@property --bg{syntax:"<color>";inherits:true;initial-value:#fafafa}
@property --fg{syntax:"<color>";inherits:true;initial-value:#1d1d1f}
body{background:var(--bg);color:var(--fg)}
.pt-theme body,.pt-theme .pt-header{transition:background-color var(--theme-duration) linear,color var(--theme-duration) linear}
.pt-dark{--bg:var(--ink);--fg:var(--paper);--rule:rgba(255,255,255,.18);--theme-duration:.3s}
.pt-header{position:sticky;top:0;z-index:50;height:64px;background:var(--bg);color:var(--fg);font-size:var(--type-small)}
.pt-header-inner{padding:0 var(--page-gutter);height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.pt-brand{display:block;flex-shrink:0}.pt-brand img{width:auto;height:44px}.pt-theme .pt-brand img{filter:invert(var(--theme-progress,0))}
.pt-header nav{display:flex;align-items:center;gap:32px}.pt-task-link{color:var(--task)}.pt-dark .pt-task-link{color:#8ea2ff}
.pt-header a{transition:opacity .2s}.pt-header a:hover{opacity:.55}
.pt-header.pt-home-header{height:auto}.pt-home-header .pt-header-inner{display:block;width:calc(100% - 2 * var(--page-gutter));max-width:none;padding:calc(12 * var(--screen-unit)) 0 calc(16 * var(--screen-unit));margin:auto}
.pt-home-header .pt-brand{width:fit-content;margin-bottom:16px}.pt-home-header .pt-brand img{height:32px}
.pt-home-header nav{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:calc(24 * var(--screen-unit));padding-bottom:calc(10 * var(--screen-unit));font-size:clamp(28px,5vw,72px);font-weight:700;line-height:1.15;letter-spacing:-.035em}
.pt-home-header nav a,.pt-dark .pt-home-header .pt-task-link{color:inherit;white-space:nowrap;opacity:1}.pt-home-header nav a>span{display:inline-block}
.pt-nav-indicator{position:absolute;bottom:0;left:0;width:var(--nav-width,2em);height:calc(4 * var(--screen-unit));background:currentColor;transform:translateX(var(--nav-x,0px));transition:transform .4s cubic-bezier(.22,.61,.36,1),width .4s cubic-bezier(.22,.61,.36,1)}
.pt-footer{max-width:calc(980 * var(--screen-unit));margin:0 auto;padding:calc(32 * var(--screen-unit)) 0;font-size:var(--type-small);line-height:1.6;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:24px}.pt-footer>div{display:grid;gap:6px}.pt-footer>div>span{color:var(--color-muted);font-size:var(--font-size-caption)}.pt-footer nav{display:flex;gap:24px;align-items:start}
.pt-home{overflow-anchor:none;font-size:var(--type-body);line-height:1.65}.pt-section{width:calc(100% - 2 * var(--page-gutter));max-width:calc(1360 * var(--screen-unit));margin:0 auto;padding:64px 0;scroll-margin-top:calc(var(--header-height,64px) + 20px)}.pt-section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:36px}.pt-section-heading h2{font-size:var(--type-heading);line-height:1.3;font-weight:500;letter-spacing:-.025em}
.pt-contact{width:100%;max-width:none;margin:0;overflow:clip;height:calc(100svh - var(--header-height,160px));display:flex;flex-direction:column;justify-content:flex-start;padding:0}
.pt-contact-grid{flex-shrink:0;--tile-gap:calc(8 * var(--screen-unit));--grid-columns:3;list-style:none;display:grid;grid-template-columns:repeat(var(--grid-columns),minmax(0,1fr));gap:var(--tile-gap);margin:0;padding:0}

@media(min-width:688px){.pt-contact-grid{--grid-columns:6}}
@media(min-width:992px){.pt-contact-grid{--grid-columns:8}}
.pt-contact-cell[hidden]{display:none}
.pt-contact-cell{display:block;position:relative;min-width:0;aspect-ratio:1;overflow:hidden;color:var(--fg)}
.pt-frame{position:relative;height:100%;overflow:hidden}.pt-frame>img{width:100%;height:100%;object-fit:cover;border-radius:0}
.pt-type-square{position:absolute;inset:0;width:100%;height:100%;display:block;overflow:hidden;font-family:"Tile ExtraLight","Source Han Sans",sans-serif;font-weight:200;font-size:57px;letter-spacing:0;fill:#000;background:var(--paper);opacity:0;pointer-events:none}
.pt-contact-cell .pt-frame{transition:opacity 480ms cubic-bezier(.4,0,.2,1) 120ms}
.pt-contact-cell .pt-type-square{transform:translateY(3%);transition:opacity 260ms ease,transform 400ms cubic-bezier(.22,.61,.36,1)}
.pt-contact-cell.is-revealed .pt-frame,.pt-contact-cell:focus-visible .pt-frame{opacity:0;transition:opacity 320ms cubic-bezier(.4,0,.2,1)}
.pt-contact-cell.is-revealed .pt-type-square,.pt-contact-cell:focus-visible .pt-type-square{opacity:1;transform:translateY(0);transition:opacity 420ms cubic-bezier(.4,0,.2,1) 120ms,transform 420ms cubic-bezier(.22,.61,.36,1) 120ms}
@media(prefers-reduced-motion:reduce){.pt-contact-cell .pt-frame,.pt-contact-cell .pt-type-square{transition:none;transform:none}}
