:root{color-scheme:dark;--bg:#000;--fg:#fff;--muted:#b3b3b3;--line:#373737;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:1rem}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:.22em}button,input,textarea,select{font:inherit}button,a,label,input,textarea,summary{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid #fff;outline-offset:5px}[hidden]{display:none!important}.skip-link{position:fixed;top:0;left:1rem;z-index:10;transform:translateY(-150%);padding:.7rem 1rem;background:#fff;color:#000}.skip-link:focus{transform:none}.site-header,main,.site-footer{width:min(calc(100% - 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p:not(.eyebrow){color:var(--muted)}.study-link>p:not(.eyebrow){max-width:47rem}.site-footer{border-top:1px solid var(--line);padding:2rem 0 3rem;display:flex;gap:2rem;align-items:center;font-size:.875rem}.site-footer nav{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;flex:1}.site-footer a:not(.brand){min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.page-hero{padding:clamp(2.5rem,6vw,4rem) 0 3.6rem}.page-hero h1{font-size:clamp(3.5rem,7.6vw,7rem);max-width:20ch;line-height:.97}.page-hero .lead{max-width:44rem;font-size:clamp(1.1rem,2vw,1.35rem)}.page-hero .actions{margin-top:1.7rem}.paper-sections{max-width:55rem}.paper-sections .section-heading{margin-bottom:1.7rem}.note{border-left:2px solid #fff;padding-left:1.3rem;margin:1.8rem 0;max-width:45rem}.record-pair{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:2rem 0;border-top:1px solid #fff;border-bottom:1px solid var(--line)}.record-pair>div{padding:1.4rem 1.4rem 1.4rem 0;min-width:0}.record-pair>div+div{border-left:1px solid var(--line);padding-left:1.4rem}.record-pair .eyebrow{margin-bottom:.7rem}.record-text{font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.3;overflow-wrap:anywhere;white-space:pre-wrap;margin-bottom:0}.record-pair .record-text{font-size:clamp(1.15rem,2.5vw,1.7rem)}.paper-list{border-top:1px solid #fff}.paper-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:2rem;border-bottom:1px solid var(--line);padding:1.6rem 0;text-decoration:none}.paper-row strong{font-weight:450;font-size:clamp(1.15rem,2.3vw,1.7rem);line-height:1.2;letter-spacing:-.025em}.paper-row span{color:var(--muted)}details{border-block:1px solid var(--line);padding:1.2rem 0;margin:1.5rem 0}details+details{border-top:0}summary{cursor:pointer;min-height:44px;display:list-item;font-size:1.1rem}details[open]>summary{margin-bottom:1rem}.file-list a{display:flex;justify-content:space-between;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line);text-decoration:none}.file-list span{color:var(--muted);font-size:.875rem}.hash{font:400 .875rem/1.6 var(--mono);overflow-wrap:anywhere}.check-header{padding:2rem 0 1.4rem}.check-header h1{font-size:clamp(1.7rem,3vw,2.5rem);margin:0}.check-header .eyebrow{margin-bottom:.6rem}.check-layout{display:grid;grid-template-columns:12rem minmax(0,1fr);border-top:1px solid var(--line);margin-bottom:4rem}.pass-nav{padding:2rem 1.5rem 2rem 0;display:flex;flex-direction:column;align-items:stretch;gap:.3rem}.pass-nav button{display:flex;text-align:left;gap:1rem;align-items:center;background:#000;color:var(--muted);border:0;border-left:2px solid transparent;min-height:52px;padding:.7rem;font-size:1rem}.pass-nav button[aria-pressed=true]{color:#fff;border-left-color:#fff}.pass-nav span{font:400 .8rem/1 var(--mono)}.check-panel{min-width:0;border-left:1px solid var(--line);padding:2rem 0 2rem clamp(1.5rem,4vw,3rem)}.check-stage{max-width:48rem}.check-stage