/* ============================================================
   FOOTER — completo, profesional
   ============================================================ */

.site-footer {
    background: var(--ink);
    color: var(--text-on-ink);
    padding-block: 64px 32px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-on-ink);
}

.footer-brand-col { display: flex; flex-direction: column; gap: 16px; }

.footer-brand-col .nav-brand {
    display: flex;
    flex-direction: row;
    color: var(--text-on-ink);
    font-size: 2.6rem;
    gap: 18px;
    align-items: center;
}

.footer-brand-col .nav-brand img.logo {
    height: 72px !important;
    width: auto !important;
    max-height: 72px !important;
    max-width: 120px !important;
    flex-shrink: 0;
    object-fit: contain;
}

.footer-brand-col p {
    font-size: 0.9rem;
    max-width: 280px;
    color: var(--text-on-ink-muted);
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-on-ink-dim);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 0.92rem;
    color: var(--text-on-ink-muted);
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--copper-light); }

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-on-ink);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-ink-muted);
    transition: border-color var(--transition), color var(--transition);
}

.footer-social a:hover {
    border-color: var(--copper);
    color: var(--copper-light);
}

.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 28px;
    font-size: 0.82rem;
    color: var(--text-on-ink-dim);
}

.footer-bottom a { color: var(--text-on-ink-dim); }
.footer-bottom a:hover { color: var(--text-on-ink-muted); }

@media (max-width: 860px) {
    .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand-col { grid-column: span 2; }
    .footer-brand-col .nav-brand { font-size: 1.5rem; gap: 10px; }
    .footer-brand-col .nav-brand img.logo {
        height: 38px !important;
        max-height: 38px !important;
        max-width: 64px !important;
    }
}

@media (max-width: 560px) {
    .footer-top { grid-template-columns: 1fr; }
    .footer-brand-col { grid-column: span 1; }
}