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var(--space-3);font-size:var(--text-sm);color:var(--color-text-subtle)}.section-shell>h2+.prose{margin-block-start:var(--space-6)}.arc-list{margin-block-start:var(--space-16)}.arc-step{grid-template-columns:var(--space-10) minmax(0, 1fr);column-gap:var(--space-5);padding-block-end:var(--space-12);display:grid;position:relative}.arc-step:before{content:"";inset-block:var(--space-12) 0;inline-size:var(--border-width);background:var(--color-border);position:absolute;inset-inline-start:calc(var(--space-10) / 2);transform:translate(-50%)}.arc-step:last-child{padding-block-end:0}.arc-step:last-child:before{display:none}.arc-number{z-index:1;inline-size:var(--space-10);block-size:var(--space-10);border:var(--border-width) solid 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var(--space-3);color:var(--color-text-muted);font-size:var(--text-xs);font-weight:var(--weight-medium);line-height:var(--leading-snug);overflow-wrap:anywhere;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.arc-links a:hover{border-color:var(--color-accent);color:var(--color-text)}.arc-arrow{z-index:1;padding:var(--space-1);background:var(--color-bg);color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-xs);line-height:var(--leading-tight);position:absolute;inset-block-end:calc(var(--space-12) / 2);inset-inline-start:calc(var(--space-10) / 2);transform:translate(-50%,50%)}.spotlight{min-inline-size:0;margin-block-start:var(--space-10);scroll-margin-block-start:var(--space-section)}.spotlight-header{min-inline-size:0;margin-block-end:0}.spotlight-header 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var(--space-4));margin:0 calc(-1 * var(--space-gutter)) var(--space-8);border-block-end:var(--border-width) solid var(--color-border-subtle);padding:var(--space-4) var(--space-gutter);background:var(--color-surface-raised);display:flex;position:sticky;inset-block-start:0}.reader-permalink{min-block-size:var(--tap-size);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-medium);letter-spacing:.04em;transition:color var(--dur-fast) var(--ease-out);align-items:center;text-decoration:none;display:inline-flex}.reader-permalink:hover{color:var(--color-text)}.reader-permalink:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:var(--focus-offset)}.reader-close{inline-size:var(--tap-size);block-size:var(--tap-size);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;background:0 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var(--space-5);color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-semibold);letter-spacing:.14em;line-height:var(--leading-snug);text-transform:uppercase}.reader-study>.reader-meta{color:var(--color-text-body);overflow-wrap:anywhere;margin-block-end:var(--space-4)}.reader-meta-number{color:var(--color-accent);font-weight:var(--weight-semibold)}.reader-meta-topics{color:var(--color-text-subtle);font-weight:var(--weight-normal);text-transform:lowercase}.reader-meta-topic{white-space:nowrap}.reader-title{color:var(--color-text);font-family:var(--font-display);font-size:var(--text-2xl);font-weight:var(--weight-bold);letter-spacing:var(--tracking-heading);line-height:var(--leading-tight);overflow-wrap:anywhere;text-wrap:balance}.reader-study>.reader-title{margin:0 0 var(--space-10)}.reader-study>.reader-title:has(+.reader-dek:not([hidden])){margin-block-end:var(--space-6)}.reader-study>.reader-dek{margin:0 0 var(--space-10)}.reader-study>.reader-dek[hidden]{display:none}.reader-prose{min-inline-size:0;max-inline-size:100%}.reader-prose>:first-child{margin-block-start:0}.reader-prose>:last-child{margin-block-end:0}.reader-prose .media-exhibit,.reader-prose .diagram-exhibit,.reader-prose .concept-diagram{inline-size:auto;max-inline-size:100%;position:static;inset:auto;transform:none}.reader-prose img,.reader-prose video,.reader-prose svg{block-size:auto;max-inline-size:100%}.reader-prose .expressive-code,.reader-prose pre{min-inline-size:0;max-inline-size:100%}.reader-navigation{gap:var(--space-4);border-block-start:var(--border-width) solid var(--color-border-subtle);font-family:var(--font-mono);font-size:var(--text-sm);grid-template-columns:minmax(0,1fr);margin-block-start:var(--space-12);padding-block-start:var(--space-5);display:grid}@container (width>=40rem){.reader-navigation{grid-template-columns:repeat(2,minmax(0,1fr))}}.reader-navigation