:root {
  color-scheme: light;
  --ink: #1d242c;
  --muted: #65707c;
  --line: #d9e0e7;
  --paper: #fbfbf8;
  --panel: #ffffff;
  --soft: #eef4f3;
  --accent: #0b6f66;
  --accent-dark: #064c47;
  --gold: #b8842a;
  --blue: #315f89;
  --shadow: 0 18px 48px rgba(31, 48, 64, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.6rem 0.8rem;
  background: var(--ink);
  color: white;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 224, 231, 0.85);
  background: rgba(251, 251, 248, 0.9);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  gap: 1rem;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  color: var(--accent-dark);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

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

.nav-links a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 680;
  padding: 0.48rem 0.72rem;
  text-decoration: none;
}

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

main {
  overflow: clip;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(2rem, 5vw, 5rem);
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(2.4rem, 5vw, 4rem) 0 clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0.65rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 4.2vw, 3.7rem);
  font-weight: 500;
  line-height: 1.04;
}

h2 {
  margin-bottom: 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  font-weight: 500;
  line-height: 1.12;
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
  line-height: 1.3;
}

.role {
  margin-bottom: 1.25rem;
  color: var(--accent-dark);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 760;
}

.summary {
  max-width: 66ch;
  color: #39434e;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.62rem 1rem;
  font-weight: 760;
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: white;
}

.button.secondary {
  background: var(--panel);
  color: var(--ink);
}

.profile-panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f5f8f7);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.profile-panel::before {
  content: "";
  position: absolute;
  inset: 0.75rem 0.75rem auto auto;
  width: 76px;
  height: 76px;
  border-top: 3px solid var(--gold);
  border-right: 3px solid var(--gold);
  pointer-events: none;
}

.portrait {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1.12;
  border-radius: 6px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.94) contrast(1.03);
}

.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}

.profile-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.28rem 0.55rem;
}

.stats {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 0;
}

.stats div {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.stats dt {
  color: var(--accent-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.9rem;
  line-height: 1;
}

.stats dd {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto clamp(2.4rem, 6vw, 4rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.quick-links a {
  display: flex;
  align-items: center;
  min-height: 92px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-weight: 760;
  padding: 1rem;
  text-decoration: none;
}

.quick-links a:last-child {
  border-right: 0;
}

.quick-links a:hover {
  background: var(--soft);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(2.8rem, 7vw, 5.5rem) 0;
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(2rem, 5vw, 4.5rem);
}

.section-intro {
  position: sticky;
  top: 92px;
  align-self: start;
}

.experience-section .section-intro {
  position: static;
  margin-bottom: 1rem;
}

.recognition-section .section-intro {
  position: static;
  margin-bottom: 1rem;
}

.timeline,
.recognition,
.publication-list {
  display: grid;
  gap: 0.8rem;
}

.timeline-item,
.recognition article,
.publication-list article,
.info-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 1.05rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 1rem;
}

time,
.recognition span,
.info-grid span {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 820;
}

.timeline-item p,
.publication-list p,
.recognition p,
.info-grid p,
.resource-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.education-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.education-section > div:first-child {
  margin-bottom: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.2rem;
}

.search-box {
  display: grid;
  gap: 0.35rem;
  min-width: min(330px, 100%);
}

.search-box label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 820;
  text-transform: uppercase;
}

.search-box input {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  padding: 0 1rem;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.filter-tabs button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 740;
  padding: 0.42rem 0.75rem;
}

.filter-tabs button.active {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: white;
}

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

.publication-list article {
  display: grid;
  align-content: start;
  min-height: 0;
  gap: 0.35rem;
}

.publication-list article[hidden] {
  display: none;
}

.publication-list h3 {
  margin-bottom: 0;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 780;
  line-height: 1;
  padding: 0.34rem 0.55rem;
  vertical-align: middle;
}

.source-badge.local {
  border-color: rgba(11, 111, 102, 0.3);
  background: var(--soft);
  color: var(--accent-dark);
}

.source-badge.external {
  border-color: rgba(184, 132, 42, 0.34);
  background: #fff8eb;
  color: #805f18;
}

.publication-list .citation {
  max-width: 92ch;
  color: #3f4a55;
}

.archive-link {
  margin: 1rem 0 0;
  font-weight: 760;
}

.recognition {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.recognition article:first-child,
.recognition article:nth-child(2) {
  border-top: 3px solid var(--accent);
}

.recognition-summary {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 1.05rem;
}

.recognition-summary h3 {
  margin-bottom: 0.85rem;
  margin-top: 0.25rem;
}

.recognition-summary p {
  margin: 0;
  color: #3f4a55;
  font-size: 0.95rem;
}

.recognition-summary .archive-link {
  margin-top: 0.85rem;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.resource-grid a {
  display: grid;
  min-height: 190px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 1.05rem;
  text-decoration: none;
}

.resource-grid a:hover {
  border-color: rgba(11, 111, 102, 0.45);
  box-shadow: 0 12px 32px rgba(31, 48, 64, 0.1);
  transform: translateY(-1px);
}

.resource-grid span {
  margin-bottom: 1.7rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 820;
  text-transform: uppercase;
}

.resource-grid strong {
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 1.4rem 0 2rem;
}

.footer p {
  margin: 0;
}

.footer a {
  flex: 0 0 auto;
  font-weight: 760;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .education-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .profile-panel {
    max-width: 420px;
  }

  .section-intro {
    position: static;
  }

  .quick-links,
  .info-grid,
  .publication-list,
  .recognition,
  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.7rem 0;
  }

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

  .hero {
    padding-top: 2.4rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .quick-links,
  .info-grid,
  .publication-list,
  .recognition,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .quick-links a {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    min-height: 78px;
  }

  .quick-links a:last-child {
    border-bottom: 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

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