.back-button {
    display: inline-block;
    margin-top: 1em;
    padding: 0.5em 1em;
    background-color: var(--c-ocean);
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background-color: #0056b3;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 equal columns */
  gap: 2em;
  max-width: 100%;
  margin: 0 auto;
  justify-items: center;
}

.article-card {
  width: 100%;
  max-width: 18em;
  height: 24em;
  border: 1px solid var(--c-grey-1);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: initial;
  overflow: hidden;
  border-radius: 0.5em;
  transition: transform 0.2s ease;
  background-color: var(--c-ocean);
}

.article-card:hover {
    transform: translateY(-4px);
    background-color: var(--c-blue-mminesweeper);
}

.article-card:hover > .article-bar {
    background-color: var(--c-blue-mminesweeper);
}

.article-card:hover > .article-bar > .article-title {
    color: var(--c-brightred-mminesweeper);
}

.article-card:hover > .article-image {
    opacity: 0.8;
    transform: scale(1.03);
}

.article-image {
    width: 100%;
    max-height: 12em;
    object-fit:cover;
    object-position: center center;
    opacity: 1;
    transition: opacity 0.2s, transform 0.2s;
    display: block;
}

.article-bar {
    flex: 1;
    padding: 0.5em;
    background-color: var(--c-ocean);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.article-date {
    font-size: 0.75rem;
    color: white;
    margin-bottom: 0.25em;
}

.article-title {
    font-weight: bold;
    color: white;
    padding-bottom: 0.25em;
}

@media (max-width: 900px) {
  .card-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .card-container {
    grid-template-columns: 1fr;
  }
}