.ar{padding-top:calc(var(--nav-h) + clamp(1.25rem, .9rem + 2vw, 3rem));padding-bottom:clamp(3rem,2rem + 4vw,6rem)}.ar a{text-underline-offset:.22em}.ar-crumbs{color:var(--color-ink-3);font-size:.8125rem}.ar-crumbs ol{flex-wrap:wrap;gap:.25rem .55rem;margin:0;padding:0;list-style:none;display:flex}.ar-crumbs li+li:before{content:"/";color:var(--color-rule-2);margin-right:.55rem}.ar-crumbs a{color:var(--color-ink-3)}.ar-crumbs a:hover{color:var(--color-ink)}.ar-crumbs [aria-current]{color:var(--color-ink-2)}@media (width<=767.98px){.ar-crumbs li:last-child:not(:first-child){flex-basis:100%}.ar-crumbs li:last-child:not(:first-child):before{content:none}}.ar-head{max-width:58rem;margin-top:clamp(1.75rem,1rem + 3vw,3.25rem)}.ar-kicker{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-3);flex-wrap:wrap;align-items:baseline;gap:.35rem 1.25rem;margin:0;font-size:.8125rem;font-weight:600;display:flex}.ar-kicker .ar-topic{color:var(--color-ink)}.ar-kicker time,.ar-kicker span:not(.ar-topic){font-family:var(--font-mono);letter-spacing:.02em;text-transform:none;font-size:.78rem;font-weight:400}.ar h1{font-family:var(--font-display);color:var(--color-ink);letter-spacing:-.02em;text-wrap:balance;margin:1.1rem 0 0;font-size:clamp(2.15rem,1.05rem + 3.9vw,4rem);font-weight:600;line-height:.98}.ar-lede{max-width:40rem;color:var(--color-ink-2);margin:1.5rem 0 0;font-size:clamp(1.15rem,1.05rem + .4vw,1.3rem);line-height:1.5}.ar-legend{border-top:1px solid var(--color-rule);max-width:40rem;color:var(--color-ink-3);margin:1.5rem 0 0;padding-top:1rem;font-size:.875rem;line-height:1.5}.ar .ar-hub-intro{max-width:40rem;color:var(--color-ink-2);margin:0 0 2.25rem;font-size:1.125rem;line-height:1.6}.ar-grid{grid-template-columns:minmax(0,1fr);gap:1.75rem;margin-top:clamp(1.75rem,1.2rem + 2.2vw,3.5rem);display:grid}@media (width>=1100px){.ar[data-article-mode=post] .ar-grid{grid-template-columns:13.5rem minmax(0,1fr);gap:clamp(2.5rem,1rem + 4vw,5rem)}}.ar-toc{border-top:1px solid var(--color-rule);border-bottom:1px solid var(--color-rule);min-width:0}.ar-toc summary{cursor:pointer;font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-3);justify-content:space-between;align-items:center;padding:.8rem 0;font-size:.78rem;font-weight:600;list-style:none;display:flex}.ar-toc summary::-webkit-details-marker{display:none}.ar-toc summary:after{content:"+";font-family:var(--font-mono);color:var(--color-ink-3);font-size:1rem}.ar-toc[open] summary:after{content:"−"}.ar-toc ol{counter-reset:ar-toc;margin:0;padding:0 0 .6rem;list-style:none}.ar-toc li{counter-increment:ar-toc}.ar-toc a{color:var(--color-ink-3);grid-template-columns:1.9rem minmax(0,1fr);align-items:baseline;gap:.4rem;padding:.5rem 0;font-size:.9375rem;line-height:1.3;text-decoration:none;display:grid}.ar-toc a:before{content:counter(ar-toc, decimal-leading-zero);font-family:var(--font-mono);color:var(--color-ink-4);font-size:.72rem}.ar-toc a:hover,.ar-toc a[aria-current]{color:var(--color-ink)}@media (width>=1100px){.ar-toc{top:calc(var(--nav-h) + 1.5rem);border-bottom:0;align-self:start;position:sticky}.ar-toc summary{pointer-events:none;cursor:default}.ar-toc summary:after{content:none}}.ar-body{min-width:0;max-width:68ch;color:var(--color-ink-2);counter-reset:ar-sec;hanging-punctuation:first;font-size:1.1875rem;line-height:1.7}.ar[data-article-mode=hub] .ar-body{max-width:62rem;font-size:1rem}.ar[data-article-mode=hub] .ar-grid{margin-top:clamp(1.5rem,1rem + 2vw,2.5rem)}.ar-sec{counter-increment:ar-sec;min-width:0}.ar-sec+.ar-sec{margin-top:clamp(3rem,2.2rem + 3vw,4.75rem)}.ar-body p{margin:1.25em 0 0}.ar-body h2{border-top:1px solid