footer.footer,
footer.footer-section,
footer.detail-footer {
  background: #fff;
  color: #526778;
  border-top: 1px solid #e5e7eb;
}
footer.footer h2,
footer.footer h3,
footer.footer p,
footer.footer a:not(.footer-social-link),
footer.footer-section h2,
footer.footer-section h3,
footer.footer-section p,
footer.footer-section a:not(.footer-social-link),
footer.detail-footer h2,
footer.detail-footer h3,
footer.detail-footer p,
footer.detail-footer a:not(.footer-social-link),
footer .footer-bottom,
footer .footer-picture {
  color: #526778;
}
footer .footer-bottom {
  border-color: #e5e7eb;
}

footer .footer-logo-link {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 16px;
}
footer img.footer-brand-logo {
  display: block;
  width: 150px;
  height: 85px;
  max-width: 100%;
  object-fit: contain;
  filter: none;
}

footer .social-links,
footer .footer-social-links {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}
footer a.footer-social-link {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  margin: 0;
  border: 1px solid rgba(128, 153, 180, .3);
  border-radius: 50%;
  background: #fff;
  color: #0070B8;
  text-decoration: none;
  transition: background .2s, color .2s, transform .2s;
}
footer a.footer-social-link:hover {
  background: #0070B8;
  color: #fff;
  transform: translateY(-2px);
}
footer a.footer-social-link:focus-visible {
  outline: 3px solid #f2b72b;
  outline-offset: 3px;
}
footer .footer-social-link svg {
  display: block;
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Keep platform colors distinct from the site's primary blue. */
footer a[href*="facebook.com"],
footer .custom-social a:has(.fa-facebook-f) {
  --social-color: #1877F2;
}
footer a[href*="zalo.me"] {
  --social-color: #0068FF;
}
footer a[href*="tiktok.com"] {
  --social-color: #111111;
}
footer .custom-social a:has(.fa-twitter) {
  --social-color: #1DA1F2;
}
footer .custom-social a:has(.fa-instagram) {
  --social-color: #E4405F;
}
footer .custom-social a:has(.fa-linkedin) {
  --social-color: #0A66C2;
}
footer a.footer-social-link,
.footer-section .custom-social li a {
  color: #fff;
  background: var(--social-color, #0070B8);
  border-color: var(--social-color, #0070B8);
}
footer a.footer-social-link:hover,
.footer-section .custom-social li a:hover {
  background: var(--social-color, #0070B8);
  color: #fff;
  transform: translateY(-2px);
}
footer a[href*="tiktok.com"] svg {
  filter: drop-shadow(-1px -1px 0 #25F4EE) drop-shadow(1px 1px 0 #FE2C55);
}

/* Homepage footer shared by all public pages. */
footer.site-footer {
  width: min(1280px, 92%);
  max-width: 1280px;
  margin-inline: auto;
  padding: 30px 0 0;
  font: 14px/1.65 "Bricolage Grotesque", "Segoe UI", sans-serif;
}
footer.site-footer .container {
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding-inline: clamp(16px, 2.2vw, 32px);
}
footer.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.25fr;
  gap: 36px;
  padding-bottom: 30px;
}
footer.site-footer .footer-grid > div { min-width: 0; }
footer.site-footer h2 {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.22;
  letter-spacing: 0;
}
footer.site-footer p { margin: 8px 0 10px; font-size: 14px; }
footer.site-footer a:not(.footer-social-link):not(.back-top) {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  text-decoration: none;
}
footer.site-footer .footer-bottom {
  position: relative;
  padding-block: 17px;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  font-size: 14px;
}
footer.site-footer .back-top {
  position: absolute;
  right: 16px;
  bottom: 15px;
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: #0070B8;
  color: #fff;
  text-decoration: none;
}
@media(max-width:960px) {
  footer.site-footer .footer-grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
}
@media(max-width:600px) {
  footer.site-footer .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 25px; }
  footer.site-footer .footer-brand,
  footer.site-footer .footer-grid > div:last-child { grid-column: 1 / -1; }
  footer.site-footer .footer-bottom { text-align: left; padding-right: 60px; }
}