/* Minimal, modern, accessible styling */
:root {
  --bg: #0b0c10;
  --panel: #111318;
  --text: #e8eaf1;
  --muted: #aab1c6;
  --accent: #7cc4ff;
  --link: #8ed1fc;
  --card: #191c23;
  --border: #2a2f3a;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #0f1220 60%, #0b0f19 100%);
  color: var(--text);
  line-height: 1.6;
}
.container { max-width: 980px; margin: 0 auto; padding: 1rem 1.25rem; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(11,12,16,0.75); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; gap: 1rem; }
.brand { display: flex; flex-direction: column; }
.brand a { font-weight: 800; font-size: 1.15rem; color: var(--text); }
.tagline { font-size: .85rem; color: var(--muted); }
.nav { margin-left: auto; display: flex; gap: 1rem; }
.nav a[aria-current="page"] { font-weight: 600; color: var(--accent); }
.nav-toggle { display: none; margin-left: .5rem; }
@media (max-width: 760px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 56px; right: 12px; background: var(--panel); padding: .75rem; border: 1px solid var(--border); border-radius: 12px; }
  .nav-toggle { display: inline-block; background: var(--card); border: 1px solid var(--border); color: var(--text); padding: .4rem .6rem; border-radius: 8px; }
}
.hero { padding: 3.5rem 0 2rem; background: radial-gradient(1200px 400px at 10% -10%, #1a2030, transparent), radial-gradient(1200px 400px at 90% 0%, #0e2335, transparent); border-bottom: 1px solid var(--border); }
.hero .headline { font-size: 2.2rem; margin: 0 0 .5rem; }
.accent { color: var(--accent); }
.subheadline { color: var(--muted); max-width: 60ch; }
.cta-row { margin-top: 1rem; display: flex; gap: .75rem; flex-wrap: wrap; }
.button { background: var(--accent); color: #081018; border: none; padding: .6rem .9rem; border-radius: 10px; font-weight: 600; }
.button:hover { filter: brightness(0.95); text-decoration: none; }
.button-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.button-inline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.section { padding: 2.25rem 0; }
.section.alt { background: rgba(17,19,24,0.55); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.grid-2 { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.25rem; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1rem 1rem; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.news-list, .pubs-list, .teaching-list, .meta { list-style: none; padding: 0; margin: .5rem 0 0; }
.news-list li, .teaching-list li, .meta li { padding: .4rem 0; border-bottom: 1px dashed #232937; }
.news-list li:last-child, .teaching-list li:last-child, .meta li:last-child { border-bottom: none; }
.muted { color: var(--muted); }
.pubs-list li { margin: .5rem 0; padding: .6rem .6rem; border: 1px solid var(--border); border-radius: 12px; background: #141823; }
.pubs-list .title { font-weight: 600; }
.pubs-list .meta { display: flex; flex-wrap: wrap; gap: .75rem; border: none; margin-top: .25rem; }
.site-footer { border-top: 1px solid var(--border); padding: 1.2rem 0; color: var(--muted); background: rgba(11,12,16,0.8); }