/* Footer Styles */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
    display: block;
    position: relative;
}

.footer-logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
    transition: filter 0.3s ease;
}

.footer-logo:hover .footer-logo-img {
    filter: brightness(1.3) drop-shadow(0 0 10px rgba(0, 229, 255, 0.3));
}

.footer-links h4 {
    margin-bottom: 20px;
}

.footer-link {
    display: block;
    color: #D1D5DB;
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #00E5FF;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #D1D5DB;
    font-size: 14px;
}

/* Responsive Footer */
@media (max-width: 768px) {
    footer {
        padding: 40px 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
        text-align: center;
    }
    
    /* Solo mostrar la sección about en mobile */
    .footer-about {
        order: 1;
    }
    
    /* Ocultar todas las secciones de links en mobile */
    .footer-links {
        display: none !important;
    }
    
    .footer-logo {
        height: 35px;
        margin-bottom: 15px;
    }
    
    .footer-bottom {
        padding-top: 20px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    footer {
        padding: 30px 0 15px;
    }
    
    .footer-grid {
        gap: 25px;
        margin-bottom: 25px;
    }
    
    /* Solo mostrar la sección about en mobile */
    .footer-about {
        order: 1;
    }
    
    /* Ocultar todas las secciones de links en mobile */
    .footer-links {
        display: none !important;
    }
    
    .footer-logo {
        height: 30px;
        margin-bottom: 12px;
    }
    
    .footer-bottom {
        padding-top: 15px;
        font-size: 12px;
    }
}