/* Helge Gonnermann site styles. Colours and fonts are set here at the top. */
:root{
  --navy:#00205b; --ink:#1c2430; --muted:#5b6675; --line:#dfe3e8;
  --bg:#ffffff; --soft:#f4f6f8; --accent:#b8501e;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg)}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-underline-offset:2px}
a:hover{color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:20}

.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{color:#fff;text-decoration:none;display:flex;flex-direction:column;line-height:1.25}
.brand:hover{color:#fff}
.brand-name{font-family:var(--serif);font-size:1.35rem}
.brand-tag{font-size:.78rem;opacity:.8}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
nav a{color:#fff;text-decoration:none;font-size:.92rem;padding:6px 10px;border-radius:4px;display:block}
nav a:hover{background:rgba(255,255,255,.14);color:#fff}
nav a[aria-current=page]{background:rgba(255,255,255,.2)}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.5);color:#fff;font:inherit;font-size:.9rem;padding:5px 12px;border-radius:4px}

main.wrap{padding-top:36px;padding-bottom:56px;min-height:60vh}
h1,h2,h3{font-family:var(--serif);font-weight:normal;line-height:1.25;color:var(--navy)}
h1{font-size:2.1rem;margin:0 0 .6em}
h2{font-size:1.4rem;margin:1.8em 0 .5em;padding-bottom:.25em;border-bottom:1px solid var(--line)}
h3{font-size:1.1rem;margin:0 0 .2em}
.lead{font-size:1.12rem;color:var(--muted)}
.prose{max-width:72ch}
.prose.with-figure{max-width:none}
.prose.with-figure>p,.prose.with-figure>h2{max-width:72ch}
figure{margin:0}
figcaption{font-size:.82rem;color:var(--muted);padding:4px 2px 0;line-height:1.35}
.lead-fig{float:right;width:min(46%,440px);margin:0 0 16px 28px}
.lead-fig img,.hero-fig img,.wide img,.portrait img{border-radius:6px}
.wide{margin:24px 0}
.button{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:9px 18px;border-radius:5px;font-size:.95rem;margin:4px 6px 4px 0}
.button:hover{background:var(--accent);color:#fff}
.button.ghost{background:none;color:var(--navy);border:1px solid var(--navy)}
.button.ghost:hover{background:var(--navy);color:#fff}

.hero{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.hero h1{font-size:2.6rem;margin-bottom:.2em}
.interests{columns:2;column-gap:40px;padding-left:1.2em}
.interests li{break-inside:avoid;margin-bottom:.35em}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:18px 0}
.gallery.strip{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:40px}
.gallery a{display:block}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:5px;background:var(--soft);transition:opacity .15s}
.gallery a:hover img{opacity:.85}
.count{color:var(--muted);font-size:.9rem;margin-top:-.6em}
.crumb{font-size:.9rem;margin:0 0 .8em}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 6px 18px rgba(0,32,91,.14);transform:translateY(-2px);color:var(--ink)}
.card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card-title{font-family:var(--serif);color:var(--navy);font-size:1.05rem;padding:12px 14px 0;line-height:1.3}
.card-meta{font-size:.82rem;color:var(--muted);padding:2px 14px 14px}

.pubs{list-style:none;padding:0;margin:0}
.pubs li{padding:10px 0;border-bottom:1px solid var(--line);font-size:.97rem;overflow-wrap:anywhere}
.pub-year h2{border:0;margin-bottom:0;color:var(--accent);font-size:1.25rem}
a.pdf{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.04em;text-decoration:none;border:1px solid var(--navy);border-radius:3px;padding:0 6px;margin-left:4px;line-height:1.6}
a.pdf:hover{background:var(--navy);color:#fff}

.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.person{display:flex;gap:16px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:8px}
.person img{width:104px;height:130px;object-fit:cover;border-radius:5px;flex:none}
.person .ph{width:104px;height:130px;border-radius:5px;flex:none;background:var(--soft);border:1px dashed #b5bcc6}
.person p{margin:0;font-size:.9rem;line-height:1.5;overflow-wrap:anywhere}
.person .role{color:var(--accent);font-size:.85rem;margin-bottom:4px}

.lab-item video{width:100%;max-width:720px;border-radius:6px;background:#000;margin:12px 0}
.contact{display:grid;grid-template-columns:1fr 280px;gap:36px;align-items:start}
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 20px;margin:0 0 20px}
dt{color:var(--muted)}
dd{margin:0}

.site-footer{background:var(--soft);border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:22px 0}
.site-footer p{margin:2px 0}

.lightbox{position:fixed;inset:0;background:rgba(10,14,22,.94);z-index:50;display:none;align-items:center;justify-content:center;flex-direction:column}
.lightbox.open{display:flex}
.lightbox img{max-width:94vw;max-height:84vh;object-fit:contain}
.lightbox p{color:#e6e9ee;font-size:.9rem;margin:10px 16px 0;text-align:center}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;font-size:1.8rem;width:48px;height:48px;border-radius:50%;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.28)}
.lb-close{top:14px;right:14px}.lb-prev{left:14px;top:50%}.lb-next{right:14px;top:50%}

@media (max-width:760px){
  body{font-size:16px}
  .nav-toggle{display:block}
  nav{display:none;width:100%}
  nav.open{display:block}
  nav ul{flex-direction:column}
  .hero,.contact{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
  .interests{columns:1}
  .lead-fig{float:none;width:100%;margin:0 0 20px}
  .gallery{grid-template-columns:repeat(2,1fr);gap:8px}
  .site-header{position:static}
}
.recent{padding-left:1.2em}
.recent li{margin-bottom:.5em}
h2[id]{scroll-margin-top:90px}
.milestone{max-width:380px;margin:18px 0}
.milestone img{border-radius:6px}
.banner img{width:100%;aspect-ratio:16/9;object-fit:cover}
.gallery.pair{grid-template-columns:repeat(2,minmax(0,1fr));max-width:72ch;clear:both}
.figure-note{font-size:.85rem;color:var(--muted);margin-top:-6px}
/* Photo strips: show whole photos at a common height instead of cropping */
.gallery.strip{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start}
.gallery.strip figure{flex:0 1 auto}
.gallery.strip img{height:360px;width:auto;max-width:100%;aspect-ratio:auto;object-fit:contain}
@media (max-width:760px){.gallery.strip img{height:auto;width:100%}.gallery.strip figure{flex:1 1 100%}}
p[id]{scroll-margin-top:90px}
figure.poster{max-width:720px;margin:20px 0 8px}
figure.poster img{border:1px solid var(--line);border-radius:6px}
/* Group photos: whole photos at a common height, no cropping */
.gallery.natural{display:flex;flex-wrap:wrap;gap:10px}
.gallery.natural img{height:200px;width:auto;aspect-ratio:auto;object-fit:contain}
.group-lead{max-width:760px}
@media (max-width:760px){.gallery.natural img{height:130px}}
.gallery.pair.trio{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:760px){.gallery.pair.trio{grid-template-columns:repeat(2,minmax(0,1fr))}}
figure.movie{max-width:72ch;margin:18px 0}
figure.movie video{width:100%;border-radius:6px;background:#000}
figure.movie img{width:100%;border-radius:6px}
.person a.zoom{flex:none;display:block;cursor:zoom-in}
figure.banner{max-width:620px}
/* Home: research themes beside the fountain photo */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.interests.single{columns:1;margin:0}
.themes-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px}
@media (max-width:760px){.split{grid-template-columns:1fr}}