/* Four separate directions. The original page and its assets are preserved. */
.design-rail{background:#26322d;color:#fff;font-size:12px;line-height:1.5;padding:10px 24px}.design-rail>div{max-width:1190px;margin:auto;display:flex;gap:22px;align-items:center}.design-rail b{margin-right:9px}.design-rail a{text-decoration:underline;text-underline-offset:4px}.design-rail a:nth-child(2){margin-left:auto}.design-rail a:focus-visible{outline-color:#ffed32}.hero-visual:before{z-index:0}.book-object,.visual-caption,.visual-label,.hero-index{z-index:1}.hero h1 strong:before{inset:88% 5px 0;transform:none}.hero-lead{font-size:16px}.credits{font-size:12px}.spec-strip{background:#fff;border-color:var(--line)}.spec-strip p:last-child{border-color:var(--line)}.purchase-section{background:var(--tint)}.book-spec dt{color:var(--muted)}.book-spec{font-size:13px}.purchase-note,.small-note{font-size:12px}.intro-right>p:not(.section-lead):not(.small-note){font-size:16px}.perspective-list p,.section-heading>p,.contents-heading>p:not(.eyebrow),.team-grid>div>p:not(.eyebrow),.use-list p,.publisher-body>p:nth-child(2),.faq-list details>p{font-size:15px}.chapter-list p,.topic{font-size:12px}.sample-caption,.inside .small-note{font-size:12px}.button,.sample-tab{min-height:48px}.nav-buy{min-height:44px;display:inline-flex;align-items:center}.header nav a:hover,.quiet-link:hover{color:var(--accent)}.mobile-cta{background:#fffffff5}.button.dark{background:var(--accent)}.button.dark:hover{background:var(--ink)}.num{color:var(--accent)}.three-perspectives{background:var(--tint);color:var(--ink)}.three-perspectives .eyebrow,.topic{color:var(--muted)}.perspective-list article,.topic{border-color:var(--line)}.inside,.faq-section{background:var(--subtle)}.team-reading{background:var(--tint)}.use-list li:not(:last-child){border-color:var(--line)}.use-list li:before,.reading-flow b,.chapter-list li>span{color:var(--accent)}.footer-bottom{color:#d0d6d1}.hero h1 strong{font-size:1.12em}.purchase-copy h2{font-size:38px}.highlight{background:linear-gradient(transparent 84%,var(--yellow) 84%)}.eyebrow{color:var(--accent)}.purchase-cover{box-shadow:7px 7px 0 #d8d9d1,14px 22px 25px #242d2826}.sample-page>span{opacity:1}.reader-controls button:disabled{opacity:.45}.sample-tab.active{background:var(--accent);border-color:var(--accent)}
/* A. White space, pale sage, and a quiet, generous split composition. */
.variant-a{--paper:#fcfdfa;--ink:#253b32;--muted:#52645a;--accent:#284d40;--green:#284d40;--orange:#284d40;--line:#ccd7ce;--tint:#e8f0e9;--subtle:#f3f6f1}.variant-a .hero-grid{gap:80px;padding-top:75px;padding-bottom:85px}.variant-a .hero-visual{min-height:620px}.variant-a .hero-visual:before{width:100%;height:520px;right:0;top:50px;border-radius:46% 46% 0 0;background:#e5eee7}.variant-a .book-object{width:290px;transform:perspective(1500px) rotateY(-6deg) rotateZ(2deg)}.variant-a .visual-caption{background:#fcfdfa;border:none;border-left:2px solid #284d40;transform:none;right:-10px;top:10px;font-size:13px}.variant-a .visual-label{left:22px}.variant-a .hero-index{left:22px;font-size:24px}.variant-a .purchase-section{background:#e5eee7}.variant-a .three-perspectives h2{font-size:34px}.variant-a .topic{border:none}.variant-a .num{font:30px var(--sans);font-weight:500}.variant-a .inside .spread{max-width:880px}.variant-a .purchase-grid{gap:130px}
/* B. Book-first, navy and cool white. Earlier samples, structured information. */
