.site-header {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-standard);
}

.site-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: clamp(var(--space-standard), 6vw, calc(var(--space-generous) - var(--space-tight) / 2));
  min-width: 0;
}

@media (scripting: enabled) {
  .site-navigation[data-session-pending] {
    visibility: hidden;
  }
}

.site-navigation-link {
  padding: 0 0 4px;
  border-bottom: 2px solid transparent;
  color: var(--colour-text-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-compact);
  text-decoration: none;
  white-space: nowrap;
}

.site-navigation-link:hover,
.site-navigation-link:focus-visible {
  color: var(--colour-text-heading);
  text-decoration: none;
}

.site-navigation-link[aria-current="page"] {
  border-bottom-color: var(--colour-green);
  color: var(--colour-text-heading);
}

@media (max-width: 420px) {
  .site-navigation {
    gap: var(--space-tight);
  }

  .site-navigation-link {
    font-size: var(--font-size-small);
  }
}