.cart-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(
    135deg,
    #3d7b6b,
    #5ea99f
  ); /* subtle gradient in logo palette */
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
}

.cart-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
  background: linear-gradient(
    135deg,
    #5ea99f,
    #3d7b6b
  ); /* subtle hover effect */
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: #ffffff;
  color: #3d7b6b;
  border-radius: 50%;
  padding: 4px 7px;
  font-size: 0.75rem;
  font-weight: bold;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}