.ab-book {
  --ab-night:#070b10;--ab-paper:#edf2f5;--ab-copper:#d6ab84;
  --ab-rule:rgba(237,242,245,.18);--ab-muted:rgba(237,242,245,.7);
  background:var(--ab-night);color:var(--ab-paper);font:18px/1.6 Arial,Helvetica,sans-serif;
  overflow:clip;
}
.ab-book *,.ab-book *::before,.ab-book *::after{box-sizing:border-box}
.ab-book img{display:block;max-width:100%;height:auto}
.ab-book .ab-mono{font-family:Arial,Helvetica,sans-serif;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.ab-book :is(h1,h2,h3){font-family:var(--fara-display,'Arial Narrow',Arial,sans-serif);font-weight:400;letter-spacing:.01em;color:inherit}
.ab-book :is(a,button,summary,select):focus-visible{outline:2px solid var(--ab-copper);outline-offset:5px}
.ab-book button,.ab-book a,.ab-book select{font:inherit}
.ab-book__hero{position:relative;display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.25fr);gap:clamp(48px,7vw,112px);align-items:center;width:min(1320px,calc(100% - 96px));margin:auto;padding:64px 0 92px}
.ab-book__physical{--ab-yaw:-4deg;--ab-pitch:1deg;--ab-light-x:25%;position:relative;width:min(100%,320px);justify-self:center;aspect-ratio:1000/1490;transform:perspective(1400px) rotateY(var(--ab-yaw)) rotateX(var(--ab-pitch));transform-style:preserve-3d;transition:transform .24s ease-out}
.ab-book__front,.ab-book__back,.ab-book__pages{position:absolute}
.ab-book__front{inset:0;z-index:3;overflow:hidden;box-shadow:0 20px 56px #0006;transform:translateZ(14px)}
.ab-book__front img{width:100%;height:100%;object-fit:cover}
.ab-book__front>span{position:absolute;inset:0;background:radial-gradient(circle at var(--ab-light-x) 10%,rgba(237,242,245,.1),transparent 36%)}
.ab-book__back{inset:4px -5px 4px 4px;background:var(--ab-night);transform:translateZ(-3px)}
.ab-book__pages{top:6px;right:-12px;bottom:6px;width:14px;background:var(--ab-paper);transform:rotateY(90deg) translateZ(6px)}
.ab-book__hero-copy{min-width:0}
.ab-book__kicker{margin:0 0 18px;color:var(--ab-copper);line-height:1.6}
.ab-book h1{margin:0;font-size:clamp(88px,12vw,168px);line-height:.88}
.ab-book__hero-line{margin:20px 0 0;font-size:clamp(22px,2.5vw,32px);line-height:1.25;letter-spacing:-.02em}
.ab-book__standfirst{max-width:51ch;margin:24px 0 0;color:var(--ab-muted);font-size:18px;line-height:1.75}
.ab-book__hero-actions,.ab-book__reading-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-top:28px}
.ab-book .ab-book__button{display:inline-flex;align-items:center;justify-content:space-between;min-height:50px;gap:24px;padding:16px 22px;border:1px solid var(--ab-copper);border-radius:0;background:var(--ab-copper);color:var(--ab-night);font:600 11px/1.45 Arial,Helvetica,sans-serif;letter-spacing:.08em;text-decoration:none;text-transform:uppercase;transition:opacity .18s ease}
.ab-book .ab-book__button:hover{opacity:.85}
.ab-book .ab-book__link,.ab-book .ab-book__offer-bundle{display:inline-flex;align-items:center;min-height:44px;gap:12px;padding:8px 0;color:var(--ab-paper);font-size:12px;text-decoration:underline;text-underline-offset:5px}
.ab-book .ab-book__link span,.ab-book .ab-book__offer-bundle span{color:var(--ab-copper)}
.ab-book__hero-copy>blockquote{max-width:34ch;margin:30px 0 0;padding-left:18px;border-left:1px solid var(--ab-copper);font:18px/1.6 Arial,Helvetica,sans-serif;color:var(--ab-muted)}
.ab-book__route{position:absolute;right:0;bottom:26px;left:0;display:flex;justify-content:center;align-items:center;gap:16px;padding-top:18px;border-top:1px solid var(--ab-rule);color:var(--ab-muted)}
.ab-book__route i{font-style:normal;color:var(--ab-copper)}
