:root {
  --paper:#FAFAF7; --ink:#20283F; --muted:#596477; --accent:#4653A5;
  --navy:#263456; --rule:#DADDE4; --tint:#EFF1F7;
  --serif:"Iowan Old Style",Charter,Georgia,serif;
  --sans:"Avenir Next",Avenir,"Segoe UI",sans-serif;
  color-scheme:light;
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; scroll-padding-top:0; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.6 var(--sans); -webkit-font-smoothing:antialiased; }
[hidden] { display:none!important; }
a { color:var(--accent); text-decoration-thickness:1px; text-underline-offset:.2em; }
a:hover { text-decoration-thickness:2px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline:2px solid var(--accent); outline-offset:5px; border-radius:1px; }
button { font:inherit; cursor:pointer; }
button, a, summary { -webkit-tap-highlight-color:transparent; }
.wrap { width:min(100% - 96px, 1240px); margin-inline:auto; }
.skip-link { position:fixed; left:16px; top:12px; padding:10px 16px; background:white; transform:translateY(-160%); z-index:100; }
.skip-link:focus { transform:translateY(0); }
.site-header { display:flex; align-items:center; justify-content:space-between; min-height:88px; border-bottom:1px solid var(--rule); gap:24px; }
.site-name { font-size:17px; font-weight:600; letter-spacing:-.035em; text-decoration:none; color:var(--ink); }
.site-header nav { display:flex; gap:30px; align-items:center; font-size:14px; }
.site-header nav a { text-decoration:none; color:var(--muted); }
.site-header nav a:hover { color:var(--accent); text-decoration:underline; }
.masthead { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr); gap:clamp(48px,7vw,104px); padding-block:66px 70px; align-items:stretch; }
.publication-label { margin:0 0 22px; font-size:14px; color:var(--muted); }
h1 { font:400 clamp(64px,7.5vw,106px)/.98 var(--serif); letter-spacing:-.055em; margin:0 0 30px; max-width:10ch; text-wrap:balance; }
.definition { font-size:clamp(20px,1.8vw,24px); line-height:1.48; font-weight:500; letter-spacing:-.018em; margin:0; max-width:31ch; }
/* the two columns register on two lines: tops of the label and the thesis,
   bottoms of the definition and the reading actions */
.hero-context { display:flex; flex-direction:column; }
.hero-context .byline { margin-top:auto; }
.thesis { font:400 clamp(25px,2.45vw,33px)/1.34 var(--serif); letter-spacing:-.018em; margin:0 0 32px; max-width:26ch; }
.byline { color:var(--muted); font-size:14px; line-height:1.7; }
.byline p { margin:0 0 7px; }
.reading-actions { display:flex; gap:12px 22px; flex-wrap:wrap; font-size:13px; margin-top:28px; }
.reading-actions a, .reading-actions button { border:0; background:none; padding:0; color:var(--accent); text-decoration:underline; text-underline-offset:4px; }
.reading-actions a:first-child { width:100%; font-size:15px; font-weight:500; }
.reading-actions span { padding-left:8px; }
.reading-layout { display:grid; grid-template-columns:228px minmax(0,1fr); gap:clamp(48px,6vw,88px); border-top:1px solid var(--rule); padding-top:54px; align-items:start; }
.toc { position:sticky; top:28px; max-height:calc(100vh - 56px); overflow:auto; scrollbar-width:thin; padding:0 8px 12px 0; }
.toc summary { display:none; }
.toc-label { font-size:13px; color:var(--muted); margin:0 0 18px 12px; }
.toc ol { list-style:none; padding:0; margin:0; }
.toc li { margin:0; }
.toc li a { display:grid; grid-template-columns:20px 1fr; column-gap:10px; padding:10px 8px 10px 12px; border-left:2px solid transparent; font-size:14px; line-height:1.5; color:var(--muted); text-decoration:none; }
.toc li a:hover { color:var(--ink); background:var(--tint); }
.toc a[aria-current="location"] { color:var(--accent); border-left-color:var(--accent); background:var(--tint); font-weight:600; }
