/* ============================================================
   Single Product template. Own page banner (series tag) —
   not the shared page-banner.php partial.
   ============================================================ */

#page-banner {
  position: relative;
  height: 30vh;
  min-height: 210px;
  max-height: 340px;
  overflow: hidden;
}
#page-banner .banner-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 35%;
  transform: scale(1.04);
  animation: bannerZoom 9s ease-out forwards;
}
@keyframes bannerZoom { to { transform: scale(1); } }
#page-banner .banner-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(6,18,9,.9) 0%, rgba(13,33,22,.7) 50%, rgba(15,32,64,.45) 100%);
}
#page-banner .banner-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8vw;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .4rem;
  font-family: var(--font-ui);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: .85rem;
}
.breadcrumb a { color: rgba(255,255,255,.45); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover, .breadcrumb a:focus-visible { color: var(--g-400); }
.breadcrumb .bc-cat { color: var(--b-500); }
.breadcrumb .bc-current { color: var(--g-400); }
.banner-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.banner-title em { font-style: italic; color: var(--g-400); }
.banner-series-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--g-700);
  color: var(--g-400);
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .28rem .75rem;
  border-radius: 3px;
  margin-bottom: .75rem;
  width: fit-content;
}

/* Product detail */
#product-detail {
  padding: 4rem 0 0;
  background: #fff;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 42%;
  gap: 4rem;
  align-items: start;
}

/* Gallery */
.gallery-wrap {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: .65rem;
  position: sticky;
  top: 88px;
}
.thumb-strip {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.thumb {
  width: 76px;
  height: 72px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .2s, transform .2s var(--ease-out);
  flex-shrink: 0;
}
.thumb:hover { transform: translateX(3px); }
.thumb.active { border-color: var(--g-500); }
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s var(--ease-out);
}
.thumb:hover img { transform: scale(1.06); }

.main-img-wrap {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--g-100);
  aspect-ratio: 4/3;
}
.main-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .35s var(--ease-out), transform .45s var(--ease-out);
}
.main-img-wrap img.switching {
  opacity: 0;
  transform: scale(1.03);
}
.main-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 65%, rgba(6,18,9,.3) 100%);
  pointer-events: none;
}
.main-img-zoom {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 2;
  width: 2.2rem;
  height: 2.2rem;
  background: rgba(6,18,9,.55);
  backdrop-filter: blur(4px);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  cursor: pointer;
  transition: background .2s, color .2s;
}
.main-img-zoom:hover { background: var(--g-700); color: var(--g-400); }
.img-counter {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  z-index: 2;
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(255,255,255,.6);
  background: rgba(6,18,9,.45);
  backdrop-filter: blur(4px);
  padding: .22rem .6rem;
  border-radius: 3px;
}

/* Product info */
.prod-info { display: flex; flex-direction: column; gap: 0; }

.brand-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.brand-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
  border: 1px solid rgba(27,82,48,.12);
  padding: 3px 8px;
  background: #fff;
}
.brand-label {
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--g-500);
}
.brand-divider {
  width: 1px;
  height: 1.2rem;
  background: rgba(27,82,48,.2);
}

.prod-detail-name {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 700;
  color: var(--g-800);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: .9rem;
}
.prod-detail-name em { font-style: italic; color: var(--g-600); }

.prod-short-desc {
  font-size: .97rem;
  color: var(--text-secondary);
  line-height: 1.72;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(27,82,48,.08);
}

/* Key specs strip */
.key-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin-bottom: 1.75rem;
}
.key-spec {
  background: var(--light);
  border: 1px solid rgba(27,82,48,.1);
  border-radius: 8px;
  padding: .85rem .9rem;
  text-align: center;
  transition: border-color .2s, background .2s;
}
.key-spec:hover { border-color: var(--g-400); background: var(--g-100); }
.key-spec-val {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--g-700);
  letter-spacing: -0.03em;
  line-height: 1;
}
.key-spec-lbl {
  font-family: var(--font-ui);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: .3rem;
}

