/* Footer. */
.site-footer {
    background-color: #15171a;          /* color sólido y moderno */
    border-top: 2px solid rgba(18, 92, 196, 0.35);
    padding: 2.2rem 1.5rem;
    text-align: center;
    font-family: 'Montserrat', system-ui, sans-serif;
}

.footer-line {
    margin: 0;
    line-height: 1.7;
}

/* ---------- Redes sociales ---------- */
.footer-social {
    display: flex;
    justify-content: center;
    gap: .85rem;
    margin: 1.2rem 0 .4rem;
}

.footer-social__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: #cdd3da;
    border: 1px solid rgba(18, 92, 196, 0.35);
    background: rgba(18, 92, 196, 0.06);
    transition: color .2s ease, background-color .2s ease,
                border-color .2s ease, transform .2s ease;
}

.footer-social__link svg {
    width: 21px;
    height: 21px;
    display: block;
}

.footer-social__link:hover,
.footer-social__link:focus-visible {
    color: #ffffff;
    background: #125cc4;
    border-color: #125cc4;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(18, 92, 196, 0.35);
}

.footer-brand {
    color: #f5f5f5;
    font-weight: 600;
    letter-spacing: .02em;
}

.footer-address {
    color: #b3b3b3;
    font-size: .95rem;
}

.footer-credit {
    color: #8b93a0;
    font-size: .85rem;
    letter-spacing: .03em;
}

.footer-credit a {
    color: #7da6ff;
    text-decoration: none;
    font-weight: 600;
    transition: color .2s ease;
}
.footer-credit a:hover {
    color: #125cc4;
    text-decoration: underline;
}