.site-footer {
  grid-template-columns: minmax(100px, 1fr) minmax(0, auto) minmax(100px, 1fr);
}

.footer-links {
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  line-height: 1.7;
}

.whatsapp-link {
  position: fixed;
  z-index: 9;
  right: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  min-width: 60px;
  min-height: 60px;
  aspect-ratio: 1;
  box-sizing: border-box;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 14px rgb(0 0 0 / 18%);
  transition: background-color 180ms ease, transform 180ms ease;
}
.whatsapp-link svg { display: block; width: 30px; height: 30px; flex-shrink: 0; fill: #fff; }
.whatsapp-link:hover { background: #25d366; color: #fff; transform: translateY(-2px); }