:root {
  --bg: #fbfcfd;
  --surface: #ffffff;
  --surface-alt: #eef7f8;
  --ink: #172126;
  --muted: #5f6f76;
  --subtle: #dce7ea;
  --accent: #0b7189;
  --accent-dark: #07576a;
  --accent-soft: #dff3f5;
  --rule: #d7e1e4;
  --shadow: 0 18px 48px rgba(13, 43, 55, 0.08);
  --radius: 8px;
  --content: 1120px;
  --measure: 760px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(11, 113, 137, 0.08), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 34rem);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(11, 113, 137, 0.34);
  outline-offset: 4px;
  border-radius: 6px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(215, 225, 228, 0.82);
  background: rgba(251, 252, 253, 0.92);
  backdrop-filter: blur(16px);
}

.nav-shell {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--rule);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent-dark);
  background: var(--surface);
  font-size: 0.85rem;
  box-shadow: 0 8px 20px rgba(13, 43, 55, 0.06);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a {
  color: var(--muted);
  padding: 0.45rem 0.72rem;
  border-radius: 6px;
  font-size: 0.93rem;
  font-weight: 620;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent-dark);
  background: var(--accent-soft);
  text-decoration: none;
}

.menu-button {
  display: none;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink);
  border-radius: 6px;
  width: 2.45rem;
  height: 2.45rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-button svg {
  width: 1.25rem;
  height: 1.25rem;
}

main {
  min-height: 68vh;
}

.section {
  max-width: var(--content);
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.section.compact {
  padding-top: 3rem;
}

.profile-overview {
  max-width: var(--content);
  margin: 0 auto;
  padding: 5.25rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

.profile-sidebar {
  min-width: 0;
  width: 100%;
}

.profile-content {
  min-width: 0;
  font-size: 1rem;
  line-height: 1.64;
}

.profile-content h1,
.page-title h1 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.02;
  font-weight: 560;
  letter-spacing: 0;
}

.profile-content h1 {
  font-size: clamp(2.15rem, 3.6vw, 3.45rem);
}

.page-title h1 {
  font-size: clamp(2.5rem, 5vw, 5.1rem);
}

.hero-position {
  margin: 1rem 0 0;
  color: var(--accent-dark);
  font-size: 1.05rem;
  font-weight: 680;
}

.profile-links {
  display: grid;
  gap: 0.1rem;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule);
}

.profile-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.45rem;
  padding: 0.22rem 0;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 680;
  line-height: 1.35;
}

.profile-link::before {
  width: 0.35rem;
  height: 0.35rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.profile-link:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.profile-photo-card {
  position: relative;
  overflow: hidden;
  margin: 0;
  width: 100%;
  aspect-ratio: 1403 / 2531;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #ffffff 0%, #f2fafb 100%);
  box-shadow: var(--shadow);
}

.profile-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.photo-fallback {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #ffffff 0%, #f2fafb 100%);
}

.photo-fallback svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.curve-caption {
  position: absolute;
  left: 1.35rem;
  right: 1.35rem;
  bottom: 1.2rem;
  z-index: 2;
  margin: 0;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(11, 113, 137, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  font-size: 0.9rem;
  box-shadow: 0 12px 28px rgba(13, 43, 55, 0.06);
}

.page-title {
  max-width: var(--content);
  margin: 0 auto;
  padding: 4.5rem 1.5rem 2rem;
}

.page-title p {
  max-width: var(--measure);
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 4rem;
  align-items: start;
}

.content-main {
  min-width: 0;
}

.side-note {
  position: sticky;
  top: 6rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.section h2 {
  margin: 0 0 1.4rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.14;
  font-weight: 560;
}

.section h3 {
  margin: 2rem 0 0.8rem;
  color: var(--ink);
  font-size: 1.1rem;
  line-height: 1.3;
}

.spaced-heading {
  margin-top: 4rem;
}

.lead {
  max-width: var(--measure);
  color: var(--muted);
  font-size: 1.05rem;
}

.section-note {
  margin: -0.75rem 0 1.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.profile-bio {
  margin-top: 1.55rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}

