/* ---------------------------------------------------------
   1. Base & Layout
--------------------------------------------------------- */
.zs-detail-main {
  background-color: #FFF;
  padding-bottom: 0;
}

.zs-detail-inner {
  margin: 0 auto;
  padding: 0 4%;
}

/* ---------------------------------------------------------
   2. Breadcrumb
--------------------------------------------------------- */
.zs-breadcrumb {
  padding: 1.5rem 4%;
  background-color: var(--color-bg-soft);
  margin: 0 auto;
}

.zs-breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.875rem;
}

.zs-breadcrumb li {
  display: flex;
  align-items: center;
  color: #888;
}

.zs-breadcrumb li a {
  color: #888;
  text-decoration: none;
  font-weight: 500;
}

.zs-breadcrumb li a:hover {
  text-decoration: underline;
}

.zs-breadcrumb li + li::before {
  content: "/";
  margin: 0 0.5rem;
  color: var(--color-text-subtle);
}

.zs-breadcrumb li[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 500;
}

/* ---------------------------------------------------------
   3. Hero Section (Image & Info)
--------------------------------------------------------- */
.zs-detail-hero {
  background-color: var(--color-bg-soft);
  padding: 0 0 4rem;
  border-bottom: 3px solid var(--color-primary);
  margin-bottom: 2rem;
}

.zs-detail-inner {
  margin: 0 auto;
  padding: 0 4%;
}

.zs-detail-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  background-color: transparent;
  padding: 0 0 4rem;
  box-shadow: none;
}

.zs-detail-gallery {
  flex: 0 0 47%;
  width: 47%;
}

body.zs-no-scroll {
  overflow: hidden;
}

.zs-gallery-main-trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.zs-gallery-main {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 1rem;
  background: #f5f7fb;
}

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

.zs-gallery-thumbs-shell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.zs-gallery-thumbs-track {
  flex: 1 1 auto;
  overflow: hidden;
}

.zs-gallery-thumbs {
  display: flex;
  gap: 1rem;
  transition: transform 0.35s ease;
  will-change: transform;
}

.zs-gallery-nav {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 1px solid #d7dfeb;
  border-radius: 50%;
  background: #fff;
  color: var(--color-text-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.zs-gallery-nav span {
  font-size: 28px;
  line-height: 1;
}

.zs-gallery-nav:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.zs-gallery-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.zs-thumb-item {
  flex: 0 0 calc((100% - 5rem) / 6);
  width: calc((100% - 5rem) / 6);
  min-width: 0;
  aspect-ratio: 4 / 3;
  border: 2px solid transparent;
  cursor: pointer;
  background-color: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s ease, transform 0.3s ease;
  padding: 0;
}

.zs-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zs-thumb-item.active,
.zs-thumb-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.zs-gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(8, 12, 20, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
}

.zs-gallery-lightbox[hidden] {
  display: none;
}

.zs-gallery-lightbox-stage {
  max-width: min(1200px, 100%);
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zs-gallery-lightbox-stage img {
  max-width: 100%;
  max-height: calc(100vh - 8rem);
  object-fit: contain;
}

.zs-gallery-lightbox-close,
.zs-gallery-lightbox-nav {
  position: absolute;
  border: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.zs-gallery-lightbox-close {
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 34px;
  line-height: 1;
}

.zs-gallery-lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
}

.zs-gallery-lightbox-nav span {
  font-size: 36px;
  line-height: 1;
}

.zs-gallery-lightbox-prev {
  left: 24px;
}

.zs-gallery-lightbox-next {
  right: 24px;
}

.zs-gallery-lightbox-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.zs-detail-info {
  flex: 0 0 47%;
  width: 47%;
  display: flex;
  flex-direction: column;
}

.zs-info-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0 0 1.5rem;
  line-height: 1.2;
}

.zs-info-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0 0 3rem;
}

.zs-info-basic {
  margin-bottom: 1.5rem;
  border-top: 1px solid #000;
  padding-top: 1.5rem;
}

.zs-info-basic h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0 0 1rem;
  display: inline-block;
}

.zs-basic-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.zs-basic-list li {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: baseline;
}

.zs-label {
  font-weight: 700;
  color: var(--color-text-strong);
  width: 120px;
  flex-shrink: 0;
}

.zs-info-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0;
}

.zs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.zs-btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.zs-btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.zs-btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.zs-btn--outline:hover {
  background-color: var(--color-primary-hover);
  color: #fff;
  border-color: var(--color-primary-hover);
}

/* ---------------------------------------------------------
   4. Detailed Info Section (Accordion)
--------------------------------------------------------- */
.zs-detail-specs {
  padding: 0 0 2rem;
}

.zs-specs-inner {
  width: 60%;
  margin: 0 auto;
}

.zs-specs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: transparent;
  padding: 1.5rem 0;
  box-shadow: none;
  margin-bottom: 1rem;
}

.zs-specs-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0;
}

.zs-specs-toggle {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.zs-specs-toggle svg {
  transition: transform 0.3s ease;
}