.ab-book__route strong{font-weight:400;color:var(--ab-paper)}
.ab-book__atlas{padding:72px max(32px,calc((100vw - 1320px)/2));border-block:1px solid var(--ab-rule);scroll-margin-top:32px}
.ab-book__atlas-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:48px;margin-bottom:48px}
.ab-book__atlas-head h2{max-width:19ch;margin:0;font-size:clamp(44px,5vw,72px);line-height:1.02}
.ab-book__atlas-head h2 em,.ab-book__colophon-head h2 em{font-style:normal;color:var(--ab-copper)}
.ab-book__atlas-invitation>p{max-width:51ch;margin:0;color:var(--ab-muted);font-size:16px;line-height:1.75}
.ab-book .ab-book__random{display:inline-flex;align-items:center;min-height:44px;gap:12px;padding:8px 0;border:0;border-bottom:1px solid var(--ab-copper);background:transparent;color:var(--ab-paper);font:600 11px/1.5 Arial,Helvetica,sans-serif;letter-spacing:.07em;text-align:left;cursor:pointer}
.ab-book__atlas-invitation>.ab-book__sample-note{margin-top:20px;font-size:12px}
.ab-book__parts{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.ab-part{min-width:0;border-top:1px solid var(--ab-rule)}
.ab-part>header{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:24px 0;border-bottom:1px solid var(--ab-rule)}
.ab-part>header p{margin:0;color:var(--ab-copper)}
.ab-part>header h3{margin:0;font-size:32px;line-height:1.1}
.ab-part ol{list-style:none;margin:0;padding:0}
.ab-part li{border-bottom:1px solid var(--ab-rule)}
.ab-chapter{scroll-margin-top:24px}
.ab-chapter>summary{display:grid;grid-template-columns:28px minmax(0,1fr) 20px;align-items:start;gap:14px;min-height:108px;padding:24px 0;list-style:none;cursor:pointer}
.ab-chapter>summary::-webkit-details-marker{display:none}
.ab-chapter>summary::marker{content:''}
.ab-chapter>summary:hover .ab-chapter__title,.ab-chapter[open]>summary .ab-chapter__title{color:var(--ab-copper)}
.ab-chapter__number{padding-top:5px;color:var(--ab-copper)}
.ab-chapter__heading{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px}
.ab-chapter__title{font:400 27px/1.12 var(--fara-display,'Arial Narrow',Arial,sans-serif);letter-spacing:.02em;transition:color .18s ease}
.ab-book .ab-chapter__badge{color:var(--ab-copper);font-size:10px;line-height:1.5}
.ab-chapter__question{display:block;margin-top:8px;color:var(--ab-muted);font:14px/1.6 Arial,Helvetica,sans-serif}
.ab-chapter__arrow{color:var(--ab-copper);font-size:20px;line-height:1.2}
.ab-chapter__inline{max-width:66ch;margin:auto;padding:0 0 32px 42px}
.ab-part__blueprint{margin:32px 0 0;aspect-ratio:16/10;overflow:hidden}
.ab-part__blueprint img{width:100%;height:100%;object-fit:cover}
.ab-book__atlas-offer{padding-top:32px}
.ab-book__atlas-offer>.ab-mono,.ab-reading__offer>.ab-mono{margin:0 0 16px;color:var(--ab-copper)}
.ab-book__atlas-offer h3,.ab-reading__offer h3{max-width:24ch;margin:0;font-size:38px;line-height:1.1}
.ab-book__atlas-offer>p:not(.ab-mono),.ab-reading__offer>p:not(.ab-mono){max-width:52ch;color:var(--ab-muted);font:16px/1.75 Arial,Helvetica,sans-serif}
.ab-book .ab-book__offer-bundle{display:flex;width:fit-content;margin-top:12px}
.ab-book__colophon{width:min(1320px,calc(100% - 96px));margin:auto;padding:72px 0 80px}
.ab-book__colophon-head h2{margin:0;font-size:clamp(44px,5vw,72px);line-height:1.02}
.ab-book__colophon-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:40px;padding:32px 0;border-block:1px solid var(--ab-rule)}
.ab-book__colophon-facts{margin:0}
.ab-book__colophon-facts div{display:grid;grid-template-columns:1fr 1.5fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--ab-rule);font-size:11px;line-height:1.6}
.ab-book__colophon-facts div:last-child{border:0}
