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.chain-stage{opacity:1;transform:none}.chain-window.is-pinned .chain-stage:before{transform:scaleY(var(--drawn,1));transform-origin:top}.chain-window.is-pinned .chain-stage>*{opacity:0;transition:opacity var(--duration-enter)var(--ease-strike)}.chain-window.is-pinned .chain-stage>.is-struck{opacity:1}.chain-row{gap:var(--space-3xs);display:grid}.chain-handover{gap:var(--space-sm);border-top:1px solid var(--rule);padding-top:var(--space-sm);display:grid}.chain-artefacts{margin-top:var(--space-2xs)}.chain-artefact-list{gap:var(--space-3xs);display:grid}.chain-artefact,.stage-mark{align-items:baseline;gap:var(--space-xs);display:flex}.artefact-test{gap:var(--space-3xs);margin-top:var(--space-2xs);padding-left:var(--space-sm);border-left:1px solid var(--rule);display:grid}.specimen{gap:var(--space-2xs);margin-top:var(--space-md);display:grid}.spec-mark{color:var(--annotation);fill:none;stroke:currentColor;stroke-width:1px}.spec-mark path{vector-effect:non-scaling-stroke}.spec-braced{gap:var(--space-2xs)var(--space-xs);grid-template-columns:9px minmax(0,1fr);display:grid}.spec-brace,.spec-trace{width:9px;height:100%}.spec-stations{padding-left:calc(9px + var(--space-xs));grid-auto-rows:1fr;display:grid;position:relative}.spec-trace{top:0;bottom:0;position:absolute;left:0}.spec-station{align-content:center;gap:var(--space-3xs);padding-block:var(--space-3xs);display:grid}.spec-fields{gap:var(--space-3xs);display:grid}.spec-fields dd{margin:0}@media (min-width:52rem){.spec-fields{gap:var(--space-2xs)var(--space-sm);grid-template-columns:8rem minmax(0,1fr);align-items:baseline}}.spec-entry-head{align-items:center;gap:var(--space-2xs);margin-bottom:var(--space-2xs);display:flex}.spec-revision{flex:none;width:.875rem;height:.75rem}.spec-superseded{text-decoration:line-through}.spec-note{margin-top:var(--space-2xs)}.dash{gap:var(--space-2xs);margin-top:var(--space-md);justify-self:stretch;display:grid}.dash-readout{gap:var(--space-2xs);margin-top:var(--space-sm);display:grid}.dash-head{align-items:baseline;gap:var(--space-2xs)var(--space-sm);flex-wrap:wrap;display:flex}.dash-line{width:100%;height:var(--space-sm);overflow:visible}.gloss-row{anchor-name:--gloss-row;gap:var(--space-2xs);margin-top:var(--space-md);display:grid}.gloss-list{gap:var(--space-2xs)var(--space-md);flex-wrap:wrap;display:flex}.gloss-term{padding:var(--space-3xs)0;color:var(--annotation);font:inherit;letter-spacing:inherit;text-transform:inherit;cursor:help;background:0 0;border:0;border-bottom:1px dotted}.gloss-body{top:anchor(--gloss-row bottom);right:anchor(--gloss-row right);bottom:auto;left:anchor(--gloss-row left);width:auto;max-width:46ch;margin:var(--space-2xs)0 0;padding:var(--space-xs)var(--space-sm);background:var(--ground);color:var(--text);border:1px solid var(--rule);box-shadow:var(--shadow-overlay);text-transform:none;letter-spacing:normal;opacity:0;transition:opacity var(--duration-state)var(--ease-state),display var(--duration-state)allow-discrete;position:absolute}.gloss-body:popover-open{opacity:1}@starting-style{.gloss-body:popover-open{opacity:0}}@supports not (top:anchor(--gloss-row bottom)){.gloss-body{margin:var(--space-sm);position:fixed;top:auto;bottom:0;left:0;right:auto}}.struck .gloss-body{background:var(--paper);color:var(--ink);border-color:var(--ink)}.fold-notfound{padding-top:max(4rem,min(10vw,9rem));padding-bottom:max(4rem,min(10vw,9rem))}.notfound-grid{gap:max(2rem,min(6vw,5rem));display:grid}@media (min-width:60rem){.notfound-grid{grid-template-columns:minmax(0,6fr) minmax(0,4fr);align-items:start}}.notfound-heading{margin-block:var(--space-md)var(--space-lg);max-width:16ch}.notfound-index{gap:var(--space-sm);align-content:start;display:grid}.carousel{margin-top:var(--space-md)}.slide-stem{display:block}.carousel-track{gap:var(--space-sm);overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;padding-bottom:var(--space-2xs);grid-auto-columns:calc(100% - 2.75rem);grid-auto-flow:column;display:grid;overflow-x:auto}.carousel-track::-webkit-scrollbar{display:none}.carousel-track:focus-visible{outline:2px solid var(--ring);outline-offset:6px}@media (min-width:40rem){.carousel-track{grid-auto-columns:100%}}@media (min-width:60rem){.carousel-track{gap:max(2rem,min(6vw,5rem))}}.slide{scroll-snap-align:start;min-width:0}.slide-question{margin-bottom:var(--space-xl);max-width:30ch}.ch{opacity:0}.ch.is-on{opacity:1}.ch.is-caret{position:relative}.ch.is-caret:after{content:"";background:var(--annotation);width:.07em;height:1em;animation:.9s step-end infinite caret-blink;position:absolute;top:.08em;right:-.14em}@keyframes caret-blink{0%,50%{opacity:1}51%,to{opacity:0}}[data-fade].is-pending{opacity:0}[data-fade].is-pending.is-in{opacity:1;transition:opacity var(--duration-state)var(--ease-state)}.collapse-answer{margin-top:var(--space-lg)}.carousel-controls{align-items:baseline;gap:var(--space-sm)var(--space-md);margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--rule);flex-wrap:wrap;display:flex}.carousel-questions{gap:var(--space-2xs)var(--space-md);flex-wrap:wrap;display:flex}.carousel-question{align-items:baseline;gap:var(--space-2xs);padding:var(--space-2xs)0;color:var(--muted);cursor:pointer;transition:color var(--duration-state)var(--ease-state);background:0 0;border:0;display:inline-flex}.carousel-question:hover,.carousel-question[aria-current=true]{color:var(--text)}.carousel-question-no{color:var(--annotation);font-variant-numeric:tabular-nums}.carousel-question[aria-current=true] .carousel-question-no:after{content:"";width:1.25rem;height:1px;margin-left:var(--space-2xs);vertical-align:middle;background:var(--annotation);display:inline-block}}@layer utilities{.\@container{container-type:inline-size}.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:-webkit-sticky;position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.font-display{font-family:var(--font-display)}.uppercase{text-transform:uppercase}.underline{-webkit-text-decoration-line:underline;text-decoration-line:underline}.shadow,.shadow-sm{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,rgba(0,0,0,.1)),0 1px 2px -1px var(--tw-shadow-color,rgba(0,0,0,.1));box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,)0 0 0 calc(1px + var(--tw-ring-offset-width))var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,)var(--tw-brightness,)var(--tw-contrast,)var(--tw-grayscale,)var(--tw-hue-rotate,)var(--tw-invert,)var(--tw-saturate,)var(--tw-sepia,)var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,-webkit-text-decoration-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}@supports not (animation-timeline:view()){[data-motion=armed] [data-reveal]{opacity:0;transform:translateY(.75rem)}[data-motion=armed] [data-reveal].is-in{opacity:1;transition:opacity var(--duration-enter)var(--ease-strike),transform var(--duration-enter)var(--ease-strike);transition-delay:calc(var(--i,0)*var(--stagger));transform:none}[data-motion=armed] [data-draw] .dim-line,[data-motion=armed] [data-draw] .dim-tick{transform-origin:0;transform:scaleX(0)}[data-motion=armed] [data-draw] .t-annotation{opacity:0}[data-motion=armed] [data-draw].is-in .dim-line,[data-motion=armed] [data-draw].is-in .dim-tick{transition:transform var(--duration-sequence)var(--ease-strike);transform:none}[data-motion=armed] [data-draw].is-in .t-annotation{opacity:1;transition:opacity var(--duration-enter)var(--ease-strike);transition-delay:calc(var(--duration-sequence)*.55)}}@supports (animation-timeline:view()){@media (prefers-reduced-motion:no-preference){[data-reveal]{animation:reveal-in var(--duration-enter)var(--ease-strike)both,reveal-out var(--duration-enter)var(--ease-state)both;animation-timeline:view(),view();animation-range:entry entry 14rem,exit}[data-draw]{view-timeline-name:--fold}[data-draw] .dim-line,[data-draw] .dim-tick{transform-origin:0;animation:draw-dimension var(--duration-sequence)var(--ease-strike)both;animation-timeline:--fold;animation-range:entry entry 14rem}[data-draw] .t-annotation{animation:annotation-land var(--duration-enter)var(--ease-strike)both;animation-timeline:--fold;animation-range:entry 7.5rem entry 17rem}}}[data-motion=armed] h1.t-display{font-variation-settings:"wght" var(--wght);animation:strike-weight