/* ─── Footer ─── */
footer {
    border-top: 1px solid var(--border);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.footer-brand-logo svg { width: 24px; height: 24px; }

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.3rem 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 1.5rem auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}