:root{
  --ink:#524f7b; --p:#595680; --mid:#757295; --light:#a8a7bd;
  --p04:rgba(89,86,128,.04); --p08:rgba(89,86,128,.08); --p12:rgba(89,86,128,.12);
  --p20:rgba(89,86,128,.20); --p35:rgba(89,86,128,.35); --p60:rgba(89,86,128,.60); --p85:rgba(82,79,123,.85);
  --text:#2a2938; --bg:#fbfbfd;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
html:not([lang="en"]) .en,html:not([lang="de"]) .de,html:not([lang="sk"]) .sk,html:not([lang="fr"]) .fr,html:not([lang="es"]) .es{display:none}
a{color:var(--p)}
a:focus-visible,button:focus-visible,video:focus-visible{outline:3px solid var(--p);outline-offset:2px}
img{max-width:100%;height:auto}
.wrap{max-width:1140px;margin:0 auto;padding:0 1.25rem}

/* Header */
header.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--p20)}
header.top .wrap{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:.55rem;padding-bottom:.55rem}
header.top .brand img{height:42px;width:auto;display:block}
nav{display:flex;flex-wrap:wrap;gap:.15rem .1rem;flex:1;font-size:.85rem}
nav a{text-decoration:none;color:var(--ink);padding:.25rem .38rem;border-radius:999px}
nav a:hover{background:var(--p08)}
nav a[aria-current="page"]{background:var(--p12);font-weight:600}
.langsel{position:relative}
#langBtn{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--p);background:var(--p);color:#fff;border-radius:999px;padding:.3rem .8rem;font-weight:600;cursor:pointer}
#langBtn:hover{background:var(--ink)}
.langsel img{display:block;width:20px;height:14px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.18);object-fit:cover}
.langsel .caret{font-size:.75rem;opacity:.85}
.langmenu{position:absolute;right:0;top:calc(100% + .4rem);list-style:none;margin:0;padding:.35rem;background:#fff;border:1px solid var(--p20);border-radius:12px;box-shadow:0 10px 30px rgba(40,38,70,.18);min-width:11rem;z-index:30}
.langmenu button{display:flex;align-items:center;gap:.55rem;width:100%;border:0;background:none;padding:.45rem .6rem;border-radius:8px;cursor:pointer;font:inherit;font-size:.92rem;color:var(--text);text-align:left}
.langmenu button:hover,.langmenu button:focus-visible{background:var(--p08)}
.langmenu button[aria-checked="true"]{background:var(--p12);font-weight:600}
.langmenu .code{font-weight:600;width:1.8rem;color:var(--ink)}
.langmenu .lname{color:var(--mid)}

/* Hero band */
.band{background:linear-gradient(135deg,rgba(82,79,123,.97) 0%,rgba(89,86,128,.90) 55%,rgba(117,114,149,.80) 100%);color:#fff;padding:2.6rem 0 2.2rem}
.band h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.15;margin:0 0 .6rem;max-width:24ch}
.band p.lead{font-size:1.12rem;max-width:62ch;margin:0 0 .8rem;color:rgba(255,255,255,.92)}
.band .meta{color:rgba(255,255,255,.75);font-size:.95rem;margin:0}
.band .back{color:#fff;text-decoration:none;font-size:.9rem;opacity:.85}
.band .back:hover{opacity:1;text-decoration:underline}
.hero-img{margin:-1px 0 0;background:var(--p08);padding:1.5rem 0}
.hero-img img{display:block;width:100%;border-radius:12px;box-shadow:0 10px 30px var(--p20)}

/* Sections */
section{padding:2.6rem 0}
section.tint{background:var(--p04)}
section.tint2{background:var(--p08)}
section h2{color:var(--ink);font-size:1.6rem;margin:0 0 1rem}
section h3{color:var(--ink);font-size:1.12rem;margin:1.6rem 0 .5rem}
.prose{max-width:72ch}
.credit{font-size:.78rem;color:var(--mid);display:block;margin-top:.45rem}
.credit a{color:inherit}

