/* Shared FAQ component.
 * c- classes define structure; product modifiers only provide theme/layout values. */

.c-faq {
  --c-faq-accent: var(--c-mint);
  --c-faq-accent-soft: var(--c-mint-soft);
  --c-faq-focus: var(--c-sun);
  --c-faq-section-background: transparent;
  --c-faq-list-gap: clamp(var(--fs-sm), 0.5vw + 12px, var(--fs-md));
  padding: 80px 0;
  scroll-margin-top: 72px;
  background: var(--c-faq-section-background);
}

.c-faq__inner {
  display: flex;
  width: min(var(--container-max), 100%);
  padding-inline: 16px;
  margin-inline: auto;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.c-faq__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-primary);
  text-align: center;
}

.c-faq__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 24px;
  border-radius: var(--r-pill);
  background: var(--c-faq-accent-soft);
  color: var(--c-faq-accent);
  font-size: clamp(var(--fs-sm), 0.5vw + var(--fs-xs), var(--fs-md));
  font-weight: var(--weight-extra-bold);
  line-height: 1.2;
}

.c-faq__title {
  margin: clamp(var(--fs-xs), 0.5vw + 8px, var(--fs-md)) 0 0;
  color: var(--text-primary);
  font-size: clamp(var(--fs-2xl), 2vw + var(--fs-md), var(--fs-5xl));
  font-weight: var(--weight-extra-bold);
  line-height: 1.3;
}

.c-faq__lead {
  margin: clamp(var(--fs-sm), 0.5vw + 8px, var(--fs-md)) 0 0;
  color: var(--text-primary);
  font-size: clamp(var(--fs-sm), 0.5vw + var(--fs-xs), var(--fs-md));
  font-weight: var(--weight-medium);
  line-height: 1.8;
}

.c-faq__list {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: var(--c-faq-list-gap);
}

.c-faq-item {
  padding: 24px 32px;
  border: 4px solid transparent;
  border-radius: var(--r-xl);
  background: var(--bg-base);
  color: var(--text-primary);
  transition: var(--transition-base);
  &:hover {
    transform: translateY(2px);
  }
  &[open] {
    border-color: var(--c-faq-accent);
  }
}

.c-faq-item__summary {
  display: flex;
  align-items: center;
  gap: 32px;
  cursor: pointer;
  list-style: none;
  &::-webkit-details-marker {
    display: none;
  }
  &:focus-visible {
    border-radius: var(--r-sm);
    outline: 3px solid var(--c-faq-focus);
    outline-offset: 8px;
  }
}

.c-faq-item__number {
  position: relative;
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--c-faq-accent);
  color: var(--text-inverse);
  font-size: var(--fs-md);
  font-weight: var(--weight-extra-bold);
  line-height: 1.6;
}

.c-faq-item__sparkle {
  position: absolute;
  top: -10px;
  left: 35px;
  width: 16px;
  height: 16px;
  color: var(--c-faq-accent);
  pointer-events: none;
  transform: rotate(-80deg) scaleY(-1);
  svg {
    display: block;
    width: 100%;
    height: 100%;
  }
}

.c-faq-item__question {
  flex: 1;
  min-width: 0;
  color: var(--text-primary);
  font-size: clamp(var(--fs-md), 0.5vw + var(--fs-xs), var(--fs-xl));
  font-weight: var(--weight-bold);
  line-height: 1.3;
}

.c-faq-item__toggle {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--c-faq-accent-soft);
  pointer-events: none;
}

.c-faq-item__toggle-icon {
  position: relative;
  width: 16px;
  height: 16px;
  &::before,
  &::after {
    position: absolute;
    border-radius: 0px;
    background: var(--c-faq-accent);
    content: "";
  }
  &::before {
    top: 50%;
    left: 0;
    width: 16px;
    height: 2px;
    transform: translateY(-50%);
  }
  &::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 16px;
    transform: translateX(-50%);
    transition: opacity 0.2s ease;
  }
}

.c-faq-item {
  &[open] .c-faq-item__toggle-icon::after {
    opacity: 0;
  }
}

.c-faq-item__body {
  padding-inline: 72px;
  margin: 8px 0 0;
  color: var(--text-primary);
  font-size: var(--fs-md);
  font-weight: var(--weight-medium);
  line-height: 1.8;
}

.c-faq--bananaunchi {
  --c-faq-accent: var(--bu-text-brown);
  --c-faq-accent-soft: var(--bu-banana-base);
  --c-faq-section-background: var(--bu-bg-paper);
}

@media (max-width: 768px) {
  .c-faq {
    padding: 40px 0;
  }
  .c-faq__inner {
    max-width: 480px;
    gap: 32px;
  }
  .c-faq__eyebrow {
    padding: 8px 24px;
  }
  .c-faq__lead {
    font-size: clamp(var(--fs-xs), 0.5vw + var(--fs-sm), var(--fs-sm));
    br {
      display: none;
    }
  }
  .c-faq-item {
    padding: 16px 8px;
    border-width: 2px;
    border-radius: var(--r-lg);
  }
  .c-faq-item__summary {
    gap: 16px;
  }
  .c-faq-item__number,
  .c-faq-item__toggle {
    transform: scale(0.8);
  }
  .c-faq-item__body {
    padding: 0;
    font-size: var(--fs-sm);
    line-height: 1.6;
  }
}