:root{--navy:#102b49;--navy-2:#173e65;--blue:#1879bd;--blue-2:#38a4d4;--text:#273d54;--muted:#61758a;--line:#dce6ee;--ice:#f2f7fb;--cream:#fcfdff;--accent:#dd9656;--green:#4ca89c;--max:1160px}
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:90px}
  body{margin:0;background:#fff;color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
  a{color:inherit}img{max-width:100%;height:auto;display:block}button{font:inherit}
  p{margin:0 0 1.05em}h1,h2,h3{color:var(--navy);font-weight:720;letter-spacing:-.035em;line-height:1.16;margin:0}
  strong{color:var(--navy)}
  :focus-visible{outline:3px solid #34a6e2;outline-offset:3px}
  .skip{position:absolute;left:16px;top:-50px;z-index:400;background:#fff;padding:8px 16px;border-radius:9px}
  .skip:focus{top:10px}
  .container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
  .site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(203,216,228,.7);background:rgba(255,255,255,.95);backdrop-filter:blur(20px)}
  .header-content{display:flex;justify-content:space-between;align-items:center;gap:22px;min-height:78px}
  .brand{text-decoration:none;display:inline-flex;align-items:center;gap:12px;font-size:17px;font-weight:780;letter-spacing:-.04em;color:var(--navy);white-space:nowrap}
  .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--navy);position:relative;overflow:hidden}
  .brand-mark::before,.brand-mark::after{content:"";position:absolute;border:1px solid #91d3f7;width:47px;height:31px;border-radius:50%;transform:rotate(-25deg)}
  .brand-mark::after{transform:rotate(25deg);border-color:#d9ecf8;width:53px;height:24px}
  .brand-mark i{position:relative;z-index:1;display:block;background:var(--accent);width:4px;height:17px;border-radius:10px;box-shadow:7px 0 0 var(--accent)}
  .nav-links{display:flex;align-items:center;gap:30px}
  .nav-links a{font-size:13px;font-weight:650;text-decoration:none;color:#506982;transition:color .2s}
  .nav-links a:hover{color:var(--navy)}
  .header-cta{margin-left:8px}
  .btn{display:inline-flex;justify-content:center;align-items:center;gap:10px;text-align:center;text-decoration:none;font-weight:700;font-size:14px;line-height:1.3;min-height:50px;border-radius:11px;padding:14px 19px;border:1px solid transparent;transition:transform .2s,background-color .2s,box-shadow .2s}
  .btn:hover{transform:translateY(-2px)}
  .btn-primary{background:var(--navy);color:white;box-shadow:0 11px 24px rgba(16,43,73,.16)}
  .btn-primary:hover{background:#215078;box-shadow:0 15px 28px rgba(16,43,73,.2)}
  .btn-secondary{border-color:#d0dfea;background:white;color:var(--navy)}
  .btn-secondary:hover{background:#f5f9fc}
  .btn-text{font-size:14px;text-decoration:none;color:var(--navy);font-weight:750}
  .btn-text:hover{text-decoration:underline}
  .mobile-menu{display:none;position:relative}
  .mobile-menu summary{list-style:none;border:1px solid var(--line);padding:8px 12px;border-radius:8px;cursor:pointer;color:var(--navy);font-weight:700}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu .mobile-links{position:absolute;right:0;top:46px;width:220px;padding:12px;display:grid;gap:4px;box-shadow:0 15px 40px rgba(26,51,75,.13);background:#fff;border:1px solid var(--line);border-radius:13px}
  .mobile-links a{padding:9px 11px;font-size:14px;text-decoration:none;border-radius:6px}
  .mobile-links a:hover{background:var(--ice)}
  .eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:#2773a6;margin:0 0 17px}
