/* Product detail pages */

.page-product {
  background: #f7f6ef;
}

.pd {
  padding: 18px 0 72px;
}

.pd__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 1.35rem;
  color: var(--green);
  font-weight: 700;
  font-size: 0.95rem;
}

.pd__back:hover {
  opacity: 0.75;
}

/* —— Hero (gallery + info + buy) —— */
.pd__hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.05fr) minmax(260px, 0.85fr);
  gap: 1.35rem 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.pd-media {
  display: grid;
  gap: 0.85rem;
}

.pd-gallery.store-carousel {
  position: relative;
  border-radius: 24px;
  border: none;
  box-shadow: 0 18px 40px rgba(24, 61, 42, 0.1);
  aspect-ratio: 860 / 520;
  background: #fff;
  overflow: hidden;
}

.pd-gallery .store-carousel__slide img {
  object-fit: cover;
  object-position: center;
  background: #fff;
}

/* Portrait product galleries — full image, no crop */
.page-portrait-gallery .pd-gallery.store-carousel,
.page-reading-school .pd-gallery.store-carousel {
  aspect-ratio: 3 / 4;
  max-width: 440px;
}

.page-portrait-gallery .pd-gallery .store-carousel__slide img,
.page-reading-school .pd-gallery .store-carousel__slide img {
  object-fit: contain;
  object-position: center;
  background: #f7f4ea;
}

.page-portrait-gallery .pd-thumbs__btn,
.page-reading-school .pd-thumbs__btn {
  width: 54px;
  height: 72px;
}

.page-portrait-gallery .pd-thumbs__btn img,
.page-reading-school .pd-thumbs__btn img {
  object-fit: contain;
  background: #f7f4ea;
}

.pd-gallery .store-carousel__btn {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 20px rgba(24, 61, 42, 0.14);
  font-size: 1.35rem;
  color: #4a5560;
}

.pd-gallery .store-carousel__btn--prev {
  left: 12px;
}

.pd-gallery .store-carousel__btn--next {
  right: 12px;
}

.pd-gallery .store-carousel__dots {
  display: none;
}

.pd-gallery__badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  margin: 0;
  max-width: min(78%, 280px);
  padding: 0.55rem 0.8rem 0.55rem 0.7rem;
  border-radius: 999px;
  background: rgba(35, 77, 54, 0.92);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
  box-shadow: 0 8px 18px rgba(24, 61, 42, 0.22);
}

.pd-gallery__badge span {
  display: block;
  font-weight: 500;
  opacity: 0.9;
  font-size: 0.68rem;
  margin-top: 0.1rem;
}

.pd-thumbs {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.pd-thumbs__btn {
  flex: 0 0 auto;
  width: 72px;
  height: 54px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(24, 61, 42, 0.08);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.pd-thumbs__btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pd-thumbs__btn:hover {
  transform: translateY(-1px);
}

.pd-thumbs__btn.is-active {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.18);
}

/* —— Info column —— */
.pd-info {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.pd-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.pd-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.pd-tag--green {
  background: var(--green);
  color: #fff;
}

.pd-tag--mint {
  background: #dcefd2;
  color: var(--green-dark);
}

.pd-pill {
  display: inline-flex;
  margin: 0;
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  background: #e8f3ef;
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.pd-info h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
  line-height: 1.2;
  color: #1a2f3d;
}

.pd-info__lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.98rem;
}

.pd-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

.pd-features li {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green-dark);
  line-height: 1.35;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.pd-features__icon {
  flex-shrink: 0;
  align-self: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.7rem;
  background: var(--white);
  color: var(--green);
  display: grid;
  place-items: center;
}

.pd-features li > span:not(.pd-features__icon) {
  align-self: center;
  margin: 0;
  padding: 0;
}

.pd-features__icon svg {
  width: 1.05rem;
  height: 1.05rem;
}

/* —— Buy sidebar —— */
.pd-col--side {
  display: grid;
  gap: 1rem;
}

.pd__grid .pd-col--side {
  position: sticky;
  top: calc(var(--header) + 12px);
  align-self: start;
}

.pd-card {
  background: #fff;
  border: 1px solid rgba(35, 77, 54, 0.07);
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(24, 61, 42, 0.07);
  padding: 1.2rem 1.25rem;
}

.pd-card--soft {
  background: var(--green-wash);
  border-color: transparent;
  box-shadow: none;
}

.pd-card__title {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
  color: #1a2f3d;
}

.pd-buy {
  padding: 1.35rem 1.3rem;
}

.pd-buy .price {
  margin-bottom: 1.05rem;
}

.pd-buy .price__main {
  font-size: 1.85rem;
  color: #1a2f3d;
  letter-spacing: -0.03em;
}

.pd-buy .price__approx {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.pd-buy .price__note {
  display: block;
  margin-top: 0.2rem;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 700;
}