button{justify-content:flex-start;align-items:flex-start;gap:var(--space-1);min-inline-size:0;min-block-size:var(--tap-size);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:var(--color-surface);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-sm);line-height:var(--leading-snug);text-align:start;cursor:pointer;overflow-wrap:anywhere;flex-direction:column;display:flex}.reader-navigation [data-reader-direction=previous]{text-align:start;align-items:flex-start}.reader-navigation [data-reader-direction=next]{text-align:end;align-items:flex-end}.reader-navigation button:hover{border-color:var(--color-accent);background:var(--color-accent-surface);color:var(--color-text)}[data-reader-direction-kicker]{color:var(--color-text-subtle);font-size:var(--text-xs);font-weight:var(--weight-medium);letter-spacing:var(--tracking-label);line-height:var(--leading-snug);text-transform:uppercase}[data-reader-case-number]{color:var(--color-accent);font-size:var(--text-xs);font-weight:var(--weight-semibold);line-height:var(--leading-snug)}[data-reader-case-title]{max-inline-size:100%;color:var(--color-text);font-family:var(--font-display);font-size:var(--text-base);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-heading);line-height:var(--leading-snug);overflow-wrap:break-word;white-space:normal}@media (width<48rem){.reader{padding:0}.reader-shell{min-block-size:100%;inline-size:100%;box-shadow:none;border:0;border-radius:0;margin:0}}@media (prefers-reduced-motion:reduce){.reader[open] .reader-shell{animation:none}}[data-zoomable]{cursor:zoom-in}.lightbox{block-size:100%;max-block-size:100%;inline-size:100%;max-inline-size:100%;padding:var(--space-gutter);color:var(--color-text-body);cursor:zoom-out;background:0 0;border:0;margin:0}.lightbox::backdrop{background:var(--color-bg);opacity:.92}.lightbox__figure{justify-content:center;align-items:center;gap:var(--space-4);flex-direction:column;block-size:100%;inline-size:100%;margin:0;display:flex}.lightbox__figure>img{block-size:auto;inline-size:auto;max-inline-size:100%;max-block-size:calc(100% - var(--space-12));object-fit:contain;border-radius:var(--radius-md);box-shadow:var(--shadow-raised);display:block}.lightbox__caption{max-inline-size:var(--measure-prose);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-sm);line-height:var(--leading-snug);text-align:center;text-wrap:balance;margin:0}.lightbox__close{inline-size:var(--tap-size);block-size:var(--tap-size);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface-raised);color:var(--color-text);cursor:pointer;place-items:center;padding:0;display:grid;position:absolute;inset-block-start:var(--space-4);inset-inline-end:var(--space-4)}.lightbox__close svg{inline-size:var(--space-4);block-size:var(--space-4);fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round}.lightbox__close:hover{border-color:var(--color-accent)}.lightbox__close:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:var(--focus-offset)}}@layer prose{.expressive-code .ec-line .code{min-inline-size:0}.prose{min-inline-size:0;font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--weight-normal);line-height:var(--leading-body);color:var(--color-text-body);overflow-wrap:break-word;text-wrap:pretty}.prose:not(.content-grid),.prose.content-grid>:not(.wide,.full-bleed){max-inline-size:var(--measure-prose)}.prose--lede{font-size:var(--text-lg)}.prose--compact{--prose-flow:var(--space-4)}.prose>*+*,.prose :where(section,article,aside,li,blockquote,dd,details,figure):where(:not(.expressive-code *))>*+*{margin-block-start:var(--prose-flow)}.prose :is(li,dd){--prose-flow:var(--space-3)}.prose :is(h1,h2,h3,h4,h5,h6){color:var(--color-text);text-wrap:balance;margin-block-end:calc(var(--prose-flow) / 2)}.prose :is(h1,h2,h3,h4){font-family:var(--font-display)}.prose :is(h5,h6){font-family:var(--font-body)}.prose h1{font-size:var(--text-3xl);font-weight:var(--weight-bold);line-height:var(--leading-tight);letter-spacing:var(--tracking-heading)}.prose :is(h2,h3){font-weight:calc((var(--weight-semibold) + var(--weight-bold)) / 2)}.prose h2{border-block-end:var(--border-width) solid var(--color-border-subtle);font-size:calc((var(--text-xl) + var(--text-2xl)) / 2);line-height:var(--leading-tight);letter-spacing:-.02em;padding-block-end:var(--space-3)}.prose h3{font-size:var(--text-xl);line-height:var(--leading-snug);letter-spacing:-.01em}.prose :is(h4,h5,h6){font-weight:var(--weight-semibold);line-height:var(--leading-snug)}.prose h4{font-size:var(--text-lg)}.prose