/* ===== MAIN FOOTER ===== */
.main-footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-12) 0 var(--spacing-8);
    margin-top: auto;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Footer Top */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-8);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-8);
}


/* Social */
.footer-social {
    text-align: right;
}

.social-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    margin-bottom: var(--spacing-4);
    color: var(--color-text);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
    justify-content: flex-end;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: var(--color-primary);
}

/* Footer Middle */
.footer-middle {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
    padding-bottom: var(--spacing-8);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-8);
}

.footer-column-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-4);
    color: var(--color-text);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}


/* Back to top */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 48px;
    height: 48px;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.back-to-top:hover {
    background-color: var(--color-primary);
}

/* ===== RESPONSIVE FOOTER ===== */
@media (max-width: 768px) {
    .footer-top {
        flex-direction: column;
        gap: var(--spacing-6);
        text-align: center;
    }
    
    .footer-newsletter,
    .footer-social {
        width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-middle {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .back-to-top {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .footer-middle {
        grid-template-columns: 1fr;
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.footer-bottom {
    border-top: 1px solid #2d2d3f;
    padding-top: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 480px) {
    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}