:root{--paper:#f7f7f4;--ink:#181918;--blue:#3046ed;--muted:#666760;--line:#d7d8d1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,summary,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ea9433;outline-offset:5px}.progress{position:fixed;top:0;height:3px;background:var(--blue);width:0;z-index:20}header{height:86px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(247,247,244,.95);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.brand{font-size:26px;font-weight:900;letter-spacing:-1.4px}.brand span{font-size:22px;font-weight:400;color:#85857f;margin:0 9px}.brand i{font-family:Georgia,serif;font-weight:400}.header-note,.hero-meta,.section-label{font-size:12px;letter-spacing:1.5px;font-weight:600}.nav-link{font-size:14px;border-bottom:1px solid;padding-bottom:6px}section{padding:110px 7%;display:grid;grid-template-columns:22% 78%;border-bottom:1px solid var(--line)}.section-label{display:flex;gap:20px;align-items:flex-start;line-height:1.8;padding-right:30px}.section-label>span{opacity:.5}.section-body{max-width:1050px}h1,h2,h3,p{margin:0}h2{font-weight:500;letter-spacing:-2.3px;font-size:clamp(34px,4.2vw,65px);line-height:1.06;max-width:930px}p{font-size:19px;line-height:1.65;max-width:710px;margin-top:28px;color:var(--muted)}h3{font-size:23px;font-weight:500}button{background:none;color:inherit;border:0}.hero{display:block;padding:34px 7% 0;min-height:calc(100svh - 86px)}.hero-meta{display:flex;justify-content:space-between;color:var(--muted)}h1{font-size:clamp(64px,8.9vw,142px);font-weight:500;line-height:.98;letter-spacing:-.065em;margin:65px 0 42px}h1 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--blue);letter-spacing:-.06em}.hero-bottom{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:end}.hero-bottom p{font-size:18px;max-width:490px;margin:0}.read-link{font-size:14px;display:flex;gap:65px;align-items:center}.read-link span{height:44px;width:44px;border:1px solid #aaa;border-radius:50%;display:grid;place-items:center;font-size:22px}.hero-foot{display:flex;align-items:center;gap:25px;font-size:12px;letter-spacing:1.2px;margin-top:65px;padding:25px 0;border-top:1px solid var(--line)}.dotted-line{flex:1;border-top:1px dashed #aaa}.blue-text{color:var(--blue)}.blue{background:var(--blue);color:#fff;--line:#6877ff;--muted:#dbe0ff}.blue p{color:var(--muted)}.thesis-steps{display:flex;gap:40px;margin-top:75px;font-size:clamp(21px,3vw,40px);letter-spacing:-1px}.thesis-steps span{border-top:1px solid #8592ff;padding-top:20px;flex:1}.proofs{margin-top:55px}details{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:26px;padding:24px 0;font-size:25px;letter-spacing:-.6px}summary::-webkit-details-marker{display:none}summary>span{font-size:13px;color:var(--muted);letter-spacing:0}summary b{font-size:25px;margin-left:auto;font-weight:400;transition:transform .2s}details[open] summary b{transform:rotate(45deg)}details>div,details>p,details>.tags,details>h3{margin-bottom:28px}details p{margin-top:0}small,.caption{font-size:14px;line-height:1.6;color:var(--muted)}small{display:block;margin-top:15px;color:var(--blue)}.caption{margin-top:24px}.layers{margin-top:55px}.layers>div{display:grid;grid-template-columns:40px 1fr 1fr;gap:20px;align-items:center;padding:24px 0;border-top:1px solid var(--line)}.layers span{font-size:13px;color:var(--muted)}.layers p{font-size:16px;margin:0}.light{background:#eeefea}.tags{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0}.tags span{font-size:15px;border:1px solid var(--line);padding:10px 15px;border-radius:2px;line-height:1.4}.aside{margin-top:40px}.aside summary{font-size:18px}.dark{background:#181b1c;color:#f7f7f4;--line:#454849;--muted:#b7b9b9}.channel-tabs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:60px;border-bottom:1px solid var(--line)}.channel-tabs button{text-align:left;position:relative;font-size:23px;padding:25px 15px 30px 0;border-bottom:3px solid transparent}.channel-tabs button span{display:block;font-size:12px;letter-spacing:1.4px;margin-bottom:18px;color:var(--muted)}.channel-tabs button b{display:block;margin-top:25px;font-weight:400}.channel-tabs button[aria-selected=true]{border-color:#7e8dff;color:#a5afff}.channel-panel{padding:45px 0;min-height:335px}.channel-panel h3{font-size:35px;letter-spacing:-1px}.channel-panel p{margin-top:15px}.channel-panel .tags{margin-bottom:15px}.flow{display:flex;flex-wrap:wrap;gap:16px;border-top:1px solid var(--line);padding-top:28px;font-size:14px;align-items:center}.flow b{color:#818bff}.loop{flex-basis:100%;color:#aaa;margin-top:12px}.creator-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:45px}.creator-tabs