/* =================== ROOT / RESET =================== */

em { font-style: normal; color: var(--accent); }

/* =================== TYPOGRAPHY =================== */

/* =================== BUTTONS =================== */

/* =================== TOPBAR =================== */

.topbar__social a:hover { background: var(--accent); color: #ffffff; }

/* =================== HEADER =================== */

/* =================== PAGE HERO =================== */
.page-hero {
  position: relative;
  background: var(--dark);
  padding: 80px 0 90px;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(13, 92, 245, 0.30), transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(30, 167, 255, 0.15), transparent 45%);
}
.page-hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 70px 70px;
}
.page-hero__inner { position: relative; }

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}
.breadcrumb a { color: rgba(255,255,255,0.5); transition: color .25s var(--t); }

.breadcrumb i { font-size: 0.65rem; }
.breadcrumb span { color: rgba(255,255,255,0.85); font-weight: normal; }

.page-hero__content { max-width: 680px; margin-bottom: 52px; }
.page-hero__title {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  color: #ffffff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.page-hero__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 560px;
}

/* =================== CATALOG =================== */
.catalog {
  padding: 100px 0;
  background: var(--bg-2);
  position: relative;
}
.catalog::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(13, 92, 245, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 92, 245, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.catalog .container { position: relative; }

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: all .4s var(--t);
  position: relative;
}
.cat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--accent);
  transition: width .4s var(--t);
  z-index: 2;
}
.cat-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 24px 50px rgba(13, 92, 245, 0.14);
}
.cat-card:hover::before { width: 100%; }
.cat-card.hidden { display: none; }

.cat-card__thumb {
  aspect-ratio: 16/9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cat-card__thumb--metal    { background: linear-gradient(135deg, #0b1e3f 0%, #1a3a6e 100%); }
.cat-card__thumb--weigh    { background: linear-gradient(135deg, #0d5cf5 0%, #0942b8 100%); }
.cat-card__thumb--vision   { background: linear-gradient(135deg, #0b2d52 0%, #0d5cf5 100%); }
.cat-card__thumb--xray     { background: linear-gradient(135deg, #122c54 0%, #1ea7ff 100%); }
.cat-card__thumb--capsule-weigh { background: linear-gradient(135deg, #0b3a6e 0%, #0d5cf5 100%); }
.cat-card__thumb--counting { background: linear-gradient(135deg, #06102a 0%, #0b1e3f 100%); }
.cat-card__thumb--filler   { background: linear-gradient(135deg, #0942b8 0%, #1ea7ff 100%); }
.cat-card__thumb--roller   { background: linear-gradient(135deg, #0b2040 0%, #122c54 100%); }

.cat-card__thumb::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.cat-card__icon {
  font-size: 3.2rem;
  color: rgba(255,255,255,0.85);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.3));
}
/* .cat-card__badge {
  position: absolute;
  top: 14px; right: 14px;
  padding: 5px 12px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-family: 'Archivo', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.06em;
  z-index: 2;
} */

.cat-card__body { padding: 24px; }
.cat-card__tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.cat-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  transition: color .25s var(--t);
  line-height: 1.3;
}
.cat-card:hover h3 { color: var(--accent); }
.cat-card p {
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 16px;
}
/* .cat-card__variants {
  margin-bottom: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.cat-card__variants li {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-card__variants li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.cat-card__variants li.more { color: var(--text-mute); font-style: italic; }
.cat-card__variants li.more::before { background: var(--text-mute); }
.cat-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap .25s var(--t);
} */
.cat-card__link:hover { gap: 14px; }

/* =================== CATALOG LAYOUT (category filter + product list) ===================
   Replaces the old cat-card grid that linked out to a separate per-category page: a
   vertical "Filter by Category" sidebar (same idea as the solutions page's explorer rail)
   lists every ProductCategory, sitting beside the grid of every category's products at
   once, filtered client-side by .catalog-filter (data-category). */
.catalog__layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 28px;
  align-items: start;
}
.category-filter { position: relative; }
.category-filter__panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px 20px;
  box-shadow: 0 4px 16px rgba(11, 30, 63, 0.05);
  position: sticky;
  top: 100px;
}
.category-filter__heading {
  display: block;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 16px;
}
.category-filter__list { display: flex; flex-direction: column; gap: 4px; }
.category-filter__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  border: none;
  background: transparent;
  border-radius: 12px;
  padding: 12px 14px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background .25s var(--t), color .25s var(--t);
}
.category-filter__item:hover:not(.is-empty):not(.active) { background: var(--bg-2); }
.category-filter__item.active { background: var(--accent-soft); color: var(--accent); }
.category-filter__item-count { color: var(--text-dim); font-weight: 700; }
.category-filter__item.active .category-filter__item-count { color: var(--accent); }
.category-filter__item.is-empty { color: var(--text-mute); cursor: default; }
.category-filter__item.is-empty .category-filter__item-count { color: var(--text-mute); }
/* Hidden on desktop — .category-filter__panel itself is the visible control there; the
   toggle only takes over once the sidebar no longer fits well beside the grid (see the
   max-width: 768px block below). */
.category-filter__toggle { display: none; }

