.glow-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.8s ease-in-out;
}
.glow-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.is-visible.neon-border-blue { box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12); border-color: rgba(37, 99, 235, 0.35); }
.is-visible.neon-border-cyan { box-shadow: 0 8px 24px rgba(8, 145, 178, 0.12); border-color: rgba(8, 145, 178, 0.35); }
.is-visible.neon-border-emerald { box-shadow: 0 8px 24px rgba(5, 150, 105, 0.12); border-color: rgba(5, 150, 105, 0.35); }