/* Grundgestaltung – neutraler Startpunkt. Farben und Maße hier oben an den Kunden anpassen. */
:root{
  --primaer:#1f3a5f;
  --primaer-hover:#16293f;
  --akzent:#c8102e;
  --text:#1c2126;
  --gedaempft:#5b6570;
  --linie:#dde2e7;
  --hell:#f4f6f8;
  --max:1200px;
  --radius:12px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);line-height:1.6;font-size:1.0625rem;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--primaer)}
h1,h2,h3{line-height:1.2;color:var(--primaer);margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.25rem)}
h3{font-size:1.2rem}

.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.seite section{padding:64px 0}
.seite section.alt{background:var(--hell)}
.lead{font-size:1.2rem;color:var(--gedaempft)}

/* Kopfbereich – die Hülle .kopfbereich darf das Oben-Stehen des Headers nicht begrenzen */
.kopfbereich{display:contents}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--linie)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{font-weight:700;font-size:1.2rem;color:var(--primaer);text-decoration:none}
#nav ul{display:flex;gap:24px;list-style:none;margin:0;padding:0}
#nav a{text-decoration:none;color:var(--text);font-weight:600}
#nav a:hover{color:var(--akzent)}
.burger{display:none;background:none;border:1px solid var(--linie);border-radius:8px;padding:8px 12px;font:inherit;cursor:pointer}

/* Knöpfe */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;border:0;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.12);transition:background .2s}
.btn-primary{background:var(--primaer);color:#fff}
.btn-primary:hover{background:var(--primaer-hover)}
.btn-ghost{background:#fff;color:var(--primaer)}

/* Seitenkopf */
.page-hero{background:var(--hell)}
.seite section.page-hero{padding:72px 0}
.crumbs{font-size:.9rem;color:var(--gedaempft);margin-bottom:12px}
.crumbs span{margin:0 6px}

/* Karten */
.karten{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.karte{background:#fff;border:1px solid var(--linie);border-radius:var(--radius);padding:26px}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;align-items:start;margin-top:28px}
.faq details{background:#fff;border:1px solid var(--linie);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;position:relative;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--akzent)}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.3rem}
.faq details.is-open summary::after{content:"–"}
.faq .ans{overflow:hidden;color:var(--gedaempft)}
.faq .ans > p{margin:0;padding:0 20px 18px}

/* Formulare */
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--linie);border-radius:8px;font:inherit;background:#fff}
.check{display:block;margin:12px 0 20px;font-size:.95rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{color:var(--akzent);font-weight:600}
.success{display:none;padding:24px;background:var(--hell);border-radius:var(--radius)}
.success.show{display:block}

/* Fußbereich */
.fussbereich{display:block}
footer.site{background:var(--primaer);color:#fff;padding:48px 0 24px}
footer.site a{color:#fff}
footer.site .spalten{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
footer.site h3{color:#fff}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site .rechts{margin:32px 0 0;font-size:.9rem;opacity:.85}

@media (max-width:900px){
  .karten,footer.site .spalten{grid-template-columns:1fr 1fr}
  .faq{grid-template-columns:1fr}
}
@media (max-width:700px){
  header.site .wrap{gap:10px}
  .logo{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  header.site .btn{padding:0 14px;font-size:14px;white-space:nowrap}
  .burger{display:block}
  #nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--linie);padding:16px 20px}
  #nav.open{display:block}
  #nav ul{flex-direction:column;gap:12px}
  .karten,.row2,footer.site .spalten{grid-template-columns:1fr}
  .seite section{padding:44px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}