:root {
  --bg: #f7f5fb;
  --surface: #ffffff;
  --surface-soft: #efeaf7;
  --text: #141024;
  --muted: #4e4867;
  --line: #ddd5ec;
  --accent: #6c3fc7;
  --accent-strong: #3b1e7a;
  --accent-warm: #e07a38;
  --accent-warm-soft: #f7c79b;
  --shadow: 0 22px 48px -32px rgba(27, 14, 60, 0.55);
  --hdr-gradient: linear-gradient(135deg, #1a0b3a 0%, #3b1e7a 30%, #7a3bbd 55%, #e07a38 85%, #ffd27a 100%);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% -2%, rgba(108, 63, 199, 0.12), transparent 42%),
    radial-gradient(circle at 92% 6%, rgba(224, 122, 56, 0.10), transparent 38%),
    var(--bg);
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-strong);
}

.section {
  padding: 4rem 1.5rem;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(239, 234, 247, 0.85) 100%);
  border-top: 1px solid rgba(221, 213, 236, 0.6);
  border-bottom: 1px solid rgba(221, 213, 236, 0.6);
}

.hero-main {
  position: relative;
  overflow: hidden;
}

.hero-main::before,
.hero-main::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-main::before {
  width: 520px;
  height: 520px;
  top: -320px;
  left: -160px;
  background: radial-gradient(circle, rgba(108, 63, 199, 0.22) 0%, rgba(108, 63, 199, 0.03) 70%, transparent 100%);
}

.hero-main::after {
  width: 420px;
  height: 420px;
  top: -240px;
  right: -130px;
  background: radial-gradient(circle, rgba(224, 122, 56, 0.18) 0%, rgba(224, 122, 56, 0.02) 72%, transparent 100%);
}

.hero-main .hero-body {
  padding-top: 2.8rem;
  padding-bottom: 3rem;
}

.hero-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(221, 213, 236, 0.9);
  border-radius: 26px;
  padding: 2.2rem 1.6rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: fade-up 0.75s ease both;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: linear-gradient(90deg, rgba(108, 63, 199, 0.12), rgba(224, 122, 56, 0.12));
  border: 1px solid rgba(108, 63, 199, 0.22);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 0 0 0 3px rgba(224, 122, 56, 0.22);
}

.publication-title {
  font-family: 'Castoro', serif;
  font-weight: 400;
  color: #1a1033;
  letter-spacing: -0.012em;
  line-height: 1.14;
  margin-bottom: 1rem;
}

.publication-title .title-accent {
  background: var(--hdr-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.publication-authors {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  color: var(--muted);
  margin-top: 0.35rem;
  line-height: 1.5;
}

.publication-authors strong {
  color: #241647;
}

.venue-line {
  display: inline-block;
  margin-top: 0.65rem;
  padding: 0.35rem 0.95rem;
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  color: #1f1244;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(221, 213, 236, 0.9);
  border-radius: 999px;
  box-shadow: 0 10px 24px -20px rgba(27, 14, 60, 0.45);
}

.author-block {
  display: inline-block;
}

.publication-links {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.link-block a.button {
  border: 1px solid #d2c5ea;
  background: var(--surface);
  color: #241647;
  box-shadow: 0 14px 26px -22px rgba(27, 14, 60, 0.55);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.link-block a.button:hover {
  transform: translateY(-2px);
  border-color: #a78cde;
  box-shadow: 0 22px 34px -22px rgba(27, 14, 60, 0.45);
}

.link-block a.button.is-primary {
  background: var(--hdr-gradient);
  border: none;
  color: #fff;
}

.link-block a.button.is-primary:hover {
  filter: brightness(1.06);
}

.hero-stats {
  margin: 1.4rem auto 0;
  max-width: 880px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.stat-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 122, 56, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.stat-value {
  margin: 0;
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: #3a1d79;
  line-height: 1.1;
}

.stat-label {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.25;
}

.section-title {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  color: #22103f;
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
}

.section-title::before {
  content: "";
  width: 10px;
  height: 22px;
  border-radius: 3px;
  background: var(--hdr-gradient);
  display: inline-block;
  transform: translateY(3px);
}

.section-intro {
  color: var(--muted);
  max-width: 74ch;
  margin-bottom: 1.3rem;
}

.figure-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.6rem;
  box-shadow: var(--shadow);
}

.dataset-figure {
  width: 100%;
  display: block;
  border-radius: 12px;
}

.figure-caption {
  margin: 0.7rem 0.3rem 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}