  .hero{position:relative;overflow:hidden;background:linear-gradient(116deg,#fbfdff 4%,#f0f7fb 53%,#eef7fd 100%);border-bottom:1px solid #e2edf4}
  .hero::before{content:"";position:absolute;width:700px;height:700px;border:1px solid rgba(45,126,185,.11);border-radius:50%;top:-260px;right:-180px;box-shadow:0 0 0 70px rgba(45,126,185,.035),0 0 0 148px rgba(45,126,185,.025)}
  .hero-grid{min-height:615px;padding-top:78px;padding-bottom:76px;display:grid;grid-template-columns:1.2fr .8fr;gap:55px;align-items:center;position:relative;z-index:1}
  h1{font-size:clamp(41px,4.5vw,68px);line-height:1.05;max-width:690px;margin-bottom:25px}
  .hero h1 em{font-style:normal;color:#2478b0}
  .hero-lede{max-width:545px;font-size:18px;line-height:1.68;color:#4e6680;margin:0 0 28px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
  .hero-note{font-size:13px;color:#688198;display:flex;align-items:center;gap:8px}
  .hero-note svg{flex-shrink:0}
  .book-display{position:relative;width:min(100%,345px);margin:auto;z-index:2}
  .book-cover{width:100%;border-radius:3px 9px 9px 3px;box-shadow:24px 28px 52px rgba(21,44,77,.22),5px 8px 14px rgba(21,44,77,.09);transform:rotate(2deg);border-left:9px solid #18345a;position:relative;z-index:2}
  .book-display::after{content:"";position:absolute;bottom:-44px;left:1%;width:95%;height:35px;border-radius:50%;background:rgba(17,47,77,.15);filter:blur(15px)}
  .callout{position:absolute;font-size:12px;font-weight:750;border-radius:100px;white-space:nowrap;background:#fff;box-shadow:0 12px 25px rgba(20,66,103,.09);border:1px solid #e1ebf3;color:#285676;padding:10px 15px;z-index:3}
  .callout::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#5eb5dc;margin-right:8px}
  .callout-a{left:-167px;top:17%}.callout-b{right:-130px;top:55%}.callout-c{left:-180px;bottom:12%}
  .proof-strip{background:white;border-bottom:1px solid #e8eff5}
  .proof-list{display:grid;grid-template-columns:repeat(3,1fr);padding:24px 0;gap:24px}
  .proof-item{font-size:13px;color:#667e93;display:flex;align-items:center;justify-content:center;gap:13px;text-align:left}
  .proof-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;flex-shrink:0;background:#eff7fc;color:#236a9b;font-size:22px;font-weight:800}
  .proof-item strong{display:block;font-size:14px;margin-bottom:1px}
  section{scroll-margin-top:94px}
  .section{padding:105px 0}
  .section-heading{max-width:730px;margin:0 auto 51px;text-align:center}
  .section-heading h2{font-size:clamp(29px,3.2vw,43px);margin-bottom:17px}
  .section-heading p:not(.eyebrow){font-size:16px;color:#64798e;margin:0}
  .insight-grid{display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:76px}
  .insight-copy h2{font-size:clamp(30px,3vw,43px);margin-bottom:22px}
  .insight-copy p{color:#5d7288;font-size:16px}
  .impact-panel{padding:32px;border:1px solid #d9e6ef;background:linear-gradient(145deg,#fcfdff,#f0f6fa);border-radius:19px;box-shadow:0 22px 60px rgba(26,57,80,.055)}
  .impact-kicker{color:#4d6e87;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:24px}
  .metric-two{display:grid;grid-template-columns:1fr 1fr;gap:13px}
  .metric-card{background:#fff;padding:25px 19px 22px;border-radius:13px;box-shadow:0 1px 0 #e2eaf0}
  .metric-card b{display:block;font-size:clamp(25px,3vw,43px);color:var(--navy);letter-spacing:-.05em;line-height:1.1;margin-bottom:7px}
  .metric-card span{font-size:13px;color:#60778e;line-height:1.35;display:block}
  .metric-card:last-child b{color:#2780b9}
