@font-face{font-family:Inter;src:url('assets/sans.woff2?v=2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
@font-face{font-family:Newsreader;src:url('assets/serif.woff2?v=2') format('woff2');font-style:normal;font-weight:200 800;font-display:swap}
@font-face{font-family:Newsreader;src:url('assets/serif-italic.woff2?v=2') format('woff2');font-style:italic;font-weight:200 800;font-display:swap}
:root{--paper:#f4f1e8;--ink:#262e29;--muted:#626960;--line:#d2d3c6;--accent:#b9482c;--wash:#e8e9dd;--dark:#26332e;--max:1280px;--gutter:clamp(22px,5vw,80px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}button,a,input{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button{border:0}h1,h2,h3,p,figure{margin:0}h1,h2{font-family:Newsreader,Georgia,serif;font-weight:400;letter-spacing:-.045em;line-height:.99}h3{font-weight:500}em{font-weight:400}::selection{background:#e4baa5;color:#17211a}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-90px;left:20px;padding:10px 20px;background:var(--ink);color:white;z-index:100}.skip-link:focus{top:10px}
.header{height:85px;display:flex;justify-content:space-between;align-items:center;padding:0 var(--gutter);border-bottom:1px solid var(--line);max-width:1600px;margin:auto}.wordmark{display:inline-flex;gap:9px;align-items:center;font-size:14px;letter-spacing:.1em;font-weight:650;text-decoration:none}.brand-symbol{font-size:30px;color:var(--accent);line-height:1}.edition{font-size:11px;color:var(--muted);letter-spacing:0;font-weight:400;margin-left:8px}.header nav{display:flex;gap:34px;font-size:12px}.header nav a{text-decoration:none}.header nav a:hover{color:var(--accent)}.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:50;pointer-events:none}.reading-progress span{display:block;height:100%;background:var(--accent);width:0}
.hero{max-width:1600px;margin:auto}.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;padding:30px var(--gutter) 20px;min-height:min(720px,calc(100svh - 160px));overflow:hidden}.hero-copy{z-index:1;padding:30px 0}.eyebrow{font-size:10px;font-weight:550;letter-spacing:.17em;line-height:1.4}.hero .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:35px}.signal{height:6px;width:6px;background:var(--accent);border-radius:50%}h1{font-size:clamp(68px,7.4vw,116px)}h1 em{color:var(--accent)}.hero-deck{max-width:360px;color:var(--muted);font-size:15px;line-height:1.7;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:45px;padding:13px 20px;font-size:12px;font-weight:500;text-decoration:none;border:1px solid transparent;transition:background .2s,transform .2s}.button span{font-size:20px;line-height:1}.button:hover{transform:translateY(-2px)}.primary{background:var(--accent);color:#fffaf1}.primary:hover{background:#98391f}.hero-meta{font-size:10px;margin-top:18px;color:var(--muted)}.hero-meta span:first-child{padding:0 6px}.hero-figure{align-self:stretch;display:flex;flex-direction:column;justify-content:center;margin-right:-4vw;margin-left:-2vw;position:relative}.hero-figure img{width:100%;height:auto;max-height:550px;object-fit:contain}.hero-figure figcaption{display:flex;align-items:center;justify-content:center;gap:16px;font-size:10px;color:var(--muted);padding-top:4px}.figure-number{font-size:9px;letter-spacing:.1em;color:var(--accent)}.tiny-line{width:45px;border-top:1px solid var(--accent)}.hero-bottom{border-top:1px solid var(--line);padding:17px var(--gutter);display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted)}.hero-bottom a{text-decoration:none}.down-link{font-size:20px;color:var(--accent)!important}.hero-copy>*{animation:rise-in .8s both}.hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}.hero-figure{animation:fade-in 1.4s both}
