/* =========================================
   FOOTER: ARCTIC TECH DESIGN (32:9 Optimized)
   ========================================= */

.site-footer {
    /* Color de fondo: Azul marino profundo casi negro */
    background-color: #030712; 
    color: #94a3b8;
    
    /* Diseño de isla: Separado de los bordes para look moderno */
    margin: 20px auto; 
    padding: 40px 60px;
    font-family: 'Montserrat', sans-serif;
    
    /* Bordes estilo "cristal de seguridad" */
    border-radius: 12px; 
    border: 1px solid rgba(0, 180, 216, 0.2); 
    
    /* Sombra azulada muy sutil */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 180, 216, 0.05);

    /* Ocupa el ancho pero con margen */
    width: calc(100% - 40px);
    max-width: 1800px;
    box-sizing: border-box;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* --- Parte Superior: Logo y Branding --- */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 30px;
}

.footer-logo {
    font-weight: 200;
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: #ffffff;
    text-transform: uppercase;
}

.footer-logo span {
    color: #00b4d8; /* El azul glaciar de acento */
    font-weight: 700;
}

/* --- Grid Principal: 4 Columnas en UltraWide --- */
.footer-main-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr; 
    gap: 40px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.6;
    font-weight: 300;
}

/* --- Listas de Enlaces --- */
.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav-list li {
    margin-bottom: 12px;
}

.footer-nav-list a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 300;
    transition: all 0.3s ease;
}

.footer-nav-list a:hover {
    color: #00b4d8;
    padding-left: 5px;
}

/* --- Newsletter o Call to Action --- */
.footer-newsletter input {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: 6px;
    color: white;
    margin-bottom: 10px;
}

/* --- Parte Inferior: Copyright --- */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    font-size: 0.75rem;
    color: #475569;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .footer-main-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-main-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        flex-direction: column;
        gap: 20px;
    }
}