/* Neural Background & Bubble Effects */
:root {
    --bg: #0a0a0a;
}

html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background-color: var(--bg);
}

#neural-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    background: transparent;
    opacity: 1;
    will-change: transform;
    transform: translateZ(0);
}

.bulge-area {
    position: fixed;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.15s ease-out;
    background: radial-gradient(
        circle at center, 
        rgba(185, 136, 255, 0.05) 0%, 
        rgba(185, 136, 255, 0.02) 40%, 
        transparent 70%
    );
    backdrop-filter: blur(1px);
    box-shadow: 0 0 40px rgba(185, 136, 255, 0.2);
    mix-blend-mode: screen;
    will-change: transform, opacity;
    transform: translate(-200px, -200px) scale(0.9);
}