.pt-contact-cell:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.pt-archive{padding-top:48px;padding-bottom:24px}.pt-archive>.pt-section-heading{margin-bottom:56px}
.pt-archive>.pt-section-heading h2,.pt-course-scene>.pt-section-heading h2{font-size:clamp(72px,18vw,260px);font-weight:900;line-height:1.05;letter-spacing:-.06em;white-space:nowrap;margin-left:-.045em}
.pt-archive-body{display:grid;grid-template-columns:232px minmax(0,1fr);gap:32px;align-items:start}
.pt-category-dock{position:sticky;top:calc(var(--header-height,64px) + 32px);align-self:start;background:var(--bg);z-index:2}
.pt-category-nav{position:relative;display:flex;flex-direction:column;gap:12px}
.pt-category-nav a{width:fit-content;white-space:nowrap;font-size:16px;line-height:1.5;font-weight:400;color:#8b8b8b;transition:color .2s}
.pt-category-nav a[aria-current="location"],.pt-category-nav a:hover,.pt-category-nav a:focus-visible{color:var(--fg);text-decoration:none}
.pt-category-nav a[aria-current="location"]{font-weight:500}
.pt-category-indicator{position:absolute;left:0;top:0;width:var(--category-width,0px);height:2px;background:repeating-linear-gradient(to right,currentColor 0 6px,transparent 6px 10px);pointer-events:none;transform:translate(var(--category-x,0px),var(--category-y,0px));transition:transform .4s cubic-bezier(.22,.61,.36,1),width .4s cubic-bezier(.22,.61,.36,1)}
.pt-theme .pt-course-row{opacity:.48;transition:opacity .18s}
.pt-theme .pt-course-row.is-active{opacity:1}
.pt-archive-group{padding:12px 0;scroll-margin-top:calc(var(--header-height,64px) + 20px)}.pt-archive-group:first-child{padding-top:0}.pt-archive-group+.pt-archive-group{padding-top:12px}
.pt-index-row{display:grid;grid-template-columns:calc(96 * var(--screen-unit)) minmax(0,1fr);gap:calc(24 * var(--screen-unit));padding:calc(16 * var(--screen-unit)) 0;font-size:var(--type-small);line-height:1.5;align-items:baseline;position:relative;overflow-anchor:none}
.pt-date{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:var(--type-small);font-weight:400;color:inherit;opacity:.55}
.pt-index-copy.publication-copy{min-width:0;padding:0;display:flex;flex:none;gap:0;background:none}.pt-index-copy.publication-copy h4{margin:0;min-height:0}.pt-index-copy .title-primary,.pt-index-copy .title-secondary{display:inline;text-wrap:initial}.pt-index-copy .title-secondary{display:block;margin-top:.12em;margin-left:0}
.pt-row-subtitle{font-size:18px;line-height:1.4}
.pt-row-heading{display:flex;align-items:baseline;gap:calc(12 * var(--screen-unit));min-width:0}
.pt-row-heading h4{flex:0 1 auto;min-width:0}
.pt-index-copy .pt-row-author{flex:1 1 0;min-width:5em;max-width:35%;font-size:calc(14 * var(--screen-unit));font-weight:400;line-height:1.5;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--color-muted);visibility:visible;opacity:1}
.pt-theme .pt-index-row{opacity:1;color:var(--fg)}
.pt-theme .pt-index-row .title-primary{font-weight:400}.pt-theme .pt-index-row.is-active .title-primary{font-weight:700}
.pt-theme .pt-index-row .title-secondary{font-weight:400}.pt-theme .pt-index-row.is-active .title-secondary{font-weight:500}
.pt-index-row:hover h4,.pt-course-row:hover h3{text-decoration:none}
.pt-motion .pt-index-row{background:transparent}.pt-motion .pt-theme .pt-courses{background:transparent;color:inherit}.pt-theme .pt-courses::before{background:transparent}.pt-course-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;padding:32px 0;align-items:start}.pt-course-text{display:grid;grid-template-columns:calc(72 * var(--screen-unit)) minmax(0,1fr) calc(24 * var(--screen-unit));gap:calc(24 * var(--screen-unit));align-items:baseline}.pt-number{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:var(--type-small);font-weight:400;opacity:.5}.pt-course-text>.card-info{min-width:0;padding:0}.pt-course-text h3{margin:0}.pt-course-text p{margin:14px 0 0;color:inherit}.pt-course-poster{width:200px;justify-self:end}.pt-course-poster img{width:100%;height:auto;border-radius:0;max-height:320px;object-fit:contain;object-position:right top}
