:root{
  --ink:#111; --soft:#555; --line:#e4e4e4; --bg:#fff; --panel:#f6f6f4;
  color-scheme: light;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Roboto",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-weight:400; font-size:17px; line-height:1.65;
}
img{max-width:100%; height:auto; display:block;}
a{color:inherit;}
h1,h2,h3{font-weight:500; line-height:1.2; letter-spacing:-.01em; text-wrap:balance; margin:0 0 .6em;}
h1{font-size:clamp(28px,4vw,44px);}
h2{font-size:clamp(22px,2.6vw,30px); margin-top:1.6em;}
p{margin:0 0 1.1em;}
:focus-visible{outline:3px solid #111; outline-offset:3px;}

.skip{position:absolute; left:-999px; top:8px; background:#111; color:#fff; padding:8px 12px; z-index:100;}
.skip:focus{left:8px;}

.site-header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(6px); border-bottom:1px solid var(--line);
}
.bar{max-width:1180px; margin:0 auto; padding:14px 24px; display:flex; align-items:center; justify-content:space-between; gap:24px;}
/* Header: logo centred on top, menu centred below, flags in the top-right corner */
.site-header .bar{position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px; max-width:1400px; padding:14px 24px 10px;}
.brand{display:block;}
.brand img{height:24px; width:auto; margin-inline:auto;}
.nav{display:flex; flex-wrap:wrap; justify-content:center; gap:4px 20px; font-size:14.5px;}
.nav a{text-decoration:none; padding:4px 0; border-bottom:1px solid transparent;}
.nav a:hover{border-color:currentColor;}
.nav a[aria-current="page"]{border-color:currentColor;}
.tools{position:absolute; top:14px; right:24px;}
.menu-btn{display:none; background:none; border:1px solid var(--line); border-radius:8px; padding:8px 12px; font:inherit; font-size:14px; cursor:pointer;}

@media (max-width: 1100px){
  /* Phone/tablet: [menu] [logo] [flags], with the logo truly centred */
  .site-header .bar{display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:12px; padding:12px 16px;}
  .tools{display:contents;}
  .menu-btn{display:block; grid-column:1; grid-row:1; justify-self:start;}
  .brand{grid-column:2; grid-row:1;}
  .langs{grid-column:3; grid-row:1; justify-self:end;}
  .nav{display:none; position:absolute; left:0; right:0; top:100%; background:#fff; border-bottom:1px solid var(--line); padding:8px 24px 18px; flex-direction:column; align-items:flex-start; gap:2px; font-size:17px;}
  .nav.open{display:flex;}
  .nav a{padding:10px 0;}
}

main{max-width:1180px; margin:0 auto; padding:56px clamp(24px,6vw,72px) 72px;}
.narrow{max-width:760px; margin-inline:auto;}
.hero{text-align:center; padding:24px 0 40px;}
.hero img{margin:0 auto; width:min(640px,100%);}

.split{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;}
.split.top{align-items:start;}
.split .media img{margin-inline:auto; border-radius:10px;}
.shot{max-height:560px; width:auto;}
@media (max-width: 860px){ .split{grid-template-columns:1fr; gap:32px;} .shot{max-height:480px;} }

.video{position:relative; aspect-ratio:16/9; width:100%; border-radius:10px; overflow:hidden; background:#000;}
.video iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}

.badge-row{display:flex; justify-content:center; margin-top:44px;}
.badge{display:inline-block;}
.badge img{height:58px; width:auto;}

.btn{
  display:inline-block; background:var(--ink); color:#fff; text-decoration:none; font:inherit; font-weight:500;
  font-size:15px; padding:13px 26px; border-radius:8px; border:0; cursor:pointer;
}
.btn:hover{background:#333;}
.btn.ghost{background:transparent; color:var(--ink); border:1px solid var(--ink);}
.btn.ghost:hover{background:var(--ink); color:#fff;}

.form{display:grid; gap:16px; max-width:560px;}
.form .row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media (max-width:520px){ .form .row{grid-template-columns:1fr;} }
.form label{display:block; font-size:14px; font-weight:500; margin-bottom:6px;}
.form input,.form textarea{
  width:100%; font:inherit; font-size:16px; padding:11px 12px; border:1px solid #bdbdbd; border-radius:8px; background:#fff; color:var(--ink);
}
.form textarea{min-height:150px; resize:vertical;}
.form .hint{font-size:14px; color:var(--soft);}
.note{font-size:15px; color:var(--soft);}

.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; margin-top:32px;}
.card{border:1px solid var(--line); border-radius:14px; padding:26px; background:#fff; display:flex; flex-direction:column; gap:10px;}
.card h3{margin:0; font-size:22px;}
.card p{margin:0; color:var(--soft); font-size:16px;}
.card .tags{display:flex; flex-wrap:wrap; gap:8px; margin:4px 0 10px;}
.tag{font-size:12px; font-weight:500; letter-spacing:.04em; text-transform:uppercase; background:var(--panel); border-radius:999px; padding:4px 10px;}
.card .btn{margin-top:auto; align-self:flex-start;}

.orcid-bio{background:var(--panel); border-left:4px solid #a6ce39; border-radius:8px; padding:20px 22px; margin:0 0 30px;}
.orcid-bio h2{margin:0 0 4px; font-size:24px;}
.orcid-bio .aff{color:var(--soft); margin:0 0 10px;}
.works{display:grid; gap:14px; padding:0; margin:0; list-style:none;}
.work{border:1px solid var(--line); border-radius:8px; padding:16px 18px;}
.work h3{font-size:17px; margin:0 0 6px; font-weight:500;}
.work .meta{margin:0; font-size:14px; color:var(--soft);}
.work .meta b{text-transform:capitalize; color:#5b7d0d; font-weight:500;}

.site-footer{border-top:1px solid var(--line); background:var(--panel); font-size:14px; color:var(--soft);}
.site-footer .bar{padding-block:26px; flex-wrap:wrap;}
.site-footer a{color:inherit;}

.policy h2{margin-top:1.8em;}

.longform{margin-top:48px;}
.longform h3{font-size:clamp(18px,2vw,22px); margin-top:1.4em;}
.longform ul,.longform ol{margin:0 0 1.1em; padding-left:1.3em;}
.longform li{margin-bottom:.4em;}
.lang-switch{margin:0 0 20px; text-align:right;}

@media (min-width: 1101px){ .tools{display:flex; align-items:center; gap:14px;} }
.langs{display:flex; align-items:center; gap:8px;}
.flag{display:block; line-height:0; border-radius:3px; padding:2px; border:1px solid transparent; opacity:.55; transition:opacity .15s;}
.flag svg{display:block; border-radius:2px; box-shadow:0 0 0 1px rgba(0,0,0,.18);}
.flag:hover{opacity:1;}
.flag[aria-current="true"]{opacity:1; border-color:var(--ink);}

/* Justified body text (both edges aligned), hyphenated so lines don't gap out */
main p, main li{text-align:justify; -webkit-hyphens:auto; hyphens:auto; text-justify:inter-word;}
.hero p, .note, .hint, .card p, .orcid-bio .aff, .works .meta, .badge-row, .tags{text-align:left; -webkit-hyphens:manual; hyphens:manual;}