:root {
  --tinte: #1f2430;
  --tinte-leise: #5a6072;
  --grund: #faf8f4;
  --karte: #ffffff;
  --akzent: #2b4a8b;
  --akzent-dunkel: #1f3766;
  --linie: #e6e1d8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--grund);
  color: var(--tinte);
  font-family: "Newsreader", Georgia, serif;
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: "onum";
}
.bahn { max-width: 40rem; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
section { padding: 1.5rem 0; }
@media (max-width: 640px) { section { padding: 1.5rem 0; } }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; font-weight: 600; margin: 0 0 1rem; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.45rem; margin-top: 0; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
@media (max-width: 640px) { h1 { font-size: 2.1rem; } }
p { margin: 0 0 1.2rem; }
.leise { color: var(--tinte-leise); }
a { color: var(--akzent); }

.marke {
  padding-top: 1.2rem;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--tinte-leise);
}
.marke a { color: inherit; text-decoration: none; }

.hero { padding-top: 1.4rem; padding-bottom: 1.2rem; }
.hero p.unterzeile { font-size: 1.05rem; max-width: 40rem; }

.knopf {
  display: inline-block;
  background: var(--akzent);
  color: #fff;
  text-decoration: none;
  padding: 0.85rem 1.9rem;
  border-radius: 6px;
  margin-top: 1.2rem;
  white-space: nowrap;
}
.knopf:hover { background: var(--akzent-dunkel); }
.knopf-hinweis { margin-top: 0.8rem; color: var(--tinte-leise); }

.mailkarte {
  background: var(--karte);
  border: 1px solid var(--linie);
  border-radius: 10px;
  padding: 1.8rem 2rem 1.5rem;
  margin-top: 1.2rem;
  box-shadow: 0 2px 14px rgba(31, 36, 48, 0.05);
}
@media (max-width: 640px) { .mailkarte { padding: 1.5rem 1.2rem; } }
.mailkopf {
  border-bottom: 1px solid var(--linie);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  color: var(--tinte-leise);
}
.mailkopf strong { color: var(--tinte); font-weight: 600; }
.mailkarte em { font-style: italic; }

.wochen { list-style: none; counter-reset: woche; margin: 1rem 0 0; padding: 0; }
.wochen li {
  counter-increment: woche;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--linie);
  display: flex;
  gap: 1.3rem;
  align-items: baseline;
}
.wochen li::before {
  content: counter(woche);
  font-size: 1.35rem;
  color: var(--akzent);
  min-width: 1.4rem;
  font-feature-settings: "tnum";
}
.wochen .titel { font-weight: 600; }

.quellen { font-style: italic; max-width: 36rem; }

.preisblock {
  background: var(--karte);
  border: 1px solid var(--linie);
  border-radius: 10px;
  padding: 2rem 2.5rem;
  text-align: center;
}
.preis { font-size: 2.6rem; font-weight: 600; margin-bottom: 0.3rem; font-feature-settings: "lnum"; }

.fragen dt { font-weight: 600; margin-top: 1.6rem; }
.fragen dd { margin: 0.3rem 0 0; }

.rechtstext { padding-top: 3rem; }
.rechtstext h1 { font-size: 2rem; }

footer {
  border-top: 1px solid var(--linie);
  padding: 1.5rem 0 2rem;
  color: var(--tinte-leise);
}
footer a { color: var(--tinte-leise); }

