/* ============================================================
   FAQ — Split-Layout: Header sticky links, Akkordion rechts.
   Mono-Nummern, linker Brand-Strich on Open.
   ============================================================ */

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.faq-header {
  position: sticky;
  top: clamp(5rem, 8vh, 8rem);
  margin-bottom: 0; /* override default section__header margin */
}

.faq-header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  margin-top: var(--space-md);
  font-family: 'Geist', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-green);
  padding-block: 0.5rem;
  border-bottom: 1.5px solid var(--color-green);
  transition: gap 0.3s ease;
}

.faq-header__cta:hover {
  gap: var(--space-sm);
}

@media (max-width: 880px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 3rem);
  }
  .faq-header {
    position: static;
  }
}

.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border-bold);
  background: var(--color-white);
}

.faq-item {
  border-bottom: 1px solid var(--color-border-bold);
  position: relative;
  transition: background 0.25s ease;
}

.faq-item:last-child { border-bottom: 0; }

/* Linker Brand-Strich — waechst beim Open von oben nach unten */
.faq-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-green);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-item[open]::before {
  transform: scaleY(1);
}

.faq-item[open] {
  background: rgba(2, 72, 2, 0.025);
}

/* ---------- Summary (Frage) ---------- */

.faq-item__q {
  list-style: none;
  cursor: pointer;
  padding: clamp(1.25rem, 2vw, 1.6rem) clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 2vw, 2rem);
  position: relative;
  transition: color 0.2s ease;
}

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

/* Mono-Nummer (FAQ.01 etc.) — ueber span im HTML */
.faq-item__num {
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(81, 89, 98, 0.6);
  flex-shrink: 0;
  width: 4.5rem;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-item__num::before {
  content: '';
  width: 16px;
  height: 1px;
  background: currentColor;
}

.faq-item[open] .faq-item__num,
.faq-item__q:hover .faq-item__num {
  color: var(--color-green);
}

/* Frage-Text */
.faq-item__text {
  flex: 1;
  font-family: 'Geist', sans-serif;
  font-weight: 500;
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.125rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--color-text-strong);
}

/* Plus / Minus Icon rechts */
.faq-item__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-size: 100% 1.5px, 1.5px 100%;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-green);
}

.faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  background-size: 100% 1.5px, 0 100%;
}

/* Pulse-Akzent beim Aufklappen — Brand-gruener Kreis pulst raus */
.faq-item__pulse {
  position: absolute;
  right: clamp(1.5rem, 3vw, 2.5rem);
  top: 50%;
  transform: translateY(-50%) scale(0);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-green);
  opacity: 0;
  pointer-events: none;
}

.faq-item[open] .faq-item__pulse {
  animation: faq-pulse 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes faq-pulse {
  0%   { transform: translateY(-50%) scale(0.4); opacity: 0.55; }
  100% { transform: translateY(-50%) scale(3); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .faq-item[open] .faq-item__pulse { animation: none; }
}

/* ---------- Antwort ---------- */

.faq-item__a {
  padding: 0 clamp(1.5rem, 3vw, 2.5rem) clamp(1.25rem, 2vw, 1.6rem);
  /* Antwort-Text linkt sich an die Frage-Text-Spalte aus */
  padding-left: calc(clamp(1.5rem, 3vw, 2.5rem) + 4.5rem + clamp(1rem, 2vw, 2rem));
}

.faq-item__a p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text);
  max-width: 70ch;
}

@media (max-width: 540px) {
  .faq-item__num {
    width: auto;
    font-size: 0.625rem;
  }
  .faq-item__num::before {
    width: 10px;
  }
  .faq-item__q {
    gap: 0.7rem;
    padding: 1rem 1.25rem;
  }
  .faq-item__text {
    font-size: 0.95rem;
    line-height: 1.35;
  }
  .faq-item__a {
    padding: 0 1.25rem 1rem;
  }
  .faq-item__pulse {
    right: 1.25rem;
  }
}