/* Bouton Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #002561 0%, #0044cc 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 37, 97, 0.3);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 37, 97, 0.4);
}

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

/* Mobile adjustments */
@media (max-width: 768px) {
    .scroll-top {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
    }
    
    .scroll-top i {
        font-size: 18px;
    }
}

/* JavaScript pour le scroll-to-top */