:root{--ink:#173c3b;--cream:#f7f5ee;--accent:#c3633e;--muted:#62716b;--line:#d7ddd5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--cream);color:var(--ink);font-family:Calibri, Candara, "Segoe UI", Arial, sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.wrap,header{max-width:1240px;margin:auto;padding-left:48px;padding-right:48px}header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-size:12px;letter-spacing:1.8px;font-weight:700;line-height:1.5;display:flex;align-items:center;gap:14px}.brand small{font-size:9px;letter-spacing:2.5px;font-weight:500}.mark{font-family:Georgia,serif;font-size:35px;border:1px solid var(--ink);padding:0 8px;letter-spacing:-3px}.mark span{font-family:Arial;font-size:17px;vertical-align:top;letter-spacing:0}nav{display:flex;gap:35px;align-items:center;font-size:13px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;background:var(--ink);color:white;border:1px solid var(--ink);padding:16px 24px;font-size:13px;font-weight:500;transition:background .2s,transform .2s}.button:hover{background:#285653;transform:translateY(-2px)}.button.small{padding:11px 18px;gap:18px}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;padding-top:65px;padding-bottom:65px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:700;margin:0 0 28px}.dot{display:inline-block;background:var(--accent);width:7px;height:7px;border-radius:50%;margin-right:7px}h1,h2{font-family:Calibri, Candara, "Segoe UI", Arial, sans-serif;font-weight:400;letter-spacing:-1.5px;line-height:1.05;margin:0}h1{font-size:clamp(44px,4.9vw,67px)}em{font-weight:400;color:var(--accent)}h2{font-size:48px}.intro{font-size:20px;line-height:1.45;font-weight:500;margin:25px 0 3px}.subtitle{font-size:13px;margin:0;color:var(--muted)}.byline{font-size:12px;margin:16px 0 28px}.actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.text-link{font-size:12px;border-bottom:1px solid #a9b6ad;padding-bottom:5px}.book-stage{min-height:490px;background:#e5e9df;position:relative;display:grid;place-content:center;overflow:hidden}.stage-label{position:absolute;top:24px;left:26px;font-size:8px;letter-spacing:2px}.orbit{border:1px solid #bdcbbb;border-radius:50%;position:absolute;width:470px;height:470px;top:45px;left:40px}.orbit-two{width:600px;height:600px;top:105px;left:-65px}.book{position:relative;width:265px;transform:perspective(1000px) rotateY(-12deg) rotateZ(-5deg);box-shadow:20px 27px 25px #213c3b38;background:#203c4c;min-height:348px;border-left:7px solid #173140;z-index:1}.book img{display:block;width:100%;height:348px;object-fit:cover}.book:after{content:'';position:absolute;top:4px;bottom:0;right:-7px;width:7px;background:repeating-linear-gradient(#d4d4cc 0 1px,#faf9f1 1px 3px);transform:skewY(25deg);transform-origin:left}.fallback{color:white;padding:25px 20px;background:#233e50;min-height:348px}.fallback strong{display:block;font-size:24px;line-height:1.1;margin:20px 0}.fallback small{font-size:9px;letter-spacing:1px}.fallback p{font-size:13px}.edition-note{position:absolute;bottom:22px;right:24px;display:flex;align-items:center;gap:12px}.edition-note span{font-family:Georgia,serif;font-size:35px}.edition-note p{font-size:9px;line-height:1.5}.ribbon{background:var(--ink);color:#e9ece4}.ribbon .wrap{display:flex;justify-content:space-between;padding-top:23px;padding-bottom:23px;font-size:10px;letter-spacing:2.1px}.purpose{display:grid;grid-template-columns:1.1fr 1fr;gap:75px;padding-top:95px;padding-bottom:95px}.purpose h2{font-size:43px}.purpose p:not(.eyebrow){font-size:14px;margin-top:0}.muted{color:var(--muted)}.inside{background:#edeFE7;padding:80px 0}.section-top{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:35px}.section-top .eyebrow{margin-bottom:16px}.section-top>p{font-size:13px;color:var(--muted);margin-bottom:0}.filters{display:flex;gap:9px;flex-wrap:wrap;margin:35px 0 25px}.filters button{border:1px