/* ===== FOOTER STYLES - DIGISAPIENCE ===== */

.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: var(--space-12) 0 var(--space-4);
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-logo span {
    color: var(--primary);
}

.footer-about-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: var(--space-2);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    color: var(--text-inverse);
    transform: translateY(-3px);
    border-color: var(--primary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-4);
}

.footer-contact li {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
}

.footer-contact i {
    width: 20px;
    color: var(--primary);
    margin-top: 3px;
}

.footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Newsletter */
.footer-newsletter h4 {
    margin-bottom: var(--space-3);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary);
}

.newsletter-btn {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-inverse);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-4);
}

.footer-bottom-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-tooltip);
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(var(--primary-rgb), 0.3);
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}