var(--color-rule);font-family:var(--font-display);letter-spacing:-.012em;color:var(--color-ink);text-wrap:balance;scroll-margin-top:calc(var(--nav-h) + 1rem);margin:0;padding-top:1.25rem;font-size:clamp(1.7rem,1.25rem + 1.6vw,2.35rem);font-weight:600;line-height:1.08;position:relative}.ar-body h2:before{content:counter(ar-sec, decimal-leading-zero);font-family:var(--font-mono);letter-spacing:.08em;color:var(--color-ink-4);margin-bottom:.85rem;font-size:.75rem;font-weight:400;display:block}.ar-body h2:after{content:"";background:var(--color-trace);width:2.5rem;height:1px;position:absolute;top:-1px;left:0}.ar-body h3{font-family:var(--font-display);color:var(--color-ink);margin:2.25rem 0 0;font-size:1.35rem;font-weight:600;line-height:1.2}.ar-body .ar-answer{color:var(--color-ink);margin-top:1.1rem;font-size:1.3125rem;font-weight:500;line-height:1.55}.ar-body strong{color:var(--color-ink);font-weight:600}.ar-body em{font-style:italic}.ar-body code{font-family:var(--font-mono);color:var(--color-ink);font-size:.86em}.ar-body a{color:var(--color-ink);text-decoration:underline;text-decoration-color:var(--color-rule-2);transition:text-decoration-color .16s var(--ease-out-quart)}.ar-body a:hover{text-decoration-color:var(--color-trace)}.ar-body ul,.ar-body ol{gap:.75em;margin:1.25em 0 0;padding:0;list-style:none;display:grid}.ar-body li{padding-left:1.6rem;position:relative}.ar-body ul>li:before{content:"";background:var(--color-ink-3);width:.8rem;height:1px;position:absolute;top:.86em;left:0}.ar-body ol{counter-reset:ar-ol}.ar-body ol>li{counter-increment:ar-ol;padding-left:2.4rem}.ar-body ol>li:before{content:counter(ar-ol, decimal-leading-zero);font-family:var(--font-mono);color:var(--color-ink-4);font-size:.8rem;position:absolute;top:.42em;left:0}.ar-num{color:var(--color-ink);font-variant-numeric:tabular-nums;white-space:nowrap;text-decoration:underline dotted;text-decoration-color:var(--color-trace-2);text-underline-offset:.3em;text-decoration-thickness:1px}.ar-callout{background:var(--color-ground-2);border-top:1px solid var(--color-rule-2);border-bottom:1px solid var(--color-rule);margin:2rem 0 0;padding:1.15rem 1.4rem 1.3rem}.ar-callout p{color:var(--color-ink);margin-top:.6em;font-size:1.1875rem;line-height:1.55}.ar-callout .ar-callout-k{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-3);margin:0;font-size:.78rem;font-weight:600}.ar-pull{border-top:1px solid var(--color-rule-2);border-bottom:1px solid var(--color-rule);margin:2.25rem 0 0;padding:1.25rem 0}.ar-pull p{font-family:var(--font-display);color:var(--color-ink);margin:0;font-size:1.3rem;font-weight:500;line-height:1.3}.ar-limits{margin-top:1.75rem}.ar .ar-limits-k{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-3);margin:0;font-size:.78rem;font-weight:600}.ar-verbatim{border-left:2px solid var(--color-trace);color:var(--color-ink-2);overflow-wrap:anywhere;margin:.9rem 0 0;padding:.15rem 0 .15rem 1.1rem;font-size:1.0625rem;line-height:1.6}.ar-end{background:var(--color-ground-2);border:1px solid var(--color-rule);padding:clamp(1.25rem,.9rem + 1.6vw,2.25rem)}.ar-end h2{border-top:0;padding-top:0}.ar-end h2:after{content:none}.ar-end-limits{border-style:dashed;border-color:var(--color-rule-2);background:0 0}.ar-end-you+.ar-end-limits,.ar-sec+.ar-end{margin-top:3rem}.ar-fig{background:var(--color-ground-2);border:1px solid var(--color-rule);margin:2.25rem 0 0;padding:1.25rem clamp(1rem,.6rem + 1.4vw,1.5rem) 1.1rem;font-size:1rem;line-height:1.5}.ar-fig figcaption{border-top:1px solid var(--color-rule);color:var(--color-ink-3);margin-top:1.1rem;padding-top:.9rem;font-size:.9375rem;line-height:1.55}.ar-fig figcaption