/* Cards linking to pages */
.tiles{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.tile{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--p20);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.tile:hover{border-color:var(--p60);box-shadow:0 8px 24px var(--p20)}
.tile .pic{position:relative;aspect-ratio:16/10;background:var(--p12);overflow:hidden}
.tile .pic img{width:100%;height:100%;object-fit:cover;display:block}
.tile .pic span.tag{position:absolute;left:.7rem;bottom:.7rem;background:var(--p85);color:#fff;font-size:.8rem;font-weight:600;padding:.2rem .6rem;border-radius:999px}
.tile .txt{padding:1rem 1.1rem 1.2rem}
.tile h3{margin:0 0 .35rem;color:var(--ink)}
.tile p{margin:0;font-size:.93rem}
.tile .go{display:inline-block;margin-top:.6rem;font-weight:600;color:var(--p)}

/* Stats */
.stats{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:1rem}
.stat{background:var(--p08);border:1px solid var(--p20);border-radius:12px;padding:1rem 1.1rem}
.stat b{display:block;font-size:2rem;color:var(--p);line-height:1.1;margin-bottom:.25rem}
.stat span{font-size:.92rem}

/* Media block on technique pages */
.feature{display:grid;gap:1.5rem;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:start}
@media (max-width:820px){.feature{grid-template-columns:1fr}}
.feature video,.feature img.main{width:100%;border-radius:12px;display:block;background:var(--p12);box-shadow:0 10px 30px var(--p20)}
.params{background:#fff;border:1px solid var(--p20);border-radius:12px;padding:1rem 1.2rem}
.params dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.35rem 1rem;font-size:.92rem}
.params dt{color:var(--mid)}
.params dd{margin:0}

/* Figures */
.figs{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin:1.2rem 0}
.figs.wide{grid-template-columns:repeat(auto-fit,minmax(460px,1fr))}
@media (max-width:520px){.figs.wide{grid-template-columns:1fr}}
.fig{margin:0;background:#fff;border:1px solid var(--p20);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.fig a.img{display:block;background:#fff;border-bottom:1px solid var(--p12)}
.fig img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain}
.figs.wide .fig img{aspect-ratio:16/9}
.fig figcaption{padding:.8rem 1rem 1rem;font-size:.9rem;line-height:1.45;background:var(--p04);flex:1}

/* Tables */
.tbl{overflow-x:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.9rem;background:#fff}
th,td{border:1px solid var(--p20);padding:.55rem .7rem;text-align:left;vertical-align:top}
thead th{background:var(--p12);color:var(--ink)}
tbody tr:nth-child(even) td{background:var(--p04)}

