@font-face{font-family:Poppins;src:url("assets/poppins-regular.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:Poppins;src:url("assets/poppins-semibold.ttf") format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:Vollkorn;src:url("assets/vollkorn-bold.ttf") format("truetype");font-weight:700;font-display:swap}

:root{--ink:#252722;--muted:#63655e;--line:#cfd2cb;--paper:#fafaf7;--blue:#afccff;--deep-blue:#254b6d;--serif:Vollkorn,Georgia,serif;--sans:Poppins,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.75 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--deep-blue)}img{display:block;max-width:100%}[hidden]{display:none!important}
:focus-visible{outline:3px solid #275dae;outline-offset:5px}
h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.1;letter-spacing:-.035em}
.container{width:min(1280px,calc(100% - 96px));margin-inline:auto}
.skip-link{position:absolute;top:-100px;left:20px;z-index:10;background:var(--blue);padding:10px 16px}.skip-link:focus{top:10px}
.header-inner{min-height:92px;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--ink)}
.brand{font:700 1.55rem/1.1 var(--serif);text-decoration:none;white-space:nowrap;letter-spacing:-.035em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a,.conference-link{font-size:.875rem;text-decoration:none;white-space:nowrap}.main-nav a:hover,.conference-link:hover{text-decoration:underline}
.conference-link{padding-left:27px;border-left:1px solid var(--line)}
.intro{padding-top:64px}
.intro-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(40px,7vw,120px);align-items:start;padding-bottom:52px}
.intro h1{font-size:clamp(3.6rem,5.5vw,5.6rem);line-height:1.02;letter-spacing:-.055em;max-width:690px}
.intro-copy{padding-top:9px;max-width:510px}.intro-copy p{margin-bottom:18px;font-size:1rem;line-height:1.8}
.text-link{display:inline-flex;align-items:center;gap:20px;font-weight:600;font-size:.9375rem;text-decoration:none;border-bottom:1px solid var(--ink);padding-block:5px}.text-link span{font-size:1.25rem;font-weight:400}
.congress-photo img{width:100%;height:clamp(300px,37vw,480px);object-fit:cover;object-position:50% 60%}
.congress-photo figcaption{display:flex;justify-content:space-between;gap:20px;padding-top:14px;color:var(--muted);font-size:.8125rem}
.editions{padding-block:90px 80px}
.editions-heading{display:flex;align-items:baseline;justify-content:space-between;gap:30px;margin-bottom:48px}.editions-heading h2{font-size:2.55rem}
.edition-jump{display:flex;gap:24px;font-size:.9375rem}.edition-jump a{text-decoration:none;border-bottom:1px solid transparent}.edition-jump a:hover{border-color:var(--ink)}
.edition{display:grid;grid-template-columns:240px minmax(0,1fr);gap:65px;padding:48px 0;border-top:1px solid var(--line);scroll-margin-top:30px}.edition:last-child{border-bottom:1px solid var(--line)}
.edition-date h3{font-size:4.5rem;line-height:.95;color:var(--deep-blue);letter-spacing:-.05em;margin-bottom:15px}.edition-date time{font-size:.875rem;color:var(--muted)}
.edition-location{font-size:.875rem;line-height:1.6;margin:8px 0 0;color:var(--muted)}
.edition-body{max-width:770px}.edition-body h4{font:700 2rem/1.15 var(--serif);letter-spacing:-.03em;margin:0 0 15px}.edition-body p{max-width:740px;margin:0 0 21px;line-height:1.85}
.edition-body button{padding:3px 0;border:0;border-bottom:1px solid var(--ink);background:none;font-size:.9375rem;font-weight:600}.edition-body button:hover{color:var(--deep-blue);border-color:var(--deep-blue)}.edition-body>a{font-size:.9375rem;font-weight:600}
.edition-actions{display:flex;align-items:center;gap:30px;flex-wrap:wrap}.edition-actions a{font-size:.9375rem}
.films{background:#e1eaf7;padding-block:64px 70px}.films-heading{display:flex;align-items:baseline;justify-content:space-between;gap:32px;margin-bottom:30px}.films-heading h2{font-size:2.75rem}.films-heading p{font-size:.9375rem;max-width:475px}
