#after-before-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 450px;
    margin: 0 auto;
}

.img-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.img-wrapper:first-of-type {
    z-index: 1;
}

.img-wrapper:nth-of-type(2) {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

#line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: #0d9488;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

#line::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: #0d9488;
    border: 3px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

#slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 20;
    margin: 0;
}

@media (max-width: 768px) {
    #after-before-container {
        height: 350px;
    }
    
    #line::after {
        width: 35px;
        height: 35px;
    }
}