.ab-book__colophon-facts dt{color:var(--ab-muted)}
.ab-book__colophon-facts dd{margin:0;text-align:right}
.ab-book__colophon-epilogue{align-self:center}
.ab-book__colophon-epilogue p{margin:0;color:var(--ab-copper)}
.ab-book__colophon-epilogue blockquote{max-width:38ch;margin:20px 0;font:22px/1.6 Arial,Helvetica,sans-serif}
.ab-book__colophon-mark{margin:32px 0 20px;color:var(--ab-copper);text-align:center}
.ab-book .ab-book__colophon-buy{display:flex;width:fit-content;margin:auto}
.ab-book__colophon-routes{display:flex;justify-content:center;flex-wrap:wrap;gap:16px 36px;margin-top:24px}
html:has(.ab-reader[open]){overflow:hidden}
.ab-book .ab-reader{position:fixed;inset:0;width:min(1100px,calc(100vw - 48px));max-width:none;height:calc(100dvh - 48px);max-height:1100px;margin:auto;padding:0;overflow:hidden;border:1px solid var(--ab-rule);background:var(--ab-night);color:var(--ab-paper);box-shadow:0 24px 80px #0008}
.ab-reader::backdrop{background:rgba(7,11,16,.88)}
.ab-reader[open]{animation:ab-book-reader-enter .18s ease-out}
.ab-reader__panel{display:grid;height:100%;grid-template-rows:auto auto minmax(0,1fr) auto}
.ab-reader__toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px;border-bottom:1px solid var(--ab-rule)}
.ab-reader__toolbar>p{margin:0;font-size:11px;line-height:1.6}
.ab-reader__toolbar>p span{margin:0 8px;color:var(--ab-copper)}
.ab-reader__chapter-select{flex:1;max-width:28ch}
.ab-book .ab-reader__chapter-select select{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--ab-rule);border-radius:0;background:var(--ab-night);color:var(--ab-paper);font:13px/1.5 Arial,Helvetica,sans-serif}
.ab-book .ab-reader__toolbar button,.ab-book .ab-reader__navigation button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;gap:10px;padding:8px 0;border:0;background:transparent;color:var(--ab-paper);font:12px/1.5 Arial,Helvetica,sans-serif;cursor:pointer}
.ab-reader__toolbar button span{font-size:26px}
.ab-reader__progress-row{display:flex;align-items:center;gap:16px;min-height:32px;padding:8px 28px;border-bottom:1px solid var(--ab-rule)}
.ab-reader__progress{display:block;flex:1;width:100%;height:2px;border:0;border-radius:0;background:var(--ab-rule);color:var(--ab-copper);accent-color:var(--ab-copper);appearance:none}
.ab-reader__progress::-webkit-progress-bar{background:var(--ab-rule)}
.ab-reader__progress::-webkit-progress-value{background:var(--ab-copper)}
.ab-reader__progress::-moz-progress-bar{background:var(--ab-copper)}
.ab-reader__progress-row output{min-width:7ch;color:var(--ab-muted);font:11px/1.5 Arial,Helvetica,sans-serif;text-align:right}
.ab-reader__scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.ab-reader__body{width:min(66ch,calc(100% - 96px));margin:auto;padding:56px 0 64px}
.ab-book .ab-reader__number{margin:0 0 18px;color:var(--ab-copper);font-size:11px;line-height:1.6}
.ab-reader__body h2{max-width:24ch;margin:0 0 32px;font-size:clamp(40px,5vw,64px);line-height:1.06}
.ab-reader__body h2:focus{outline:none}
.ab-reading__meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin:0 0 32px;padding-bottom:18px;border-bottom:1px solid var(--ab-rule);color:var(--ab-copper);font-size:11px;line-height:1.6}
.ab-reader .ab-reading__meta [data-ab-number-label]{display:none}
.ab-book .ab-reading__text{max-width:66ch;color:var(--ab-paper);font:18px/1.8 Arial,Helvetica,sans-serif;letter-spacing:0;overflow-wrap:break-word}
.ab-book .ab-reading__text p{margin:0 0 1.35em;color:inherit}
.ab-reading__text hr{width:48px;margin:40px auto;border:0;border-top:1px solid var(--ab-copper)}