.pt-course-deck{display:none}.pt-motion .pt-course-body{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:calc(56 * var(--screen-unit));align-items:start}.pt-motion .pt-course-row{display:block;min-height:calc(104 * var(--screen-unit));padding:calc(24 * var(--screen-unit)) 0}.pt-motion .pt-course-row .pt-course-poster{display:none}.pt-motion .pt-course-deck{display:grid;position:sticky;top:calc(50svh - 180px);margin-top:32px}.pt-deck-image{position:relative;inset:auto;grid-area:1/1;align-self:start;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .4s}.pt-deck-image.is-active{opacity:1;visibility:visible;pointer-events:auto}.pt-deck-image:focus-visible{outline:1px solid currentColor;outline-offset:6px}.pt-deck-image>img{display:block;width:100%;height:auto;max-height:none;border-radius:0}
.pt-about .public-prose{margin-left:0}.pt-contacts{margin-top:48px;max-width:720px}.pt-contacts>a{display:grid;grid-template-columns:calc(96 * var(--screen-unit)) 1fr auto;gap:calc(24 * var(--screen-unit));border-top:1px solid var(--rule);padding:calc(20 * var(--screen-unit)) 0;font-size:var(--type-small)}.pt-contacts>a:hover>span:nth-child(2){text-decoration:underline;text-underline-offset:4px}
.pt-materials{padding-top:80px;padding-bottom:80px}.pt-materials h2{font-size:var(--type-heading);line-height:1.4;font-weight:500;margin-bottom:28px}
.pt-screen-page .pt-materials .pt-claim-input input{background:transparent;color:inherit;border:0;border-bottom:1px solid #777;padding-inline:0;outline:none;box-shadow:none;transition:border-color .2s}
.pt-screen-page .pt-materials .pt-claim-input input:focus{border-bottom-color:#fafafa;outline:none;box-shadow:none}
.pt-screen-page .pt-materials .pt-claim-input input::placeholder{color:#aaa}
.pt-screen-page .pt-materials .form-error{color:inherit}
.pt-claim-form{width:100%;max-width:calc(480 * var(--screen-unit))}.pt-claim-input{display:flex;gap:calc(12 * var(--screen-unit))}.pt-claim-input input{flex:1;min-width:0;height:calc(52 * var(--screen-unit));padding:0 16px;border:1px solid var(--color-border);border-radius:0;background:var(--color-surface);color:var(--color-ink);font:inherit;font-size:calc(16 * var(--screen-unit))}
.pt-claim-input button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-width:136px;padding:0 20px;background:var(--task);color:#fff;font-size:16px;text-decoration:none;border-radius:0}.pt-claim-input button:hover{text-decoration:none;filter:brightness(.94)}.pt-claim-input button:disabled{opacity:.65}.pt-claim-form .form-error{margin-top:12px;font-size:calc(14 * var(--screen-unit));min-height:1.5em}
.pt-article-number{font-variant-numeric:tabular-nums;margin-right:12px}.pt-season-title{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:40px}.pt-season-poster img{width:100%;height:auto;max-height:240px;object-fit:contain;object-position:right top;border-radius:0}.pt-lesson-table{margin-top:36px;font-size:var(--type-small);line-height:1.6}.pt-lesson-table>div{display:flex;gap:20px;border-top:1px solid var(--rule);padding:14px 0;align-items:baseline}.pt-lesson-table .pt-number{width:45px;flex-shrink:0}.pt-lesson-table>div>a:first-of-type{flex:1}.pt-lesson-table a:hover{text-decoration:underline;text-underline-offset:4px}.pt-not-found h1{font-size:var(--type-heading);margin-bottom:48px}
@media(max-width:1100px){.pt-archive-body{grid-template-columns:208px minmax(0,1fr);gap:24px}}
@media(max-width:960px){.pt-archive-body{display:block}}
@media(max-width:960px){.pt-category-dock{top:var(--header-height,64px);margin-bottom:20px}}
@media(max-width:960px){.pt-category-nav{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px 24px;padding:12px 0}}
@media(max-width:960px){.pt-category-nav a{font-size:16px}}
@media(max-width:700px){
 .pt-row-subtitle{font-size:20px}
}
@media(max-width:700px){
 .pt-header{height:56px}
}
@media(max-width:700px){.pt-header-inner{padding:0 var(--page-gutter);gap:12px;font-size:var(--font-size-caption)}
}
@media(max-width:700px){.pt-brand img{height:36px}
}
@media(max-width:700px){.pt-header nav{gap:16px}
}
@media(max-width:700px){
 .pt-home-header .pt-header-inner{padding:10px 0 12px}
}
@media(max-width:700px){.pt-home-header .pt-brand{margin-bottom:12px}
}
@media(max-width:700px){.pt-home-header nav{gap:8px;font-size:clamp(24px,7vw,38px);padding-bottom:8px}
}
@media(max-width:700px){.pt-nav-indicator{height:3px}
}
@media(max-width:700px){.pt-contact-grid{flex-shrink:0;--tile-gap:8px}
}
@media(max-width:700px){

 .pt-section{padding:40px 0;scroll-margin-top:calc(var(--header-height,56px) + 20px)}
}
@media(max-width:700px){.pt-section-heading{margin-bottom:28px}
}
@media(max-width:700px){.pt-archive{padding-top:32px;padding-bottom:12px}
}
@media(max-width:700px){.pt-archive>.pt-section-heading{margin-bottom:32px}
}
@media(max-width:700px){.pt-archive>.pt-section-heading h2,.pt-course-scene>.pt-section-heading h2{font-size:19vw}
}
