:root {
  --cream:#F8F5F3; --teal:#055C5C; --teal-dark:#044A4A; --lime:#BCDF5F;
  --brown:#806D47; --ink:#393F44; --muted:#5b6166; --line:#e6e1dc; --white:#fff;
  --radius:16px; --maxw:820px;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  color:var(--ink); background:var(--cream); line-height:1.7; -webkit-font-smoothing:antialiased;
}
a { color:var(--teal); }
img, svg { display:block; max-width:100%; }
.wrap { max-width:var(--maxw); margin:0 auto; padding:0 20px; }

header { position:sticky; top:0; z-index:10; background:rgba(248,245,243,.9); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
.nav { display:flex; align-items:center; justify-content:space-between; height:64px; max-width:1120px; margin:0 auto; padding:0 20px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; text-decoration:none; color:var(--ink); }
.brand img { width:32px; height:32px; }
.nav-links { display:flex; gap:18px; align-items:center; }
.nav-links a:not(.btn) { text-decoration:none; font-weight:600; font-size:15px; color:var(--ink); }
.nav-links a:not(.btn):hover { color:var(--teal); }

.btn { display:inline-flex; align-items:center; gap:8px; min-height:44px; padding:11px 20px; border-radius:999px;
  font-weight:600; font-size:15px; background:var(--teal); color:#fff; text-decoration:none; cursor:pointer; border:1px solid transparent; }
.btn-primary { background:var(--teal); color:#fff; }
.btn-primary:hover { background:var(--teal-dark); }
.btn:focus-visible, a:focus-visible { outline:3px solid var(--brown); outline-offset:2px; border-radius:6px; }

/* Header-CTA um 50 % verkleinert */
.nav-links .btn { min-height:22px; padding:6px 10px; font-size:12px; gap:4px; }

.crumb { font-size:14px; color:var(--muted); padding:24px 0 0; }
.crumb a { color:var(--muted); }

main { padding:8px 0 56px; }
h1 { font-size:clamp(28px,4.4vw,40px); line-height:1.15; letter-spacing:-.02em; margin:14px 0 10px; }
h2 { font-size:clamp(21px,3vw,28px); line-height:1.2; margin:40px 0 12px; }
h3 { font-size:19px; margin:28px 0 8px; }
.lead { font-size:19px; color:var(--muted); margin:0 0 8px; }
.meta { font-size:14px; color:var(--muted); margin:0 0 24px; }
article p, article li { font-size:17px; }
article ul, article ol { padding-left:22px; }
article li { margin:6px 0; }

.callout { background:rgba(5,92,92,.05); border:1px solid rgba(5,92,92,.18);
  border-radius:12px; padding:18px 20px; margin:28px 0; }
.callout strong { color:var(--teal-dark); }

/* FAQ-Abschnitt (Frontmatter faq -> sichtbare Q&A + FAQPage-JSON-LD) */
.faq { margin:40px 0 8px; }
.faq-item { border-top:1px solid var(--line); padding:18px 0; }
.faq-item:last-child { border-bottom:1px solid var(--line); }
.faq-item h3 { margin:0 0 6px; font-size:18px; color:var(--teal-dark); }
.faq-item p { margin:0; }

.cta-band { background:var(--teal); color:#fff; border-radius:var(--radius); padding:28px 24px; text-align:center; margin:40px 0 8px; }
.cta-band h2 { color:#fff; margin:0 0 8px; }
.cta-band p { margin:0 0 16px; opacity:.92; }
.cta-band .btn-primary { background:var(--teal); color:#fff; border-color:#fff; }

/* Blog-Index Themenfilter */
.filter-bar { display:flex; flex-wrap:wrap; gap:8px; margin:20px 0 16px; }
.filter-btn { font-family:inherit; font-size:15px; font-weight:600; padding:11px 20px; border-radius:999px;
  min-height:44px; display:inline-flex; align-items:center;
  border:1px solid rgba(5,92,92,.3); background:var(--white); color:var(--teal); cursor:pointer; }
.filter-btn:hover { border-color:var(--teal); }
.filter-btn.is-active { background:var(--teal); border-color:var(--teal); color:#fff; }

/* Blog-Index Karten */
.post-list { display:grid; gap:20px; grid-template-columns:1fr; margin-top:8px; }
.post-card { display:block; background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 24px; text-decoration:none; color:inherit; transition:box-shadow .18s ease, transform .18s ease; }
.post-card:hover { box-shadow:0 12px 30px rgba(57,63,68,.12); transform:translateY(-2px); }
.post-card h2 { margin:0 0 8px; font-size:22px; color:var(--ink); }
.post-card p { margin:0; color:var(--muted); font-size:16px; }
.post-card .tag { display:inline-block; font-size:12px; font-weight:600; color:var(--teal);
  background:rgba(5,92,92,.08); padding:3px 10px; border-radius:999px; margin-bottom:12px; }
.post-card img { width:100%; height:180px; object-fit:cover; border-radius:12px; margin-bottom:14px; }

/* Beitrags-Hero: erstes Bild im Artikel (aus dem Markdown-Body). */
article img { width:100%; height:auto; border-radius:12px; margin:6px 0 24px; }

footer { border-top:1px solid var(--line); padding:28px 0; margin-top:24px; }
.foot-links { display:flex; flex-wrap:wrap; gap:8px 22px; justify-content:center; margin-bottom:14px; }
.foot-links a { text-decoration:none; font-weight:600; font-size:14px; color:var(--teal); }
.foot-links a:hover { text-decoration:underline; }
.foot { text-align:center; color:var(--muted); font-size:14px; }

@media (max-width:640px) { .nav-links a:not(.btn) { display:none; } }
@media (prefers-reduced-motion:reduce) { * { transition:none !important; scroll-behavior:auto; } }