/* ============================================================
   Blog — Wissen für die öffentliche Verwaltung
   Ergänzende Stile für blog/index.html und die Artikelseiten.
   Nutzt die CSS-Variablen aus ../styles.css (wird zusätzlich
   eingebunden, ersetzt sie nicht).
   ============================================================ */

/* ---------- Aktiver Navigationseintrag ---------- */

.site-header__nav a[aria-current="page"] {
  color: var(--color-action);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* ---------- Rücklink (Breadcrumb auf Artikelseiten) ---------- */

.breadcrumb {
  margin: 0 0 1.5rem;
  font-size: 0.875rem;
}

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

.breadcrumb a:hover {
  color: var(--color-action);
  text-decoration: underline;
}

/* ---------- Artikel-Headerbild ---------- */

.blog-hero {
  margin: 0 0 2rem;
}

.blog-hero img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

/* ---------- Artikel-Metazeile (Datum + Kategorie) ---------- */

.article-meta {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.article-meta .article-meta__category {
  font-weight: 600;
  color: var(--color-action);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Artikel-Fließtext ---------- */

.article-body {
  max-width: 44rem;
}

.article-body h2 {
  margin-top: 2.25rem;
  font-size: 1.35rem;
}

.article-body h3 {
  margin-top: 1.75rem;
  font-size: 1.1rem;
}

/* ---------- Quellenliste ---------- */

.article-sources {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.article-sources h2 {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.article-sources ul {
  margin: 0;
  padding-left: 1.25rem;
}

.article-sources li {
  margin-bottom: 0.35rem;
}

/* ---------- Teilen-Leiste am Artikelende ---------- */

.article-share {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.article-share h2 {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.article-share ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Ausreichende Klickfläche (min. 44 px Höhe) nach BITV/WCAG */
.article-share a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  color: var(--color-action);
  text-decoration: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.article-share a:hover {
  color: var(--color-action-hover);
  background: var(--color-bg-alt);
  border-color: var(--color-action);
  text-decoration: underline;
}

.article-share a:focus-visible {
  outline: 2px solid var(--color-action);
  outline-offset: 2px;
}

/* ---------- CTA-Kasten am Artikelende ---------- */

.article-cta {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.article-cta h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.article-cta p:last-child {
  margin-bottom: 0;
}

/* ---------- Artikel-Karten (Übersichtsseite) ---------- */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-brand);
  border-radius: 10px;
  overflow: hidden;
}

.blog-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
}

.blog-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.5rem;
}

.blog-card__category {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-action);
}

.blog-card__title {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.blog-card__teaser {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
}

.blog-card__meta {
  margin: auto 0 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.blog-card__link {
  font-weight: 600;
}