/* ===== Detail Hero ===== */
.iro-detail-hero {
  position: relative;
  overflow: hidden;
  height: 220px;
  background: var(--iro-color-footer);
}

.iro-detail-hero-media {
  position: absolute;
  inset: 0;
}

.iro-detail-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.iro-detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5, 14, 33, 0.7) 0%, rgba(8, 145, 178, 0.15) 100%);
}

/* ===== Detail Crumb Bar (below hero, white area) ===== */
.iro-page-section-detail {
  padding-top: 28px;
}

.iro-detail-crumb-bar {
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}

.iro-detail-crumb-bar .iro-page-hero-kicker {
  margin: 0;
  color: var(--iro-color-primary);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.iro-detail-crumb-bar .iro-breadcrumb {
  margin: 0;
  color: var(--iro-color-muted);
  font-size: 13px;
}

.iro-detail-crumb-bar .iro-breadcrumb a {
  color: var(--iro-color-text);
}

.iro-detail-crumb-bar .iro-breadcrumb a:hover {
  color: var(--iro-color-primary);
}

.iro-detail-crumb-bar .iro-breadcrumb span {
  color: var(--iro-color-muted);
}

/* ===== Detail Layout (legacy, kept for view_article* compatibility) ===== */
.iro-detail-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.iro-detail-layout > * {
  min-width: 0;
}

.iro-detail-main {
  order: 2;
}

.iro-detail-sidebar {
  order: 1;
}

.iro-detail-main,
.iro-detail-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.iro-detail-sidebar {
  align-content: start;
}

/* ===== Product Top (merged into content-grid right column) ===== */
.iro-product-detail-top {
  /* inherits padding/border/radius from .iro-detail-card */
}

.iro-product-detail-top .iro-product-top {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.iro-product-detail-top .iro-product-gallery {
  display: flex;
  flex-direction: column;
  width: min(100%, 420px);
  justify-self: start;
}

.iro-product-detail-top .iro-product-summary-body {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.iro-product-kicker {
  margin: 0 0 6px;
  color: var(--iro-color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== Section 4: Content Grid (main + sticky sidebar) ===== */
.iro-content-section {
  margin-top: 0;
}

.iro-content-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.iro-content-grid > * {
  min-width: 0;
}

.iro-content-main {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.iro-content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 24px;
  align-self: start;
}

.iro-content-sidebar .iro-detail-card {
  margin: 0;
}

/* ===== Detail Card ===== */
.iro-detail-card {
  padding: 28px;
  background: var(--iro-color-panel);
  border: 1px solid var(--iro-color-line);
  border-radius: var(--iro-radius-md);
  box-shadow: none;
}

/* ===== Detail Header ===== */
.iro-detail-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.iro-detail-header h1 {
  margin: 0;
  color: var(--iro-color-ink);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
}

.iro-detail-summary,
.iro-detail-meta,
.iro-detail-meta time {
  margin: 0;
  color: var(--iro-color-muted);
  font-size: 15px;
}

/* ===== Article Meta Row ===== */
.iro-article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

/* ===== Product Main Image ===== */
.iro-product-main-image {
  width: min(100%, 420px);
  border: 1px solid var(--iro-color-line);
  border-radius: var(--iro-radius-md);
  overflow: hidden;
  background: #fff;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.iro-product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ===== Thumbnail Grid ===== */
.iro-thumb-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  width: min(100%, 420px);
}

.iro-thumb-grid li {
  display: block;
}

.iro-thumb-grid a {
  display: block;
  border: 1px solid var(--iro-color-line);
  border-radius: var(--iro-radius-sm);
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.iro-thumb-grid a:hover {
  border-color: var(--iro-color-primary);
}

.iro-thumb-grid a.is-active {
  border-color: var(--iro-color-primary);
  box-shadow: 0 0 0 2px rgba(11, 30, 63, 0.12);
}

.iro-thumb-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.iro-image-dialog {
  width: min(78vw, 860px);
  max-width: 860px;
  padding: 0;
  border: 0;
  background: transparent;
}

.iro-image-dialog::backdrop {
  background: rgba(6, 15, 34, 0.72);
  backdrop-filter: blur(4px);
}

.iro-image-dialog-shell {
  position: relative;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 60px rgba(6, 15, 34, 0.26);
}

.iro-image-dialog-shell img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  display: block;
  border-radius: 14px;
  background: #fff;
}

.iro-image-dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border: 1px solid var(--iro-color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--iro-color-ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.iro-image-dialog-close:hover {
  border-color: var(--iro-color-primary);
  color: var(--iro-color-primary);
}

