:root{--bg:#000;--fg:#f5f5f7;--muted:#a0a0a8;--line:#242428;--soft:#09090b;--sans:Arial,Helvetica,sans-serif;--serif:var(--sans);--mono:ui-monospace,SFMono-Regular,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;background:#000;scroll-padding-top:100px}body{margin:0;background:#000;color:var(--fg);font:16px/1.65 var(--sans);overflow-x:clip}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #fff;outline-offset:6px}button{cursor:pointer}::selection{background:#ddd;color:#000}.noise{display:none}.site-header{position:fixed;inset:0 0 auto;z-index:50;padding:22px 5vw;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(#000 35%,transparent);gap:20px}.brand{font:bold 28px/1 var(--sans);letter-spacing:-1.5px}.brand span{color:#b2b2ba}.site-header nav{display:flex;gap:26px;align-items:center;font-size:13px}.site-header nav a{color:#b9b9c0}.site-header nav a:hover{color:#fff}.nav-cta{padding:10px 16px;border:1px solid #414147;border-radius:3px}.hero{height:155svh;position:relative;border-bottom:1px solid var(--line)}.hero-sticky{height:100svh;min-height:600px;position:sticky;top:0;overflow:hidden}.hero-coordinate{position:absolute;top:120px;left:5vw;font:12px var(--mono);color:var(--muted);letter-spacing:.1em}.reactive-x{position:absolute;left:50%;top:38%;width:48px;height:48px;z-index:3;transform:translate(-50%,-50%);will-change:transform}.reactive-x span{position:absolute;left:23px;top:0;width:3px;height:48px;background:#fff;border-radius:2px;transform:rotate(45deg)}.reactive-x span:last-child{transform:rotate(-45deg)}.hero-copy{position:absolute;left:5vw;right:5vw;top:52%;text-align:center;will-change:opacity,transform}.kicker,.chapter-meta,.x-id,.x-tags,.method-grid>li>span,.math-prompt>span,.lab-id,dt,dd,.meaning-label>span{font:12px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(46px,7.4vw,112px);font-weight:800;line-height:1.02;letter-spacing:-.055em;margin:16px 0 24px}.hero h1 em,.closing h2 em{font-style:normal;color:#b4b4be}.hero-sub{color:var(--muted);font-size:15px}.scroll-cue{position:absolute;bottom:30px;left:5vw;font:12px var(--mono);color:var(--muted)}.scroll-cue span{display:inline-block;margin-left:30px}.hero-caption{position:absolute;bottom:30px;right:5vw;font:12px var(--mono);color:#76767e}.chapter{padding:110px 5vw;border-bottom:1px solid var(--line);position:relative}.chapter-meta{display:flex;gap:36px;margin-bottom:70px}.meaning-stage{position:relative;max-width:1200px;margin:auto;padding-bottom:95px}.meaning-svg{display:block;width:100%;height:auto;overflow:hidden}.trace{fill:none;stroke:#f5f5f7;stroke-width:2;vector-effect:non-scaling-stroke;stroke-linecap:round}.trace-b{stroke:#a8a8b3}.meaning-center{position:absolute;top:calc((100% - 95px)*.5);left:50%;transform:translate(-50%,-50%);font-size:32px;color:#55555e}.meaning-label{position:absolute;bottom:0;width:45%;text-align:center}.label-left{left:3%}.label-right{right:3%}.meaning-label strong{display:block;font-size:clamp(24px,3vw,40px);font-weight:750;letter-spacing:-.04em;line-height:1.2;margin:10px 0}.meaning-label small{font-size:14px;color:var(--muted)}.meaning-copy{display:grid;grid-template-columns:1.4fr 1fr;gap:8vw;align-items:end;margin:95px 0 0}.meaning-copy h2,.section-head h2,.method-intro h2,.lab-card h2,.closing 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var(--line);border-left:1px solid var(--line)}.method-grid li{padding:28px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);transition:background .3s;min-height:240px}.method-grid li:hover{background:#101014}.method-grid h3{font-size:26px;letter-spacing:-.035em;line-height:1.2;margin:48px 0 14px}.method-grid p{color:var(--muted);font-size:16px;margin:0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:55px}.section-head>a{font-size:14px;white-space:nowrap;border-bottom:1px