/* --- FOOTER PROFESIONAL ARAG SPA --- */
footer {
    /* Un gris oscuro elegante (#334155 es un tono slate/pizarra muy moderno) */
    background: #2d3436; 
    color: white;
    padding: 80px 20px 40px;
    border-top: 4px solid var(--primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr; /* Móvil por defecto */
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 50px;
}

/* 1. Logo, Descripción y Redes Sociales */
.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo { 
    height: 100px; 
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1); 
    transition: var(--transition);
    margin-bottom: 20px;
}

.footer-logo:hover { transform: scale(1.05); }

.footer-description {
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 25px;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-socials a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(29, 132, 207, 0.3);
    border-color: var(--primary);
}

/* 2. Columna de Contacto y Navegación (Títulos) */
.footer-contact-info h4, 
.footer-nav h4 {
    color: var(--white);
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-contact-info h4::after, 
.footer-nav h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent);
}

/* Lista de Contacto */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    color: #cbd5e1;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.footer-contact-list i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

/* 3. Navegación y Links */
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list li a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer-links-list li a i {
    font-size: 0.7rem;
    color: var(--primary);
}

.footer-links-list li a:hover {
    color: var(--white);
    transform: translateX(5px);
}

/* 4. Línea inferior de Copyright */
.footer-bottom {
    width: 100%;
    padding-top: 25px;
    /* Línea divisoria un poco más clara para que resalte sobre el gris */
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
    color: #cbd5e1;
    text-align: center;
}

/* --- RESPONSIVE --- */

@media (min-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        text-align: left;
    }

    .footer-brand, 
    .footer-contact-info, 
    .footer-nav {
        align-items: flex-start;
        text-align: left;
    }

    .footer-contact-info h4::after, 
    .footer-nav h4::after {
        left: 0;
        transform: none;
    }

    .footer-contact-list li,
    .footer-links-list li a {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    footer { padding: 60px 20px 30px; }
    .footer-content { gap: 40px; }
}