@media(max-width:700px){
 .pt-category-dock{top:var(--header-height,56px)}
}
@media(max-width:700px){.pt-archive-group{padding:12px 0;scroll-margin-top:calc(var(--header-height,56px) + 112px)}
}
@media(max-width:700px){.pt-index-row{display:block;padding:14px 0}
}
@media(max-width:700px){.pt-date{display:block;margin-bottom:8px;font-size:var(--font-size-caption)}
}
@media(max-width:700px){.pt-expand{margin-left:0}
}
@media(max-width:700px){.pt-index-copy .pt-row-heading{display:contents}
}
@media(max-width:700px){.pt-index-copy .pt-row-author{order:1;flex:none;width:100%;min-width:0;max-width:none;margin-top:4px;font-size:14px}
}
@media(max-width:700px){
 .pt-courses{padding-top:32px}
}
@media(max-width:700px){
 .pt-course-row,.pt-motion .pt-course-row{display:flex;flex-direction:column-reverse;gap:24px;min-height:0;padding:28px 0}
}
@media(max-width:700px){.pt-motion .pt-course-body{display:block}
}
@media(max-width:700px){.pt-motion .pt-course-deck{display:none}
}
@media(max-width:700px){.pt-motion .pt-course-row .pt-course-poster{display:block}
}
@media(max-width:700px){.pt-course-poster{width:100%;max-width:220px;align-self:end}
}
@media(max-width:700px){.pt-course-poster:empty{display:none!important}
}
@media(max-width:700px){.pt-course-poster img{width:100%;max-height:45svh;object-position:right top}
}
@media(max-width:700px){.pt-course-text{grid-template-columns:48px minmax(0,1fr) 24px;gap:12px;width:100%}
}
@media(max-width:700px){.pt-course-text .pt-number{font-size:var(--font-size-caption)}
}
@media(max-width:700px){
 .pt-contacts>a{grid-template-columns:45px 1fr auto;gap:12px}
}
@media(max-width:700px){.pt-materials{padding:48px 0}
}
@media(max-width:700px){.pt-claim-input{gap:8px}
}
@media(max-width:700px){.pt-claim-input input{padding:0 10px;font-size:14px}
}
@media(max-width:700px){.pt-claim-input button{min-width:96px;padding:0 10px;gap:8px;font-size:14px}
}
@media(max-width:700px){.pt-footer{margin:0 var(--page-gutter);padding:24px 0;display:block}
}
@media(max-width:700px){.pt-footer nav{margin-top:24px;gap:24px}
}
@media(max-width:700px){.pt-season-title{grid-template-columns:1fr}
}
@media(max-width:700px){.pt-season-poster{max-width:180px}
}
@media(max-width:700px){.pt-season-poster:empty{display:none}
}
@media(max-width:700px){.pt-lesson-table>div{gap:12px}
}
@media(max-width:700px){.pt-lesson-table .pt-number{width:40px}
}
@media(prefers-reduced-motion:reduce){.pt-theme body,.pt-theme .pt-header,.pt-frame>img,.pt-text-frame,.pt-nav-indicator,.pt-category-indicator,.pt-theme .pt-course-row{transition:none}}

.pt-about .public-prose{color:inherit}
.pt-course-text .card-info .pt-course-intro{margin:8px 0 0;font-size:calc(14 * var(--screen-unit));line-height:1.6;font-weight:400;color:inherit}
.pt-course-text .card-info h3{color:inherit;font-size:calc(21 * var(--screen-unit));line-height:1.35;font-weight:600;letter-spacing:0}

.pt-screen-page{height:100svh;overflow:hidden;background:var(--bg)}
.pt-screen-page body,.pt-screen-page .pt-header{transition:none}
.pt-screen-page.pt-nav-theme-transition{transition:--bg .3s ease,--fg .3s ease}
@media(prefers-reduced-motion:reduce){.pt-screen-page.pt-nav-theme-transition{transition:none}}
.pt-screen-page body{height:100%;overflow:hidden;background:var(--bg)}
.pt-screen-page #app{height:100svh;display:flex;flex-direction:column}
.pt-screen-page .pt-header{flex:none}
.pt-screen-page .pt-home{flex:1;min-height:0}
.pt-screen-page .pt-home{height:calc(100svh - var(--header-height));overflow-y:auto;scroll-snap-type:none;scrollbar-width:none;overscroll-behavior-y:contain}
.pt-screen-page .pt-home::-webkit-scrollbar{display:none}
.pt-screen-page .pt-home>section{min-height:100%;scroll-margin:0;box-sizing:border-box}
.pt-screen-page .pt-home>.pt-contact{height:200%;min-height:200%;max-height:none;display:block;overflow:visible;padding:0}
.pt-contact-stage{position:sticky;top:0;height:var(--panel-height);padding:22svh 0 0;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;box-sizing:border-box}
.pt-screen-page .pt-section{padding:clamp(12px,2svh,28px) 0;background:transparent;color:var(--fg)}
.pt-screen-page .pt-home>.pt-courses{height:auto;min-height:100%;max-height:none;width:100%;max-width:none;padding:0 var(--page-gutter);position:relative;background:transparent;color:var(--fg);z-index:2}
.pt-screen-page .pt-course-scene>.pt-section-heading{height:calc(var(--panel-height) * .5);flex:none;align-items:center;margin:0}
.pt-course-scene{display:flex;flex-direction:column;overflow:visible}
