.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    pointer-events: none;
    z-index: -2;
    transition: opacity 0.8s ease-in-out;
}
.bg-image.show {
    opacity: 1;
    z-index: -1;
}

.bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    z-index: -2;
    transition: opacity 0.8s ease-in-out;
}
.bg-video.show {
    opacity: 1;
    z-index: -1;
}
.bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.video-section {
    padding: 0;
    position: relative;
    background-color: rgba(0, 0, 0, 0.4);
}