.parallax-section {
    position: relative;
    height: 0px !important;
   
    background: #222;
     display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: #fff;
  }
.parallax-img {
    position: absolute;
    border-radius: 16px; /* bo góc d?p hon */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5); /* bóng sâu hon */
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

/* hi?u ?ng hover nhu bay lên, n?i b?t */
.parallax-img:hover {
    transform: translateY(-15px) scale(1.05) rotate(0deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
    
}

/* responsive */
@media (max-width: 768px) {
    .parallax-img {
        width: 150px !important;
        height: auto !important;
    }
}