:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --line: #e5e5e5;
  --link: #6f42c1;
  --link-hover: #4f2d91;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Crimson Text", serif;
}

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

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

.site-shell {
  width: min(1000px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}

.site-title,
.site-nav,
.section-label,
.profile-links,
.profile-meta,
.news-item time,
.citation,
.notes-box h3,
.contact-grid,
.site-footer {
  font-family: "Inter", sans-serif;
}

.site-title {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) 280px;
  gap: 44px;
  align-items: start;
  margin-bottom: 54px;
}

.about-main h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
}

.about-main p {
  margin: 0 0 18px;
  font-size: 1.28rem;
  line-height: 1.6;
}

.lede {
  color: #222222;
}

.profile-card {
  position: sticky;
  top: 24px;
}

.profile-photo {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  height: auto;
  background: #f3f3f3;
  margin-bottom: 16px;
}

.profile-meta {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.profile-meta p {
  margin: 0;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.92rem;
}

.content-section {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.section-label {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: lowercase;
  padding-top: 4px;
}

.section-body p {
  margin: 0 0 16px;
  font-size: 1.2rem;
  line-height: 1.6;
}

.news-list {
  display: grid;
  gap: 10px;
}

.news-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.news-item time {
  color: var(--muted);
  font-size: 0.9rem;
  padding-top: 4px;
}

.news-item p {
  margin: 0;
}

.publication-list {
  margin: 0;
  padding-left: 24px;
}

.publication-item {
  margin-bottom: 26px;
}

.publication-item h2 {
  margin: 0 0 8px;
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.25;
}

.citation {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.abstract {
  margin-top: 8px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
  gap: 24px;
}

.notes-box {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: #fafafa;
}

.notes-box h3 {
  margin: 0 0 12px;
  font-size: 0.98rem;
  color: var(--text);
}

.notes-box ul {
  margin: 0;
  padding-left: 18px;
}

.notes-box li {
  margin-bottom: 8px;
  font-size: 1.05rem;
  line-height: 1.5;
}

.contact-grid {
  display: grid;
  gap: 10px;
  font-size: 0.98rem;
}

.site-footer {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .about-layout,
  .content-section,
  .two-column {
    grid-template-columns: 1fr;
  }

  .profile-card {
    position: static;
    max-width: 320px;
  }

  .section-label {
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 24px, 1000px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-main p,
  .section-body p,
  .notes-box li {
    font-size: 1.08rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}