/* =========================
   Site Footer (Isolated & Stable)
   ========================= */

.site-footer {
  background: #f1f5f9; /* slightly darker than content */
  border-top: 1px solid #e5e7eb;
  box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.04);
  margin-top: 80px;
  font-size: 14px;
  color: #374151;
}

/* prevent inheritance pollution */
.site-footer * {
  box-sizing: border-box;
}

/* links */
.site-footer a {
  color: #2563eb;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* =========================
   Main Footer Content
   ========================= */

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

/* footer sections */
.footer-section h4 {
  font-size: 16px;
  margin: 0 0 12px;
  color: #111827;
}

.footer-section p {
  margin: 0;
  line-height: 1.6;
  color: #374151;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: 8px;
}

/* =========================
   Bottom Area
   ========================= */

.footer-bottom {
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
  padding: 24px;
}

.footer-bottom > div {
  max-width: 1200px;
  margin: 0 auto;
}

/* disclosure text */
.disclosure p {
  margin: 0 0 12px 0;
  font-size: 13px;
  line-height: 1.6;
  color: #4b5563;
}

/* copyright */
.copyright {
  text-align: center;
}

/* copyright */
.copyright p {
  margin: 0;
  font-size: 13px;
  color: #6b7280;
}




/* =========================
   Mobile Optimization
   ========================= */

@media (max-width: 640px) {
  .footer-content {
    padding: 32px 16px;
    gap: 24px;
  }

  .footer-bottom {
    padding: 20px 16px;
  }
}