:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --border: #e2e0d8;
  --text: #1a1917;
  --muted: #6d6b67;
  --accent: #1a3a6b;
  --accent-soft: #e8edf5;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(26, 58, 107, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
}

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

button,
a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: 'DM Mono', monospace;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
}

button:focus,
a.button:focus {
  outline: 3px solid rgba(26, 58, 107, 0.22);
  outline-offset: 3px;
}

button,
a.button {
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

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

.header-inner,
.footer-inner,
.page {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 246, 242, 0.95);
  border-bottom: 1px solid rgba(26, 58, 107, 0.1);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
}

.brand {
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.22em;
  font-size: 0.85rem;
  color: var(--text);
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.nav-link {
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.main {
  padding: 3rem 0 5rem;
}

.hero {
  padding: 3rem 0 2rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.9;
  font-weight: 500;
  letter-spacing: -0.04em;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-title-mark,
.hero-title-main {
  display: inline-block;
}

.hero-title-mark {
  font-family: 'DM Mono', monospace;
  color: var(--accent);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-title-main {
  font-family: var(--sans);
  color: var(--text);
  font-size: 1.1em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title-separator {
  color: var(--muted);
  font-size: 0.8em;
  line-height: 1;
}

.hero-title::after {
  content: '';
  display: block;
  width: 5rem;
  height: 2px;
  background: var(--accent);
  margin-top: 0.85rem;
  border-radius: 999px;
}

.hero-subtitle,
.section-text,
.panel-list li,
.card p,
.news-card h3,
.page-intro p {
  color: var(--muted);
}

.hero-subtitle {
  max-width: 760px;
  margin: 1.6rem 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.card-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
}

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

.section {
  padding: 3rem 0;
}

.section-label {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-heading h2,
.card h2,
.page-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.split-grid,
.intro-cards,
.news-grid,
.team-grid,
.panel-grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.card,
.panel,
.news-card,
.team-card,
.page-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.page-publications .publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-publications .publication-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.78rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  text-decoration: none;
}

.page-publications .publication-links a:hover {
  background: var(--accent-light);
}

.publication-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.publication-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  line-height: 1.7;
}

.publication-list li a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.publication-list li a:hover {
  color: var(--accent);
}

.publication-acronym {
  color: var(--accent);
  font-weight: 700;
}

.page-publications h3 {
  scroll-margin-top: 96px;
}

.card-label {
  margin-bottom: 1rem;
  display: block;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tag {
  display: inline-flex;
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
}

.panel {
  padding: 2rem;
}

.panel-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

.panel-list li {
  margin-bottom: 0.75rem;
}

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

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.news-list li.older {
  display: none;
}

.news-list.expanded li.older {
  display: grid;
}

.news-toggle {
  margin-top: 1.5rem;
}

.news-list li {
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.news-paper-title {
  display: block;
  margin-left: 1.2rem;
  margin-top: 0.25rem;
  color: var(--text);
}

.news-list li strong {
  color: var(--accent);
}

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

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.research-card img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.news-card {
  display: grid;
  gap: 1rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.news-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.news-year {
  font-family: 'DM Mono', monospace;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.news-meta {
  margin: 0;
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent);
}

.news-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.page-title {
  font-size: 3rem;
}

.page-intro {
  margin: 1.25rem 0 0;
}

.page-intro p {
  max-width: 680px;
  font-size: 1rem;
}

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

.page-research .panel-grid {
  grid-template-columns: 1fr !important;
}

.page-publications .panel-grid {
  grid-template-columns: 1fr;
}

.team-card {
  padding: 1.75rem;
}

.page-team .team-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-team .team-grid .team-card {
  margin: 0 auto;
  max-width: 360px;
}

.page-team .team-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  display: block;
  border-radius: 18px;
  object-fit: cover;
  margin: 0 auto 1.25rem;
}

.team-card a.member-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.team-card a.member-link:hover {
  text-decoration: underline;
}

.team-member {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 1.75rem;
  align-items: start;
}

.team-member img {
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 18px;
  object-fit: contain;
  min-width: auto;
}

.team-member h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.team-member .member-role {
  margin: 0 0 1rem;
  color: inherit;
  font-family: inherit;
  font-size: 0.95rem;
  letter-spacing: 0;
  line-height: inherit;
}

.team-member .member-contact {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.team-member ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.35;
}

.team-member ul li {
  margin-bottom: 0.45rem;
}

.team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 2rem;
}

.team-list li {
  break-inside: avoid-column;
  margin-bottom: 0.65rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .team-member {
    grid-template-columns: 1fr;
  }

  .team-member img {
    width: 100%;
    height: auto;
    min-width: auto;
  }

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

.team-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.team-card p {
  margin: 0;
}

.site-footer {
  padding: 2rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .intro-cards,
  .split-grid,
  .news-grid,
  .team-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 1rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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