:root {
  --page: #f4fbff;
  --ink: #1a2633;
  --muted: #526778;
  --link: #1769aa;
  --link-hover: #0f4f82;
  --line: #c8dce9;
  --panel: #ffffff;
  --news: #edf8ff;
  --research: #f8fcff;
  --experience: #eef9f6;
  --education: #f6f9ff;
  --accent: #7ebee2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

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

a:hover,
a:focus-visible {
  color: var(--link-hover);
  text-decoration: underline;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(140, 174, 196, 0.45);
  background: rgba(244, 251, 255, 0.9);
  backdrop-filter: blur(10px);
}

.top-nav {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  gap: 18px;
  justify-content: flex-end;
  overflow-x: auto;
  padding: 12px 0;
  white-space: nowrap;
}

.top-nav a {
  color: #2c4b60;
  font-size: 13px;
}

.top-nav a[aria-current="true"] {
  color: #0d4f7a;
  font-weight: 700;
}

.page-shell {
  width: min(960px, calc(100% - 32px));
  margin: 28px auto 42px;
}

.section-band {
  margin: 0 0 18px;
  padding: 26px;
  border: 1px solid rgba(140, 174, 196, 0.45);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 14px 36px rgba(47, 90, 116, 0.06);
}

.tint-news {
  background: var(--news);
}

.tint-research {
  background: var(--research);
}

.tint-experience {
  background: var(--experience);
  border-left-color: #72b8a7;
}

.tint-education {
  background: var(--education);
  border-left-color: #95add9;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 30px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 4px;
  color: #54768a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 14px;
  font-size: 36px;
  line-height: 1.1;
  font-weight: 700;
}

h2 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 5px;
  font-size: 16px;
  line-height: 1.3;
}

.lead {
  color: #27384a;
  font-size: 17px;
}

.intro-copy p:not(.eyebrow) {
  max-width: 650px;
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.focus-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 10px;
  border: 1px solid rgba(76, 137, 174, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #284f66;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.link-row a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(87, 139, 171, 0.45);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  color: #184f78;
  font-weight: 800;
}

.link-row a:hover,
.link-row a:focus-visible {
  background: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.icon-link img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.profile-panel {
  padding: 16px;
  border: 1px solid rgba(140, 174, 196, 0.48);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  margin-bottom: 16px;
  border: 1px solid rgba(87, 139, 171, 0.35);
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  background: #e9f5fb;
}

dl {
  margin: 0;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

dd {
  margin: 1px 0 11px;
}

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

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

.news-list li {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  padding: 8px 0;
  border-top: 1px solid rgba(122, 164, 190, 0.28);
}

.news-list li[hidden] {
  display: none;
}

.news-list.is-collapsed .news-extra {
  display: none;
}

.news-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.news-list time {
  color: #5d788c;
  font-weight: 700;
}

.news-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  margin-top: 12px;
  padding: 5px 11px;
  border: 1px solid rgba(76, 137, 174, 0.32);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: #285f7f;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.news-toggle::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 160ms ease;
}

.news-toggle[aria-expanded="true"]::after {
  transform: translateY(2px) rotate(225deg);
}

.news-toggle:hover,
.news-toggle:focus-visible {
  border-color: rgba(42, 105, 143, 0.48);
  background: rgba(255, 255, 255, 0.9);
  color: #144f73;
  text-decoration: none;
}

.spotlight-research {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-left: 6px;
  padding: 3px 9px;
  border: 1px solid rgba(215, 55, 31, 0.28);
  border-radius: 999px;
  background: rgba(215, 55, 31, 0.09);
  color: #d7371f;
  font-size: 1em;
  font-weight: 800;
  line-height: 1.1;
}

.section-heading {
  margin-bottom: 16px;
}

.publication {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 18px;
  padding: 17px 0;
  border-top: 1px solid rgba(122, 164, 190, 0.28);
}

.publication.featured {
  grid-template-columns: 230px minmax(0, 1fr);
}

.pub-image {
  align-self: start;
  width: 230px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(123, 156, 175, 0.45);
  border-radius: 8px;
  background: #fff;
}

.pub-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #fff;
}

.authors,
.venue {
  margin-bottom: 4px;
}

.authors {
  color: #33495b;
}

.venue {
  color: #7d4f2f;
  font-weight: 700;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 7px;
}

.pub-links a {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 2px 8px;
  border: 1px solid rgba(87, 139, 171, 0.38);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.65);
  color: #184f78;
  font-size: 13px;
  font-weight: 700;
}

.pub-links a:hover,
.pub-links a:focus-visible {
  background: #fff;
  text-decoration: none;
}

.pub-copy p:last-child,
.timeline p:last-child,
.compact-list p:last-child {
  margin-bottom: 0;
}

.compact-list {
  margin-top: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(122, 164, 190, 0.28);
}

.compact-list p {
  margin-bottom: 7px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline article {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(122, 164, 190, 0.28);
}

.timeline article > div {
  min-width: 0;
}

.timeline article:first-child {
  padding-top: 0;
  border-top: 0;
}

.timeline time {
  color: var(--muted);
  font-weight: 700;
}

.footer {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto 28px;
  color: #60798a;
  font-size: 13px;
}

@media (max-width: 760px) {
  .top-nav {
    justify-content: flex-start;
  }

  .section-band {
    padding: 20px;
  }

  .intro,
  .publication,
  .publication.featured,
  .timeline article,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

  h1 {
    font-size: 31px;
  }

  .profile-panel {
    max-width: 320px;
  }

  .pub-image {
    width: min(100%, 360px);
  }

  .pub-image img {
    width: 100%;
    height: 100%;
  }

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

@media (max-width: 420px) {
  body {
    font-size: 14px;
  }

  .page-shell,
  .top-nav,
  .footer {
    width: min(100% - 20px, 960px);
  }

  .section-band {
    padding: 16px;
  }

  .link-row a {
    flex: 0 0 40px;
  }
}