:root {
  --background: #ffffff;
  --text: #1a1a1a;
  --muted: #595959;
  --link: #1f5f8b;
  --link-hover: #0e3958;
  --rule: #e8e8e8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 17px;
  line-height: 1.66;
}

.page {
  width: min(980px, calc(100% - 42px));
  margin: 0 auto;
  padding: 70px 0 46px;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 86px;
  align-items: start;
  margin-bottom: 54px;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.25;
}

h1 {
  margin: 0 0 26px;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 3rem;
  font-weight: 400;
  letter-spacing: -0.052em;
}

h1 span {
  display: inline-block;
  margin-left: 0.2em;
  color: var(--muted);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0;
  vertical-align: middle;
  font-family: "STKaiti", "KaiTi", "Kaiti SC", serif;
}

.bio p {
  margin: 0 0 18px;
}

.portrait-panel {
  padding-top: 92px;
}

.portrait {
  display: block;
  width: 230px;
  height: 292px;
  object-fit: cover;
  background: #f5f5f5;
}

.icon-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  width: 230px;
  margin: 20px auto 0;
}

.icon-links a {
  display: inline-flex;
  width: 22px;
  height: 22px;
  color: #1a1a1a;
  text-decoration: none;
  transition: color 0.15s ease, transform 0.15s ease;
}

.icon-links a:hover {
  color: var(--link);
  transform: translateY(-1px);
}

.icon-links svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

p {
  margin: 0 0 18px;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.section {
  padding-top: 30px;
  border-top: 1px solid var(--rule);
}

h2 {
  margin: 0 0 30px;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.06em;
}

.publication {
  margin-bottom: 42px;
  line-height: 1.84;
}

.publication:last-child {
  margin-bottom: 0;
}

h3 {
  margin: 0 0 7px;
  font-family: Cambria, Georgia "Times New Roman", Times, serif;
  font-size: 1.27rem;
  font-weight: 400;
  letter-spacing: 0;
}

.citation {
  color: var(--muted);
}

details {
  margin-top: 10px;
}

summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--link);
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "+";
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.85rem;
  line-height: 1;
}

details[open] summary::before {
  content: "−";
}

details p {
  margin: 13px 0 0;
}

.footer {
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin-bottom: 0;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 30px, 980px);
    padding-top: 42px;
  }

  .masthead {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .portrait-panel {
    padding-top: 0;
  }

  .portrait {
    width: 200px;
    height: 254px;
  }

  .icon-links {
    justify-content: center;
    width: 200px;
    gap: 24px;
    margin-left: 0;
    margin-right: 0;
  }

  h1 {
    font-size: clamp(2.9rem, 14vw, 4rem);
  }
}