:root{--field:#f3f5f2;--field-deep:#e9ede8;--field-raised:#fafbf9;--ink:#101820;--ink-soft:#4a5560;--hairline:color-mix(in srgb, var(--ink) 13%, transparent);--hairline-strong:color-mix(in srgb, var(--ink) 34%, transparent);--rule-fade:linear-gradient(90deg, transparent, var(--hairline-strong) 14%, var(--hairline-strong) 86%, transparent);--magenta:#ff127f;--teal:#00ceb4;--teal-deep:#007d6c;--amber:#ffaa20;--amber-deep:#7c4d00;--violet:#9331b2;--font-display:"Newsreader", "Newsreader Fallback", "Iowan Old Style", Georgia, "Times New Roman", serif;--font-body:"Libre Franklin", "Libre Franklin Fallback", "Helvetica Neue", Arial, sans-serif;--font-mono:"IBM Plex Mono", "IBM Plex Mono Fallback", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--text-xs:0.72rem;--text-s:0.845rem;--text-m:clamp(1rem, 0.97rem + 0.18vw, 1.0625rem);--text-l:clamp(1.18rem, 1.1rem + 0.4vw, 1.35rem);--text-xl:clamp(1.45rem, 1.32rem + 0.6vw, 1.75rem);--text-2xl:clamp(1.8rem, 1.55rem + 1.1vw, 2.35rem);--text-3xl:clamp(2.25rem, 1.8rem + 1.9vw, 3.2rem);--text-4xl:clamp(2.7rem, 2.05rem + 3vw, 4.3rem);--text-hero:clamp(3rem, 2.15rem + 4.2vw, 5.4rem);--leading-body:1.6;--leading-tight:1.06;--measure:68ch;--space-2xs:clamp(0.3rem, 0.26rem + 0.2vw, 0.45rem);--space-xs:clamp(0.5rem, 0.42rem + 0.36vw, 0.75rem);--space-s:clamp(0.85rem, 0.72rem + 0.55vw, 1.2rem);--space-m:clamp(1.4rem, 1.1rem + 1.1vw, 2.2rem);--space-l:clamp(2.2rem, 1.55rem + 2.7vw, 4.2rem);--space-xl:clamp(3.6rem, 2.2rem + 5.8vw, 7.5rem);--frame:min(92vw, 86rem);--frame-article:min(92vw, 76rem);--radius:2px}@font-face{font-family:newsreader fallback;src:local("Iowan Old Style"),local("Georgia");size-adjust:96%;ascent-override:95%;descent-override:26%;line-gap-override:0%}@font-face{font-family:libre franklin fallback;src:local("Helvetica Neue"),local("Arial");size-adjust:98%;ascent-override:90%;descent-override:23%;line-gap-override:0%}@font-face{font-family:ibm plex mono 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a{padding-block:.45rem;color:var(--ink-soft);text-decoration:none;border-bottom:2px solid transparent;transition:color 140ms ease,border-color 140ms ease}.site-nav a:hover,.site-nav a:focus-visible{color:var(--ink);border-bottom-color:var(--magenta)}.mobile-nav{display:none}.hero{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1fr)minmax(19rem,24rem);column-gap:clamp(2.5rem,5vw,5.5rem)}.hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:radial-gradient(color-mix(in srgb,var(--ink) 20%,transparent) 1px,transparent 1.6px);background-size:1.6rem 1.6rem;mask-image:radial-gradient(ellipse 68% 78% at 46% 42%,#000 22%,transparent 74%);-webkit-mask-image:radial-gradient(ellipse 68% 78% at 46% 42%,#000 22%,transparent 74%);pointer-events:none}.hero::after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:var(--rule-fade)}@property --veil-x{syntax: "<length>";
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  initial-value: -9999px;
}@property --veil-y{syntax: "<length>";
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  initial-value: -9999px;
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.glyph{margin-bottom:var(--space-xs)}.hero__inquiry h2{margin:0;font-family:var(--font-display);font-size:var(--text-2xl);font-size:clamp(1.7rem,1rem + 7cqi,2.35rem);font-weight:540;letter-spacing:-.03em;line-height:1.1}.hero__inquiry-note{max-width:34ch;margin:0;color:var(--ink-soft);font-size:var(--text-s)}.hero__legend{margin-top:calc(var(--space-m) * .75);padding-top:calc(var(--space-m) * .75);border-top:1px solid var(--hairline)}.legend{display:grid;gap:.4rem;margin:.5rem 0 0;padding:0;list-style:none}.legend__item{display:flex;align-items:center;gap:.6rem}.legend__item .glyph{margin-bottom:0}.legend__item .index__note{margin:0;font-size:var(--text-xs);line-height:1.4}.legend__item strong{font-weight:650}.hero__legend-note{max-width:36ch;margin:.7rem 0 