/**
 * Optimized animations for Eli's Be Mitzvah Website
 * This file contains optimized animations that use transform and opacity
 * in a way that minimizes repaints and composite operations
 */

/* Use hardware acceleration for animations */
.animated {
    /* Hardware acceleration techniques */
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Apply optimized animations */
.fade-in {
    /* Use CSS transitions instead of keyframe animations for better performance */
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    opacity: 0;
    transform: translateY(-10px);
}

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

/* Spinner animation using CSS transitions */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    transition: transform 0.1s linear;
}

/* Slide in animation using transitions */
.slide-in {
    transition: transform 0.3s ease-out;
    transform: translateX(100%);
}

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

/* Slide down animation using transitions */
.slide-down {
    transition: transform 0.3s ease-out;
    transform: translateY(-50px);
}

.slide-down.visible {
    transform: translateY(0);
}

/* Pulse effect using transitions */
.pulse {
    transition: transform 0.5s ease-in-out;
    transform: translate(0, 0);
}

.pulse:hover {
    transform: translate(-2px, 2px);
}

/* Apply will-change only when element is animating */
.will-animate {
    will-change: transform, opacity;
}