body, html {
    margin: 0;
    padding: 0;
    background: #000;
    color: #fff;
    /* Przywrócony nowoczesny font systemowy */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    height: 100dvh;
    width: 100%;
    overflow: hidden;
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}

main {
    position: relative;
    z-index: 1;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 24px;
    box-sizing: border-box;
}

.logo {
    font-weight: 900;
    font-size: clamp(0.9rem, 4vw, 1.2rem);
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.logo span { color: #00ff88; }

h1 {
    font-size: clamp(1.8rem, 10vw, 4.5rem);
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
    letter-spacing: -1px;
}

p {
    color: #888;
    margin-top: 1.5rem;
    font-size: clamp(0.85rem, 4vw, 1.1rem);
    max-width: 500px;
}

footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 0.65rem;
    color: #333;
}