:root {
  --bg: #07111f;
  --bg-soft: #0c172a;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.09);
  --text: #e8eef8;
  --muted: #a7b7cd;
  --line: rgba(255,255,255,0.12);
  --brand: #80bfff;
  --brand-strong: #b4d5ff;
  --accent: #86f0d1;
  --shadow: 0 18px 50px rgba(0,0,0,0.28);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Noto Sans SC", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(128,191,255,0.18), transparent 26%),
    radial-gradient(circle at 85% 10%, rgba(134,240,209,0.12), transparent 22%),
    linear-gradient(180deg, #06101d 0%, #081525 45%, #06101b 100%);
  line-height: 1.65;
}

a { color: var(--brand-strong); text-decoration: none; }
a:hover { color: white; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(6, 16, 29, 0.72);
  border-bottom: 1px solid var(--line);
}

.brand-logo{
  height: 30px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: white;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(128,191,255,0.25), rgba(134,240,209,0.18));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.86rem;
}

.site-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: white;
}

.hero {
  padding: 72px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: center;
}

.eyebrow,
.section-label,
.panel-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  color: var(--accent);
  font-weight: 700;
}

.hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(3.1rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero h2 {
  margin: 0;
  color: var(--brand-strong);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
}

.lead {
  max-width: 780px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--line);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

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

.button-primary {
  color: #06101b;
  background: linear-gradient(135deg, var(--brand-strong), var(--accent));
  border: none;
}

.button-secondary {
  color: white;
  background: rgba(255,255,255,0.04);
}

.hero-metrics {
  list-style: none;
  padding: 0;
  margin: 34px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-metrics li,
.panel-card,
.card,
.person-card,
.pub-item,
.callout-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-metrics li {
  padding: 20px;
}

.hero-metrics strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.92rem;
}

.panel-card {
  padding: 24px;
}

.glow {
  position: relative;
  overflow: hidden;
}

.glow::before {
  content: "";
  position: absolute;
  inset: -20% auto auto -10%;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(128,191,255,0.22), transparent 60%);
  pointer-events: none;
}

.theme-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.theme-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #dce7f6;
}

.theme-list li:last-child { border-bottom: none; }

.section {
  padding: 54px 0;
}

.alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.section-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 30px;
  align-items: start;
}

.section h3,
.section-head h3 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
}

.section-copy p,
.section-head p,
.muted {
  color: var(--muted);
}

.section-head {
  margin-bottom: 24px;
}

.cards {
  display: grid;
  gap: 18px;
}

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

.card {
  padding: 24px;
}

.card-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.card h4,
.person-card h4,
.pub-item h4,
.news-item h4,
.site-footer h4,
.site-footer h5 {
  margin: 0 0 8px;
}

.card p,
.person-card p,
.pub-item p,
.news-item p,
.site-footer p {
  margin: 0;
}

.people-cards {
  grid-template-columns: 1.2fr repeat(4, minmax(0, 1fr));
}

.person-card {
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.avatar {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(128,191,255,0.2), rgba(134,240,209,0.18));
  border: 1px solid var(--line);
  font-weight: 800;
  flex: 0 0 auto;
}

.lead-person {
  grid-column: span 2;
}

.timeline {
  display: grid;
  gap: 16px;
}

.news-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 22px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.news-item time {
  color: var(--brand-strong);
  font-weight: 700;
}

.publication-list {
  display: grid;
  gap: 16px;
}

.pub-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 22px;
}

.pub-year {
  color: var(--accent);
  font-weight: 800;
  font-size: 1rem;
}

.callout-box {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-footer {
  padding: 38px 0 52px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 20px;
}

@media (max-width: 1080px) {
  .hero-grid,
  .section-grid,
  .footer-grid,
  .research-cards,
  .people-cards,
  .callout-box {
    grid-template-columns: 1fr;
  }

  .lead-person {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .site-nav {
    gap: 14px;
  }

  .hero {
    padding-top: 38px;
  }

  .hero-metrics,
  .news-item,
  .pub-item {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(var(--container), calc(100% - 24px));
  }
}