/* Scroll Animation - FadeInUp effect */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Trạng thái ban đầu - ẩn */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
}

/* Khi element vào viewport */
.scroll-animate.animate-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Delay classes cho stagger effect */
.scroll-animate.delay-1 {
    animation-delay: 0.1s;
}

.scroll-animate.delay-2 {
    animation-delay: 0.2s;
}

.scroll-animate.delay-3 {
    animation-delay: 0.3s;
}

.scroll-animate.delay-4 {
    animation-delay: 0.4s;
}

.scroll-animate.delay-5 {
    animation-delay: 0.5s;
}

.scroll-animate.delay-6 {
    animation-delay: 0.6s;
}

/* Animation cho các child elements */
.scroll-animate-children>* {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-children.animate-in>*:nth-child(1) {
    transition-delay: 0.1s;
}

.scroll-animate-children.animate-in>*:nth-child(2) {
    transition-delay: 0.2s;
}

.scroll-animate-children.animate-in>*:nth-child(3) {
    transition-delay: 0.3s;
}

.scroll-animate-children.animate-in>*:nth-child(4) {
    transition-delay: 0.4s;
}

.scroll-animate-children.animate-in>*:nth-child(5) {
    transition-delay: 0.5s;
}

.scroll-animate-children.animate-in>*:nth-child(6) {
    transition-delay: 0.6s;
}

.scroll-animate-children.animate-in>* {
    opacity: 1;
    transform: translateY(0);
}

/* Disable animation nếu user prefer reduced motion */
@media (prefers-reduced-motion: reduce) {

    .scroll-animate,
    .scroll-animate-children>* {
        opacity: 1;
        transform: none;
        animation: none;
        transition: none;
    }
}