.variant-b{--paper:#fff;--ink:#20344e;--muted:#53677b;--accent:#243a58;--green:#243a58;--orange:#243a58;--line:#cbd5e0;--tint:#e8eef5;--subtle:#f5f7fb}.variant-b .hero{background:linear-gradient(90deg,#e8eef5 0 46%,#fff 46%)}.variant-b .hero-grid{grid-template-columns:.85fr 1.15fr;gap:105px;padding:68px 0}.variant-b .hero-visual{min-height:620px;padding:60px 10px}.variant-b .hero-visual:before{display:none}.variant-b .book-object{width:300px;transform:perspective(1300px) rotateY(7deg) rotateZ(-3deg)}.variant-b .visual-label{left:0;top:2px}.variant-b .visual-caption{right:-12px;top:auto;bottom:24px;background:#fff;border:1px solid #bac9d8;transform:none;font-size:12px;padding:12px 18px}.variant-b .hero-index{display:none}.variant-b .hero-intro{font-size:17px}.variant-b .hero h1{font-size:clamp(37px,4vw,57px)}.variant-b .hero h1 strong{color:#243a58}.variant-b .hero h1 strong:before{background:#d6e1ef}.variant-b .hero-lead{font-size:15px}.variant-b .spec-strip{background:#243a58;color:#fff;border:none}.variant-b .section-heading{align-items:center}.variant-b .contents{display:block}.variant-b .contents-heading{position:static;display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.variant-b .contents-heading .eyebrow{grid-column:1/-1}.variant-b .contents-total{justify-self:start;align-self:end;grid-column:2;grid-row:2;margin-top:0}.variant-b .contents-heading>p:not(.eyebrow){grid-column:1/-1;margin-top:16px}.variant-b .chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:0 42px;margin-top:40px}.variant-b .chapter-list li:first-child{padding-top:20px}.variant-b .perspective-list article{background:#fff;border:none;padding:28px}.variant-b .perspective-list{gap:20px}.variant-b .three-perspectives{background:#e8eef5}.variant-b .team-reading{background:#f5f7fb}.variant-b .purchase-section{background:#e8eef5}.variant-b .nav-buy{background:#243a58;color:#fff}.variant-b .nav-buy:hover{color:#fff;background:#304d72}
/* C. An editorial title page, muted ivory, serif typography, and a reading pace. */
.variant-c{--paper:#faf7f0;--ink:#34352f;--muted:#67665c;--accent:#5b5845;--green:#5b5845;--orange:#5b5845;--line:#d4cebf;--tint:#ece8de;--subtle:#f4f0e7}.variant-c .header{border-color:#d4cebf}.variant-c .hero-grid{display:block;padding:60px 0 85px;max-width:1000px}.variant-c .hero-copy{text-align:center}.variant-c .hero .eyebrow{justify-content:center}.variant-c .hero-intro{font:18px/1.8 var(--serif);letter-spacing:.1em;margin-bottom:22px}.variant-c .hero-intro br{display:none}.variant-c .hero h1{font-family:var(--serif);font-weight:700;line-height:1.55;font-size:52px;letter-spacing:.06em}.variant-c .hero h1 span:first-child{display:inline}.variant-c .hero h1 strong{font-size:1em}.variant-c .hero h1 strong:before{display:none}.variant-c .subtitle{font-size:15px;font-weight:400;letter-spacing:.06em;margin-top:18px}.variant-c .editorial-lower{display:grid;grid-template-columns:320px 1fr;gap:110px;align-items:center;max-width:850px;margin:55px auto 0}.variant-c .hero-visual{min-height:0;padding:0;margin:0}.variant-c .hero-visual:before{display:none}.variant-c .book-object{width:250px;transform:none;box-shadow:7px 8px 0 #ded9cc,18px 19px 30px #3e37291a}.variant-c .hero-lead{margin-top:0;font:16px/2.3 var(--serif)}.variant-c .hero-buttons{flex-wrap:wrap;gap:20px}.variant-c h2{font-family:var(--serif);font-weight:700}.variant-c .spec-strip{background:#ece8de;border-color:#d4cebf}.variant-c .spec-strip b{font:25px Georgia,serif}.variant-c .introduction{max-width:950px;gap:90px}.variant-c .three-perspectives{background:#faf7f0;border-top:1px solid #d4cebf;border-bottom:1px solid #d4cebf}.variant-c .three-perspectives .wrap{max-width:950px}.variant-c .three-perspectives h2{font-size:33px}.variant-c .perspective-list{display:block;max-width:800px;margin-left:auto}.variant-c .perspective-list article{display:grid;grid-template-columns:70px 1fr;margin-top:30px;padding-top:28px;gap:18px}.variant-c .perspective-list h3{font-family:var(--serif)}.variant-c .num{font-size:33px;margin-top:7px}.variant-c .topic{margin-top:15px}.variant-c .section-heading h2{font-size:32px}.variant-c .purchase-title{font-family:var(--serif)}.variant-c .purchase-section{background:#ece8de}.variant-c .purchase-cover{transform:rotate(-1deg)}.variant-c .purchase-copy h2{font-size:35px}.variant-c .button{letter-spacing:.02em}.variant-c .contents .highlight{background:none;border-bottom:3px solid #d1ba53}
