.ds-site-header {
  border-bottom: 1px solid var(--border, var(--leadity-neutral-40));
  background: var(--surface, var(--leadity-white));
}

.ds-header-inner {
  width: min(100%, var(--container-max, var(--leadity-breakpoint-3xl)));
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6, var(--leadity-space-6));
  margin-inline: auto;
  padding-inline: var(--container-gutter-desktop, var(--leadity-space-8));
}

.ds-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4, var(--leadity-space-4));
  color: var(--fg-2, var(--leadity-text-default));
  text-decoration: none;
}

.ds-brand img,
.ds-brand-logo {
  width: 142px;
  height: auto;
  display: block;
  flex: 0 0 auto;
}

.ds-brand span {
  padding-left: var(--space-4, var(--leadity-space-4));
  border-left: 1px solid var(--border, var(--leadity-neutral-40));
  color: var(--muted, var(--leadity-text-light));
  font-size: var(--text-sm, 14px);
}

.ds-system-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2, var(--leadity-space-2));
}

.ds-system-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-3, var(--leadity-space-3));
  border-radius: var(--radius-sm, var(--leadity-radius-sm));
  color: var(--fg-2, var(--leadity-text-default));
  text-decoration: none;
}

.ds-system-nav a:hover {
  background: var(--bg, var(--leadity-neutral-10));
}

.ds-system-nav a[aria-current="page"] {
  background: var(--accent, var(--leadity-neutral-80));
  color: var(--accent-on, var(--leadity-white));
}

.ds-system-nav a:focus-visible,
.ds-brand:focus-visible {
  outline: 2px solid var(--accent, var(--leadity-neutral-80));
  outline-offset: 2px;
}

@media (max-width: 1023px) {
  .ds-header-inner {
    padding-inline: var(--container-gutter-tablet, var(--leadity-space-6));
  }
}

@media (max-width: 639px) {
  .ds-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-4, var(--leadity-space-4)) var(--container-gutter-phone, var(--leadity-space-4));
  }

  .ds-brand span { display: none; }
  .ds-system-nav { width: 100%; }
  .ds-system-nav a { flex: 1 1 auto; justify-content: center; }
}