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var(--align-prose-text));margin-inline:var(--section-intro-margin-inline, auto);align-items:var(--section-intro-items, var(--align-prose-items))}.section-intro--align-left .section-intro-inner{text-align:left;align-items:flex-start}.section-intro--align-left .section-intro-overline{display:inline-flex;align-items:center;gap:var(--spacing-4)}.section-intro--align-left .section-intro-overline:before{content:var(--overline-stripe, "");display:inline-block;width:var(--spacing-8);height:1px;background-color:currentColor;flex:0 0 auto}.section-intro-title{text-wrap:var(--heading-wrap);max-width:var(--title-measure);font-size:var(--type-heading-2-size);line-height:var(--type-heading-2-line-height);letter-spacing:var(--type-heading-2-letter-spacing)}@media(max-width:767px){.section-intro-title{font-size:var(--type-heading-1-size-mobile, var(--type-heading-2-size));line-height:var(--type-heading-1-line-height-mobile, var(--type-heading-2-line-height))}}.section-intro--title-compact .section-intro-title{font-size:var(--type-heading-3-size);line-height:var(--type-heading-3-line-height);letter-spacing:var(--type-heading-3-letter-spacing);max-width:none}.section-intro--title-compact .section-intro-inner{gap:var(--spacing-3)}@media(max-width:767px){.section-intro--title-compact .section-intro-title{font-size:var(--type-heading-3-size-mobile, var(--type-heading-3-size));line-height:var(--type-heading-3-line-height-mobile, var(--type-heading-3-line-height))}}.section-intro--title-hero .section-intro-title{font-size:var(--type-display-size);line-height:var(--type-display-line-height);letter-spacing:var(--type-display-letter-spacing)}@media(max-width:767px){.section-intro--title-hero .section-intro-title{font-size:var(--type-display-size-mobile, var(--type-display-size))}.section-intro-title,.section-intro-lead{overflow-wrap:break-word;hyphens:auto}}.section-intro-lead{color:var(--section-fg-muted);max-width:var(--container-prose)}.section-intro--reveal .section-intro-overline,.section-intro--reveal .section-intro-title,.section-intro--reveal .section-intro-lead{opacity:0;transform:translateY(20px);animation:sectionIntroReveal both linear;animation-timeline:view();will-change:opacity,transform}.section-intro--reveal .section-intro-overline{animation-range:entry 20% entry 55%}.section-intro--reveal .section-intro-title{animation-range:entry 30% entry 65%}.section-intro--reveal .section-intro-lead{animation-range:entry 40% entry 75%}@keyframes sectionIntroReveal{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@supports not (animation-timeline: view()){.section-intro--reveal .section-intro-overline,.section-intro--reveal .section-intro-title,.section-intro--reveal .section-intro-lead{opacity:1;transform:none;animation:none}}@media(prefers-reduced-motion:reduce){.section-intro--reveal .section-intro-overline,.section-intro--reveal .section-intro-title,.section-intro--reveal .section-intro-lead{opacity:1;transform:none;animation:none}}.plas-parties{--parties-fg: var(--section-fg, var(--color-fg-default));--parties-bg: var(--section-bg, var(--color-bg-default));--parties-brand: var(--color-theme-text);--parties-muted: color-mix(in oklab, var(--parties-fg) 72%, var(--parties-bg));--parties-ring: light-dark( color-mix(in oklab, var(--parties-brand) 30%, transparent), color-mix(in oklab, var(--parties-brand) 45%, transparent) );--parties-hub-fill: light-dark( color-mix(in oklab, var(--parties-brand) 8%, var(--parties-bg)), color-mix(in oklab, var(--parties-brand) 16%, var(--parties-bg)) );--parties-hub: