:root {
  --text: #17232d;
  --muted: #5b6d7b;
  --line: #d8e0e5;
  --soft: #f4f7f8;
  --surface: #ffffff;
  --accent: #168f8b;
  --accent-dark: #0d615e;
  --accent-soft: #e5f5f3;
  --ink: #0f1720;
}

html {
  background: var(--surface);
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  font-family: "Noto Sans", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.62;
}

img {
  max-width: 100%;
}

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

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

.hero {
  background:
    radial-gradient(circle at 50% 0, rgb(22 143 139 / 10%), transparent 38rem),
    var(--surface);
  border-bottom: 1px solid var(--line);
}

.hero-body {
  padding: 4.25rem 1.5rem 3rem;
}

.publication-label,
.eyebrow {
  color: var(--accent-dark);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.publication-title {
  color: var(--text);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: clamp(2rem, 4.2vw, 3.35rem);
  font-weight: 700;
  line-height: 1.13;
  margin-left: auto;
  margin-right: auto;
  max-width: 1080px;
}

.publication-authors {
  color: var(--accent-dark);
  display: flex;
  flex-wrap: wrap;
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1.25rem;
  gap: 0.35rem 1.1rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.publication-affiliation {
  color: var(--muted);
  font-size: 1rem;
  margin-top: 0.35rem;
}

.publication-venue {
  color: var(--text);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0.75rem;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.publication-links .button {
  border: 0;
  font-size: 0.94rem;
  min-height: 2.5rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.72;
  pointer-events: none;
}

.section {
  padding: 3.7rem 1.5rem;
}

.title {
  color: var(--text);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
}

.section-muted {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.section-intro {
  color: var(--muted);
  margin-bottom: 1.6rem;
  max-width: 850px;
}

.teaser-section {
  padding-bottom: 1.5rem;
  padding-top: 1.75rem;
}

.teaser {
  margin: 0 auto;
  max-width: 1220px;
}

.teaser img {
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 34px rgb(23 35 45 / 9%);
  display: block;
  height: auto;
  width: 100%;
}

figcaption {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.45;
  margin-top: 0.7rem;
  text-align: center;
}

.stats-section {
  padding-bottom: 2.25rem;
  padding-top: 1.25rem;
}

.stats-grid {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1.2rem 0.75rem;
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid var(--line);
}

.stat strong {
  color: var(--accent-dark);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1.65rem;
  line-height: 1.15;
}

.stat span {
  color: var(--muted);
  font-size: 0.85rem;
}

.lead-copy {
  max-width: 880px;
}

.content p {
  margin-bottom: 1rem;
}

.contribution-grid {
  margin-top: 1.4rem;
}

.contribution-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  height: 100%;
  padding: 1.3rem;
}

.contribution-icon,
.resource-icon {
  align-items: center;
  background: var(--accent-soft);
  border-radius: 999px;
  color: var(--accent-dark);
  display: inline-flex;
  flex: 0 0 auto;
  height: 2.4rem;
  justify-content: center;
  width: 2.4rem;
}

.contribution-item .title {
  margin-bottom: 0.45rem;
  margin-top: 0.85rem;
}

.contribution-item p {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.5;
}

.method-flow {
  align-items: stretch;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
}

.method-step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 1rem;
}

.method-step .step-number {
  align-items: center;
  background: var(--accent-dark);
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  height: 1.8rem;
  justify-content: center;
  margin-bottom: 1.1rem;
  width: 1.8rem;
}

.method-step strong {
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.method-step > span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.flow-arrow {
  align-items: center;
  color: var(--accent-dark);
  display: flex;
  justify-content: center;
}

.dataset-header {
  margin: 0 auto 1.6rem;
  max-width: 790px;
}

.dataset-header p:last-child {
  color: var(--muted);
}

.sensor-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sensor-grid figure {
  margin: 0;
}

.sensor-grid img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  object-fit: cover;
  width: 100%;
}

.dataset-details {
  margin: 3rem auto 0;
  max-width: 860px;
}

.dataset-copy p {
  color: var(--muted);
  font-size: 0.97rem;
}

.fact-list {
  border-top: 1px solid var(--line);
  margin-top: 1.25rem;
}

.fact-list div {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.48rem 0;
}

.fact-list dt {
  color: var(--muted);
  font-size: 0.9rem;
}

.fact-list dd {
  font-size: 0.9rem;
  font-weight: 600;
  text-align: right;
}

.result-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  padding: 1.3rem;
}

.result-card > span {
  color: var(--muted);
  font-size: 0.9rem;
}

.result-card strong {
  color: var(--accent-dark);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 2.2rem;
  line-height: 1.2;
  margin: 0.4rem 0 0.1rem;
}

.result-card small {
  color: var(--muted);
}

.result-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.9rem;
}

.qualitative-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.8rem;
}

.qualitative-grid figure {
  margin: 0;
}

.qualitative-grid img {
  aspect-ratio: 16 / 9;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  object-fit: contain;
  width: 100%;
}

.resource-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resource-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  gap: 1rem;
  padding: 1.2rem;
}

.resource-card h3 {
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.resource-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
  margin-bottom: 0.35rem;
}

.resource-status {
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.citation-section {
  padding-top: 1.5rem;
}

.coming-soon {
  color: var(--accent-dark);
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
}

.bibtex {
  background: var(--ink);
  border-radius: 8px;
  color: #eef5f8;
  font-family: "Roboto Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-x: auto;
  padding: 1rem;
  white-space: pre;
}

.footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 2rem 1.5rem;
}

.footer .template-credit {
  font-size: 0.82rem;
}

@media (max-width: 960px) {
  body {
    font-size: 17px;
  }

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

  .flow-arrow {
    display: none;
  }

  .method-step {
    min-height: 160px;
  }

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

  .sensor-grid figure {
    margin-left: auto;
    margin-right: auto;
    max-width: 680px;
    width: 100%;
  }
}

@media (max-width: 720px) {
  .stats-grid,
  .result-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }

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

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

  .stat + .stat {
    border-left: 0;
  }

  .stat:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .stat:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 520px) {
  .hero-body {
    padding: 2.6rem 1rem 1.8rem;
  }

  .section {
    padding: 2.7rem 1rem;
  }

  .publication-authors {
    font-size: 1.05rem;
  }

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

  .publication-links .button {
    width: 100%;
  }

  .method-flow {
    grid-template-columns: 1fr;
  }

  .method-step {
    min-height: auto;
  }

  .fact-list div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.1rem;
  }

  .fact-list dd {
    text-align: left;
  }
}