:root {
  --bg: #0a0a0b;
  --bg-soft: #121316;
  --panel: #17191d;
  --panel-2: #1f2329;
  --text: #f5f7fb;
  --muted: #a9b0bb;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #4ea1ff;
  --accent-soft: rgba(78, 161, 255, 0.12);
  --max-width: 1160px;
  --radius: 20px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(
      circle at top right,
      rgba(78, 161, 255, 0.08),
      transparent 28%
    ),
    linear-gradient(180deg, #0a0a0b 0%, #0d1014 100%);
  color: var(--text);
  line-height: 1.65;
}

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

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

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

/* =========================================================
   Header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(10, 10, 11, 0.78);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.brand-mark {
  height: 44px;
  padding: 0 12px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(78, 161, 255, 0.28),
    rgba(78, 161, 255, 0.04)
  );
  border: 1px solid rgba(78, 161, 255, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.logo-neit {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  background: linear-gradient(
    180deg,
    #9ed2ff 0%,
    #4ea1ff 45%,
    #1f5fb8 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.logo-lab {
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  background: linear-gradient(
    180deg,
    #e3e7ec 0%,
    #bfc6cf 45%,
    #9aa3ad 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.brand-text span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.2;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.3rem;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 0.92rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.96rem;
  transition:
    color 0.2s ease,
    background 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

/* =========================================================
   Hero sections
   ========================================================= */

.hero {
  padding: 5.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.hero p.hero-full {
  max-width: none;
  font-size: 1.1rem;
  line-height: 1.7;
}

.kicker,
.page-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 700;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  margin: 0.6rem 0 1rem;
  letter-spacing: -0.04em;
}

.hero p,
.page-hero p,
.intro-text {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 62ch;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.65rem;
}

.page-hero {
  padding: 4rem 0 1.5rem;
}

.page-hero .panel {
  padding: 1.4rem;
}

/* =========================================================
   Buttons
   ========================================================= */

.button,
button,
input[type="submit"] {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.92rem 1.3rem;
  font: inherit;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease,
    background 0.2s ease;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
  transform: translateY(-1px);
}

.button.primary,
input[type="submit"] {
  background: var(--text);
  color: #101214;
}

.button.secondary,
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

/* =========================================================
   Panels and cards
   ========================================================= */

.hero-panel,
.panel,
.stat-card,
.card,
.quote-block,
.publication-item,
.news-item,
.person-card,
.contact-card,
.timeline-item,
.job-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.2rem;
}

.hero-panel img {
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--line);
}

.card,
.person-card,
.contact-card,
.job-card,
.timeline-item,
.news-item,
.publication-item {
  padding: 1.4rem;
}

.card h3,
.person-card h3,
.job-card h3,
.news-item h3,
.publication-item h3,
.contact-card h3,
.timeline-item h3,
.news-entry h2 {
  margin-top: 0;
  margin-bottom: 0.55rem;
  font-size: 1.12rem;
}

.card p,
.person-card p,
.job-card p,
.news-item p,
.publication-item p,
.contact-card p,
.timeline-item p,
.news-entry p,
.list-muted,
.meta,
small {
  color: var(--muted);
}

.card ul,
.content-list,
.clean-list {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

/* =========================================================
   Metrics
   ========================================================= */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.stat-card {
  padding: 1rem;
}

.stat-card strong {
  display: block;
  font-size: 1.55rem;
  margin-bottom: 0.15rem;
}

/* =========================================================
   Sections and headings
   ========================================================= */

.section {
  padding: 2.8rem 0;
}

.section-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.section-heading > div {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.section-heading h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.section-heading p {
  margin: 0 0 0.2rem;
  color: var(--muted);
  max-width: 90ch;
}

.inline-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.inline-link:hover {
  border-bottom-color: var(--accent);
}

/* =========================================================
   Grids and layouts
   ========================================================= */

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.2rem;
}

.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));
}

.feature-strip {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
}

.two-column-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.3rem;
}

/* =========================================================
   Quotes and tags
   ========================================================= */

.quote-block {
  padding: 1.4rem;
}

.quote-block blockquote {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.6;
}

.quote-block cite {
  display: block;
  margin-top: 1rem;
  color: var(--muted);
  font-style: normal;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #cfe4ff;
  border: 1px solid rgba(78, 161, 255, 0.18);
  font-size: 0.9rem;
}