.card-header {
  box-shadow: none;
  border-bottom: 1px solid #ebe3f6;
  background: linear-gradient(180deg, #fbf8ff 0%, #efe7fa 100%);
}

.card-header-title {
  color: #2a1555;
  font-weight: 600;
}

.abstract-card .card-content {
  padding: 1.55rem 1.7rem;
}

.abstract-text {
  font-size: 1.06rem;
  line-height: 1.82;
  color: #261a42;
}

.abstract-text b,
.abstract-text strong {
  color: #3a1d79;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--hdr-gradient);
}

.feature-card h4 {
  margin: 0 0 0.35rem;
  color: #2a1555;
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.split-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}

.split-card h4 {
  margin: 0 0 0.4rem;
  color: #2a1555;
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
}

.split-card .sub-stat {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
  font-size: 0.95rem;
  color: #2f1e4e;
  border-bottom: 1px dashed #e3dbf3;
}

.split-card .sub-stat:last-child {
  border-bottom: none;
}

.split-card .sub-stat strong {
  color: #3a1d79;
}

.frame-carousel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.carousel-shell {
  width: min(1000px, 100%);
  aspect-ratio: 5 / 3;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, #fbf8ff 0%, #ece2f8 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.carousel-media {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#carouselImage {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.25s ease;
}

.carousel-caption {
  width: min(1000px, 100%);
  padding: 0.75rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.carousel-caption p {
  margin: 0;
  color: #2c1e4a;
}

.nav-btn {
  min-width: 132px;
  border: 1px solid #2a1555 !important;
  background: var(--accent-strong) !important;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.nav-btn:hover {
  transform: translateY(-1px);
  background: #4d2a92 !important;
  box-shadow: 0 16px 28px -18px rgba(27, 14, 60, 0.6);
}

.dataset-access .columns {
  row-gap: 0.85rem;
}

.access-card {
  border-left: 4px solid var(--accent);
}

.access-card .card-header-title::before {
  content: counter(step);
  counter-increment: step;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  margin-right: 0.65rem;
  border-radius: 50%;
  background: var(--hdr-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.dataset-access .columns {
  counter-reset: step;
}

.metrics-table {
  border-radius: 12px;
  overflow: hidden;
}

.metrics-table th {
  background: #efe7fa;
  color: #2a1555;
}

.metrics-table td strong {
  color: #3a1d79;
}

.samples-section .card {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.samples-section .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 34px -22px rgba(27, 14, 60, 0.55);
}

.video-card {
  width: 100%;
  display: block;
  background: #000;
}

.sample-group-title {
  color: #2a1555;
}

.placeholder-note {
  background: linear-gradient(90deg, rgba(224, 122, 56, 0.14), rgba(108, 63, 199, 0.08));
  border: 1px dashed rgba(224, 122, 56, 0.55);
  color: #522c0d;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.92rem;
  margin: 0.9rem 0 0;
}

pre {
  border-radius: 12px;
}

pre code {
  font-size: 0.94rem;
}

code {
  background: #efe7fa;
  color: #2a1555;
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

.bibtex-block {
  background: #150827;
  border: 1px solid #2b1d4a;
  box-shadow: var(--shadow);
}

.bibtex-block code {
  background: transparent;
  color: #e7dbff;
  padding: 0;
}

.site-footer {
  background: linear-gradient(180deg, #fbf8ff 0%, #efe7fa 100%);
  border-top: 1px solid var(--line);
}

.site-footer .content {
  color: #40305f;
}

.footer .icon-link {
  font-size: 25px;
  color: #000;
}

.related-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.related-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  color: #241647;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 34px -22px rgba(27, 14, 60, 0.55);
  color: #3a1d79;
}

.related-card .tag-row {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6a4ec7;
  margin-bottom: 0.35rem;
}

.related-card h4 {
  margin: 0 0 0.35rem;
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  color: #2a1555;
}

.related-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 1023px) {
  .hero-panel {
    padding: 1.7rem 1rem;
  }

  .publication-title {
    font-size: 2.2rem !important;
  }

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

@media screen and (max-width: 768px) {
  .section {
    padding: 3rem 1rem;
  }

  .publication-title {
    font-size: 1.85rem !important;
    line-height: 1.2;
  }

  .publication-authors {
    font-size: 1rem !important;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

  .carousel-shell {
    aspect-ratio: 16 / 10;
  }

  .carousel-caption {
    font-size: 0.92rem;
  }

  .buttons {
    gap: 0.55rem;
  }

  .nav-btn {
    min-width: 115px;
  }
}