h2{font-size:clamp(1.5rem,2.8vw,2.3rem);line-height:1.17}.check-target{font-size:clamp(4rem,11vw,8rem);line-height:1.1;letter-spacing:-.05em;font-weight:400;margin:clamp(2.4rem,6vw,4rem) 0;overflow-wrap:anywhere}.check-context{font-size:clamp(1.6rem,4vw,3rem);line-height:1.25;margin:2.8rem 0;max-width:25ch}.response-label{display:block;font-size:1rem;margin:1.5rem 0 .7rem}.response{display:block;resize:vertical;width:100%;min-height:7rem;color:#fff;background:#090909;border:1px solid #666;padding:.85rem 1rem;border-radius:0;font-size:1.05rem;line-height:1.55}.check-progress{font:400 .875rem/1.5 var(--mono);color:var(--muted);margin-bottom:1.5rem}.check-source{margin:1.3rem 0;border:1px solid var(--line);padding:1.1rem}.check-source p:last-child{margin-bottom:0}.check-outcome{white-space:pre-wrap;overflow-wrap:anywhere}.check-questions{padding-left:1.2rem}.check-questions li{margin-bottom:.7rem}.no-js{border:1px solid #fff;padding:1.5rem;margin:2rem 0}main:focus{outline:0}.citation{font-size:.9rem;color:var(--muted);overflow-wrap:anywhere}.story-note{max-width:48rem}.about-title{font-size:clamp(2.5rem,6vw,5rem)!important}.about-roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}.preserve-reading{white-space:pre-wrap;overflow-wrap:anywhere}
@media(hover:hover){.button:hover{background:#fff;color:#000}.primary:hover{background:#000;color:#fff}.paper-row:hover strong,.site-footer a:hover{text-decoration:underline}.text-button:hover{color:var(--muted)}}
@media(max-width:800px){.site-header,main,.site-footer{width:calc(100% - 2rem)}.home-hero{padding-top:2.3rem}.home-hero h1{font-size:clamp(2rem,6.9vw,3.45rem)}.hero-action{align-items:flex-start;gap:1.2rem}.hero-action p{flex-basis:100%}.cases{grid-template-columns:1fr}.case,.case+.case{padding:1.7rem 0;border-left:0;border-bottom:1px solid var(--line)}.paper-row{grid-template-columns:1fr;gap:.7rem}.check-layout{grid-template-columns:1fr}.pass-nav{flex-direction:row;padding:1rem 0;gap:.3rem;flex-wrap:wrap}.pass-nav button{padding:.5rem .65rem;border-left:0;border-bottom:2px solid transparent;font-size:.94rem}.pass-nav button[aria-pressed=true]{border-left:0;border-bottom-color:#fff}.pass-nav span{display:none}.check-panel{border-left:0;border-top:1px solid var(--line);padding:1.7rem 0}.check-target{font-size:clamp(3.8rem,16vw,7rem)}.site-footer{align-items:flex-start;flex-wrap:wrap;gap:1rem}.site-footer nav{flex-basis:calc(100% - 60px);gap:.3rem 1.1rem}.page-hero{padding-bottom:2.5rem}.record-pair{grid-template-columns:1fr}.record-pair>div+div{border-left:0;padding-left:0;border-top:1px solid var(--line)}.file-list a{flex-direction:column;gap:.25rem}.about-roles{grid-template-columns:1fr}.section{padding:3rem 0}}
@media(max-width:400px){h1{font-size:2rem}.header-nav{gap:.5rem;font-size:.8rem}.hero-action .button{width:100%}.actions .button{width:100%}.home-hero h1 br{display:none}.home-hero h1{line-height:1.08}.pass-nav button{font-size:.875rem;padding:.5rem}.page-hero h1{font-size:3.2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:#fff;color:#000}.site-header,.site-footer,button,.pass-nav{display:none}.section{break-inside:avoid;border-color:#ccc}main{width:100%}.muted,.eyebrow{color:#444}a{color:#000}.check-panel{padding:0;border:0}}
.comparison-choices{border:1px solid var(--line);padding:1.2rem;margin:1.5rem 0}.comparison-choices legend{padding:0 .4rem}.comparison-choices label{display:flex;gap:.8rem;align-items:center;min-height:44px;padding:.4rem 0}.comparison-choices input{accent-color:#fff;width:1.1rem;height:1.1rem;flex:none}



