* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow: hidden;
    background: #000;
    font-family: system-ui, sans-serif;
    color: #fff;
}

#canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}

/* Vignette overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.55) 100%);
    z-index: 1;
}

/* Navigation */
#nav {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}

#nav button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#nav button:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: scale(1.1);
}

#nav button:active {
    transform: scale(0.95);
}

#dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transition: all 0.3s ease;
    cursor: pointer;
}

.dot.active {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}