/* footer */
    
.footer {
    background: var(--dark-blue, #0f3a6a);
    color: #ffffff;
    padding: 40px 20px;
    box-sizing: border-box;
    margin-top: -60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
    justify-items: stretch;
}

/* Columns */
.footer-col {
    box-sizing: border-box;
}

/* Navigation column */
.footer-nav .footer-heading {
    display: none; /* usamos a lista direta */
}

.footer-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav-item a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.95;
    transition: opacity 160ms ease, transform 160ms ease;
}

.footer-nav-item a:hover,
.footer-nav-item a:focus {
    opacity: 1;
    transform: translateX(6px);
    text-decoration: underline;
}

/* Contact column */
.footer-contact .footer-heading {
    font-size: 20px;
    margin: 0 0 10px 0;
    color: rgba(255,255,255,0.95);
}

.footer-address {
    font-style: normal;
    color: rgba(255,255,255,0.95);
    font-size: 15px;
    line-height: 1.6;
    margin-top: 8px;
}

.footer-address a {
    color: #ffffff;
    text-decoration: none;
    display: inline-block;
    margin-top: 6px;
}

.footer-address a:hover,
.footer-address a:focus {
    text-decoration: underline;
}

/* Logos column */
.footer-logos-inner {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: flex-end;
}

.footer-logo {
    height: 80px;
    width: auto;
    display: block;
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 36px;
    padding-top: 16px;
    text-align: center;
    color: rgba(255,255,255,0.9);
    font-size: 15px;
}

.footer-copy {
    margin: 0;
}

/* Focus styles for accessibility */
.footer a:focus {
    outline: 3px solid rgba(255,255,255,0.16);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Responsive: stack columns on smaller screens */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .footer-logos-inner {
        justify-content: center;
    }

    .footer-nav-list {
        align-items: center;
    }

    .footer-address {
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 20px 12px;
    }

    .footer-logo {
        height: 40px;
    }

    .footer-nav-item a {
        font-size: 15px;
    }

    .footer-contact .footer-heading {
        font-size: 18px;
    }
}