/* Reset and prevent horizontal scrolling */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden; 
}

.fullscreen-bg {
    /* Standard height */
    height: 100vh; 
    /* Fix for mobile address bars */
    height: 100dvh; 
    
    width: 100%;
    
    /* Image settings */
    background-image: url('kopion2.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;

    /* Improves performance on mobile transitions */
    will-change: transform;
}

/* Optional: Adjustments for smaller screens (Portrait Mode) */
@media (max-width: 480px) {
    .fullscreen-bg {
        /* If your PNG has text or a specific focal point, 
           you can shift the focus for narrow screens */
        background-position: center center;
    }
}