.chapter-nav{display:flex;justify-content:space-between;gap:15px;max-width:1600px;margin:auto;padding:19px var(--gutter);position:sticky;top:0;background:rgba(244,241,232,.96);backdrop-filter:blur(12px);z-index:20;border-bottom:1px solid var(--line);border-top:1px solid var(--line);font-size:11px}.chapter-nav a{white-space:nowrap;text-decoration:none;transition:color .2s}.chapter-nav a span{font-size:9px;color:var(--muted);margin-right:8px}.chapter-nav a.active,.chapter-nav a:hover{color:var(--accent)}.chapter-nav a.active span{color:var(--accent)}.section{padding:100px var(--gutter);max-width:1600px;margin:auto;scroll-margin-top:20px}.section-heading{margin-bottom:46px}.section-heading .eyebrow{color:var(--accent);margin-bottom:24px}h2{font-size:clamp(42px,4.6vw,66px)}.section-deck{max-width:475px;color:var(--muted);font-size:14px;line-height:1.75;margin-top:24px}.small-title{font-size:9px;letter-spacing:.13em;font-weight:550;line-height:1.5}.source-link{font-size:10px;white-space:nowrap;color:var(--accent);text-decoration:none}.source-link:hover{text-decoration:underline}.text-button{background:transparent;padding:8px 0;font-size:11px;display:inline-flex;gap:16px;align-items:center;text-align:left;transition:color .2s}.text-button:hover{color:var(--accent)}.text-button span{font-size:15px}.muted{color:var(--muted)}
.model-layout{display:grid;grid-template-columns:1fr 280px;gap:48px}.model-stage{background:var(--wash);padding:26px 30px 20px;min-width:0}.figure-top{display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:.1em;gap:10px}.live-label{display:flex;align-items:center;gap:6px}.live-label i{width:5px;height:5px;background:var(--ink);border-radius:50%}.model-stage.failed .live-label{color:var(--accent)}.model-stage.failed .live-label i{background:var(--accent)}.defense-diagram{display:flex;align-items:center;gap:15px;height:240px;font-size:10px;line-height:1.4}.event-label{color:var(--accent)}.outcome-label{min-width:42px}.defense-track{flex:1;position:relative;display:flex;justify-content:space-around;height:145px;align-items:center}.flow-line{position:absolute;left:0;right:0;top:50%;height:2px;background:var(--accent);opacity:.3}.gate{position:relative;width:8px;height:125px;z-index:2}.gate>span{position:absolute;top:-26px;left:-3px;font-size:8px;color:var(--muted)}.gate i{display:block;width:8px;height:100%;background:var(--ink);transition:opacity .3s,clip-path .3s;clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}.gate.open i{opacity:.24;clip-path:polygon(0 0,100% 0,100% 37%,0 37%,0 63%,100% 63%,100% 100%,0 100%)}.gate small{position:absolute;bottom:-24px;left:50%;transform:translateX(-50%);font-size:9px;font-weight:400}.gate.catches:after{content:'×';position:absolute;top:44px;left:-9px;font-size:26px;background:var(--wash);color:var(--accent);height:34px;line-height:34px}.flow-particle{position:absolute;left:0;top:calc(50% - 4px);height:8px;width:8px;border-radius:50%;background:var(--accent);animation:travel 3.2s infinite;--stop:12.5%}.model-result{display:flex;gap:20px;border-top:1px solid #c5c8bb;padding-top:20px;min-height:115px}.result-icon{font-size:26px;color:var(--accent);line-height:1.4}.model-result h3{font-size:15px;margin-bottom:5px}.model-result p{font-size:12px;line-height:1.6;color:var(--muted);max-width:490px}.model-caveat{font-size:9px;color:var(--muted);max-width:560px;line-height:1.6}.defense-controls{padding-top:8px}.defense-controls>.small-title{margin-bottom:12px}.defense-toggle{width:100%;padding:16px 0;background:transparent;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left}.defense-toggle strong{display:block;font-size:12px;font-weight:500}.defense-toggle small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.switch{width:31px;height:18px;border-radius:12px;flex-shrink:0;background:var(--ink);position:relative;transition:background .2s}.switch:after{content:'';position:absolute;top:3px;left:16px;background:var(--paper);width:12px;height:12px;border-radius:50%;transition:left .2s}.defense-toggle[aria-pressed=false] .switch{background:#a8aca2}.defense-toggle[aria-pressed=false] .switch:after{left:3px}.defense-controls>.text-button{display:flex;margin-top:16px}.defense-controls>.text-button:last-child{margin-top:0}.margin-note{display:flex;gap:18px;max-width:820px;padding-top:36px;font-size:13px}.note-mark{font-size:26px;line-height:1.3;color:var(--accent)}.margin-note strong{display:block;font-weight:550;margin-bottom:4px}.margin-note .source-summary{color:var(--muted);margin-right:12px}
