/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: #ff6b6b; /* Bootstrap danger */
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.back-to-top:hover {
    background-color: #b02a37;
    transform: translateY(-4px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}