.pt-materials-scene{width:100%;max-width:calc(480 * var(--screen-unit));margin-inline:auto;display:flex;flex-direction:column;gap:calc(32 * var(--screen-unit));will-change:transform,opacity}
.pt-materials-scene h2{margin:0}
.pt-materials-scene .pt-claim-form{position:relative}
.pt-claim-input button{transition:opacity .18s}
.pt-claim-input button:disabled{opacity:.55;cursor:default}
.pt-materials-scene .form-error{position:absolute;top:100%;left:0;right:0;margin-bottom:0}
.pt-screen-page .pt-home>.pt-archive{height:auto;min-height:100%;max-height:none;overflow:visible;padding:0}
.pt-screen-page .pt-section-heading{flex:0 0 auto;margin-bottom:20px}.pt-screen-page .pt-section-heading h2{margin-left:0}
.pt-screen-page .pt-archive>.pt-section-heading{height:calc(var(--panel-height) * .5);margin:0;align-items:center}
.pt-screen-page .pt-archive-body{align-items:start}
.pt-screen-page .pt-category-dock{position:sticky;top:12px;padding-top:12px;background:var(--bg)}
.pt-screen-page .pt-course-list{height:auto;min-height:var(--panel-height);overflow:visible;overflow-anchor:none;padding:calc(var(--panel-height) * .1) 0 calc(var(--panel-height) * .3)}
.pt-screen-page .pt-archive-groups{height:auto;overflow:visible;padding:0}
.pt-screen-page .pt-archive-group{min-height:var(--panel-height);padding:calc(var(--panel-height) * .1) 0 0;scroll-margin:0}
.pt-screen-page .pt-archive-group+.pt-archive-group{margin-top:0}
.pt-group-panel{min-height:calc(var(--panel-height) * .9);display:flex;flex-direction:column}
.pt-group-footer{padding:16px 0 0}
.pt-group-footer .pt-expand{margin:0;padding-inline:0;color:#777;font-weight:400;text-decoration:none}
.pt-group-footer .pt-expand:is(:hover,:focus-visible,:active){font-weight:700;color:#777;text-decoration:none}
.pt-group-end{flex:0 0 96px;display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;padding-top:calc(16 * var(--screen-unit));box-sizing:border-box;opacity:1;pointer-events:none}
.pt-group-end>svg{flex:none;width:calc(48 * var(--screen-unit));height:calc(32 * var(--screen-unit));fill:none;stroke:currentColor;stroke-width:.5;opacity:.55}
.pt-screen-page .pt-group-rows{flex:1;min-height:0;height:auto;overflow:visible;padding:0 0 32px}
.pt-screen-page .pt-archive-groups,.pt-screen-page .pt-course-list{--directory-edge-mask:linear-gradient(to bottom,transparent var(--mask-top,0px),#000 var(--mask-top-solid,64px),#000 var(--mask-bottom-solid,100%),transparent var(--mask-bottom,100%));mask-image:var(--directory-edge-mask)}
.pt-screen-page #archive-translations{min-height:0}
.pt-screen-page #archive-translations .pt-group-panel{min-height:0}
.pt-screen-page #archive-translations .pt-group-panel>.pt-group-rows{flex:none;display:block;padding:0 0 calc(16 * var(--screen-unit,1px))}
.pt-screen-page #archive-translations .pt-group-end{flex-basis:calc(64 * var(--screen-unit,1px))}
#archive-translations .pt-group-rows>div{margin-block:0}
.pt-screen-page.pt-motion .pt-archive-group:last-child .pt-group-end>svg{visibility:hidden}
@media(max-width:700px){.pt-group-footer{padding-left:0}}

.pt-screen-page .pt-course-body{--screen-unit:clamp(1px,.0925925926vw,3.55555556px);--type-small:calc(14 * var(--screen-unit));--font-size-caption:calc(12 * var(--screen-unit));height:auto;flex:none;min-height:var(--panel-height);overflow:visible;padding:16px 0}
.pt-screen-page .pt-course-list::-webkit-scrollbar,.pt-screen-page .pt-group-rows::-webkit-scrollbar{display:none}
.pt-screen-page .pt-course-deck{position:sticky;top:calc(var(--panel-height) * .1);width:100%;height:calc(var(--panel-height) * .8);min-height:0;max-height:none;margin:0;align-self:start;justify-self:end}
.pt-screen-page .pt-deck-image{display:flex;align-items:center;justify-content:flex-end;align-self:stretch;min-height:0;width:100%;height:100%}
.pt-screen-page .pt-deck-image>img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}
.pt-screen-page .pt-materials{height:calc(var(--panel-height) * 1.8);padding-block:0;display:block;overflow:visible}
.pt-materials-viewport{position:sticky;top:0;height:var(--panel-height);display:flex;align-items:center}
.pt-home.is-materials-landing .pt-materials-viewport{position:relative}
.pt-screen-page .pt-about{overflow:visible;display:flex;flex-direction:column;justify-content:safe center}
.pt-screen-page .pt-about>*{flex-shrink:0}
.pt-screen-page .pt-about .pt-contacts{margin-top:calc(24 * var(--screen-unit))}
@media(max-width:960px){.pt-screen-page .pt-archive-body{display:block}}
