.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 4px;
  background: #082f55;
  color: #fff;
  font-weight: 700;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }
a:focus-visible,
button:focus-visible,
summary:focus-visible { outline: 3px solid #2d7ead; outline-offset: 3px; }
#main-content:focus { outline: none; }