var(--duration-sequence)var(--ease-strike)forwards}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.sheet-mark-head{view-transition-name:sheet-mark}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f7f4ef;--ink:#25201b;--struck:#c8331a;--ground:var(--paper);--text:var(--ink);--muted:#635c57;--rule:#8b8580;--annotation:#9e1901;--ring:var(--ink);--struck-hover:#ad1900;--struck-press:#9a1500;--struck-text:#700e00;--paper-hover:#fdfbf9;--space-3xs:.25rem;--space-2xs:.5rem;--space-xs:.75rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2rem;--space-xl:3rem;--space-2xl:4rem;--space-3xl:6rem;--fold-gap:clamp(4rem,9vw,8.5rem);--size-display:clamp(2.37rem,5.2vw,4.21rem);--size-headline:1.777rem;--size-title:1.333rem;--size-body:1rem;--size-annotation:.75rem;--leading-body:1.62;--leading-lift:0em;--ease-strike:cubic-bezier(.16,1,.3,1);--ease-settle:cubic-bezier(.25,1,.5,1);--ease-state:cubic-bezier(.33,1,.68,1);--duration-press:90ms;--duration-state:.16s;--duration-enter:.32s;--duration-sequence:.52s;--stagger:60ms;--shadow-overlay:0 8px 24px -6px rgba(37,32,27,.2),0 2px 6px -2px rgba(37,32,27,.14);--shadow-state:0 2px 6px -1px rgba(37,32,27,.16);--sheet-max:78rem;--measure:47ch}@supports (color:color(display-p3 0 0 0)){:root{--paper:color(display-p3 .966407 .957184 .939085);--ink:color(display-p3 .141471 .12576 .107803);--struck:color(display-p3 .723497 .249595 .157904);--muted:color(display-p3 .38333 .362259 .343386);--rule:color(display-p3 .540449 .521715 .504948);--annotation:color(display-p3 .568235 .154438 .0761052);--struck-hover:color(display-p3 .631032 .152156 .0600449);--struck-press:color(display-p3 .567153 .115796 .0259435);--struck-text:color(display-p3 .401089 .0964276 .0387351);--paper-hover:color(display-p3 .99142 .986413 .976578)}}@supports (color:lab(0% 0 0)){:root{--paper:lab(96.3112% .380278 2.79574);--ink:lab(12.6434% 1.69943 4.33081);--struck:lab(46.0204% 58.3882 50.5801);--muted:lab(39.6559% 2.06429 4.02272);--rule:lab(55.901% 1.69879 3.33731);--annotation:lab(34.5852% 52.4822 48.6309);--struck-hover:lab(37.8613% 58.7995 57.1394);--struck-press:lab(33.3074% 55.8012 54.012);--struck-text:lab(23.3354% 41.0721 35.3111);--paper-hover:lab(98.8528% .201315 1.50851)}}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ground:#1a120f;--text:var(--paper);--muted:#98908b;--rule:#6e6764;--annotation:#e6715b;--ring:var(--paper);--leading-lift:.07em;--shadow-overlay:0 10px 28px -6px rgba(8,4,3,.66)}@supports (color:color(display-p3 0 0 0)){:root:not([data-theme=light]){--ground:color(display-p3 .0962643 .0702687 .059593);--muted:color(display-p3 .591961 .567354 .548853);--rule:color(display-p3 .426771 .406209 .393316);--annotation:color(display-p3 .841657 .466472 .381356)}}@supports (color:lab(0% 0 0)){:root:not([data-theme=light]){--ground:lab(6.11068% 3.49138 2.89236);--muted:lab(60.5232% 2.34064 3.79462);--rule:lab(44.2779% 2.18406 2.96098);--annotation:lab(61.5542% 45.14 34.3256)}}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ground:#1a120f;--text:var(--paper);--muted:#98908b;--rule:#6e6764;--annotation:#e6715b;--ring:var(--paper);--leading-lift:.07em;--shadow-overlay:0 10px 28px -6px rgba(8,4,3,.66)}@supports (color:color(display-p3 0 0 0)){:root[data-theme=dark]{--ground:color(display-p3 .0962643 .0702687 .059593);--muted:color(display-p3 .591961 .567354 .548853);--rule:color(display-p3 .426771 .406209 .393316);--annotation:color(display-p3 .841657 .466472 .381356)}}@supports (color:lab(0% 0 0)){:root[data-theme=dark]{--ground:lab(6.11068% 3.49138 2.89236);--muted:lab(60.5232% 2.34064 3.79462);--rule:lab(44.2779% 2.18406 2.96098);--annotation:lab(61.5542% 45.14 34.3256)}}@property --wght{syntax:"<number>";inherits:false;initial-value:900}@keyframes strike-weight{0%{--wght:300}to{--wght:900}}@keyframes reveal-in{0%{opacity:0;transform:translateY(.75rem)}}@keyframes reveal-out{to{opacity:0;transform:translateY(-.75rem)}}@keyframes draw-dimension{0%{transform:scaleX(0)}}@keyframes