/* lead2.sale — schlankes Stylesheet, keine externen Abhängigkeiten. */
:root {
  --tinte: #16232e;
  --grau: #5c6b78;
  --linie: #e3e9ee;
  --flaeche: #f4f7f9;
  --akzent: #087e8b;
  --akzent-hell: #e6f3f5;
  --akzent-dunkel: #0b3954;
  --weiss: #ffffff;
  --radius: 12px;
  --schatten: 0 1px 2px rgba(11, 57, 84, 0.06), 0 8px 24px rgba(11, 57, 84, 0.08);
  --schatten-gross: 0 2px 4px rgba(11, 57, 84, 0.08), 0 16px 40px rgba(11, 57, 84, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--tinte);
  background: var(--weiss);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--akzent); }
h1, h2, h3, h4 { line-height: 1.2; color: var(--akzent-dunkel); letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); margin-top: 2.4rem; }

.innen { max-width: 1080px; margin: 0 auto; padding: 0 1.2rem; }
.schmal { max-width: 760px; }
.mittig { text-align: center; }

/* ── Kopf mit CSS-only-Burger (mobil) ─────────────────────────────── */
.kopf {
  border-bottom: 1px solid var(--linie);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.kopfzeile {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1.2rem; gap: 1rem;
  max-width: 1080px; margin: 0 auto;
}
.marke img { display: block; }
.hauptnav { display: flex; gap: 1.4rem; align-items: center; }
.hauptnav a {
  color: var(--tinte); text-decoration: none; font-weight: 500;
  padding: 0.35rem 0; border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.hauptnav a:hover { color: var(--akzent); border-bottom-color: var(--akzent); }
.hauptnav a.knopf { border-bottom: none; }
.nav-schalter { display: none; }
.nav-knopf {
  display: none; cursor: pointer; padding: 0.5rem;
  border: 1px solid var(--linie); border-radius: 8px; line-height: 0;
}
.nav-knopf svg { width: 22px; height: 22px; stroke: var(--akzent-dunkel); }

@media (max-width: 760px) {
  .nav-knopf { display: block; }
  .hauptnav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--weiss); border-bottom: 1px solid var(--linie);
    box-shadow: var(--schatten);
    padding: 0.4rem 1.2rem 1rem;
  }
  .nav-schalter:checked ~ .hauptnav { display: flex; }
  .hauptnav a { padding: 0.85rem 0.2rem; font-size: 1.05rem; border-bottom: 1px solid var(--linie); }
  .hauptnav a:last-child { border-bottom: none; margin-top: 0.6rem; text-align: center; }
}

/* ── Knöpfe ───────────────────────────────────────────────────────── */
.knopf {
  display: inline-block;
  background: var(--akzent);
  color: var(--weiss) !important;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(8, 126, 139, 0.28);
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}
.knopf:hover { background: var(--akzent-dunkel); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(11, 57, 84, 0.3); }
.knopf:active { transform: translateY(0); }
.knopf.sekundaer { background: var(--weiss); color: var(--akzent) !important; border: 2px solid var(--akzent); box-shadow: none; }
.knopf.sekundaer:hover { background: var(--akzent-hell); }
.knopf.invers { background: var(--weiss); color: var(--akzent-dunkel) !important; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25); }
.knopf.klein { padding: 0.45rem 1.05rem; font-size: 0.95rem; }
:is(a, button, summary, input, textarea):focus-visible { outline: 3px solid var(--akzent); outline-offset: 2px; }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  background:
    radial-gradient(1000px 420px at 85% -10%, var(--akzent-hell), transparent 65%),
    linear-gradient(180deg, var(--flaeche), var(--weiss));
  padding: clamp(2.6rem, 7vw, 4.5rem) 0 clamp(2rem, 5vw, 3rem);
}
.hero h1 { font-size: clamp(2.1rem, 5.5vw, 3rem); margin: 0 0 1rem; max-width: 820px; }
.untertitel { font-size: clamp(1.02rem, 2.4vw, 1.18rem); color: var(--grau); max-width: 720px; }
.cta-reihe { display: flex; gap: 0.9rem; margin: 1.7rem 0 1.2rem; flex-wrap: wrap; }
.hero-merkmale { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0; list-style: none; }
.hero-merkmale li {
  background: var(--weiss); border: 1px solid var(--linie); border-radius: 999px;
  padding: 0.3rem 0.85rem; font-size: 0.88rem; color: var(--grau);
}
@media (max-width: 600px) {
  .cta-reihe .knopf { width: 100%; text-align: center; }
}