solid #c5cfc4;background:transparent;color:var(--ink);padding:9px 18px;border-radius:2px;font-size:12px}.filters button.active{background:var(--ink);color:white;border-color:var(--ink)}.chapters{display:grid;grid-template-columns:1fr 1fr;column-gap:40px}.chapter{display:flex;gap:18px;align-items:center;border-bottom:1px solid #c8d1c5;padding:19px 0;min-height:72px}.chapter:hover h3{color:var(--accent)}.chapter span{font-size:11px;color:var(--muted)}.chapter h3{font-size:14px;font-weight:500;margin:0}.chapter b{font-size:17px;font-weight:400;margin-left:auto}.chapter[hidden]{display:none}.fine{font-size:11px;color:var(--muted);margin-top:27px}.fine a{text-decoration:underline;text-underline-offset:3px}.readers{padding-top:90px;padding-bottom:90px}.readers h2{max-width:620px}.reader-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:45px}.reader-grid article{border-top:1px solid var(--line);padding-top:24px}.reader-grid span{font-size:9px;letter-spacing:1.6px;color:var(--accent)}h3{font-weight:500}.reader-grid h3{font-size:19px;margin-bottom:12px}.reader-grid p{font-size:13px;color:var(--muted)}.authors{background:var(--ink);color:#f5f3eb;padding:80px 0}.authors em{color:#dba184}.authors .eyebrow{color:#c8d3c7}.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:50px}.author-grid article{display:flex;gap:22px}.initial{flex-shrink:0;width:67px;height:67px;border:1px solid #6d8980;display:grid;place-content:center;font-family:Georgia,serif;font-size:25px;color:#d9b197}.author-grid h3{font-size:22px;margin:0}.credentials{font-size:10px;letter-spacing:1.5px;margin:4px 0 16px;color:#c0cfc6}.author-grid p:last-child{font-size:13px;color:#d1dbd3}.buy{text-align:center;padding-top:90px;padding-bottom:65px}.buy h2{font-size:65px}.buy>p:not(.eyebrow):not(.fine){font-size:14px}.buy .actions{justify-content:center;margin-top:30px}.outline{background:transparent;color:var(--ink)}.outline:hover{background:#e2e8dd}.buy details{max-width:540px;margin:35px auto 0;text-align:left;border-top:1px solid var(--line);padding:18px 0;font-size:12px}.buy details summary{cursor:pointer}.buy details a{text-decoration:underline}footer{border-top:1px solid var(--line);display:flex;gap:30px;align-items:center;padding-top:30px;padding-bottom:30px}footer .brand{font-size:9px;display:block}footer .brand small{display:block;font-size:8px}footer p{font-size:10px;color:var(--muted);margin-left:auto}footer p a{text-decoration:underline}.share{border:0;background:none;color:var(--ink);font-size:10px;padding:8px}#share-status{font-size:10px}.skip{position:absolute;top:-100px;left:20px;padding:12px;background:white;z-index:10}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1440px){.hero{gap:70px;padding-top:80px;padding-bottom:80px}.book-stage{min-height:530px}}
@media(max-width:800px){.wrap,header{padding-left:25px;padding-right:25px}header{height:88px}nav{gap:18px}nav>a:not(.button){display:none}.hero{gap:35px;grid-template-columns:1fr;padding-top:45px;padding-bottom:35px}h1{font-size:54px}.hero-copy{max-width:600px}.book-stage{min-height:440px}.book{width:245px}.book img{height:328px}.ribbon .wrap{flex-wrap:wrap;gap:18px;font-size:8px}.purpose{grid-template-columns:1fr;gap:30px;padding-top:60px;padding-bottom:60px}h2,.purpose h2{font-size:40px}.inside,.authors{padding:55px 0}.section-top{align-items:flex-start;flex-direction:column;gap:15px}.chapters{grid-template-columns:1fr}.reader-grid,.author-grid{grid-template-columns:1fr;gap:25px}.readers{padding-top:60px;padding-bottom:60px}.reader-grid{margin-top:30px}.author-grid{margin-top:30px}.author-grid article{max-width:500px}.buy{padding-top:60px;padding-bottom:40px}.buy h2{font-size:53px}footer{flex-wrap:wrap;gap:15px}footer p{margin:0}.actions{gap:20px}.hero .actions{gap:25px}.eyebrow{font-size:9px}.filters{gap:7px}.filters button{padding:8px 12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.authors .section-top>p{color:#c8d3c7}.author-grid .appointment{font-size:12px;color:#e4c3ac;line-height:1.6}.author-grid p:not(.credentials):not(.appointment){font-size:13px;color:#d1dbd3}.author-grid .text-link{display:inline-block;margin-top:8px}.author-source{font-size:10px;color:#c0cfc6;border-top:1px solid #56716a;margin:40px 0 0;padding-top:20px;max-width:800px}

