/* ============================================================
   BIOVIDA CIRÚRGICA — CSS DA PÁGINA DE PRODUTO (produto.html)
   Depende das variáveis e classes base definidas em style.css
   ============================================================ */

/* ============================================================
   1. TRILHA (BREADCRUMB)
   ============================================================ */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-200);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  font-size: 0.82rem;
}

.breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb__list li:not(:last-child)::after {
  content: '/';
  color: var(--gray-300);
}

.breadcrumb__list a:hover {
  color: var(--teal-dark);
}

.breadcrumb__list li[aria-current="page"] {
  color: var(--text-dark);
  font-weight: 600;
}

/* ============================================================
   2. DETALHE DO PRODUTO
   ============================================================ */
.product-detail {
  padding: 40px 0 64px;
}

.product-detail__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

/* --- Galeria --- */
.product-detail__gallery {
  position: sticky;
  top: 96px;
  position: static;
}


.product-detail__main-img {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
}

.product-detail__main-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

.product-detail__discount {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 4px 10px;
  color: var(--white);
  background: var(--tag-red);
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 4px;
}

.product-detail__thumbs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.product-detail__thumb-btn {
  width: 76px;
  height: 76px;
  padding: 4px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.product-detail__thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail__thumb-btn:hover,
.product-detail__thumb-btn.is-active {
  border-color: var(--teal);
}

/* --- Informações --- */
.product-detail__brand {
  margin-bottom: 8px;
  color: var(--teal-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.product-detail__title {
  margin-bottom: 12px;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.3;
}

.product-detail__stars {
  margin-bottom: 14px;
  color: var(--star-gold);
  font-size: 0.95rem;
}

.product-detail__stars span {
  margin-left: 4px;
  color: var(--text-light);
  font-size: 0.82rem;
}

.product-detail__availability {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--teal-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.product-detail__price-box {
  padding: 20px;
  margin-bottom: 24px;
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
}

.product-detail__old-price {
  color: var(--gray-400);
  font-size: 0.9rem;
  text-decoration: line-through;
}

.product-detail__price {
  color: var(--text-dark);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
}

.product-detail__price span {
  font-size: 1.1rem;
  font-weight: 700;
}

.product-detail__installments {
  color: var(--text-light);
  font-size: 0.85rem;
}

.product-detail__desc {
  margin-bottom: 20px;
  color: var(--text-mid);
  font-size: 0.97rem;
  line-height: 1.75;
}

.product-detail__highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.product-detail__highlights li {
  padding-left: 26px;
  position: relative;
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.5;
}

.product-detail__highlights li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal-dark);
  font-weight: 900;
}

.product-detail__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.product-detail__buy-btn {
  flex: 1;
  min-width: 220px;
}

.product-detail__trust {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
}

.product-detail__trust li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-mid);
  font-size: 0.86rem;
}

/* ============================================================
   3. FICHA TÉCNICA
   ============================================================ */
.product-specs {
  max-width: 720px;
  margin: 0 auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
}

.product-specs__row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 16px;
  padding: 14px 20px;
  font-size: 0.9rem;
}

.product-specs__row:nth-child(even) {
  background: var(--off-white);
}

.product-specs__row dt {
  color: var(--text-light);
  font-weight: 600;
}

.product-specs__row dd {
  color: var(--text-dark);
}





/* ============================================================
   4. RESPONSIVIDADE
   ============================================================ */
@media (max-width: 1024px) {
  .product-detail__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .product-detail__gallery {
    position: static;
  }
}

@media (max-width: 768px) {
  .product-detail__title {
    font-size: 1.5rem;
  }

  .product-detail__price {
    font-size: 1.6rem;
  }

  .product-detail__ctas {
    flex-direction: column;
  }

  .product-specs__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .product-card__actions {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .product-card__actions .btn {
    width: calc(100% - 20px);
    max-width: 220px;
    min-width: 0;
    margin: 0 auto;
    padding: 10px 12px;
    font-size: 0.82rem;
    line-height: 1.3;
    white-space: normal;
    text-align: center;
  }
}