:root {
  --bg: #f4f1eb;
  --surface: #fffdf9;
  --surface-strong: #f0ebe2;
  --surface-alt: #e3ece8;
  --ink: #203138;
  --ink-soft: #50656b;
  --line: rgba(32, 49, 56, 0.12);
  --brand: #224c55;
  --brand-strong: #17353c;
  --accent: #a4622a;
  --shadow: 0 18px 50px rgba(18, 34, 39, 0.08);
  --radius: 20px;
  --container: 1180px;
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(164, 98, 42, 0.1), transparent 32%),
    linear-gradient(180deg, #f7f4ee 0%, #f4f1eb 42%, #f1efe9 100%);
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(244, 241, 235, 0.88);
  border-bottom: 1px solid rgba(32, 49, 56, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 88px;
  height: 52px;
  object-fit: contain;
  object-position: center;
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.brand-text small {
  color: var(--ink-soft);
  font-size: 0.82rem;
}


.site-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav a {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: rgba(34, 76, 85, 0.09);
  color: var(--brand-strong);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 14px;
  background: rgba(34, 76, 85, 0.08);
  padding: 0;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--brand-strong);
}

.hero,
.page-hero {
  padding: 4.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.page-hero .container {
  animation: rise 520ms ease both;
}

.hero-copy h1,
.page-hero h1 {
  max-width: 14ch;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(2.6rem, 4vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin-bottom: 1.1rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
}

.lead.narrow {
  max-width: 62ch;
}

.eyebrow {
  margin-bottom: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 1rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: var(--shadow);
}

.button-secondary {
  background: rgba(34, 76, 85, 0.08);
  color: var(--brand-strong);
}

.hero-panel,
.content-card,
.area-card,
.metric-card,
.person-card,
.research-card,
.filters-panel,
.publication-item {
  background: rgba(255, 253, 249, 0.8);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.6rem;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(240, 235, 226, 0.96)),
    var(--surface);
}

.feature-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.collaboration-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.collaboration-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.partner-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 38px;
  padding: 0.45rem 0.7rem;
  border-radius: 12px;
  border: 1px solid rgba(32, 49, 56, 0.12);
  background: linear-gradient(180deg, #fffdf9, #f0ebe2);
  color: var(--brand-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 18px rgba(18, 34, 39, 0.08);
}

.partner-logo-image {
  display: block;
  width: auto;
  height: 82px;
  max-width: 180px;
  padding: 0.3rem 0.55rem;
  border-radius: 12px;
  border: 1px solid rgba(32, 49, 56, 0.12);
  background: linear-gradient(180deg, #fffdf9, #f0ebe2);
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(18, 34, 39, 0.08);
}

.section {
  padding: 2rem 0 4rem;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(227, 236, 232, 0.6), rgba(244, 241, 235, 0)),
    transparent;
}

.section-heading {
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  max-width: 18ch;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.03;
  margin-bottom: 0;
}

.two-column,
.grid,
.metrics-grid,
.research-grid {
  display: grid;
  gap: 1.2rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-card,
.area-card,
.metric-card,
.person-card,
.research-body,
.filters-panel,
.publication-item {
  padding: 1.4rem;
}

.content-card h3,
.area-card h3,
.person-card h3,
.research-body h2 {
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  margin-bottom: 0.65rem;
}

.area-card {
  position: relative;
  overflow: hidden;
}

.area-card::after {
  content: "";
  position: absolute;
  inset: auto -35px -35px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 76, 85, 0.1), transparent 68%);
}

.area-index {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.metrics-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-content: center;
}

.metrics-grid.metrics-grid-two {
  grid-template-columns: repeat(2, minmax(220px, 280px));
  justify-content: center;
}

.metric-card {
  text-align: center;
}

.metric-card strong {
  display: block;
  font-size: clamp(2rem, 3vw, 3rem);
  color: var(--brand-strong);
}

.metric-card span {
  color: var(--ink-soft);
}

.stack-large > * + * {
  margin-top: 1.8rem;
}

.person-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.person-content {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 0.6rem;
}

.person-avatar {
  flex: 0 0 auto;
  width: 86px;
  height: 86px;
  border-radius: 22px;
  object-fit: cover;
  object-position: center top;
  background: var(--surface-strong);
  border: 1px solid rgba(32, 49, 56, 0.08);
  box-shadow: 0 10px 24px rgba(18, 34, 39, 0.12);
}

.person-role,
.card-tag {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
}

.person-email {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0;
  color: var(--ink-soft);
}

.person-email a {
  color: var(--brand);
  font-weight: 600;
}

.person-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.person-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(34, 76, 85, 0.08);
  color: var(--brand);
  transition: background var(--transition), transform var(--transition);
}

.person-links a:hover,
.person-links a:focus-visible {
  background: rgba(34, 76, 85, 0.16);
  transform: translateY(-1px);
}

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

.home-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.focus-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 249, 0.82);
  box-shadow: var(--shadow);
}

.focus-card h3 {
  margin-bottom: 0.55rem;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.focus-card p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.news-list {
  display: grid;
  gap: 1rem;
}