  .impact-foot{font-size:13px;color:#697f92;margin-top:19px;border-top:1px solid #d9e6ef;padding-top:18px;line-height:1.5}
  .pillars{background:#f5f9fc;border-block:1px solid #e8eef3}
  .pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .pillar-card{background:white;border:1px solid #dfebf3;border-radius:17px;overflow:hidden;box-shadow:0 8px 20px rgba(18,58,91,.032);transition:transform .22s,box-shadow .22s}
  .pillar-card:hover{transform:translateY(-5px);box-shadow:0 17px 40px rgba(18,58,91,.09)}
  .pillar-card img{width:100%;aspect-ratio:1.43/1;object-fit:cover;object-position:center;mix-blend-mode:multiply;background:#edf7fd}
  .pillar-body{padding:23px 26px 29px}
  .step-label{display:block;font-size:11px;letter-spacing:.11em;font-weight:800;color:#5684a5;text-transform:uppercase;margin-bottom:9px}
  .pillar-card h3{font-size:23px;margin-bottom:11px}
  .pillar-card p{font-size:14px;color:#63788d;margin:0;line-height:1.66}
  .model{background:#fff}
  .model-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
  .model h2{font-size:clamp(29px,3vw,41px);margin-bottom:21px}
  .model p{color:#5f7488}
  .flow-card{padding:28px;border-radius:18px;border:1px solid #d8e7f1;background:#f9fcfe}
  .flow-top{font-size:12px;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:#4d7592;margin-bottom:23px}
  .states{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;align-items:stretch}
  .state{padding:18px 7px;text-align:center;border-radius:9px;background:#e8f2f9}
  .state strong{font-size:30px;display:block;color:#17547e;line-height:1.2}
  .state span{font-size:10px;text-transform:uppercase;font-weight:800;letter-spacing:.035em;color:#5b7891}
  .state:nth-child(3){background:#dcebf7}.state:nth-child(4){background:#e8eff3}
  .state:nth-child(4) strong{color:#9c683b}
  .flow-foot{font-size:12px;margin-top:15px;color:#698297;line-height:1.5}
  .audience{background:linear-gradient(130deg,#11324f,#154569);color:white}
  .audience .eyebrow{color:#7ad5f8}
  .audience-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:center}
  .audience h2{font-size:clamp(30px,3.2vw,43px);color:#fff;margin-bottom:21px}
  .audience p{color:#d1e3f0;margin:0;max-width:480px}
  .role-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
  .role{border:1px solid rgba(174,215,242,.23);background:rgba(255,255,255,.075);border-radius:13px;padding:23px 20px;font-size:15px;font-weight:680;color:#eef7ff;line-height:1.36}
  .role::before{content:"↗";display:block;font-size:23px;color:#82cde9;margin-bottom:12px;font-weight:400}
  .author{background:#fff}
  .author-card{display:grid;grid-template-columns:230px 1fr;gap:56px;align-items:center;background:#f6f9fc;border:1px solid #e0eaf1;border-radius:22px;padding:57px 64px}
  .author-portrait{width:210px;height:245px;object-fit:cover;object-position:center 35%;border-radius:20px;box-shadow:0 12px 25px rgba(16,43,73,.12)}
  .author-monogram{display:grid;place-items:center;width:210px;height:210px;border-radius:30px;background:linear-gradient(145deg,#234f76,#123050);font-size:80px;color:#edf6ff;font-weight:650;letter-spacing:-.12em;position:relative;overflow:hidden}
  .author-monogram::after{content:"";position:absolute;inset:30px;border:1px solid rgba(216,240,255,.2);border-radius:50%}
  .author h2{font-size:clamp(29px,3vw,40px);margin-bottom:18px}
  .author p{color:#5c7285;max-width:650px}
  .author .btn-text{display:inline-block;margin-top:4px}
  .closing{background:#fff;padding:0 0 82px}
