@keyframes networkGlow {
    0%, 100% {
        stroke-opacity: 0.08;
    }

    50% {
        stroke-opacity: 0.4
    }
}

.network-line {
    animation: networkGlow 5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    .book-float,
    .cosmic-particle,
    .network-line {
        animation: none;
    }
}