.incident-section{background:#eeece3;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.incident-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.incident-timeline{border-left:1px solid #bdc2b5;margin:0 0 0 5px;padding-left:27px}.incident-timeline>div{position:relative;padding-bottom:26px;max-width:460px}.incident-timeline>div:before{content:'';position:absolute;left:-32px;top:6px;width:9px;height:9px;border-radius:50%;background:#a8afa2;border:2px solid #eeece3}.incident-timeline time{font-size:9px;color:var(--muted);letter-spacing:.05em}.incident-timeline p{font-size:13px;line-height:1.65;margin-top:5px}.incident-timeline .incident-moment{padding-bottom:0;color:var(--accent)}.incident-timeline .incident-moment:before{background:var(--accent)}.incident-timeline .incident-moment time{color:var(--accent)}.incident-lens{padding-top:3px;min-width:0}.lens-tabs{display:flex;border-bottom:1px solid #bfc4b6;gap:18px}.lens-tabs button{background:transparent;padding:0 0 12px;font-size:11px;white-space:nowrap;position:relative}.lens-tabs button[aria-selected=true]{color:var(--accent)}.lens-tabs button[aria-selected=true]:after{content:'';height:2px;background:var(--accent);bottom:-1px;left:0;right:0;position:absolute}#lens-content{padding-top:30px;min-height:280px}#lens-content .lens-number{font-family:Newsreader,Georgia,serif;font-size:60px;line-height:1;color:var(--accent);display:block;margin-bottom:20px}#lens-content h3{font-size:21px;font-family:Newsreader,Georgia,serif;line-height:1.2;margin-bottom:18px}#lens-content p{font-size:13px;line-height:1.8;max-width:420px}#lens-content .lens-question{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.example-label{font-size:8px;letter-spacing:.07em;color:var(--muted);margin-top:30px}
.principles-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px}.principles-heading .section-deck{max-width:390px}.principle-toolbar{display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--ink);padding-bottom:18px}.filter-buttons{display:flex;gap:8px;flex-wrap:wrap}.filter-buttons button{background:transparent;padding:7px 11px;font-size:10px;border:1px solid transparent}.filter-buttons button span{font-size:8px;color:var(--muted);margin-left:4px}.filter-buttons .active{border-color:var(--ink)}.filter-buttons button:hover{background:var(--wash)}.principle{border-bottom:1px solid var(--line)}.principle summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:45px 1fr 25px;gap:15px;align-items:center;padding:21px 0;min-height:73px}.principle summary::-webkit-details-marker{display:none}.principle summary:hover .principle-title{color:var(--accent)}.principle-num{font-size:10px;color:var(--muted);align-self:center}.principle-title{font-family:Newsreader,Georgia,serif;font-size:25px;letter-spacing:-.02em;line-height:1.2;transition:color .2s}.principle-plus{font-size:20px;font-weight:300;text-align:center;color:var(--muted);transition:transform .25s}.principle[open] .principle-plus{transform:rotate(45deg);color:var(--accent)}.principle[open] .principle-title{color:var(--accent)}.principle-body{padding:0 45px 27px 60px;display:grid;grid-template-columns:1fr 1.4fr;gap:55px;animation:rise-in .25s}.principle-body p{font-size:12px;line-height:1.8}.principle-summary{font-size:15px!important;margin-bottom:10px}.principle-example .small-title{font-size:8px;margin-bottom:8px;color:var(--muted)}.principle-example .ask{border-left:2px solid var(--accent);padding-left:12px;margin-top:14px;color:var(--muted);font-size:11px}.editorial-note{font-size:10px;color:var(--muted);margin-top:24px}
.hindsight-section{background:var(--dark);color:var(--paper);display:grid;grid-template-columns:.9fr 1.1fr;gap:100px;padding-top:100px;padding-bottom:100px}.hindsight-section .eyebrow{color:#d2b49b;margin-bottom:28px}.hindsight-section h2{font-size:clamp(48px,5.4vw,78px)}.hindsight-section h2 em{color:#dfa58d}.hindsight-section .section-deck{color:#bdc4b9;max-width:320px}.hindsight-section .source-link{display:inline-block;color:#dfa58d;margin-top:23px}.decision-exercise{padding-top:4px;min-width:0}.known-facts{padding:0;list-style:none;margin:24px 0 30px}.known-facts li{font-size:12px;border-bottom:1px solid #4a574e;padding:12px 0 12px 18px;position:relative}.known-facts li:before{content:'+';position:absolute;left:0;color:#dfa58d}.decision-prompt{font-size:15px;margin-bottom:15px}.decision-options{display:flex;gap:8px;flex-wrap:wrap}.decision-options