/* ============================================
   FOOTER - World Class Design
   Uses design tokens from _variables.css
   ============================================ */

.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* CTA Section */
.footer-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-12) 0;
    gap: var(--space-8);
}

.footer-cta-content {
    flex: 1;
}

.footer-cta-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
    margin: 0 0 var(--space-2) 0;
    line-height: 1.2;
}

.footer-cta-description {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    margin: 0;
}

.footer-cta-actions {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    flex-shrink: 0;
}

.footer-cta-button {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: background var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
}

.footer-cta-button:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 0 0 3px rgba(26, 26, 46, 0.1);
}

.footer-cta-link {
    color: var(--color-text);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-cta-link:hover {
    color: var(--color-text-muted);
}

/* Divider */
.footer-divider {
    height: 1px;
    background: var(--color-border);
}

/* Main Content */
.footer-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-20);
    padding: var(--space-16) 0;
}

/* Brand Section */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-logo-img {
    height: 32px;
    width: auto;
}

.footer-description {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}

.footer-social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.footer-social-link svg {
    width: 18px;
    height: 18px;
}

/* Links Grid */
.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-12);
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-column-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin: 0 0 var(--space-5) 0;
}

.footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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

/* Bottom Bar */
.footer-bottom {
    padding: var(--space-6) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-bottom-links {
    display: flex;
    gap: var(--space-8);
}

.footer-bottom-link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-cta {
        flex-direction: column;
        text-align: center;
        padding: var(--space-10) 0;
    }

    .footer-cta-actions {
        flex-direction: column;
        gap: var(--space-4);
        width: 100%;
    }

    .footer-cta-button {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        padding: var(--space-12) 0;
    }

    .footer-brand {
        align-items: center;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

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

    .footer-bottom-links {
        gap: var(--space-6);
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 0 var(--space-4);
    }

    .footer-cta-title {
        font-size: var(--text-2xl);
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-column {
        text-align: center;
    }

    .footer-link-list {
        align-items: center;
    }
}