.card {
  position: relative;
  margin-bottom: 1.5em;
  border: 1px solid var(--outline-color);
  border-radius: 8px;
  background-color: transparent;
  overflow: hidden;
}

.card-lift {
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.card-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.card-gradient-border {
  position: relative;
}

.card-gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--highlight-color)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.card-gradient-border:hover::before {
  opacity: 1;
}

.card-content {
  padding: 1.5em;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1em;
}

.card-title {
  margin: 0;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--secondary-text-color);
}

.card-meta,
.card-dates {
  font-size: 0.9em;
  color: var(--text-color);
}

.card-excerpt {
  margin: 0.5em 0 0;
  color: var(--secondary-text-color);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .card {
    margin-bottom: 1em;
    border-radius: 4px;
  }

  .card-content {
    padding: 1em;
  }

  .card-title {
    font-size: 1em;
  }
}