:root {
  --background: #ffffff;
  --text: #242424;
  --muted: #666666;
  --faint: #8a8a8a;
  --line: #d7d7d7;
  --link: #155c94;
  --link-hover: #0b3f68;
  --max-width: 920px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

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

::selection {
  background: #dceaf5;
}

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

a:hover {
  color: var(--link-hover);
}

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

p,
h1,
h2,
h3,
figure {
  margin-top: 0;
}

img {
  display: block;
  max-width: 100%;
}

.page-width {
  width: min(calc(100% - 42px), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  padding: 7px 10px;
  color: #ffffff;
  background: #222222;
  font-family: var(--sans);
  font-size: 0.85rem;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-name {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 19px;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.015em;
}

.site-nav a {
  color: #3f3f3f;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  border-bottom-color: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  align-items: start;
  gap: 58px;
  padding-block: 58px 48px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin-bottom: 11px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.105em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 7px;
  font-size: clamp(2.65rem, 7vw, 4.35rem);
  font-weight: 500;
  letter-spacing: -0.037em;
  line-height: 1.02;
}

.role {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-copy > p:not(.eyebrow):not(.role):not(.profile-links) {
  max-width: 64ch;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 9px;
  margin: 25px 0 0;
  font-family: var(--sans);
  font-size: 0.86rem;
  text-transform: lowercase;
}

.profile-links span {
  color: #aaaaaa;
}

.portrait-wrap {
  margin: 3px 0 0;
}

.portrait {
  width: 210px;
  height: 263px;
  object-fit: cover;
  border: 1px solid #cfcfcf;
}

.main-column {
  padding-bottom: 34px;
}

.section {
  padding-block: 39px 45px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 16px;
}

h2 {
  margin-bottom: 23px;
  font-size: clamp(1.7rem, 4vw, 2.08rem);
  font-weight: 500;
  letter-spacing: -0.021em;
  line-height: 1.15;
}

.section-intro {
  max-width: 69ch;
  margin-bottom: 28px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 50px;
  row-gap: 25px;
}

.research-grid article {
  padding-top: 15px;
  border-top: 1px solid #ebebeb;
}

.research-grid h3,
.subheading {
  margin-bottom: 7px;
  font-family: var(--sans);
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.research-grid p {
  margin-bottom: 0;
  color: #3e3e3e;
  font-size: 0.98rem;
}

.publication-list {
  margin: 0;
  padding-left: 1.55rem;
}

.publication-list li {
  padding-left: 0.55rem;
  margin-bottom: 27px;
}

.publication-list li:last-child {
  margin-bottom: 0;
}

.publication-list li::marker {
  color: var(--faint);
  font-family: var(--sans);
  font-size: 0.78rem;
}

.pub-title {
  margin-bottom: 3px;
  font-weight: 700;
  line-height: 1.4;
}

.pub-authors,
.pub-venue,
.pub-note {
  margin-bottom: 2px;
  font-size: 0.94rem;
}

.pub-authors {
  color: #424242;
}

.pub-venue {
  color: var(--muted);
}

.pub-note {
  max-width: 70ch;
  margin-top: 8px;
  color: #4d4d4d;
}

.subheading {
  margin-top: 30px;
  margin-bottom: 10px;
  color: #2d2d2d;
}

.section > h2 + .subheading {
  margin-top: 0;
}

.dated-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dated-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px solid #ececec;
}

.dated-list li:first-child {
  border-top: 1px solid #ececec;
}

.dated-list time {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.82rem;
  white-space: nowrap;
}

.dated-list.compact li {
  padding-block: 8px;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 58px;
}

.two-column .subheading {
  margin-top: 0;
  padding-bottom: 9px;
  border-bottom: 1px solid #ececec;
}

.entry {
  margin-bottom: 23px;
}

.entry p {
  margin-bottom: 1px;
}

.entry-title {
  font-weight: 700;
}

.muted {
  color: var(--muted);
  font-size: 0.94rem;
}

.skills-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 38px;
  margin-top: 10px;
  padding-top: 18px;
  border-top: 1px solid #ececec;
}

.skills-line p {
  margin: 0;
  font-size: 0.94rem;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px 34px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-block: 18px;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 7px 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 42px 39px;
  }

  .portrait {
    width: 150px;
    height: 188px;
  }

  .research-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .research-grid {
    row-gap: 20px;
  }

  .two-column {
    gap: 23px;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  .page-width {
    width: min(calc(100% - 30px), var(--max-width));
  }

  .site-nav {
    font-size: 0.77rem;
  }

  .hero {
    padding-top: 34px;
  }

  .portrait {
    width: 128px;
    height: 160px;
  }

  .role {
    margin-bottom: 22px;
  }

  .section {
    padding-block: 32px 37px;
  }

  .dated-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Separate Photos page */
.photos-page {
  padding-block: 54px 58px;
}

.photos-intro {
  max-width: 66ch;
  margin-bottom: 32px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px 30px;
  margin: 0;
}

.photo-card {
  margin: 0;
}

.photo-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid #d7d7d7;
  background: #f6f6f6;
}

.photo-card figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.45;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: currentColor;
}

@media (max-width: 640px) {
  .photo-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}