.film-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.film{text-decoration:none;min-width:0}.film-image{position:relative;aspect-ratio:16/9;overflow:hidden;background:#2c3339}.film-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.film-image img.with-letterbox{transform:scale(1.28)}
.play-icon{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:68px;height:68px;border-radius:50%;background:rgba(250,250,247,.96);color:var(--ink);display:grid;place-items:center;box-shadow:0 2px 20px #0002}.play-icon svg{width:22px;height:22px;margin-left:4px}.film:hover .play-icon{background:var(--blue)}
.film figcaption{display:flex;align-items:center;justify-content:space-between;margin-top:15px;font-size:.875rem}.film figcaption strong{font:700 1.65rem/1.2 var(--serif)}
.presentations{padding-block:88px 90px}.section-intro{display:grid;grid-template-columns:240px minmax(0,1fr);gap:65px;margin-bottom:32px}.section-intro h2{font-size:2.6rem}.section-intro p{max-width:720px;line-height:1.8}
.catalogue-controls{display:grid;grid-template-columns:minmax(300px,1fr) auto;align-items:end;gap:40px;padding:28px 0;border-top:1px solid var(--line)}
.search-field{display:block;min-width:0}.search-field>span,.year-filter>span{display:block;font-size:.875rem;margin-bottom:9px}.search-field input{width:100%;min-width:0;min-height:52px;border:1px solid #989c94;background:transparent;border-radius:0;padding:11px 15px;font-size:1rem;color:var(--ink)}.search-field input::placeholder{color:var(--muted)}
.year-filter{min-width:0}.year-filter>div{display:flex;flex-wrap:wrap;gap:2px;min-height:52px;align-items:center}.year-filter button{padding:10px 13px;min-height:44px;background:transparent;border:0;font-size:.9375rem;border-bottom:2px solid transparent}.year-filter button[aria-pressed=true]{color:var(--deep-blue);border-bottom-color:var(--deep-blue);font-weight:600}.year-filter button:hover{background:#e6edf8}
.catalogue-status{display:flex;justify-content:space-between;gap:24px;padding-bottom:20px;font-size:.8125rem;color:var(--muted)}
.presentation-list-head,.presentation-row{display:grid;grid-template-columns:80px minmax(0,1fr) 100px;gap:26px}.presentation-list-head{padding:14px 0;border-block:1px solid var(--ink);font-size:.8125rem;color:var(--muted)}.presentation-list-head span:last-child{text-align:right}.presentation-row{padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.row-year{padding-top:2px;font-size:.875rem;color:var(--muted)}.presentation-row h3{font:600 1rem/1.6 var(--sans);letter-spacing:0}.row-speakers{margin-top:5px;color:var(--muted);font-size:.875rem}.row-pages{font-size:.8125rem;color:var(--muted);text-align:right;padding-top:4px;white-space:nowrap}
.more-button{display:block;margin:32px auto 0;padding:11px 28px;background:transparent;border:1px solid var(--ink);font-size:.9375rem;min-height:48px}.more-button:hover{background:var(--ink);color:#fff}.empty-results{padding:36px 0;color:var(--muted)}
.background{padding-block:64px 72px;border-top:1px solid var(--line);background:#fff}.background-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:65px}.background h2{font-size:2.6rem}.background-copy>p{max-width:710px;margin-bottom:28px}
.reading-links{display:grid;grid-template-columns:1fr 1fr;gap:35px}.reading-links article{padding-top:22px;border-top:1px solid var(--line)}.reading-links h3{font-size:1.55rem;line-height:1.25;letter-spacing:-.025em;margin-bottom:12px}.reading-links p{font-size:.9375rem;line-height:1.8;color:var(--muted)}
.site-footer{background:#fff;padding-block:32px}.footer-inner{border-top:1px solid var(--line);padding-top:30px;display:flex;align-items:center;justify-content:space-between;gap:45px}.footer-inner p{max-width:390px;color:var(--muted);font-size:.8125rem;line-height:1.8}.footer-inner img{width:310px;height:auto}