/* Tabs */
.detail-tabs {
  display: flex;
  border-bottom: 1px solid rgba(27,82,48,.1);
  margin-bottom: 1.5rem;
  gap: 0;
}
.tab-btn {
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: .75rem 1.1rem;
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .2s, border-color .2s;
}
.tab-btn.active { color: var(--g-600); border-bottom-color: var(--g-500); }
.tab-btn:hover:not(.active) { color: var(--g-700); }
.tab-btn:focus-visible { outline: 2px solid var(--g-400); outline-offset: 1px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.desc-body p {
  font-size: .93rem;
  color: var(--text-secondary);
  line-height: 1.76;
  margin-bottom: .9rem;
}

/* Specs table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
}
.specs-table tr {
  border-bottom: 1px solid rgba(27,82,48,.06);
  transition: background .15s;
}
.specs-table tr:hover { background: var(--g-100); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
  padding: .65rem .75rem;
  font-size: .88rem;
  vertical-align: top;
}
.specs-table td:first-child {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--g-700);
  white-space: nowrap;
  width: 44%;
}
.specs-table td:last-child { color: var(--text-secondary); }
.specs-group-head td {
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--g-500);
  padding: 1rem .75rem .35rem;
  background: none !important;
}

/* Downloads */
.download-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1rem;
  border: 1px solid rgba(27,82,48,.1);
  border-radius: 8px;
  text-decoration: none;
  margin-bottom: .65rem;
  transition: border-color .2s, background .2s, transform .2s var(--ease-out);
}
.download-item:hover, .download-item:focus-visible {
  border-color: var(--g-500);
  background: var(--g-100);
  transform: translateX(3px);
}
.download-icon {
  width: 2.4rem;
  height: 2.4rem;
  background: var(--g-100);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-600);
  flex-shrink: 0;
  transition: background .2s, color .2s;
}
.download-item:hover .download-icon { background: var(--g-700); color: var(--g-400); }
.download-name {
  font-family: var(--font-ui);
  font-size: .85rem;
  font-weight: 700;
  color: var(--g-800);
}
.download-meta {
  font-family: var(--font-ui);
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: .1rem;
}
.download-badge {
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--g-600);
  background: var(--g-100);
  border: 1px solid rgba(61,175,110,.2);
  padding: .18rem .55rem;
  border-radius: 3px;
  flex-shrink: 0;
}

/* Certificates */
.cert-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(27,82,48,.08);
}
.cert-label {
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .85rem;
}
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  padding: .7rem .85rem;
  border: 1px solid rgba(27,82,48,.12);
  border-radius: 8px;
  background: var(--light);
  transition: border-color .2s, transform .2s var(--ease-out), background .2s;
  cursor: default;
}
.cert-badge:hover {
  border-color: var(--g-400);
  background: var(--g-100);
  transform: translateY(-2px);
}
.cert-icon {
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-600);
}
.cert-name {
  font-family: var(--font-ui);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--g-700);
  text-align: center;
}
.cert-sub {
  font-family: var(--font-ui);
  font-size: .55rem;
  color: var(--text-muted);
  text-align: center;
}

.action-row {
  display: flex;
  gap: .75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

/* Inquiry form */
#inquiry-section {
  padding: 5rem 0;
  background: var(--light);
}
.inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}
.inquiry-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  font-weight: 700;
  color: var(--g-800);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1rem;
}
.inquiry-info h2 em { font-style: italic; color: var(--g-600); }
.inquiry-info p {
  font-size: .93rem;
  color: var(--text-secondary);
  line-height: 1.72;
  margin-bottom: 1.75rem;
}
.inquiry-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  margin-bottom: 1rem;
}
.inquiry-contact-icon {
  width: 2.1rem;
  height: 2.1rem;
  background: var(--g-100);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-600);
  flex-shrink: 0;
  border: 1px solid rgba(61,175,110,.2);
}
.inquiry-contact-text {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.inquiry-contact-text a { color: var(--g-600); text-decoration: none; transition: color .2s; }
.inquiry-contact-text a:hover { color: var(--g-700); }
.inquiry-contact-label {
  font-family: var(--font-ui);
  font-size: .63rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.inquiry-form {
  background: #fff;
  border: 1px solid rgba(27,82,48,.1);
  border-radius: 14px;
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-card);
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--g-800);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(27,82,48,.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: .38rem; margin-bottom: 1rem; }
.form-field label {
  font-family: var(--font-ui);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--g-700);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text-primary);
  background: var(--light);
  border: 1px solid rgba(27,82,48,.15);
  border-radius: 7px;
  padding: .65rem .9rem;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
  width: 100%;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--g-500);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(61,175,110,.12);
}
.form-field textarea { resize: vertical; min-height: 100px; }
.form-field select { appearance: none; cursor: pointer; }
.form-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  background: var(--g-700);
  color: #fff;
  padding: .95rem 2rem;
  font-family: var(--font-ui);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .25s, box-shadow .25s, transform .2s;
  margin-top: .5rem;
}
.form-submit:hover {
  background: var(--g-600);
  box-shadow: 0 6px 22px rgba(61,175,110,.3);
  transform: translateY(-1px);
}
.form-submit:active { transform: translateY(0); }
.form-submit:disabled { opacity: .6; cursor: not-allowed; }
.form-note {
  font-family: var(--font-ui);
  font-size: .7rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: .75rem;
}
.form-error {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #991B1B;
  border-radius: 8px;
  padding: .75rem 1rem;
  font-size: .82rem;
  margin-bottom: 1rem;
  display: none;
}
.form-error.visible { display: block; }

