:root {
  --page-background: #fbfbfa;
  --surface: #ffffff;
  --text: #242424;
  --muted: #626262;
  --rule: #dededb;
  --accent: #254d6f;
  --accent-dark: #18374f;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--page-background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1.02rem;
  line-height: 1.72;
}

main.content {
  max-width: 880px;
  margin-inline: auto;
  padding-top: 3.5rem;
  padding-bottom: 5rem;
}

h1,
h2,
h3,
h4 {
  color: #202020;
  font-family: Charter, "Bitstream Charter", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(2.45rem, 5vw, 3.5rem);
  line-height: 1.08;
}

h2 {
  margin-top: 5rem;
  margin-bottom: 1.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.75rem;
}

h3 {
  margin-top: 2.3rem;
  margin-bottom: 1.15rem;
  font-size: 1.25rem;
}

h4 {
  margin: 0 0 0.2rem;
  font-size: 1.12rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.075em;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus {
  color: var(--accent-dark);
}

.navbar {
  background: rgba(251, 251, 250, 0.98) !important;
  border-bottom: 1px solid var(--rule);
  box-shadow: none;
  font-size: 0.94rem;
}

.navbar-brand {
  color: var(--text) !important;
  font-family: Charter, "Bitstream Charter", Georgia, serif;
  font-weight: 600;
}

.navbar-nav .nav-link {
  color: #454545 !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--accent) !important;
}

.about-section {
  padding-top: 1.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 3.25rem;
  align-items: start;
}

.about-photo p {
  margin: 0;
}

.profile-photo {
  display: block;
  width: 190px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--rule);
  border-radius: 2px;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.position {
  margin-bottom: 0.1rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
}

.institution {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1rem;
}

.about-links {
  margin-top: 1.5rem;
  font-size: 0.96rem;
}

.about-links span {
  margin-inline: 0.42rem;
  color: #999;
}

.placeholder {
  color: #767676;
  font-style: italic;
}

.research-entry,
.teaching-entry {
  margin-bottom: 1.4rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--rule);
}

.last-entry {
  border-bottom: 0;
}

.entry-meta,
.entry-links {
  color: var(--muted);
  font-size: 0.94rem;
}

.entry-meta {
  margin-bottom: 0.65rem;
}

.entry-links {
  margin-top: 0.65rem;
  margin-bottom: 0;
}

.abstract-toggle {
  margin-top: 0.9rem;
  color: var(--text);
}

.abstract-toggle summary {
  width: fit-content;
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}

.abstract-toggle summary:hover,
.abstract-toggle summary:focus {
  color: var(--accent-dark);
}

.abstract-toggle p {
  margin-top: 0.8rem;
  margin-bottom: 0;
}

.field-list {
  margin-bottom: 0.65rem;
}

.teaching-overview {
  margin-bottom: 1.25rem;
}

table {
  width: 100%;
  margin-top: 0.75rem;
  border-color: var(--rule);
  font-size: 0.95rem;
}

table > thead > tr > th {
  padding: 0.65rem 0.75rem;
  background: #f3f3f1;
  border-bottom-color: #cfcfcb;
  color: var(--text);
  font-weight: 600;
}

table > tbody > tr > td {
  padding: 0.7rem 0.75rem;
  background: transparent;
  border-bottom-color: var(--rule);
}

.cv-download {
  display: inline-block;
  margin: 0 0 1.5rem;
  padding: 0.75rem 1rem;
  background: #f2f5f7;
  border-left: 3px solid var(--accent);
  font-weight: 600;
}

.cv-download a {
  text-decoration: none;
}

.nav-footer {
  min-height: auto;
  padding-block: 1.4rem;
  background: var(--surface);
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 767px) {
  main.content {
    padding-top: 2rem;
  }

  .about-section {
    padding-top: 0.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .profile-photo {
    width: 145px;
  }

  h2 {
    margin-top: 4rem;
  }
}

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