var(--spacing-20);position:relative;margin:0;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-8);color:var(--parties-fg)}.plas-parties-list{list-style:none;margin:0;padding:0;inline-size:100%;display:grid;grid-template-columns:minmax(0,1fr);gap:var(--spacing-8)}.plas-parties-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2);text-align:center}.plas-parties-icon{display:grid;place-items:center;inline-size:var(--spacing-12);block-size:var(--spacing-12);margin-block-end:var(--spacing-1);border-radius:var(--radius-full);border:1px solid var(--color-border-default);color:var(--parties-brand);background:color-mix(in oklab,var(--parties-brand) 8%,transparent)}.plas-parties-label{font-size:var(--type-body-lg-size);line-height:var(--type-body-lg-line-height);hyphens:manual}.plas-parties-text{max-inline-size:24ch;font-size:var(--type-body-size);line-height:var(--type-body-line-height);color:var(--parties-muted)}.plas-parties-hub{position:relative;display:grid;place-items:center;inline-size:var(--parties-hub);block-size:var(--parties-hub);border-radius:var(--radius-full);border:1px solid var(--parties-ring);background:var(--parties-hub-fill);z-index:1}.plas-parties-hub span{font-size:var(--type-heading-4-size);line-height:var(--type-heading-4-line-height);font-weight:var(--type-heading-4-weight);color:var(--parties-brand)}.plas-parties-hub:after{content:"";position:absolute;inset:-1px;border-radius:var(--radius-full);border:1px solid var(--parties-ring);opacity:0;animation:plas-parties-breathe 3s var(--motion-easing-out) infinite}@keyframes plas-parties-breathe{0%{transform:scale(1);opacity:.6}to{transform:scale(1.5);opacity:0}}@media(prefers-reduced-motion:reduce){.plas-parties-hub:after{animation:none;opacity:0}}@media(min-width:640px){.plas-parties{display:block}.plas-parties-hub{position:absolute;inset-block-start:50%;inset-inline-start:50%;transform:translate(-50%,-50%)}.plas-parties:before,.plas-parties:after{content:"";position:absolute}.plas-parties:before{inset-block:0;inset-inline-start:50%;inline-size:1px;background:linear-gradient(180deg,transparent,var(--parties-ring),transparent)}.plas-parties:after{inset-inline:0;inset-block-start:50%;block-size:1px;background:linear-gradient(90deg,transparent,var(--parties-ring),transparent)}.plas-parties-list{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0}.plas-parties-item{padding:var(--spacing-10) var(--spacing-6)}.plas-parties-item:nth-child(-n+2){justify-content:flex-end}}.plas-shift{margin:0 auto;inline-size:100%;color:var(--section-fg, var(--color-fg-default));--shift-fg: var(--section-fg, var(--color-fg-default));--shift-bg: var(--section-bg, var(--color-bg-default));--shift-brand: var(--color-theme-text);--shift-accent: var(--plas-icon-accent);--shift-border: var(--color-border-default);--shift-muted: color-mix(in oklab, var(--shift-fg) 72%, var(--shift-bg));--shift-before-fill: color-mix(in oklab, var(--shift-fg) 4%, transparent);--shift-before-tile: color-mix(in oklab, var(--shift-fg) 8%, transparent);--shift-after-fill: light-dark( color-mix(in oklab, var(--shift-accent) 6%, transparent), color-mix(in oklab, var(--shift-accent) 7%, transparent) );--shift-after-border: light-dark( color-mix(in oklab, var(--shift-brand) 22%, transparent), color-mix(in oklab, var(--shift-accent) 24%, transparent) );--shift-after-tile: light-dark( var(--color-bg-default), color-mix(in oklab, var(--shift-accent) 6%, transparent) );--shift-after-icon: light-dark(var(--shift-brand), var(--shift-fg));--shift-link: light-dark( color-mix(in oklab, var(--shift-brand) 26%, transparent), color-mix(in oklab, var(--shift-accent) 