/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: #f5b800;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(245, 184, 0, 0.4);
    z-index: 999;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    color: #1a1f4e;
}

.back-to-top:hover {
    background: #e6ac00;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 184, 0, 0.5);
}

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

@media (max-width: 768px) {
    .back-to-top {
        bottom: 90px;
        right: 16px;
        width: 44px;
        height: 44px;
    }
    .back-to-top svg {
        width: 22px;
        height: 22px;
    }
}