/* ========================================
   FOOTER MODERNO - CORPORATIVO & RESPONSIVE
   ======================================== */

.footer-modern {
    --_footer-bg-base: var(--footer-bg, #08222b);
    --_footer-gradient: var(--footer-bg-gradient, linear-gradient(135deg,
        color-mix(in srgb, var(--color-brand-primary, #053911) 75%, #000000 25%),
        color-mix(in srgb, var(--color-brand-secondary, #002766) 70%, #000000 30%)
    ));
    --_footer-text-main: var(--footer-text-primary, var(--color-text-invert, #ffffff));
    --_footer-text-secondary: var(--footer-text-secondary, color-mix(in srgb, var(--_footer-text-main) 70%, rgba(255,255,255,0.7) 30%));
    --_footer-text-muted: var(--footer-text-muted, color-mix(in srgb, var(--_footer-text-main) 40%, rgba(255,255,255,0.6) 60%));
    --_footer-border: var(--footer-border, color-mix(in srgb, var(--_footer-text-main) 15%, transparent));
    --_footer-accent: var(--footer-accent, var(--color-brand-secondary, #00c2cb));
    --_footer-accent-hover: var(--footer-accent-hover, color-mix(in srgb, var(--_footer-accent) 70%, var(--color-text-invert, #ffffff) 30%));
    --_footer-surface: color-mix(in srgb, var(--_footer-bg-base) 85%, #000000 15%);
    color: var(--_footer-text-main);
    background: var(--_footer-gradient);
    position: relative;
    overflow: hidden;
}

html[data-theme="dark"] .footer-modern {
    --footer-bg: var(--color-bg-section, #08222b);
    --footer-text-secondary: var(--color-text-secondary, #b8c3cc);
    --footer-text-muted: var(--color-text-muted, #d1d1d1);
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
    opacity: 0.4;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 0;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* Footer Brand Section */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

.footer-logo-image {
    height: 64px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
    /* Fallback para logo blanco si no existe, usar filtro */
    filter: var(--footer-logo-filter, brightness(0) invert(1));
    transition: all 0.3s ease;
}

.footer-logo-image:hover {
    filter: brightness(0) invert(1) brightness(1.1);
    transform: translateY(-1px);
}

.footer-slogan {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--_footer-text-main);
    margin: 10px 0 4px;
}

@media (max-width: 768px) {
    .footer-logo-image {
        height: 54px;
        max-width: 210px;
    }

    .footer-slogan {
        font-size: 13px;
        letter-spacing: 0.06em;
    }
}

.footer-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--_footer-text-secondary);
    margin: 0;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: color-mix(in srgb, var(--_footer-text-main) 12%, transparent);
    border-radius: 50%;
    color: var(--_footer-text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid var(--_footer-border);
}

.social-link:hover {
    background: var(--_footer-accent);
    color: var(--color-text-invert, #ffffff);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg, 0 8px 20px rgba(0, 0, 0, 0.2));
    border-color: var(--_footer-accent);
}

.social-link i {
    font-size: 16px;
}

/* Footer Sections */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--_footer-text-main);
    margin: 0 0 4px 0;
    letter-spacing: -0.3px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.footer-link {
    color: var(--_footer-text-secondary);
    text-decoration: none;
    font-size: 15px;
    line-height: 1.4;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0;
    display: block;
}

.footer-link:hover {
    color: var(--_footer-accent);
    padding-left: 8px;
}

/* Newsletter Section */
.footer-newsletter-desc {
    font-size: 14px;
    color: var(--_footer-text-secondary);
    line-height: 1.5;
    margin: 0 0 20px 0;
}

.newsletter-form {
    margin-bottom: 28px;
}

.newsletter-input-group {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border-radius: 8px;
    overflow: hidden;
    background: color-mix(in srgb, var(--_footer-surface) 85%, transparent);
    backdrop-filter: blur(10px);
    border: 1px solid var(--_footer-border);
    transition: all 0.3s ease;
}