@media(max-width:960px){.pt-screen-page .pt-category-dock{top:0;height:var(--category-height);margin-bottom:calc(-1 * var(--category-height));padding-top:0}}
@media(max-width:960px){
.pt-screen-page .pt-archive-group{padding-top:calc(var(--category-height) + var(--panel-height) * .1)}}
@media(max-width:960px){.pt-screen-page .pt-archive-groups{height:auto}}
@media(max-width:700px){.pt-screen-page .pt-section-heading{margin-bottom:12px}}
@media(max-width:700px){.pt-screen-page .pt-course-body{display:block}}
@media(max-width:700px){.pt-screen-page .pt-course-row,.pt-screen-page.pt-motion .pt-course-row{display:block;padding:16px 0}}
@media(max-width:700px){.pt-screen-page .pt-course-row .pt-course-poster{display:none}}
@media(max-width:700px){.pt-screen-page .pt-course-deck{display:none}}
@media(max-width:700px){.pt-screen-page .pt-contacts>a{padding:12px 0}}
@media(max-height:560px){.pt-home-header .pt-brand{display:none}}
@media(max-height:560px){.pt-home-header nav{font-size:clamp(24px,6svh,40px)}}
@media(max-height:560px){.pt-screen-page .pt-section-heading h2{font-size:clamp(48px,15svh,84px)}}
@media(max-height:560px){.pt-screen-page .pt-section-heading{margin-bottom:12px}}
@media(max-height:560px){.pt-screen-page .pt-about .pt-contacts{margin-top:12px}}
@media(max-height:560px){.pt-materials-scene{gap:20px}}

.pt-symbol-motion{position:fixed;inset:0;z-index:51;pointer-events:none;overflow:hidden;color:var(--fg);visibility:hidden}
.pt-symbol-motion>svg{display:block;width:100%;height:100%;fill:currentColor;overflow:hidden}

.pt-about-symbol{display:block;width:clamp(88px,10vw,140px);height:auto;fill:currentColor;flex:none}
.pt-screen-page .pt-about-heading{margin-bottom:calc(28 * var(--screen-unit))}

.pt-course-row{position:relative}
.pt-course-open{display:block;align-self:center;justify-self:end;grid-column:3;grid-row:1;width:calc(24 * var(--screen-unit));height:calc(40 * var(--screen-unit));fill:none;stroke:currentColor;stroke-width:2;opacity:0}
.pt-course-row.is-active .pt-course-open{opacity:1}
#archive-translations .pt-group-end>svg{opacity:1}
.pt-screen-page .pt-claim-input button{position:relative;flex:none;width:calc(40 * var(--screen-unit));min-width:calc(40 * var(--screen-unit));height:calc(52 * var(--screen-unit));padding:0;background:transparent;color:inherit;border:0;gap:0}
.pt-screen-page .pt-claim-input button:hover{filter:none}
.pt-claim-arrow{display:block;width:calc(32 * var(--screen-unit));height:calc(52 * var(--screen-unit));fill:none;stroke:currentColor;stroke-width:2}
.pt-claim-input button:focus-visible{outline:2px solid currentColor;outline-offset:5px}
.pt-claim-input button[aria-busy=true] .pt-claim-arrow{visibility:hidden}
.pt-claim-input button[aria-busy=true]::after{content:"";position:absolute;width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:pt-claim-spin .8s linear infinite}

.pt-photo-poster{display:block;position:relative;aspect-ratio:3/4;width:100%;overflow:hidden}
.pt-deck-image:has(>.pt-photo-poster){display:flex;flex-direction:column;align-items:flex-end}
.pt-deck-image>.pt-photo-poster{flex:none;width:100%;height:auto;aspect-ratio:auto;margin-left:auto;overflow:visible}
.pt-photo-caption{display:block;margin-top:calc(10 * var(--screen-unit));font-size:calc(11 * var(--screen-unit));line-height:1.5;color:#999;text-align:left}
.pt-deck-image>.pt-photo-caption{width:100%}
.pt-photo-poster>img{position:absolute;inset:0;width:100%;height:100%;max-height:none;object-fit:cover;border-radius:0}
.pt-photo-poster.pt-photo-cyanotype>img{inset:auto;width:126.943%;max-width:none;height:auto;max-height:none;left:-9.067%;top:-8.743%}
.pt-deck-image>.pt-photo-poster>img{position:static;inset:auto;display:block;width:100%;height:auto;max-height:none}
.pt-reader .article-directory{left:var(--page-gutter);width:calc((100vw - 720px) / 2 - var(--page-gutter) - 28px);top:100px}
.pt-reader .article-toc-scroll a{font-weight:400;transition:color .28s ease,font-weight .28s ease}
.pt-reader .article-toc-scroll a:is(:hover,:focus-visible,[aria-current="location"]){font-weight:600}
.pt-reader .article-contents a{color:inherit;font-weight:400}
.pt-reader .article-contents a:is(:hover,:focus-visible,[aria-current="location"]){font-weight:600}
.pt-reader .article-directory a:focus-visible,.pt-reader .article-contents a:focus-visible{outline:1px solid currentColor;outline-offset:3px}
@media(min-width:1051px){.pt-reader .article-directory{display:block}}
@media(max-width:1050px){.pt-reader .article-directory{display:none}}
