/* ── FONDO HOLOGRÁFICO ────────────────────────────────────────── */
#hologram-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.hologram-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(46, 204, 113, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(46, 204, 113, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 107, 0, 0.02) 0%, transparent 50%);
    animation: overlayShift 15s ease-in-out infinite alternate;
}

@keyframes overlayShift {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}