.practice{padding-top:0;padding-bottom:85px}.practice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.practice-grid article{border-top:2px solid #c3633e;padding-top:24px}.practice-grid .eyebrow{font-size:9px;letter-spacing:1.2px}.practice-grid h3{font-family:Calibri, Candara, "Segoe UI", Arial, sans-serif;font-size:30px;line-height:1.15;margin:18px 0}.practice-grid p{font-size:13px;color:var(--muted)}.practice-grid .text-link{display:inline-block;margin-top:12px}@media(max-width:800px){.practice{padding-bottom:55px}.practice-grid{grid-template-columns:1fr;gap:32px}}

/* Readable system typography, with Calibri preferred. */
body{font-size:18px;line-height:1.65}
h1,h2{font-weight:600;letter-spacing:-.035em;line-height:1.12}
h1{font-size:clamp(42px,4.4vw,60px)}
h2{font-size:44px}
h1 em,h2 em{font-style:normal}
.purpose h2{font-size:40px}
.intro{font-size:23px}.subtitle,.byline{font-size:16px}
.purpose p:not(.eyebrow),.reader-grid p,.practice-grid p,.author-grid p:not(.credentials):not(.appointment),.author-grid p:last-child{font-size:17px;line-height:1.65}
.chapter h3{font-size:18px}.chapter span{font-size:14px}
.button,.text-link,.filters button,nav{font-size:16px}
.section-top>p,.buy>p:not(.eyebrow):not(.fine){font-size:17px}
.reader-grid h3,.author-grid h3{font-size:24px}
.practice-grid h3{font-size:28px;line-height:1.2;font-weight:600}
.author-grid .appointment{font-size:15px}.credentials{font-size:13px}
.fine,.author-source,footer p,.share,.buy details{font-size:14px}
.eyebrow,.practice-grid .eyebrow{font-size:12px}
@media(max-width:800px){h1{font-size:44px}h2,.purpose h2{font-size:35px}.buy h2{font-size:44px}.hero .actions{gap:20px}.eyebrow{font-size:11px}.filters button{font-size:15px}.chapter h3{font-size:17px}}

.other-retailers{max-width:820px;margin:45px auto 0;text-align:left}.other-retailers h3{font-size:23px;margin:0 0 20px}.retailer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.retailer{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);padding:18px 20px;background:#fff6;transition:border-color .2s,background .2s}.retailer:hover{border-color:var(--ink);background:#e9ede3}.retailer strong{display:block;font-size:18px;font-weight:600}.retailer small{display:block;font-size:15px;color:var(--muted);margin-top:4px}.retailer>span:nth-child(2){font-size:22px}@media(max-width:600px){.retailer-grid{grid-template-columns:1fr}.other-retailers{margin-top:35px}}

.author-grid article{display:block}.author-photo{display:block;width:150px;height:180px;object-fit:cover;object-position:center 30%;border:1px solid #6d8980;margin-bottom:24px;background:#c7ceca}.author-source a{text-decoration:underline;text-underline-offset:3px}@media(max-width:800px){.author-grid{gap:40px}.author-photo{width:140px;height:168px}}

.chapters{align-items:start}.chapter-topic{border-bottom:1px solid #c8d1c5}.chapter-topic[hidden]{display:none}.chapter-topic .chapter{cursor:pointer;list-style:none;border-bottom:0}.chapter-topic summary::-webkit-details-marker{display:none}.chapter-topic summary::marker{content:""}.chapter-topic[open] .chapter{color:var(--accent)}.chapter-topic[open] .chapter b{transform:rotate(45deg)}.chapter-topic .chapter b{font-size:24px}.chapter-overview{padding:4px 0 25px 32px}.chapter-overview .eyebrow{font-size:10px;letter-spacing:1.4px;margin:0 0 12px}.chapter-overview h4{font-size:20px;line-height:1.35;font-weight:600;margin:0 0 14px}.chapter-overview p{font-size:16px;line-height:1.65;margin:0 0 16px;color:var(--muted)}.chapter-overview .text-link{font-size:15px;display:inline-block}.chapter-overview strong{color:var(--ink)}