  .closing-panel{padding:63px 30px;background:linear-gradient(119deg,#edf6fd,#f5fafd 70%,#e5f3fa);border:1px solid #d7eaf5;border-radius:24px;text-align:center}
  .closing-panel h2{font-size:clamp(32px,3.6vw,47px);max-width:720px;margin:0 auto 19px}
  .closing-panel p{max-width:620px;margin:0 auto 27px;color:#58748b}
  .site-footer{background:#f8fafc;border-top:1px solid #e4ecf3;padding:32px 0;font-size:13px;color:#718496}
  .footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .footer-links{display:flex;gap:20px;flex-wrap:wrap}
  .footer-links a{text-decoration:none;color:#395f7a;font-weight:600}
  .footer-links a:hover{text-decoration:underline}
  .fine-print{font-size:12px;color:#738699}
  @media(max-width:1100px){.callout-a,.callout-b,.callout-c{display:none}.hero-grid{gap:30px}.pillar-card h3{font-size:21px}}
  @media(max-width:830px){.nav-links{display:none}.mobile-menu{display:block}.hero-grid{grid-template-columns:1fr 290px;gap:25px;padding-top:62px;min-height:540px}.hero h1{font-size:clamp(40px,5vw,53px)}.hero-lede{font-size:16px}.proof-list{gap:12px}.proof-item{gap:8px}.insight-grid,.model-inner,.audience-grid{gap:34px}.author-card{grid-template-columns:145px 1fr;gap:24px;padding:35px}.author-portrait{width:145px;height:185px;} .author-monogram{width:145px;height:145px;font-size:56px}.section{padding:75px 0}}
  @media(max-width:650px){html{scroll-padding-top:73px}.container{width:min(calc(100% - 34px),var(--max))}.header-content{min-height:64px}.brand{font-size:15px}.brand-mark{width:32px;height:32px}.hero-grid{display:flex;flex-direction:column;gap:42px;padding:51px 0 72px;align-items:stretch}.hero h1{font-size:clamp(38px,10.7vw,53px)}.hero-lede{font-size:16px}.hero-actions .btn{flex:1}.book-display{width:min(72%,265px)}.book-cover{box-shadow:17px 20px 38px rgba(21,44,77,.2)}.proof-list{grid-template-columns:1fr;gap:10px;padding:20px 0}.proof-item{justify-content:flex-start;padding:4px 0}.proof-icon{height:36px;width:36px}.section{padding:69px 0}.section-heading{margin-bottom:33px}.section-heading h2{font-size:33px}.insight-grid,.model-inner,.audience-grid{grid-template-columns:1fr;gap:29px}.impact-panel{padding:18px}.metric-card{padding:19px 15px}.metric-card b{font-size:30px}.pillar-grid{grid-template-columns:1fr}.pillar-card img{aspect-ratio:1.8/1}.pillar-body{padding:19px 21px 22px}.role-grid{gap:9px}.role{padding:20px 14px;font-size:13px}.audience p{max-width:100%}.author-card{grid-template-columns:1fr;padding:28px;gap:25px}.author-portrait{width:145px;height:182px;} .author-monogram{width:105px;height:105px;font-size:43px;border-radius:20px}.closing{padding-bottom:43px}.closing-panel{padding:43px 23px}.closing-panel h2{font-size:33px}.footer-inner{flex-direction:column;text-align:center}.footer-links{justify-content:center}}
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.pillar-card{transition:none}}

  .nav-links a.btn-primary{color:#fff}
  /* Topic-led editorial resources for readers and search discovery. */
  .learn-area{background:#fff;border-top:1px solid #e6eef4}
  .resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .resource-card{border:1px solid #dce8f0;border-radius:16px;padding:27px;background:#fcfeff;display:flex;flex-direction:column;gap:10px}
  .resource-card:hover{border-color:#8fc5e7;box-shadow:0 8px 27px rgba(33,82,116,.06)}
  .resource-card p{color:#5c7288;font-size:15px;margin:0}
  .resource-card h3{font-size:21px;line-height:1.25;letter-spacing:-.025em}
  .resource-card a{color:#176b9f;text-decoration:none;font-weight:750;font-size:14px;margin-top:auto;padding-top:6px}