solid #666;padding-bottom:8px}.x-list,.editorial-list{border-top:1px solid var(--line)}.x-row{display:grid;grid-template-columns:70px 1fr 220px 24px;gap:24px;align-items:center;padding:32px 0;border-bottom:1px solid var(--line)}.x-row h3{font-size:clamp(21px,2.2vw,30px);line-height:1.3;letter-spacing:-.025em;margin:0}.x-row:hover h3,.editorial-list a:hover strong{color:#bcbce0}.x-tags{text-align:right;font-size:12px}.editorial-list a{display:grid;grid-template-columns:185px 1fr 125px;gap:24px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}.editorial-list span,.editorial-list em{font:12px/1.5 var(--mono);color:var(--muted);font-style:normal}.editorial-list strong{font-size:clamp(21px,2.3vw,30px);line-height:1.3;letter-spacing:-.025em}.lab-card{padding:42px;border:1px solid #33333c;display:grid;grid-template-columns:1.5fr 1fr;gap:45px;background:radial-gradient(ellipse at top right,#101017,#000 65%)}.lab-card h2{font-size:clamp(32px,4vw,58px)}.lab-id{display:block;margin:30px 0 14px}.lab-card dl{margin:0}.lab-card dl div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:18px 0}.lab-card>a{font-size:14px;text-decoration:underline}.closing{padding-top:140px;padding-bottom:140px}.closing .kicker{margin-top:60px}.closing h2{font-size:clamp(54px,9vw,132px);margin:12px 0 30px}.closing>p{font-size:18px}.big-cta{margin-top:55px;padding:25px 0;border-top:1px solid #555;border-bottom:1px solid #555;display:flex;justify-content:space-between;font-size:16px}footer{padding:60px 5vw;display:grid;grid-template-columns:1fr 1fr;gap:24px}footer p{color:var(--muted);margin:0}.footer-brand{font-size:40px}footer div{display:flex;gap:25px;justify-content:end;font-size:14px}footer small{grid-column:1/-1;color:var(--muted);font-size:12px}.page-hero{padding:160px 5vw 65px;border-bottom:1px solid var(--line)}.page-hero h1{font:800 clamp(48px,8vw,120px)/1.08 var(--sans);letter-spacing:-.05em;margin:18px 0 25px}.page-hero p{max-width:65ch;color:var(--muted);font-size:18px}.page-content{padding:70px 5vw 110px}.page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.page-card{background:#000;padding:36px;min-width:0}.page-card>span{font:12px var(--mono);color:var(--muted)}.page-card h2{font-size:clamp(26px,3vw,40px);letter-spacing:-.035em;line-height:1.2;margin:24px 0}.page-card p{color:var(--muted)}.menu-toggle{display:none}.case-detail,.essay,.research-brief{max-width:1000px;margin:70px auto 0;scroll-margin-top:110px;border-top:1px solid #33333c;padding-top:40px}.case-detail h2,.essay h2,.research-brief h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.035em}.case-detail h3,.essay h3,.research-brief h3{font-size:20px;margin:30px 0 12px}.case-detail p,.essay p,.research-brief p,.research-brief li{color:var(--muted);max-width:72ch}.case-detail dl{display:grid;grid-template-columns:130px 1fr;gap:18px}.case-detail dd{font:16px/1.7 var(--sans);text-transform:none;letter-spacing:0}.essay .kicker{margin-bottom:25px}.content-note{font:12px var(--mono);color:var(--muted)}
@media(max-width:760px){.site-header{padding:18px 22px;background:#000;border-bottom:1px solid #202025}.menu-toggle{display:block;background:none;border:1px solid #404048;color:#fff;min-height:44px;padding:8px 14px;font-size:14px}.site-header nav{display:none;position:absolute;top:81px;left:0;right:0;background:#000;padding:25px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid #444}.site-header nav.is-open{display:flex}.site-header nav a{font-size:16px;padding:15px}.hero{height:135svh}.hero-sticky{min-height:570px}.hero-coordinate{left:22px;top:110px}.hero-copy{left:22px;right:22px;top:50%}.hero h1{font-size:clamp(43px,10vw,72px)}.hero-sub{font-size:14px;max-width:32ch;margin:auto}.hero-caption{display:none}.scroll-cue{left:22px}.chapter{padding:75px 