p{font-size:inherit;margin-top:.6em}.ar-fig figcaption p:first-child{margin-top:0}.ar-fig figcaption a{color:var(--color-ink-2)}.ar .ar-bars,.ar .ar-key{margin:0;padding:0;list-style:none}.ar .ar-bars{gap:0;display:grid}.ar .ar-bars li,.ar .ar-key li{padding-left:0}.ar .ar-bars li:before,.ar .ar-key li:before{content:none}.ar-row{border-top:1px solid var(--color-rule);grid-template-columns:minmax(4.6rem,7.25rem) minmax(0,1fr);align-items:center;gap:0 .9rem;padding-block:.4rem;display:grid}.ar-row:first-child{border-top:0}.ar-row-label{font-family:var(--font-mono);color:var(--color-ink-3);font-size:.78rem;line-height:1.3}.ar-track{gap:3px;min-width:0;display:grid;position:relative}.ar-line{align-items:center;gap:.55rem;min-width:0;display:flex}.ar-bar{box-sizing:border-box;min-width:2px;height:.8rem;width:calc((100% - 4.4rem) * var(--f));background:var(--color-ink-2);flex:none;display:block}.ar-bar.is-hollow{border:1px solid var(--color-ink-3);background:0 0}.ar-val{font-family:var(--font-mono);color:var(--color-ink-2);font-variant-numeric:tabular-nums;flex:none;font-size:.75rem;line-height:1}.ar-val-note{font-family:var(--font-sans);color:var(--color-ink-3);font-size:.75rem}.ar-track.has-mark:before{content:"";top:-.4rem;bottom:-.4rem;left:calc((100% - 4.4rem) * var(--m));background:var(--color-trace);pointer-events:none;width:1px;position:absolute}.ar .ar-key{border-top:1px solid var(--color-rule);color:var(--color-ink-3);flex-wrap:wrap;gap:.4rem 1.4rem;margin-top:1rem;padding-top:.8rem;font-size:.8125rem;display:flex}.ar .ar-key li{align-items:center;gap:.5rem;display:inline-flex}.ar-bar-key{box-sizing:border-box;background:var(--color-ink-2);width:1.4rem;height:.7rem;display:inline-block}.ar-bar-key.is-hollow{border:1px solid var(--color-ink-3);background:0 0}.ar-mark-key{background:var(--color-trace);width:1px;height:.95rem;display:inline-block}.ar-prefix-row{grid-template-columns:minmax(4.6rem,6rem) minmax(0,1fr);align-items:center;gap:.9rem;margin-top:.7rem;display:grid}.ar-prefix-row:first-child{margin-top:0}.ar-prefix-who{font-family:var(--font-mono);color:var(--color-ink-3);font-size:.78rem}.ar-cells{grid-template-columns:repeat(6,minmax(0,1fr));gap:5px;display:grid}.ar-cell{aspect-ratio:3/2;box-sizing:border-box;border:1px solid var(--color-ink-3);display:block}.ar-cell.is-reused{background:var(--color-ink-2);border-color:var(--color-ink-2)}.ar-key .ar-cell{aspect-ratio:3/2;width:1.4rem;display:inline-block}.ar-brace{border-top:1px solid var(--color-ink-3);color:var(--color-ink-3);grid-column:1/span 4;margin-top:.1rem;padding-top:.4rem;font-size:.8125rem;line-height:1.35;position:relative}.ar-brace:before,.ar-brace:after{content:"";background:var(--color-ink-3);width:1px;height:7px;position:absolute;top:-4px}.ar-brace:before{left:0}.ar-brace:after{right:0}.ar-slots{grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;display:grid}.ar-slot{box-sizing:border-box;aspect-ratio:1/1.25;border:1px solid var(--color-ink-3);display:block}.ar-slot.is-in-order{background:var(--color-ink-2);border-color:var(--color-ink-2)}.ar-slot.is-early{background:repeating-linear-gradient(135deg, var(--color-ink-3) 0 2px, transparent 2px 5px)}.ar-slot.is-missing{border:1px dashed var(--color-ink);background:var(--color-ground)}.ar-slot.is-later{border:1px dotted var(--color-rule-2)}.ar-key .ar-slot{aspect-ratio:1/1.25;width:.95rem;display:inline-block}.ar-after{grid-template-columns:minmax(0,1fr);gap:2.75rem clamp(2rem,1rem + 4vw,5rem);margin-top:clamp(3.5rem,2.5rem + 4vw,6rem);display:grid}@media (width>=900px){.ar-after{grid-template-columns:repeat(2,minmax(0,1fr))}}.ar-after section{min-width:0}.ar-after