:root {
    --bg: #000000;
    --text: #ffffff;
    --max-width: 600px;
}

/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

#helix-canvas {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

main {
    text-align: center;
    max-width: var(--max-width);
    padding: 1rem;
    width: 100%;
    position: relative;
    z-index: 1;
}

img {
    display: block;
    margin: 0 auto;
    height: 120px;
    width: auto;
    max-width: 100%;
}

h1 {
    font-weight: 7000;
    font-size: 3rem;
    line-height: 1.2;
    margin: 1.5rem 0 0;
}

.subtitle {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 300;
    font-size: 1.25rem;
    line-height: 1.5;
    margin-top: 0.75rem;
    opacity: 0.9;
}

/* Mobile optimizations */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    main {
        padding: 1.5rem;
    }
    
    img {
        height: 100px;
    }

    .helix-bg {
        opacity: 0.4;
        left: 0;
        transform: translate(-30%, -50%);
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .helix-bg {
        display: none;
    }
}