.donation-card {
  transition: all 0.3s ease-in-out;
}
.donation-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.15);
}
.amount-btn {
  border: 1px solid #f74f22;
  color: #f74f22;
  background: #fff;
  border-radius: 20px;
  transition: 0.3s;
}
.amount-btn:hover {
  background: #f74f22;
  color: #fff;
}
.donate-btn {
  background: #f74f22;
  color: #fff;
  border-radius: 25px;
  font-weight: bold;
  transition: 0.3s;
}
.donate-btn:hover {
  background: #d63e14;
}
.overlay {
  position: absolute;
  top:0; left:0; right:0; bottom:0;
  background: rgba(0,0,0,0.3);
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}
.overlay-title {
  position: absolute;
  bottom: 10px;
  left: 15px;
  color: #fff;
  font-weight: bold;
  font-size: 1.2rem;
}