40%, transparent) );--shift-packet: light-dark( color-mix(in oklab, var(--shift-accent) 85%, var(--color-neutral-black)), var(--shift-accent) );--shift-event: var(--shift-brand);--shift-band-fill: light-dark( color-mix(in oklab, var(--shift-brand) 4%, var(--shift-bg)), color-mix(in oklab, var(--shift-brand) 8%, var(--shift-bg)) );--shift-band-ring: light-dark( color-mix(in oklab, var(--shift-brand) 24%, transparent), color-mix(in oklab, var(--shift-brand) 34%, transparent) );--shift-tangle-0: color-mix(in oklab, var(--shift-fg) 42%, transparent);--shift-tangle-1: color-mix(in oklab, var(--shift-brand) 55%, transparent);--shift-tangle-2: color-mix(in oklab, var(--shift-fg) 26%, transparent);--shift-cycle: 3s}.plas-shift-stage{position:relative;display:grid;grid-template-columns:minmax(0,1fr);justify-items:stretch;gap:var(--spacing-8)}@media(min-width:1024px){.plas-shift-stage{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:repeat(8,auto);column-gap:var(--spacing-20);row-gap:0}.plas-shift-stage>.plas-shift-panel{grid-row:1 / span 8;display:grid;grid-template-rows:subgrid}.plas-shift-stage:before{content:"";position:absolute;inset-inline-start:50%;inset-block:8%;inline-size:1px;background:linear-gradient(180deg,transparent,var(--shift-band-ring),transparent)}}.plas-shift-arrow{justify-self:center;display:grid;place-items:center;inline-size:var(--spacing-8);block-size:var(--spacing-8);border-radius:var(--radius-full);color:var(--shift-brand);background:var(--shift-bg);border:1px solid var(--shift-band-ring);transform:rotate(90deg)}@media(min-width:1024px){.plas-shift-arrow{position:absolute;inset-block-start:50%;inset-inline-start:50%;z-index:1;transform:translate(-50%,-50%)}}.plas-shift-panel{display:flex;flex-direction:column}.plas-shift-head{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-1);margin-block-end:var(--spacing-8);text-align:center}.plas-shift-sub{margin:0;text-wrap:balance;font-size:var(--type-body-sm-size);line-height:var(--type-body-sm-line-height);color:var(--shift-muted)}.plas-shift-title{display:flex;align-items:center;justify-content:center;gap:var(--spacing-2);margin:0;font-size:var(--type-heading-4-size);line-height:var(--type-heading-4-line-height);font-weight:var(--type-heading-4-weight)}.plas-shift-panel--before .plas-shift-title,.plas-shift-panel--before .plas-shift-title-icon{color:var(--shift-muted)}.plas-shift-panel--after .plas-shift-title-icon{color:var(--shift-accent)}.plas-shift-row,.plas-shift-routes{list-style:none;margin:0;padding:0;display:grid;gap:var(--spacing-2)}.plas-shift-row{grid-template-columns:repeat(5,minmax(0,1fr))}.plas-shift-routes{grid-template-columns:repeat(4,minmax(0,1fr))}.plas-shift-node{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2);text-align:center}.plas-shift-tile{display:grid;place-items:center;inline-size:var(--spacing-10);block-size:var(--spacing-10);border-radius:var(--radius-full)}.plas-shift-tile svg{inline-size:var(--spacing-5);block-size:var(--spacing-5)}.plas-shift-panel--before .plas-shift-tile{border:1px solid var(--shift-tangle-2);color:var(--shift-muted)}.plas-shift-panel--after .plas-shift-tile{background:var(--shift-after-tile);border:1px solid var(--shift-after-border);color:var(--shift-after-icon)}.plas-shift-label{font-size:var(--type-ui-sm-size);line-height:var(--type-ui-sm-line-height);hyphens:manual}.plas-shift-panel--before .plas-shift-label{color:var(--shift-muted)}.plas-shift-route{display:grid;place-items:center;block-size:100%;min-block-size:var(--spacing-10);padding:var(--spacing-1) var(--spacing-2);border:1px dashed color-mix(in oklab,var(--tone) 