.ad-placeholder {
  min-height: 90px;
  font-size: 1.2rem;
  color: #555;
  background-color: #f8f9fa;
  border: 1px dashed #ccc;
  text-align: center;
  padding: 1rem;
}

.centered-caption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background-color: rgba(0, 0, 0, 0); /* Optional: adds contrast */
  padding: 1rem;
  border-radius: 8px;
  color: #fff;
}

.carousel-img {
  height: 500px; /* Adjust as needed */
  object-fit: cover;
}

.card-img-top {
  height: 250px;
  object-fit: cover;
  border-bottom: 1px solid #ddd;
}

.card {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.2s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.card-img-top {
  transition: transform 0.3s ease;
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('assets/animated-waves.svg') center/cover no-repeat;
  opacity: 0.2;
  animation: floatWaves 20s linear infinite;
  z-index: 0;
}

@keyframes floatWaves {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

header > div {
  position: relative;
  z-index: 1;
}