.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
    will-change: opacity, transform;
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 80ms; }
.fade-up.delay-2 { transition-delay: 160ms; }
.fade-up.delay-3 { transition-delay: 240ms; }
.fade-up.delay-4 { transition-delay: 320ms; }

.nx-pattern-node {
    animation-name: nx-node-pulse;
    animation-duration: var(--d, 4s);
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-delay: var(--dl, 0s);
    transform-origin: center;
    transform-box: fill-box;
}

@keyframes nx-node-pulse {
    0%, 100% { opacity: 0.2; transform: scale(0.7); }
    50%      { opacity: 1;   transform: scale(1.15); }
}

.nx-pattern-node--subtle {
    animation-name: nx-node-pulse-subtle;
}

@keyframes nx-node-pulse-subtle {
    0%, 100% { opacity: 0.18; transform: scale(0.9); }
    50%      { opacity: 0.55; transform: scale(1.05); }
}


@media (prefers-reduced-motion: reduce) {
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .nx-pattern-node {
        animation: none;
    }

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