/* D. White, vermilion, and charcoal. Typography leads, then samples and contents. */
.variant-d{--paper:#fff;--ink:#2b2d2c;--muted:#625d59;--accent:#a8362b;--green:#a8362b;--orange:#a8362b;--line:#ded4cf;--tint:#f4ece8;--subtle:#faf8f6}.variant-d .hero-grid{grid-template-columns:1.4fr .8fr;gap:75px;padding-top:70px;padding-bottom:70px}.variant-d .hero h1{font-size:clamp(46px,5.3vw,72px);line-height:1.25;letter-spacing:-.02em}.variant-d .hero h1 strong{font-size:1.05em;color:#a8362b}.variant-d .hero h1 strong:before{display:none}.variant-d .hero-intro{font-size:18px;line-height:1.7;font-weight:500}.variant-d .hero-intro br{display:none}.variant-d .hero .eyebrow{font-size:11px}.variant-d .hero-visual{min-height:500px;padding:50px 24px 30px;border-left:3px solid #a8362b}.variant-d .hero-visual:before{display:none}.variant-d .book-object{width:265px;transform:perspective(1200px) rotateY(-7deg) rotateZ(3deg)}.variant-d .visual-label{left:24px;top:0;color:#a8362b}.variant-d .hero-lead{font-size:15px}.variant-d .hero-buttons{margin-top:28px}.variant-d .subtitle{font-size:17px}.variant-d .spec-strip{background:#fff;border-top:1px solid #2b2d2c;border-bottom:1px solid #2b2d2c}.variant-d .spec-strip b{color:#a8362b}.variant-d .three-perspectives{background:#fff;border-top:1px solid #ded4cf}.variant-d .three-perspectives h2{font-size:34px}.variant-d .perspective-list article{border-top:3px solid #a8362b}.variant-d .num{font-family:var(--sans);font-size:28px;font-weight:700}.variant-d .inside{background:#faf8f6}.variant-d .section{padding-top:85px;padding-bottom:85px}.variant-d .contents{grid-template-columns:.75fr 1.25fr}.variant-d .purchase-section{background:#f4ece8;border-top:5px solid #a8362b}.variant-d .purchase-cover{transform:rotate(3deg)}.variant-d .faq-section{background:#fff}.variant-d .team-reading{background:#f4ece8}.variant-d .nav-buy{border-color:#a8362b;color:#a8362b}
@media(max-width:1100px) and (min-width:761px){.variant-b .hero-grid{gap:55px}.variant-b .book-object{width:240px}.variant-b .hero h1{font-size:43px}.variant-a .hero-grid{gap:45px}.variant-a .book-object{width:250px}.variant-a .visual-caption{right:-8px;font-size:11px}.variant-c .editorial-lower{gap:50px;grid-template-columns:280px 1fr}.variant-d .hero-grid{gap:40px}.variant-d .hero h1{font-size:51px}.variant-d .hero-visual{padding-left:20px}.variant-d .book-object{width:220px}.variant-b .perspective-list{gap:14px}.variant-b .perspective-list article{padding:20px}.variant-b .perspective-list h3{font-size:18px}}
@media(max-width:760px){.design-rail{padding:9px 16px;font-size:10px}.design-rail>div{gap:14px;flex-wrap:wrap}.design-rail>div>span{flex-basis:100%}.design-rail a:nth-child(2){margin-left:0}.hero .eyebrow{font-size:10px;line-height:1.7}.hero-lead{font-size:15px}.hero-buttons{gap:20px;flex-wrap:wrap}.hero-buttons .button{font-size:13px;padding:16px 18px}.hero-buttons .quiet-link{font-size:12px}.credits{font-size:11px}.subtitle{font-size:15px}.section{padding:64px 0}.section h2,.three-perspectives h2{font-size:28px!important}.intro-right>p:not(.section-lead):not(.small-note),.perspective-list p,.section-heading>p,.contents-heading>p:not(.eyebrow),.team-grid>div>p:not(.eyebrow),.use-list p,.publisher-body>p:nth-child(2),.faq-list details>p{font-size:15px}.small-note,.team-grid>div>.small-note,.inside .small-note,.sample-caption{font-size:12px}.chapter-list h3{font-size:16px}.chapter-list p{font-size:12px;line-height:1.8}.faq-list summary{font-size:15px}.sample-tab{font-size:13px}.sample-tab span{font-size:11px}.sample-page>span{font-size:9px}.topic{font-size:12px}.book-spec{font-size:13px}.purchase-note{font-size:12px}.purchase-title+p{font-size:13px}.purchase-button{font-size:14px}.footer-main>div{font-size:12px;gap:16px 22px}.footer-bottom{font-size:11px}.supervisor p,.supervisor small,.supervisor a,.publisher-name small{font-size:12px}.publisher-signature