/* ==================================================
   제품 상세 화면
   제품 상단, 갤러리, 설명, 공유, 상세정보
   ================================================== */

/* 제품 상세 상단 */
.breadcrumb {
  max-width: 1200px;
  margin: auto;
  padding: 26px 24px;
  display: flex;
  gap: 0.7rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.product-top {
  max-width: 1200px;
  margin: 0 auto 100px;
  padding: 10px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 72px;
  align-items: start;
}

/* 이미지 슬라이드 */
.gallery {
  min-width: 0;
  position: sticky;
  top: 30px;
}

.slides {
  position: relative;
  aspect-ratio: 1;
  border-radius: 28px;
  overflow: hidden;
  background: var(--color-surface-muted);
}

.slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
}

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

.slide-btn {
  position: absolute;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-slide-button-border);
  border-radius: 50%;
  background: var(--color-slide-button-background);
  color: var(--color-slide-button);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.slide-btn.prev {
  left: 18px;
}

.slide-btn.next {
  right: 18px;
}

.dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-top: 16px;
}

.dot {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: var(--color-slide-dot);
  padding: 0;
}

.dot.is-active {
  width: 28px;
  border-radius: 99px;
  background: var(--color-slide-dot-active);
}

/* 제품 설명과 문의·공유 버튼 */
.product-info {
  padding-top: 24px;
}

.product-info .eyebrow {
  color: var(--color-primary);
}

.product-info h1 {
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
  margin: 0 0 1.2rem;
}

.lead {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.55;
}

.product-info > p:not(.eyebrow):not(.lead) {
  color: var(--color-text-muted);
}

.product-actions {
  max-width: 430px;
  margin: 28px 0 30px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.product-actions .action-button--contact {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.purchase-slot {
  margin-top: 24px;
  border: 1px dashed var(--color-border-strong);
  background: var(--color-surface-muted);
  border-radius: 14px;
  padding: 18px 20px;
  color: var(--color-text-muted);
}

.purchase-slot span {
  color: var(--color-text);
  font-weight: 800;
}

.purchase-slot p {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
}

/* 상세정보 영역 */
.basic-description {
  max-width: 900px;
  margin: auto;
  padding: 0 24px 100px;
  text-align: center;
}

.basic-description .section-label {
  color: var(--color-primary);
}

.basic-description h2,
.full-detail h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 0.4rem 0 1rem;
}

.basic-description > p:last-of-type {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.detail-toggle {
  margin-top: 28px;
  border: 0;
  border-radius: 99px;
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  padding: 1rem 1.7rem;
  cursor: pointer;
  font-weight: 800;
}

.detail-toggle span {
  margin-left: 0.5rem;
}

.full-detail {
  max-width: 900px;
  margin: 0 auto 110px;
  padding: 70px 24px;
  border-top: 1px solid var(--color-border);
}

.full-detail h2 {
  text-align: center;
}

.detail-text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 auto 44px;
  text-align: center;
  max-width: 720px;
}

.detail-image {
  margin: 40px 0;
  border-radius: 24px;
  overflow: hidden;
  background: var(--color-surface-muted);
}

.detail-image img {
  width: 100%;
  max-height: 760px;
  object-fit: cover;
}

.detail-image-stack {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  background: var(--color-surface);
}

.detail-image-stack img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
}

/* 표, 안내문, 동영상 */
.table-wrap {
  overflow-x: auto;
  margin: 45px 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
}

caption {
  text-align: left;
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

th,
td {
  border: 1px solid var(--color-border);
  padding: 16px 18px;
  text-align: left;
}

th {
  background: var(--color-surface-muted);
}

.notice {
  padding: 20px 24px;
  border-left: 4px solid var(--color-notice-border);
  background: var(--color-notice-background);
  color: var(--color-notice-text);
}

.video-wrap video {
  width: 100%;
  border-radius: 20px;
}

/* 모바일 제품 상세 화면 */
@media (max-width: 800px) {
  .product-top {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 75px;
    padding: 0 20px;
  }

  .gallery {
    position: static;
  }

  .breadcrumb {
    padding: 20px;
  }

  .product-info {
    padding-top: 0;
  }

  .product-info h1 {
    font-size: 2.9rem;
  }

  .basic-description {
    padding: 0 20px 75px;
  }

  .full-detail {
    padding: 55px 20px;
    margin-bottom: 75px;
  }

  .slide-btn {
    width: 42px;
    height: 42px;
  }

  .product-actions {
    max-width: none;
  }
}