0;color:var(--ink-soft);font-size:var(--text-xs);text-wrap:pretty}.glyph{position:relative;display:inline-block;flex:none}.glyph__c{position:absolute;width:63.64%;height:63.64%;border-radius:50%;background:color-mix(in srgb,var(--ink) 7%,transparent);transition:background-color 140ms ease}.glyph__c--h{top:0;left:18.18%;--sig:var(--magenta)}.glyph__c--p{top:18.18%;left:0;--sig:var(--violet)}.glyph__c--u{top:18.18%;left:36.36%;--sig:var(--amber)}.glyph__c--s{top:36.36%;left:18.18%;--sig:var(--teal)}.glyph__c.is-active{background:color-mix(in srgb,var(--sig) 32%,transparent)}.glyph__c:hover{z-index:2;background:color-mix(in srgb,var(--ink) 15%,transparent)}.glyph__c.is-active:hover{z-index:2;background:color-mix(in srgb,var(--sig) 65%,transparent)}.glyph--plain .glyph__c{pointer-events:none}.legend__item:hover .glyph--plain .glyph__c.is-active{background:var(--sig)}.glyph__key{position:absolute;z-index:20;top:calc(100% + .55rem);left:0;display:grid;gap:.28rem;width:max-content;padding:.65rem .85rem;border:1px solid var(--hairline-strong);border-radius:var(--radius);background:var(--field-raised);color:var(--ink-soft);font-family:var(--font-body);font-size:var(--text-xs);font-weight:500;letter-spacing:.01em;line-height:1.4;text-transform:none;opacity:0;visibility:hidden;transition:opacity 140ms ease 160ms,visibility 0s linear 300ms;pointer-events:none}.glyph:hover .glyph__key{opacity:1;visibility:visible;transition-delay:260ms}.glyph__key-row{display:flex;align-items:center;gap:.45rem;white-space:nowrap}.glyph__key-dot{width:.55rem;height:.55rem;border-radius:50%;background:color-mix(in srgb,var(--ink) 14%,transparent)}.glyph__key-row--h .glyph__key-dot{--sig:var(--magenta)}.glyph__key-row--u .glyph__key-dot{--sig:var(--amber)}.glyph__key-row--s .glyph__key-dot{--sig:var(--teal)}.glyph__key-row--p .glyph__key-dot{--sig:var(--violet)}.glyph__key-row.is-active{color:var(--ink);font-weight:650}.glyph__key-row.is-active .glyph__key-dot{background:var(--sig)}.glyph--draw:hover .glyph__key{opacity:0;visibility:hidden}.glyph--draw .glyph__c:hover~.glyph__key{opacity:1;visibility:visible;transition-delay:120ms}.glyph--draw .glyph__key .glyph__key-row{display:none}.glyph--draw .glyph__c--h:hover~.glyph__key .glyph__key-row--h,.glyph--draw .glyph__c--u:hover~.glyph__key .glyph__key-row--u,.glyph--draw .glyph__c--s:hover~.glyph__key .glyph__key-row--s,.glyph--draw .glyph__c--p:hover~.glyph__key .glyph__key-row--p{display:flex}.glyph-replay{display:block;width:max-content;padding:0;border:0;background:0 0;color:inherit;font:inherit}.glyph-replay:disabled{opacity:1}.glyph-replay:disabled .glyph--draw{cursor:default}.glyph--draw{cursor:pointer}@media(prefers-reduced-motion:no-preference){.glyph--draw .glyph__c{opacity:0;transform:scale(.55);animation:glyph-pop 650ms cubic-bezier(.2,.7,.3,1)forwards}.glyph--draw .glyph__c:nth-child(2){animation-delay:120ms}.glyph--draw .glyph__c:nth-child(3){animation-delay:240ms}.glyph--draw .glyph__c:nth-child(4){animation-delay:360ms}@keyframes glyph-pop{to{opacity:1;transform:scale(1)}}}.home-section{padding-block:var(--space-xl)}.hero+.home-section{padding-block-start:calc(var(--space-xl) * .55)}.home-section+.home-section{background-image:var(--rule-fade);background-repeat:no-repeat;background-size:100% 1px;background-position:top}.home-section--featured{padding-block-end:calc(var(--space-xl) * .5)}.home-section+.home-section--topic-feed{padding-block-start:calc(var(--space-xl) * .5);background-image:none}.section-heading{margin-bottom:var(--space-l);container-type:inline-size}.section-heading h2{max-width:24ch;margin:var(--space-xs)0 0;font-family:var(--font-display);font-size:var(--text-3xl);font-size:clamp(2.1rem,1.9rem + 1.5cqi,3.2rem);font-weight:500;letter-spacing:-.035em;line-height:1.06}.section-heading__note{max-width:58ch;margin:var(--space-s)0 0;color:var(--ink-soft);text-wrap:pretty}.index{margin:0;padding:0;list-style:none;border-top:1px solid var(--hairline-strong)}.index__row{display:grid;grid-template-columns:3.5rem minmax(0,1fr)minmax(15rem,20rem);gap:var(--space-m);align-items:start;padding-block:var(--space-m);border-bottom:1px