/* ── SHOP PRODUCT DETAIL (구매 중심 페이지) ── */
.spd-product {
  padding-top: var(--nav-height);
  background: var(--white);
}

.spd-product-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* ── 갤러리 ── */
.spd-gallery {
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.spd-main-img {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #f5f5f5;
  aspect-ratio: 1/1;
}

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

/* ── 제품 정보 ── */
.spd-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.spd-breadcrumb {
  font-size: 13px;
  color: #888;
}

.spd-breadcrumb a {
  color: #888;
  text-decoration: none;
}

.spd-breadcrumb a:hover {
  color: var(--black);
}

.spd-series {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #888;
}

.spd-name {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--black);
  line-height: 1.1;
}

.spd-desc {
  font-size: 17px;
  line-height: 1.6;
  color: #555;
}

.spd-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--black);
  padding: 8px 0;
}

.spd-badge {
  display: inline-block;
  background: #333;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  align-self: flex-start;
}

.spd-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 8px;
}

.spd-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  text-align: center;
}

.spd-btn--primary {
  background: var(--black);
  color: var(--white);
}

.spd-btn--primary:hover {
  background: #333;
}

.spd-btn--outline {
  background: transparent;
  color: var(--black);
  border: 2px solid #ddd;
}

.spd-btn--outline:hover {
  border-color: var(--black);
}

.spd-btn:disabled {
  background: #ccc;
  color: #888;
  cursor: not-allowed;
}

.spd-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  padding-top: 4px;
  transition: opacity 0.2s;
}

.spd-link:hover {
  opacity: 0.6;
}

.spd-shipping {
  font-size: 13px;
  color: #111;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #f0f0f0;
}

/* ── 제품 하이라이트 ── */
.spd-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid #e5e5e5;
}

.spd-highlight,
.spd-highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #444;
}

.spd-highlight svg,
.spd-highlight-item svg {
  flex-shrink: 0;
}

/* ── 스펙 요약 ── */
.spd-specs {
  background: #f5f5f5;
  padding: 60px 32px;
}

.spd-specs-inner {
  max-width: 800px;
  margin: 0 auto;
}

.spd-specs-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 28px;
}

.spd-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.spd-specs-table tr {
  border-bottom: 1px solid #ddd;
}

.spd-specs-table td {
  padding: 14px 0;
  font-size: 15px;
  color: var(--black);
}

.spd-specs-table td:first-child {
  font-weight: 600;
  color: #555;
  width: 180px;
}

/* ── 관련 제품 ── */
.spd-related {
  background: var(--white);
  padding: 60px 32px;
}

.spd-related-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.spd-related-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
}

.spd-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.spd-related-card {
  text-decoration: none;
  color: var(--black);
  background: #f5f5f5;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.spd-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.spd-related-card-img {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: #eee;
}

.spd-related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.spd-related-card:hover .spd-related-card-img img {
  transform: scale(1.05);
}

.spd-related-card-info {
  padding: 16px;
}

.spd-related-card-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.spd-related-card-info p {
  font-size: 13px;
  color: #666;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .spd-product-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 20px 40px;
  }

  .spd-gallery {
    position: static;
  }

  .spd-related-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .spd-specs {
    padding: 40px 20px;
  }

  .spd-related {
    padding: 40px 20px;
  }
}

@media (max-width: 480px) {
  .spd-product-inner {
    padding: 16px 16px 32px;
  }

  .spd-related-grid {
    grid-template-columns: 1fr;
  }

  .spd-specs {
    padding: 32px 16px;
  }
}