.newsletter-input-group:focus-within {
    border-color: var(--_footer-accent);
    background: color-mix(in srgb, var(--_footer-surface) 75%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--_footer-accent) 35%, transparent);
}

.newsletter-input {
    flex: 1;
    padding: 14px 16px;
    background: transparent;
    border: none;
    color: var(--_footer-text-main);
    font-size: 15px;
    outline: none;
}

.newsletter-input::placeholder {
    color: var(--_footer-text-muted);
}

.newsletter-btn {
    background: var(--_footer-accent);
    color: var(--color-text-invert, #ffffff);
    border: none;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 120px;
    justify-content: center;
    border-radius: 0;
}

.newsletter-btn:hover {
    background: var(--_footer-accent-hover);
    transform: translateX(-2px);
    box-shadow: var(--shadow-md, 0 6px 16px rgba(0, 0, 0, 0.15));
}

.newsletter-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.newsletter-status {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.4;
    display: none;
    margin-top: 12px;
}

.newsletter-status.success {
    --_success-color: var(--color-status-success, #4ade80);
    background: color-mix(in srgb, var(--_success-color) 15%, transparent);
    color: var(--_success-color);
    border: 1px solid color-mix(in srgb, var(--_success-color) 35%, transparent);
}

.newsletter-status.error {
    --_error-color: var(--color-status-error, #f87171);
    background: color-mix(in srgb, var(--_error-color) 15%, transparent);
    color: var(--_error-color);
    border: 1px solid color-mix(in srgb, var(--_error-color) 35%, transparent);
}

/* Contact Info */
.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.contact-item i {
    color: var(--_footer-accent);
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.contact-link {
    color: var(--_footer-text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--_footer-accent);
}

.contact-text {
    color: var(--_footer-text-secondary);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--_footer-border);
    padding: 32px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 14px;
    color: var(--_footer-text-muted);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-bottom-link {
    font-size: 14px;
    color: var(--_footer-text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-bottom-link:hover {
    color: var(--_footer-accent);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px 60px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
        align-items: center;
        text-align: center;
    }
    
    .footer-description {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer-container {
        padding: 60px 16px 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 40px;
    }
    
    .footer-brand {
        text-align: center;
        grid-column: auto;
        align-items: center;
    }
    
    /* Las secciones de servicios y soporte alineadas a la izquierda en móvil */
    .footer-section {
        align-items: flex-start;
        text-align: left;
    }
    
    .footer-links {
        align-items: flex-start;
    }
    
    /* Solo la sección de newsletter centrada */
    .footer-section:last-child {
        align-items: center;
        text-align: center;
    }
    
    .newsletter-input-group {
        flex-direction: column;
        gap: 0;
        border-radius: 8px;
    }
    
    .newsletter-input {
        border-radius: 8px 8px 0 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .newsletter-btn {
        width: 100%;
        border-radius: 0 0 8px 8px;
    }
    
    .footer-contact-info {
        align-items: center;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    /* Enlaces del bottom en una sola fila en móvil */
    .footer-bottom-links {
        justify-content: center;
        flex-direction: row;
        gap: 16px;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 40px 12px 0;
    }
    
    .footer-grid {
        gap: 28px;
    }
    
    .footer-logo-image {
        height: 40px;
        max-width: 160px;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .social-link i {
        font-size: 14px;
    }
    
    /* Mantener alineación izquierda en secciones de contenido */
    .footer-section {
        gap: 12px;
    }
    
    .footer-section:not(:last-child) {
        align-items: flex-start;
        text-align: left;
    }
    
    /* Solo newsletter y brand centrados */
    .footer-section:last-child,
    .footer-brand {
        align-items: center;
        text-align: center;
    }
    
    /* Enlaces del bottom mantienen fila horizontal */
    .footer-bottom-links {
        flex-direction: row;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-bottom-content {
        gap: 16px;
    }
}