/* ── Karten ───────────────────────────────────────────────────────── */
.karten { display: grid; gap: 1.2rem; margin: 1.6rem 0; }
.karten.drei { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.karte {
  border: 1px solid var(--linie); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; background: var(--weiss);
  box-shadow: var(--schatten);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  display: flex; flex-direction: column;
}
.karte:hover { transform: translateY(-3px); box-shadow: var(--schatten-gross); border-color: var(--akzent); }
.karte h3 { margin: 0.4rem 0 0.5rem; }
.karte p { flex: 1; margin-top: 0; color: var(--grau); }
.karte a { font-weight: 600; text-decoration: none; }
.karte a:hover { text-decoration: underline; }
.karten-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--akzent-hell); color: var(--akzent);
  display: flex; align-items: center; justify-content: center;
}
.karten-icon svg { width: 24px; height: 24px; }

/* ── Bänder / Prozess ─────────────────────────────────────────────── */
.band { background: var(--flaeche); padding: clamp(2rem, 5vw, 3rem) 0; margin: 2.8rem 0; }
.band.akzent {
  background: linear-gradient(135deg, var(--akzent-dunkel), #0d5068);
  color: var(--weiss);
}
.band.akzent h2 { color: var(--weiss); }
.band.akzent p { color: #d9e6ec; max-width: 640px; margin-left: auto; margin-right: auto; }
.band h2:first-child, .band .innen > h2:first-child { margin-top: 0; }

.prozess { max-width: 780px; padding: 0; margin: 1.4rem 0 0; list-style: none; counter-reset: schritt; }
.prozess li {
  counter-increment: schritt;
  position: relative;
  padding: 0 0 1.3rem 3.4rem;
  margin: 0;
}
.prozess li::before {
  content: counter(schritt);
  position: absolute; left: 0; top: -0.15rem;
  width: 2.3rem; height: 2.3rem; border-radius: 50%;
  background: var(--akzent); color: var(--weiss);
  font-weight: 700; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(8, 126, 139, 0.3);
}
.prozess li:not(:last-child)::after {
  content: "";
  position: absolute; left: 1.12rem; top: 2.3rem; bottom: 0;
  width: 2px; background: var(--linie);
}

/* ── Gründer ──────────────────────────────────────────────────────── */
.gruender {
  display: flex; gap: 1.8rem; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--linie); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--schatten); background: var(--weiss);
}
.gruender img { border-radius: 50%; flex-shrink: 0; border: 4px solid var(--akzent-hell); }
.gruender h2 { margin-top: 0; }

/* ── FAQ ──────────────────────────────────────────────────────────── */
details {
  border: 1px solid var(--linie); border-radius: var(--radius);
  padding: 0; margin-bottom: 0.7rem; background: var(--weiss);
  transition: border-color 0.15s;
}
details:hover { border-color: var(--akzent); }
details summary {
  cursor: pointer; font-weight: 600; color: var(--akzent-dunkel);
  padding: 0.95rem 2.6rem 0.95rem 1.15rem;
  list-style: none; position: relative;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "";
  position: absolute; right: 1.05rem; top: 50%;
  width: 0.6rem; height: 0.6rem;
  border-right: 2px solid var(--akzent); border-bottom: 2px solid var(--akzent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s;
}
details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details > *:not(summary) { padding: 0 1.15rem; }
details > p:last-child { padding-bottom: 1rem; margin-top: 0; }