@media(min-width:1450px){.intro-layout{grid-template-columns:1.22fr 1fr}.intro h1{font-size:5.8rem}}
@media(max-width:1000px){.container{width:calc(100% - 56px)}.header-inner{gap:22px}.main-nav{gap:18px}.conference-link{display:none}.intro{padding-top:48px}.intro-layout{grid-template-columns:1fr 1fr;gap:36px}.intro h1{font-size:3.75rem}.edition,.section-intro,.background-layout{grid-template-columns:170px minmax(0,1fr);gap:35px}.catalogue-controls{gap:22px}.year-filter button{padding-inline:9px}}
@media(max-width:720px){
 html{scroll-padding-top:20px}.container{width:calc(100% - 40px)}.header-inner{min-height:0;display:block;padding-block:24px 17px}.brand{font-size:1.4rem}.main-nav{gap:8px 16px;flex-wrap:wrap;margin-top:20px;padding-bottom:2px}.main-nav a{font-size:.875rem}
 .intro{padding-top:36px}.intro-layout{grid-template-columns:1fr;gap:25px;padding-bottom:30px}.intro h1{font-size:clamp(2.8rem,10.5vw,4.8rem);max-width:600px}.intro-copy{padding:0;max-width:none}.intro-copy p{font-size:1rem;line-height:1.85;margin-bottom:17px}.congress-photo img{height:auto;aspect-ratio:1.5;object-position:center}.congress-photo figcaption{font-size:.75rem;gap:12px;flex-wrap:wrap}
 .editions{padding-block:56px}.editions-heading{display:block;margin-bottom:30px}.editions-heading h2{font-size:2.2rem}.edition-jump{margin-top:20px;gap:23px;font-size:.875rem}.edition{grid-template-columns:1fr;gap:20px;padding-block:30px}.edition-date{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:baseline}.edition-date h3{font-size:2.6rem;margin:0}.edition-date time{font-size:.8125rem}.edition-location{flex-basis:100%;margin:0}.edition-body h4{font-size:1.7rem;margin-bottom:13px}.edition-body p{font-size:1rem;line-height:1.85;margin-bottom:18px}
 .films{padding-block:40px 44px}.films-heading{display:block;margin-bottom:26px}.films-heading h2{font-size:2.2rem;margin-bottom:16px}.film-grid{grid-template-columns:1fr;gap:30px}.film figcaption{margin-top:12px}.film figcaption strong{font-size:1.5rem}
 .presentations{padding-block:52px}.section-intro{display:block;margin-bottom:25px}.section-intro h2{font-size:2.2rem;margin-bottom:20px}.catalogue-controls{grid-template-columns:1fr;gap:22px;padding:22px 0}.year-filter>div{justify-content:space-between}.year-filter button{padding:10px 12px}.catalogue-status{display:block;font-size:.8125rem}.catalogue-status p+p{margin-top:7px}.presentation-list-head{grid-template-columns:42px minmax(0,1fr);gap:16px}.presentation-list-head span:last-child{display:none}.presentation-row{grid-template-columns:42px minmax(0,1fr);gap:5px 16px;padding:21px 0}.row-pages{grid-column:2;text-align:left;padding-top:0}.row-year{font-size:.8125rem}.presentation-row h3{font-size:.9375rem;line-height:1.65}.row-speakers{font-size:.875rem;line-height:1.65}
 .background{padding-block:42px}.background-layout{display:block}.background h2{font-size:2.2rem;margin-bottom:24px}.reading-links{grid-template-columns:1fr;gap:26px}.reading-links h3{font-size:1.5rem}.footer-inner{display:block;padding-top:24px}.footer-inner img{width:260px;margin-top:26px}.site-footer{padding-block:15px 30px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:720px){.year-filter>div{justify-content:flex-start}}
.presentation-list-head,.presentation-row{grid-template-columns:80px minmax(0,1fr) 150px}
.row-actions{text-align:right;display:flex;align-items:flex-end;flex-direction:column;gap:3px}
.download-link{display:inline-flex;align-items:center;min-height:44px;font-size:.875rem;font-weight:600;white-space:nowrap}
.row-size,.row-pages{color:var(--muted);font-size:.8125rem}.row-pages{text-align:left;padding-top:8px;white-space:normal}.row-size{display:block}
.row-note{font-size:.875rem;margin-top:8px;color:var(--muted);max-width:650px}
.archive-gaps{margin-top:42px;padding-top:22px;border-top:1px solid var(--line);max-width:900px}
