#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #02081b; /* Royal Blue */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#preloader .spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #FFD700; /* Gold */
    border-top: 5px solid #4169E1; /* Royal Blue */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

body.preloader-active {
    overflow: hidden;
}