/**
 * AVENIX Venture - Footer Component
 * Mobile-First Multi-Column Sitemap & Company Footer
 */

.site-footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: var(--space-6);
  position: relative;
}

/* Compact single-strip footer on pages without .footer-top-grid */
.site-footer:not(:has(.footer-top-grid)) {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

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

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}

@media (min-width: 640px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: var(--space-5);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-brand-desc {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-body);
  max-width: 320px;
}

.footer-social-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

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

.footer-column-title {
  font-family: var(--font-heading);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.footer-bottom-link {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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