solid var(--hairline)}.index__row:last-child{border-bottom:0}.index__glyph{padding-top:.35rem}.index__title{margin:.5rem 0 .4rem;font-family:var(--font-display);font-size:var(--text-xl);font-weight:540;letter-spacing:-.025em;line-height:1.12}.index__title a{text-decoration:none}.index__title a:hover,.index__title a:focus-visible{text-decoration:underline;text-decoration-color:var(--magenta);text-decoration-thickness:.06em}.index__arrow{display:inline-block;margin-left:.3em;color:var(--teal-deep);font-family:var(--font-body);font-size:.72em;transition:transform 140ms ease}a:hover .index__arrow,a:focus-visible .index__arrow{transform:translateX(.2em)}.index__note{max-width:58ch;margin:0;color:var(--ink-soft);font-size:var(--text-s);text-wrap:pretty}.index__paperwork{display:grid;gap:.45rem;align-content:start;justify-items:end;padding-top:.6rem;text-align:right}.index__paperwork .evidence{display:block;overflow-wrap:anywhere;margin:0;color:var(--ink-soft);font-size:var(--text-s)}.index__kind--magenta{color:color-mix(in srgb,var(--magenta) 72%,var(--ink))}.index__kind--teal{color:var(--teal-deep)}.index__kind--amber{color:var(--amber-deep)}.index__kind--violet{color:var(--violet)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-m)}.index-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--hairline);border-radius:var(--radius);background:var(--field-raised);transition:border-color 140ms ease}.index-card:hover,.index-card:focus-within{border-color:var(--hairline-strong)}.index-card__title a::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}.index-card .glyph{position:relative;z-index:1}.index-card__media{overflow:hidden;border-bottom:1px solid var(--hairline);border-radius:var(--radius)var(--radius)0 0}.index-card__media img{width:100%;height:auto;aspect-ratio:740/416;object-fit:cover;transition:transform 320ms ease}.index-card:hover .index-card__media img{transform:scale(1.025)}.index-card__body{display:flex;flex:1;flex-direction:column;padding:var(--space-s)var(--space-m)var(--space-m)}.index-card__kicker{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}.index-card__title{margin:0 0 .45rem;font-family:var(--font-display);font-size:var(--text-xl);font-weight:540;letter-spacing:-.025em;line-height:1.12}.index-card__title a{text-decoration:none}.index-card__title a:hover,.index-card__title a:focus-visible{text-decoration:underline;text-decoration-color:var(--magenta);text-decoration-thickness:.06em}.index-card .index__note{margin-bottom:var(--space-2xs)}.home-section__more{display:flex;justify-content:flex-end;margin:var(--space-m)0 0}.home-section__more a{padding-block:.35rem;border-bottom:2px solid color-mix(in srgb,var(--magenta) 45%,transparent);color:var(--ink);font-size:var(--text-m);font-weight:600;letter-spacing:.05em;text-decoration:none;text-transform:uppercase;transition:border-color 140ms ease}.home-section__more a:hover,.home-section__more a:focus-visible{border-bottom-color:var(--magenta)}.index-group{margin-bottom:var(--space-l)}.index-group__title{margin:0 0 var(--space-s);font-family:var(--font-display);font-size:var(--text-xl);font-weight:540;letter-spacing:-.02em}.article{width:var(--frame-article);margin-inline:auto;padding-block:var(--space-l)var(--space-xl)}.article-header{display:grid;grid-template-columns:minmax(0,46rem)minmax(15rem,20rem);justify-content:space-between;column-gap:clamp(2.5rem,5vw,5rem);align-items:start;padding-block:var(--space-l)var(--space-m)}.article-header__main{container-type:inline-size}.article-header__kicker{display:flex;align-items:center;gap:.8rem}.article-header h1{margin:var(--space-s)0 var(--space-m);font-family:var(--font-display);font-size:var(--text-4xl);font-size:clamp(2.4rem,1.5rem + 6.1cqi,4.3rem);font-weight:500;font-optical-sizing:auto;letter-spacing:-.04em;line-height:var(--leading-tight)}.article-header .standfirst{max-width:54ch;font-size:var(--text-l)}.article-hero{margin:0 0 var(--space-m)}.article-hero