@import url("https://fonts.googleapis.com/css2?family=Zilla+Slab:ital,wght@0,400;0,600;0,700;1,400;1,600;1,700&display=swap");

:root {
  --font-zilla-slab: "Zilla Slab";
  --ink: #293238;
  --muted: #687478;
  --blue: #2f6268;
  --blue-dark: #21484d;
  --accent: #a76f4d;
  --nav-bg: rgba(230, 239, 236, 0.94);
  --rule: rgba(47, 98, 104, 0.15);
  --paper: #fcfbf7;
  --surface: #f3f6f2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 140ms ease;
}

a:hover,
a:focus-visible {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  min-height: 62px;
  border-bottom: 1px solid rgba(47, 98, 104, 0.1);
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  min-height: 62px;
  width: 100%;
  align-items: center;
  padding: 0 16px;
}

.brand {
  flex: 0 0 auto;
  margin-right: 22px;
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 24px;
  font-style: italic;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 16px;
  white-space: nowrap;
}

.primary-nav a.active::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.active {
  color: var(--blue);
  text-decoration: none;
}

.nav-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
  margin-right: 5px;
  color: currentColor;
  font-size: 15px;
}

.nav-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.8;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 38px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  border: 1px solid rgba(47, 98, 104, 0.24);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.35);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px 0;
  background: var(--blue);
}

.site-container {
  display: grid;
  max-width: 1140px;
  grid-template-columns: 220px minmax(0, 860px);
  gap: 30px;
  margin: 0 auto;
  padding: 96px 15px 64px;
}

.profile-panel {
  min-width: 0;
}

.profile-photo {
  display: block;
  width: 180px;
  aspect-ratio: 1 / 1;
  border-radius: 0;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 10px 26px rgba(47, 98, 104, 0.12);
}

.profile-copy {
  margin-top: 22px;
  color: #414141;
  font-size: 14px;
  line-height: 1.45;
}

.profile-copy p {
  margin: 0 0 10px;
}

.profile-role {
  font-weight: 700;
}

.contact-block {
  margin-top: 52px;
}

.contact-block h2,
.interest-block h2 {
  margin: 0 0 8px;
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 30px;
  font-style: italic;
  font-weight: 600;
}

.contact-block a {
  color: #303030;
  font-size: 13.5px;
  letter-spacing: -0.015em;
  white-space: nowrap;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 24px;
}

.social-links a {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(41, 50, 56, 0.1);
  color: white;
  font-size: 19px;
  line-height: 1;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: white;
  filter: brightness(0.88);
  text-decoration: none;
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.social-links .linkedin {
  background: #0a66c2;
}

.social-links .researchgate {
  background: #00ccbb;
}

.social-links .google-scholar {
  background: #4285f4;
}

.social-links .github {
  background: #24292f;
}

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

.page-section {
  min-height: 520px;
}

.page-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 12px;
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 40px;
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-title span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  font-size: 25px;
  font-style: normal;
  color: var(--accent);
}

.page-title span svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.55;
}

.prose {
  max-width: 870px;
}

.prose p {
  margin: 0 0 16px;
}

.prose strong {
  font-weight: 700;
}

.interest-block {
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
}

.interest-block h2 {
  font-size: 28px;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 28px;
  margin-top: 12px;
}

.interest-grid span::before {
  margin-right: 8px;
  color: var(--blue);
  content: "›";
  font-weight: 700;
}

.interest-grid span:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.page-intro {
  max-width: 780px;
  margin: 0 0 28px;
}

.section-heading {
  margin: 18px 0 14px;
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 32px;
  font-style: italic;
  font-weight: 600;
  line-height: 1.2;
}

.news-list {
  max-width: 850px;
}

.news-item {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--rule);
}

.news-date {
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 22px;
  font-style: italic;
  font-weight: 700;
}

.news-item h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
}

.news-item p {
  margin: 0;
}

.research-list {
  display: grid;
  gap: 34px;
}

.research-project {
  padding-top: 26px;
  border-top: 1px solid var(--rule);
}

.research-project h2 {
  margin: 0 0 16px;
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 28px;
  font-style: italic;
  font-weight: 600;
  line-height: 1.2;
}

.research-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 26px;
  align-items: start;
}

.research-grid p {
  margin: 0 0 14px;
}

.research-grid ul {
  margin: 0;
  padding-left: 20px;
}

.research-grid li {
  margin: 6px 0;
}

.research-grid img {
  display: block;
  width: 100%;
  height: 190px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: #f4f4f4;
  object-fit: cover;
}

.publication-list {
  margin-top: 8px;
}

.publication-row {
  display: grid;
  grid-template-columns: 82px 42px minmax(0, 1fr) 216px;
  gap: 14px;
  align-items: start;
  padding: 14px 0 18px;
  scroll-margin-top: 78px;
}

.publication-year {
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 24px;
  font-style: italic;
  font-weight: 700;
  line-height: 1.25;
}

.publication-number {
  color: var(--accent);
  font-weight: 700;
  line-height: 1.4;
}

.publication-copy h3 {
  margin: 0 0 3px;
  font-size: 17px;
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
}

.publication-authors,
.publication-venue {
  margin: 0;
  line-height: 1.42;
}

.publication-venue {
  font-style: italic;
}

.publication-highlight {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin: 7px 0 0;
  padding: 4px 9px;
  border: 1px solid rgba(167, 111, 77, 0.28);
  border-radius: 999px;
  background: rgba(167, 111, 77, 0.08);
  color: #805135;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.publication-highlight span {
  color: var(--accent);
}

.publication-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0 5px;
  align-items: baseline;
  margin-top: 14px;
  color: var(--blue);
}

