.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 0;
  top: 0;
  width: auto;
  height: auto;
  background: #fff;
  color: #000;
  padding: 0.5rem 0.75rem;
  z-index: 1000;
}

.site-header {
  border-bottom: 1px solid #e5e7eb;
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 999;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}
.site-logo { font-weight: 700; font-size: 1.25rem; }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}
.site-nav a { padding: 0.25rem 0.5rem; border-radius: 0.375rem; }
.site-nav a:focus { outline: var(--focus-ring); outline-offset: 2px; }

.site-footer {
  border-top: 1px solid #e5e7eb;
  margin-top: 2rem;
  padding: 1rem;
  text-align: center;
  color: var(--color-muted);
}

.home-search { margin-top: 2rem; }