/* === Additional Advanced Animations === */

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(52, 152, 219, 0.8);
    }
}

/* Utility animation classes */
.animate-shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
}

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

.animate-spin {
    animation: rotate 2s linear infinite;
}

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

/* Stagger delays for list items */
.stagger-item:nth-child(1) { animation-delay: 0s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.2s; }
.stagger-item:nth-child(4) { animation-delay: 0.3s; }
.stagger-item:nth-child(5) { animation-delay: 0.4s; }

/* Smooth transitions for all interactive elements */
button, a, input, textarea {
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Enhanced hover effects */
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hover-scale:hover {
    transform: scale(1.1);
}

.hover-rotate:hover {
    transform: rotate(2deg);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(52, 152, 219, 0.3);
    border-radius: 50%;
    border-top-color: #3498db;
    animation: rotate 1s ease-in-out infinite;
}