.section {
    opacity: 0;
    transform: translateY(20px); /* Start position (slightly lower) */
    transition: opacity 0.6s ease, transform 0.6s ease;
    visibility: hidden; /* Hidden until animated */
}

.section.visible {
    opacity: 1;
    transform: translateY(0); /* Final position */
    visibility: visible;
}
.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
}

.slide-in-left {
    transform: translateX(-20px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.slide-in-left.visible {
    transform: translateX(0);
    opacity: 1;
}

.slide-in-right {
    transform: translateX(20px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.slide-in-right.visible {
    transform: translateX(0);
    opacity: 1;
}