:root {
  color-scheme: light;
  --cardinal: #8c1515;
  --ink: #17212b;
  --muted: #5f6873;
  --line: #dfe5e8;
  --mist: #eef3f4;
  --leaf: #587568;
  --gold: #b08a3b;
  --paper: #ffffff;
  --wash: #f7f8f5;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Source Sans Pro", Inter, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.62;
  color: var(--ink);
  background: var(--wash);
}

a {
  color: var(--cardinal);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: grid;
  gap: 1px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand .stanford {
  color: var(--cardinal);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.nav a,
.footer-links a {
  border-radius: 6px;
  color: var(--ink);
  font-weight: 700;
  padding: 8px 10px;
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--cardinal);
  color: #fff;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 42px 24px 28px;
}

.hero-copy h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(1.85rem, 3.4vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-copy > p:last-child {
  max-width: 780px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--leaf);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.content-shell {
  max-width: var(--max);
  margin: 0 auto 60px;
  padding: 38px 24px 20px;
  background: var(--paper);
  border-top: 4px solid var(--cardinal);
}

.content-shell h2,
.content-shell h3,
.content-shell h4 {
  margin: 34px 0 14px;
  line-height: 1.15;
  letter-spacing: 0;
}

.content-shell h2 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.content-shell h4 {
  font-size: 1.55rem;
}

.content-shell p {
  max-width: 850px;
}

.content-shell ol,
.content-shell ul {
  padding-left: 1.35rem;
}

.content-shell li {
  margin: 0 0 18px;
}

.content-shell table {
  width: 100%;
  border-collapse: collapse;
}

.content-shell td,
.content-shell th {
  padding: 12px;
  vertical-align: top;
}

.people-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}

.people-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.people-actions a:hover {
  border-color: var(--cardinal);
  color: var(--cardinal);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.person-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  min-height: 180px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.person-card img {
  width: 150px;
  max-width: 100%;
  aspect-ratio: 1 / 1.15;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.person-details b {
  display: inline-block;
  margin-bottom: 4px;
  font-size: 1.08rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.photo-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  overflow: hidden;
}

.photo-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.photo-card figcaption {
  padding: 12px 14px;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.3;
}

.research img[src*="Kao_2008"],
.research img[src*="Kvitek_2013"] {
  display: block;
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.research ul {
  margin-top: 8px;
}

.research li {
  margin: 0;
  padding: 8px 0 10px;
  border-bottom: 1px solid var(--line);
  line-height: 1.38;
}

.research li br {
  display: block;
  line-height: 0.4;
}

.research li img {
  max-height: 28px;
  width: auto;
  margin: 2px 0 0;
  border: 0;
  border-radius: 0;
}

.research-intro {
  max-width: 900px;
}

.research-intro h2 {
  margin-top: 0;
}

.research-highlights {
  display: grid;
  gap: 20px;
  margin: 34px 0;
}

.research-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.research-card figure {
  margin: 0;
}

.research-card img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.research-card figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.3;
}

.research-card h2 {
  margin-top: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
}

.research-card p {
  max-width: 720px;
}

.paper-link {
  margin-bottom: 0;
  font-weight: 800;
}

.research-references {
  margin-top: 34px;
}

.research-references ul {
  padding-left: 0;
  list-style: none;
}

.publications li {
  margin: 0;
  padding: 5px 0 6px;
  border-bottom: 1px solid var(--line);
  line-height: 1.36;
}

.publications ol {
  margin-top: 0;
}

.publication-legend {
  margin-top: 18px;
}

.publication-legend tr,
.publication-legend td {
  display: block;
  padding: 0;
}

.publication-heading {
  margin: 28px 0 12px;
  font-size: clamp(1.65rem, 2.5vw, 2.25rem);
}

.publications li > br {
  display: none;
}

.publications li > br.publication-link-break {
  display: block;
}

.publications li table {
  display: table;
  width: auto;
  margin-top: 4px;
}

.publication-links {
  display: block;
  flex-wrap: wrap;
  align-items: center;
  clear: both;
  margin-top: 2px;
  width: 100%;
}

.publication-links a {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
}

.publications li table tr {
  display: flex;
  align-items: center;
  gap: 8px;
}

.publications li td {
  display: flex;
  align-items: center;
  padding: 0 6px 0 0;
}

.publications .altmetric-embed {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}

.publications p:first-child {
  padding: 14px 16px;
  background: var(--mist);
  border-radius: 8px;
}

.author-role {
  font-weight: inherit;
}

.author-postdoc {
  color: #245db4;
}

.author-grad {
  color: #b42318;
}

.author-undergrad {
  color: #27733c;
}

.publications table,
.index table {
  width: auto;
}

.publications img,
.index img {
  max-height: 28px;
  width: auto;
}

.index h2 {
  margin-top: 28px;
}

.index ol:not(.selected-recent) {
  margin-top: 0;
}

.index li:not(.selected-recent li) {
  margin: 0;
  padding: 0;
  line-height: 1.32;
  border-bottom: 1px solid var(--line);
}

.index li:not(.selected-recent li) > br {
  display: none;
  line-height: 0;
  margin: 0;
}

.index li:not(.selected-recent li) table {
  display: inline-table;
  border-collapse: collapse;
  border-spacing: 0;
  width: auto;
  margin: 0;
  line-height: 0;
  vertical-align: middle;
}

.index li:not(.selected-recent li) table tr {
  display: table-row;
}

.index li:not(.selected-recent li) td {
  display: table-cell;
  padding: 0 2px 0 0;
  line-height: 0;
  vertical-align: middle;
}

.index li:not(.selected-recent li) td:last-child {
  padding-right: 0;
}

.selected-recent {
  margin-top: 0;
}

.selected-recent li {
  margin: 0;
  padding: 2px 0 3px;
  border-bottom: 1px solid var(--line);
  line-height: 1.32;
}

.selected-recent li > br {
  display: none;
}

.selected-recent li table {
  display: table;
  width: auto;
  margin-top: 1px;
}

.selected-recent li table tr {
  display: flex;
  align-items: center;
  gap: 4px;
}

.selected-recent li td {
  display: flex;
  align-items: center;
  padding: 0 3px 0 0;
}

.selected-recent .altmetric-embed {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}

.funding li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.content-shell.contact {
  font-size: 1.08rem;
}

.contact iframe {
  width: 100%;
  height: 640px;
  border: 0;
}

.spacer {
  display: block;
  height: 16px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(24px, calc((100vw - var(--max)) / 2));
  color: #fff;
  background: #16251f;
}

.site-footer p {
  margin: 6px 0 0;
  color: #d9e3df;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}

.footer-links a {
  color: #fff;
}

@media (max-width: 780px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 46px;
  }

  .content-shell {
    padding-top: 26px;
  }

  .content-shell table,
  .content-shell tbody,
  .content-shell tr,
  .content-shell td {
    display: block;
    width: 100%;
  }

  .people-grid {
    grid-template-columns: 1fr;
  }

  .photo-grid {
    grid-template-columns: 1fr;
  }

  .person-card {
    grid-template-columns: 108px minmax(0, 1fr);
  }

  .research-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .person-card {
    grid-template-columns: 1fr;
  }
}