body {
    position: relative;
    background: url('/assets/img/background.jpg') no-repeat center center fixed;
    background-size: cover;
    background-color: #0f111a;
}

/* Dark overlay behind all content */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55); /* adjust darkness here */
    pointer-events: none;
    z-index: -1;
}