/* ============================================================
 * promotion.css — landing page styles
 * Editorial cream + pine accent · accordion FAQ
 * ============================================================ */

/* === Artwork section === */
.promo-artwork {
  padding-block: var(--space-xl, 48px);
}
.promo-artwork .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg, 32px);
}
.promo-artwork__frame {
  width: 100%;
  max-width: 720px;
  margin: 0;
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  background: var(--color-cream-deep, #E8E0D0);
  box-shadow: 0 8px 32px rgba(20, 50, 40, 0.08);
}
.promo-artwork__frame img {
  display: block;
  width: 100%;
  height: auto;
  /* Preserve natural aspect ratio of each artwork (mixed 4:5 + 2:3) */
}

/* === FAQ accordion === */
.promo-faq {
  max-width: 720px;
  margin: 0 auto;
}
.promo-faq__head {
  text-align: center;
  margin-bottom: var(--space-lg, 32px);
}
.promo-faq__head h2 {
  margin-top: 14px;
}
.promo-faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.promo-faq__item {
  background: var(--color-cream-soft, #F8F3E8);
  border: 1px solid rgba(20, 50, 40, 0.08);
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.promo-faq__item[open] {
  border-color: rgba(20, 50, 40, 0.18);
  box-shadow: 0 4px 16px rgba(20, 50, 40, 0.06);
}

.promo-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-pine, #143228);
  transition: background .15s ease;
}
.promo-faq__item summary::-webkit-details-marker { display: none; }
.promo-faq__item summary:hover {
  background: rgba(20, 50, 40, 0.03);
}

.promo-faq__q {
  flex: 1;
  font-size: 1.05rem;
  line-height: 1.5;
}

.promo-faq__caret {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-cream-deep, #E8E0D0);
  color: var(--color-pine, #143228);
  font-size: 1.3rem;
  line-height: 1;
  font-weight: 400;
  transition: transform .25s ease, background .15s ease;
}
.promo-faq__item[open] .promo-faq__caret {
  transform: rotate(45deg);
  background: var(--color-pine, #143228);
  color: var(--color-cream-soft, #F8F3E8);
}

.promo-faq__a {
  padding: 0 20px 20px;
  color: var(--color-text, #2A3835);
  line-height: 1.7;
}
.promo-faq__a p + p {
  margin-top: 10px;
}
.promo-faq__a a {
  color: var(--color-pine, #143228);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* === Mobile === */
@media (max-width: 720px) {
  .promo-artwork__frame {
    border-radius: var(--radius-md, 12px);
  }
  .promo-faq__item summary {
    padding: 16px;
  }
  .promo-faq__q {
    font-size: 1rem;
  }
  .promo-faq__a {
    padding: 0 16px 16px;
  }
}