/* Lists, news, logos */
.pubs{padding-left:1.25rem;max-width:82ch}
.pubs li{margin-bottom:.9rem}
.talks{list-style:none;padding:0;max-width:82ch}
.talks li{padding:.6rem 0;border-bottom:1px dashed var(--p20)}
.when{color:var(--mid);font-size:.86rem;display:block}
.news{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{border:1px solid var(--p20);border-radius:12px;padding:1rem 1.1rem;background:#fff}
.card h3{margin:.3rem 0 .4rem;font-size:1.02rem}
.yt{position:relative;max-width:840px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--ink) url("assets/img/hero.jpg") center/cover}
.yt button{position:absolute;inset:0;width:100%;height:100%;border:0;cursor:pointer;background:var(--p60);color:#fff;font-size:1.05rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem}
.yt button:hover{background:var(--p85)}
.yt .play{width:72px;height:72px;border-radius:50%;background:#fff;color:var(--p);display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.logo-row{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin:.6rem 0 1rem}
.logo{background:#fff;border:1px solid var(--p20);border-radius:10px;padding:.6rem .9rem;display:flex;align-items:center;justify-content:center;min-height:84px}
.logo img{display:block;height:56px;width:auto;max-width:220px}
.logo.eu img{height:72px;max-width:none}
.logo.big{min-height:110px;padding:.7rem 1.1rem}
.logo.big img{height:84px;max-width:300px}
.note{font-size:.88rem;max-width:82ch}
.btn{display:inline-block;background:var(--p);color:#fff;text-decoration:none;padding:.55rem 1.1rem;border-radius:999px;font-weight:600;margin:.3rem .4rem .3rem 0}
.btn:hover{background:var(--ink)}
.btn.ghost{background:transparent;color:var(--p);border:1px solid var(--p)}
footer{background:var(--ink);color:#fff;padding:2rem 0;font-size:.9rem}
footer a{color:#fff}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tile{transition:none}}
.stat b.hl{font-size:1.15rem;line-height:1.25;margin-bottom:.35rem}
/* Justified text */
p,figcaption,.stat,.pubs li,.talks li,.tile p{text-align:justify;-webkit-hyphens:auto;hyphens:auto}
body{hyphens:auto}
.band h1,.band p.lead,.band .meta{text-align:left}

/* Contact card with portrait */
.contact-card{display:grid;grid-template-columns:220px 1fr;gap:1.8rem;align-items:start;margin-top:1rem}
.contact-photo{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px;border:1px solid var(--p20)}
.contact-info p{text-align:left;margin:0 0 1rem}
.contact-info p.bio{text-align:justify;max-width:68ch}
.ids{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.5rem}
.ids a{display:inline-block;padding:.35rem .85rem;border:1px solid var(--p20);border-radius:999px;text-decoration:none;font-size:.9rem;background:var(--p04)}
.ids a:hover{background:var(--p12)}
@media (max-width:520px){.contact-card{grid-template-columns:1fr}.contact-photo{max-width:220px}}

/* Collaborators */
.partners{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(195px,1fr));margin:1.4rem 0 2rem}
.partner{background:#fff;border:1px solid var(--p20);border-radius:12px;padding:1.1rem 1.2rem}
.partner .plogo{display:flex;align-items:center;height:56px;margin-bottom:.6rem}
.partner .plogo img{max-height:52px;max-width:180px;width:auto}
.partner h3{font-size:1.02rem;margin:0 0 .15rem;color:var(--ink)}
.partner .place{font-size:.85rem;color:var(--mid);margin:0 0 .7rem;text-align:left}
.partner ul{list-style:none;padding:0;margin:0}
.partner li{padding:.35rem 0;border-top:1px solid var(--p12);font-size:.93rem;line-height:1.35}
.partner li span{font-size:.85rem;color:var(--mid)}
h3.sub{margin:1.6rem 0 .2rem;color:var(--ink)}
.figs.quad{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.partner li strong a{color:inherit;text-decoration:underline;text-decoration-color:var(--p35);text-underline-offset:3px}
.partner li strong a:hover{color:var(--p);text-decoration-color:var(--p)}
.card img.thumb{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;margin:0 0 .7rem;border:1px solid var(--p12)}
.talks li.has-thumb{display:grid;grid-template-columns:1fr 152px;gap:1.2rem;align-items:center}
.talks li.has-thumb .tthumb{order:2}
.talks .tthumb img{display:block;width:152px;aspect-ratio:4/3;object-fit:cover;border-radius:6px;border:1px solid var(--p20);opacity:.92;transition:opacity .15s,border-color .15s}
.talks .tthumb:hover img{opacity:1;border-color:var(--p)}
@media (max-width:520px){.talks li.has-thumb{grid-template-columns:1fr 104px;gap:.8rem}.talks .tthumb img{width:104px}}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:.8rem;padding:4.5rem 1rem 1.5rem;background:rgba(30,28,52,.78);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:opacity .2s}
.lb.open{opacity:1}
.lb img{max-width:min(1100px,94vw);max-height:78vh;width:auto;height:auto;border-radius:10px;box-shadow:0 12px 40px rgba(0,0,0,.45);background:#fff;cursor:zoom-out}
.lb p{margin:0;max-width:min(900px,92vw);color:#fff;font-size:.95rem;text-align:center;line-height:1.45}
.lb button{position:fixed;top:max(1rem,env(safe-area-inset-top));right:1rem;border:0;border-radius:999px;background:#fff;color:var(--ink);font-weight:600;font-size:.95rem;padding:.5rem 1rem;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.lb button:hover{background:var(--p);color:#fff}
body.lb-on{overflow:hidden}
.card a.nthumb{display:block;margin:0 0 .7rem}
.card a.nthumb img.thumb{margin:0;transition:opacity .15s}
.card a.nthumb:hover img.thumb{opacity:.9}
.card .minis{display:grid;grid-template-columns:1fr 1fr;gap:.45rem;margin:-.3rem 0 .7rem}
.card .minis img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:6px;border:1px solid var(--p12)}
.partner .plogos{display:flex;align-items:center;gap:.8rem;margin-bottom:.6rem}
.partner .plogos .plogo{margin-bottom:0}
header.top .wrap{max-width:1320px}

