:root{color-scheme:light dark;--ds-ratio-phi: 1.618;--ds-size-base-px: 16px;--ds-size-base-rem: 1rem;--ds-space-0: 0;--ds-space-phi-000: .125rem;--ds-space-phi-00: .25rem;--ds-space-phi-0: .375rem;--ds-space-phi-1: .625rem;--ds-space-phi-2: 1rem;--ds-space-phi-3: 1.625rem;--ds-space-phi-4: 2.625rem;--ds-space-phi-5: 4.25rem;--ds-space-phi-6: 6.875rem;--ds-grid-unit: var(--ds-space-phi-4);--ds-grid-pair: 5.25rem;--ds-grid-columns-prose: 16;--ds-grid-columns-wide: 26;--ds-grid-columns-page: 42;--ds-content-target-width: 92vw;--ds-font-serif: "Source Serif 4", "Literata", ui-serif, Georgia, serif;--ds-font-sans: "IBM Plex Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--ds-font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--ds-font-size-caption: .625rem;--ds-font-size-meta: .75rem;--ds-font-size-body: 1rem;--ds-font-size-body-lg: 1.125rem;--ds-font-size-title-sm: 1.625rem;--ds-font-size-title-md: 2.625rem;--ds-font-size-title-lg: 4.25rem;--ds-line-tight: 1.08;--ds-line-heading: 1.16;--ds-line-body: 1.62;--ds-layout-major: 61.8%;--ds-layout-minor: 38.2%;--ds-measure-prose: 42rem;--ds-measure-wide: 68.25rem;--ds-measure-page: 110.25rem;--ds-breakpoint-xs: 26.25rem;--ds-breakpoint-sm: 42rem;--ds-breakpoint-md: 68.25rem;--ds-breakpoint-lg: 110.25rem;--ds-radius-none: 0;--ds-stroke-hairline: 1px;--ds-stroke-map: 1.5px;--ds-stroke-strong: 2px;--ds-icon-sm: 1rem;--ds-icon-md: 1.625rem;--ds-graph-node-sm: .625rem;--ds-graph-node-md: 1rem;--ds-graph-node-lg: 1.625rem;--ds-color-canvas: #f8f7f1;--ds-color-surface: #fffcf4;--ds-color-panel: #f0eee5;--ds-color-text: #141512;--ds-color-text-muted: #5f625a;--ds-color-line: #d8d3c6;--ds-color-line-strong: #8a8274;--ds-color-accent: #006d60;--ds-color-accent-contrast: #f8fff9;--ds-color-topic-a: #006d60;--ds-color-topic-b: #7a4d00;--ds-color-topic-c: #334f8f;--ds-color-focus: #111fdf}@supports (width: 1px){:root{--ds-grid-pair: calc(var(--ds-grid-unit) * 2);--ds-content-area-width: min( round(down, var(--ds-content-target-width), var(--ds-grid-pair)), var(--ds-measure-page) );--ds-measure-prose: calc( var(--ds-grid-unit) * var(--ds-grid-columns-prose) );--ds-measure-wide: calc(var(--ds-grid-unit) * var(--ds-grid-columns-wide));--ds-measure-page: calc(var(--ds-grid-unit) * var(--ds-grid-columns-page))}}@media(prefers-color-scheme:dark){:root{--ds-color-canvas: #11130f;--ds-color-surface: #171a15;--ds-color-panel: #20241d;--ds-color-text: #f3f0e7;--ds-color-text-muted: #aaa89f;--ds-color-line: #373a32;--ds-color-line-strong: #74786c;--ds-color-accent: #75d6c5;--ds-color-accent-contrast: #081613;--ds-color-topic-a: #75d6c5;--ds-color-topic-b: #f1c46f;--ds-color-topic-c: #9fb8ff;--ds-color-focus: 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var(--ds-color-line);color:var(--ds-color-text-muted);display:flex;font-family:var(--ds-font-mono);font-size:var(--ds-font-size-caption);grid-column:span 8;line-height:1.2;margin:0;max-width:none;padding-inline-start:var(--ds-space-phi-3);text-transform:uppercase}.ds-nav{align-items:stretch;display:grid;gap:0;grid-column:1 / span 16;grid-template-columns:repeat(4,minmax(0,1fr))}.ds-nav a{align-items:center;border-inline-start:var(--ds-stroke-hairline) solid var(--ds-color-line);color:var(--ds-color-text);display:inline-flex;font-family:var(--ds-font-mono);font-size:var(--ds-font-size-meta);justify-content:center;line-height:1;min-height:var(--ds-space-phi-5);padding:var(--ds-space-phi-0) var(--ds-space-phi-1);text-decoration:none;text-transform:uppercase}.ds-nav