  .resource-card a:hover{text-decoration:underline}
  .quickfacts{background:#f5f9fc;border-top:1px solid #e5edf4}
  .quickfacts-inner{max-width:860px;margin:auto}
  .quickfacts-inner h2{font-size:clamp(29px,3vw,41px);margin-bottom:24px}
  .qa-row{border-top:1px solid #dae6ef;padding:20px 0}
  .qa-row h3{font-size:19px;letter-spacing:-.015em;margin-bottom:8px}
  .qa-row p{color:#58748b;margin:0}
  @media(max-width:650px){.resource-grid{grid-template-columns:1fr}.resource-card{padding:22px}}
  
  

/* Authentic reading previews and contents navigation */
.chapters-linkline{margin:26px 0 0;text-align:center}.chapters-linkline a{color:#176f9f;font-weight:750;text-underline-offset:3px}
.preview-section{background:#edf6fb}.preview-panel{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;background:linear-gradient(130deg,#ffffff 8%,#f9fcfe);border:1px solid #d9e8f2;border-radius:22px;padding:clamp(24px,5vw,60px);box-shadow:0 12px 45px rgba(12,51,78,.045)}
.preview-panel h2{font-size:clamp(30px,4vw,44px);margin-bottom:20px;letter-spacing:-.035em}.preview-panel p{max-width:790px;color:#4d6b82}
.preview-panel blockquote{font-family:Georgia,serif;font-size:clamp(21px,2.7vw,30px);line-height:1.48;color:#1b4161;border-left:4px solid #459ccc;padding:5px 0 5px 27px;margin:31px 0 9px;max-width:830px}
.preview-panel .preview-attribution{font-size:13px;color:#6e8191;margin-bottom:26px}.preview-links{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.preview-links .btn{font-size:13px}
.preview-contents-link{color:#146d9d;font-weight:750;text-decoration:underline;text-underline-offset:3px;padding:10px}
@media(max-width:650px){.preview-panel blockquote{padding-left:16px}.preview-links{display:grid;grid-template-columns:1fr}.preview-links .btn,.preview-contents-link{text-align:center}}
@media(max-width:380px){.model-inner>*{min-width:0}.flow-card{padding:16px}.states{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}}


:root{--navy:#102b49;--blue:#1e78ae;--text:#273d54;--muted:#60758c;--ice:#f3f8fb;--line:#dbe6ef}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:#fff;color:var(--text);font:16px/1.75 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:#126fa4}h1,h2,h3{letter-spacing:-.035em;color:var(--navy);line-height:1.16}h1{font-size:clamp(36px,5vw,56px);margin:0 0 20px}h2{font-size:clamp(25px,3vw,33px);margin:50px 0 17px}h3{font-size:21px}p{margin:0 0 1.1em}strong{color:#193e5c}ul,ol{padding-left:25px}li{padding-bottom:8px}abbr{cursor:help}
.wrap{width:min(calc(100% - 42px),1100px);margin:auto}.skip{position:absolute;left:10px;top:-80px;z-index:99;background:#fff;padding:12px}.skip:focus{top:10px}
.topbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.top-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}.logo{color:var(--navy);font-weight:800;letter-spacing:-.035em;text-decoration:none;font-size:19px}.links{display:flex;gap:21px;align-items:center;flex-wrap:wrap}.links a{text-decoration:none;font-weight:650;font-size:14px;color:#36536c}.links a:hover{text-decoration:underline}
.page-head{padding:67px 0 53px;background:linear-gradient(115deg,#fafdff,#edf6fb);border-bottom:1px solid var(--line)}.page-head .wrap{max-width:900px}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.12em;color:#2577a4;margin:0 0 20px}.deck{font-size:20px;line-height:1.58;color:#567087;max-width:790px}.meta{margin-top:20px;color:#6a8192;font-size:13px}.meta a{color:inherit;font-weight:650}
