/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
    color: var(--text);
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--muted);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-section h4 {
    color: var(--text);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
    color: var(--muted);
    transition: var(--transition-fast);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--muted);
}

.contact-item i {
    color: var(--primary);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-md);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: var(--muted);
    font-size: 0.875rem;
}

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

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 1000;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-normal);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
    background: #20BA5A;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn:active {
    transform: scale(0.95);
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Responsive WhatsApp Button */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        left: 20px;
    }
    
    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}