.publication-section {
  padding-top: 20px;
  padding-bottom: 100px;

  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.publication-card {
  background: #fff;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.publication-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border-radius: 5px;
}

.publication-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 5px;
}

.publication-card-content {
  padding: 12px 14px 16px;
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.meta {
  display: flex;
  align-items: center;
  gap: 5px;
}

.meta-img {
  width: 16px;
  height: 16px;
  object-fit: cover;
}

.download-btn {
  background: #6b8f71;
  border: none;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s ease;
}

.download-btn:hover {
  background: #5a7c61;
}

.download-img {
  width: 16px;
  height: 16px;
  object-fit: cover;
}

@media (max-width: 992px) {
  .publication-section {
    padding-bottom: 60px;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .publication-section {
    padding-top: 15px;
    padding-bottom: 40px;
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
    gap: 20px;
  }

  .publication-card-img {
    height: 180px;
  }

  .publication-card-content {
    padding: 10px 12px;
  }
}