/* ===========================================================================
   Anfragestrecke — Schritt-für-Schritt-Darstellung (eine Frage pro Bildschirm),
   wie im Originalformular. Ohne JavaScript werden alle Fragen als klassisches
   Formular untereinander angezeigt; erst .is-enhanced schaltet den Funnel-Modus.
   =========================================================================== */

.funnel {
  position: relative;
}

.funnel-card {
  background: #fff;
  border: 1px solid var(--color-ice);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.75rem 1.5rem;
}
@media (min-width: 768px) {
  .funnel-card {
    padding: 2.5rem 2.75rem;
  }
}

/* --- Fortschrittsanzeige (nur im Funnel-Modus) --------------------------- */
.funnel-progress {
  display: none;
}
.funnel.is-enhanced.is-started .funnel-progress {
  display: block;
  margin-bottom: 1.25rem;
}
.funnel-progress__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}
.funnel-progress__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-700);
}
.funnel-progress__count {
  font-size: 0.85rem;
  font-weight: 600;
  color: #6b7280;
}
.funnel-progress__track {
  height: 6px;
  border-radius: 999px;
  background: var(--color-ice);
  overflow: hidden;
}
.funnel-progress__bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background-image: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-700));
  transition: width 0.35s ease;
}
@media (prefers-reduced-motion: reduce) {
  .funnel-progress__bar {
    transition: none;
  }
}

/* --- Startbildschirm ----------------------------------------------------- */
.funnel-intro {
  display: none;
}
.funnel.is-enhanced .funnel-intro {
  display: block;
  text-align: center;
  padding: 1rem 0 0.5rem;
}
.funnel.is-enhanced.is-started .funnel-intro {
  display: none;
}
.funnel-intro__eyebrow {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-700);
}
.funnel-intro__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.375rem, 1.2rem + 0.9vw, 1.85rem);
  line-height: 1.15;
  color: var(--color-ink);
  margin-top: 0.6rem;
}
.funnel-intro__text {
  max-width: 34rem;
  margin: 0.85rem auto 0;
  color: #4b5563;
  line-height: 1.6;
}
.funnel-intro__btn {
  margin-top: 1.75rem;
}

/* --- Einzelne Frage ------------------------------------------------------ */
.funnel-step__no {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  margin-bottom: 0.5rem;
}
.funnel-q {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.185rem, 1.05rem + 0.8vw, 1.6rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: 1.15rem;
}
.funnel-req {
  color: var(--color-primary-700);
}

/* Option-Cards im Funnel: großzügiger, linksbündiger Text (eine Frage/Screen) */
.funnel-options {
  grid-template-columns: 1fr;
  gap: 0.625rem;
}
@media (min-width: 640px) {
  .funnel-options {
    grid-template-columns: repeat(2, 1fr);
  }
  .funnel-options--wide {
    grid-template-columns: 1fr;
  }
}
.funnel-options .option-card span {
  justify-content: flex-start;
  text-align: left;
  min-height: 3.25rem;
  padding: 0.85rem 1.1rem;
  font-size: 1rem;
}

.funnel-input {
  max-width: 32rem;
}

.funnel-error {
  display: none;
  font-size: 0.9rem;
  color: #b91c1c;
  margin-top: 0.55rem;
}
.funnel-step.has-error .funnel-error {
  display: block;
}
.funnel-step.has-error .form-input {
  border-color: #dc2626;
}

/* Hinweis (z. B. bei "Privat") */
.funnel-notice {
  margin-top: 1rem;
  border: 1px solid var(--color-primary-200);
  background: var(--color-primary-50);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-size: 0.925rem;
  line-height: 1.55;
  color: var(--color-primary-900);
}
.funnel-notice strong {
  font-family: var(--font-heading);
}

.funnel-submit {
  margin-top: 1.75rem;
  width: 100%;
}
@media (min-width: 640px) {
  .funnel-submit {
    width: auto;
  }
}

/* --- Navigation ---------------------------------------------------------- */
.funnel-nav {
  display: none;
}
.funnel.is-enhanced.is-started .funnel-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-ice);
}
.funnel-nav__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 0;
  padding: 0.5rem 0.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: #6b7280;
  cursor: pointer;
  transition: color 0.15s ease;
}
.funnel-nav__back:hover {
  color: var(--color-primary-700);
}
.funnel-nav__back:disabled {
  opacity: 0;
  pointer-events: none;
}
.funnel-nav__next {
  margin-left: auto;
}

/* --- Sichtbarkeit der Schritte ------------------------------------------- */
/* Standard (kein JS): alle Fragen sichtbar, Abstand wie klassisches Formular. */
.funnel-step + .funnel-step {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-ice);
}

/* Funnel-Modus: nur der aktive Schritt ist sichtbar. */
.funnel.is-enhanced .funnel-step {
  display: none;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.funnel.is-enhanced .funnel-step.is-active {
  display: block;
  animation: funnel-fade 0.28s ease;
}
@media (prefers-reduced-motion: reduce) {
  .funnel.is-enhanced .funnel-step.is-active {
    animation: none;
  }
}
@keyframes funnel-fade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}