h5{font-size:var(--text-base)}.prose :is(h2,h3,h4)>.heading-anchor{inline-size:var(--tap-size);block-size:var(--tap-size);margin-block:calc((1lh - var(--tap-size)) / 2);border-radius:var(--radius-sm);color:var(--color-text-subtle);font-family:var(--font-mono);font-weight:var(--weight-medium);vertical-align:middle;opacity:0;transition:opacity var(--dur-fast) var(--ease-out);flex:none;justify-content:center;align-items:center;margin-inline-start:calc(-1 * var(--space-2));text-decoration:none;display:inline-flex}.prose :is(h2,h3,h4)>.heading-anchor:before{content:"#";font-size:var(--text-sm);line-height:1}.prose :is(h2,h3,h4):is(:hover,:focus-within)>.heading-anchor,.prose :is(h2,h3,h4)>.heading-anchor:focus-visible{opacity:1}.prose :is(h2,h3,h4)>.heading-anchor:is(:hover,:focus-visible){color:var(--color-accent)}.prose :is(h2,h3,h4)>.heading-anchor:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:calc(-1 * var(--focus-offset))}@media (hover:none){.prose :is(h2,h3,h4)>.heading-anchor{display:none}}.prose.reader-prose :is(h2,h3,h4)>.heading-anchor{display:none}.prose h6{font-size:var(--text-sm)}.prose :is(h2,h3):not(:first-child){margin-block-start:calc(var(--prose-flow) * 2)}.prose :is(h4,h5,h6):not(:first-child){margin-block-start:var(--space-10)}.prose :is(h1,h2,h3,h4,h5,h6)+*{margin-block-start:0}.prose[data-article-body]>h2:first-child{margin-block-start:var(--space-8)}[data-app=portfolio] :is(.article .prose[data-article-body],.reader-prose){counter-reset:prose-section}[data-app=portfolio] :is(.article .prose[data-article-body]>h2,.reader-prose>h3){align-items:center;gap:var(--space-3);font-size:calc((var(--text-xl) + var(--text-2xl)) / 2);line-height:var(--leading-tight);letter-spacing:-.02em;counter-increment:prose-section;border-block-end:0;padding-block-end:0;display:flex}[data-app=portfolio] :is(.article .prose[data-article-body]>h2,.reader-prose>h3):before{content:counter(prose-section, decimal-leading-zero);color:var(--color-accent-soft);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-semibold);letter-spacing:.08em;flex:none;line-height:1}[data-app=portfolio] :is(.article .prose[data-article-body]>h2,.reader-prose>h3):after{content:"";block-size:var(--border-width);background:var(--color-border-subtle);flex:1}[data-app=portfolio] :is(.article .prose[data-article-body]>h2,.reader-prose>h3)>.heading-text{min-inline-size:0}.prose li>.task-mark{block-size:1em;inline-size:1em;border:var(--border-width) solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);vertical-align:-.125em;margin-inline-end:var(--space-2);display:inline-block}.prose li>.task-mark[data-checked]{border-color:var(--color-accent);background-color:var(--color-accent)}.prose li>.task-mark[data-checked]:before{content:"";background-color:var(--color-bg);block-size:100%;inline-size:100%;display:block;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") 50%/80% no-repeat}.prose ul.contains-task-list{padding-inline-start:0;list-style:none}.prose strong{color:var(--color-text);font-weight:var(--weight-semibold)}.prose em{color:var(--color-text)}.prose a{color:var(--color-accent-soft);text-decoration-thickness:var(--border-width);text-underline-offset:.25em}.prose a:hover{text-decoration-color:currentColor}.prose :is(sup,sub){line-height:0}.prose :is(ul,ol):not([class]){--list-indent:calc(var(--space-8) + var(--space-1));padding-inline-start:var(--list-indent);list-style-type:""}.prose :is(ul,ol):not([class])>li{position:relative}.prose :is(ul,ol):not([class])>li:before{inline-size:var(--list-indent);line-height:inherit;position:absolute;inset-block-start:0;inset-inline-start:calc(-1 * var(--list-indent))}.prose ol:not([class])>li:before{content:counter(list-item) ".";color:var(--color-text-subtle);font-family:var(--font-mono);font-size:var(--code-inline-size);font-weight:var(--weight-medium);line-height:calc(var(--leading-body) * 1em / var(--code-inline-scale))}.prose ul:not([class]){--list-indent:var(--space-5)}.prose ul:not([class])>li:before{content:"";border-radius:var(--radius-pill);background:var(--color-text-subtle);block-size:.3em;inline-size:.3em;inset-block-start:calc(.5lh - .1em)}.prose li+li,.prose li>:is(ul,ol){margin-block-start:var(--space-3)}.prose :is(ul,ol)+*{margin-block-start:var(--space-8)}.prose dt{color:var(--color-text);font-weight:var(--weight-semibold)}.prose dd{margin-inline-start:var(--space-6)}.prose dd+dt{margin-block-start:var(--space-3)}.prose