/**
 * Back to Top Button Styles
 * Fixed position button at bottom right of all pages
 */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #ffd700; /* Renault yellow */
    color: #000000;
    border: 2px solid #000000;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 0;
    font-size: 24px;
    line-height: 1;
    text-decoration: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
    background-color: #000000;
    color: #ffd700;
    border-color: #ffd700;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    outline: none;
}

.back-to-top:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.back-to-top-icon {
    display: block;
    font-weight: bold;
    line-height: 1;
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}

/* Ensure button doesn't interfere with other elements */
@media (max-width: 480px) {
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}