:root{--ink:#17211d;--paper:#f9faf7;--muted:#58635d;--line:#dce1db;--green:#0c644a;--mint:#b8e8ce;--dark:#10201a;--serif:Georgia,'Times New Roman',serif;--sans:Inter,Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{margin:0;background:var(--paper);color:var(--ink);font:1.0625rem/1.65 var(--sans)}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px}p{margin:0 0 1.3em}h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.06;margin:0}h1{font-size:clamp(3.1rem,6.8vw,6.4rem);letter-spacing:-.055em}h2{font-size:clamp(2.25rem,4vw,4rem);letter-spacing:-.045em}h3{font-size:1.9rem;letter-spacing:-.025em}.wrap{max-width:1320px;margin:auto;padding:0 5.3%}.skip{position:absolute;top:-100px;left:1rem;background:white;z-index:10;padding:.8rem}.skip:focus{top:1rem}.site-head{border-bottom:1px solid 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h2{font-size:2.25rem;margin:48px 0 22px;line-height:1.18}.essay-body h2:first-child{margin-top:0}.essay-body blockquote{font:2.4rem/1.2 var(--serif);letter-spacing:-.025em;border-left:3px solid var(--green);padding-left:25px;margin:35px 0}.essay-body .source-note{font-size:.875rem;color:var(--muted);border-top:1px solid var(--line);padding-top:24px;margin-top:45px}.empty-future{padding-top:35px;color:var(--muted);max-width:720px}.divider{border:0;border-top:1px solid var(--line);margin:0}@media(min-width:1600px){.art-strip{height:470px}}@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:28px}.hero-aside{padding-top:0}.hero-aside p{max-width:650px}.hero{padding-top:55px}.hero-foot{margin-top:35px}.principle{grid-template-columns:50px 1fr;gap:15px}.principle p{grid-column:2}.section-head,.article-teaser,.contact-block{grid-template-columns:1fr;gap:28px}.section-head{margin-bottom:32px}.section-head .eyebrow{margin-bottom:0}.feature{gap:6%}.feature-quote{font-size:2.15rem}.essay-layout{grid-template-columns:1fr;gap:20px}.essay-side{border-bottom:1px solid var(--line);padding-bottom:12px}.essay-side a{display:inline-block;margin-right:22px}.about-grid{grid-template-columns:1fr;gap:25px}.section{padding:65px 0}.art-strip{height:340px}nav{gap:1.2rem}.nav-contact{margin-left:0}}@media(max-width:620px){.wrap{padding-left:6%;padding-right:6%}.head-row{min-height:85px}.desktop-nav{display:none}.mobile-menu{display:block;position:relative;font-size:.9375rem}.mobile-menu summary{cursor:pointer;list-style:none;border-bottom:1px solid var(--ink);padding:6px 0}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:45px;z-index:5;background:var(--paper);padding:20px;min-width:180px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:start;gap:10px;box-shadow:0 12px 25px #17211d12}.brand 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.letter-section{padding:72px 0 80px}.letter-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:8%;align-items:start}.letter-intro h1{font-size:clamp(3.2rem,5.7vw,5.6rem)}.letter-intro h1 em{color:var(--green)}.letter-intro p{max-width:560px;color:var(--muted)}.letter-intro .letter-direction{font-size:1.375rem;color:var(--ink);line-height:1.45;margin-top:30px}.letter-author{font-size:.9375rem}.letter-panel{background:#fff;border:1px solid var(--line);padding:26px;min-width:0}.letter-panel .ml-embedded{min-height:220px}.letter-panel .letter-help{font-size:.875rem;line-height:1.6;color:var(--muted);margin:18px 0 0;overflow-wrap:anywhere}.letter-help a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.letter-reading{padding:55px 0 65px;border-top:1px solid var(--line)}.letter-reading-inner{max-width:780px}.letter-reading h2{margin-bottom:24px}.letter-reading p{color:var(--muted);max-width:660px}@media(max-width:900px){.letter-grid{grid-template-columns:1fr;gap:32px}.letter-intro p{max-width:730px}.letter-section{padding:52px 0}.letter-panel{max-width:730px}}@media(max-width:620px){.letter-section{padding-top:40px}.letter-intro h1{font-size:3.3rem}.letter-panel{padding:16px}.letter-intro .letter-direction{font-size:1.2rem}.letter-reading{padding:45px 0}}