.news-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.news-toolbar .filter-group {
  min-width: 180px;
}

.news-card-horizontal {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.news-card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(32, 49, 56, 0.08);
  background: var(--surface-strong);
}

.news-card-body h3 {
  margin-bottom: 0.35rem;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.05;
}

.news-card-meta {
  margin-bottom: 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.news-card-text p:last-child,
.news-card-text-expanded p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.news-card-text p,
.news-card-text-expanded p {
  color: var(--ink-soft);
}

.news-card-more {
  margin-top: 1rem;
}

.news-card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  color: var(--brand);
  font-weight: 700;
  list-style: none;
}

.news-card-toggle::-webkit-details-marker {
  display: none;
}

.news-card-toggle::after {
  content: "->";
  transition: transform var(--transition);
}

.news-card-more[open] .news-card-toggle::after {
  transform: rotate(90deg);
}

.news-card-text-expanded {
  margin-top: 0.85rem;
}

.news-card-list {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.news-card-tags {
  font-size: 0.95rem;
  line-height: 1.7;
}

.news-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.news-card-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--brand);
  font-weight: 600;
}

.news-card-links a:hover,
.news-card-links a:focus-visible {
  color: var(--brand-strong);
}

.news-card[hidden] {
  display: none;
}

.home-contact-card {
  display: grid;
  gap: 1rem;
}

.home-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.home-contact-item p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.home-contact-item a {
  color: var(--brand);
  font-weight: 600;
}

.home-contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  background: rgba(34, 76, 85, 0.08);
  color: var(--brand-strong);
  flex: 0 0 auto;
}

.research-topic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.research-topic-card {
  display: block;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 249, 0.8);
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.research-topic-card:hover,
.research-topic-card:focus-visible,
.research-topic-card.is-active {
  transform: translateY(-2px);
  background: rgba(227, 236, 232, 0.82);
  border-color: rgba(34, 76, 85, 0.24);
}

.research-topic-card h3 {
  margin-bottom: 0.45rem;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.research-topic-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.research-topic-index {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.research-topic-section[hidden] {
  display: none;
}

.research-card {
  overflow: hidden;
}

.research-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--surface-strong);
}

.research-body p:last-of-type {
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--brand);
  font-weight: 700;
}

.text-link::after {
  content: "->";
  transition: transform var(--transition);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translateX(3px);
}

.query-block {
  margin: 1rem 0 0;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(32, 49, 56, 0.12);
  border-radius: 16px;
  background: rgba(240, 235, 226, 0.7);
  color: var(--brand-strong);
  overflow-x: auto;
}

.query-block code {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre;
}

.filters-panel {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.filter-group label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--brand-strong);
}

.filter-group input,
.filter-group select {
  min-height: 48px;
  width: 100%;
  border: 1px solid rgba(32, 49, 56, 0.16);
  border-radius: 14px;
  padding: 0.8rem 0.95rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.filter-group input:focus,
.filter-group select:focus {
  outline: 2px solid rgba(34, 76, 85, 0.18);
  border-color: rgba(34, 76, 85, 0.32);
}

.results-count,
.no-results,
.publication-citation {
  color: var(--ink-soft);
}

.publication-status {
  margin-bottom: 0.75rem;
  color: var(--brand-strong);
  font-weight: 600;
}

.publication-list {
  display: grid;
  gap: 1rem;
}

.manual-publications {
  margin-top: 1.5rem;
}

.manual-publications-heading {
  margin-bottom: 1rem;
}

.manual-publications-heading h2 {
  margin-bottom: 0.35rem;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.35rem;
}

.manual-publications-heading p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.publication-item {
  display: flex;
}

.publication-body {
  display: flex;
  flex: 1;
  min-height: 100%;
  flex-direction: column;
  gap: 1rem;
}

.publication-citation {
  margin-bottom: 0;
}

.publication-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  align-items: center;
  margin-top: auto;
}

.publication-item a {
  color: var(--brand);
  font-weight: 700;
}

.publication-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(34, 76, 85, 0.08);
  transition: background var(--transition), transform var(--transition);
}

.publication-actions a:hover,
.publication-actions a:focus-visible {
  background: rgba(34, 76, 85, 0.16);
  transform: translateY(-1px);
}

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

.site-footer {
  padding: 1.4rem 0 2.2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(32, 49, 56, 0.1);
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.footer-meta {
  max-width: 30ch;
  text-align: right;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .two-column,
  .grid-2,
  .grid-3,
  .grid-4,
  .research-grid,
  .home-focus-grid,
  .metrics-grid,
  .filters-panel {
    grid-template-columns: 1fr;
  }

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

  .news-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .section-heading h2,
  .hero-copy h1,
  .page-hero h1 {
    max-width: none;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 1rem 0;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .brand-mark {
    width: 76px;
    height: 46px;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0.25rem;
  }

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

  .site-nav a {
    border-radius: 14px;
  }

  .hero,
  .page-hero {
    padding-top: 3.4rem;
  }

  .section {
    padding-bottom: 3rem;
  }

  .person-avatar {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

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