.publication-actions details {
  display: inline;
}

.publication-actions summary {
  display: inline;
  color: var(--blue);
  cursor: pointer;
  list-style: none;
}

.publication-actions summary::-webkit-details-marker {
  display: none;
}

.publication-actions summary:hover {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.publication-actions details[open] {
  display: block;
  width: 100%;
  margin: 10px 0 4px;
  padding: 12px 14px;
  border-left: 3px solid rgba(167, 111, 77, 0.42);
  background: var(--surface);
  color: var(--ink);
}

.publication-actions details[open] summary {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 700;
}

.publication-actions details p {
  margin: 0;
}

.publication-actions pre {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  color: #30343a;
  font-family: "Courier New", monospace;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.publication-image {
  display: block;
  width: 216px;
  height: 163px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: #ffffff;
  object-fit: contain;
}

.publication-row-no-image .publication-copy {
  grid-column: 3 / 5;
}

.timeline {
  margin-top: 4px;
}

.cv-summary {
  max-width: 680px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 17px;
}

.cv-summary a {
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-style: italic;
  font-weight: 600;
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  padding: 15px 0 20px;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  color: var(--blue);
}

.timeline-meta strong {
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 20px;
  font-style: italic;
}

.timeline-meta span {
  margin-top: 2px;
  color: #5b5b5b;
  font-size: 14px;
}

.timeline-item h3,
.award-item h3,
.presentation-item h3 {
  margin: 0 0 2px;
  font-size: 17px;
}

.timeline-item p,
.award-item p,
.presentation-item p {
  margin: 0;
}

.timeline-role {
  font-style: italic;
}

.funding-attribution {
  display: flex;
  flex-wrap: wrap;
  gap: 0 7px;
  color: var(--muted);
}

.funding-attribution > span:first-child {
  color: var(--accent);
  font-weight: 600;
}

.section-rule {
  margin: 26px 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.award-list {
  display: grid;
  gap: 4px;
}

.award-item {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 18px;
  padding: 10px 0 14px;
}

.award-item > strong {
  color: var(--blue);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 20px;
  font-style: italic;
}

.award-organization {
  color: var(--muted);
}

.presentation-list {
  display: grid;
  gap: 4px;
}

.presentation-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  padding: 12px 0 18px;
}

.presentation-meta {
  display: flex;
  flex-direction: column;
  color: var(--blue);
}

.presentation-meta strong {
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 20px;
  font-style: italic;
}

.presentation-meta span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.presentation-event {
  color: var(--muted);
}

.activity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 9px;
}

.activity-actions a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
}

.activity-actions svg {
  width: 14px;
  height: 14px;
}

.review-intro {
  margin: 0 0 12px;
}

.review-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 760px;
}

.review-item {
  position: relative;
  padding: 12px 0 12px 20px;
}

.review-item::before {
  position: absolute;
  top: 11px;
  left: 1px;
  color: var(--accent);
  content: "›";
  font-weight: 700;
}

.review-item a {
  color: var(--ink);
}

.review-item a:hover,
.review-item a:focus-visible {
  color: var(--blue);
}

.teaching-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.teaching-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.teaching-meta {
  display: flex;
  flex-direction: column;
}

.teaching-meta strong {
  color: var(--accent);
  font-family: var(--font-zilla-slab), Georgia, serif;
  font-size: 20px;
  font-style: italic;
}

.teaching-meta span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.teaching-item h3 {
  margin: 0 0 3px;
  font-size: 17px;
}

.teaching-item p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 54px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: #6a6a6a;
  font-size: 13px;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: 62px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 14px;
    border-top: 1px solid rgba(47, 98, 104, 0.13);
    background: rgba(240, 246, 243, 0.99);
  }

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

  .primary-nav a {
    padding: 9px 0;
  }

  .site-container {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    padding-top: 88px;
  }

  .profile-photo {
    width: 155px;
  }

  .research-grid {
    grid-template-columns: minmax(0, 1fr) 250px;
  }

  .publication-row {
    grid-template-columns: 70px 38px minmax(0, 1fr) 165px;
    gap: 10px;
  }

  .publication-image {
    width: 165px;
    height: 124px;
  }
}

@media (max-width: 640px) {
  .site-container {
    display: block;
    padding: 82px 20px 48px;
  }

  .profile-panel {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 0 18px;
    align-items: start;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--rule);
  }

  .profile-photo {
    width: 112px;
    grid-row: 1 / span 3;
  }

  .profile-copy {
    margin-top: 0;
  }

  .contact-block {
    margin-top: 10px;
  }

  .contact-block h2 {
    display: none;
  }

  .social-links {
    gap: 10px;
    margin-top: 12px;
  }

  .social-links a {
    width: 28px;
    height: 28px;
    font-size: 16px;
  }

  .content-panel {
    padding-top: 24px;
  }

  .page-title {
    font-size: 36px;
  }

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

  .interest-grid span:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .news-item {
    grid-template-columns: 64px minmax(0, 1fr);
  }

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

  .research-grid img {
    height: auto;
    max-height: 250px;
  }

  .publication-row {
    grid-template-columns: 56px 34px minmax(0, 1fr);
    padding: 16px 0 22px;
    border-bottom: 1px solid var(--rule);
  }

  .publication-image {
    width: 100%;
    height: auto;
    max-height: 220px;
    grid-column: 3;
    margin-top: 8px;
    object-fit: contain;
  }

  .publication-row-no-image .publication-copy {
    grid-column: 3;
  }

  .timeline-item,
  .presentation-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-bottom: 24px;
  }

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

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

  .timeline-meta,
  .presentation-meta {
    flex-direction: row;
    gap: 10px;
    align-items: baseline;
  }
}