.toc-number { font-size:11px; font-variant-numeric:tabular-nums; padding-top:1px; }
.toc-sources { display:block; font-size:12px; color:var(--muted); margin:24px 0 0 14px; text-decoration:none; }
.toc-sources:hover { text-decoration:underline; }
article { width:100%; max-width:760px; min-width:0; }
.s { padding-bottom:62px; scroll-margin-top:28px; }
.s + .s { padding-top:34px; border-top:1px solid var(--rule); }
.s h2 { position:relative; font:400 clamp(27px,2.6vw,36px)/1.2 var(--serif); letter-spacing:-.025em; display:grid; grid-template-columns:30px 1fr; gap:12px; margin:0 0 28px; text-wrap:pretty; }
.s h2:focus { outline:none; }
.section-number { font:500 12px/1.8 var(--sans); color:var(--accent); padding-top:7px; font-variant-numeric:tabular-nums; }
.section-link { position:absolute; right:-27px; top:7px; opacity:0; font:400 18px/1.6 var(--sans); text-decoration:none; }
h2:hover .section-link, .section-link:focus-visible { opacity:1; }
article p, article li { font:400 20px/1.7 var(--serif); margin:0 0 1.1em; }
article p:last-child { margin-bottom:0; }
article strong { font-weight:600; }
article ul, article ol { margin:0 0 28px; padding-left:24px; }
article li { padding-left:4px; margin-bottom:12px; }
.fn { text-decoration:none; white-space:nowrap; }
.fn sup { font:500 11px/1 var(--sans); padding-inline:2px; }
.law { margin:34px -24px 36px; background:var(--navy); color:var(--paper); padding:40px 42px; }
.law p { font:400 clamp(28px,3vw,39px)/1.27 var(--serif); letter-spacing:-.018em; max-width:30ch; }
.hallmark-pair { display:grid; grid-template-columns:1fr 1fr; gap:32px; margin:32px -24px 30px; padding:30px 24px 0; background:var(--tint); }
.hallmark-side h3 { font:400 32px/1.2 var(--serif); letter-spacing:-.02em; margin:0 0 20px; color:var(--accent); }
.hallmark-side p { font-size:18px; line-height:1.65; }
.hallmark-side { padding-bottom:30px; }
.shared-principle p { font-size:21px; line-height:1.6; }
.shared-principle strong { display:block; font:500 21px/1.5 var(--sans); margin-bottom:15px; letter-spacing:-.025em; }
.patient-questions { list-style:none; padding:0 0 0 22px; border-left:2px solid var(--accent); margin-block:24px 32px; }
.patient-questions li { font:500 19px/1.6 var(--sans); letter-spacing:-.014em; margin:0 0 18px; padding:0; }
.patient-questions li:last-child { margin-bottom:0; }
.sequence { list-style:none; display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); margin:30px -24px 32px; padding:0; border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); }
.sequence li { position:relative; font:500 15px/1.5 var(--sans); letter-spacing:-.02em; padding:22px 14px; margin:0; min-width:0; align-content:center; }
.sequence li+li { border-left:1px solid var(--rule); }
.sequence li:not(:last-child)::after { content:'→'; position:absolute; right:-8px; top:50%; transform:translateY(-50%); color:var(--accent); background:var(--paper); line-height:1; padding-block:5px; z-index:1; font-weight:400; }
.sequence .capacity-step { color:var(--accent); background:var(--tint); font-weight:600; }
.commitments { list-style:none; padding:0; counter-reset:commitment; margin:24px 0 34px; }
.commitments li { counter-increment:commitment; display:grid; grid-template-columns:32px 1fr; gap:14px; border-top:1px solid var(--rule); padding:20px 0 0; margin:0 0 24px; }
.commitments li::before { content:counter(commitment); font:500 15px/1.7 var(--sans); color:var(--accent); padding-top:2px; }
.commitments strong { display:block; font:500 20px/1.5 var(--sans); letter-spacing:-.02em; margin-bottom:5px; }
.final-statement { font-size:30px; line-height:1.4; letter-spacing:-.015em; color:var(--accent); margin-top:40px; padding-top:30px; border-top:1px solid var(--rule); }
