:root{color-scheme:light;--ink:#12273b;--muted:#596d7c;--faint:#8293a0;--paper:#f8f7f3;--white:#ffffff;--rule:#dde2e4;--accent:#8b6c4e;--deep:#0f273c;--soft:#eaece8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.74 'Segoe UI',Arial,sans-serif}a{color:inherit}a:focus-visible,button:focus-visible{outline:3px solid #b18359;outline-offset:4px}main{min-height:68vh}.container{width:min(1120px,calc(100% - 48px));margin:auto}.topbar{background:var(--deep);color:#fff}.navwrap{min-height:86px;display:flex;align-items:center;gap:26px;justify-content:space-between}.identity{text-decoration:none;display:flex;flex-direction:column;line-height:1.18;white-space:nowrap}.identity strong{font-size:14px;letter-spacing:.13em;font-weight:700}.identity span{font-size:10px;letter-spacing:.19em;color:#b9c8d3;margin-top:9px}.desktoplinks{display:flex;gap:19px;align-items:center;flex-wrap:wrap}.desktoplinks a{font-size:12px;color:#cad7de;text-decoration:none;transition:color .2s}.desktoplinks a:hover,.desktoplinks a.current{color:#fff}.lang{display:flex;gap:7px;flex-shrink:0}.lang a{font-size:11px;padding:4px 8px;text-decoration:none;border:1px solid #506577;border-radius:4px;color:#baccd6}.lang a.sel{background:#fff;color:#12273b;border-color:white}.menu{display:none;position:relative}.menu summary{cursor:pointer;list-style:none;border:1px solid #536677;padding:5px 10px;font-size:12px;border-radius:4px}.menu details{position:relative}.drop{position:absolute;z-index:99;right:0;top:35px;background:#15364d;width:245px;padding:13px;border:1px solid #526776;border-radius:8px;box-shadow:0 16px 40px #0005}.drop a{display:block;text-decoration:none;padding:6px;color:white;font-size:14px}.hero{background:var(--deep);color:white;position:relative;overflow:hidden}.hero:after{content:'';position:absolute;width:470px;height:470px;right:-135px;top:-100px;border:1px solid #3b5265;border-radius:50%;box-shadow:0 0 0 53px #16344a,0 0 0 54px #3b5265,0 0 0 110px #153247,0 0 0 111px #3b5265;opacity:.43;pointer-events:none}.hero .container{padding:90px 0 95px;position:relative;z-index:1}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#b9a287}.hero h1{font:normal clamp(45px,6.5vw,80px)/1.05 Georgia,'Times New Roman',serif;letter-spacing:-.035em;margin:22px 0;max-width:850px}.hero .deck{max-width:690px;color:#d3dee6;font-size:18px;line-height:1.75}.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;gap:12px;padding:10px 18px;background:#f4eee3;color:#213548;border:1px solid #f4eee3;border-radius:3px;text-decoration:none;font-weight:700;font-size:13px}.btn.light{color:#ecf2f7;background:transparent;border-color:#536b79}.btn:hover{filter:brightness(.95)}.small-eyebrow{font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:700;text-transform:uppercase}.section{padding:72px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:27px}.section-head h2{font:normal 37px/1.22 Georgia,serif;letter-spacing:-.02em;margin:8px 0}.section-head p{max-width:400px;color:var(--muted);margin:0;font-size:14px}.columns{display:grid;grid-template-columns:1fr 280px;gap:80px}.prose{font-size:17px;line-height:1.85;max-width:760px}.prose p{margin:0 0 21px}.prose h2{font:normal 30px/1.25 Georgia,serif;margin:52px 0 18px}.prose strong{font-weight:650}.toc{position:sticky;top:20px;align-self:start;border-top:2px solid var(--accent);padding-top:16px}.toc h3{font-size:10px;letter-spacing:.18em;text-transform:uppercase;margin:0 0 12px;color:var(--accent)}.toc a{display:block;font-size:13px;text-decoration:none;color:var(--muted);border-bottom:1px solid var(--rule);padding:9px 0}.toc a:hover{color:var(--ink)}.query{font:italic 28px/1.5 Georgia,serif;color:#26495c;padding:32px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin:30px 0 44px}.