/* =========================================
   PIE DE PÁGINA (FOOTER)
   Archivo independiente para modularidad
   ========================================= */

.main-footer {
    background-color: var(--brand-blue); /* Fondo azul marino profundo para cerrar el sitio */
    color: #FFFFFF;
    padding-top: 70px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand img {
    height: 45px;
    margin-bottom: 15px;
}

.footer-brand p {
    color: #A0AEC0;
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 300px;
}

.main-footer h4 {
    font-size: 1.1rem;
    color: #FFFFFF;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

/* Línea roja decorativa debajo de los títulos del footer */
.main-footer h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--brand-red);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #A0AEC0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: #FFFFFF;
    padding-left: 5px;
}

.footer-hub p {
    color: #A0AEC0;
    font-size: 0.88rem;
    margin-bottom: 15px;
}

.btn-outline-white {
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
    padding: 8px 18px;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-block;
    border-radius: 4px;
    transition: var(--transition-base);
}

.btn-outline-white:hover {
    background-color: #FFFFFF;
    color: var(--brand-blue);
}

.footer-contact p {
    color: #A0AEC0;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-contact strong {
    color: #FFFFFF;
}

/* Barra inferior del copyright */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #A0AEC0;
}

.footer-bottom a {
    color: #A0AEC0;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-bottom a:hover {
    color: #FFFFFF;
}

/* Responsive para dispositivos móviles */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}