.caption-example{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.caption-portrait{width:100%;max-width:30rem;min-width:0;margin:0}
.caption-portrait img{display:block;width:100%;height:auto}
.caption-portrait figcaption{padding-top:1.1rem;font-size:clamp(1.2rem,2.1vw,1.65rem);line-height:1.3;letter-spacing:-.025em}
.caption-copy{min-width:0;max-width:36rem}
.caption-copy h2{font-size:clamp(1.8rem,3.2vw,3rem);line-height:1.07;max-width:22ch;margin-bottom:1.8rem}
.caption-copy>a{display:inline-flex;align-items:center;min-height:44px;margin-top:.3rem}
@media(max-width:800px){.caption-example{grid-template-columns:1fr;gap:2rem}.caption-portrait{max-width:30rem}.caption-copy{max-width:40rem}}
@media print{.caption-example{display:block}.caption-portrait{max-width:16rem;margin-bottom:2rem}.caption-copy{max-width:100%}}

.site-footer{flex-wrap:wrap}.contact-link{overflow-wrap:anywhere}.case-quote{margin:1.5rem 0;padding:1.2rem 0;border-block:1px solid var(--line)}.case-quote p:last-child{margin-bottom:0}.case-source{margin-top:1.5rem}.download-status:empty{display:none}

.hero-lead{font-size:clamp(1.1rem,2.2vw,1.45rem);line-height:1.45;max-width:44ch;margin-bottom:0}
.record-route ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;margin:2.4rem 0 1.6rem;padding:0;border-top:1px solid #fff}
.record-route li{min-width:0;padding:1.5rem 1.2rem 0 0}.record-route li+li{padding-left:1.2rem;border-left:1px solid var(--line)}
.route-number{display:block;font:400 .875rem/1.5 var(--mono);color:var(--muted);margin-bottom:1.2rem}
.record-route h3{font-size:1.25rem;letter-spacing:-.025em}.record-route li p{font-size:1rem;color:var(--muted)}
@media(max-width:900px){.record-route ol{grid-template-columns:repeat(2,minmax(0,1fr))}.record-route li:nth-child(3){padding-left:0;border-left:0}.record-route li:nth-child(n+3){border-top:1px solid var(--line)}}
@media(max-width:480px){.record-route ol{grid-template-columns:1fr}.record-route li,.record-route li+li{padding:1.25rem 0;border-left:0;border-bottom:1px solid var(--line)}.record-route li:nth-child(n+3){border-top:0}.route-number{margin-bottom:.65rem}.record-route li p{margin-bottom:0}.home-hero h1 br{display:none}}

.procedure-list{padding-left:1.4rem;margin:2rem 0}.procedure-list li{padding-left:.5rem;margin-bottom:1.4rem}.procedure-list h3{font-size:1.25rem;letter-spacing:-.025em;margin-bottom:.4rem}.procedure-list li p{margin-bottom:0}
.comparison-table{width:100%;border-collapse:collapse;table-layout:fixed;margin:2rem 0;font-size:1rem;line-height:1.5}.comparison-table caption{text-align:left;font:400 .875rem/1.5 var(--mono);color:var(--muted);padding:0 0 1rem}.comparison-table th,.comparison-table td{text-align:left;vertical-align:top;padding:1rem .9rem 1rem 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.comparison-table thead th{border-top:1px solid #fff;font-size:.875rem;color:var(--muted);font-weight:400}.comparison-table th:first-child{width:40%}.comparison-table th[scope=row]{font-weight:450}.comparison-table td{padding-left:.8rem}
.claim-conditions{margin:2rem 0}.claim-conditions>div{padding:1.2rem 0;border-top:1px solid var(--line)}.claim-conditions dt{font-size:1.2rem;margin-bottom:.6rem}.claim-conditions dd{margin:0;color:var(--muted)}.response-list{padding-left:1.25rem}.response-list li{margin:.7rem 0}
@media(max-width:480px){.comparison-table th:first-child{width:43%}.comparison-table th,.comparison-table td{padding-right:.5rem}.comparison-table td{padding-left:.35rem}}