22px}.chapter-meta{margin-bottom:45px;gap:22px}.meaning-stage{padding-bottom:115px;margin:20px -10px 0}.meaning-label{width:48%}.meaning-label small{font-size:12px}.meaning-label>span{font-size:10px}.meaning-center{top:calc((100% - 115px)*.5);font-size:22px}.meaning-copy{grid-template-columns:1fr;gap:25px;margin-top:60px}.meaning-copy h2{font-size:36px}.method-intro{grid-template-columns:1fr;gap:40px;margin-bottom:40px}.math-prompt{padding:26px}.method-grid{grid-template-columns:1fr}.method-grid li{min-height:0;padding:25px}.method-grid h3{margin-top:22px}.section-head{flex-direction:column;align-items:start;gap:25px}.x-row{grid-template-columns:48px 1fr;gap:15px}.x-row .arrow,.x-tags{display:none}.editorial-list a{grid-template-columns:1fr;gap:12px}.lab-card{grid-template-columns:1fr;padding:26px;gap:30px}.closing{padding:85px 22px}.closing .kicker{margin-top:40px}footer{grid-template-columns:1fr;padding:45px 22px}footer div{justify-content:start;flex-wrap:wrap}footer small{grid-column:auto}.page-hero{padding:135px 22px 45px}.page-content{padding:45px 22px 80px}.page-grid{grid-template-columns:1fr}.page-card{padding:26px}.case-detail dl{grid-template-columns:1fr;gap:8px}.case-detail dd{margin-bottom:20px}.math-prompt{grid-template-columns:65px 1fr}.meaning-copy h2,.method-intro h2,.section-head h2{font-size:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.hero{height:auto}.hero-sticky{position:relative}.reactive-x{will-change:auto}}

.dev-notice{position:fixed;right:24px;bottom:24px;z-index:60;width:min(340px,calc(100vw - 44px));background:#09090b;border:1px solid #35353e;border-radius:4px;padding:22px 22px 20px;box-shadow:0 20px 60px rgba(0,0,0,.6);opacity:0;transform:translateY(16px);transition:opacity .35s,transform .35s cubic-bezier(.16,1,.3,1)}
.dev-notice.is-visible{opacity:1;transform:none}
.dev-notice[hidden]{display:none}
.dev-notice .kicker{margin:0 36px 10px 0}
.dev-notice-text{color:#d6d6dc;font-size:15px;line-height:1.55;margin:0 0 16px}
.dev-notice-close{position:absolute;top:6px;right:6px;width:40px;height:40px;background:none;border:0;color:var(--muted);font-size:24px;line-height:1}
.dev-notice-close:hover{color:#fff}
.dev-notice-ok{background:#f5f5f7;color:#000;border:0;border-radius:3px;min-height:40px;padding:8px 18px;font-size:14px}
.dev-notice-ok:hover{background:#d4d4da}
@media(max-width:760px){.dev-notice{right:22px;left:22px;bottom:22px;width:auto}}

.contact-email>p:not(.kicker){color:var(--muted);font-size:18px;margin:24px 0 0}
.contact-email .kicker{margin-bottom:14px}
.email-link{display:inline-block;font-size:clamp(30px,6vw,88px);font-weight:750;letter-spacing:-.045em;line-height:1.1;overflow-wrap:anywhere;border-bottom:1px solid #444;padding-bottom:6px}
.email-link:hover{color:#bcbce0;border-color:#bcbce0}
.email-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.email-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border:1px solid #414147;border-radius:3px;background:#000;color:var(--fg);font-size:15px}
.email-btn:hover{border-color:#f5f5f7}
.email-btn-primary{background:#f5f5f7;color:#000;border-color:#f5f5f7}
.email-btn-primary:hover{background:#d4d4da;border-color:#d4d4da}
@media(max-width:760px){.email-link{font-size:clamp(26px,8vw,40px)}.email-actions{flex-direction:column}}
.email-heading{font-size:clamp(20px,2.2vw,28px);font-weight:750;letter-spacing:-.02em;margin:0 0 14px}
footer p.footer-email{grid-column:1/-1;color:var(--fg);font-size:16px}
footer p.footer-email a{border-bottom:1px solid #666}
footer p.footer-email a:hover{border-color:#fff}

.site-header nav a[aria-current="page"]{color:#fff}

.nav-group{position:relative;display:flex;align-items:center}
.nav-group::after{content:"";position:absolute;left:-20px;right:-20px;top:100%;height:18px}
