/* Fade-in animations for page transitions and scroll-reveal effects */

/* Base fade-in animation for page content */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

/* Fade-in-up animation for content that appears when scrolled into view */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered fade-in for lists of items */
.fade-in-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.fade-in-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.fade-in-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.fade-in-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.fade-in-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.fade-in-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.fade-in-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.fade-in-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }
.fade-in-stagger.is-visible > * { 
    opacity: 1;
    transform: translateY(0);
}

/* Keyframe animation for simple fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fallback for non-JS browsers */
.no-js .fade-in-up,
.no-js .fade-in-stagger > * {
    opacity: 1;
    transform: translateY(0);
}