/* Common CSS Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -30px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }
    50% {
        opacity: 1;
    }
}

@keyframes zoomOut {
    from {
        opacity: 1;
    }
    50% {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }
    to {
        opacity: 0;
    }
}

/* Animation classes */
.animate-fadeIn {
    animation: fadeIn 1s ease-in-out;
}

.animate-fadeInUp {
    animation: fadeInUp 1s ease-in-out;
}

.animate-fadeInDown {
    animation: fadeInDown 1s ease-in-out;
}

.animate-slideInLeft {
    animation: slideInLeft 1s ease-in-out;
}

.animate-slideInRight {
    animation: slideInRight 1s ease-in-out;
}

.animate-bounce {
    animation: bounce 1s;
}

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

.animate-shake {
    animation: shake 0.5s;
}

.animate-zoomIn {
    animation: zoomIn 0.5s ease-in-out;
}

.animate-zoomOut {
    animation: zoomOut 0.5s ease-in-out;
}

/* Hover animations */
.hover-scale:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
    transition: transform 0.3s ease;
}

.hover-shadow:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    transition: box-shadow 0.3s ease;
}

/* Scroll animations */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading animations */
.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions */
.smooth-transition {
    transition: all 0.3s ease;
}

/* Text animations */
.text-slide-up {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}