/* Layout: one 920px column; header and footer share it. Publications sit in a year column + list grid. */
:root {
  --bg: #fdfcfc;
  --surface: #f5f1f1;      /* thumbnails, venue chips */
  --line: #e6dfdf;
  --text: #221c1d;
  --muted: #6b6163;
  --accent: #8c1d2f;        /* burgundy */
  --accent-soft: #f6e8ea;
  --font: "Open Sans", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --step--1: .84rem;
  --step-0: 1rem;
  --step-1: 1.2rem;
  --step-2: 1.6rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171314; --surface: #221c1e; --line: #342b2d; --text: #eee8e9;
    --muted: #a99ea0; --accent: #e58a98; --accent-soft: #3a2328; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #171314; --surface: #221c1e; --line: #342b2d; --text: #eee8e9;
  --muted: #a99ea0; --accent: #e58a98; --accent-soft: #3a2328; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 400 var(--step-0)/1.65 var(--font); }
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
strong { font-weight: 600; }

.wrap { max-width: 920px; margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px)); }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 32px; padding-block: 28px 20px; }
.site-title { display: flex; flex-direction: column; color: var(--text); text-decoration: none;
  font-size: var(--step-1); font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
.site-title span { font-size: var(--step--1); font-weight: 400; color: var(--muted); letter-spacing: 0; }
nav { display: flex; flex-wrap: wrap; gap: 4px 24px; }
nav a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600;
  padding-block: 4px; border-bottom: 2px solid transparent; }
nav a:hover { color: var(--text); }
nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

main.wrap { padding-block: 40px 64px; }

/* Headings */
h1 { font-size: var(--step-2); font-weight: 700; letter-spacing: -.015em; line-height: 1.2;
  margin: 0 0 .5em; text-wrap: balance; }
h2 { font-size: var(--step-1); font-weight: 700; letter-spacing: -.01em; margin: 3rem 0 1.2rem; }
h3 { font-size: var(--step-0); font-weight: 600; line-height: 1.4; margin: 0 0 .4em; text-wrap: balance; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); max-width: 62ch; }

/* Home: intro */
.intro { display: grid; grid-template-columns: 176px minmax(0, 1fr); gap: 36px; align-items: start; }
.portrait { width: 176px; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 6px; display: block; }
.intro-text { max-width: 64ch; }
.role { font-size: var(--step--1); font-weight: 600; color: var(--muted); line-height: 1.5; margin-bottom: 1rem; }
.contact { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 1.25rem; font-size: .92rem; font-weight: 600; }
.contact a { text-decoration: none; }
.contact a:hover { text-decoration: underline; }

/* Home: research */
.pillars { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; }
.pillars p { color: var(--muted); font-size: .95rem; }
.more { margin-top: 1.5rem; font-weight: 600; }
.more a { text-decoration: none; }
.more a::after { content: " \2192"; }

/* Publications */
.pubs { display: grid; gap: 28px; }
.pub { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; align-items: start; }
.pub-thumb { position: relative; display: block; aspect-ratio: 16 / 10; max-width: 100%;
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.pub-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pub-thumb .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  padding: 10px 14px; text-align: center; line-height: 1.3;
  color: var(--accent); font-size: .9rem; font-weight: 700; letter-spacing: .02em; }
.pub-title { margin: 0 0 .25rem; }
.pub-authors { font-size: .88rem; color: var(--muted); margin: 0 0 .4rem; }
.pub-authors strong { color: var(--text); }
.pub-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 .5rem; }
.venue, .award { font-size: .76rem; font-weight: 600; letter-spacing: .02em; line-height: 1;
  padding: 5px 8px; border-radius: 4px; }
.venue { background: var(--surface); color: var(--text); }
.award { background: var(--accent-soft); color: var(--accent); }
.pub-links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; font-size: .85rem; font-weight: 600; }
.pub-links a { text-decoration: none; }
.pub-links a:hover { text-decoration: underline; }

.year { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 0 24px;
  padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--line); }
.year-label { margin: 0; font-size: var(--step-1); color: var(--muted); font-variant-numeric: tabular-nums;
  align-self: start; position: sticky; top: 16px; }

/* Plain pages (group, teaching) */
main ul { padding-left: 1.2em; }
main li { margin: .3em 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th { text-align: left; font-size: var(--step--1); color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--line); padding: 6px 12px 6px 0; }
td { padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.site-footer .wrap { padding-block: 20px 36px; }

@media (max-width: 720px) {
  .intro { grid-template-columns: 1fr; gap: 20px; }
  .portrait { width: 128px; }
  .pillars { grid-template-columns: 1fr; }
  .pub { grid-template-columns: 1fr; gap: 12px; }
  .pub-thumb { max-width: 420px; }
  .year { grid-template-columns: 1fr; }
  .year-label { position: static; margin-bottom: 16px; }
}