/* Neural Network Background - Enhanced with THREE.js */

.neural-network-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

#neuralCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
}

/* Animated gradient overlay */
.neural-network-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 20% 50%,
        rgba(59, 130, 246, 0.15) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 80% 80%,
        rgba(6, 182, 212, 0.15) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 40% 20%,
        rgba(167, 139, 250, 0.12) 0%,
        transparent 50%
    );
    animation: neuralGradient 20s ease infinite;
}

@keyframes neuralGradient {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(5%, -5%) rotate(120deg);
    }
    66% {
        transform: translate(-5%, 5%) rotate(240deg);
    }
}

/* Mobile optimization */
@media (max-width: 768px) {
    #neuralCanvas {
        opacity: 0.35;
    }
    
    .neural-network-bg::before {
        animation-duration: 30s;
    }
}

@media (prefers-reduced-motion: reduce) {
    .neural-network-bg::before {
        animation: none;
    }
}