.ab-reading__attribution{margin:32px 0 0;padding-top:18px;border-top:1px solid var(--ab-rule);color:var(--ab-muted);font:12px/1.65 Arial,Helvetica,sans-serif}
.ab-reading__attribution span{display:block}
.ab-reading__offer{margin-top:40px;padding-top:32px;border-top:1px solid var(--ab-rule)}
.ab-reader__navigation{padding:8px 28px 14px;border-top:1px solid var(--ab-rule)}
.ab-reader__chapter-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px}
.ab-reader__chapter-navigation>span{font:11px/1.5 Arial,Helvetica,sans-serif;text-align:center;color:var(--ab-muted)}
.ab-book .ab-reader__navigation button:disabled{opacity:.35;cursor:default}
.ab-reader__edition{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;padding-top:8px;border-top:1px solid var(--ab-rule);font:11px/1.5 Arial,Helvetica,sans-serif;letter-spacing:0;text-transform:none}
.ab-reader__edition p{flex-basis:100%;margin:0;color:var(--ab-muted)}
.ab-book .ab-reader__edition a{display:inline-flex;align-items:center;gap:8px;min-height:36px;color:var(--ab-copper);text-decoration:underline;text-underline-offset:4px}
@keyframes ab-book-reader-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1000px){.ab-book__hero{width:calc(100% - 64px);gap:40px;grid-template-columns:minmax(200px,.7fr) minmax(0,1.3fr)}.ab-book__parts{grid-template-columns:1fr;gap:48px}.ab-book__atlas-head{gap:32px}.ab-book__colophon{width:calc(100% - 64px)}.ab-book__colophon-grid{gap:40px}}
@media(max-width:700px){
 .ab-book{font-size:16px}.ab-book__hero{display:block;width:calc(100% - 40px);padding:40px 0 84px}.ab-book__physical{width:min(58vw,260px);margin:0 auto 40px}.ab-book h1{font-size:clamp(82px,26vw,128px)}.ab-book__hero-line{font-size:24px}.ab-book__standfirst{font-size:16px;line-height:1.8;margin-top:20px}.ab-book__hero-actions{gap:12px 20px}.ab-book__route{justify-content:flex-start;gap:12px;overflow:auto;white-space:nowrap;font-size:9px}.ab-book__atlas{padding:48px 20px}.ab-book__atlas-head{grid-template-columns:1fr;gap:28px;margin-bottom:32px}.ab-book__reading-actions{align-items:stretch;gap:12px}.ab-book__reading-actions>*{width:100%}.ab-book__atlas-head h2{font-size:48px}.ab-part>header{display:block}.ab-part>header h3{margin-top:8px}.ab-chapter>summary{grid-template-columns:24px minmax(0,1fr) 16px;gap:10px;min-height:104px}.ab-chapter__title{font-size:26px}.ab-chapter__inline{padding-left:0}.ab-book .ab-reading__text{font-size:16px;line-height:1.8}.ab-book__colophon{width:calc(100% - 40px);padding-block:48px}.ab-book__colophon-grid{grid-template-columns:1fr;gap:32px}.ab-book__colophon-epilogue blockquote{font-size:20px}.ab-book__colophon-routes{align-items:flex-start;flex-direction:column;gap:4px}.ab-book .ab-reader{width:100vw;height:100dvh;max-height:none;margin:0;border:0}.ab-reader__toolbar{flex-wrap:wrap;gap:8px 16px;padding:8px 20px}.ab-reader__toolbar>p{flex:1}.ab-reader__chapter-select{flex-basis:100%;max-width:none;order:3}.ab-reader__progress-row{padding-inline:20px}.ab-reader__body{width:calc(100% - 40px);padding:32px 0 40px}.ab-reader__body h2{font-size:40px}.ab-reader__navigation{padding:6px 20px max(12px,env(safe-area-inset-bottom))}.ab-reader__edition{gap:4px 16px}.ab-reader__edition p{font-size:10px}.ab-book .ab-reader__edition a{min-height:40px}.ab-book .ab-reader__navigation button{font-size:11px}.ab-reader__chapter-navigation>span{font-size:10px}.ab-book .ab-book__button{padding-inline:18px;gap:18px}
}
@media(prefers-reduced-motion:reduce){.ab-book *,.ab-book *::before,.ab-book *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.ab-book__physical{transform:none}}