/* BACK TO TOP BUTTON */
.back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 999;

    width: 48px;
    height: 48px;

    background: #b4070b;
    color: #ffffff;

    border: none;
    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 18px;
    cursor: pointer;

    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);

    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    transition: 0.25s ease;
}

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

.back-to-top:hover {
    background: #0c1c44;
    transform: translateY(-3px);
}

/* MOBILE */
@media (max-width: 650px) {
    .back-to-top {
        right: 18px;
        bottom: 18px;

        width: 44px;
        height: 44px;

        font-size: 16px;
    }
}