:root {
  --bg: #f6f7f9;
  --card: #fff;
  --text: #1a1d21;
  --muted: #5c6570;
  --accent: #1a6fb4;
  --border: #dde2e8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; color: var(--text); text-decoration: none; }

.header-nav a, .locale-link {
  margin-left: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.locale-link.active { font-weight: 700; text-decoration: underline; }

.nav-label { color: var(--muted); font-size: 0.85rem; margin-left: 1rem; }

.site-body {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  min-height: calc(100vh - 120px);
}

.sidebar {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

.sidebar h2 { font-size: 1rem; margin: 0 0 1rem; }

.nav-group h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 1rem 0 0.35rem;
}

.sidebar ul { list-style: none; padding: 0; margin: 0; }

.sidebar li { margin: 0.2rem 0; }

.sidebar li.active a { font-weight: 600; }

.sidebar a { color: var(--text); text-decoration: none; }

.sidebar a:hover { color: var(--accent); }

.content {
  padding: 1.5rem 2rem;
  max-width: 52rem;
}

.content.impressum-only { margin: 0 auto; max-width: 40rem; padding: 2rem; }

.lead { font-size: 1.1rem; color: var(--muted); }

.kind-badge {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 1rem;
}

.article img { max-width: 100%; border: 1px solid var(--border); border-radius: 4px; }

.site-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--card);
  font-size: 0.85rem;
}

.site-footer a { color: var(--accent); }

@media (max-width: 800px) {
  .site-body { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}