.zs-specs-toggle.active svg {
  transform: rotate(180deg);
}

.zs-specs-content {
  background-color: transparent;
  padding: 0;
  box-shadow: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.5s ease, opacity 0.5s ease;
  opacity: 0;
}

.zs-specs-content.active {
  padding: 2rem 0;
  max-height: 2000px;
  opacity: 1;
}

.zs-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.zs-spec-group dt {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-strong);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.zs-spec-group dd {
  display: flex;
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.zs-spec-group dd strong {
  width: 50%;
  color: var(--color-text-strong);
  font-weight: 600;
  padding-right: 1rem;
}

.zs-spec-group dd span {
  width: 50%;
}

/* ---------------------------------------------------------
   5. Linked Machines Slider
--------------------------------------------------------- */
.zs-linked-machines {
  padding: 2rem 0 4rem;
  background-color: transparent;
}

.zs-linked-wrapper {
  position: relative;
}

.zs-linked-wrapper h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-strong);
  text-align: left;
  margin: 0 0 3rem;
}

.zs-linked-slider {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  gap: 2rem;
  padding-bottom: 1rem;
}

.zs-linked-slider::-webkit-scrollbar {
  display: none;
}

.zs-linked-card {
  flex: 0 0 calc(33.333% - 1.333rem);
  scroll-snap-align: start;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.zs-linked-img {
  width: 100%;
  aspect-ratio: 315 / 206;
  background-color: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  overflow: hidden;
}

.zs-linked-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.zs-linked-card:hover .zs-linked-img img {
  transform: scale(1.05);
}

.zs-linked-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  text-align: center;
}

.zs-linked-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
  text-align: center;
}

.zs-slider-nav {
  position: absolute;
  top: 50%;
  left: -2rem;
  right: -2rem;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  pointer-events: none;
}

.zs-slider-nav button {
  pointer-events: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #fff;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-strong);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.zs-slider-nav button:hover {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ---------------------------------------------------------
   6. Other Solutions Section
--------------------------------------------------------- */
.zs-other-solutions {
  padding: 4rem 0;
  background-color: var(--color-bg-soft);
}

.zs-other-solutions-inner {
  width: 100%;
}

.zs-other-solutions h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0 0 2rem;
  text-align: center;
}

.zs-solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.zs-solution-card {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  background-color: #fff;
}

.zs-solution-img {
  position: relative;
  width: 100%;
  aspect-ratio: 190 / 124;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.zs-solution-img > img {
  width: 50%;
  max-height: 100%;
  object-fit: contain;
  margin-bottom: 3rem;
}

.zs-solution-logo {
  width: 80px;
}

.zs-solution-logo img {
  width: 100%;
  height: auto;
}

.zs-solution-title {
  padding: 0 1rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-strong);
  text-align: center;
  background-color: #fff;
}

/* ---------------------------------------------------------
   7. Responsive
--------------------------------------------------------- */
@media (max-width: 1200px) {
  .zs-detail-row {
    flex-direction: column;
  }
  .zs-detail-gallery,
  .zs-detail-info {
    flex: 1 1 100%;
    width: 100%;
  }
  .zs-specs-inner {
    width: 80%;
  }
  .zs-linked-card {
    flex: 0 0 calc(33.333% - 1.333rem);
  }
  .zs-solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .zs-gallery-main {
    aspect-ratio: 1 / 1;
  }
  .zs-gallery-thumbs-shell {
    gap: 0.5rem;
  }
  .zs-gallery-nav {
    width: 34px;
    height: 34px;
  }
  .zs-thumb-item {
    flex: 0 0 calc((100% - 2rem) / 3);
    width: calc((100% - 2rem) / 3);
  }
  .zs-gallery-lightbox {
    padding: 1.5rem 3rem;
  }
  .zs-gallery-lightbox-close {
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
  }
  .zs-gallery-lightbox-nav {
    width: 42px;
    height: 42px;
  }
  .zs-gallery-lightbox-prev {
    left: 12px;
  }
  .zs-gallery-lightbox-next {
    right: 12px;
  }
  .zs-info-title {
    font-size: 2rem;
  }
  .zs-info-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  .zs-info-actions {
    flex-direction: column;
  }
  .zs-btn {
    width: 100%;
  }
  .zs-specs-inner {
    width: 100%;
    padding: 0 4%;
  }
  .zs-specs-header h2,
  .zs-linked-wrapper h2 {
    font-size: 1.8rem;
  }
  .zs-specs-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .zs-spec-group dd {
    flex-direction: column;
  }
  .zs-spec-group dd strong,
  .zs-spec-group dd span {
    width: 100%;
  }
  .zs-spec-group dd strong {
    padding-bottom: 0.25rem;
  }
  .zs-linked-card {
    flex: 0 0 calc(50% - 1rem);
  }
  .zs-slider-nav {
    display: none;
  }
  .zs-other-solutions h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .zs-linked-card {
    flex: 0 0 80%;
  }
  .zs-solutions-grid {
    grid-template-columns: 1fr;
  }
}