:root {
  --bg: #f8f6f1;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #1d2528;
  --muted: #687178;
  --line: #ded8cd;
  --accent: #2c6f73;
  --accent-deep: #19484b;
  --accent-soft: #e5f0ed;
  --warm: #a45f3d;
  --shadow: 0 18px 50px rgba(29, 37, 40, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.8), rgba(248, 246, 241, 0.4)),
    var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--accent-deep);
  text-decoration-color: rgba(44, 111, 115, 0.35);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--warm);
  text-decoration-color: currentColor;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 5;
  background: var(--ink);
  color: white;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  border-bottom: 1px solid rgba(222, 216, 205, 0.8);
  background: rgba(248, 246, 241, 0.88);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 4;
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  text-decoration: none;
  border-radius: var(--radius);
}

.nav-links a:hover {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.nav-links a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 56px;
}

.simple-page {
  min-height: calc(100vh - 160px);
  display: grid;
  align-items: center;
}

.placeholder-card {
  max-width: 680px;
}

.blog-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.profile-panel {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 260px;
  align-items: stretch;
  gap: 24px;
  padding: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.portrait-wrap {
  min-height: 230px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--accent-soft);
}

.portrait {
  width: 100%;
  height: 100%;
  min-height: 230px;
  display: block;
  object-fit: cover;
  object-position: 50% 38%;
}

.profile-copy {
  align-self: center;
  padding: 10px 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.25rem;
  color: var(--warm);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--ink);
}

h1 {
  max-width: 12ch;
  font-size: 3.7rem;
  font-weight: 650;
}

h2 {
  font-size: 1.7rem;
  font-weight: 650;
}

h3 {
  font-size: 1.12rem;
  font-weight: 650;
}

h3 sup,
h3 sub {
  font-size: 0.68em;
  line-height: 0;
}

.affiliation {
  margin: 0.7rem 0 1rem;
  color: var(--accent-deep);
  font-weight: 700;
}

.bio {
  max-width: 66ch;
  margin: 0;
  color: #3d474c;
}

.contact-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.6rem;
  padding: 18px;
  background: #f3efe5;
  border: 1px solid #e4dccd;
  border-radius: var(--radius);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 40px;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(104, 113, 120, 0.18);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-card a.contact-item:hover {
  color: var(--accent);
}

.contact-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-strong);
  border: 1px solid rgba(44, 111, 115, 0.2);
  border-radius: var(--radius);
  color: var(--accent-deep);
  font-size: 0.72rem;
  font-weight: 800;
}

.contact-item span:last-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.content-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.info-card {
  min-height: 100%;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-card.wide {
  grid-column: 1 / -1;
}

.publication-card {
  display: flex;
  flex-direction: column;
  height: 620px;
}

.publication-card .section-heading {
  flex: 0 0 auto;
}

.stacked-cards {
  min-height: 620px;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
}

.stacked-cards.short-stack {
  min-height: 620px;
  height: 620px;
}

.stacked-cards .info-card {
  min-height: 0;
  overflow-y: auto;
}

.service-card {
  height: 620px;
  display: flex;
  flex-direction: column;
}

.service-card .section-heading {
  flex: 0 0 auto;
}

.service-content {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  gap: 18px;
  overflow-y: auto;
  padding-right: 10px;
  scrollbar-color: rgba(44, 111, 115, 0.45) rgba(222, 216, 205, 0.45);
}

.service-banner {
  width: 100%;
  aspect-ratio: 4 / 1;
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  border: 1px solid rgba(222, 216, 205, 0.9);
}

.service-content h3 {
  margin-bottom: 0.45rem;
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-list li {
  padding: 14px 0;
  border-top: 1px solid rgba(222, 216, 205, 0.85);
}

.service-list span {
  display: block;
  margin-top: 0.15rem;
  color: #3d474c;
}

.detail-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  height: 500px;
  display: flex;
  flex-direction: column;
}

.detail-card .section-heading {
  flex: 0 0 auto;
}

.section-heading {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.info-card p {
  margin: 0;
  color: #3d474c;
}

