/* =====================================================
   FOOTER COMPONENT
   Professional footer with multiple columns and links
   ===================================================== */

.site-footer {
    background: var(--bg-secondary);
    padding: var(--space-20) 0 var(--space-8);
    border-top: 1px solid rgba(155, 97, 164, 0.1);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-brand-secondary) 20%,
        var(--color-brand-primary) 50%,
        var(--color-brand-secondary) 80%,
        transparent
    );
}

/* Footer Grid */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

/* Footer Column */
.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-column h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-brand-secondary);
    font-family: var(--font-heading);
}

/* Footer Logo */
.footer-logo {
    margin-bottom: var(--space-4);
}

.footer-logo img {
    max-width: 140px;
    height: auto;
    filter: brightness(1.1);
    transition: filter var(--transition-normal);
}

.footer-logo img:hover {
    filter: brightness(1.3);
}

/* Footer Description */
.footer-description {
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--color-neutral-light);
    max-width: 300px;
    margin-bottom: var(--space-4);
}

/* Social Links */
.footer-social {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: #04C7AA;
    background: rgba(4, 199, 170, 0.08);
    border: 2px solid rgba(4, 199, 170, 0.4);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.social-link * {
    position: relative;
    z-index: 10;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 199, 170, 0.15);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    background: rgba(4, 199, 170, 0.15);
    border-color: #26e0c0;
    color: #26e0c0 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(4, 199, 170, 0.3);
}

/* Forzar color en hover */
.social-link:hover,
.social-link:hover *,
.social-link:hover span {
    color: #26e0c0 !important;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    display: inline-block;
    font-size: var(--text-sm);
    color: var(--color-neutral-light);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: var(--space-5);
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    color: var(--color-brand-secondary);
}

.footer-links a:hover {
    color: var(--color-brand-secondary);
    padding-left: var(--space-6);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Footer Contact */
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-contact li {
    font-size: var(--text-sm);
    color: var(--color-neutral-light);
    line-height: 1.6;
}

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

.footer-contact a:hover {
    color: var(--color-brand-primary);
    text-decoration: underline;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(155, 97, 164, 0.1);
    color: var(--color-neutral-medium);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--text-sm);
}

.footer-credits {
    font-size: var(--text-xs);
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 640px) {
    .site-footer {
        padding: var(--space-12) 0 var(--space-6);
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: flex-start;
    }
}

/* Print Styles */
@media print {
    .site-footer {
        border-top: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .footer-social {
        display: none;
    }
}