.nav-sub{position:absolute;top:calc(100% + 18px);left:-20px;z-index:60;min-width:320px;display:flex;flex-direction:column;padding:10px 0;background:#000;border:1px solid #35353e;border-radius:3px;box-shadow:0 20px 60px rgba(0,0,0,.6);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .45s cubic-bezier(.16,1,.3,1),visibility .25s}
.nav-group:hover .nav-sub,.nav-group:focus-within .nav-sub{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .45s cubic-bezier(.16,1,.3,1),visibility 0s}
.nav-group.is-dismissed .nav-sub{opacity:0;visibility:hidden}
.site-header .nav-sub a{display:flex;align-items:baseline;gap:12px;padding:9px 20px;font-size:13px;color:#b9b9c0}
.site-header .nav-sub a:hover,.site-header .nav-sub a:focus-visible{color:#fff;background:#101014}
.site-header .nav-sub a:focus-visible{outline-offset:-2px}
.nav-sub b{font:600 12px/1.5 var(--mono);color:var(--fg);letter-spacing:.02em;min-width:58px}
.nav-sub em{font:11px/1.5 var(--mono);font-style:normal;letter-spacing:.07em;text-transform:uppercase;color:#76767e;margin-left:auto}
.nav-sub-label{font:11px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin:8px 0 0;padding:12px 20px 4px;border-top:1px solid var(--line)}
@media(max-width:760px){.nav-group{flex-direction:column;align-items:stretch}
.nav-group::after{display:none}
.nav-sub,.nav-group.is-dismissed .nav-sub{position:static;min-width:0;opacity:1;visibility:visible;transform:none;box-shadow:none;background:none;border:0;border-left:1px solid #2a2a30;border-radius:0;margin:0 0 6px 15px;padding:0}
.site-header .nav-sub a{font-size:14px;padding:11px 15px}
.nav-sub-label{border-top:0;margin:4px 0 0;padding:8px 15px 2px}
}
.lab-group{margin:55px 0 14px}
.section-head+.lab-group{margin-top:0}
.x-drop{display:inline-block;transform-origin:50% 60%}
.x-drop.is-waiting{opacity:0}
.x-drop.is-falling{animation:x-fall 1.4s cubic-bezier(.16,1,.3,1) both}
@keyframes x-fall{0%{opacity:0;transform:translateY(-70vh) rotate(-90deg);animation-timing-function:cubic-bezier(.55,0,1,.45)}12%{opacity:1}62%{transform:translateY(0) rotate(4deg);animation-timing-function:cubic-bezier(.3,0,.5,1)}76%{transform:translateY(-.14em) rotate(-2deg)}88%{transform:translateY(0) rotate(0)}94%{transform:translateY(-.03em)}100%{opacity:1;transform:none}}

.back-link{display:inline-block;font:12px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid #444;margin-bottom:26px}
.back-link:hover{color:#fff;border-color:#fff}
.subnav{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px;font:12px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase}
.subnav a{color:var(--muted);border-bottom:1px solid #444;padding-bottom:4px}
.subnav a:hover{color:#fff;border-color:#fff}
.lab-card .card-links{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px}
.lab-card ul{color:var(--muted);padding-left:20px;margin:24px 0 0}
.lab-card .card-note{grid-column:1/-1;font:12px/1.6 var(--mono);color:var(--muted);margin:0}
.lab-category+.lab-category{margin-top:40px}
.lab-category .lab-group{max-width:1000px;margin:90px auto 0;color:var(--fg)}
.lab-category .lab-group+article{margin-top:24px}
.lab-category .content-note{max-width:1000px;margin:24px auto 0}
.fy-list{display:grid;gap:24px}
.fy{font:700 clamp(36px,4vw,60px)/1.2 var(--mono);letter-spacing:-.06em;margin:0 0 18px}
.lab-card.is-soon{border-style:dashed;background:#000}
.lab-card.is-soon .fy{color:var(--muted)}
.lab-card .card-note{margin-top:20px}
@media(max-width:760px){.subnav{gap:10px 20px}
}
.study-byline{font:12px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;margin-top:-6px}
.page-hero .study-byline{color:var(--fg)}
.essay ul,.essay ol{color:var(--muted);max-width:72ch;padding-left:22px}
.essay li+li{margin-top:10px}
.essay li strong,.essay p strong{color:var(--fg);font-weight:600}
.study-dl{display:grid;grid-template-columns:200px 1fr;gap:12px 18px;max-width:900px}
