:root {
  color-scheme: light;
  --background: #ffffff;
  --text: #1f2937;
  --muted: #667085;
  --border: #e5e7eb;
  --link: #2457a6;
  --link-hover: #173d78;
  --container: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

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

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

.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.55rem 0.75rem;
  background: var(--text);
  color: white;
  transform: translateY(-160%);
}

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

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

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-inner {
  min-height: 4.5rem;
}

.site-title {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-size: 0.9rem;
}

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

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 145px;
  gap: 3.5rem;
  align-items: start;
  padding-block: 4.5rem 3.5rem;
}

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

h1 {
  margin-bottom: 0.25rem;
  font-size: clamp(2.25rem, 6vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 1.4rem;
  font-size: 1.45rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
  line-height: 1.45;
}

.subtitle {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.affiliation {
  color: var(--muted);
  font-size: 0.92rem;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0;
  font-size: 0.95rem;
}

.portrait {
  display: block;
  width: 145px;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}

main > section:not(.intro) {
  padding-block: 3rem;
  border-top: 1px solid var(--border);
}

.research-list {
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
}

.research-list li + li {
  margin-top: 0.75rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.4rem;
}

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

.section-header > a {
  flex: none;
  font-size: 0.88rem;
}

.publication-list {
  margin: 0;
  padding-left: 1.35rem;
}

.publication-list > li + li {
  margin-top: 2rem;
}

.publication {
  padding-left: 0.45rem;
}

.publication h3 {
  margin-bottom: 0.45rem;
}

.publication h3 a {
  text-decoration-thickness: 1px;
}

.publication p {
  margin-bottom: 0.55rem;
}

.publication-meta {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.authors {
  color: var(--muted);
  font-size: 0.88rem;
}

.entry + .entry {
  margin-top: 2.25rem;
}

.entry-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
}

.entry-heading p {
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.entry-heading time {
  flex: none;
  color: var(--muted);
  font-size: 0.85rem;
}

.entry > p {
  margin-bottom: 0;
}

.compact-entry + .compact-entry {
  margin-top: 1.5rem;
}

.compact-entry .entry-heading p {
  margin-bottom: 0;
}

.site-footer {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-inner {
  min-height: 5rem;
}

.footer-inner p {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.6rem;
    padding-block: 1rem;
  }

  nav {
    gap: 0.7rem 1rem;
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 3rem;
  }

  .portrait {
    grid-row: 1;
    width: 112px;
  }

  .section-header,
  .entry-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }

  main > section:not(.intro) {
    padding-block: 2.5rem;
  }
}

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