.hero{grid-template-columns:1.15fr 1fr;gap:64px;padding-top:48px;padding-bottom:48px}.hero h1{font-size:48px;line-height:1.08;letter-spacing:-.03em;max-width:620px}.hero .book-series{font-size:12px;letter-spacing:1.7px;margin-bottom:20px}.book-subtitle{font-size:27px;line-height:1.25;color:var(--accent);margin:18px 0 22px}.book-authors{margin:0 0 20px}.book-authors p{font-size:18px;line-height:1.45;margin:4px 0}.book-authors strong{font-weight:600}.book-description{font-size:18px;line-height:1.5;max-width:530px;margin:0 0 20px}.book-imprint{font-size:15px;line-height:1.65;color:var(--muted);margin:0 0 24px}.hero-isbn{color:var(--ink)}.book-stage{min-height:610px;background:#e4e9df;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:54px 30px 24px}.stage-label{position:static;font-size:10px;letter-spacing:1.8px;margin-bottom:34px}.book{width:275px;min-height:0;transform:perspective(1000px) rotateY(-8deg) rotateZ(-3deg)}.book img{width:100%;height:auto;object-fit:contain}.cover-caption{text-align:center;margin:34px 0 0;font-size:16px;font-weight:600;line-height:1.5}.cover-caption span{font-size:13px;font-weight:400;color:var(--muted)}.publication{padding-top:24px;padding-bottom:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.publication>div{border-left:2px solid var(--accent);padding-left:18px}.publication span{display:block;font-size:11px;letter-spacing:1.5px;color:var(--muted)}.publication strong{display:block;font-size:18px;font-weight:500;margin-top:5px}.publication>p{grid-column:1/-1;font-size:14px;color:var(--muted);margin:0}.publication a{text-decoration:underline;text-underline-offset:3px}.ribbon{margin-top:35px}nav{gap:24px}nav>a{white-space:nowrap}

@media(max-width:1000px){.hero{gap:30px}.hero h1{font-size:41px}.book-stage{min-height:570px}.book{width:235px}.hero .actions{gap:18px}nav{gap:18px}nav a{font-size:14px}}
@media(max-width:800px){header{height:auto;min-height:100px;padding-top:18px;padding-bottom:18px;gap:20px;flex-wrap:wrap}nav{gap:16px;flex-wrap:wrap}nav>a:not(.button){display:block}nav .button.small{padding:7px 12px;font-size:14px}.hero{grid-template-columns:1fr;padding-top:35px;padding-bottom:35px}.hero h1{font-size:40px;max-width:600px}.hero .book-series{font-size:11px}.book-subtitle{font-size:25px}.book-description{font-size:18px}.book-stage{min-height:0;padding:30px 25px}.book{width:235px}.cover-caption{margin-top:28px}.publication{grid-template-columns:1fr;padding-top:25px;padding-bottom:25px;gap:18px}.publication strong{font-size:18px}.ribbon{margin-top:25px}}
@media(max-width:420px){.hero h1{font-size:36px}.book-authors p{font-size:17px}.book-series{line-height:1.6}.brand{font-size:11px}nav{gap:14px}.publication>p{font-size:13px}}

/* Primary book navigation */
html{scroll-padding-top:115px}.site-header{position:sticky;top:0;z-index:50;width:100%;max-width:none;height:auto;min-height:0;padding:0;background:#f7f5eef5;border-bottom:1px solid #cbd4c8;box-shadow:0 3px 18px #173c3b06;display:block;backdrop-filter:blur(12px)}
.nav-inner{max-width:1240px;padding:20px 48px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:26px}.nav-brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.nav-book-icon{display:grid;place-items:center;color:var(--ink);width:45px;height:45px}.nav-brand strong{display:block;font-size:19px;line-height:1.2;font-weight:600;letter-spacing:-.35px}.nav-brand small{display:block;font-size:9px;line-height:1.5;letter-spacing:1.4px;color:var(--muted);margin-top:5px}.primary-menu{display:flex;align-items:center;gap:7px}.primary-menu .nav-link{display:block;position:relative;padding:12px 13px;font-size:15px;font-weight:500;border-radius:4px;white-space:nowrap;color:#465d57;transition:background .15s,color .15s}.primary-menu .nav-link:hover{background:#e6ebe0;color:var(--ink)}.primary-menu .nav-link[aria-current]{background:#e6ebe0;color:var(--ink)}.primary-menu .nav-link[aria-current]:after{content:'';position:absolute;bottom:5px;left:13px;right:13px;height:2px;background:var(--accent)}.primary-menu .nav-buy{display:flex;align-items:center;justify-content:center;gap:18px;background:var(--ink);color:white;padding:12px 20px;margin-left:12px;border-radius:4px;font-size:16px;white-space:nowrap;transition:background .15s}.primary-menu .nav-buy:hover{background:#285653}.menu-toggle{display:none;border:1px solid #b8c6b6;background:transparent;color:var(--ink);border-radius:4px;padding:10px 13px;align-items:center;gap:14px;font-size:15px;min-height:44px}.menu-icon{width:19px;height:16px;display:flex;flex-direction:column;justify-content:center;gap:5px}.menu-icon span{display:block;width:19px;height:1.5px;background:currentColor;transition:transform .15s}.site-header[data-menu-open="true"] .menu-icon span:first-child{transform:translateY(3.25px) rotate(45deg)}.site-header[data-menu-open="true"] .menu-icon span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
@media(max-width:1150px) and (min-width:1001px){.nav-inner{padding-left:30px;padding-right:30px;gap:18px}.nav-brand strong{font-size:17px}.primary-menu .nav-link{padding-left:9px;padding-right:9px;font-size:14px}.primary-menu .nav-buy{margin-left:6px;padding-left:16px;padding-right:16px}.nav-brand small{font-size:8px}}
@media(max-width:1000px){html{scroll-padding-top:100px}.nav-inner{padding:15px 25px;display:grid;grid-template-columns:1fr auto;gap:0 15px}.nav-brand strong{font-size:18px}.nav-brand small{font-size:9px;letter-spacing:1px}.nav-book-icon{width:35px;height:40px}.nav-book-icon svg{width:35px;height:35px}.site-header.navigation-ready .menu-toggle{display:flex}.primary-menu{grid-column:1/-1;display:flex;flex-direction:column;align-items:stretch;gap:5px;padding-top:15px;margin-top:15px;border-top:1px solid var(--line);max-height:calc(100dvh - 110px);overflow-y:auto}.site-header.navigation-ready[data-menu-open="false"] .primary-menu{display:none}.primary-menu .nav-link{font-size:17px;padding:13px 16px}.primary-menu .nav-link[aria-current]:after{left:5px;right:auto;top:14px;bottom:14px;width:2px;height:auto}.primary-menu .nav-buy{margin:10px 0 3px;padding:14px 18px;font-size:17px;justify-content:space-between}}
@media(max-width:420px){.nav-inner{padding:13px 18px;gap:0 10px}.nav-brand{gap:8px}.nav-brand strong{font-size:16px;letter-spacing:-.3px}.nav-brand small{font-size:7px;letter-spacing:1px}.nav-book-icon{width:29px}.nav-book-icon svg{width:30px}.menu-toggle{padding:9px 10px;gap:9px;font-size:14px}}

.ai-context{padding:65px 0 75px;border-top:1px solid var(--line);background:#f0f1e9}.ai-context h2{max-width:760px}.ai-narrative{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:35px}.ai-narrative p{font-size:18px;line-height:1.65;color:var(--muted);margin:0 0 22px}.ai-narrative h3{font-size:25px;line-height:1.25;font-weight:600;margin:0 0 18px}.ai-narrative .ai-scope{font-size:16px;border-left:3px solid var(--accent);padding-left:18px;color:var(--ink)}.ai-narrative .text-link{display:inline-block}.ai-article{margin-top:42px;padding:28px 30px;background:var(--cream);border:1px solid #ccd5c7;display:flex;align-items:center;gap:35px;justify-content:space-between}.ai-article .eyebrow{font-size:10px;margin-bottom:12px}.ai-article h3{font-size:23px;line-height:1.3;font-weight:600;max-width:720px;margin:0 0 12px}.ai-article p:last-child{font-size:15px;color:var(--muted);margin:0}.ai-article .button{flex-shrink:0}@media(max-width:800px){.ai-context{padding:50px 0}.ai-narrative{grid-template-columns:1fr;gap:30px}.ai-narrative p{font-size:17px}.ai-article{flex-direction:column;align-items:flex-start;padding:24px;gap:24px}.ai-article h3{font-size:22px}}