.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.17, 0.55, 0.55, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

#main-header.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.95);
}

.galeria-img {
    width: 100%;
    height: 300px;
    object-cover: cover;
    border-radius: 20px;
    transition: all 0.5s ease;
    filter: saturate(0.8);
    cursor: pointer;
}

.galeria-img:hover {
    transform: scale(1.05) rotate(2deg);
    filter: saturate(1.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    z-index: 10;
}

header.hidden-nav {
    transform: translateY(-100%);
}