@media(prefers-reduced-motion:reduce){.pt-reader .article-toc-scroll a{transition:none}}
.pt-screen-page .pt-archive-body{display:block}
.pt-screen-page .pt-category-dock{top:0;height:var(--category-height);margin-bottom:calc(-1 * var(--category-height));padding-top:0;z-index:5}
.pt-screen-page .pt-category-nav{flex-direction:row;flex-wrap:nowrap;gap:clamp(20px,3vw,48px);overflow-x:auto;overflow-y:hidden;scrollbar-width:none;padding:calc(16 * var(--screen-unit)) 0 calc(18 * var(--screen-unit))}
.pt-screen-page .pt-category-nav::-webkit-scrollbar{display:none}
.pt-screen-page .pt-category-nav a{flex:none}
.pt-screen-page .pt-archive-group{padding-top:calc(var(--category-height) + var(--panel-height) * .1)}
.pt-screen-page .pt-archive-group+.pt-archive-group{padding-top:calc(var(--category-height) + 48px)}
.pt-screen-page .pt-about-heading{justify-content:flex-start;align-items:flex-end;gap:clamp(18px,2.2vw,36px)}
.pt-about-heading .pt-about-name{margin:0;font-family:"Tile ExtraLight",sans-serif;font-size:clamp(26px,5.3vw,72px);line-height:1.15;font-weight:200;letter-spacing:0;white-space:nowrap}
@media(max-width:480px){.pt-about-heading .pt-about-name{font-size:clamp(22px,5.6vw,27px)}}

.skip-link{top:0;transform:translateY(-150%)}.skip-link:focus{top:12px;transform:none}
.pt-credential-guide{display:block;max-width:calc(100% - 52 * var(--screen-unit,1px));margin:calc(14 * var(--screen-unit,1px)) calc(52 * var(--screen-unit,1px)) 0 auto;padding:0;border:0;background:none;color:#aaa;font-size:calc(12 * var(--screen-unit,1px));line-height:1.6;text-align:right;font-weight:400}
@media(max-width:700px){.pt-credential-guide{max-width:calc(100% - 48px);margin-right:48px}}
.pt-credential-guide:hover{text-decoration:underline;text-underline-offset:3px}
.reader-course-claim .pt-credential-guide{max-width:calc(100% - 60 * var(--screen-unit,1px));margin-right:calc(60 * var(--screen-unit,1px))}
@media(max-width:700px){.reader-course-claim .pt-credential-guide{max-width:calc(100% - 56px);margin-right:56px}}

html.pt-screen-page .pt-home>.pt-about{width:calc((100% - 2 * var(--page-gutter)) * .9375);max-width:calc(450 * var(--screen-unit,1px));margin-inline:auto;padding-block:calc(64 * var(--screen-unit,1px));justify-content:safe center;--about-optical-offset:clamp(12px,2.5svh,calc(24 * var(--screen-unit,1px)))}
.pt-screen-page .pt-about>:not(.pt-language-footer){transform:translateY(calc(-1 * var(--about-optical-offset)))}
html.pt-screen-page .pt-about-heading{position:relative;width:50%;height:calc(50 * var(--screen-unit,1px));margin-bottom:calc(24 * var(--screen-unit,1px));gap:0}
.pt-about-lockup{position:absolute;top:0;left:0;display:flex;width:max-content;align-items:flex-end;gap:calc(24 * var(--screen-unit,1px));transform-origin:top left}
.pt-screen-page .pt-about-heading .pt-about-symbol{width:calc(88 * var(--screen-unit,1px))}
.pt-screen-page .pt-about-heading .pt-about-name{font-size:calc(44 * var(--screen-unit,1px));flex:none;white-space:nowrap}
.pt-screen-page[lang=en] .pt-about-heading .pt-about-name{width:calc(368 * var(--screen-unit,1px));white-space:normal}
html.pt-screen-page .pt-about .public-prose{font-size:calc(15 * var(--screen-unit,1px))}
html.pt-screen-page .pt-about .public-prose p:last-child{margin-bottom:0}
.public-prose p:has(.prose-hanging-quote){position:relative}
.public-prose .prose-hanging-quote{position:absolute;transform:translateX(-100%)}
html.pt-screen-page .pt-about .pt-contacts{width:100%;margin-top:calc(21 * var(--screen-unit,1px));padding-top:calc(12 * var(--screen-unit,1px));border-top:1px solid var(--rule)}
.pt-screen-page .pt-about .pt-contacts>a{grid-template-columns:calc(84 * var(--screen-unit,1px)) minmax(0,1fr);gap:calc(21 * var(--screen-unit,1px));padding:calc(7 * var(--screen-unit,1px)) 0;border-top:0;font-size:calc(13.5 * var(--screen-unit,1px))}
.pt-about .pt-contacts>a>span:nth-child(2){overflow-wrap:anywhere}
@media(max-width:700px){.pt-screen-page .pt-about .pt-contacts>a{grid-template-columns:42px minmax(0,1fr);gap:10px}}
@media(min-width:1921px){
 .pt-home-header nav{font-size:calc(72 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-archive>.pt-section-heading h2,.pt-screen-page .pt-course-scene>.pt-section-heading h2{font-size:calc(260 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-course-scene{max-width:calc(1360 * var(--screen-unit));margin-inline:auto}
}
@media(min-width:1921px){
