/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #000;
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top-btn:hover {
    opacity: 1;
}

.scroll-top-btn i {
    font-size: 20px;
}

.scroll-top-btn.show {
    opacity: 0.8;
    visibility: visible;
    transform: translateY(0);
}