.final-statement strong { font-weight:400; }
.apparatus { padding-bottom:38px; }
.apparatus h2 { display:block; font-size:30px; }
.apparatus p { font:400 15px/1.7 var(--sans); color:var(--muted); }
.apparatus p a { overflow-wrap:anywhere; }
.reference { border-top:1px solid var(--rule); padding-top:20px; scroll-margin-top:28px; }
.reference strong { color:var(--ink); }
.refnum { font-size:12px; color:var(--accent); margin-right:5px; }
.cite { background:var(--tint); padding:25px 28px; margin-top:32px; scroll-margin-top:28px; }
.cite-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:18px; }
.cite h3 { font:500 16px/1.5 var(--sans); margin:0; }
.cite p { color:var(--ink); }
.copy-button { background:transparent; border:1px solid #ABB3C9; border-radius:3px; color:var(--accent); padding:8px 12px; font-size:12px; white-space:nowrap; }
.copy-button:hover { background:white; }
.cite .copy-status { font-size:12px; margin-top:12px; }
.copy-status:empty { display:none; }
.site-footer { border-top:1px solid var(--rule); padding-block:26px 36px; display:flex; justify-content:space-between; align-items:center; gap:24px; font-size:13px; color:var(--muted); }
.site-footer p { margin:0; color:var(--ink); font-weight:500; }
.site-footer a { color:var(--muted); text-decoration:none; }
.site-footer a:hover { text-decoration:underline; }
@media(min-width:1700px) { .masthead { padding-top:78px; padding-bottom:86px; } }
@media(max-width:1100px) {
 .wrap { width:calc(100% - 64px); }
 .masthead { gap:42px; }
 .reading-layout { grid-template-columns:192px minmax(0,1fr); gap:44px; }
 .toc li a { font-size:12px; padding-left:8px; }
 .section-link { right:-22px; }
 .hallmark-pair { gap:26px; }
}
@media(max-width:959px) {
 html { scroll-padding-top:0; }
 .masthead { grid-template-columns:1fr 1fr; padding-block:44px 48px; }
 h1 { font-size:clamp(54px,8vw,76px); }
 .definition { font-size:20px; }
 .thesis { font-size:27px; }
 .reading-layout { display:block; padding-top:0; max-width:760px; }
 article { padding-top:36px; }
 .toc { top:0; margin:0 -16px; padding:0 16px; max-height:none; background:var(--paper); z-index:20; border-bottom:1px solid var(--rule); overflow:visible; }
 .toc summary { display:flex; justify-content:space-between; align-items:center; min-height:56px; cursor:pointer; list-style:none; font-size:14px; }
 .toc summary::-webkit-details-marker { display:none; }
 .toc-toggle { font-size:22px; font-weight:400; }
 .toc details[open] .toc-toggle { transform:rotate(45deg); }
 .toc-body { max-height:65vh; overflow:auto; padding-bottom:22px; }
 .toc-label { display:none; }
 .toc li a { font-size:14px; padding-block:10px; }
 .toc ol { display:grid; grid-template-columns:1fr 1fr; column-gap:24px; }
 .toc-sources { font-size:13px; margin-top:18px; }
 .s, .reference, .cite { scroll-margin-top:78px; }
 .s h2 { font-size:32px; }
 .section-link { opacity:1; position:static; font-size:14px; display:none; }
 .s h2:focus-within .section-link { display:inline; position:absolute; right:0; background:var(--paper); }
 .law, .hallmark-pair, .sequence { margin-inline:0; }
}
@media(max-width:639px) {
 .wrap { width:calc(100% - 40px); }
 .site-header { min-height:76px; flex-wrap:wrap; align-content:center; gap:8px; padding-block:14px; }
 .site-name { font-size:16px; width:100%; }
 .site-header nav { font-size:12px; gap:24px; }
 .masthead { grid-template-columns:1fr; gap:28px; padding-block:32px 36px; }
 .publication-label { font-size:12px; margin-bottom:18px; }
 h1 { font-size:clamp(52px,12vw,70px); max-width:10ch; margin-bottom:22px; }
 .definition { font-size:20px; line-height:1.5; max-width:32ch; }