/* ===== Spec Grid (Quick Specs) ===== */
.iro-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.iro-spec-item {
  padding: 18px;
  border: 1px solid var(--iro-color-line);
  border-radius: var(--iro-radius-sm);
  background: var(--iro-color-soft-2);
}

.iro-spec-item span {
  display: block;
  margin-bottom: 6px;
  color: var(--iro-color-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.iro-spec-item strong {
  color: var(--iro-color-ink);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
}

.iro-spec-quick-item:nth-of-type(n + 5) {
  display: none;
}

.iro-spec-inline-link {
  color: var(--iro-color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.iro-spec-inline-link:hover {
  color: var(--iro-color-primary-dark);
}

/* ===== Spec CTA (full-width action row) ===== */
.iro-spec-cta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 22px 18px;
  background: var(--iro-color-soft);
  border-color: var(--iro-color-line);
  align-items: center;
}

.iro-spec-cta .iro-button {
  flex: 1;
  min-width: 160px;
}

/* ===== Detail Section Title ===== */
.iro-detail-section-title {
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--iro-color-primary);
  color: var(--iro-color-ink);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

/* ===== Rich Text (CMS content) ===== */
.iro-richtext {
  font-size: 16px;
  line-height: 1.8;
  color: var(--iro-color-text);
}

.iro-richtext > *:first-child {
  margin-top: 0;
}

.iro-parameter-table {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--iro-color-line);
}

.iro-parameter-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--iro-color-line);
  align-items: start;
}

.iro-parameter-row span {
  color: var(--iro-color-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.iro-parameter-row strong {
  color: var(--iro-color-ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
}

.iro-detail-empty {
  margin: 0;
  color: var(--iro-color-muted);
  font-size: 15px;
}

.iro-richtext h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: 24px;
  line-height: 1.25;
  color: var(--iro-color-ink);
}

.iro-richtext h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--iro-color-ink);
}

.iro-richtext h4 {
  margin-top: 24px;
  margin-bottom: 10px;
  font-size: 17px;
  line-height: 1.35;
  color: var(--iro-color-ink);
}

.iro-richtext p {
  margin: 0 0 18px;
}

.iro-richtext ul,
.iro-richtext ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

.iro-richtext li {
  margin: 8px 0;
}

.iro-richtext ul {
  list-style: disc;
}

.iro-richtext ol {
  list-style: decimal;
}

.iro-richtext img {
  max-width: 100%;
  height: auto;
  margin: 24px 0;
  border-radius: var(--iro-radius-sm);
}

.iro-richtext blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--iro-color-primary);
  background: var(--iro-color-soft-2);
  border-radius: 0 var(--iro-radius-sm) var(--iro-radius-sm) 0;
  color: var(--iro-color-muted);
  font-style: italic;
}

.iro-richtext code {
  padding: 2px 6px;
  background: var(--iro-color-soft-2);
  border-radius: 4px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
}

.iro-richtext pre {
  margin: 20px 0;
  padding: 18px;
  overflow-x: auto;
  background: var(--iro-color-soft-2);
  border-radius: var(--iro-radius-sm);
  font-size: 14px;
  line-height: 1.5;
}

.iro-richtext pre code {
  padding: 0;
  background: none;
}

.iro-richtext-wrapper {
  overflow-x: auto;
  margin: 16px 0;
}

/* === Rich Text Tables === */
.iro-richtext table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
  -webkit-overflow-scrolling: touch;
}

.iro-richtext table th {
  padding: 12px 16px;
  border: 1px solid var(--iro-color-line);
  background: var(--iro-color-soft-2);
  color: var(--iro-color-ink);
  font-weight: 700;
  text-align: left;
  font-size: 14px;
  white-space: nowrap;
}

.iro-richtext table td {
  padding: 11px 16px;
  border: 1px solid var(--iro-color-line);
  color: var(--iro-color-text);
}

.iro-richtext table tbody tr:nth-child(even) {
  background: var(--iro-color-soft-2);
}

.iro-richtext table tbody tr:hover {
  background: var(--iro-color-soft);
}

/* ===== Inline Tag List ===== */
.iro-inline-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.iro-inline-tag-list a {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: var(--iro-radius-sm);
  border: 1px solid var(--iro-color-line);
  background: var(--iro-color-soft-2);
  color: var(--iro-color-ink);
  font-size: 13px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.iro-inline-tag-list a:hover {
  border-color: var(--iro-color-primary);
  background: #fff;
}