a:last-child{border-inline-end:var(--ds-stroke-hairline) solid var(--ds-color-line)}.ds-nav a:hover,.ds-nav a[aria-current=page]{background:var(--ds-color-panel);color:var(--ds-color-accent)}.ds-header-actions{align-items:stretch;display:grid;gap:0;grid-column:span 4;grid-template-columns:repeat(2,minmax(0,1fr))}.ds-header-action{align-items:center;color:var(--ds-color-text);display:inline-flex;height:100%;justify-content:center;min-height:var(--ds-space-phi-5);text-decoration:none;width:100%}.ds-header-action:hover{background:var(--ds-color-panel);color:var(--ds-color-accent)}.ds-header-action svg{height:var(--ds-icon-sm);width:var(--ds-icon-sm)}.ds-header-action 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-1)}.ds-card__mark{color:var(--ds-color-line-strong);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-title-sm);font-weight:700;justify-self:end;line-height:1}.ds-card__body{display:grid;gap:var(--ds-space-phi-1);max-width:var(--ds-measure-prose);min-width:0}.ds-card__eyebrow{color:var(--ds-color-accent);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-caption);font-weight:700;line-height:1.2;text-transform:uppercase}.ds-card__title{display:block;font-family:var(--ds-font-serif);font-size:var(--ds-font-size-title-sm);font-weight:650;line-height:var(--ds-line-heading)}.ds-card--feature .ds-card__title{font-size:var(--ds-font-size-title-md);line-height:var(--ds-line-tight)}.ds-card__meta{color:var(--ds-color-accent);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-meta);line-height:1.2;text-transform:uppercase}.ds-card__description{color:var(--ds-color-text-muted);line-height:1.48}@container ds-page (min-width: 42rem){.ds-section-header{grid-template-columns:repeat(auto-fill,minmax(var(--ds-grid-unit),1fr))}.ds-section-title,.ds-card--compact,.ds-card--signal,.ds-card--standard{grid-column:span 8}.ds-card--feature{grid-column:span 16}}@container ds-page (min-width: 68.25rem){.ds-section-title{grid-column:span 10}.ds-card--compact{grid-column:span 8}.ds-card--signal,.ds-card--standard{grid-column:span 10}.ds-card--feature{grid-column:span 16}.ds-card-grid--latest .ds-card{grid-column:span 12}}@container ds-page (min-width: 78.75rem){.ds-card-grid--content .ds-card--feature{grid-column:span 18}.ds-card-grid--content .ds-card--standard{grid-column:span 12}.ds-card-grid--latest .ds-card{grid-column:span 14}.ds-card-grid--routes .ds-card--compact{grid-column:span 10}}@container ds-page (min-width: 110.25rem){.ds-section-title{grid-column:span 12}.ds-card--compact{grid-column:span 10}.ds-card--signal,.ds-card--standard{grid-column:span 12}.ds-card--feature{grid-column:span 18}.ds-card-grid--latest 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a:hover{color:var(--ds-color-accent)}.ds-field-note__date,.ds-field-note__author,.ds-field-note__taxonomy{color:var(--ds-color-text-muted);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-meta);line-height:1.4;text-transform:uppercase}.ds-field-note__date,.ds-field-note__author,.ds-field-note__taxonomy,.ds-field-note__description{grid-column:2}.ds-field-note__taxonomy{display:flex;flex-wrap:wrap;gap:var(--ds-space-phi-00);list-style:none;margin:0;padding:0}.ds-field-note__taxonomy li{color:var(--ds-color-accent)}.ds-field-note__taxonomy