/* =========================================================================
   FOOTER COMPONENT - QTR
   Archivo: assets/css/components/footer.css
   Descripción: Estilos del pie de página
========================================================================= */

/* ===== FOOTER BASE ===== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

/* ===== FOOTER SECTIONS ===== */
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section h3 {
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
    line-height: 1.3;
}

.footer-section p {
    margin-bottom: var(--spacing-3);
    line-height: 1.6;
    color: var(--color-gray-400);
}

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

.footer-section li {
    margin-bottom: var(--spacing-2);
    line-height: 1.6;
}

.footer-section a {
    color: var(--color-gray-300);
    transition: var(--transition-base);
    text-decoration: none;
    display: inline-block;
    position: relative;
}

.footer-section a:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

/* Efecto underline en hover */
.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.footer-section a:hover::after {
    width: 100%;
}

/* ===== FOOTER BOTTOM ===== */
.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-6);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.5;
}

/* ===== FOOTER SOCIAL (Opcional) ===== */
.footer-social {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--color-gray-800);
    border: 1px solid var(--color-gray-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    font-size: 1.2rem;
    transition: var(--transition-base);
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Colores específicos para redes sociales */
.footer-social a.linkedin:hover {
    background: #0077b5;
    border-color: #0077b5;
}

.footer-social a.twitter:hover {
    background: #1da1f2;
    border-color: #1da1f2;
}

.footer-social a.instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: #bc1888;
}

.footer-social a.youtube:hover {
    background: #ff0000;
    border-color: #ff0000;
}

.footer-social a.github:hover {
    background: #333;
    border-color: #333;
}

/* ===== FOOTER COMPANY INFO ===== */
.footer-company {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer-logo {
    height: 36px;
    width: auto;
}

.footer-brand {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
}

/* ===== FOOTER NEWSLETTER (Opcional) ===== */
.footer-newsletter {
    background: var(--color-gray-800);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-700);
    margin-bottom: var(--spacing-6);
}

.footer-newsletter h4 {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.footer-newsletter p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.newsletter-form-inline {
    display: flex;
    gap: var(--spacing-2);
}

.newsletter-form-inline input {
    flex: 1;
    padding: var(--spacing-3);
    border: 1px solid var(--color-gray-600);
    border-radius: var(--radius-base);
    background: var(--color-gray-800);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.newsletter-form-inline input::placeholder {
    color: var(--color-gray-500);
}

.newsletter-form-inline input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.1);
}

.newsletter-form-inline button {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-base);
    font-weight: 500;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.newsletter-form-inline button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    background: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    animation: none;
}

@keyframes pulse-whatsapp {
    0% { 
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); 
    }
    70% { 
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); 
    }
    100% { 
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); 
    }
}

/* Tooltip para WhatsApp */
.whatsapp-float::before {
    content: 'Consulta Gratuita';
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
}

.whatsapp-float:hover::before {
    opacity: 1;
}

/* Flecha del tooltip */
.whatsapp-float::after {
    content: '';
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid var(--color-gray-900);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
}

.whatsapp-float:hover::after {
    opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
    
    .newsletter-form-inline {
        flex-direction: column;
    }
    
    .newsletter-form-inline button {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-10) 0 var(--spacing-4);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        text-align: center;
    }
    
    .footer-company {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.3rem;
    }
    
    .whatsapp-float::before {
        display: none; /* Ocultar tooltip en móvil */
    }
    
    .whatsapp-float::after {
        display: none; /* Ocultar flecha en móvil */
    }
}

@media (max-width: 480px) {
    .footer {
        padding: var(--spacing-8) 0 var(--spacing-4);
    }
    
    .footer-content {
        gap: var(--spacing-4);
    }
    
    .footer-section h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-3);
    }
    
    .footer-social {
        gap: var(--spacing-3);
    }
    
    .footer-social a {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .whatsapp-float {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

/* ===== ESTADOS ESPECIALES ===== */
.footer.minimal {
    padding: var(--spacing-8) 0;
}

.footer.minimal .footer-content {
    display: block;
    text-align: center;
}

.footer.minimal .footer-bottom {
    border-top: none;
    padding-top: 0;
    margin-top: var(--spacing-4);
}