.interest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 18px;
}

.interest-list span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.35rem 0.7rem;
  background: var(--accent-soft);
  border: 1px solid rgba(44, 111, 115, 0.18);
  border-radius: var(--radius);
  color: var(--accent-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.timeline,
.teaching-list,
.detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li,
.teaching-list li,
.detail-list li,
.publication-list section {
  padding: 16px 0;
  border-bottom: 1px solid rgba(222, 216, 205, 0.85);
}

.timeline li:first-child,
.teaching-list li:first-child,
.detail-list li:first-child,
.publication-list section:first-child {
  padding-top: 0;
}

.timeline li:last-child,
.teaching-list li:last-child,
.detail-list li:last-child,
.publication-list section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.timeline time {
  display: block;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
}

.timeline span,
.teaching-list span,
.detail-list .detail-meta,
.detail-list .detail-time,
.detail-list .detail-description {
  display: block;
  margin-top: 0.15rem;
  color: #3d474c;
}

.detail-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 10px;
  scrollbar-color: rgba(44, 111, 115, 0.45) rgba(222, 216, 205, 0.45);
}

.detail-title-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.detail-list .detail-time {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.detail-list .detail-description {
  font-size: 0.92rem;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0.12rem 0.45rem;
  border-radius: var(--radius);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.status-tag.full-time {
  background: #eef3fb;
  color: #245178;
  border: 1px solid rgba(36, 81, 120, 0.18);
}

.status-tag.intern {
  background: #fff1e8;
  color: #8a4528;
  border: 1px solid rgba(164, 95, 61, 0.22);
}

.status-tag.fellowship {
  background: var(--accent-soft);
  color: var(--accent-deep);
  border: 1px solid rgba(44, 111, 115, 0.22);
}

.status-tag.award {
  background: #f8efe2;
  color: #7c4e20;
  border: 1px solid rgba(124, 78, 32, 0.2);
}

.publication-list p {
  margin-top: 0.45rem;
}

.publication-entry {
  display: grid;
  grid-template-columns: minmax(92px, 128px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.publication-thumb {
  width: 100%;
  aspect-ratio: 1.25;
  border: 1px solid rgba(222, 216, 205, 0.9);
  border-radius: var(--radius);
  background: #fff;
  object-fit: contain;
}

.publication-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  min-height: 20px;
  margin-bottom: 6px;
  padding: 0.1rem 0.38rem;
  background: var(--surface-strong);
  border: 1px solid rgba(44, 111, 115, 0.24);
  border-radius: var(--radius);
  color: var(--accent-deep);
  font-size: 0.64rem;
  font-weight: 800;
  text-transform: uppercase;
}

.publication-badge + .publication-badge {
  margin-left: 0.35rem;
}

.publication-badge::before {
  content: "";
  width: 0.34rem;
  height: 0.34rem;
  background: var(--accent);
  border-radius: 50%;
}

.publication-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 12px;
  scrollbar-color: rgba(44, 111, 115, 0.45) rgba(222, 216, 205, 0.45);
}

.publication-year {
  margin: 22px 0 12px;
  color: var(--accent-deep);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
}

.publication-year:first-child {
  margin-top: 0;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.75rem;
}

.paper-links a {
  font-weight: 800;
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .profile-panel {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.5rem;
  }

  .contact-item {
    justify-content: center;
    border: 1px solid rgba(104, 113, 120, 0.16);
    border-radius: var(--radius);
    text-align: center;
  }

  h1 {
    font-size: 3rem;
  }
}

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a {
    padding-left: 0;
    padding-right: 0.8rem;
  }

  .page-shell {
    padding-top: 24px;
  }

  .profile-panel,
  .content-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .publication-entry {
    grid-template-columns: 1fr;
  }

  .publication-thumb {
    max-width: 180px;
  }

  .profile-panel {
    padding: 16px;
  }

  .portrait-wrap,
  .portrait {
    min-height: 320px;
  }

  .contact-card {
    grid-template-columns: 1fr 1fr;
  }

  .info-card {
    padding: 20px;
  }

  h1 {
    max-width: 100%;
    font-size: 2.45rem;
  }
}

@media (max-width: 420px) {
  .contact-card {
    grid-template-columns: 1fr;
  }

  .portrait-wrap,
  .portrait {
    min-height: 260px;
  }
}