/* ===== Prev/Next Navigation ===== */
.iro-prevnext {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.iro-prevnext-card {
  padding: 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.iro-prevnext-card:hover {
  border-color: var(--iro-color-primary);
  transform: translateY(-1px);
}

.iro-prevnext-card span {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  color: var(--iro-color-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.iro-prevnext-card a {
  display: block;
  color: var(--iro-color-ink);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
}

.iro-prevnext-card a:hover {
  color: var(--iro-color-primary);
}

/* ===== Sidebar ===== */
.iro-detail-side-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--iro-color-line);
  color: var(--iro-color-ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.iro-sidebar-rfq {
  border-color: var(--iro-color-primary);
  background: var(--iro-color-primary);
  color: #ffffff;
}

.iro-sidebar-rfq .iro-detail-side-title {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.iro-sidebar-rfq .iro-side-note p {
  color: rgba(255, 255, 255, 0.78);
}

.iro-sidebar-rfq .iro-side-note .iro-button-primary {
  background: #ffffff;
  color: var(--iro-color-primary);
  border-color: #ffffff;
}

.iro-sidebar-rfq .iro-side-note .iro-button-secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.iro-side-link-list,
.iro-side-link-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.iro-side-link-list li + li {
  margin-top: 8px;
}

.iro-side-link-list ul {
  margin: 8px 0 0 12px;
}

.iro-side-link-list a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--iro-color-line);
  border-radius: var(--iro-radius-sm);
  background: var(--iro-color-soft-2);
  color: var(--iro-color-ink);
  font-size: 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.iro-side-link-list a:hover {
  border-color: var(--iro-color-primary);
  background: #fff;
}

.iro-side-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.iro-side-note p {
  margin: 0;
  color: var(--iro-color-muted);
  font-size: 14px;
}

.iro-side-note-muted {
  gap: 0;
}

.iro-related-products-card {
  padding: 22px;
}

.iro-related-product-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.iro-related-product-item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.iro-related-product-thumb {
  display: block;
  border: 1px solid var(--iro-color-line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.iro-related-product-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.iro-related-product-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
}

.iro-related-product-body h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.35;
}

.iro-related-product-body h3 a {
  color: var(--iro-color-ink);
}

.iro-related-product-body h3 a:hover {
  color: var(--iro-color-primary);
}

.iro-related-product-body p {
  margin: 0;
  color: var(--iro-color-muted);
  font-size: 13px;
  line-height: 1.55;
}

.iro-related-product-link {
  color: var(--iro-color-primary);
  font-size: 13px;
  font-weight: 700;
}

.iro-related-product-link:hover {
  text-decoration: underline;
}

/* ===== Cover Image (article detail) ===== */
.iro-cover-image {
  overflow: hidden;
  border-radius: var(--iro-radius-md);
  margin: 24px 0 8px;
}

.iro-cover-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Article Body Text (optimal reading width) ===== */
.iro-article-body-text {
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .iro-product-detail-top .iro-product-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .iro-product-detail-top .iro-product-gallery,
  .iro-product-main-image,
  .iro-thumb-grid {
    width: min(100%, 400px);
  }

  .iro-content-grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
  }
}

@media (max-width: 1023px) {
  .iro-detail-layout {
    grid-template-columns: 1fr;
  }

  .iro-detail-main,
  .iro-detail-sidebar {
    order: unset;
  }

  .iro-content-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .iro-content-sidebar {
    position: static;
  }

  .iro-product-detail-top .iro-product-gallery,
  .iro-product-main-image,
  .iro-thumb-grid {
    width: min(100%, 380px);
    justify-self: center;
    margin-inline: auto;
  }
}

@media (max-width: 767px) {
  .iro-detail-card,
  .iro-prevnext-card {
    padding: 20px;
  }

  .iro-thumb-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .iro-product-detail-top .iro-product-gallery,
  .iro-product-main-image,
  .iro-thumb-grid {
    width: min(100%, 340px);
  }

  .iro-spec-grid {
    grid-template-columns: 1fr;
  }

  .iro-spec-cta {
    grid-column: 1;
  }

  .iro-spec-cta .iro-button {
    width: 100%;
  }

  .iro-parameter-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .iro-related-product-item {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .iro-prevnext {
    grid-template-columns: 1fr;
  }

  .iro-image-dialog {
    width: min(92vw, 560px);
  }

  .iro-image-dialog-shell {
    padding: 12px;
    border-radius: 16px;
  }

  .iro-image-dialog-close {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }
}