#matrix,
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
}

.bat {
    position: absolute;
    color: #333;
    font-size: 20px;
    z-index: -1;
    opacity: 0.7;
    animation: flyingBat linear infinite;
}

@keyframes flyingBat {
    0% {
        transform: translateX(-100px) translateY(0) rotate(0deg);
    }
    100% {
        transform: translateX(calc(100vw + 100px)) translateY(-50px) rotate(360deg);
    }
}

.cyber-effect {
    position: fixed;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 10px 2px var(--primary-color);
    animation: float 3s infinite ease-in-out;
    z-index: -1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.3;
    }
}

.code-effect {
    position: absolute;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}