/**
 * ============================================================================
 * FRONT-END FOOTER CSS - ECOMMERCE MEX
 * ============================================================================
 * Estilos del footer, WhatsApp flotante y barra de contacto
 * ============================================================================
 */

/* =========================================================================
   FOOTER PRINCIPAL
   ========================================================================= */
.main-footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding-top: var(--spacing-12);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: var(--spacing-8);
    padding-bottom: var(--spacing-8);
}

/* Logo y Descripción */
.footer-brand {
    padding-right: var(--spacing-6);
}

.footer-logo {
    margin-bottom: var(--spacing-4);
}

.footer-logo img {
    height: 50px;
    width: auto;
    /* Sin filtro de inversión: mostrar la imagen original del logo */
    object-fit: contain;
}

.footer-description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

/* Social Links */
.footer-social {
    display: flex;
    gap: var(--spacing-2);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

/* Columnas del Footer */
.footer-column h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    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);
}

/* Contacto */
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.footer-contact-item a {
    color: inherit;
    transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
    color: var(--color-white);
}

/* Newsletter */
.footer-newsletter {
    margin-top: var(--spacing-4);
}

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

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

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--color-accent-hover);
}

/* Métodos de Pago (en columna Legal) */
.payment-methods {
    margin-top: var(--spacing-4);
}

.payment-label {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-2);
}

.payment-icons-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.payment-img {
    height: 24px;
    width: auto;
    background: var(--color-white);
    border-radius: 4px;
    padding: 3px 6px;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter var(--transition-fast), transform var(--transition-fast);
}

.payment-img:hover {
    filter: grayscale(0%);
    transform: translateY(-1px);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-4) 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-4);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* =========================================================================
   FRANJA DE MÉTODOS DE PAGO Y ENVÍO
   ========================================================================= */
.payment-shipping-strip {
    background: var(--color-primary-dark, #1e3a5f);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 14px 0;
}

.strip-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.strip-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.strip-group-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    min-width: 70px;
}

.strip-group-label svg {
    color: rgba(255, 255, 255, 0.65);
    flex-shrink: 0;
}

.strip-logos {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.strip-logos img {
    height: 28px;
    width: auto;
    object-fit: contain;
    filter: grayscale(30%);
    transition: filter var(--transition-fast), transform var(--transition-fast);
    border-radius: 4px;
}

.strip-logos img:hover {
    filter: grayscale(0%);
    transform: translateY(-2px);
}

.strip-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.strip-sep {
    width: 1px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

/* =========================================================================
   BARRA DE CONTACTO FIJA
   ========================================================================= */
.contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    padding: var(--spacing-2) 0;
    z-index: var(--z-fixed);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    display: none;
}

.contact-bar.visible {
    transform: translateY(0);
}

.contact-bar .container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
}

.contact-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.contact-bar-item svg {
    color: var(--color-accent);
}

/* =========================================================================
   BOTÓN WHATSAPP FLOTANTE
   ========================================================================= */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    z-index: var(--z-fixed);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-fast);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

@keyframes whatsappPulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* WhatsApp Tooltip */
.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--color-white);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* =========================================================================
   BOTONES GENERALES
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-light {
    background: var(--color-white);
    color: var(--color-gray-800);
    box-shadow: var(--shadow-sm);
}

.btn-light:hover {
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 991px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        padding-right: 0;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .main-footer {
        padding-top: var(--spacing-8);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .strip-inner {
        justify-content: center;
        gap: 16px;
    }

    .strip-sep {
        display: none;
    }

    .strip-group {
        justify-content: center;
    }

    .contact-bar {
        display: block;
    }

    .whatsapp-float {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 52px;
        height: 52px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-column {
        text-align: center;
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    .footer-contact-item {
        justify-content: center;
    }
}