.pd-buy__actions {
  display: grid;
  gap: 0.7rem;
}

.pd-buy__actions .btn {
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 0.55rem;
  white-space: normal;
  text-align: center;
  border-radius: 14px;
  min-height: 50px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(24, 61, 42, 0.12);
}

.pd-buy__actions .btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.pd-buy__actions .btn--wa {
  background: #2f9e4b;
  color: #fff;
  border: none;
}

.pd-buy__actions .btn--wa:hover {
  background: #268540;
}

.pd-buy__actions .btn--tg {
  background: #234d36;
  color: #fff;
  border: none;
}

.pd-buy__actions .btn--tg:hover {
  background: #1a3a28;
  color: #fff;
}

/* —— Details grid —— */
.pd__details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem 1.15rem;
}

.pd__details .pd-faq {
  grid-column: span 2;
}

.pd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.pd-list li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--green-dark);
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.35;
}

.pd-list__icon {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.7rem;
  background: var(--white);
  color: var(--green);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.pd-list__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.pd-format {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
}

.pd-format__icon {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 1rem;
  background: var(--white);
  color: var(--green);
  display: grid;
  place-items: center;
}

.pd-format__icon svg {
  width: 1.45rem;
  height: 1.45rem;
}

.pd-format strong {
  display: block;
  color: var(--green-dark);
  margin-bottom: 0.2rem;
}

.pd-format p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.pd-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  padding: 0.85rem 0.7rem;
}

.pd-stats__item {
  text-align: center;
  padding: 0.35rem 0.25rem;
  border-radius: 0;
  background: transparent;
  display: grid;
  justify-items: center;
  gap: 0.15rem;
}

.pd-stats__emoji {
  font-size: 1.15rem;
  line-height: 1;
  margin-bottom: 0.1rem;
}

.pd-stats__item + .pd-stats__item {
  border-left: 1px solid var(--line);
}

.pd-stats__value {
  display: block;
  font-weight: 800;
  color: var(--green-dark);
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
}

.pd-stats__label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.3;
  font-weight: 600;
}

.pd-author {
  margin: 0;
  color: var(--green-dark);
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.4;
}

.pd-author span {
  display: block;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

.pd-audience .pd-list li {
  font-weight: 600;
}

.pd-check {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: #2f9e4b;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 0.1rem;
}

.pd-faq .faq-accordion {
  max-width: none;
  gap: 0.55rem;
}

.pd-faq .faq-item {
  box-shadow: none;
  border: 1px solid rgba(35, 77, 54, 0.1);
  border-radius: 14px;
  background: #fbfaf5;
}

.pd-faq .faq-item summary {
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
}

.pd-faq .faq-item__body {
  padding: 0 1rem 0.95rem;
}

.pd-faq .faq-item__body p {
  margin-top: 0.55rem;
  font-size: 0.9rem;
}

/* Legacy 3-col grid (math / literature / kit) */
.pd__grid {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr 0.95fr;
  gap: 1.25rem 1.4rem;
  align-items: start;
}

.pd-col {
  display: grid;
  gap: 1rem;
}

@media (max-width: 1100px) {
  .pd__hero {
    grid-template-columns: 1fr 1fr;
  }

  .pd-col--side {
    grid-column: 1 / -1;
    position: static;
    display: grid;
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .pd__details {
    grid-template-columns: 1fr 1fr;
  }

  .pd__grid {
    grid-template-columns: 1fr 1fr;
  }

  .pd__grid .pd-col--side {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    max-width: none;
  }
}

@media (max-width: 780px) {
  .pd__hero,
  .pd__details,
  .pd__grid,
  .pd__grid .pd-col--side,
  .pd-col--side {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .pd-gallery.store-carousel {
    border-radius: 18px;
    aspect-ratio: 16 / 11;
  }

  .page-portrait-gallery .pd-gallery.store-carousel,
  .page-reading-school .pd-gallery.store-carousel {
    aspect-ratio: 3 / 4;
    max-width: 100%;
  }

  .pd-gallery .store-carousel__btn {
    width: 36px;
    height: 36px;
  }

  .pd-gallery__badge {
    max-width: 88%;
    font-size: 0.66rem;
  }

  .pd-thumbs__btn {
    width: 64px;
    height: 48px;
  }

  .page-portrait-gallery .pd-thumbs__btn,
  .page-reading-school .pd-thumbs__btn {
    width: 48px;
    height: 64px;
  }

  .pd-features {
    grid-template-columns: 1fr;
  }

  .pd-features li,
  .pd-list li {
    align-items: center;
  }

  .pd-stats {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .pd-stats__item + .pd-stats__item {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 0.7rem;
    margin-top: 0.35rem;
  }

  .pd__details .pd-faq {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .pd {
    padding-top: 10px;
  }

  .pd-card {
    padding: 1rem;
  }

  .pd-buy .price__main {
    font-size: 1.55rem;
  }
}