.site-footer {
    background-color: var(--color-gray-100);
    color: var(--color-text);
    margin-top: -1rem;
    margin-bottom: 1rem;
}

.footer-main {
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
}

.footer-main-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1.2fr 1fr;
    gap: 2rem 2.5rem;
    align-items: start;
    margin-bottom: 2.5rem;
}

.footer-partner-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 240px;
}

.footer-partner-logo {
    width: 100%;
    max-width: 220px;
    height: auto;
}

.footer-impact-badge {
    width: 100%;
    max-width: 160px;
    height: auto;
}

.footer-maximator-logo {
    width: 100%;
    max-width: 250px;
    height: auto;
}

.footer-address {
    font-style: normal;
    font-size: var(--font-size-base);
    line-height: 1.7;
    margin: 0;
    color: var(--color-text);
}

.footer-address a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-address a:hover {
    color: var(--color-primary);
}

.footer-social-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--color-text);
}

.footer-social-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0.25rem;
    background-color: var(--color-primary);
    transition: background-color var(--transition-speed);
}

.footer-social-btn:hover {
    background-color: var(--color-primary-dark);
}

.footer-social-btn img {
    width: 22px;
    height: 22px;
    filter: brightness(0) invert(1);
}

.footer-meta-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.75rem 1.25rem;
    padding: 0.75rem 0 1rem;
    font-size: var(--font-size-sm);
}

.footer-meta-nav a {
    color: var(--color-text-light);
    transition: color var(--transition-speed);
}

.footer-meta-nav a:hover {
    color: var(--color-primary);
}

.footer-meta-nav a:not(:last-child)::after {
    content: "|";
    margin-left: 1.25rem;
    color: var(--color-gray-400);
    pointer-events: none;
}

.footer-copyright {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

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

@media (max-width: 640px) {
    .footer-main {
        padding: 2rem 0 1rem;
    }

    .footer-main-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .footer-meta-nav {
        flex-direction: column;
        gap: 0.65rem;
    }

    .footer-meta-nav a:not(:last-child)::after {
        content: none;
    }
}