/* Other products carousel */
#other-products {
  padding: 5rem 0;
  background: #fff;
  overflow: hidden;
}
.carousel-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}
.carousel-controls {
  display: flex;
  gap: .5rem;
}
.carousel-btn {
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid rgba(27,82,48,.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--g-700);
  background: #fff;
  transition: background .2s, border-color .2s, color .2s, transform .2s var(--ease-spring);
}
.carousel-btn:hover {
  background: var(--g-700);
  border-color: var(--g-700);
  color: var(--g-400);
  transform: scale(1.06);
}
.carousel-track-wrap { overflow: hidden; }
.carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform .45s var(--ease-out);
}

.c-card {
  flex: 0 0 calc(25% - 1.125rem);
  background: #fff;
  border: 1px solid rgba(27,82,48,.08);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.c-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-elevated);
}
.c-card-img {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--g-100);
}
.c-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease-out);
}
.c-card:hover .c-card-img img { transform: scale(1.06); }
.c-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(6,18,9,.4) 100%);
  pointer-events: none;
}
.c-badge {
  position: absolute;
  top: .7rem;
  left: .7rem;
  font-family: var(--font-ui);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: rgba(13,33,22,.7);
  backdrop-filter: blur(4px);
  color: var(--g-400);
  padding: .2rem .55rem;
  border-radius: 3px;
  border: 1px solid rgba(61,175,110,.2);
}
.c-card-body { padding: 1.1rem 1.25rem 1.25rem; }
.c-card-brand {
  font-family: var(--font-ui);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--g-500);
  margin-bottom: .3rem;
}
.c-card-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--g-800);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: .5rem;
  transition: color .2s;
}
.c-card:hover .c-card-name { color: var(--g-600); }
.c-card-spec {
  font-family: var(--font-ui);
  font-size: .72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: .35rem;
}
.c-card-spec::before {
  content: '';
  width: 1rem;
  height: 1px;
  background: var(--g-400);
  flex-shrink: 0;
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6,18,9,.92);
  backdrop-filter: blur(8px);
  z-index: 9000;
  display: none;
  align-items: center;
  justify-content: center;
}
#lightbox.open { display: flex; }
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
#lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  font-size: 1.25rem;
  transition: background .2s;
}
#lightbox-close:hover { background: rgba(255,255,255,.1); }

/* Responsive */
@media (max-width: 1100px) {
  .detail-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .gallery-wrap { position: static; }
  .inquiry-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .c-card { flex: 0 0 calc(33.33% - 1rem); }
}
@media (max-width: 768px) {
  .gallery-wrap { grid-template-columns: 1fr; }
  .thumb-strip { flex-direction: row; overflow-x: auto; }
  .thumb { width: 64px; height: 60px; }
  .key-specs { grid-template-columns: repeat(3, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .c-card { flex: 0 0 calc(50% - .75rem); }
}
@media (max-width: 480px) {
  .c-card { flex: 0 0 calc(80% - .75rem); }
  .key-specs { grid-template-columns: repeat(2, 1fr); }
}