/* =============================================================================
   FOOTER – chân trang 4 cột + thông báo pháp lý
   ============================================================================= */

.wb-footer { margin-top: 0; color: rgba(255, 255, 255, 0.82); background: var(--wb-deep); font-size: 0.95rem; }
.wb-footer a { color: rgba(255, 255, 255, 0.92); }
.wb-footer a:hover { color: var(--wb-accent); }

.wb-footer__grid {
  display: grid; gap: 36px 32px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding-block: 56px 40px;
}

.wb-footer__title {
  margin: 0 0 18px; padding-bottom: 12px; position: relative;
  font-size: 0.95rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: #fff;
}
.wb-footer__title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 32px; height: 3px; border-radius: 3px; background: var(--wb-accent);
}

.wb-footer-list { margin: 0; padding: 0; list-style: none; }
.wb-footer-list li { margin: 0 0 10px; }
.wb-footer-list--contact li { display: flex; gap: 10px; align-items: flex-start; }
.wb-footer-list--contact .wb-icon { margin-top: 4px; color: var(--wb-accent); }

.wb-social { display: flex; gap: 10px; margin-bottom: 18px; }
.wb-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; color: #fff;
  background: rgba(255, 255, 255, 0.1); border-radius: 50%;
  transition: background 0.2s, transform 0.2s;
}
.wb-social a:hover { color: #fff; background: var(--wb-primary); transform: translateY(-2px); }
.wb-footer__note { font-size: 0.85rem; font-style: italic; color: rgba(255, 255, 255, 0.7); }

.wb-footer__legal {
  padding-block: 22px;
  font-size: 0.82rem; line-height: 1.6; color: rgba(255, 255, 255, 0.62);
  background: rgba(0, 0, 0, 0.28);
}
.wb-footer__legal p { margin: 0 0 8px; }
.wb-footer__copy { color: rgba(255, 255, 255, 0.5); }

/* Chừa chỗ cho nút liên hệ nổi ở góc dưới trên điện thoại */
@media (max-width: 720px) {
  .wb-footer__grid { padding-block: 40px 28px; }
  .wb-footer__legal { padding-bottom: 88px; }
}