story-next>strong{font-size:19px;text-align:right}.story-next>span{font-size:9px;max-width:140px}.time-window{padding:47px 0}.time-window>.wrap{display:block}.time-portrait{float:right;width:115px;max-width:30%;margin:0 0 20px 20px;transform:rotate(3deg)}.time-portrait img{height:160px;border:5px solid var(--paper)}.time-portrait>span{font-size:9px;margin:10px 0}.time-window h2{font-size:40px}.time-window p{font-size:16px}.ending-grid{grid-template-columns:1fr;gap:24px}.ending-grid article{border-bottom:1px solid #a8d7d040;padding-bottom:16px}.ending-grid h3{margin:10px 0 15px}.ending-grid p{margin:0}.ending-lead{font-size:21px}.ending-measure h3{font-size:33px}.story-ending{padding:55px 0}.story-preview{grid-template-columns:.7fr 1.3fr}.story-preview h3{font-size:25px}.story-preview>div:last-child{padding:22px}}
@media(max-width:480px){.cover-copy .eyebrow{font-size:9px;letter-spacing:1px;max-width:300px}.cover-copy h1{font-size:clamp(39px,10.7vw,51px)}.cover-copy>p{font-size:17px}.cover-meta{font-size:8px;letter-spacing:.8px}.cover-grid{padding:28px 0 25px}.cover-foot{font-size:11px}.chapter-picker nav{position:fixed;top:63px;left:18px;right:18px;width:auto;max-height:75vh}.story-scene h1,.story-scene h2{font-size:35px}.story-opening{font-size:17px;line-height:1.8;margin-top:22px}.story-kicker{font-size:9px;letter-spacing:1.2px}.story-underneath h3{font-size:28px}.story-takeaway{margin:27px 0;padding:19px 17px}.story-takeaway p{font-size:14px}.story-notes summary{font-size:11px}.story-next{padding-bottom:27px}.story-next>strong{font-size:18px}.time-window h2{font-size:34px}.time-window .eyebrow{font-size:9px}.time-window p{clear:both}.time-portrait{max-width:32%;width:110px;margin-left:12px}.story-ending h2{font-size:45px}.ending-lead{font-size:20px}.story-preview{display:block}.story-preview>.scene-art{aspect-ratio:3/2;min-height:0}.story-preview h3{font-size:27px}.first-story-recap h2{font-size:35px}.story-return{padding:20px 0}}
@media print{.story-rail,.story-notes,.story-next{display:none}.story-chapter{break-inside:auto;padding-top:30px}.story-scene,.story-underneath{display:block}.scene-art{max-width:500px}.story-cover,.story-ending{color:black;background:white}.cover-copy h1 em,.story-ending h2 em{color:black}.cover-copy>p,.cover-foot,.ending-grid p,.ending-measure p{color:black}}
@media(max-width:760px){.cover-grid{display:flex;flex-direction:column;align-items:stretch;gap:0}.cover-copy{display:contents}.cover-copy>.eyebrow{order:1}.cover-copy>h1{order:2;margin-bottom:28px}.cover-grid>.cover-image{order:3;margin:0 0 27px}.cover-copy>p{order:4;margin:0 0 18px;max-width:100%}.cover-copy>.cta{order:5;align-self:flex-start;margin-top:0}}

/* Corrected standalone scene, independent of the original sprite sheet. */
.scene-art.single-scene>img{width:100%;height:100%;left:0;top:0;object-fit:cover}

/* Extracted individual scenes preserve the supplied sprite crops. */
.scene-art>img{width:100%;height:100%;inset:0;object-fit:cover}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none;animation:none}}