.scroll-to-top {
    position: fixed;
    right: 30px;
    bottom: 60px;

    width: 55px;
    height: 55px;

    border: none;
    border-radius: 50%;

    background-color: #fff;
    color: #000;

    font-size: 24px;
    font-weight: 700;

    cursor: pointer;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);

    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);

    transition: all 0.3s ease;

    z-index: 9999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: #000;
    color: #fff;
    transform: translateY(-3px);
}