.breadcrumbs{font-size:13px;margin-bottom:22px;color:#728496}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}
.main-layout{width:min(calc(100% - 42px),1100px);margin:55px auto 90px;display:grid;grid-template-columns:minmax(0,760px) minmax(200px,270px);gap:64px;align-items:start}.copy{max-width:760px}.copy .standfirst{font-size:19px;line-height:1.65;color:#345871;margin-bottom:29px}.copy h2:first-child{margin-top:0}.copy h2{scroll-margin-top:97px}.copy p,.copy li{overflow-wrap:break-word}.copy a{font-weight:650}
.article-note{border-left:4px solid #2381bd;background:#f2f8fc;padding:21px 24px;margin:28px 0;border-radius:0 12px 12px 0;color:#3c5a72}.article-note strong{display:block}
.side{position:sticky;top:109px;border:1px solid #e0ebf2;background:#fbfdfe;border-radius:15px;padding:24px}.side h2{font-size:17px;margin:0 0 16px;letter-spacing:-.01em}.side nav a{display:block;font-size:13px;text-decoration:none;margin-bottom:10px;color:#385b75}.side nav a:hover{text-decoration:underline}.side .buy{display:block;text-align:center;background:#102b49;color:white;border-radius:9px;text-decoration:none;padding:12px 15px;font-size:13px;font-weight:700;margin-top:22px}
.related{padding:60px 0;background:#f3f8fb;border-top:1px solid #e1ebf3}.related h2{font-size:31px;margin:0 0 25px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-card{border:1px solid #dbe8f0;background:#fff;padding:22px;border-radius:12px}.related-card small{display:block;color:#2476a6;text-transform:uppercase;letter-spacing:.09em;font-size:11px;font-weight:800}.related-card h3{font-size:17px;margin:12px 0}.related-card a{text-decoration:none;font-weight:700;font-size:13px}.related-card a:hover{text-decoration:underline}
.footer{padding:35px 0;background:#fbfcfd;border-top:1px solid var(--line);font-size:13px;color:#728699}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}.footer nav{display:flex;gap:17px;flex-wrap:wrap}.footer a{text-decoration:none}
.kicker-title{font-size:clamp(34px,4vw,48px)}.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0}.index-card{border:1px solid #dce8ef;background:#fff;border-radius:15px;padding:27px}.index-card h2{margin:10px 0;font-size:23px}.index-card a{text-decoration:none}.index-card a:hover{text-decoration:underline}.index-card p{color:#63788b}.index-card small{font-size:12px;text-transform:uppercase;color:#287da9;letter-spacing:.1em;font-weight:800}.about-lede{font-size:19px;color:#4a667c}
:focus-visible{outline:3px solid #30a6e3;outline-offset:3px}
@media(max-width:870px){.main-layout{grid-template-columns:1fr}.side{position:static}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.top-inner{min-height:65px;flex-wrap:wrap;gap:6px;padding:10px 0}.logo{font-size:17px}.links{gap:11px}.links a{font-size:12px}.page-head{padding:48px 0 40px}.deck{font-size:17px}.main-layout{margin:37px auto 56px}.side{display:none}.related-grid,.index-list{grid-template-columns:1fr}.related{padding:38px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}


/* Author-supplied English-book excerpts and chapter guide (V3). */
.book-excerpt img.book-diagram{display:block;max-width:100%;height:auto;margin:28px auto;border-radius:9px;border:1px solid #d9e9f1}
.book-reading{padding:51px 0 85px}.book-reading>.standfirst{font-size:20px;line-height:1.6;max-width:850px;color:#4a687e}
.reading-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px;margin-top:32px}
.reading-cards .index-card:nth-child(3){grid-column:1/-1}
