/* ========== 상품 상세 페이지 전용 스타일 ========== */

/* Breadcrumb */
.breadcrumb {
  background: #fafafa;
  border-bottom: 1px solid #eee;
  padding-top: 72px;
}
.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb-inner a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.breadcrumb-inner a:hover { color: var(--navy); }
.breadcrumb-sep {
  margin: 0 8px;
  color: #ccc;
}
.breadcrumb-current {
  color: var(--navy);
  font-weight: 600;
}

/* Product Hero */
.product-hero {
  background: linear-gradient(135deg, #f8f9fc 0%, #eef1f7 100%);
  padding: 60px 24px 80px;
}
.product-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.product-hero-image {
  background: var(--white);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(15, 31, 68, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}
.product-hero-image img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
}
.product-hero-info { padding: 16px 0; }
.product-tag {
  display: inline-block;
  background: rgba(201, 92, 28, 0.1);
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.product-hero-info h1 {
  font-size: 42px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 12px;
}
.product-model {
  color: var(--orange);
  font-size: 36px;
  font-weight: 800;
}
.product-tagline {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}
.product-highlights {
  list-style: none;
  margin-bottom: 36px;
}
.product-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 16px;
  color: var(--text);
}
.product-highlights .check {
  display: inline-flex;
  width: 22px;
  height: 22px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.product-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
  align-items: center;
}
/* 두 버튼 완전 통일: 같은 높이, 같은 border 두께, 수직/수평 중앙 정렬 */
.product-cta-row .btn-solid-orange,
.product-cta-row .btn-outline-navy {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 54px;
  padding: 0 26px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.2px;
  border-radius: 12px;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  margin: 0;
  transition: all 0.18s ease;
}
.product-cta-row .btn-solid-orange {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.22);
}
.product-cta-row .btn-solid-orange:hover {
  background: var(--orange-hover);
  border-color: var(--orange-hover);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.30);
  transform: translateY(-1px);
}
.product-cta-row .btn-outline-navy {
  background: var(--white);
  color: var(--navy);
  border-color: var(--navy);
}
.product-cta-row .btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
}
/* 기본 .btn-outline-navy (제품 페이지 외 다른 위치용) */
.btn-outline-navy {
  border: 2px solid var(--navy);
  color: var(--navy);
  background: var(--white);
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: var(--white);
}

/* Product Section */
.product-section {
  padding: 80px 24px;
  background: var(--white);
}
.product-section.alt-bg {
  background: #f8f9fc;
}
.product-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.product-heading {
  font-size: 32px;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  padding-bottom: 20px;
}
.product-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--orange);
  border-radius: 2px;
}

/* Spec Grid */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.spec-item {
  background: var(--white);
  border: 2px solid #eef1f7;
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  transition: all 0.2s;
}
.spec-item:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(201, 92, 28, 0.1);
}
.spec-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.spec-value {
  font-size: 18px;
  color: var(--navy);
  font-weight: 700;
}

/* Use case grid */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.usecase-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 31, 68, 0.05);
  transition: all 0.2s;
}
.usecase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(15, 31, 68, 0.1);
}
.usecase-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.usecase-card h3 {
  font-size: 18px;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 10px;
}
.usecase-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Feature list */
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.feature-row {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid #eef1f7;
  transition: all 0.2s;
}
.feature-row:hover {
  border-color: var(--orange);
  box-shadow: 0 12px 30px rgba(201, 92, 28, 0.08);
}
.feature-icon {
  font-size: 36px;
  flex-shrink: 0;
}
.feature-text h3 {
  font-size: 18px;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-text p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Related products grid */
.related-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(15, 31, 68, 0.06);
  transition: all 0.2s;
  display: block;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 31, 68, 0.12);
}
.related-img {
  background: linear-gradient(135deg, #f5f7fa 0%, #e9eef5 100%);
  padding: 30px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}
.related-img img {
  max-height: 140px;
  object-fit: contain;
}
.related-info {
  padding: 20px;
  text-align: center;
}
.related-info h3 {
  font-size: 16px;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 6px;
}
.related-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 좁은 본문 영역 (텍스트 위주 섹션용) */
.product-inner.narrow {
  max-width: 880px;
}

/* 제품 깊이 소개 */
.product-intro {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  text-align: left;
  padding: 32px 36px;
  background: var(--white);
  border-radius: 16px;
  border-left: 5px solid var(--orange);
  box-shadow: 0 8px 24px rgba(15, 31, 68, 0.05);
}

/* 페이지 마무리 노트 */
.closing-note {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  text-align: center;
  padding: 28px 32px;
  background: var(--white);
  border-radius: 12px;
  border-top: 3px solid var(--orange);
  font-style: italic;
}

/* 정보성 본문 단락 */
.info-paragraph {
  background: var(--white);
  padding: 32px 36px;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 31, 68, 0.05);
}
.info-paragraph p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 16px;
}
.info-paragraph p:last-child { margin-bottom: 0; }

/* 정보성 일반 안내 리스트 */
.info-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.info-list li {
  background: var(--white);
  border-left: 4px solid var(--orange);
  padding: 18px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(15, 31, 68, 0.04);
}

