/* ════════════════════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════════════════════ */

.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--paper-warm);
    border-top: 1px solid var(--carbon-200);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer__brand {
    max-width: 280px;
}

.footer__brand .logo {
    margin-bottom: var(--space-4);
    transform: scale(1.3);
    transform-origin: left center;
}

.footer__desc {
    font-size: 0.9375rem;
    color: var(--carbon-500);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.footer__social {
    display: flex;
    gap: var(--space-2);
}

.footer__social-link {
    width: 36px;
    height: 36px;
    background: var(--carbon-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--carbon-500);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--forest-600);
    color: white;
}

.footer__col {
    text-align: left;
}

.footer__col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--carbon-900);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__links li {
    margin-bottom: var(--space-2);
}

.footer__links a {
    font-size: 0.9375rem;
    color: var(--carbon-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--carbon-900);
    text-decoration: none;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--carbon-200);
}

.footer__copy {
    font-size: 0.875rem;
    color: var(--carbon-400);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: 0.875rem;
    color: var(--carbon-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--carbon-900);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__brand {
        max-width: none;
    }

    .footer__social {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}