.profile-bio h2 {
  margin: 0 0 1rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 2.5vw, 1.95rem);
  line-height: 1.14;
  font-weight: 560;
}

.profile-bio > p {
  margin: 0;
}

.profile-bio > p + p {
  margin-top: 1.15rem;
}

.education-block {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--rule);
}

.education-block h3 {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.3;
  font-weight: 700;
}

.education-block .education-list {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.education-block .education-list li {
  padding: 0.55rem 0;
  white-space: nowrap;
}

.hiring-notice {
  margin: 1.25rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.55;
}

.hiring-notice a {
  color: var(--accent);
  text-decoration: underline;
}

.hiring-label {
  color: #b42318;
  font-weight: 780;
}

.hiring-positions {
  display: inline;
  margin: 0;
}

.highlight-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.highlight-item {
  display: grid;
  grid-template-columns: minmax(10rem, 13rem) minmax(0, 1fr);
  gap: 1.35rem;
  border-bottom: 1px solid var(--rule);
  padding: 1.05rem 0;
}

.highlight-theme {
  margin: 0;
  color: var(--accent-dark);
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.4;
}

.highlight-detail {
  min-width: 0;
}

.highlight-citation {
  margin: 0;
  color: var(--ink);
}

.highlight-citation em {
  color: var(--muted);
  font-style: normal;
}

.education-list,
.timeline-list,
.plain-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.education-list li,
.timeline-list li,
.plain-list li {
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0;
}

.publication-list,
.software-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.publication,
.software-item,
.teaching-item {
  border-bottom: 1px solid var(--rule);
  padding: 1.15rem 0;
}

.publication {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 1.35rem;
}

.year {
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.96rem;
}

.authors {
  color: var(--ink);
}

.author-self,
.item-title {
  color: var(--ink);
  font-weight: 720;
}

.pub-title,
.software-title {
  margin-top: 0.2rem;
  color: var(--ink);
}

.venue,
.description {
  margin-top: 0.2rem;
  color: var(--muted);
}

.link-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.72rem;
}

.link-chips a {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(11, 113, 137, 0.22);
  border-radius: 999px;
  background: rgba(223, 243, 245, 0.55);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 720;
}

.link-chips a:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.software-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  border-top: 0;
}

.software-item,
.teaching-item {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.2rem;
}

.software-item {
  min-height: 100%;
}

.presentation-group {
  margin-top: 2.2rem;
}

.presentation-group h2 {
  margin: 0 0 0.85rem;
  font-family: inherit;
  font-size: 1.15rem;
  line-height: 1.35;
  font-weight: 700;
}

.presentation-list {
  max-width: var(--measure);
  margin: 0;
  padding-left: 1.35rem;
  list-style: square;
}

.presentation-item {
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.42;
  padding-left: 0.2rem;
}

.presentation-item + .presentation-item {
  margin-top: 1rem;
}

.presentation-title {
  color: var(--ink);
  font-weight: 720;
}

.presentation-meta {
  color: var(--ink);
}

.presentation-meta em {
  font-style: italic;
}

.presentation-award {
  color: var(--ink);
  font-weight: 720;
}

.footer {
  border-top: 1px solid var(--rule);
  background: #f4f8f9;
}

.footer-inner {
  max-width: var(--content);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer strong {
  color: var(--ink);
}

@media (max-width: 880px) {
  body {
    font-size: 16px;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.45rem);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.65rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.7rem 0.85rem;
  }

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

  .profile-overview {
    padding-top: 4.25rem;
    gap: 2.5rem;
  }

  .profile-sidebar {
    width: min(100%, 300px);
    justify-self: center;
  }

  .side-note {
    position: static;
  }

  .software-list {
    grid-template-columns: 1fr;
  }

  .highlight-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

@media (max-width: 560px) {
  .nav-shell,
  .profile-overview,
  .section,
  .page-title,
  .footer-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .profile-content h1 {
    font-size: clamp(2rem, 8.5vw, 2.4rem);
  }

  .education-block .education-list {
    font-size: 0.72rem;
  }

  .page-title h1 {
    font-size: clamp(2.35rem, 14vw, 3.55rem);
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}