span{font-size:12px}.reading-flow{font-size:14px}.hero-index{font-size:24px}.hero-index span{font-size:10px}.variant-a .hero-grid{padding:35px 0 55px;gap:0}.variant-a .hero-visual{min-height:355px;padding:32px 0 33px;margin-top:32px;margin-bottom:20px}.variant-a .hero-visual:before{width:85%;height:345px;top:0;right:7.5%;border-radius:47% 47% 0 0}.variant-a .book-object{width:190px}.variant-a .visual-caption{font-size:10px;padding:8px 10px;right:0;top:5px}.variant-a .visual-label{display:none}.variant-a .hero-index{left:0;bottom:-9px;font-size:20px}.variant-a .hero-index span{font-size:9px}.variant-a .purchase-grid{gap:40px}.variant-b .hero{background:#fff}.variant-b .hero-grid{display:flex;padding:35px 0 50px;gap:0}.variant-b .hero-copy{display:contents}.variant-b .hero-visual{order:5;min-height:380px;background:#e8eef5;margin:30px -20px 20px;padding:35px 20px}.variant-b .book-object{width:205px}.variant-b .visual-label{left:20px;top:16px}.variant-b .visual-caption{right:14px;bottom:15px;font-size:10px;padding:8px 11px}.variant-b .hero h1{font-size:42px}.variant-b .hero-intro{font-size:17px}.variant-b .spec-strip p:last-child{border-color:#71829a}.variant-b .contents-heading{display:block}.variant-b .contents-total{margin-top:20px}.variant-b .chapter-list{grid-template-columns:1fr;gap:0}.variant-b .perspective-list{display:block}.variant-b .perspective-list article{padding:24px 18px;gap:18px}.variant-b .perspective-list h3{font-size:18px}.variant-c .hero-grid{display:block;padding:38px 0 60px}.variant-c .hero-copy{display:block}.variant-c .hero .eyebrow{font-size:9px;justify-content:center;margin-bottom:25px}.variant-c .hero-intro{font-size:14px;line-height:1.8;letter-spacing:.01em}.variant-c .hero-intro br{display:block}.variant-c .hero h1{font-size:35px;line-height:1.65;letter-spacing:.01em}.variant-c .hero h1 span:first-child{display:inline}.variant-c .hero h1 strong{font-size:1em;line-height:1.65}.variant-c .subtitle{font-size:13px;line-height:1.9;margin-top:15px}.variant-c .editorial-lower{display:flex;flex-direction:column;gap:35px;margin:35px auto 0}.variant-c .hero-visual{margin:0;padding:0;min-height:0;order:0}.variant-c .book-object{width:190px;transform:none}.variant-c .editorial-story{width:100%;max-width:360px}.variant-c .hero-lead{font-size:15px;line-height:2.2;margin:0}.variant-c .hero-buttons{margin-top:25px;gap:20px;display:flex;justify-content:flex-start}.variant-c .credits{margin-top:22px}.variant-c .introduction{display:block}.variant-c .perspective-list article{grid-template-columns:38px 1fr;gap:18px}.variant-c .num{font-size:28px}.variant-c .spec-strip b{font-size:20px}.variant-c .purchase-copy h2{font-size:29px}.variant-d .hero-grid{display:flex;gap:0;padding:35px 0 55px}.variant-d .hero h1{font-size:44px;line-height:1.3}.variant-d .hero h1 strong{line-height:1.4}.variant-d .hero-intro{font-size:16px}.variant-d .hero-intro br{display:block}.variant-d .hero .eyebrow{font-size:10px}.variant-d .hero-visual{min-height:330px;margin:30px 0 12px;padding:25px 15px;border-left-width:2px}.variant-d .book-object{width:190px}.variant-d .visual-label{font-size:8px;left:14px;top:0}.variant-d .hero-lead{font-size:15px}.variant-d .subtitle{font-size:15px}.variant-d .section{padding:65px 0}.variant-d .contents{display:block}.variant-d .num{font-size:26px}.purchase-copy h2{font-size:30px}.reader-text{font-size:14px}.reader-controls{font-size:11px}}
@media(max-width:360px){.hero-buttons .button{font-size:12px;padding:15px}.hero-buttons .quiet-link{font-size:12px}.variant-b .hero h1{font-size:37px}.variant-c .hero h1{font-size:30px}.variant-c .hero .eyebrow{font-size:8px}.variant-d .hero h1{font-size:39px}.variant-a .hero h1{font-size:35px}.supervisor h3{font-size:20px}.reader-controls{flex-wrap:wrap}.design-rail>div{gap:10px}.hero .eyebrow{font-size:9px}.variant-d .hero .eyebrow{font-size:9px}}

.keep-phrase{display:inline-block}