/* ============================================
   ANIMATIONS - Vision Global School
   Smooth, Premium Animations
   ============================================ */

/* ========== KEYFRAME ANIMATIONS ========== */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

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

/* Slide Left */
@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide Right */
@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Zoom In */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Zoom Out */
@keyframes zoomOut {
    from {
        opacity: 0;
        transform: scale(1.2);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Rotate In */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }

    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* Bounce */
@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

/* Pulse */
@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* Glow */
@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(212, 175, 55, 0.6);
    }
}

/* Float */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

/* Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ========== SCROLL REVEAL ANIMATIONS ========== */

/* Applied via JavaScript Intersection Observer */
.animate-fade-in {
    animation: fadeIn var(--animation-duration-normal) ease-out forwards;
}

.animate-slide-up {
    animation: slideUp var(--animation-duration-normal) ease-out forwards;
}

.animate-slide-down {
    animation: slideDown var(--animation-duration-normal) ease-out forwards;
}

.animate-slide-left {
    animation: slideLeft var(--animation-duration-normal) ease-out forwards;
}

.animate-slide-right {
    animation: slideRight var(--animation-duration-normal) ease-out forwards;
}

.animate-zoom-in {
    animation: zoomIn var(--animation-duration-normal) ease-out forwards;
}

.animate-zoom-out {
    animation: zoomOut var(--animation-duration-normal) ease-out forwards;
}

.animate-rotate-in {
    animation: rotateIn var(--animation-duration-slow) ease-out forwards;
}

/* Stagger delays for multiple elements */
.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

.animate-delay-5 {
    animation-delay: 0.5s;
}

.animate-delay-6 {
    animation-delay: 0.6s;
}

/* ========== HOVER ANIMATIONS ========== */

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.hover-scale {
    transition: transform var(--transition-base);
}

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

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--glow-gold);
}

.hover-rotate {
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ========== CONTINUOUS ANIMATIONS ========== */

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ========== SLIDER / CAROUSEL ANIMATIONS ========== */

.slider-fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

.slider-slide-left {
    animation: slideLeft 0.6s ease-out;
}

.slider-slide-right {
    animation: slideRight 0.6s ease-out;
}

/* ========== COUNTER ANIMATION ========== */

.counter {
    font-family: var(--font-heading);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: white;
    display: block;
    animation: countUp 0.6s ease-out;
}

/* ========== TIMELINE ANIMATION ========== */

.timeline-item {
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-slow);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item:nth-child(even) {
    transform: translateX(50px);
}

.timeline-item:nth-child(even).visible {
    transform: translateX(0);
}

/* ========== LOADING ANIMATIONS ========== */

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--color-secondary);
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== PARALLAX EFFECT ========== */

.parallax {
    transition: transform 0.1s ease-out;
    will-change: transform;
}

/* ========== IMAGE REVEAL ========== */

.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.8s ease-out;
}

.image-reveal.visible::before {
    left: 100%;
}

/* ========== TEXT REVEAL ========== */

.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.6s ease-out;
}

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

/* ========== PROGRESS BAR ANIMATION ========== */

.progress-bar {
    width: 0;
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--border-radius-full);
    transition: width 1.5s ease-out;
}

.progress-bar.animate {
    width: var(--progress-width, 100%);
}

/* ========== STAGGER CHILDREN ========== */

.stagger-children>* {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.stagger-children.visible>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-children.visible>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-children.visible>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-children.visible>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-children.visible>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-children.visible>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-children.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* ========== PERFORMANCE OPTIMIZATIONS ========== */

/* Use GPU acceleration for smooth animations */
.gpu-accelerate {
    transform: translateZ(0);
    will-change: transform;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}