.newsletter-invite{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.newsletter-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:8%;align-items:center}.newsletter-grid h2{font-size:clamp(2.2rem,3.5vw,3.4rem)}.newsletter-grid p{color:var(--muted);max-width:580px}.essay-letter{margin-top:38px;border-top:1px solid var(--line);padding-top:32px}.essay-letter .eyebrow{margin-bottom:16px}.essay-letter h2{margin:0 0 18px;font-size:2rem}.essay-letter p{font-size:1.0625rem;color:var(--muted)}@media(max-width:900px){.newsletter-grid{grid-template-columns:1fr;gap:25px}.desktop-nav{display:none}.mobile-menu{display:block;position:relative;font-size:.9375rem}.mobile-menu summary{cursor:pointer;list-style:none;border-bottom:1px solid var(--ink);padding:6px 0}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:45px;z-index:5;background:var(--paper);padding:20px;min-width:180px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:start;gap:10px;box-shadow:0 12px 25px #17211d12}}

/* Playbook 2.0 editorial structure */
.hero-links{display:flex;flex-wrap:wrap;gap:16px 26px}.pillar-grid,.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}.pillar,.project-card{border-top:1px solid var(--line);padding:30px 0}.pillar .num{display:block;margin-bottom:18px}.pillar h3,.project-card h3{line-height:1.2;margin-bottom:18px}.pillar p,.project-card p{color:var(--muted);max-width:540px}.project-card .body-label{font-size:.875rem;color:var(--green);line-height:1.5}.speaking-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.speaking-section .feature p{color:var(--muted)}.speaking-section .speaking-audience{font-size:1rem;margin-top:24px}.speaking-section .speaking-format{font-size:1rem}.letter-themes{margin:28px 0;padding-top:24px;border-top:1px solid var(--line)}.letter-themes strong{color:var(--ink)}.work-item h3:not(:first-of-type){margin-top:28px}.brand small{font-size:.875rem;letter-spacing:0}.hero h1{overflow-wrap:normal}.desktop-nav{gap:1.3rem}.nav-contact{margin-left:0}
@media(max-width:1100px){.desktop-nav{display:none}.mobile-menu{display:block;position:relative;font-size:.9375rem}.mobile-menu summary{cursor:pointer;list-style:none;border-bottom:1px solid var(--ink);padding:6px 0}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:45px;z-index:5;background:var(--paper);padding:20px;min-width:180px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:start;gap:10px;box-shadow:0 12px 25px #17211d12}}
@media(max-width:620px){.pillar-grid,.project-grid{grid-template-columns:1fr;gap:0}.pillar,.project-card{padding:26px 0}.head-row{gap:14px}.brand{font-size:1rem;min-width:0;max-width:calc(100% - 70px)}.mobile-menu{flex-shrink:0}.brand small{max-width:235px;font-size:.875rem;line-height:1.4}.hero h1{font-size:clamp(2.65rem,10.9vw,3.35rem)}.art-label{max-width:88%;line-height:1.5}.hero-foot{font-size:.875rem}.eyebrow{font-size:.875rem;letter-spacing:.1em}}

