.site-footer {
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border-base);
    margin-top: 60px;
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.footer-main {
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 52px var(--container-pad) 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand-identity {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.footer-brand-logo {
    height: 38px;
    width: auto;
    flex-shrink: 0;
}

.footer-brand-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.footer-brand-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background-color: var(--color-bg-overlay);
    border: 1.5px solid var(--color-border-base);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 16px;
    text-decoration: none;
    transition: color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.footer-social-link:hover {
    color: var(--color-text-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 18px var(--color-primary-glow);
}

.footer-col-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base), transform var(--transition-base);
}

.footer-link:hover {
    color: var(--color-text-primary);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid var(--color-border-base);
}

.footer-bottom-inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 18px var(--container-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-copyright {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-copyright a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

.footer-copyright a:hover {
    color: var(--color-blue-300);
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-legal-link {
    font-size: 13px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-legal-link:hover {
    color: var(--color-text-secondary);
}

.footer-powered {
    background-color: #0a0b0f;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-powered-inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding: 14px var(--container-pad);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.footer-powered-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
    opacity: 0.75;
}

.footer-powered-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.5;
}

.footer-powered-text a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
}

.footer-powered-text a:hover {
    color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: 1fr 1fr 1fr 1fr;
        gap: 36px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-brand-desc {
        max-width: 480px;
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        padding-top: 40px;
        padding-bottom: 32px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-brand-desc {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
        padding-top: 36px;
        padding-bottom: 28px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .footer-legal-links {
        gap: 14px;
        flex-wrap: wrap;
    }

    .footer-powered-inner {
        gap: 10px;
    }

    .footer-powered-text {
        font-size: 11px;
    }
}