/* ============================================
   FOOTER.CSS - Estilos específicos del footer
   ============================================ */

/* 1. FOOTER PRINCIPAL */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

/* 2. GRID DEL FOOTER */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

/* 3. COLUMNAS DEL FOOTER */
.footer-col h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
    color: var(--color-white);
    position: relative;
    padding-bottom: var(--spacing-2);
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--color-secondary);
}

/* 4. LOGO Y DESCRIPCIÓN */
.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-4);
}

.footer-col p {
    margin-bottom: var(--spacing-6);
    opacity: 0.9;
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

/* 5. CONTACTO */
.footer-contact p {
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.footer-contact i {
    color: var(--color-secondary);
    width: 20px;
    text-align: center;
    font-size: var(--font-size-lg);
}

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

.footer-contact a:hover {
    color: var(--color-secondary);
    padding-left: var(--spacing-2);
}

/* 6. ENLACES RÁPIDOS */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: var(--spacing-2);
}

.footer-links a i {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast);
}

.footer-links a:hover i {
    transform: translateX(3px);
}

/* 7. HORARIO DE ATENCIÓN */
.horario {
    list-style: none;
    padding: 0;
}

.horario li {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-2);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
}

.horario li span {
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
}

/* 8. REDES SOCIALES CON ICONOS DE IMAGEN - MÁS GRANDES */
.footer-social {
    display: flex;
    gap: var(--spacing-5);
    margin-top: var(--spacing-6);
    justify-content: center;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
    padding: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.footer-social img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0.95);
    transition: transform var(--transition-normal), filter var(--transition-normal);
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 16px rgba(30, 139, 195, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.footer-social a:hover img {
    transform: scale(1.15);
    filter: brightness(1.2);
}

/* Efecto de brillo al pasar el mouse */
.footer-social a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.footer-social a:hover::after {
    opacity: 1;
}

/* 9. FOOTER BOTTOM (COPYRIGHT Y LEGAL) */
.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    opacity: 0.8;
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

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

.footer-bottom a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.current-year {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

/* 10. BOTÓN VOLVER ARRIBA */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* 11. NEWSLETTER (OPCIONAL) */
.footer-newsletter {
    margin-top: var(--spacing-6);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.newsletter-input {
    padding: var(--spacing-3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-secondary);
}

/* 12. RESPONSIVE PARA ICONOS */
@media (max-width: 1024px) {
    .footer-social {
        gap: var(--spacing-4);
    }
    
    .footer-social a {
        width: 50px;
        height: 50px;
        padding: 8px;
    }
}

@media (max-width: 768px) {
    .footer-social {
        gap: var(--spacing-3);
        margin-top: var(--spacing-4);
    }
    
    .footer-social a {
        width: 45px;
        height: 45px;
        padding: 7px;
    }
}

@media (max-width: 480px) {
    .footer-social {
        gap: var(--spacing-2);
    }
    
    .footer-social a {
        width: 40px;
        height: 40px;
        padding: 6px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}