annotation-land{0%{opacity:0}}:root:not(:active-view-transition-type(theme))::view-transition-group(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-settle)}:root:not(:active-view-transition-type(theme))::view-transition-old(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-settle)}:root:not(:active-view-transition-type(theme))::view-transition-new(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-settle)}:root:active-view-transition-type(theme)::view-transition-group(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-state)}:root:active-view-transition-type(theme)::view-transition-old(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-state)}:root:active-view-transition-type(theme)::view-transition-new(*){animation-duration:var(--duration-enter);animation-timing-function:var(--ease-state)}[data-theme-shift],[data-theme-shift] *,[data-theme-shift] :before,[data-theme-shift] :after{transition-property:background-color,color,border-color,fill,stroke;transition-duration:var(--duration-enter);transition-timing-function:var(--ease-state)}@media (prefers-reduced-motion:reduce){::view-transition-group(*){animation:none!important}::view-transition-old(*){animation:none!important}::view-transition-new(*){animation:none!important}[data-theme-shift],[data-theme-shift] *,[data-theme-shift] :before,[data-theme-shift] :after{transition-duration:var(--duration-state)!important}[data-motion=armed] [data-reveal],[data-motion=armed] [data-draw] .dim-line,[data-motion=armed] [data-draw] .dim-tick,[data-motion=armed] [data-draw] .t-annotation{opacity:1;transform:none}[data-motion=armed] [data-reveal].is-in{transition:opacity .15s linear}*,:before,:after{scroll-behavior:auto!important;transition-duration:.15s!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (pointer:coarse){.sheet-index-link,.footer-index-link,.footer-privacy,.carousel-question,.skip-link{padding-top:.85rem;padding-bottom:.85rem}.action-quiet,.gloss-term{align-items:flex-end;min-height:2.75rem;display:inline-flex}.link-block{align-items:center;min-height:2.75rem;display:inline-flex}.lockup-link{align-items:center;min-height:2.75rem;display:flex}.theme-toggle{width:2.75rem;height:2.75rem}}@media (prefers-reduced-motion:reduce){.carousel-track{scroll-behavior:auto}.ch,[data-fade].is-pending{opacity:1}.ch.is-caret:after{opacity:0;animation:none}}@media print{@page{margin:16mm}:root:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ground:var(--paper);--text:var(--ink);--muted:var(--ink);--rule:var(--ink);--annotation:var(--struck-text);--ring:var(--ink);--leading-lift:0em}.sheet{max-width:none;padding-left:0;padding-right:0}.fold{padding-block:var(--space-lg)}.struck{border:1px solid var(--struck);padding:var(--space-md)var(--space-sm);color:var(--ink);--text:var(--ink);--muted:var(--ink);--rule:var(--ink);--annotation:var(--struck-text);--ring:var(--ink);--leading-lift:0em;background:0 0}.action{border:1px solid var(--struck);color:var(--ink);box-shadow:none;background:0 0;flex-wrap:wrap}a[href^=http]:after{content:" (" attr(href)")"}.title-block{gap:var(--space-2xs)var(--space-lg);margin-bottom:var(--space-md);padding-block:var(--space-2xs);border-block:1px solid var(--ink);flex-wrap:wrap;display:flex!important}.title-block div{gap:var(--space-3xs);display:grid}.title-block dd{margin:0;font-weight:700}.lockup{-webkit-print-color-adjust:exact;print-color-adjust:exact}[data-reveal],[data-draw] .dim-line,[data-draw] .dim-tick,[data-draw] .t-annotation,.ch,[data-fade].is-pending{opacity:1;animation:none;transform:none}.carousel-track{display:block;overflow:visible}.slide+.slide{margin-top:var(--space-xl)}.gloss-list{display:block}.gloss{margin-top:var(--space-2xs)}.gloss-body{opacity:1;max-width:none;box-shadow:none;border:0;margin:0;padding:0;display:block;position:static}.skip-link,.theme-toggle,.carousel-controls,.sheet-mark-head,.ch.is-caret:after{display:none}.fold,.field,figure,.slide,.chain-stage,.spine-item,.collapse-row,.practice-row,.fit-list li,.site-footer{break-inside:avoid}h1,h2,h3,.sheet-mark,.title-block{break-after:avoid}p{orphans:3;widows:3}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 transparent}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 transparent}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 transparent}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 transparent}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 transparent}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}