.archive-gaps summary{cursor:pointer;font-size:.9375rem;font-weight:600;min-height:44px}.archive-gaps p{font-size:.9375rem;line-height:1.8;margin-top:16px}
@media(max-width:1000px){.catalogue-controls{grid-template-columns:1fr}.year-filter>div{justify-content:flex-start}}
@media(max-width:720px){.presentation-list-head,.presentation-row{grid-template-columns:42px minmax(0,1fr);gap:8px 16px}.row-actions{grid-column:2;flex-direction:row;align-items:center;gap:18px;text-align:left}.row-pages{padding-top:6px}.row-size{font-size:.8125rem}}

.congress-purpose{display:grid;grid-template-columns:1fr 1.4fr;gap:72px;padding-top:62px;align-items:start}
.congress-purpose h2{max-width:370px;font-size:2.6rem}.congress-purpose p{line-height:1.85}.congress-purpose p+p{margin-top:18px}
.catalogue-status{align-items:center;padding-top:4px;padding-bottom:25px}
.view-switch{display:flex;gap:4px;flex-shrink:0}.view-switch button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:8px 15px;border:1px solid transparent;background:transparent;color:var(--ink);font-size:.875rem}.view-switch button[aria-pressed=true]{border-color:var(--ink);background:#fff;font-weight:600}.view-switch button:hover{background:#e1eaf7}.view-switch svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5}
.slide-preview{display:flex;align-items:center;justify-content:center;background:#efefea;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);width:100%;text-decoration:none}
.slide-preview img{width:100%;height:100%;object-fit:contain}.slide-preview:hover{border-color:var(--deep-blue)}
.row-main{min-width:0}.row-speakers{font-size:.875rem;line-height:1.65}.row-pages{font-size:.8125rem;line-height:1.6;padding-top:10px}
.presentation-list[data-view=grid]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 28px}
.presentation-list[data-view=grid] .presentation-row{display:flex;flex-direction:column;gap:0;padding:0 0 18px;min-width:0;border-bottom:1px solid var(--line)}
.presentation-list[data-view=grid] .row-main{padding-top:20px;flex:1;width:100%}.presentation-list[data-view=grid] h3{font-size:1.0625rem;line-height:1.55}
.presentation-list[data-view=grid] .row-actions{flex-direction:row;align-items:center;justify-content:space-between;width:100%;padding-top:12px;gap:12px;text-align:left}
.presentation-list[data-view=list] .presentation-row,.presentation-list-head{grid-template-columns:164px minmax(0,1fr) 150px;gap:28px}
.presentation-list[data-view=list] .presentation-row{align-items:start;padding:24px 0}
.presentation-list[data-view=list] .row-actions{grid-column:auto;flex-direction:column;align-items:flex-end;gap:3px}
@media(max-width:1100px){.presentation-list[data-view=grid]{grid-template-columns:repeat(2,minmax(0,1fr))}.congress-purpose{gap:38px;grid-template-columns:1fr 1.3fr}}
@media(max-width:720px){
 .congress-purpose{grid-template-columns:1fr;gap:24px;padding-top:38px}.congress-purpose h2{font-size:2.1rem;max-width:300px}
 .catalogue-status{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.view-switch button{padding:8px 12px}
 .presentation-list[data-view=grid]{grid-template-columns:1fr;gap:32px}.presentation-list[data-view=grid] .row-main{padding-top:17px}.presentation-list[data-view=grid] h3{font-size:1.0625rem}
 .presentation-list[data-view=list] .presentation-row{grid-template-columns:100px minmax(0,1fr);gap:8px 16px}
 .presentation-list[data-view=list] .row-actions{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between;gap:8px}
 .presentation-list-head{grid-template-columns:100px minmax(0,1fr);gap:16px}
 .presentation-list[data-view=list] h3{font-size:.9375rem;line-height:1.6}.presentation-list[data-view=list] .row-speakers{font-size:.875rem}
}
@media(max-width:370px){.presentation-list[data-view=list] .presentation-row,.presentation-list-head{grid-template-columns:76px minmax(0,1fr);gap:8px 12px}.presentation-list[data-view=list] .row-actions{flex-wrap:wrap;justify-content:flex-start;gap:0 12px}}