:root {
  --background: #ffffff;
  --text: #1b1b1b;
  --muted: #686868;
  --line: #d9d9d9;
  --link: #174a7e;
  --content-width: 820px;
  --serif: Georgia, "Times New Roman", Times, serif;
  /*--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; */
  --sans: "Lausanne", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

.site-header,
main,
footer {
  width: min(var(--content-width), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 42px 0 28px;
  border-bottom: 1px solid var(--line);
}

.identity {
  min-width: 230px;
}

.name {
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.08rem;
  font-weight: 650;
  text-decoration: none;
}

.identity p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.4;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.1rem;
  padding-top: 0.1rem;
  font-family: var(--sans);
  font-size: 0.82rem;
}

nav a {
  color: var(--text);
  text-decoration: none;
}

nav a:hover {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

main {
  padding-bottom: 40px;
}

section {
  padding: 54px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 1rem;
}

.intro {
  padding-top: 70px;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2.25rem;
  align-items: start;
}

.intro-copy {
  min-width: 0;
}

.intro-photo {
  margin: 0;
}

.intro-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.intro h1 {
  font-size: clamp(2.15rem, 5vw, 3rem);
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--text);
  font-family: var(--sans);
  font-weight: 650;
  line-height: 1.2;
}

h1 {
  margin-bottom: 1.15rem;
  font-size: clamp(2.15rem, 7vw, 3.45rem);
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 1.5rem;
  font-size: 1.45rem;
  letter-spacing: -0.015em;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1rem;
}

p {
  margin: 0 0 1.15rem;
}

p:last-child {
  margin-bottom: 0;
}

.position {
  max-width: 720px;
  margin-bottom: 1.6rem;
  color: #343434;
  font-size: 1.1rem;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
  margin-top: 1.6rem;
  font-family: var(--sans);
  font-size: 1rem;
}

.quick-links span {
  color: var(--muted);
}

.research-areas {
  margin: 2rem 0 0;
  border-top: 1px solid var(--line);
}

.research-areas > div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 1rem;
  padding: 0.8rem 0;
}

.research-areas dt {
  font-family: var(--sans);
  font-weight: 650;
}

.research-areas dd {
  margin: 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading > a {
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 0.8rem;
}

.publications {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.publications li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.1rem 0;
  }

.date {
  padding-top: 0.12rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.paper-title {
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.42;
}

.publications p {
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.plain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.2rem 2.8rem;
}

.plain-grid article {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.plain-grid p {
  color: #333;
  font-size: 0.96rem;
}

footer {
  padding: 24px 0 42px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.76rem;
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .site-header {
    display: block;
    padding-top: 28px;
  }

  nav {
    justify-content: flex-start;
    margin-top: 1.25rem;
  }

  .intro {
    padding-top: 48px;
  }

  .intro-layout {
    grid-template-columns: 1fr;
  }

  .intro-photo {
    width: min(100%, 320px);
    margin-top: 1.5rem;
  }

  section {
    padding: 42px 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading > a {
    display: inline-block;
    margin-top: 0.35rem;
  }

  .research-areas > div,
  .publications li,
  .plain-grid {
    grid-template-columns: 1fr;
  }

  .research-areas > div,
  .publications li {
    gap: 0.3rem;
  }

  .plain-grid {
    gap: 1.6rem;
  }
}