 .pt-screen-page .pt-category-nav{gap:calc(48 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-category-nav a{font-size:calc(16 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-row-subtitle,.pt-index-copy .title-secondary{font-size:calc(18 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-archive-group{min-height:0;padding-top:calc(var(--category-height) + 48 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-group-panel{min-height:0}
}
@media(min-width:1921px){
 .pt-screen-page .pt-group-rows{flex:none;padding-bottom:calc(32 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page #archive-translations .pt-group-rows{padding-block:calc(16 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-group-end{flex-basis:calc(96 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-group-footer{padding-top:calc(16 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-group-footer .pt-expand{font-size:calc(14 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-course-text .card-info .pt-course-intro{margin-top:calc(8 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-about .pt-contacts{max-width:calc(720 * var(--screen-unit));font-size:calc(18 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-about-symbol{width:calc(140 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-about-heading .pt-about-name{font-size:calc(72 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-screen-page .pt-about-heading{gap:calc(36 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-not-found{padding-block:calc(64 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-header:not(.pt-home-header){height:calc(100 * var(--screen-unit))}
}
@media(min-width:1921px){
 .pt-header:not(.pt-home-header) .pt-header-inner{display:block;padding:calc(22 * var(--screen-unit)) var(--page-gutter)}
}
@media(min-width:1921px){
 .pt-header:not(.pt-home-header) .pt-brand{display:none}
}
@media(min-width:1921px){
 .pt-header:not(.pt-home-header) nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:calc(24 * var(--screen-unit));font-size:calc(36 * var(--screen-unit));line-height:1.2;font-weight:700}
}
@media(min-width:1921px){
 .pt-header:not(.pt-home-header) nav a{color:inherit;width:fit-content}
}
@media(min-width:1921px){
 .pt-header nav a[aria-current="page"]{text-decoration-thickness:calc(3 * var(--screen-unit));text-underline-offset:calc(12 * var(--screen-unit))}
}
html[lang=en] .pt-header nav{font-size:clamp(24px,3.4vw,52px)}
html[lang=en] .pt-section-heading h2{font-family:"Source Sans 3",sans-serif;font-size:clamp(64px,13vw,200px);letter-spacing:-.05em;line-height:1}
html[lang=en] .pt-category-nav{gap:clamp(20px,3.5vw,64px)}
html[lang=en] .pt-category-nav a{white-space:nowrap}
html[lang=en] .pt-index-row .title-primary{font-family:inherit;font-weight:400}
html[lang=en] .pt-index-row.is-focused .title-primary{font-weight:600}
html[lang=en] .pt-about-name{font-weight:200;white-space:normal;line-height:1.05;font-size:clamp(28px,4vw,72px)}
html[lang=en] .pt-type-english{font-family:"Source Sans 3",sans-serif;font-weight:500;letter-spacing:0}
@media(max-width:700px){html[lang=en] .pt-header nav{font-size:clamp(18px,4.8vw,27px);gap:10px}}
@media(max-width:700px){html[lang=en] .pt-category-nav{gap:22px}}
@media(max-width:700px){html[lang=en] .pt-category-nav a{font-size:14px}}
@media(max-width:700px){html[lang=en] .pt-about-name{font-size:28px}}
@media(max-width:700px){html[lang=en] .pt-materials-scene h2{font-size:30px}}
@media(min-width:1921px){html[lang=en] .pt-header nav{font-size:calc(52 * var(--screen-unit))}}
@media(min-width:1921px){html[lang=en] .pt-section-heading h2{font-size:calc(200 * var(--screen-unit))}}
@media(min-width:1921px){html[lang=en] .pt-about-name{font-size:calc(72 * var(--screen-unit))}}
html[lang=en] .pt-row-heading h4{text-wrap:balance}
html[lang=en] .pt-index-copy :is(.title-primary,.title-secondary){text-wrap:inherit;word-break:normal;overflow-wrap:normal;hyphens:none}

@media(hover:none){
 .pt-contact-cell .pt-frame{opacity:1;transition:none}
 .pt-contact-cell .pt-type-square{display:none}
}
@media(max-width:700px){
 .pt-screen-page .pt-home>.pt-contact{height:100%;min-height:100%}
 .pt-screen-page .pt-contact-stage{height:100%}
 .pt-contact-grid{--grid-columns:3;--mobile-rows:3}
 .pt-contact-cell:nth-child(n+10){display:none}
}
@media(max-width:700px) and (max-height:700px){
 .pt-contact-grid{--mobile-rows:2}
 .pt-contact-cell:nth-child(n+7){display:none}
}
@media(max-width:700px) and (max-height:460px){
 .pt-contact-grid{--mobile-rows:1}
 .pt-contact-cell:nth-child(n+4){display:none}
}