img{width:100%;border:1px solid var(--hairline-strong);border-radius:var(--radius);background:var(--field-raised)}.article-grid{display:grid;grid-template-areas:"prose rail";grid-template-columns:minmax(0,46rem)minmax(15rem,20rem);justify-content:space-between;column-gap:clamp(2.5rem,5vw,5rem);background-image:var(--rule-fade);background-repeat:no-repeat;background-size:100% 1px;background-position:top;padding-top:var(--space-l)}.article-grid--without-toc{grid-template-areas:"prose";grid-template-columns:minmax(0,46rem);justify-content:start}.article-rail{grid-area:rail;position:relative;border-left:1px solid var(--hairline);padding-left:clamp(1.25rem,2vw,2rem)}.rail-marker{position:absolute;top:0;left:-.3rem;width:.6rem;height:.6rem;border:2px solid var(--field);border-radius:50%;background:var(--teal);box-shadow:0 0 0 1px var(--hairline-strong)}@supports(animation-timeline:scroll()){.rail-marker{animation:rail-travel auto linear both;animation-timeline:scroll(root)}@keyframes rail-travel{from{top:0}to{top:calc(100% - .6rem)}}}.article-context{align-self:start;margin-top:.4rem;border-left:1px solid var(--hairline);padding-left:clamp(1.25rem,2vw,2rem)}.article-context__grid{display:grid;gap:var(--space-s);align-content:start}.article-context__summary{cursor:pointer;list-style:none}.article-context__summary::-webkit-details-marker{display:none}.article-context__summary::after{display:inline-block;margin-left:.5rem;color:var(--magenta);content:"+"}.article-context__disclosure[open] .article-context__summary::after{content:"−"}.article-context__disclosure[open] .article-context__summary{margin-bottom:var(--space-s)}@supports selector(details::details-content){@media(min-width:44.0625rem){.article-context__summary{display:none}.article-context__disclosure::details-content{content-visibility:visible}.article-context__disclosure[open] .article-context__summary{margin-bottom:0}}}.article-context p{margin:0}.article-context__item p:not(.meta-label){margin-top:.2rem;overflow-wrap:anywhere;font-family:var(--font-mono);font-size:var(--text-s);font-variant-numeric:lining-nums tabular-nums}.article-toc{position:sticky;top:var(--space-m);max-height:calc(100svh - 2 * var(--space-m));overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-right:.5rem;font-size:var(--text-s)}.article-toc nav ul{margin:var(--space-xs)0 0;padding:0;list-style:none}.article-toc nav ul ul{margin:0;padding-left:.9rem}.article-toc li{max-width:26ch}.article-toc a{display:inline-block;padding-block:.22rem;color:var(--ink-soft);text-decoration:none}.article-toc a:hover,.article-toc a:focus-visible{color:var(--ink);text-decoration:underline;text-decoration-color:var(--magenta)}.article-toc a.is-current{color:var(--ink);text-decoration:underline;text-decoration-color:var(--magenta);text-decoration-thickness:.1em}.prose{grid-area:prose;max-width:46rem;counter-reset:fig}.prose>:first-child{margin-top:0}.prose p,.prose li{max-width:var(--measure);overflow-wrap:anywhere;font-variant-numeric:oldstyle-nums proportional-nums;text-wrap:pretty}.prose p{margin-block:0 1.3em}.prose h2,.prose h3,.prose h4{font-family:var(--font-display);font-weight:540;font-optical-sizing:auto;letter-spacing:-.025em;line-height:1.14;scroll-margin-top:2rem}.prose h2{margin:var(--space-l)0 var(--space-s);font-size:var(--text-2xl)}.prose h3{margin:var(--space-m)0 var(--space-xs);font-size:var(--text-xl)}.prose h4{margin:var(--space-m)0 var(--space-xs);font-size:var(--text-l)}.prose>ul,.prose>ol{margin-block:0 var(--space-m);padding-left:1.4em}.prose li{margin-block:.3em}.prose a{text-decoration-color:color-mix(in srgb,var(--teal-deep) 55%,transparent)}.prose a:hover{text-decoration-color:var(--magenta)}.prose dfn{font-style:inherit;text-decoration:underline dotted var(--hairline-strong);text-underline-offset:.2em;cursor:help}.prose blockquote{margin:var(--space-m)0;padding:.2rem 0 .2rem var(--space-m);border-left:2px solid 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