.demo-container {
    text-align: center;
    padding: 40px;
    background: rgba(10, 10, 20, 0.7);
    border-radius: 10px;
}

.neon-text {
    position: relative;
    color: #fff;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    margin: 20px 0;
    padding: 10px 20px;
    display: inline-block;
}

.neon-text::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent),
                 0 0 20px var(--accent),
                 0 0 40px var(--accent),
                 0 0 80px var(--accent);
    filter: blur(1px);
    z-index: -1;
    opacity: 0.8;
}

.neon-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    z-index: -2;
    opacity: 0.1;
    filter: blur(30px);
}

.flicker {
    animation: flicker 3s infinite alternate;
}

.fast-flicker {
    animation: flicker 1s infinite alternate;
}

@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 0 0 10px var(--accent),
                     0 0 20px var(--accent),
                     0 0 40px var(--accent),
                     0 0 80px var(--accent);
    }
    20%, 24%, 55% {
        text-shadow: none;
        box-shadow: none;
    }
}