:root {
  --bg: #f5f8fc;
  --surface: #ffffff;
  --surface-soft: #eef4fb;
  --text: #111f33;
  --muted: #4c5f76;
  --line: #d7e2ef;
  --accent: #0f6db3;
  --accent-strong: #123f68;
  --shadow: 0 20px 45px -32px rgba(15, 23, 42, 0.45);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(15, 109, 179, 0.08), transparent 42%),
    radial-gradient(circle at 90% 6%, rgba(15, 109, 179, 0.06), transparent 36%),
    var(--bg);
}

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

a:hover {
  color: #0d5f9b;
}

.section {
  padding: 4rem 1.5rem;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(238, 244, 251, 0.8) 100%);
  border-top: 1px solid rgba(215, 226, 239, 0.55);
  border-bottom: 1px solid rgba(215, 226, 239, 0.55);
}

.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: 440px;
  height: 440px;
  top: -280px;
  left: -130px;
  background: radial-gradient(circle, rgba(15, 109, 179, 0.18) 0%, rgba(15, 109, 179, 0.02) 72%, transparent 100%);
}

.hero-main::after {
  width: 360px;
  height: 360px;
  top: -230px;
  right: -100px;
  background: radial-gradient(circle, rgba(18, 63, 104, 0.15) 0%, rgba(18, 63, 104, 0.02) 70%, transparent 100%);
}

.hero-main .hero-body {
  padding-top: 2.6rem;
  padding-bottom: 2.8rem;
}

.hero-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(215, 226, 239, 0.9);
  border-radius: 24px;
  padding: 2.1rem 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  animation: fade-up 0.75s ease both;
}

.publication-title {
  font-family: 'Castoro', serif;
  font-weight: 400;
  color: #102b46;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.publication-authors {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  color: var(--muted);
  margin-top: 0.3rem;
  line-height: 1.45;
}

.publication-authors strong {
  color: #173757;
}

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

.publication-links {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.link-block a {
  margin-top: 0;
  margin-bottom: 0;
}

.link-block a.button {
  border: 1px solid #c8d8ea;
  background: var(--surface);
  color: #113254;
  box-shadow: 0 14px 26px -24px rgba(15, 23, 42, 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: #8db8dd;
  box-shadow: 0 20px 34px -24px rgba(15, 23, 42, 0.48);
}

.hero-stats {
  margin: 1.35rem auto 0;
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.stat-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.7rem 0.8rem;
  box-shadow: var(--shadow);
}

.stat-value {
  margin: 0;
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 1.28rem;
  color: #0f4f84;
  line-height: 1.1;
}

.stat-label {
  margin: 0.15rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.2;
}

.section-title {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  color: #163451;
  margin-bottom: 0.9rem;
}

.section-intro {
  color: var(--muted);
  max-width: 72ch;
  margin-bottom: 1.1rem;
}

.figure-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.55rem;
  box-shadow: var(--shadow);
}

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

.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 #e4edf7;
  background: linear-gradient(180deg, #f8fbff 0%, #eef5fd 100%);
}

.card-header-title {
  color: #17395b;
  font-weight: 600;
}

.abstract-card .card-content {
  padding: 1.45rem 1.6rem;
}

.abstract-text {
  font-size: 1.06rem;
  line-height: 1.8;
  color: #20354d;
}

.frame-carousel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.carousel-shell {
  width: min(1000px, 100%);
  aspect-ratio: 5 / 3;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, #f8fbff 0%, #eaf2fb 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: 0.7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.carousel-caption p {
  margin: 0;
  color: #213750;
}

.nav-btn {
  min-width: 128px;
  border: 1px solid #103f69 !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: #0f375a !important;
  box-shadow: 0 16px 28px -18px rgba(15, 23, 42, 0.62);
}

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

.access-card {
  border-left: 4px solid #8ebade;
}

.model-section .content p,
.model-section .content li {
  color: #253c56;
}

.model-figure img {
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

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

.metrics-table th {
  background: #eef5fd;
  color: #17395b;
}

.metrics-table td strong {
  color: #0d5d9c;
}

.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 -24px rgba(15, 23, 42, 0.52);
}

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

.sample-group-title {
  color: #1c3b5b;
}

pre {
  border-radius: 12px;
}

pre code {
  font-size: 0.94rem;
}

code {
  background: #eaf2fb;
  color: #1a3859;
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

.bibtex-block {
  background: #0d1a2c;
  border: 1px solid #213651;
  box-shadow: var(--shadow);
}

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

.site-footer {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
  border-top: 1px solid var(--line);
}

.site-footer .content {
  color: #3f546e;
}

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

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

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

@media screen and (max-width: 1023px) {
  .hero-panel {
    padding: 1.55rem 1rem;
  }

  .publication-title {
    font-size: 2.15rem !important;
  }
}

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

  .publication-title {
    font-size: 1.82rem !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;
  }
}