:root {
  --bg: #ffffff;
  --text: #333333;
  --muted: #666666;
  --border: #e5e5e5;
  --link: #2a7db8;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.topbar {
  border-bottom: 1px solid var(--border);
}

.topbar-inner,
.layout {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.site-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #555555;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}

.nav a {
  font-size: 1rem;
  color: #666666;
}

.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 56px;
  padding: 38px 0 56px;
}

.sidebar {
  position: sticky;
  top: 28px;
  align-self: start;
}

.avatar-wrap {
  margin-bottom: 18px;
}

.avatar,
.avatar-fallback {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.avatar {
  object-fit: cover;
}

.avatar-fallback {
  display: grid;
  place-items: center;
  font-family: "Source Serif 4", serif;
  font-size: 2rem;
  font-weight: 700;
  color: #4b4b4b;
  background: #fafafa;
}

.hidden {
  display: none;
}

.name {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.2;
  font-family: "Source Serif 4", serif;
  font-weight: 700;
}

.role,
.affiliation,
.contact-list p,
.contact-list a,
.paragraphs p,
.interests-line,
.publication-item p,
.contact-note {
  margin: 0 0 10px;
  color: #4f4f4f;
  font-size: 1rem;
}

.contact-list {
  margin-top: 18px;
}

.contact-list a,
.contact-list p {
  display: block;
}

.content {
  min-width: 0;
}

.content-section + .content-section {
  margin-top: 34px;
}

.section-title {
  margin: 0 0 16px;
  font-size: 1.9rem;
  font-family: "Source Serif 4", serif;
  font-weight: 700;
  color: #444444;
}

.paragraphs p:last-child,
.publication-item p:last-child,
.contact-note:last-child {
  margin-bottom: 0;
}

.interests-line {
  margin-top: 8px;
}

.publication-list {
  display: grid;
  gap: 18px;
}

.publication-item {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.publication-title {
  font-weight: 700;
  color: #333333;
}

.publication-links a + a::before {
  content: " · ";
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 260ms ease,
    transform 260ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .topbar-inner,
  .layout {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .topbar-inner,
  .layout {
    display: block;
  }

  .nav {
    gap: 18px;
    padding-bottom: 16px;
  }

  .site-title {
    display: block;
    padding: 18px 0 14px;
  }

  .sidebar {
    position: static;
    margin-bottom: 32px;
  }

  .avatar,
  .avatar-fallback {
    width: 120px;
    height: 120px;
  }
}