:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#4b5563;
  --brand:#00727d;
  --brand-dark:#00555d;
  --card:#f9fafb;
  --border:#e5e7eb;
}

*{box-sizing:border-box}
html,body{
  margin:0; padding:0;
  background:var(--bg); color:var(--text);
  font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.55;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

header,main,footer{width:100%}
.container{max-width:1120px;margin-inline:auto;padding:clamp(16px,2.5vw,28px)}

/* Topbar: zentriertes Logo */
.topbar{display:flex;align-items:center;justify-content:center}
.brand img{display:block}

/* HERO: KEIN Hintergrund, nur Text/Bild */
.hero{
  padding:24px 0;
  text-align:center;
  background:transparent;          /* fix: kein grauer Hintergrund */
  border-bottom:1px solid var(--border);
}
.hero p{
  color:var(--muted);
  font-size:clamp(1rem,1.6vw,1.125rem);
  margin:12px 0 16px;
}
.hero .cta{
  margin-top:12px;
  display:inline-flex;
  gap:10px;
  align-items:center;
  justify-content:center;
}

/* Standard-Button (DE) */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid var(--border);
  background:#fff;
  padding:.6rem .9rem;             /* Basis für Höhe */
  border-radius:.75rem;
  font-weight:600;
  color:var(--brand);
  transition:background .2s, transform .15s, border-color .2s, color .2s;
}
.btn:hover{
  border-color:var(--brand);
  background:var(--brand);
  color:#fff;
  transform:translateY(-2px);
}

/* EN-Flaggenbutton – exakt gleiche Höhe wie .btn
   (gilt für Hero-Flaggenbutton .flag-btn UND für Karten .alt-lang a) */
.flag-btn,
.card .actions .alt-lang a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  background:#fff;
  padding:.6rem .9rem;              /* gleiche Höhe wie .btn */
  border-radius:.75rem;
  transition:background .2s, transform .15s, border-color .2s;
}
.flag-btn:hover,
.card .actions .alt-lang a:hover{
  border-color:var(--brand);
  background:var(--brand);
  transform:translateY(-2px);
}
.flag-btn svg,
.card .actions .alt-lang svg{
  width:24px;                       /* harmoniert mit Buttonhöhe */
  height:16px;
  display:block;
}

/* Grid: max. 2 Spalten */
.grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:18px}
@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}

/* Karten – Inhalte mittig */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  text-align:center;
}
.card a.card-image{display:block;line-height:0}
.card .content{padding:14px 14px 16px}
.card h3{margin:0 0 10px;font:700 1.05rem/1.25 "Roboto Condensed",sans-serif}
.card p{margin:0 0 14px;color:var(--muted);font-size:.98rem}
.card .actions{
  margin-top:auto;
  padding:0 14px 16px;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;                          /* DE- & EN-Button nebeneinander */
}

/* Social */
.social{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.social a{border:1px solid var(--border);padding:.5rem .75rem;border-radius:999px;background:#fff;color:var(--brand)}

/* Footer */
footer{background:var(--brand-dark);color:#fff;margin-top:28px}
footer a{color:#fff}
.footer-meta{color:#cbd5e1}
address{font-style:normal}

/* Accessibility */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}