.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin: 20px;
  width: 100%;
  flex: 1;
  min-width: 0;
}
.news-item {
  display: block;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
  width: 100%;
  min-height: 300px;
  color: inherit;
  text-decoration: none;
}
.news-item:visited,
.news-item:hover,
.news-item:active {
  color: inherit;
  text-decoration: none;
}
.news-item:hover {
  transform: translateY(-5px);
}
.news-image {
  width: 100%;
  overflow: visible;
}
.news-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
.news-content {
  padding: 15px;
  font-family: "Alliance", sans-serif;
  color: #000;
}
.news-date {
  font-size: 0.90rem;
  color: #000000;
  margin-bottom: 5px;
  font-family: "Alliance", sans-serif;
}
.news-title {
  font-size: 1.1em;
  font-weight: bold;
  margin: 0;
  color: #000;
}
.news-institution {
  font-size: 0.85rem;
  color: #555;
  margin-top: 6px;
  font-family: "Alliance", sans-serif;
}

/* ======================================== */
/* Mobile : une seule colonne pleine largeur, */
/* hauteur libre pour que le texte ne soit   */
/* jamais coupé                              */
/* ======================================== */
@media (max-width: 600px) {
  .news-grid {
    grid-template-columns: 1fr;
    margin: 10px;
    gap: 15px;
  }
  .news-item {
    width: 100%;
    min-height: auto;
  }
}