blockquote{border-inline-start:calc(var(--border-width) * 3) solid var(--color-accent);color:var(--color-text-muted);padding-inline-start:var(--space-5)}.prose blockquote:not(:first-child),.prose blockquote+*{margin-block-start:var(--space-10)}.prose hr{border:0;border-block-start:var(--border-width) solid var(--color-border-subtle)}.prose hr:not(:first-child),.prose hr+*{margin-block-start:var(--space-12)}.prose hr:has(+:is(h2,h3)){display:none}.prose :is(img,video,svg,iframe){block-size:auto;max-inline-size:100%}.prose :is(img,video){border-radius:var(--radius-md)}.prose img{border:var(--border-width) solid var(--color-border-subtle);background:var(--color-surface)}.prose :is(img,figure):not(:first-child,.expressive-code *),.prose :is(img,figure):not(.expressive-code *)+*{margin-block-start:var(--space-8)}.prose figcaption:not(.expressive-code *){color:var(--color-text-subtle);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--weight-medium);line-height:var(--leading-snug);text-align:center;text-wrap:pretty;margin-block-start:var(--space-3)}.prose :not(pre)>code,.prose:not(pre)>code,:is(.case-card,.case-proof) :not(pre)>code{padding-block:calc(var(--space-1) / 4);padding-inline:var(--space-1);border:var(--border-width) solid var(--color-accent-border);border-radius:var(--radius-sm);background:var(--code-inline-bg);color:var(--code-inline-text);font-family:var(--font-mono);font-size:var(--code-inline-size);font-weight:var(--weight-normal);line-height:var(--leading-code-inline);white-space:nowrap}.prose :not(pre)>code[data-long],.prose:not(pre)>code[data-long],:is(.case-card,.case-proof) :not(pre)>code[data-long]{white-space:normal;overflow-wrap:anywhere;box-decoration-break:clone}.prose a[data-token-link]{text-decoration:none}.prose a[data-token-link]>code{border-color:var(--color-accent);transition:color var(--dur-fast) var(--ease-out)}.prose a[data-token-link]:is(:hover,:focus-visible)>code{color:var(--color-text)}.prose a[data-token-link]>span{color:var(--color-accent);font-family:var(--font-mono);font-size:var(--code-inline-size);transition:color var(--dur-fast) var(--ease-out);margin-inline-start:var(--space-1)}.prose a[data-token-link]:is(:hover,:focus-visible)>span{color:var(--color-text)}.prose td>a[data-token-link]{margin-block:calc(-1 * var(--space-2));padding-block:var(--space-2);display:inline-block}.prose kbd{padding-inline:var(--space-2);border:var(--border-width) solid var(--kbd-border);border-block-end-width:calc(var(--border-width) * 2);border-radius:var(--radius-sm);background:var(--kbd-bg);color:var(--color-text);font-family:var(--font-mono);font-size:var(--code-inline-size);font-weight:var(--weight-normal);white-space:nowrap}.prose kbd:has(>kbd){background:0 0;border:0;padding:0}.prose .expressive-code{inline-size:100%;min-inline-size:0;font-size:inherit}.prose .expressive-code .frame{border:var(--border-width) solid var(--code-border);border-radius:var(--radius-md);background:var(--code-bg);box-shadow:none;position:relative}.prose .expressive-code .frame .header{justify-content:flex-start;align-items:center;gap:var(--space-3);min-block-size:var(--tap-size);padding:0 calc(var(--space-5) + var(--space-8) + var(--space-2)) 0 var(--space-4);border:0;border-block-end:var(--border-width) solid var(--color-border-subtle);border-radius:var(--radius-md) var(--radius-md) 0 0;background:var(--code-toolbar-bg);color:var(--code-muted);display:flex}.prose .expressive-code .frame .header:before{content:"";inline-size:var(--space-12);block-size:var(--space-2);background:radial-gradient(circle, var(--color-text-muted) 42%, transparent 48%) 0 0 / var(--space-4) var(--space-2) repeat-x;opacity:1;border:0;flex:none;position:static;mask-image:none}.prose .expressive-code .frame .header:after{content:none}.prose .expressive-code .frame .title{min-inline-size:0;box-shadow:none;color:var(--code-muted);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-medium);line-height:var(--leading-snug);letter-spacing:0;text-overflow:ellipsis;text-transform:none;white-space:nowrap;background:0 0;border:0;border-radius:0;flex:0 auto;margin:0;padding:0;display:flex;position:static;overflow:hidden}.prose .expressive-code .frame .title-dir{text-overflow:ellipsis;flex:1 1 0;min-inline-size:2ch;overflow:hidden}.prose .expressive-code .frame .title-name{text-overflow:ellipsis;flex:0 auto;min-inline-size:0;overflow:hidden}.prose .expressive-code .frame .title:before,.prose .expressive-code .frame .title:after{content:none}.prose .expressive-code .frame .title:empty{display:none}.prose .expressive-code .frame pre{background:var(--code-bg);font-size:var(--code-font-size);line-height:var(--leading-code);overscroll-behavior-inline:contain;border:0;border-start-start-radius:0;border-start-end-radius:0;border-end-end-radius:var(--radius-md);border-end-start-radius:var(--radius-md);overflow-x:auto}.prose .expressive-code pre>code{padding-block:var(--space-3)}.prose .expressive-code pre::-webkit-scrollbar{block-size:calc(var(--space-2) + var(--space-1))}.prose .expressive-code pre::-webkit-scrollbar-track{background:var(--code-bg)}.prose .expressive-code 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div[aria-live]{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--weight-medium);line-height:var(--leading-snug);letter-spacing:.08em;text-transform:uppercase;align-self:stretch;align-items:center;display:flex}.prose .expressive-code .copy .feedback{block-size:var(--space-8);padding:0 var(--space-3);border:var(--border-width) solid var(--color-accent-border);border-radius:var(--radius-sm);background:linear-gradient(var(--color-accent-surface), var(--color-accent-surface)) var(--code-toolbar-bg);color:var(--color-accent);white-space:nowrap;transform:translate3d(var(--space-2), 0, 0);align-items:center;margin-inline-end:calc(var(--space-2) - var(--copy-control-inset));display:inline-flex}.prose .expressive-code .copy .feedback.show{transform:none}.prose .expressive-code .copy .feedback:after{display:none}.prose .expressive-code .copy button{inline-size:var(--tap-size);block-size:var(--tap-size);border-radius:var(--radius-sm);opacity:1;background:0 0}.prose 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table:not(:has(tr>:nth-child(4))) th{text-align:start;padding:0}.prose table:not(:has(tr>:nth-child(4))) th+th:before{content:"·";margin-inline-end:var(--space-2)}.prose table:not(:has(tr>:nth-child(4))) tbody tr+tr{border-block-start:var(--border-width) solid var(--color-border-subtle)}.prose table:not(:has(tr>:nth-child(4))) :is(td,tbody tr:last-child>td){text-align:start;border:0;inline-size:auto;padding:0}.prose table:not(:has(tr>:nth-child(4))) td+td{margin-block-start:var(--space-1)}}.prose details{padding-inline:var(--space-5);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.prose details[open]{padding-block-end:var(--space-4)}.prose summary{min-block-size:var(--tap-size);padding-block:var(--space-2);color:var(--color-text);font-weight:var(--weight-semibold);cursor:pointer;align-content:center;display:list-item}.prose details[open]>summary{border-block-end:var(--border-width) solid 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var(--color-accent)}.op-admonition:not(:first-child),.op-admonition+*{margin-block-start:var(--space-8)}.op-admonition--tip{--admonition-symbol:"✓"}.op-admonition--important{--admonition-symbol:"◆"}.op-admonition--warning,.op-admonition--caution,.op-admonition--danger,.op-admonition--critical{--admonition-symbol:"!"}.op-admonition__title{gap:var(--space-3);color:var(--color-text);font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--weight-semibold);line-height:var(--leading-snug);letter-spacing:-.005em;align-items:center;display:flex}.op-admonition__title+*{margin-block-start:var(--space-2)}.op-admonition__title:before{content:var(--admonition-symbol);inline-size:var(--space-6);block-size:var(--space-6);border:var(--border-width) solid 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var(--color-border-subtle);margin-block-start:var(--space-10);padding-block-start:var(--space-6);display:grid}@media (width>=48rem){.prose .series-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.prose .series-nav__next{text-align:end;grid-column:-2}}.prose .series-nav a{gap:var(--space-1);min-block-size:var(--tap-size);padding:var(--space-4);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);transition:border-color var(--dur-fast) var(--ease-out);flex-direction:column;text-decoration:none;display:flex}.prose .series-nav a:hover{border-color:var(--color-accent-border)}.prose .series-nav a:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:var(--focus-offset)}.prose .series-nav__label,.prose .series-nav__number{font-family:var(--font-mono);font-size:var(--text-xs);line-height:var(--leading-snug);letter-spacing:.14em;text-transform:uppercase}.prose 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