/* ===== Back to Top Button ===== */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #0272BC;
    color: #fff;
    border: none;
    outline: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: none;
    /* hidden by default */
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

#backToTop:hover {
    background-color: #025c97;
    transform: translateY(-3px);
}