/* Fade In */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in.is-visible {
    opacity: 1;
}

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

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

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

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

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

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

/* Scale In */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s ease-out;
}

.scale-in.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* Rotate In */
.rotate-in {
    opacity: 0;
    transform: rotate(-15deg);
    transition: all 0.8s ease-out;
}

.rotate-in.is-visible {
    opacity: 1;
    transform: rotate(0);
}

/* Flip Cards */
.flip-card {
    perspective: 1000px;
    opacity: 1;
    transition: opacity 0.6s ease;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateY(90deg);
    transition: transform 0.8s ease;
}

.flip-card-front {
    position: relative;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

/* Animation class */
.flip-card.is-visible .flip-card-inner {
    transform: rotateY(0deg);
}

/* Staggered delays for each card when becoming visible */
.flip-card:nth-child(1) .flip-card-inner {
    transition-delay: 0s;
}

.flip-card:nth-child(2) .flip-card-inner {
    transition-delay: 0.2s;
}

.flip-card:nth-child(3) .flip-card-inner {
    transition-delay: 0.4s;
}

/* Reset delays when leaving viewport */
.flip-card:not(.is-visible) .flip-card-inner {
    transform: rotateY(90deg);
    transition-delay: 0s;
}

/* Card Slide In Animation - Desktop Only */
@media (min-width: 768px) {
    .card-slide {
        opacity: 0;
        transform: translateX(-50px);
        transition: all 0.8s ease-out;
    }

    .card-slide.is-visible {
        opacity: 1;
        transform: translateX(0);
    }

    /* Staggered delays for each card */
    .card-slide:nth-child(1) {
        transition-delay: 0s;
    }

    .card-slide:nth-child(2) {
        transition-delay: 0.2s;
    }

    .card-slide:nth-child(3) {
        transition-delay: 0.4s;
    }

    /* Reset state when not visible */
    .card-slide:not(.is-visible) {
        transform: translateX(-50px);
        opacity: 0;
        transition-delay: 0s;
    }
}