/* =========================================================
   Media blocks
   ========================================================= */

.media-block {
  overflow: hidden;
}

.media-block img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--line);
}

/* =========================================================
   People page
   ========================================================= */

.person-card .role,
.publication-meta,
.news-meta,
.job-meta,
.contact-meta {
  font-size: 0.94rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.person-card .details,
.publication-meta span,
.news-meta span {
  color: var(--muted);
}

.person-avatar {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  font-weight: 700;
}

.person-photo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.05);
}

.person-avatar-fallback {
  margin-bottom: 1rem;
}

/* =========================================================
   News, publications, timeline and jobs
   ========================================================= */

.news-list,
.pub-list,
.timeline,
.jobs {
  display: grid;
  gap: 1rem;
}

.news-entry {
  padding: 1.4rem;
  scroll-margin-top: 110px;
}

.news-entry h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.news-entry .tag-list {
  margin-top: 0;
}

.news-content {
  margin-top: 0.9rem;
}

.news-content p + p {
  margin-top: 0.9rem;
}

.news-item h3 a,
.news-entry h2 a,
.card h3 a {
  transition: color 0.2s ease;
}

.news-item h3 a:hover,
.news-entry h2 a:hover,
.card h3 a:hover {
  color: var(--accent);
}

/* =========================================================
   Join page
   ========================================================= */

.position-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: 2rem;
}

.position-actions .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* =========================================================
   Call-to-action banner
   ========================================================= */

.cta-band {
  margin: 2.8rem 0 0;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    rgba(78, 161, 255, 0.18),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid rgba(78, 161, 255, 0.18);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cta-band > div:first-child {
  flex: 1 1 720px;
  min-width: 0;
}

.cta-band h3 {
  margin: 0 0 0.4rem;
}

.cta-band .intro-text {
  margin: 0;
  max-width: 85ch;
}

.cta-band .button-row {
  margin-top: 0;
  flex: 0 0 auto;
}

/* =========================================================
   Publications controls
   ========================================================= */

.publication-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.publication-search,
.publication-filter {
  min-width: 0;
}

.publication-search label,
.publication-filter label {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
}

.publication-search input,
.publication-filter select {
  width: 100%;
}

.publication-item .meta {
  margin-bottom: 0.75rem;
}

.publication-item p + p {
  margin-top: 0.6rem;
}

/* =========================================================
   Accessibility
   ========================================================= */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   Table-like layouts
   ========================================================= */

.table-like {
  display: grid;
  gap: 0.8rem;
}

.table-row {
  display: grid;
  grid-template-columns: 130px 1fr 130px;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.table-row:last-child {
  border-bottom: 0;
}

/* =========================================================
   Forms
   ========================================================= */

form {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.note {
  font-size: 0.94rem;
  color: var(--muted);
}

.muted-link {
  color: var(--accent);
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  padding: 2.8rem 0 3.4rem;
  border-top: 1px solid var(--line);
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 1.4rem;
}

.footer h3 {
  margin-top: 0;
  font-size: 1rem;
}

.footer p,
.footer li,
.footer a {
  color: var(--muted);
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-bottom {
  margin-top: 1.7rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

/* =========================================================
   Responsive layout: tablets
   ========================================================= */

@media (max-width: 980px) {
  .hero-grid,
  .two-column-layout,
  .feature-strip,
  .footer-grid,
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

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

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

  .cta-band {
    align-items: flex-start;
  }
}

/* =========================================================
   Responsive navigation and sections
   ========================================================= */

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 1rem;
    right: 1rem;
    background: rgba(17, 18, 21, 0.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 0.8rem;
    box-shadow: var(--shadow);
    display: none;
  }

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

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a {
    min-height: 46px;
    width: 100%;
    border-radius: 12px;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    margin-top: 0.6rem;
    max-width: none;
  }

  .cta-band {
    padding: 1.5rem;
  }

  .cta-band .button-row {
    width: 100%;
  }

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

/* =========================================================
   Responsive layout: mobile
   ========================================================= */

@media (max-width: 600px) {
  .hero {
    padding-top: 4rem;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.4rem, 13vw, 3.5rem);
  }

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

  .position-actions .button {
    width: 100%;
  }

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

  .hero-actions .button,
  .button-row .button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .cta-band {
    padding: 1.25rem;
  }

  .news-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
  } 

  .news-actions .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}