/* ── Formulare ────────────────────────────────────────────────────── */
.formularblock {
  border: 1px solid var(--linie); border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 1.8rem); margin: 2rem 0;
  background: var(--flaeche); box-shadow: var(--schatten);
}
.formularblock h3 { margin-top: 0; }
form label { display: block; margin-bottom: 0.9rem; font-weight: 600; font-size: 0.95rem; }
form input, form textarea {
  display: block; width: 100%; margin-top: 0.3rem;
  padding: 0.7rem 0.9rem; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--linie); border-radius: 8px; background: var(--weiss);
  transition: border-color 0.15s, box-shadow 0.15s;
}
form input:focus, form textarea:focus {
  outline: none; border-color: var(--akzent);
  box-shadow: 0 0 0 3px rgba(8, 126, 139, 0.15);
}
.feldreihe { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
@media (max-width: 600px) {
  .feldreihe { grid-template-columns: 1fr; }
  form button.knopf { width: 100%; }
}
.formular-status { min-height: 1.4rem; color: var(--grau); }
.erfolg { font-weight: 600; color: var(--akzent-dunkel); font-size: 1.05rem; }
.hinweis { background: var(--flaeche); border-radius: var(--radius); padding: 0.9rem 1.1rem; }
/* Honeypot: für Menschen unsichtbar, für Screenreader ausgeblendet. */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ── Quiz ─────────────────────────────────────────────────────────── */
.quizblock { margin: 2rem 0; }
.quiz-fortschritt { color: var(--grau); font-size: 0.9rem; margin-bottom: 0.35rem; }
.quiz-balken {
  height: 6px; border-radius: 999px; background: var(--linie);
  overflow: hidden; margin-bottom: 1.2rem;
}
.quiz-balken > span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--akzent), var(--akzent-dunkel));
  border-radius: 999px; transition: width 0.25s ease;
}
#quiz-frage { margin-top: 0; }
.quiz-antworten { display: grid; gap: 0.75rem; margin-top: 1.2rem; }
.quiz-option {
  text-align: left; padding: 1rem 1.15rem; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--linie); border-radius: var(--radius);
  background: var(--weiss); cursor: pointer; color: var(--tinte);
  box-shadow: var(--schatten);
  transition: border-color 0.12s, transform 0.1s, box-shadow 0.12s, background 0.12s;
}
.quiz-option:hover {
  border-color: var(--akzent); background: var(--akzent-hell);
  transform: translateY(-1px); box-shadow: var(--schatten-gross);
}
.ergebnis-karte {
  border: 1px solid var(--linie); border-left: 6px solid var(--akzent);
  border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--schatten);
  background: var(--weiss); margin-bottom: 1.4rem;
}
.ergebnis-karte h2 { margin: 0 0 0.5rem; }
.ergebnis-karte p { margin: 0; color: var(--grau); }

/* ── Inhalt (generische Seiten) ───────────────────────────────────── */
.inhalt { padding: clamp(1.8rem, 4vw, 2.8rem) 0 3rem; }
.inhalt h1 { margin-top: 0; }

/* ── Fuß ──────────────────────────────────────────────────────────── */
.fuss { border-top: 1px solid var(--linie); background: var(--akzent-dunkel); color: #b9cdd8; margin-top: 3.5rem; }
.fuss a { color: #ffffff; text-decoration: none; }
.fuss a:hover { text-decoration: underline; }
.fuss h4 { color: #ffffff; margin: 0 0 0.6rem; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; }
.fussraster { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1.8rem; padding: 2.6rem 1.2rem 1.2rem; }
.fuss ul { list-style: none; padding: 0; margin: 0; }
.fuss li { margin-bottom: 0.45rem; font-size: 0.95rem; }
.tagline { font-size: 0.95rem; }
.fusszeile { padding: 1rem 1.2rem 1.6rem; font-size: 0.85rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }

/* Ruhige Animationen respektieren Systemeinstellung. */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}