/* ========================================
   Site Footer Component
   Global footer with links and branding
   ======================================== */

.site-footer {
    background: var(--ui-surface);
    border-top: 1px solid var(--ui-border);
    padding: 0;
}

/* Ensure footer stays at bottom in flex column layout (base.html) */
body > .site-footer {
    margin-top: auto;
}

.site-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 48px 32px;
}

/* Simple footer variant - only bottom section, no main content */
.site-footer-container:not(:has(.site-footer-main)) {
    padding: 32px 48px;
}

.site-footer-container:not(:has(.site-footer-main)) .site-footer-bottom {
    padding-top: 0;
    border-top: none;
}

.site-footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.site-footer-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.site-footer-brand-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--ui-text);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.site-footer-brand-tagline {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--ui-text-2);
    margin: 0;
}

.site-footer-cta {
    margin-top: 8px;
}

.site-footer-cta-icon {
    font-size: 18px;
    margin-left: 8px;
}

.site-footer-right {
    display: flex;
}

.site-footer-links-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 40px;
    width: 100%;
}

.site-footer-link-group {
    display: flex;
    flex-direction: column;
}

.site-footer-link-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--ui-text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.site-footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer-link-list li {
    margin: 0;
}

.site-footer-link-list a {
    font-size: var(--font-size-base);
    color: var(--ui-text-2);
    text-decoration: none;
    transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.site-footer-link-list a:hover {
    color: var(--ui-text);
}

.site-footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--ui-border-2);
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.site-footer-keywords {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.site-footer-keyword {
    font-size: var(--font-size-sm);
    color: var(--ui-text-2);
    text-decoration: none;
    transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-footer-keyword:hover {
    color: var(--ui-text);
}

.site-footer-keyword-separator {
    font-size: var(--font-size-sm);
    color: var(--ui-text-3);
}

.site-footer-copyright {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--ui-text-3);
    line-height: 1.6;
}

.site-footer-copyright p {
    margin: 4px 0;
}

.site-footer-copyright a {
    color: var(--ui-text-3);
    text-decoration: none;
    transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-footer-copyright a:hover {
    color: var(--ui-text-2);
}

/* Responsive Footer */
@media (max-width: 980px) {
    .site-footer-container {
        padding: 48px 24px 24px;
    }
    
    .site-footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 32px;
    }
    
    .site-footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .site-footer-links-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .site-footer-keywords {
        flex-direction: column;
        gap: 4px;
    }
    
    .site-footer-keyword-separator {
        display: none;
    }
}