50%,transparent);border-radius:var(--radius-lg);background:color-mix(in oklab,var(--tone) 4%,transparent);color:var(--shift-fg);font-size:var(--type-ui-sm-size);line-height:var(--type-ui-sm-line-height);text-align:center;hyphens:manual}.plas-shift-routes{align-items:stretch;margin-inline:calc(10% - var(--spacing-5))}@media(min-width:1024px){.plas-shift-routes{align-self:stretch}.plas-shift-band{align-self:center}}.plas-shift-band{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-1);margin-inline:calc(10% - var(--spacing-5));padding:var(--spacing-2) var(--spacing-6);border:1px solid var(--shift-band-ring);border-radius:var(--radius-pill);background:linear-gradient(90deg,transparent,var(--shift-band-fill) 30%,var(--shift-band-fill) 70%,transparent);text-align:center}.plas-shift-band-name{font-size:var(--type-heading-4-size);line-height:var(--type-heading-4-line-height);font-weight:var(--type-heading-4-weight);color:var(--shift-brand)}.plas-shift-band-sub{font-size:var(--type-ui-sm-size);line-height:var(--type-ui-sm-line-height);color:var(--shift-muted)}.plas-shift-link{position:relative;container-type:inline-size;block-size:var(--spacing-12);margin-block:var(--spacing-1) 0}.plas-shift-strip{display:block;inline-size:100%;block-size:100%;overflow:visible}.plas-shift-strip path,.plas-shift-strip line{fill:none;vector-effect:non-scaling-stroke;stroke-width:1;stroke-linecap:round}.plas-shift-panel--before .plas-shift-strip path{stroke-dasharray:3 3}.plas-shift-panel--before .plas-shift-strip path{stroke:color-mix(in oklab,var(--tone) 48%,transparent)}.plas-shift-panel--after .plas-shift-strip line{stroke:var(--shift-link);stroke-width:1}.plas-shift-packet{--size: var(--spacing-3);--peak: .6;--travel: calc(var(--spacing-12) - var(--size));--inset: .16;--from-y: calc(var(--travel) * var(--inset));--to-y: calc(var(--travel) * (1 - var(--inset)));position:absolute;inset-block-start:0;inset-inline-start:var(--x);inline-size:var(--size);block-size:var(--size);margin-inline-start:calc(-.5 * var(--size));opacity:0;animation-duration:var(--shift-cycle);animation-timing-function:var(--motion-easing-in-out);animation-iteration-count:infinite;animation-delay:calc(var(--i) * 4 * var(--motion-stagger-default))}.plas-shift-packet.plas-shift-packet--call{color:var(--shift-packet)}.plas-shift-packet.plas-shift-packet--event{color:var(--shift-event)}.plas-shift-chev{display:grid;place-items:center;inline-size:100%;block-size:100%;line-height:0}.plas-shift-packet--event .plas-shift-chev{transform:rotate(180deg)}.plas-shift-packet--tangle .plas-shift-chev{transform:rotate(calc(atan2(var(--travel),var(--mx)) - 90deg + var(--flip)))}.plas-shift-packet--call.plas-shift-packet--leg1{animation-name:plas-shift-down-1}.plas-shift-packet--call.plas-shift-packet--leg2{animation-name:plas-shift-down-2}.plas-shift-packet--event.plas-shift-packet--leg1{animation-name:plas-shift-up-1}.plas-shift-packet--event.plas-shift-packet--leg2{animation-name:plas-shift-up-2}@keyframes plas-shift-down-1{0%{transform:translateY(var(--from-y));opacity:0}8%,30%{opacity:var(--peak)}40%,to{transform:translateY(var(--to-y));opacity:0}}@keyframes plas-shift-down-2{0%,52%{transform:translateY(var(--from-y));opacity:0}60%,82%{opacity:var(--peak)}92%,to{transform:translateY(var(--to-y));opacity:0}}@keyframes plas-shift-up-1{0%{transform:translateY(var(--to-y));opacity:0}8%,30%{opacity:var(--peak)}40%,to{transform:translateY(var(--from-y));opacity:0}}@keyframes plas-shift-up-2{0%,52%{transform:translateY(var(--to-y));opacity:0}60%,82%{opacity:var(--peak)}92%,to{transform:translateY(var(--from-y));opacity:0}}.plas-shift-packet.plas-shift-packet--tangle{--peak: .42;color:var(--tone);animation-name:plas-shift-tangle;animation-duration:var(--dur);animation-delay:var(--delay);animation-direction:var(--dir);animation-timing-function:var(--motion-easing-in-out)}@keyframes plas-shift-tangle{0%{transform:translate(calc(var(--mx) * var(--inset)),var(--from-y));opacity:0}18%,68%{opacity:var(--peak)}88%,to{transform:translate(calc(var(--mx) * (1 - var(--inset))),var(--to-y));opacity:0}}.plas-shift[data-measured] .plas-shift-packet{inset-block-start:calc(-.5 * var(--size))}@media(max-width:767px){.plas-shift-stage{gap:var(--spacing-6)}.plas-shift-head{margin-block-end:var(--spacing-5)}.plas-shift-label,.plas-shift-band-sub{display:none}.plas-shift-tile{inline-size:var(--spacing-8);block-size:var(--spacing-8)}.plas-shift-tile svg{inline-size:var(--spacing-4);block-size:var(--spacing-4)}.plas-shift-row{gap:var(--spacing-1)}.plas-shift-link{block-size:var(--spacing-10)}.plas-shift-routes{gap:var(--spacing-1);margin-inline:calc(10% - var(--spacing-4))}.plas-shift-route{min-block-size:var(--spacing-8);padding:var(--spacing-1);font-size:calc(var(--type-ui-sm-size) * .86)}.plas-shift-band{margin-inline:calc(10% - var(--spacing-4));padding:var(--spacing-1) var(--spacing-4)}.plas-shift-count{margin-block-start:var(--spacing-4)}.plas-shift-count-detail{display:none}}@media(prefers-reduced-motion:reduce){.plas-shift-packet.plas-shift-packet--call,.plas-shift-packet.plas-shift-packet--event,.plas-shift-packet.plas-shift-packet--tangle{animation:none;opacity:0}}.plas-shift-count{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;column-gap:var(--spacing-1);margin:var(--spacing-6) 0 0;font-size:var(--type-ui-sm-size);line-height:var(--type-ui-sm-line-height);color:var(--shift-muted);text-align:center}.plas-shift-count-value{font-size:var(--type-heading-4-size);line-height:var(--type-heading-4-line-height);font-weight:var(--type-heading-4-weight)}.plas-shift-panel--after .plas-shift-count-value{color:var(--shift-accent)}.plas-shift-panel--before .plas-shift-count-value{color:var(--shift-fg)}.plas-shift-count-detail:before{content:"·";margin-inline-end:var(--spacing-1)}.plas-shift-legend{list-style:none;margin:var(--spacing-3) 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:var(--spacing-1) var(--spacing-5);font-size:var(--type-ui-sm-size);line-height:var(--type-ui-sm-line-height);color:var(--shift-muted)}.plas-shift-legend strong{color:var(--shift-fg)}.plas-shift-legend-item{display:flex;align-items:center;gap:var(--spacing-2)}.plas-shift-legend-mark{display:grid;place-items:center;inline-size:var(--spacing-5);block-size:var(--spacing-5);border-radius:var(--radius-full)}.plas-shift-legend-mark.plas-shift-legend-mark--dashed{block-size:0;border-radius:0;border-block-start:1px dashed var(--shift-tangle-0)}.plas-shift-legend-mark.plas-shift-legend-mark--tones{display:flex;gap:var(--spacing-1);inline-size:auto}.plas-shift-legend-mark--tones>span{inline-size:var(--spacing-1);block-size:var(--spacing-3);border-radius:var(--radius-full);background:color-mix(in oklab,var(--tone) 80%,transparent)}.plas-shift-legend-item--call .plas-shift-legend-mark{color:var(--shift-packet);background:var(--shift-after-tile);transform:rotate(90deg)}.plas-shift-legend-item--event .plas-shift-legend-mark{color:var(--shift-event);background:var(--shift-band-fill);transform:rotate(-90deg)}.plas-model-payoff{max-inline-size:none;margin:var(--spacing-12) auto 0;text-align:center;text-wrap:balance;color:var(--section-fg, var(--color-fg-default))}.plas-site .split-statement{padding-block-end:var(--section-boundary-space)!important}