button,.toggle button{padding:12px 18px;font-size:15px;border:1px solid var(--line);border-radius:50px}.creator-tabs [aria-selected=true],.toggle [aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}#creator-panel{min-height:230px;padding:38px 0;border-bottom:1px solid var(--line)}#creator-panel h3{font-family:Georgia,serif;font-size:clamp(28px,3.3vw,45px);font-weight:400;line-height:1.2;max-width:750px}#creator-panel p{color:var(--blue);font-size:15px}.plan-heading{display:flex;flex-wrap:wrap;gap:35px;align-items:flex-end;justify-content:space-between}.toggle{display:flex;gap:8px}.plan-intro{margin-bottom:40px}.timeline{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.timeline article{border-top:1px solid #bfc1ba;padding:25px 0}.period{font-size:42px;color:var(--blue);letter-spacing:-2px;margin-bottom:24px}.period small{display:inline;font-size:12px;letter-spacing:1px;margin-left:10px}.timeline article p{font-size:16px;margin-top:15px}.timeline ul{font-size:14px;line-height:1.9;color:var(--muted);padding-left:18px}.timeline.three{grid-template-columns:repeat(3,1fr)}.timeline.three h3{font-size:20px}blockquote{margin:65px 0 0;padding-left:25px;border-left:3px solid var(--blue);font-family:Georgia,serif;font-size:32px;line-height:1.25;max-width:650px}.large-details{margin-top:50px}.large-details summary{font-size:25px;padding:30px 0}.large-details details>h2{font-size:32px;letter-spacing:-1px;margin:15px 0}.large-details h3{margin-top:25px}.budget-number{font-size:48px;letter-spacing:-2px;color:var(--blue);margin-top:20px}.budget-number span{font-size:20px;letter-spacing:0}.closing-lines{margin-top:65px;font-size:clamp(22px,3.2vw,45px);letter-spacing:-1px}.closing-lines>div{padding:22px 0;border-top:1px solid #7887ff;display:flex;gap:25px;align-items:baseline}.closing-lines span{font-size:13px;letter-spacing:0;opacity:.6}footer{padding:40px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px}footer>span,footer>a:last-child{font-size:13px;color:var(--muted)}.section-body{transition:opacity .7s,transform .7s}.js-motion .section-body.waiting{opacity:0;transform:translateY(24px)}@media(min-width:1600px){section{padding-left:max(7%,calc((100vw - 1500px)/2));padding-right:max(7%,calc((100vw - 1500px)/2))}}@media(max-width:800px){header{height:70px}.header-note{display:none}.brand{font-size:22px}.nav-link{font-size:12px}section{padding:65px 6%;grid-template-columns:1fr;gap:28px}.section-label{font-size:11px}h2{letter-spacing:-1.4px}p{font-size:17px}.hero{padding:27px 6% 0;min-height:auto}.hero-meta{font-size:10px;gap:20px;line-height:1.6}.hero-meta span:last-child{text-align:right}h1{font-size:clamp(53px,10.5vw,90px);margin-top:65px;margin-bottom:40px;line-height:1.04}.hero-bottom{grid-template-columns:1fr;gap:28px}.hero-bottom p{font-size:16px;grid-row:1}.read-link{justify-content:space-between}.hero-foot{gap:10px;font-size:9px;letter-spacing:.3px;margin-top:40px}.thesis-steps{gap:16px;margin-top:45px}.layers>div{grid-template-columns:25px 1fr;gap:12px}.layers p{grid-column:2}.channel-tabs button{font-size:17px}.channel-tabs button span{font-size:10px;letter-spacing:.5px}.channel-panel{min-height:375px}.channel-panel h3{font-size:29px}.timeline.three{grid-template-columns:1fr}.timeline{gap:20px}.timeline article h3{font-size:22px}.timeline article p{font-size:15px}.creator-tabs button,.toggle button{font-size:14px;padding:10px 15px}.budget-number{font-size:37px}footer{flex-wrap:wrap}footer>span{order:3;flex-basis:100%}summary{font-size:23px}}@media(max-width:430px){.timeline{grid-template-columns:1fr}.channel-tabs button{font-size:15px}.tags span{font-size:14px}.closing-lines{letter-spacing:-.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.section-body{transition:none}.js-motion .section-body.waiting{opacity:1;transform:none}}@media print{header{position:static}.progress,.read-link{display:none}section{break-inside:avoid;padding:35px 0}.section-body{opacity:1!important;transform:none!important}body{background:white}.hero{min-height:0}h1{font-size:65px}.dark,.blue{background:white;color:black;--muted:#555;--line:#aaa}.blue p{color:#555}details:not([open])>*:not(summary){display:block}}

.interaction-note{max-width:760px;font-size:14px;line-height:1.6;margin:26px 0 0;padding-left:15px;border-left:2px solid var(--blue)}.interaction-note>span{color:var(--blue);font-size:11px;font-weight:700;letter-spacing:1px;display:block;margin-bottom:5px}.hero h1{margin-top:38px}@media(max-width:800px){.interaction-note{font-size:13px;margin-top:24px}.hero h1{margin-top:35px;font-size:clamp(43px,8.5vw,68px)}}