.kursliste { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 1.2rem; }
@media (max-width: 860px) { .kursliste { grid-template-columns: 1fr; } }
.kurs {
  background: var(--karte);
  border: 1px solid var(--linie);
  border-radius: 10px;
  padding: 1.3rem 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 14px rgba(31, 36, 48, 0.04);
}
.kurs p { flex-grow: 1; }
.etikett {
  align-self: flex-start;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: #2f6b46;
  margin-bottom: 0.6rem;
}
.etikett.bald { color: var(--tinte-leise); }
.kursfuss {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--linie);
  padding-top: 1rem;
  margin-top: 0.5rem;
  gap: 0.8rem;
}
.kursfuss .eckdaten { white-space: nowrap; }
.kursfuss .knopf { margin-top: 0; padding: 0.6rem 1.3rem; }
.kursfuss .eckdaten { color: var(--tinte-leise); }
.kurs.bald { background: transparent; box-shadow: none; border-style: dashed; }
.knopf.zweit {
  background: transparent;
  color: var(--akzent);
  border: 1px solid var(--akzent);
}
.knopf.zweit:hover { background: #eef1f8; }


.knopf.zweit { background: transparent; color: var(--akzent); border: 1px solid var(--akzent); }

.hinweis {
  background: var(--karte);
  border: 1px solid var(--linie);
  border-left: 4px solid var(--akzent);
  border-radius: 6px;
  padding: 0.9rem 1.2rem;
  margin-top: 1.4rem;
}
.schritte { padding-left: 1.3rem; margin: 0 0 1.2rem; }
.schritte li { margin-bottom: 0.9rem; }

/* Katalog: breite Bahn, drei Karten mit Bild */
.bahn.breit { max-width: 66rem; }
.hero.bahn.breit h1 { font-size: 2.6rem; margin: 0.6rem 0 2rem; }
@media (max-width: 640px) { .hero.bahn.breit h1 { font-size: 2.1rem; } }
.kursliste.drei { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; margin-top: 0; }
@media (max-width: 960px) { .kursliste.drei { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .kursliste.drei { grid-template-columns: 1fr; } }
a.kurs { color: inherit; text-decoration: none; padding: 1.6rem 1.7rem 1.5rem; transition: transform 0.15s ease, box-shadow 0.15s ease; }
a.kurs:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(31, 36, 48, 0.08); }
.kursbild { margin: -0.4rem 0 1rem; }
.kursbild svg { display: block; width: 100%; height: auto; max-height: 170px; }
.katalog { padding-top: 1.6rem; }

/* Kursseiten: zweispaltiger Kopf, Fakten, aufklappbare Bloecke */
.kurshero { display: grid; grid-template-columns: 3fr 2fr; gap: 3rem; align-items: center; padding-top: 1.2rem; padding-bottom: 2rem; }
@media (max-width: 860px) { .kurshero { grid-template-columns: 1fr; gap: 1.5rem; } .herobild { order: -1; max-width: 18rem; } }
.kurshero h1 { font-size: 2.2rem; }
.herobild img { display: block; width: 100%; height: auto; }
.fakten { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 640px) { .fakten { grid-template-columns: 1fr; } }
.fakt { background: var(--karte); border: 1px solid var(--linie); border-radius: 10px; padding: 1.1rem 1.3rem; display: flex; flex-direction: column; gap: 0.15rem; }
.faktwert { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
.faktname { color: var(--tinte-leise); }
.fuerwen { background: var(--karte); border: 1px solid var(--linie); border-left: 4px solid var(--akzent); border-radius: 6px; padding: 0.9rem 1.2rem; margin: 0; }
.wochen.zweispaltig { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2.5rem; }
@media (max-width: 860px) { .wochen.zweispaltig { grid-template-columns: 1fr; } }
.klapp { border-top: 1px solid var(--linie); padding: 0.4rem 0; }
.klapp:last-of-type { border-bottom: 1px solid var(--linie); }
.klapp summary { cursor: pointer; font-size: 1.25rem; font-weight: 600; padding: 0.8rem 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.klapp summary::-webkit-details-marker { display: none; }
.klapp summary::after { content: "+"; color: var(--akzent); font-size: 1.5rem; font-weight: 400; }
.klapp[open] summary::after { content: "–"; }
.klapp > *:not(summary) { margin-bottom: 1.2rem; }
.klapp summary.frage, .klapp summary { font-size: 1.15rem; }