body {
  font-family: 'Noto Sans', sans-serif;
}

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

.link-block a {
    margin-top: 5px;
    margin-bottom: 5px;
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 3rem;
}

.teaser {
  font-family: 'Google Sans', sans-serif;
}

.publication-title {
    font-family: 'Google Sans', sans-serif;
}

.publication-subtitle {
    font-family: 'Google Sans', sans-serif;
    color: #555;
    font-weight: 400;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
}

.publication-authors {
    font-family: 'Google Sans', sans-serif;
}

.publication-authors a {
   color: hsl(204, 86%, 53%) !important;
}

.publication-authors a:hover {
    text-decoration: underline;
}

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

.affiliation-block {
  line-height: 1.8;
  margin-top: 0.5rem;
}

.publication-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    border-radius: 10px !important;
}

.publication-video iframe,
.publication-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

/* Contribution cards */
.contribution-card {
  height: 100%;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s ease;
}

.contribution-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.contribution-card .card-content {
  padding: 1.5rem;
}

/* Experiment cards */
.experiment-card {
  height: 100%;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s ease;
}

.experiment-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.experiment-card .card-content {
  padding: 1.25rem;
}

.experiment-card .card-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Technical details collapsible */
.technical-details {
  background: #f5f5f5;
  border-radius: 14px;
  padding: 1.4rem 1.8rem 1.8rem;
}

.technical-details summary {
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
}

.technical-details summary::-webkit-details-marker {
  display: none;
}

.technical-details[open] summary .fa-chevron-right {
  transform: rotate(90deg);
}

.technical-intro {
  margin: 1rem 0 1.4rem;
  color: #555;
  max-width: 860px;
  line-height: 1.55;
}

/* Analysis 2-column grid */
.analysis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.analysis-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.analysis-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #333;
}

.analysis-card > img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  border-radius: 10px;
}

.analysis-card p {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #444;
  text-align: center;
}

.force-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.force-grid img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  border-radius: 10px;
}

/* Section spacing */
.section {
  padding: 3rem 1.5rem;
}

/* Navbar link hover */
.navbar-item:hover {
  background-color: #f5f5f5;
}

/* Prototype section: equal-height image containers */
.prototype-img-wrapper {
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: 10px;
  padding: 0.5rem;
}

.prototype-img-wrapper img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 768px) {
  .contribution-card .card-content {
    padding: 1rem;
  }
  .experiment-card .card-content {
    padding: 1rem;
  }
  .prototype-img-wrapper {
    height: 240px;
  }
  .analysis-grid {
    grid-template-columns: 1fr;
  }
  .force-grid {
    grid-template-columns: 1fr;
  }
  .analysis-card > img,
  .force-grid img {
    height: auto;
  }
}