/* ============================================================
   faq-section.css — Marcher Lab. Shared FAQ Section
   Version: 1.0 | 2026-06-11
   Deployment: alle Marketing-Seiten unter /shared/faq-section.css

   Verwendung in HTML:
     <section class="ml-faq"
              data-eyebrow="FAQ"
              data-title="Deine Fragen">
     </section>
     <script>window.FAQ_DATA = [ { q: '...', a: '...' }, ... ];</script>
     <script src="/shared/faq-renderer.js"></script>

   Verhalten:
     - Initial komplett zugeklappt: nur Eyebrow + Titel + Plus-Button sichtbar
     - Klick auf Plus-Button: Liste klappt auf (Fragen sichtbar, aber zu)
     - Klick auf Frage: einzelne Antwort klappt auf
     - URL-Hash #faq oder Klick auf <a href="#faq">: Liste klappt auf + Scroll
   ============================================================ */

/* ── SECTION ───────────────────────────────────────────────── */
.ml-faq {
  background: var(--white);
  padding: 5.5rem 0;
  border-top: 1px solid var(--border);
  position: relative;
}

/* Wenn die FAQ als letzte Section vor dem Footer steht, braucht es keinen
   doppelten Border bei der nachfolgenden Footer-Section. Das regelt der Footer. */

/* ── INNER WRAPPER ─────────────────────────────────────────── */
.ml-faq-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 2rem;
  box-sizing: border-box;
  width: 100%;
}

/* ── HEAD (Eyebrow + Titel + Toggle-Button) ─────────────────── */
.ml-faq-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1.5rem;
  margin-bottom: 0;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
  transition: padding-bottom 0.3s ease;
}

.ml-faq-head-text {
  min-width: 0;
}

.ml-faq-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 0.6rem;
}

.ml-faq-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0;
}

.ml-faq-title-dot {
  color: var(--gold);
}

.ml-faq-lead {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 520px;
}

/* ── TOGGLE BUTTON (Plus / Minus) ──────────────────────────── */
.ml-faq-toggle {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border-dark);
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-family: inherit;
  padding: 0;
  position: relative;
}

.ml-faq-toggle:hover {
  border-color: var(--gold);
  background: var(--gold-light);
  transform: scale(1.05);
}

.ml-faq-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.ml-faq-toggle-icon {
  width: 16px;
  height: 16px;
  position: relative;
}

.ml-faq-toggle-icon::before,
.ml-faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s ease;
}

/* Horizontaler Strich */
.ml-faq-toggle-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

/* Vertikaler Strich */
.ml-faq-toggle-icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}

/* Wenn Liste offen: + wird zu × (45° gedreht) */
.ml-faq.is-open .ml-faq-toggle-icon::before {
  transform: translateY(-50%) rotate(45deg);
}
.ml-faq.is-open .ml-faq-toggle-icon::after {
  transform: translateX(-50%) rotate(45deg);
}

.ml-faq-toggle-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 0.85rem;
  white-space: nowrap;
  transition: color 0.2s;
}

.ml-faq.is-open .ml-faq-toggle-label::before {
  content: 'Schliessen';
}
.ml-faq:not(.is-open) .ml-faq-toggle-label::before {
  content: 'Anzeigen';
}

.ml-faq-toggle-wrap {
  display: flex;
  align-items: center;
}

/* ── LIST (initial collapsed) ──────────────────────────────── */
.ml-faq-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
  opacity: 0;
  margin-top: 0;
}

.ml-faq.is-open .ml-faq-list {
  max-height: 4000px;        /* gross genug für alle FAQs */
  opacity: 1;
  margin-top: 1.5rem;
}

/* ── ITEM (details/summary) ────────────────────────────────── */
.ml-faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  transition: background 0.2s;
}

.ml-faq-item[open] {
  background: linear-gradient(to right, var(--bg) 0%, transparent 100%);
  padding-left: 0.85rem;
  padding-right: 0.85rem;
  border-radius: 4px;
}

.ml-faq-q {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s;
}

.ml-faq-q:hover {
  color: var(--gold-dark);
}

.ml-faq-q::-webkit-details-marker {
  display: none;
}

/* Chevron Icon */
.ml-faq-q-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.25s ease, color 0.2s;
}

.ml-faq-item[open] .ml-faq-q-icon {
  transform: rotate(180deg);
  color: var(--gold-dark);
}

.ml-faq-q:hover .ml-faq-q-icon {
  color: var(--gold-dark);
}

/* Answer */
.ml-faq-a {
  margin-top: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-size: 0.94rem;
}

.ml-faq-a a {
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  text-decoration: none;
  transition: color 0.2s;
}

.ml-faq-a a:hover {
  color: var(--gold-dark);
}

.ml-faq-a strong {
  color: var(--text);
  font-weight: 700;
}

/* ── MOBILE ────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .ml-faq {
    padding: 4rem 0;
  }
  .ml-faq-inner {
    padding: 0 1.25rem;
  }
  .ml-faq-head {
    gap: 1rem;
    padding-bottom: 1.5rem;
  }
  .ml-faq-toggle {
    width: 40px;
    height: 40px;
  }
  .ml-faq-toggle-label {
    display: none;        /* Nur Icon auf Mobile */
  }
  .ml-faq-q {
    font-size: 0.95rem;
  }
  .ml-faq-a {
    font-size: 0.9rem;
  }
}

/* ── REDUCED MOTION ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .ml-faq-list,
  .ml-faq-toggle-icon::before,
  .ml-faq-toggle-icon::after,
  .ml-faq-q-icon,
  .ml-faq-toggle {
    transition: none;
  }
}