/* 체크리스트 */
.checklist {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  background: var(--white);
  border: 2px solid #eef1f7;
  border-radius: 14px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  transition: all 0.2s;
}
.checklist li:hover {
  border-color: var(--orange);
  transform: translateX(4px);
}
.checklist .check-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

/* 사례 카드 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(15, 31, 68, 0.06);
  border-top: 4px solid var(--orange);
  transition: all 0.2s;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 31, 68, 0.12);
}
.case-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.4;
}
.case-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 운영 노하우 + 자주 받는 문의 */
.ops-block {
  margin-bottom: 40px;
}
.ops-block:last-child {
  margin-bottom: 0;
}
.ops-subheading {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 4px solid var(--orange);
}
.ops-tips {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ops-tips li {
  background: #f8f9fc;
  border-radius: 12px;
  padding: 18px 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  position: relative;
  padding-left: 38px;
}
.ops-tips li::before {
  content: '💡';
  position: absolute;
  left: 14px;
  top: 18px;
  font-size: 14px;
}
.qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.qa-card {
  background: var(--white);
  border: 2px solid #eef1f7;
  border-radius: 14px;
  padding: 22px 26px;
  transition: all 0.2s;
}
.qa-card:hover {
  border-color: var(--orange);
}
.qa-q {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.5;
}
.qa-a {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 도입 효과 섹션 */
.benefit-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}
.benefit-stat-item {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  border-radius: 20px;
  padding: 36px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.benefit-stat-item::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: rgba(201, 92, 28, 0.15);
  border-radius: 50%;
}
.benefit-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 10px;
  position: relative;
}
.benefit-label {
  font-size: 16px;
  font-weight: 600;
  opacity: 0.9;
  position: relative;
}
.benefit-sub {
  font-size: 13px;
  opacity: 0.65;
  margin-top: 6px;
  position: relative;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 31, 68, 0.06);
}
.comparison-table thead th {
  background: var(--navy);
  color: var(--white);
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}
.comparison-table thead th:first-child {
  background: var(--navy-dark);
  width: 22%;
}
.comparison-table thead th:nth-child(2) {
  background: #6b6b6b;
}
.comparison-table thead th:last-child {
  background: var(--orange);
}
.comparison-table tbody td {
  padding: 18px 20px;
  font-size: 15px;
  border-bottom: 1px solid #eef1f7;
  vertical-align: middle;
}
.comparison-table tbody tr:last-child td {
  border-bottom: none;
}
.comparison-table tbody td:first-child {
  font-weight: 700;
  color: var(--navy);
  background: #fafbfd;
  text-align: center;
}
.comparison-table tbody td:nth-child(2) {
  color: var(--text-muted);
  text-align: center;
}
.comparison-table tbody td:last-child {
  color: var(--text);
  font-weight: 600;
  text-align: center;
  background: rgba(201, 92, 28, 0.04);
}

/* ========== 반응형 ========== */
@media (max-width: 960px) {
  .product-hero { padding: 40px 20px 60px; }
  .product-hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .product-hero-image {
    padding: 28px;
    min-height: 300px;
  }
  .product-hero-image img { max-height: 280px; }
  .product-hero-info h1 { font-size: 32px; }
  .product-model { font-size: 28px; }
  .product-tagline { font-size: 16px; }

  .product-section { padding: 56px 20px; }
  .product-heading { font-size: 26px; margin-bottom: 36px; }

  .spec-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .spec-item { padding: 22px 16px; }

  .usecase-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .feature-list { grid-template-columns: 1fr; gap: 16px; }
  .feature-row { padding: 22px; }

  .related-products-grid { grid-template-columns: repeat(2, 1fr); }

  .benefit-stats { grid-template-columns: 1fr; gap: 14px; margin-bottom: 36px; }
  .benefit-stat-item { padding: 28px 20px; }
  .benefit-number { font-size: 40px; }

  .comparison-table thead th { padding: 14px 12px; font-size: 14px; }
  .comparison-table tbody td { padding: 14px 12px; font-size: 13px; }

  .product-intro { padding: 24px 22px; font-size: 15px; line-height: 1.75; }
  .checklist li { padding: 18px 18px; font-size: 14px; gap: 12px; }
  .checklist .check-num { width: 28px; height: 28px; font-size: 13px; }
  .case-grid { grid-template-columns: 1fr; gap: 14px; }
  .case-card { padding: 24px 22px; }
  .ops-tips { grid-template-columns: 1fr; }
  .ops-tips li { padding: 16px 18px 16px 36px; font-size: 14px; }
  .qa-card { padding: 18px 20px; }
  .qa-q { font-size: 15px; }
  .qa-a { font-size: 14px; }
}

@media (max-width: 480px) {
  .product-hero-info h1 { font-size: 26px; }
  .product-model { font-size: 22px; }
  .product-cta-row { flex-direction: column; }
  .product-cta-row .btn-solid-orange,
  .product-cta-row .btn-outline-navy {
    width: 100%;
    text-align: center;
  }
  .spec-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .related-products-grid { grid-template-columns: 1fr; }
  .product-heading { font-size: 22px; }
}