.reading-cards .index-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.reading-cards .index-card h2{margin:0;font-size:25px}
.reading-cards .index-card h2 a{color:#173e5b}.reading-cards .index-card p{margin:0 0 13px}.reading-cards .index-card>a:last-child{margin-top:auto;font-weight:750}
.edition-label{font-size:13px;color:#60788d;padding:16px 20px;background:#f4f8fc;border-left:3px solid #74b6d6;margin:0 0 35px}
.book-excerpt h2{margin:40px 0 13px}.book-excerpt ul li p,.book-excerpt ol li p{margin:0 0 14px}
.book-excerpt .source-marker{font-size:.88em;color:#276d99;cursor:help}
.book-excerpt .standfirst{color:#42657f}.book-excerpt section{scroll-margin-top:100px}.book-excerpt p{text-wrap:pretty}
.reader-next{padding:34px 36px;margin-top:46px;border:1px solid #d8e8f2;border-radius:17px;background:#f3f9fc}
.reader-next h2{font-size:25px;margin:0 0 12px}.reader-next p{color:#527086}
.reader-button{display:inline-block;background:#143b59;color:white!important;border-radius:9px;padding:13px 20px;text-decoration:none;margin:7px 14px 7px 0;font-size:14px;font-weight:750}
.reader-button:hover{background:#1c6791}.reader-link{display:inline-block;margin:7px 15px 7px 0;color:#146b9e;font-weight:700}
.editorial-wide{grid-template-columns:minmax(0,790px) minmax(200px,250px)}
.chapter-part{margin:44px 0 0}.part-label{font-size:13px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:#1877a6;margin-bottom:22px;padding-top:12px;border-top:2px solid #d7e6ee}
.chapter-list{list-style:none;counter-reset:none;padding:0;margin:0}.chapter-item{display:grid;grid-template-columns:47px 1fr;gap:18px;border-bottom:1px solid #e3edf3;padding:18px 0}
.chapter-item .chapter-num{color:#2784b5;font-size:25px;font-weight:800;line-height:1.2}.chapter-item h3{font-size:21px;line-height:1.3;margin:0 0 8px}.chapter-item p{font-size:15px;color:#54718a;margin:0;line-height:1.65}
.epilogue-note{margin:18px 0 27px;border-left:3px solid #8ac5df;padding:10px 18px;background:#f3f9fc}.epilogue-note p{color:#5b778c;margin:8px 0 0}
.chapter-extras>ul{margin-bottom:15px}.end-question{border-top:1px solid #dfecf3;margin:30px 0;padding:7px 0 0}
.extract-label{font-size:12px;color:#297da9;text-transform:uppercase;letter-spacing:.08em;font-weight:750;margin-bottom:9px}
@media(max-width:750px){.reading-cards{grid-template-columns:1fr}.reading-cards .index-card:nth-child(3){grid-column:1/-1}.reader-next{padding:26px 22px}}
@media(max-width:600px){.chapter-item{grid-template-columns:33px 1fr;gap:9px}.chapter-item h3{font-size:18px}.chapter-item .chapter-num{font-size:20px}.book-reading{padding:36px 0 55px}}

:root{--navy:#203750;--navy-2:#304c68;--blue:#9b713d;--blue-2:#c9a66b;--text:#34465a;--muted:#68727a;--line:#e6ddcc;--ice:#faf6ed;--cream:#fffdf8;--accent:#b68b4d;--green:#8b9d86}.hero{background:linear-gradient(116deg,#fffdf8,#f7f1e5 53%,#eaf0f2)}.hero h1 em,.eyebrow{color:#9b713d}.site-header{background:rgba(255,253,248,.97)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.feature-card{border:1px solid #e3dacb;border-radius:15px;padding:25px;background:white}.feature-card h3{font-size:21px;margin:14px 0}.feature-card p{color:#5b6b78}.site-footer{background:#f7f4ed;padding:35px 0}.site-footer a{color:#203750}.btn-secondary{border:1px solid #cfc2ad}.book-excerpt{line-height:1.85}@media(max-width:740px){.feature-grid{grid-template-columns:1fr}}

.feature-card img{width:100%;aspect-ratio:1.5;object-fit:contain;border-radius:9px;background:#f7f2e8;margin-bottom:15px}