/* Scroll-Triggered Animation Classes */

/* Base animation states - elements start hidden */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

.fade-in-delay-1 {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out 0.2s;
}

.fade-in-delay-2 {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out 0.4s;
}

.fade-in-delay-3 {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out 0.6s;
}

/* Slide in animations */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.slide-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

/* Scale animations */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease-out;
}

.scale-in-delay {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease-out 0.3s;
}

/* Staggered animations for grids */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }
.stagger-item:nth-child(7) { transition-delay: 0.7s; }
.stagger-item:nth-child(8) { transition-delay: 0.8s; }

/* Card animations */
.card-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

/* Text animations */
.text-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease-out;
}

/* Intersection Observer classes - triggered when in view */
.fade-in.animate,
.fade-in-delay-1.animate,
.fade-in-delay-2.animate,
.fade-in-delay-3.animate {
    opacity: 1;
    transform: translateY(0);
}

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

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

.slide-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.scale-in.animate,
.scale-in-delay.animate {
    opacity: 1;
    transform: scale(1);
}

.stagger-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.card-fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

.text-reveal.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Hover animations */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Button animations */
.btn-pulse {
    transition: all 0.3s ease;
}

.btn-pulse:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Card animations */
.card-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: cardFadeIn 0.8s ease-out forwards;
}

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

/* Image animations */
.img-zoom-in {
    transition: transform 0.5s ease;
}

.img-zoom-in:hover {
    transform: scale(1.05);
}

/* Text animations */
.text-reveal {
    opacity: 0;
    animation: textReveal 1s ease-out forwards;
}

@keyframes textReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-delay-1,
    .fade-in-delay-2,
    .fade-in-delay-3,
    .slide-in-left,
    .slide-in-right,
    .slide-in-up,
    .scale-in,
    .scale-in-delay,
    .stagger-item,
    .text-reveal,
    .card-fade-in {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    .fade-in.animate,
    .fade-in-delay-1.animate,
    .fade-in-delay-2.animate,
    .fade-in-delay-3.animate,
    .slide-in-left.animate,
    .slide-in-right.animate,
    .slide-in-up.animate,
    .scale-in.animate,
    .scale-in-delay.animate,
    .stagger-item.animate,
    .text-reveal.animate,
    .card-fade-in.animate {
        opacity: 1;
        transform: none;
    }
}