@font-face{font-family:Source Serif;src:url('../fonts/serif-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Source Serif;src:url('../fonts/serif-italic-400.ttf') format('truetype');font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:Source Sans;src:url('../fonts/sans-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Source Sans;src:url('../fonts/sans-600.ttf') format('truetype');font-weight:600 800;font-display:swap}
:root{--paper:#f5f2ea;--ink:#14232d;--teal:#246a70;--copper:#a34f32;--muted:#596365;--line:#d7d7cd;--white:#fffdf8;--serif:'Source Serif',Georgia,serif;--sans:'Source Sans',Arial,sans-serif;--space:clamp(24px,5vw,84px)}
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@media(max-width:1100px){.nav{gap:16px}.nav a{font-size:13px}.hero-grid{gap:15px}.hero-copy .intro{font-size:18px}.hero-signature{margin-top:28px}.book-grid{gap:20px}.book-art{padding:20px 15px}.book-art .book-title{font-size:27px}.book-card h3{font-size:22px}.lens-layout,.split,.detail-layout,.book-detail,.about-grid,.contact-layout{gap:50px}.engagement-grid{gap:28px}.footer-links{gap:20px}}
@media(max-width:850px){.header-inner{min-height:78px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:78px;background:var(--paper);padding:25px var(--space) 30px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;box-shadow:0 10px 16px #14232d08}.nav.is-open{display:flex}.nav a{padding:12px 0;font-size:17px}.nav a:not(.nav-contact):after{display:none}.nav .nav-contact{margin-top:15px;text-align:center}.hero-grid{grid-template-columns:1.1fr 1fr;gap:5px}.home-hero h1{font-size:clamp(60px,8.4vw,80px)}.hero-topline{padding-bottom:35px}.hero-copy .intro{font-size:17px}.hero-copy .actions{gap:18px}.hero-copy .button{padding:13px 17px}.hero-copy .text-link{font-size:14px;gap:12px}.system-figure figcaption{font-size:9px;padding:0}.section{padding-block:75px}.section-heading{gap:30px}.section-heading>p{font-size:17px}.thesis-inner{grid-template-columns:1fr;gap:25px}.lens-layout{gap:35px}.lens-panel h3{font-size:32px}.lens-button .label{font-size:21px}.book-grid{grid-template-columns:repeat(2,1fr);gap:40px}.book-art{padding:30px;max-width:320px}.book-art .book-title{font-size:35px}.book-card h3{max-width:320px}.engagement-grid{grid-template-columns:1fr;gap:40px}.engagement{display:grid;grid-template-columns:1fr 1.3fr;gap:0 35px}.engagement .eyebrow{grid-column:1;margin-bottom:15px}.engagement h3{grid-column:1;grid-row:2}.engagement p{grid-column:2;grid-row:1/3;margin-top:0}.engagement .text-link{grid-column:2}.human-band{gap:45px}.closing-inner{align-items:start;flex-direction:column;gap:25px}.split{grid-template-columns:1fr;gap:25px}.detail-layout{grid-template-columns:1fr 250px;gap:35px}.book-detail{grid-template-columns:240px 1fr;gap:40px}.book-detail .book-title{font-size:30px}.contact-layout{grid-template-columns:1fr;gap:50px}.contact-details{max-width:620px}.contact-details .eyebrow{margin-top:25px}.formats{grid-template-columns:1fr 1fr;gap:40px}.about-grid{grid-template-columns:.7fr 1fr;gap:40px}.author-mark{padding:25px}.timeline div{grid-template-columns:1fr;gap:8px}}
@media(max-width:600px){:root{--space:24px}body{font-size:17px}.brand{font-size:26px}.home-hero{padding-top:26px;padding-bottom:30px}.hero-topline{padding-bottom:35px}.hero-topline .eyebrow{font-size:10px}.location{font-size:10px}.hero-grid{grid-template-columns:1fr}.home-hero h1{font-size:clamp(60px,14.5vw,84px)}.hero-copy .intro{font-size:19px;max-width:440px;margin-top:25px}.hero-copy .actions{margin-top:25px}.hero-signature{margin-top:28px}.system-figure{margin-top:20px;max-width:400px;width:100%;margin-inline:auto}.system-drawing{max-height:340px}.system-figure figcaption{font-size:10px;padding-inline:10px}.hero-bottom{font-size:10px;margin-top:32px;align-items:flex-start}.hero-bottom>span{max-width:160px}.section{padding-block:60px}.section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:35px}.section-heading>p,.section-heading .text-link{justify-self:start}.section-heading .eyebrow{margin-bottom:15px}.thesis p{font-size:18px}.lens-layout{grid-template-columns:1fr;gap:20px}.lens-panel{padding:15px 0 0}.small-system{display:none}.lens-panel h3{font-size:34px}.lens-button{padding:16px 6px}.lens-button .label{font-size:23px}.book-grid{gap:30px 20px}.book-art{padding:19px 13px;border-left-width:3px}.book-art .book-title{font-size:clamp(21px,5vw,29px)}.book-art .book-series{font-size:8px}.book-art .book-author{font-size:8px;letter-spacing:.16em}.book-card .category{font-size:9px;margin-top:20px}.book-card h3{font-size:21px}.book-card .book-note{font-size:12px}.engagement{display:block}.engagement .eyebrow{margin-bottom:20px}.engagement h3{font-size:33px}.engagement p{margin-top:20px}.engagement .text-link{margin-top:20px}.insight-row{grid-template-columns:1fr 20px;gap:13px;padding-block:25px}.insight-row .eyebrow{grid-column:1/-1;padding:0}.insight-row>div{grid-column:1}.insight-row h3{font-size:28px}.insight-row p{font-size:15px}.human-band{grid-template-columns:1fr;gap:40px}.human-band .book-image{max-width:200px}.human-band h2{font-size:38px}.footer-top{flex-direction:column;padding-bottom:32px}.footer-links{flex-wrap:wrap;gap:18px 28px}.footer-bottom{flex-direction:column;gap:15px}.page-hero{padding-block:35px 45px}.breadcrumb{margin-bottom:28px}.page-hero h1{font-size:clamp(43px,10vw,64px)}.page-hero .deck{font-size:20px;margin-top:24px}.page-hero .eyebrow{margin-bottom:18px}.prose p{font-size:19px}.prose h2{font-size:35px}.large-quote{margin-block:30px;padding-block:35px}.framework-grid{grid-template-columns:1fr;gap:0}.framework-card h2{font-size:32px}.detail-layout{grid-template-columns:1fr;gap:40px}.detail-aside{max-width:500px}.book-detail{grid-template-columns:1fr;gap:45px}.book-detail>.book-art{max-width:260px;justify-self:center;padding:28px}.book-detail .book-title{font-size:33px}.book-detail .book-art.paper{padding:0}.talk-grid{grid-template-columns:1fr}.talk h2{font-size:31px}.formats{gap:30px 20px}.formats h3{font-size:23px}.about-grid{grid-template-columns:1fr}.author-mark{max-width:360px;width:100%;aspect-ratio:5/4}.author-mark .initials{font-size:115px}.form-row{grid-template-columns:1fr;gap:0}.contact-layout{gap:40px}.question-list li{font-size:24px}.article-body p{font-size:20px}.article-body p:first-child{font-size:23px}.download-panel{padding:22px}.filter-row{gap:8px}.filter{padding:8px 13px;font-size:13px}.closing{padding-block:55px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.header-inner{gap:20px}.brand{order:1}.nav{order:2;margin-left:auto}.menu-toggle{order:4}.language-switch{order:3;display:flex;gap:2px;align-items:center;flex-shrink:0;border-left:1px solid var(--line);padding-left:12px}.language-switch a{font:600 11px var(--sans);padding:8px 5px;text-decoration:none;color:var(--muted);border-bottom:1px solid transparent}.language-switch a[aria-current=page]{color:var(--teal);border-color:var(--teal)}.language-switch a:hover{color:var(--copper)}.book-art.paper img{object-fit:contain;background:#e2e5de}.edition-panel{margin-top:38px;border-top:1px solid var(--line);padding-top:25px}.edition-panel .eyebrow{color:var(--copper);margin-bottom:20px}.edition-layout{display:grid;grid-template-columns:110px 1fr;gap:25px;align-items:start}.edition-layout img{width:110px;height:auto;box-shadow:3px 6px 12px #14232d15}.edition-layout h2{font-size:27px;line-height:1.2}.edition-layout .text-link{margin-top:15px;font-size:15px}.book-detail .book-art.paper{padding:0}
@media(min-width:1201px){.nav{gap:20px}.nav a{font-size:13px}.nav .nav-contact{padding:10px 13px}}
@media(min-width:851px) and (max-width:1200px){.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:94px;background:var(--paper);padding:25px var(--space) 30px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;margin:0}.nav.is-open{display:flex}.nav a{font-size:17px;padding:12px 0}.nav .nav-contact{margin-top:15px;text-align:center}.nav a:not(.nav-contact):after{display:none}}
@media(max-width:1200px){.language-switch{margin-left:auto}.header-inner{gap:14px}}
@media(max-width:600px){.header-inner{gap:7px}.brand{font-size:24px}.language-switch{padding-left:8px}.language-switch a{font-size:11px;padding:8px 5px}.menu-toggle{font-size:13px;padding:8px 0 8px 8px}.edition-layout{grid-template-columns:80px 1fr;gap:18px}.edition-layout img{width:80px}.edition-layout h2{font-size:23px}.edition-layout .text-link{font-size:14px;gap:10px}}
@media(max-width:350px){:root{--space:18px}.brand{font-size:22px}.language-switch{padding-left:5px}.language-switch a{padding:8px 4px}.menu-toggle{font-size:12px;padding-left:4px}.page-hero h1{overflow-wrap:anywhere}.home-hero h1{font-size:56px}}