/* Base Animation Class */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

/* Specific Animation Types */
/* .fade-in uses default base styles */

.slide-up {
    transform: translateY(40px);
}

.slide-left {
    transform: translateX(-40px);
}

.slide-right {
    transform: translateX(40px);
}

.scale-up {
    transform: scale(0.9);
}

/* Final Visible State */
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: none;
}

/* Stagger Delays */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

.delay-500 {
    transition-delay: 0.5s;
}

/* Disable animations if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}