/**
 * ============================================================================
 * FOOTER STYLESHEET
 * ============================================================================
 * Mengatur tata letak footer semantik, hak cipta resmi, dan tautan jejaring
 * profesional dengan ikon vektor SVG murni (Zero Emoji).
 */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-8, 2rem) var(--space-6, 1.5rem);
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-size: var(--text-sm);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-metallic);
}

.footer-container {
  max-width: var(--max-width-wide, 1360px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6, 1.5rem);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-brand-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-copyright {
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

.footer-tagline {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  margin: 0;
  letter-spacing: 0.04em;
}

.footer-contact-info,
.footer-social-links {
  display: flex;
  align-items: center;
  gap: var(--space-4, 1rem);
}

.footer-email-link,
.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  background-color: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.footer-email-link:hover,
.footer-social-link:hover {
  color: var(--text-primary);
  border-color: var(--red-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px -2px var(--red-glow);
}

.footer-email-icon,
.footer-social-icon {
  width: 16px;
  height: 16px;
  color: currentColor;
}