.heading-56 {
    background: #1f2937;
    -webkit-background-clip: text; 
    color: transparent;
    position: relative;
}

.heading-56::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.5),
        transparent
    );
    animation: holoShine 2s infinite;
}

@keyframes holoShine {
    to {
        transform: translateX(200%);
    }
}