:root {
  --navy-950: #081120;
  --navy-900: #0f172a;
  --slate-800: #1f2937;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --white: #ffffff;
  --cyan: #22d3ee;
  --blue: #2563eb;
  --indigo: #6366f1;
  --emerald: #10b981;
  --shadow-sm: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 20px 45px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 28px 60px rgba(8, 17, 32, 0.18);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --transition: all 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--slate-800);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.08), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #f8fafc 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  overflow: hidden;
}

.hero,
.section {
  animation: fadeInUp 0.55s ease-out;
}

.project-hero {
  position: relative;
  background:
    radial-gradient(circle at 15% 15%, rgba(34, 211, 238, 0.16), transparent 22%),
    radial-gradient(circle at 85% 20%, rgba(99, 102, 241, 0.18), transparent 25%),
    linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 45%, #172554 100%);
  color: var(--white);
}

.project-hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(248, 250, 252, 0.95) 100%);
  pointer-events: none;
}

.hero-body {
  padding: 5rem 1.5rem;
}

.eyebrow,
.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.eyebrow {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1.2rem;
}

.publication-title {
  font-family: 'Inter', sans-serif !important;
  font-weight: 800 !important;
  color: var(--white) !important;
  line-height: 1.08 !important;
  margin-bottom: 1.5rem !important;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.hero-summary {
  max-width: 840px;
  margin: 0 auto 1.75rem;
  font-size: 1.18rem;
  color: rgba(255, 255, 255, 0.82);
}

.publication-authors,
.publication-affiliations {
  color: rgba(255, 255, 255, 0.88);
}

.publication-authors {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.publication-authors a {
  color: var(--cyan) !important;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.publication-authors a:hover {
  color: var(--white) !important;
}

.author-separator {
  opacity: 0.55;
}

.publication-affiliations {
  font-size: 1rem;
  margin-bottom: 2rem;
}

.publication-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.link-block a {
  margin: 0;
}

.button {
  border-radius: 999px !important;
  font-weight: 700 !important;
  transition: var(--transition) !important;
  padding-left: 1.15rem !important;
  padding-right: 1.15rem !important;
}

.button.is-dark {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--white) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.button.is-dark:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.16) !important;
  border-color: rgba(255, 255, 255, 0.28) !important;
}

.hero-visual-section {
  margin-top: -2.5rem;
  position: relative;
  z-index: 2;
}

.hero-visual-card,
.feature-card,
.method-card,
.stat-card,
.detail-card,
.results-carousel .item,
pre {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
}

.hero-visual-card {
  padding: 1rem;
}

.hero-visual-card video {
  width: 100%;
  display: block;
  border-radius: calc(var(--radius-md) - 8px);
}

.visual-caption {
  margin: 1rem 0 0;
  color: var(--slate-500);
  font-size: 0.98rem;
  text-align: center;
}

.section-kicker {
  color: var(--blue);
  margin-bottom: 0.55rem;
}

.section-heading {
  margin-bottom: 2rem;
}

.title.is-3,
.title {
  font-family: 'Inter', sans-serif !important;
  font-weight: 800 !important;
  color: var(--navy-900);
}

.title.is-3 {
  margin-bottom: 0 !important;
}

.lead-content {
  font-size: 1.08rem;
  color: var(--slate-700);
}

.lead-content.compact p:last-child {
  margin-bottom: 0;
}

.feature-card,
.method-card,
.detail-card {
  height: 100%;
  padding: 1.6rem;
}

.feature-card h3,
.method-card h3,
.detail-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
}

.feature-card p,
.detail-card p,
.method-card li {
  color: var(--slate-700);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(34, 211, 238, 0.18));
  color: var(--blue);
  font-size: 1.2rem;
}

.method-card ul {
  margin: 0;
  padding-left: 1.15rem;
}

.method-card li + li {
  margin-top: 0.55rem;
}

.results-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  padding: 1.5rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2.2rem;
  line-height: 1;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 0.45rem;
}

.stat-label {
  display: block;
  color: var(--slate-600, #475569);
  font-size: 0.95rem;
}

.media-section .container {
  max-width: 1160px;
}

.results-carousel {
  overflow: hidden;
  padding: 0.75rem 0 0;
}

.results-carousel .item {
  margin: 1rem;
  padding: 1rem;
  transition: var(--transition);
}

.results-carousel .item:hover,
.feature-card:hover,
.method-card:hover,
.detail-card:hover,
.stat-card:hover,
.hero-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.results-carousel .item img,
.results-carousel video {
  margin: 0;
  width: 100%;
  border-radius: calc(var(--radius-md) - 10px);
}

.results-carousel .subtitle {
  font-size: 0.98rem !important;
  color: var(--slate-500);
  margin-top: 0.9rem;
  font-weight: 500;
}

.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-lg);
}

.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
}

.detail-columns,
.method-columns {
  align-items: stretch;
}

.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

pre {
  padding: 1.4rem !important;
  overflow-x: auto;
}

code {
  background: transparent !important;
  color: var(--navy-900) !important;
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace !important;
}

.copy-bibtex-btn {
  background: var(--navy-900);
  color: var(--white);
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-bibtex-btn:hover {
  transform: translateY(-2px);
  background: var(--blue);
}

.copy-bibtex-btn.copied {
  background: var(--emerald);
}

.footer {
  background: transparent;
  padding: 3rem 1.5rem 4rem;
}

.footer .content {
  color: var(--slate-500);
}

.footer a {
  color: var(--blue);
}

.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: var(--navy-900);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.scroll-to-top:hover {
  transform: translateY(-2px);
  background: var(--blue);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.button:focus,
a:focus,
.copy-bibtex-btn:focus,
.scroll-to-top:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 1023px) {
  .results-summary {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 768px) {
  .hero-body {
    padding: 4rem 1rem;
  }

  .publication-title {
    font-size: 2.35rem !important;
  }

  .hero-summary {
    font-size: 1.02rem;
  }

  .hero-visual-section {
    margin-top: -1.5rem;
  }

  .section-heading {
    margin-bottom: 1.5rem;
  }

  .feature-card,
  .method-card,
  .detail-card,
  .stat-card {
    padding: 1.25rem;
  }

  .bibtex-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media screen and (max-width: 480px) {
  .publication-title {
    font-size: 1.95rem !important;
  }

  .publication-links {
    flex-direction: column;
    align-items: stretch;
  }

  .link-block,
  .link-block a,
  .button {
    width: 100%;
  }

  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
  }
}

@media print {
  .scroll-to-top {
    display: none;
  }

  .hero,
  .section {
    animation: none;
  }
}