 .thesis { font-size:25px; line-height:1.35; margin-bottom:20px; max-width:30ch; }
 .byline { font-size:12px; }
 .reading-actions { gap:14px 20px; margin-top:20px; }
 .reading-actions a:first-child { width:auto; font-size:13px; }
 .reading-actions button { font-size:12px; }
 .toc { margin-inline:-8px; padding-inline:8px; }
 .toc ol { grid-template-columns:1fr; }
 article { padding-top:30px; }
 article p, article li { font-size:19px; line-height:1.68; }
 .s { padding-bottom:40px; }
 .s + .s { padding-top:28px; }
 .s h2 { font-size:28px; grid-template-columns:21px 1fr; gap:10px; margin-bottom:24px; }
 .section-number { padding-top:5px; font-size:11px; }
 .law { padding:28px 24px; margin-block:28px; }
 .law p { font-size:29px; line-height:1.3; }
 .hallmark-pair { display:block; margin-block:26px; padding:24px; }
 .hallmark-side { padding-bottom:26px; }
 .hallmark-side+.hallmark-side { border-top:1px solid #CBD1E0; padding-top:24px; }
 .hallmark-side:last-child { padding-bottom:0; }
 .hallmark-side h3 { font-size:30px; }
 .hallmark-side p { font-size:18px; }
 .shared-principle p { font-size:19px; }
 .shared-principle strong { font-size:19px; }
 .patient-questions { padding-left:18px; }
 .patient-questions li { font-size:17px; line-height:1.6; }
 .sequence { display:block; }
 .sequence li { font-size:16px; padding:16px 18px; }
 .sequence li+li { border-left:0; border-top:1px solid var(--rule); }
 .sequence li:not(:last-child)::after { content:'↓'; right:23px; top:auto; bottom:-10px; transform:none; padding:0 5px; }
 .commitments li { grid-template-columns:24px 1fr; gap:10px; }
 .commitments strong { font-size:18px; }
 .final-statement { font-size:26px; line-height:1.4; }
 .apparatus h2 { display:block; font-size:28px; }
 .apparatus p { font-size:14px; }
 .cite { padding:22px 20px; }
 .cite-heading { flex-wrap:wrap; gap:14px; }
 .site-footer { flex-wrap:wrap; gap:14px 24px; padding-block:24px; }
 .site-footer p { width:100%; }
}
@media(prefers-reduced-motion:reduce) { *, *::before, *::after { scroll-behavior:auto!important; } }
@media print {
 @page { size:A4; margin:18mm; }
 body { background:white; color:black; }
 .wrap { width:100%; max-width:none; }
 .site-header, .toc, .reading-actions, .site-footer, .skip-link, .section-link, .copy-button, .copy-status { display:none!important; }
 .masthead { display:block; padding:0 0 24pt; }
 .publication-label { margin-bottom:10pt; font-size:10pt; }
 h1 { font-size:42pt; max-width:none; margin-bottom:14pt; }
 .definition { font-size:14pt; max-width:none; }
 .hero-context { margin-top:14pt; }
 .thesis { font-size:15pt; max-width:none; margin-bottom:12pt; }
 .byline { font-size:9pt; }
 .reading-layout { display:block; padding:0; border:0; }
 article { max-width:none; padding:0; }
 article p, article li { font-size:11pt; line-height:1.5; orphans:3; widows:3; }
 .s, .s+.s { padding:16pt 0; }
 .s h2 { font-size:21pt; margin-bottom:14pt; break-after:avoid; }
 .section-number { font-size:9pt; }
 .law { background:white; color:black; border-left:2pt solid #263456; margin:18pt 0; padding:12pt 20pt; break-inside:avoid; }
 .law p { font-size:20pt; }
 .hallmark-pair { display:block; background:none; margin:14pt 0; padding:0; }
 .hallmark-side { padding-bottom:12pt; }
 .hallmark-side h3 { font-size:17pt; break-after:avoid; }
 .hallmark-side p { font-size:11pt; }
 .shared-principle p, .shared-principle strong { font-size:12pt; }
 .sequence { margin:18pt 0; break-inside:avoid; }
 .sequence li { font-size:9pt; }
 .commitments li { break-inside:avoid; }
 .commitments strong { font-size:11pt; }
 .final-statement { font-size:18pt; }
 .apparatus p { font-size:9pt; }
 .cite { background:white; border:1pt solid #DADDE4; break-inside:avoid; }
 a { color:inherit; }
}