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic{background:#fff;border:1px solid var(--rule);min-height:195px;padding:25px 24px;text-decoration:none;display:flex;flex-direction:column;justify-content:space-between;transition:transform .2s,box-shadow .2s}.topic:hover{transform:translateY(-3px);box-shadow:0 10px 25px #102b4310}.topic small{color:var(--accent);letter-spacing:.13em}.topic strong{display:block;font:normal 23px/1.26 Georgia,serif;margin:12px 0}.topic span{font-size:12px;color:#6a7f8c}.citation{background:#fff;border:1px solid var(--rule);padding:25px;margin-top:42px}.citation b{display:block;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}.citation p{font-size:14px;color:var(--muted);margin:8px 0 0}.citation a{font-size:13px;color:#1c5779;text-decoration:underline;text-underline-offset:3px}.book-panel{background:#e9ece8;border:1px solid #d8dedc;padding:30px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px}.book-panel h2{font:normal 31px/1.2 Georgia,serif;margin:7px 0}.book-panel p{margin:0;color:var(--muted);font-size:14px}.foot{background:#10283a;color:#d4e0e7;padding:56px 0 35px;margin-top:45px}.footgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}.foot strong{color:white;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.foot p{font-size:12px;max-width:310px;line-height:1.8}.foot a{display:block;color:#c5d5dd;text-decoration:none;font-size:12px;margin:8px 0}.footbottom{border-top:1px solid #344c5d;margin-top:42px;padding-top:20px;color:#a7bbc7;font-size:11px;display:flex;justify-content:space-between;gap:20px}.breadcrumbs{font-size:12px;color:var(--muted);padding-top:18px}.breadcrumbs a{text-decoration:none;border-bottom:1px solid #afbac0}.reading-time{font-size:12px;color:#bccbd4;margin-top:12px}.faq-block{background:#f1f1ed;border-left:3px solid var(--accent);padding:18px 25px;margin:34px 0}.faq-block strong{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.faq-block p{font:italic 20px/1.5 Georgia,serif;margin:8px 0}.skip{position:absolute;left:-999px;top:0;background:#fff;color:#111;padding:6px;z-index:100}.skip:focus{left:0}.external{color:#1c5d83;text-underline-offset:3px}.statement{border-top:1px solid var(--rule);margin-top:42px;padding-top:22px;color:var(--muted);font-size:13px}
@media(max-width:1050px){.desktoplinks{display:none}.menu{display:block}.navwrap{justify-content:space-between}.columns{grid-template-columns:1fr 220px;gap:36px}}
@media(max-width:760px){.navwrap{gap:9px;min-height:72px}.identity strong{font-size:11px;letter-spacing:.08em}.identity span{font-size:9px;letter-spacing:.11em}.lang{gap:3px}.lang a{padding:3px 5px}.menu summary{font-size:11px;padding:5px 7px}.container{width:min(100% - 36px,1120px)}.hero .container{padding:66px 0 72px}.hero h1{font-size:clamp(42px,11vw,64px)}.hero .deck{font-size:16px}.section{padding:48px 0}.columns{display:flex;flex-direction:column}.toc{display:none}.cardgrid{grid-template-columns:1fr}.topic{min-height:126px}.book-panel{grid-template-columns:1fr}.footgrid{grid-template-columns:1fr 1fr;gap:18px}.footgrid>div:first-child{grid-column:span 2}.section-head{display:block}.section-head h2{font-size:31px}.footbottom{flex-direction:column}.query{font-size:24px}}

/* Author contact, edition 1.1 */
.contactline{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .8rem;border-top:1px solid var(--line, #d6dbe2);padding:1.1rem 0;margin-top:1.1rem;font-size:.93rem}
.contactline a{font-weight:700;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}
@media(max-width:640px){.contactline{display:block}.contactline a{display:block;margin-top:.45rem}}