/* The Augmented Organization: research-led book presentation */
.book-hero{padding:68px 0 54px}.book-hero-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:7%;align-items:start}.book-hero h1{font-size:clamp(3rem,6.1vw,5.7rem);line-height:1.06;letter-spacing:-.045em}.book-hero h1 em{color:var(--green)}.book-question{font:1.75rem/1.3 var(--serif);max-width:700px;margin:30px 0 20px}.book-lead{max-width:640px;color:var(--muted);font-size:1.125rem}.book-status{border-top:3px solid var(--green);padding:26px 0 0}.book-status .body-label{display:block;font-size:.875rem}.book-status h2{font-size:2.45rem;line-height:1.15;margin-bottom:25px}.book-status p{font-size:1rem;color:var(--muted)}.book-inquiries{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}.book-inquiries article{border-top:1px solid var(--line);padding:30px 0}.book-inquiries .num{display:block;margin-bottom:20px}.book-inquiries h3{font-size:1.8rem;line-height:1.2;margin-bottom:16px}.book-inquiries p{color:var(--muted);max-width:550px}.book-contribute{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#eef3ed}.book-contribute .feature p{color:var(--muted)}.book-contribute .book-audience{margin-top:25px;font-size:1rem}.book-note{font-size:.875rem!important;line-height:1.6;margin-top:22px;color:var(--muted)}.book-author{padding:0;border:0}.book-author .eyebrow{margin-bottom:25px}.book-author h2{font-size:3rem}.book-author p{font-size:1.125rem}.book-hero .hero-links{gap:14px 25px}.book-hero .eyebrow{font-size:.875rem}
@media(max-width:900px){.book-hero-grid{grid-template-columns:1fr;gap:40px}.book-status{max-width:700px}.book-status h2{font-size:2.3rem}.book-status p{max-width:650px}.book-question{font-size:1.6rem}.book-contribute .feature{grid-template-columns:1fr;gap:30px}}
@media(max-width:620px){.book-hero{padding:40px 0}.book-hero h1{font-size:clamp(2.5rem,10vw,3.6rem)}.book-question{font-size:1.5rem}.book-inquiries{grid-template-columns:1fr;gap:0}.book-inquiries article{padding:26px 0}.book-inquiries h3{font-size:1.75rem}.book-hero .hero-foot{font-size:.875rem}.book-status h2{font-size:2.2rem}}

/* Books index and The Augmented Leader — scoped additions */
.books-index .page-top h1 em{color:var(--green)}.books-index .book-entry{border-top:1px solid var(--line)}.books-index .book-entry-grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.65fr);gap:8%}.books-index .book-entry-label .num{display:block;margin-bottom:24px}.books-index .book-entry-label .body-label{font-size:.875rem;line-height:1.5}.books-index .book-entry-status{font-size:1rem;color:var(--muted);max-width:280px}.books-index .book-entry h2{font-size:clamp(2.5rem,4.3vw,4.2rem);line-height:1.12;margin-bottom:28px;overflow-wrap:break-word}.books-index .book-entry p{max-width:680px;color:var(--muted)}.books-index .book-entry .book-entry-question{font:1.65rem/1.4 var(--serif);color:var(--ink);margin-bottom:24px}.books-index .dark .num,.books-index .dark .body-label{color:var(--mint)}.books-index .dark p{color:#ccd9d0}.books-index .dark .book-entry-question{color:var(--paper)}.leader-page .leader-related{border-block:1px solid var(--line)}.leader-page .leader-related .feature p{color:var(--muted)}
@media(max-width:900px){.books-index .book-entry-grid{grid-template-columns:1fr;gap:20px}.books-index .book-entry-label .num{margin-bottom:16px}.books-index .book-entry-label .body-label{margin-bottom:12px}.books-index .book-entry-status{max-width:none}.books-index .book-entry h2{font-size:clamp(2.25rem,6vw,3.4rem)}}
@media(max-width:620px){.books-index .book-entry .book-entry-question{font-size:1.45rem}}

/* Book manuscript v1.6 — scoped reading components */
.leader-page .book-reading{max-width:850px}.leader-page .book-reading p{color:var(--muted)}.leader-page .book-excerpt{font:clamp(2rem,4vw,3rem)/1.2 var(--serif);margin:0 0 1.5rem;letter-spacing:-.025em}.leader-page .diagnostic-questions{padding-left:1.5rem;margin:2rem 0}.leader-page .diagnostic-questions li{font:1.4rem/1.45 var(--serif);padding:.7rem 0 .7rem .5rem}.leader-page .chapter-list{padding-left:1.6rem;columns:2;column-gap:3rem}.leader-page .chapter-list li{padding:.5rem .5rem;break-inside:avoid}.leader-page details{border-top:1px solid var(--line);padding:1.2rem 0}.leader-page summary{cursor:pointer;font-weight:600;font-size:1.1rem}.leader-page details p{max-width:760px;margin:1rem 0 0}@media(max-width:620px){.leader-page .chapter-list{columns:1}.leader-page .diagnostic-questions li{font-size:1.2rem}}