.variant-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  /* catalog_filter_controller.js sets an inline max-height matching the sidebar panel's
     actual rendered height (CSS auto-sizing can't cap one grid column to a shorter sibling's
     height — see the controller's syncGridHeight comment). This is only the pre-JS fallback. */
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  padding: 6px;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* legacy Edge */
}
.variant-list::-webkit-scrollbar { display: none; } /* Chrome, Safari */
/* No `overflow: hidden` here — .variant-list now has a definite max-height + overflow-y:auto
   (see above), and a grid item with non-visible overflow gets its automatic minimum size
   treated as 0 for `auto` row tracks, which let the browser compress every row to fit instead
   of overflowing/scrolling at full height. The rounded-corner clipping this used to provide is
   done per-child below instead (.vl-item__thumb / .vl-item__action). */
.vl-item {
  display: grid;
  grid-template-rows: 180px 1fr 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 4px 16px rgba(11, 30, 63, 0.07);
  transition: box-shadow 0.25s var(--t), transform 0.25s var(--t), border-color 0.25s var(--t);
}
.vl-item:hover { box-shadow: 0 12px 32px rgba(13, 92, 245, 0.14); transform: translateY(-2px); border-color: var(--accent); }
.vl-item.hidden { display: none; }

.vl-item__thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #ffffff;
  overflow: hidden;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}
.vl-item__thumb--1 { background: linear-gradient(160deg, #0b1e3f, #1a3a6e); }
.vl-item__thumb--2 { background: linear-gradient(160deg, #0d5cf5, #0b1e3f); }
.vl-item__thumb--3 { background: linear-gradient(160deg, #0b2d52, #0942b8); }
.vl-item__thumb--4 { background: linear-gradient(160deg, #122c54, #1ea7ff); }
.vl-item__thumb--5 { background: linear-gradient(160deg, #0b3a6e, #0d5cf5); }
.vl-item__thumb--6 { background: linear-gradient(160deg, #06102a, #122c54); }
.vl-item__thumb--image { background: #ffffff; }
.vl-item__thumb-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  padding: 12px;
  box-sizing: border-box;
}

.vl-item__body { padding: 20px 24px; border-top: 1px solid var(--line); }
.vl-item__meta { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; min-width: 0; }
.vl-item__tag {
  font-family: 'Archivo', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.vl-item__body h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.vl-item__body p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}

.vl-item__action {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}
.vl-item__plain-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  white-space: nowrap;
  transition: gap 0.25s var(--t);
}
.vl-item__plain-link:hover { gap: 14px; }

/* =================== STATS STRIP =================== */

.stat__num--plain::after { content: ""; }
.stat--no-plus .stat__num::after { content: ""; }

/* =================== WHY TCT =================== */
.why-tct {
  padding: 100px 0;
  background: var(--bg);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.why-card {
  padding: 36px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-2);
  transition: all .4s var(--t);
  position: relative;
  overflow: hidden;
}
.why-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--t);
}
.why-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 20px 40px rgba(13,92,245,0.10); }
.why-card:hover::after { transform: scaleX(1); }
.why-card__icon {
  width: 56px; height: 56px;
  background: var(--accent-soft);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: all .3s var(--t);
}
.why-card:hover .why-card__icon { background: var(--accent); color: #ffffff; }
.why-card h4 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  line-height: 1.3;
}
.why-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* =================== CTA =================== */
.cta {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
}
.cta__bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 60%, #0d5cf5 100%);
}
.cta__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 70px 70px;
}
.cta__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta__title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 20px;
}

