/* =========================================
   Product Category Page
   - 產品大類頁專用樣式
   - 不影響首頁
   ========================================= */

.product-category-page {
  padding: 120px 0 0;
}

/* =========================================
   Breadcrumb
   ========================================= */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

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

.breadcrumb-separator {
  color: var(--color-border);
}

/* =========================================
   Category Header
   ========================================= */

.category-header {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.8fr);
  gap: 48px;
  align-items: end;
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-border);
}

.header-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 67, 144, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 67, 144, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
  z-index: -3;
}

.category-header::after {
  content: "";
  position: absolute;
  right: -220px;
  top: -220px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 67, 144, 0.09), transparent 70%);
  z-index: -2;
}

.category-header h1 {
  margin: 0;
  color: var(--color-primary);
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.category-header-description {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.9;
}

/* Category Header 補充內容 */

.category-header .eyebrow {
  margin: 0 0 16px;
}

.category-header-subtitle {
  margin: 18px 0 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.category-header-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

/* =========================================
   Category Navigation
   ========================================= */

.category-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 26px 0 42px;
}

.category-navigation a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.category-navigation a:hover,
.category-navigation a.is-current {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

/* =========================================
   Product List
   ========================================= */

.category-product-section {
  padding: 40px 0 88px;
}

/* =========================================
   Product Section Heading
   ========================================= */

.category-product-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 64px;
  margin-bottom: 52px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}

.category-product-heading > div {
  min-width: 0;
}

.category-product-heading .eyebrow {
  margin: 0 0 14px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.category-product-heading h2 {
  max-width: 620px;
  margin: 0;
  color: var(--color-text);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.category-product-heading > p {
  max-width: 500px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.9;
}

.category-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 32px;
}

.category-product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  scroll-margin-top: 120px;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.category-product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 67, 144, 0.28);
  box-shadow: 0 18px 42px rgba(31, 41, 51, 0.12);
}

/* 圖片區域 */

.category-product-card .category-product-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  background: #edf2ff;
  transition: transform 0.5s ease;
}

.category-product-card:hover .category-product-image {
  transform: scale(1.045);
}

/* 內容區域 */

.category-product-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px 26px 24px;
}

.category-product-type {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.category-product-content h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.35rem;
  line-height: 1.4;
}

.category-product-content h3::after {
  display: block;
  width: 100%;
  height: 1px;
  margin-top: 20px;
  background: var(--color-border);
  content: "";
}

.category-product-content > p:not(.category-product-type) {
  margin: 18px 0 26px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* 卡片連結 */

.category-product-content .text-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition:
    gap 0.25s ease,
    opacity 0.25s ease;
}

.category-product-content .text-link:hover {
  gap: 13px;
  opacity: 0.76;
}

.category-product-content .text-link span {
  transition: transform 0.25s ease;
}

.category-product-content .text-link:hover span {
  transform: translateX(3px);
}

/* =========================================
   Processing Capability
   加工服務與能力
   ========================================= */

.category-capabilities {
  padding: 88px 0;
  background: #f6f8fc;
}

.category-capabilities-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 40px;
}

.category-capabilities-heading .eyebrow {
  margin: 0 0 14px;
}

.category-capabilities-heading h2 {
  margin: 0;
  font-size: clamp(1.85rem, 3vw, 2.8rem);
  line-height: 1.2;
}

.category-capabilities-heading > p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.category-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.category-capability-card {
  position: relative;
  min-width: 0;
  padding: 34px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

.category-capability-number {
  margin-bottom: 42px;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.category-capability-label {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.category-capability-card h3 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.45;
}

.category-capability-card > p:not(.category-capability-label) {
  margin: 18px 0 0;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.category-capability-notice {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.75;
}

.category-capability-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.category-capability-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.category-capability-list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  content: "";
}

.category-brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.category-brand-list span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.84rem;
  font-weight: 700;
}

.category-brand-disclaimer {
  max-width: 900px;
  margin: 22px 0 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.75;
}

/* =========================================
   Application Section
   ========================================= */

.category-applications {
  padding: 72px 0;
  background: var(--color-white);
}

.category-applications-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: 52px;
}

.category-applications h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.category-application-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.category-application-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}

.category-application-number {
  color: var(--color-primary);
  font-weight: 800;
}

.category-application-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.category-application-item p {
  margin: 8px 0 0;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.category-applications-description {
  max-width: 430px;
  margin: 22px 0 0;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* =========================================
   Inquiry CTA
   ========================================= */

.category-inquiry {
  padding: 72px 0;
}

.category-inquiry-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 42px;
  background: var(--color-primary);
  color: var(--color-white);
}

.category-inquiry-box h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
}

.category-inquiry-box p {
  max-width: 640px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
}

.category-inquiry-box .button {
  flex: 0 0 auto;
}

.category-inquiry-label {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 900px) {
  .category-header,
  .category-applications-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .category-product-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
    margin-bottom: 42px;
  }

  .category-product-heading > p {
    max-width: 680px;
  }

  .category-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-product-heading,
  .category-inquiry-box {
    align-items: flex-start;
    flex-direction: column;
  }

  .category-capabilities-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .category-capability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .product-category-page {
    padding: 96px 0 0;
  }

  .category-header {
    padding-bottom: 34px;
  }

  .category-product-grid {
    grid-template-columns: 1fr;
  }

  .category-inquiry-box {
    padding: 30px 24px;
  }

  .category-capabilities {
    padding: 64px 0;
  }

  .category-capability-card {
    padding: 28px 24px;
  }

  .category-capability-number {
    margin-bottom: 30px;
  }

  .category-product-content {
    padding: 24px 22px 22px;
  }

  .category-product-card:hover {
    transform: none;
  }

  .category-product-card:hover .category-product-image {
    transform: none;
  }
}

/* =========================================================
   Cable Processing Services — Three-card layout
   - Reuses the original .category-product-card motion exactly.
   - No custom transform/reveal rules are added here.
   ========================================================= */

.cable-service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
}

.cable-service-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
}

/* 圖片外框負責裁切，讓原本 scale 動畫可以自然放大而不溢出 */
.cable-service-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #edf2ff;
}

.cable-service-card .category-product-image {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

/* 編號維持疊在圖片右下角 */
.cable-service-number {
  position: absolute;
  right: 18px;
  bottom: 12px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.92);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.cable-service-content {
  min-height: 205px;
}

.cable-service-content h3 {
  margin: 0;
}

.cable-service-content > p:last-child {
  margin-bottom: 0;
}

/* 平板與手機只調整欄數；原網站既有 media query
   會在觸控尺寸自動關閉 category-product-card hover transform。 */
@media (max-width: 900px) {
  .cable-service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .cable-service-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .cable-service-content {
    min-height: 0;
  }
}