.ad-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  padding: 1rem;
  z-index: 2;
  display: none;
  animation: fadeInUp 1s ease;
}

.ad-overlay img {
  max-height: 80px;
  margin-bottom: 0.5rem;
}

.ad-overlay p {
  color: #fff;
  font-size: 14px;
}

@keyframes fadeInUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}