.study-dl dd{font:16px/1.7 var(--sans);text-transform:none;letter-spacing:0;margin:0;color:var(--muted)}
.study-equation{font:700 clamp(20px,2.6vw,32px)/1.3 var(--mono);letter-spacing:-.03em;color:var(--fg)!important;border-top:1px solid #33333c;border-bottom:1px solid #33333c;padding:22px 0;margin:28px 0}
.study-refs li{font-size:15px}
@media(max-width:760px){.study-dl{grid-template-columns:1fr;gap:4px}
.study-dl dd{margin-bottom:12px}
}
.nav-group-end .nav-sub{left:auto;right:-20px;min-width:260px}
@media(max-width:760px){.nav-group-end .nav-sub{right:auto}
}

.resume-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px}
.resume-note{flex-basis:100%;font:12px/1.5 var(--mono);color:var(--muted);margin:0}
.statement{max-width:900px;margin:100px 0 0}
.statement h2{font:clamp(48px,7vw,100px)/.92 var(--serif);font-weight:400}
.statement p{color:var(--muted);font-size:18px}
.prose{max-width:72ch;margin-bottom:70px}
.prose p{font-size:19px;color:#d6d6dc}
.prose p+p{color:var(--muted)}
.xp-group{display:grid;grid-template-columns:220px 1fr;gap:24px;border-top:1px solid var(--line);padding:32px 0}
.xp-group h3{font-size:22px;letter-spacing:-.02em;margin:0}
.xp-group ul{list-style:none;padding:0;margin:0;color:var(--muted)}
.xp-group li+li{margin-top:12px}
.xp-group li strong{color:var(--fg);font-weight:600}
.xp-group a{border-bottom:1px solid #666}
.xp-group a:hover{color:#fff;border-color:#fff}
.placeholder{display:inline-block;border:1px dashed #55555e;padding:2px 8px;font:13px/1.6 var(--mono);color:#c9c9d1}
@media(max-width:760px){.xp-group{grid-template-columns:1fr;gap:14px}
}

.x-form-hero p{color:var(--muted)}
.x-form,.x-form-done{max-width:640px}
.x-form{display:flex;flex-direction:column;gap:28px}
.x-form[hidden],.x-form-done[hidden],.x-error[hidden],.x-form-status[hidden]{display:none}
.x-field{display:flex;flex-direction:column;gap:8px;min-width:0}
.x-field-row{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px}
.x-field label{color:var(--fg);font-size:16px;font-weight:500;line-height:1.5}
.x-field input,.x-field textarea{width:100%;background:#0a0a0a;color:var(--fg);caret-color:var(--fg);border:1px solid rgba(245,245,247,.42);border-radius:3px;padding:14px 16px;font-size:18px;line-height:1.5;-webkit-appearance:none;appearance:none}
.x-field textarea{resize:vertical;min-height:calc(6 * 1.5em + 30px)}
.x-field input:hover,.x-field textarea:hover{border-color:rgba(245,245,247,.6)}
.x-field input:focus,.x-field textarea:focus{border-color:var(--fg);outline:2px solid var(--fg);outline-offset:2px;box-shadow:none}
.x-field input:-webkit-autofill,.x-field input:-webkit-autofill:hover,.x-field input:-webkit-autofill:focus{-webkit-box-shadow:0 0 0 1000px #0a0a0a inset;-webkit-text-fill-color:var(--fg);caret-color:var(--fg);transition:background-color 9999s}
.x-field [aria-invalid="true"]{border-color:#ff8a80}
.x-error{color:#ff8a80;font-size:15px;line-height:1.5;margin:0}
.x-submit{align-self:flex-start;min-height:48px;padding:12px 28px;background:var(--fg);color:#000;border:1px solid var(--fg);border-radius:3px;font-size:16px;font-weight:700}
.x-submit:hover{background:#d4d4da;border-color:#d4d4da}
.x-submit:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
.x-submit:disabled{opacity:.55;cursor:progress}
.x-form-status{color:#ff8a80;margin:0}
.x-form-fallback{color:var(--muted);font-size:15px;margin:0}
.x-form-fallback a{color:var(--fg);border-bottom:1px solid var(--muted)}
.x-form-fallback a:hover{border-color:var(--fg)}
.x-form-hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.x-form-done h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.035em;margin:0 0 16px}
.x-form-done p{color:var(--muted);line-height:1.6}
.x-form-done:focus{outline:none}
@media(max-width:600px){.x-field-row{grid-template-columns:1fr}
.x-submit{align-self:stretch}
}