button,.outcome-buttons button{background:transparent;border:1px solid #647367;font-size:11px;padding:11px 13px;color:var(--paper);transition:background .2s}.decision-options button:hover,.decision-options button.selected{background:var(--paper);color:var(--ink);border-color:var(--paper)}.decision-options button:disabled{opacity:.65}.decision-options button.selected:disabled{opacity:1}#decision-feedback,#outcome-feedback{font-size:12px;line-height:1.8;color:#d0d5ca;margin-top:20px;animation:rise-in .3s}#outcome-controls{margin-top:25px}#outcome-controls .small-title{color:#bdc4b9;margin-bottom:12px}.outcome-buttons{display:flex;gap:8px;flex-wrap:wrap}.outcome-buttons button:hover,.outcome-buttons button.selected{background:#46554b;border-color:#b2c0b2}#outcome-feedback{border-left:2px solid #dfa58d;padding-left:16px}#outcome-feedback strong{color:var(--paper);display:block;margin-bottom:7px}.hindsight-section .example-label{color:#a9b3a7}.hindsight-section .text-button{color:#dfa58d;margin-top:20px}
.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:95px}.discussion h3{font-family:Newsreader,Georgia,serif;font-size:28px}.discussion ol{padding:0;list-style:none;margin:25px 0}.discussion li{display:flex;gap:20px;border-bottom:1px solid var(--line);padding:17px 0;font-size:13px}.discussion li>span{font-size:9px;color:var(--accent);padding-top:3px}.secondary{border-color:var(--ink);background:transparent;gap:25px}.secondary:hover{background:var(--wash)}.copy-status{font-size:10px;display:block;min-height:20px;margin-top:7px;color:var(--muted)}.quiz{background:var(--wash);padding:30px;align-self:start}.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.quiz-top>span:last-child{font-size:10px;color:var(--muted)}.quiz h3{font-family:Newsreader,Georgia,serif;font-size:26px;line-height:1.2;margin:25px 0}.quiz-option{display:flex;align-items:baseline;gap:12px;background:transparent;padding:13px 0;text-align:left;border-bottom:1px solid #c3c9ba;width:100%;font-size:12px;line-height:1.6}.quiz-option span{font-size:9px;color:var(--muted)}.quiz-option:hover{color:var(--accent)}.quiz-option.selected{font-weight:600}.quiz-option.correct:after{content:'✓';margin-left:auto}.quiz-option.incorrect:after{content:'×';margin-left:auto;color:var(--accent)}#quiz-feedback{margin-top:20px;font-size:12px;line-height:1.75;animation:rise-in .25s}#quiz-feedback strong{font-weight:550;display:block;margin-bottom:6px}#quiz-next,#quiz-restart{margin-top:15px;color:var(--accent)}.glossary{margin-top:60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.glossary summary{padding:20px 0;list-style:none;display:flex;justify-content:space-between;cursor:pointer;font-size:13px}.glossary summary::-webkit-details-marker{display:none}.glossary summary span{font-size:20px;line-height:1}.glossary[open] summary span{transform:rotate(45deg)}.glossary dl{display:grid;grid-template-columns:repeat(3,1fr);gap:25px 40px;margin:10px 0 30px}.glossary dt{font-size:13px;font-weight:550}.glossary dd{font-size:12px;color:var(--muted);margin:6px 0 0;max-width:280px}.closing{text-align:center;border-top:1px solid var(--line);padding:80px var(--gutter) 90px}.closing .eyebrow{color:var(--accent);margin-bottom:25px}.closing h2{font-size:clamp(55px,6vw,84px)}.closing>p:not(.eyebrow){font-size:13px;color:var(--muted);margin:20px 0 25px}footer{max-width:1600px;margin:auto;border-top:1px solid var(--line);padding:35px var(--gutter);display:grid;grid-template-columns:1fr 1.4fr auto;gap:40px;font-size:9px;color:var(--muted)}footer .wordmark{font-size:11px;color:var(--ink)}footer .brand-symbol{font-size:24px}footer .edition{font-size:9px;margin-left:0}footer>div>p{margin-top:10px}.source-note p{margin:0 0 9px}.source-note a{color:var(--ink);text-decoration:none}.back-top{white-space:nowrap;text-decoration:none}
@keyframes rise-in{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{from{opacity:0}to{opacity:1}}@keyframes travel{0%{left:0;opacity:0}10%{opacity:1}75%{left:var(--stop);opacity:1}100%{left:var(--stop);opacity:0}}
@media(min-width:1600px){.hero-inner{min-height:700px}}
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