/* ============================================================
   FOOTER IGRC — ESTILO MCKINSEY & COMPANY + JPMORGAN
   ACCESIBILIDAD WCAG AAA (CONTRASTE 8:1)
   ============================================================ */

.sitio-footer {
    background-color: var(--igrc-bg-sec-2, #f4f6f8);
    color: var(--igrc-text-dark, #0f172a);
    padding: 50px 0 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.contenedor-footer {
    max-width: var(--igrc-container-max-width, 1200px);
    margin: 0 auto;
    padding: 0 24px 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px 60px;
}

.footer-columna {
    display: flex;
    flex-direction: column;
}
.footer-columna-institucional { gap: 20px; }
.footer-columna-enlaces { gap: 28px; }
.footer-columna-contacto { gap: 24px; }

.footer-logo-imagen { width: 140px; height: auto; }

.footer-descripcion {
    font-size: 15px;
    line-height: 1.6;
    color: #334155;
    margin: 0;
}

.footer-redes {
    display: flex;
    gap: 18px;
    margin-top: 4px;
}
.footer-redes-enlace {
    color: var(--igrc-text-dark, #0f172a);
    opacity: 0.5;
    transition: opacity 0.2s ease;
}
.footer-redes-enlace:hover { opacity: 1; }

.footer-titulo {
    font-family: var(--igrc-font-titulo, 'Cormorant', serif);
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--igrc-text-dark, #0f172a);
}

/* ============================================================
   ENLACES (sobre fondo claro → #0038d1)
   ============================================================ */
.footer-lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.footer-lista li { margin: 0; padding: 0; }

.footer-lista a,
.footer-lista-contacto a,
.footer-politicas a {
    position: relative;
    text-decoration: none;
    color: #334155;
    font-size: 14px;
    line-height: 1.5;
    padding-bottom: 2px;
    display: inline-block;
    transition: color 0.2s ease, background-size 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-image: linear-gradient(#0038d1, #0038d1);
    background-size: 0% 1px;
    background-repeat: no-repeat;
    background-position: left bottom;
}
.footer-lista a:hover,
.footer-lista-contacto a:hover,
.footer-politicas a:hover {
    color: #0038d1;
    background-size: 100% 1px;
}

.footer-lista-contacto li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #334155;
    font-size: 14px;
    padding: 4px 0;
}
.footer-lista-contacto svg {
    flex-shrink: 0;
    color: #334155;
}
.footer-lista-contacto a { font-size: 14px; }

.footer-politicas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-top: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding-top: 20px;
}
.footer-politicas a { font-size: 13px; }

.footer-inferior {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding: 20px 0;
    margin-top: 10px;
}
.contenedor-footer-inferior {
    max-width: var(--igrc-container-max-width, 1200px);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer-copyright {
    font-size: 13px;
    color: #475569;
    margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .contenedor-footer {
        grid-template-columns: 1fr 1fr;
        gap: 40px 60px;
    }
}

@media (max-width: 768px) {
    .contenedor-footer {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-columna-institucional {
        order: -1;
        text-align: center;
        align-items: center;
    }
    .footer-columna-enlaces {
        align-items: center;
        text-align: center;
    }
    .footer-columna-contacto {
        align-items: center;
        text-align: center;
    }
    .footer-lista-contacto li { justify-content: center; }
    .footer-politicas { justify-content: center; }
    .footer-redes { justify-content: center; }
    .contenedor-footer-inferior {
        flex-direction: column;
        text-align: center;
    }
}