h2{border-top:1px solid var(--color-rule-2);font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-3);margin:0 0 .25rem;padding-top:.9rem;font-size:.8125rem;font-weight:600}.ar-after ul{margin:0;padding:0;list-style:none}.ar-after li{border-bottom:1px solid var(--color-rule)}.ar-after li a{color:var(--color-ink);padding:.9rem 0;text-decoration:none;display:block}.ar-after li a:hover .ar-item-t{text-decoration:underline;text-decoration-color:var(--color-trace);text-underline-offset:.22em}.ar-item-t{font-family:var(--font-display);font-size:1.2rem;font-weight:600;line-height:1.2;display:block}.ar-item-d{color:var(--color-ink-3);margin-top:.35rem;font-size:.9375rem;line-height:1.5;display:block}.ar-after .ar-plain li{color:var(--color-ink-3);padding:.7rem 0;font-size:.9375rem;line-height:1.5}.ar-after .ar-plain li a{color:var(--color-ink);text-decoration:underline;text-decoration-color:var(--color-rule-2);text-underline-offset:.22em;padding:0;display:inline}.ar-after .ar-plain li a:hover{text-decoration-color:var(--color-trace)}.ar-after p{color:var(--color-ink-3);margin:.75rem 0 0;font-size:.9375rem;line-height:1.55}.ar-after .ar-more a{color:var(--color-ink-2);text-decoration:underline;text-decoration-color:var(--color-rule-2);text-underline-offset:.22em}.ar-after .ar-more a:hover{color:var(--color-ink);text-decoration-color:var(--color-trace)}.ar-cta{background:var(--color-ground-2);border:1px solid var(--color-rule);margin-top:clamp(3.5rem,2.5rem + 4vw,6rem);padding:clamp(1.5rem,1rem + 2.5vw,3rem)}.ar-cta h2{max-width:24ch;font-family:var(--font-display);letter-spacing:-.014em;color:var(--color-ink);text-wrap:balance;margin:0;font-size:clamp(1.7rem,1.2rem + 2vw,2.6rem);font-weight:600;line-height:1.05}.ar-cta p{max-width:46rem;color:var(--color-ink-2);margin:1rem 0 0;font-size:1.0625rem;line-height:1.6}.ar-cta .ar-cta-actions{flex-wrap:wrap;gap:.75rem;margin-top:1.75rem;display:flex}.ar .ar-cta a.btn{text-decoration:none}.ar .ar-cta a.btn-primary{color:var(--color-ground)}.ar .ar-index{border-top:1px solid var(--color-rule-2);margin:0;padding:0;list-style:none;display:block}.ar .ar-index>li{border-bottom:1px solid var(--color-rule);padding:0}.ar .ar-index>li:before{content:none}.ar .ar-index a{color:var(--color-ink);grid-template-columns:minmax(0,1fr);gap:.9rem 3rem;padding:clamp(1.4rem,1rem + 1.6vw,2.25rem) 0;text-decoration:none;display:grid}@media (width>=900px){.ar .ar-index a{grid-template-columns:11rem minmax(0,1fr)}}.ar .ar-index .ar-index-meta{font-family:var(--font-mono);color:var(--color-ink-3);flex-direction:column;gap:.35rem;margin:.35rem 0 0;font-size:.78rem;line-height:1.4;display:flex}.ar .ar-index .ar-index-meta .ar-topic{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-2);font-weight:600}.ar .ar-index h2.ar-index-t{font-family:var(--font-display);letter-spacing:-.014em;text-wrap:balance;color:var(--color-ink);border:0;margin:0;padding:0;font-size:clamp(1.55rem,1.15rem + 1.5vw,2.3rem);font-weight:600;line-height:1.05;position:static}.ar .ar-index h2.ar-index-t:before,.ar .ar-index h2.ar-index-t:after{content:none}.ar .ar-index p.ar-index-d{max-width:44rem;color:var(--color-ink-2);margin:.7rem 0 0;font-size:1.0625rem;line-height:1.55}.ar .ar-index a:hover h2.ar-index-t{text-decoration:underline;text-decoration-color:var(--color-trace);text-underline-offset:.18em;text-decoration-thickness:1px}@media (width<=767.98px){.ar-body{font-size:1.125rem}.ar-body .ar-answer{font-size:1.2rem}.ar-row{grid-template-columns:minmax(3.9rem,5.2rem) minmax(0,1fr);gap:0 .65rem}.ar-bar{width:calc((100% - 4.1rem) * var(--f))}.ar-track.has-mark:before{left:calc((100% - 4.1rem) * var(--m))}}