:root {
  --bg: #ffffff;
  --bg2: #f3f7f8;
  --ink: #1f2a30;
  --ink2: #55646c;
  --line: #dde6e9;
  --brand: #0e5a6b;
  --brand2: #127b90;
  --accent: #fcb400;
  --accent-bg: #fff7e0;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11181c; --bg2: #182227; --ink: #e8eef0; --ink2: #a7b5bb; --line: #2a373d;
    --brand: #5cc3d6; --brand2: #7fd3e2; --accent-bg: #2b2410;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--font); }
a { color: var(--brand2); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { line-height: 1.25; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); margin: .3em 0 .4em; }
h2 { font-size: 1.35rem; margin: 1.8em 0 .5em; }
h3 { font-size: 1.1rem; margin: 0 0 .3em; }
.kicker { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 700; color: var(--brand2); margin: 2rem 0 0; }
.lead { font-size: 1.15rem; color: var(--ink2); }
.klein { font-size: .85rem; color: var(--ink2); }

header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.logo { font-weight: 800; text-decoration: none; color: var(--brand); font-size: 1.1rem; }
.logo span { color: var(--ink2); font-weight: 600; }
nav a { text-decoration: none; color: var(--ink2); margin-left: 14px; font-size: .95rem; white-space: nowrap; }
nav a:first-child { margin-left: 0; }
nav a[aria-current] { color: var(--brand); font-weight: 700; }
@media (max-width: 640px) { nav { width: 100%; overflow-x: auto; } nav a { margin-left: 0; margin-right: 14px; } }

.hero { padding: 1rem 0 .5rem; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 1rem; }
.btn { display: inline-block; background: var(--brand); color: #fff; padding: .7em 1.1em; border-radius: 999px; text-decoration: none; font-weight: 700; }
@media (prefers-color-scheme: dark) { .btn { color: #0b1215; } }
.btn-ghost { background: transparent; color: var(--brand); border: 2px solid var(--brand); }

.schritte ol { padding-left: 1.2em; }
.schritte li { margin-bottom: .6em; }

.kh-box { background: var(--accent-bg); border: 2px solid var(--accent); border-radius: var(--radius); padding: 18px 20px; margin: 2rem 0; }
.kh-box .tag { display: inline-block; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; background: var(--accent); color: #1f2a30; padding: 2px 8px; border-radius: 6px; margin-bottom: 8px; }
.ba-box { background: var(--bg2); border-radius: var(--radius); padding: 16px 20px; margin: 1.5rem 0; }
.ba-box p { margin-top: 0; }

.karten { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.karte { display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; text-decoration: none; color: var(--ink); background: var(--bg); }
.karte:hover { border-color: var(--brand2); }
.karte p { margin: 0; color: var(--ink2); font-size: .95rem; }

.faq details { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; }

.links li, .staedte li { margin: .3em 0; }
.staedte { columns: 2; padding-left: 1.2em; }
@media (min-width: 640px) { .staedte { columns: 3; } }

.anbieter-liste { list-style: none; padding: 0; display: grid; gap: 12px; }
.anbieter { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.anbieter p { margin: .3em 0; }
.meta { color: var(--ink2); font-size: .9rem; }

footer.site { border-top: 1px solid var(--line); margin-top: 3rem; padding: 1.5rem 0 2rem; background: var(--bg2); }
.betreiber { font-size: .95rem; }