/* Partner logos centred and larger */
.partner .plogo{justify-content:center;height:70px}
.partner .plogo img{max-height:65px;max-width:225px}
.partner .plogos{justify-content:center}
/* Host institution logos +25% (funding section) */
.logo.big.host{min-height:132px}
.logo.big.host img{height:105px;max-width:375px}
/* Mobile navigation */
.navbtn{display:none;align-items:center;gap:.4rem;border:1px solid var(--p20);background:#fff;color:var(--ink);border-radius:999px;padding:.35rem .8rem;font:inherit;font-weight:600;font-size:.9rem;cursor:pointer}
.navbtn .bars{display:inline-block;width:16px;height:2px;background:currentColor;position:relative}
.navbtn .bars::before,.navbtn .bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor}
.navbtn .bars::before{top:-5px}.navbtn .bars::after{top:5px}
@media (max-width:1180px){
  header.top .wrap{flex-wrap:wrap;gap:.6rem}
  header.top .brand{flex:1}
  header.top .brand img{height:36px}
  .navbtn{display:inline-flex}
  nav{display:none;order:3;flex:0 0 100%;flex-direction:column;gap:.1rem;font-size:1rem;padding:.4rem 0 .6rem;border-top:1px solid var(--p12)}
  header.top.open nav{display:flex}
  nav a{padding:.6rem .8rem;border-radius:10px}
}
/* Mobile tables: stacked cards */
.cell-label{display:none}
@media (max-width:640px){
  table thead{display:none}
  table,table tbody,table tr,table td{display:block;width:100%;min-width:0;box-sizing:border-box}
  table{background:none}
  tbody tr:nth-child(even) td{background:#fff}
  table tr{border:1px solid var(--p20);border-radius:12px;margin:0 0 .8rem;background:#fff;overflow:hidden}
  table td{border:0;border-bottom:1px solid var(--p12);padding:.55rem .8rem}
  table td:last-child{border-bottom:0}
  .cell-label{display:block;font-size:.75rem;font-weight:600;color:var(--mid);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.15rem}
}
/* General mobile spacing */
@media (max-width:520px){
  h1{font-size:1.7rem}
  .wrap{padding-left:1rem;padding-right:1rem}
  .partners{grid-template-columns:1fr}
}
.partner .plogo{max-width:100%;min-width:0}
.partner .plogo img{max-width:100%;height:auto;object-fit:contain}
.partner .plogos .plogo{flex:1 1 0}
.partner .plogos .plogo:first-child{flex:1.8 1 0}
.partner .plogos{gap:.5rem}
.logo.uk img{height:44px;max-width:180px}
.logo.uk{min-height:84px}