:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #1f2328;
  --muted: #5f6670;
  --rule: #e6e8eb;
  --accent: #1a5fb4;       /* close to RoyalBlue in the LaTeX CV */
  --accent-soft: #e8f0fa;
  --maxw: 50rem;
}

* { box-sizing: border-box; }
html { font-size: 17px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Charter", "Bitstream Charter", "Iowan Old Style", Georgia, serif;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  border-bottom: 1px solid var(--rule);
}
header.site .inner, main, footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1rem;
}
header.site .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}
.name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}
nav a {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-size: .85rem;
  letter-spacing: .02em;
  color: var(--muted);
}
nav { display: flex; flex-wrap: wrap; gap: .3rem 1.1rem; }
nav a { white-space: nowrap; display: inline-block; }
nav a[aria-current="page"] { color: var(--accent); }

main { padding-top: 2.25rem; padding-bottom: 3rem; }
h1 { font-size: 1.6rem; font-weight: 600; margin: 0 0 1rem; }
h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 2.25rem 0 .75rem;
  padding-bottom: .3rem;
  border-bottom: 1px solid var(--rule);
}

/* Home */
.intro {
  display: flex;
  gap: 1.75rem;
  align-items: flex-end;
  margin-bottom: 1.75rem;
}
.intro h1 { margin-bottom: .9rem; }
.portrait {
  display: block;
  width: 190px;
  height: auto;
  border-radius: 4px;
  flex-shrink: 0;
}
.role { color: var(--muted); margin: 0 0 .5rem; line-height: 1.45; }
.links {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-size: .85rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  margin-top: 1.25rem;
}
@media (max-width: 560px) {
  .intro { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .portrait { width: 150px; }
  nav { gap: .3rem .9rem; }
}

/* Lists */
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { margin-bottom: 1rem; }
ul.plain.compact { display: flex; flex-wrap: wrap; gap: .3rem 1.4rem; }
ul.plain.compact li { margin: 0; }
ul.plain.tight li { margin-bottom: .3rem; }
ul.plain.tight .title { display: inline-block; min-width: 6.5rem; }
ul.plain.tight .ref { display: inline; }
h3 { font-size: .98rem; font-weight: 600; margin: 1.6rem 0 .3rem; }
h3 + .note { margin-top: 0; }
.title { font-weight: 600; }
.authors, .ref { display: block; color: var(--muted); font-size: .92rem; }
.authors strong { color: var(--text); font-weight: 600; }
.ref a { margin-right: .6rem; }
.tag {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 3px;
  padding: .05rem .35rem;
  margin-left: .35rem;
  vertical-align: .1em;
}
.note { color: var(--muted); font-size: .92rem; }

footer {
  color: var(--muted);
  font-size: .8rem;
  padding-bottom: 2rem;
}

/* Research page: text beside a picture, alternating sides */
.row {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.row.flip { flex-direction: row-reverse; }
.row .text { flex: 1; min-width: 0; }
.row .text p:first-child { margin-top: 0; }
figure.pic { flex: 0 0 280px; margin: 0; }
figure.pic img {
  display: block;
  width: 280px;
  height: 250px;
  object-fit: contain;
  background: #fff;
  box-sizing: border-box;
}
/* intro: the Venn diagram floats right and the text wraps around it */
.intro-wrap::after { content: ""; display: block; clear: both; }
.intro-wrap p:first-of-type { margin-top: 0; }
figure.pic.big { float: right; width: 420px; margin: .2rem 0 .8rem 1.75rem; }
figure.pic.big img { width: 100%; height: auto; }
figcaption { color: var(--muted); font-size: .78rem; line-height: 1.4; margin-top: .45rem; }
.relevant { font-size: .9rem; color: var(--muted); }
@media (max-width: 640px) {
  .row, .row.flip { flex-direction: column; }
  figure.pic { flex-basis: auto; width: 100%; }
  figure.pic img { width: 100%; height: 240px; }
  figure.pic.big { float: none; width: 100%; margin: 0 0 1rem; }
}

ul.questions { margin: -.4rem 0 1rem; padding-left: 1.3rem; }
ul.questions li { margin-bottom: .45rem; }

/* Recent papers on the home page */
ol.recent { list-style: none; padding: 0; margin: 0; }
ol.recent li { margin-bottom: .9rem; }