.cta__desc {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 44px;
}

/* =================== FOOTER ===================
   Matches home.css's footer (the site's reference design). */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding-top: 90px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer__grid {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 50px;
  padding-bottom: 70px;
}
.footer__brand { flex: 0 1 240px; min-width: 200px; }
.footer__col { flex: 1 1 0; min-width: 140px; }
.footer__brand p { color: rgba(255,255,255,0.65); margin: 22px 0; font-size: 0.95rem; line-height: 1.7; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: #ffffff;
  transition: all .3s var(--t);
}
.footer__social a:hover { background: var(--accent); color: #ffffff; transform: translateY(-4px); }
.footer__col h5 {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  text-transform: none;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: #ffffff;
  position: relative;
  padding-bottom: 12px;
}
.footer__col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  transition: all .25s var(--t);
  display: inline-flex; align-items: center; gap: 6px;
}
.footer__contact p { color: rgba(255,255,255,0.65); font-size: 0.92rem; margin-bottom: 16px; line-height: 1.7; }
.footer__contact a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: none;
}
.footer__contact a i { color: var(--accent-2); width: 18px; flex-shrink: initial; }
.footer__contact a:hover { color: #ffffff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.footer__bottom-inner {
  display: flex; justify-content: space-between;
  align-items: normal;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* =================== BACK TO TOP =================== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(16px);
  transition: all .35s var(--t);
  z-index: 99;
  box-shadow: 0 8px 24px rgba(13,92,245,0.35);
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-dark); transform: translateY(-3px); }

/* =================== SCROLL REVEAL =================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s var(--t), transform .65s var(--t); }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .catalog__layout { grid-template-columns: 1fr; }
  .category-filter__panel { position: static; }
  .stats-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { flex-wrap: wrap; gap: 40px; }
  .footer__brand { flex: 1 1 100%; }
  .footer__col { flex: 1 1 calc(50% - 20px); min-width: 200px; }
  .nav, .header__cta { display: none; }
  .menu-toggle { display: flex; }
  .nav.open {
    display: block; position: absolute; top: 100%; left: 0; right: 0;
    background: #ffffff; border-top: 1px solid var(--line);
    padding: 20px; box-shadow: 0 10px 30px rgba(11, 30, 63, 0.08);
  }
  .nav.open ul { flex-direction: column; gap: 0; }
  .nav.open a { display: flex; width: 100%; justify-content: space-between; padding: 14px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .mega { display: none; }
  .hero__meta { flex-wrap: wrap; gap: 24px; }
  .hero__meta-div { display: none; }
  .hero__meta-item { padding: 0; }
}
@media (max-width: 768px) {
  .catalog__grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .catalog { padding: 70px 0; }
  .why-tct { padding: 70px 0; }
  .cta { padding: 90px 0; }
  .page-hero { padding: 64px 0 70px; }
  .variant-list { grid-template-columns: 1fr; max-height: none; overflow-y: visible; padding: 0; }

  /* Category filter collapses behind a select-style toggle instead of showing the whole
     sidebar — with a dozen+ categories, the full list otherwise pushes the product grid
     halfway down the screen. */
  .category-filter { margin-bottom: 24px; }
  .category-filter__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    font-family: 'Archivo', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text);
    cursor: pointer;
  }
  .category-filter__toggle i { color: var(--text-dim); transition: transform .25s var(--t); flex-shrink: 0; }
  .category-filter.open .category-filter__toggle i { transform: rotate(180deg); }
  .category-filter.open .category-filter__toggle { border-color: var(--accent); color: var(--accent); }

  .category-filter__panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    margin-top: 8px;
    max-height: 60vh;
    overflow-y: auto;
    box-shadow: 0 16px 40px rgba(11, 30, 63, 0.16);
  }
  .category-filter.open .category-filter__panel { display: block; }
}
@media (max-width: 640px) {
  .catalog__grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-strip { padding: 36px 0; }
  .stats-strip__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat { padding-left: 12px; border-left-width: 3px; }
  .stat__num { font-size: 2.4rem; margin-bottom: 4px; }
  .stat__num::after { font-size: 1.6rem; }
  .stat__label { font-size: 0.75rem; line-height: 1.3; }
  .footer { padding-top: 44px; }
  .footer__grid { flex-direction: column; }
  .footer__brand, .footer__col { flex: 1 1 auto; width: 100%; min-width: 0; }
  .cta__actions { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .stats-strip__grid { gap: 6px; }
  .stat { padding-left: 8px; }
  .stat__num { font-size: 2rem; }
  .stat__num::after { font-size: 1.3rem; }
  .stat__label { font-size: 0.68rem; }
}