/**
 * ==================== FADE-IN ANIMATIONS ====================
 * Smooth fade-in effects for sections on scroll
 */

/* Fade-in class (initially hidden) */
.fade-in {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* When visible */
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for multiple elements */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* Alternative slide-in from left */
.slide-in-left {
    opacity: 0;
    transform: translateX(-2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Alternative slide-in from right */
.slide-in-right {
    opacity: 0;
    transform: translateX(2rem);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .slide-in-left,
    .slide-in-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
}