.scroll-up-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(13, 202, 240, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(13, 202, 240, 0.3);
    display: none;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(13, 202, 240, 0.2);
}

.scroll-up-btn.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.scroll-up-btn:hover {
    background: rgba(13, 202, 240, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(13, 202, 240, 0.3);
}

.scroll-up-btn i {
    color: var(--primary-color);
    font-size: 24px;
    transition: transform 0.3s ease;
}

.scroll-up-btn:hover i {
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}