li+li:before{color:var(--ds-color-line-strong);content:"/";padding-inline-end:var(--ds-space-phi-00)}.ds-field-note__description{color:var(--ds-color-text-muted);font-size:var(--ds-font-size-body);line-height:1.48;margin:var(--ds-space-phi-0) 0 0;max-width:var(--ds-measure-prose)}.ds-article-card{border-block-end:var(--ds-stroke-hairline) solid var(--ds-color-line);color:var(--ds-color-text);display:grid;gap:var(--ds-space-phi-1);padding-block:var(--ds-space-phi-3);text-decoration:none}.ds-article-card:hover{background:color-mix(in srgb,var(--ds-color-panel) 58%,transparent);color:var(--ds-color-text)}.ds-article-card__eyebrow{color:var(--ds-color-accent);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-caption);font-weight:700;text-transform:uppercase}.ds-article-card__title{font-family:var(--ds-font-serif);font-size:var(--ds-font-size-title-sm);font-weight:650;line-height:var(--ds-line-heading)}.ds-article-card__meta{color:var(--ds-color-accent);font-family:var(--ds-font-mono);font-size:var(--ds-font-size-meta);text-transform:uppercase}.ds-article-card__description{color:var(--ds-color-text-muted);max-width:var(--ds-measure-prose)}@container ds-page (min-width: 68.25rem){.ds-field-notes__header,.ds-field-note{column-gap:var(--ds-space-phi-2);grid-template-columns:var(--ds-grid-unit) 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var(--ds-color-line);min-width:0}.ds-footer-cell:first-child{border-inline-start:0}.ds-footer-cell{align-content:start;display:grid;gap:var(--ds-space-phi-00);padding:var(--ds-space-phi-2) var(--ds-space-phi-3)}.ds-footer-cell p:not(.ds-footer-heading){line-height:1.42;max-width:calc(var(--ds-grid-unit) * 6)}.ds-footer-cell--open{align-items:center;grid-template-columns:minmax(0,1fr) auto}.ds-footer-heading{color:var(--ds-color-text);font-size:var(--ds-font-size-caption);font-weight:700;line-height:1;text-transform:uppercase}.ds-footer-cell--license,.ds-footer-cell--commons{align-items:center;grid-template-columns:minmax(0,1fr) auto}.ds-footer-license-mark{align-items:center;border:var(--ds-stroke-hairline) solid var(--ds-color-line-strong);color:var(--ds-color-text);display:inline-flex;font-size:var(--ds-font-size-caption);font-weight:700;height:var(--ds-icon-md);justify-content:center;line-height:1;margin-inline-start:var(--ds-space-phi-2);text-decoration:none;width:var(--ds-space-phi-5)}.ds-footer-open-mark{color:var(--ds-color-line-strong);font-size:var(--ds-font-size-title-sm);line-height:1;margin-inline-start:var(--ds-space-phi-2)}.ds-footer-license-mark:hover,.ds-footer-top:hover{background:var(--ds-color-panel);color:var(--ds-color-accent)}.ds-footer-corners{color:var(--ds-color-line-strong);height:var(--ds-icon-md);margin-inline-start:var(--ds-space-phi-2);width:var(--ds-icon-md)}.ds-footer-corners path,.ds-footer-top path{fill:none;stroke:currentColor;stroke-linecap:square;stroke-linejoin:miter;stroke-width:var(--ds-stroke-map)}.ds-footer-top{align-items:center;color:var(--ds-color-line-strong);display:flex;flex-direction:column;gap:var(--ds-space-phi-00);justify-content:center;text-decoration:none;text-transform:uppercase}.ds-footer-top svg{height:var(--ds-icon-sm);width:var(--ds-icon-sm)}.ds-footer-top span{color:var(--ds-color-text);font-size:var(--ds-font-size-caption);font-weight:700;line-height:1}@media(min-width:68.25rem){.ds-page-title{font-size:var(--ds-font-size-title-lg)}}@container ds-page (min-width: 42rem){.ds-site-footer{grid-template-columns:repeat(2,minmax(0,1fr))}.ds-footer-top{grid-column:1 / -1;min-height:var(--ds-space-phi-5)}.ds-footer-cell:nth-child(3),.ds-footer-top{border-inline-start:0}}@container ds-page (min-width: 73.5rem){.ds-site-header__identity{grid-column:1 / span 12;grid-template-columns:repeat(12,minmax(0,1fr))}.ds-nav{grid-column:-15 / span 12}.ds-header-actions{grid-column:-3 / -1}.ds-site-footer{--ds-footer-primary-span: 7;--ds-footer-site-span: 5;--ds-footer-top-span: 2;grid-template-columns:repeat(auto-fill,minmax(var(--ds-grid-unit),1fr))}.ds-footer-cell--open,.ds-footer-cell--license,.ds-footer-cell--commons,.ds-footer-cell--temis,.ds-footer-top{border-inline-start:var(--ds-stroke-hairline) solid var(--ds-color-line);grid-column:auto}.ds-footer-cell--open{border-inline-start:0;grid-column:span var(--ds-footer-primary-span)}.ds-footer-cell--license,.ds-footer-cell--commons{grid-column:span var(--ds-footer-primary-span)}.ds-footer-cell--temis{grid-column:span var(--ds-footer-site-span)}.ds-footer-top{grid-column:span var(--ds-footer-top-span)}}@container ds-page (min-width: 78.75rem){.ds-site-footer{--ds-footer-top-span: 4}}@container ds-page (min-width: 84rem){.ds-site-footer{--ds-footer-primary-span: 8;--ds-footer-top-span: 3}}@container ds-page (min-width: 89.25rem){.ds-site-footer{--ds-footer-site-span: 6;--ds-footer-top-span: 4}}@container ds-page (min-width: 94.5rem){.ds-site-footer{--ds-footer-primary-span: 9;--ds-footer-top-span: 3}}@container ds-page (min-width: 99.75rem){.ds-site-footer{--ds-footer-site-span: 7;--ds-footer-top-span: 4}}@container ds-page (min-width: 105rem){.ds-site-footer{--ds-footer-primary-span: 10;--ds-footer-top-span: 3}}@container ds-page (min-width: 110.25rem){.ds-site-footer{--ds-footer-site-span: 8;--ds-footer-top-span: 4}}@container ds-page (max-width: 73.49rem){.ds-site-header{margin-block-end:var(--ds-space-phi-4)}.ds-brand,.ds-nav a,.ds-header-action{min-height:var(--ds-grid-unit)}}@container ds-page (max-width: 52.49rem){.ds-site-header{align-items:stretch;grid-template-columns:repeat(auto-fill,minmax(var(--ds-grid-unit),1fr))}.ds-site-header__identity{align-items:stretch;grid-column:1 / -3;grid-row:1;grid-template-columns:repeat(auto-fill,minmax(var(--ds-grid-unit),1fr))}.ds-brand{padding-inline:0 var(--ds-space-phi-1)}.ds-site-kicker{display:none}.ds-nav{grid-column:1 / -1;grid-row:2;width:100%}.ds-nav a{flex:1 1 auto;justify-content:center;padding-inline:var(--ds-space-phi-1)}.ds-header-actions{grid-column:-3 / -1;grid-row:1;grid-template-columns:repeat(2,minmax(0,1fr))}}@container ds-page (max-width: 41.99rem){.ds-site-footer{grid-template-columns:1fr}.ds-footer-cell,.ds-footer-top,.ds-footer-cell:nth-child(3){border-inline-start:0}.ds-footer-cell,.ds-footer-top{border-block-start:var(--ds-stroke-hairline) solid var(--ds-color-line)}.ds-footer-cell:first-child{border-block-start:0}.ds-footer-cell{padding-inline:var(--ds-space-phi-2)}}@media(max-width:42rem){.ds-page{padding-block-start:var(--ds-space-phi-2)}}.ds-flow>*+*{margin-block-start:var(--ds-space-phi-3)}.ds-cluster{align-items:center;display:flex;flex-wrap:wrap;gap:var(--ds-space-phi-1)}.ds-split{display:grid;gap:var(--ds-space-phi-4);grid-template-columns:minmax(0,var(--ds-layout-major)) minmax(16rem,var(--ds-layout-minor))}.ds-visually-hidden{clip:rect(0 0 0 0);border:0;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}@media(max-width:68rem){.ds-split{grid-template-columns:1fr}}