/* Scroll To Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(0, 174, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 174, 255, 0.5);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 1.2rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(0, 174, 255, 0.3);
    transform: translateY(20px);
}

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

.scroll-top-btn:hover {
    background: #00aeff;
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 174, 255, 0.5);
}