/* ═══════════════════════════════════════════════════════════════
   CATALOG PAGE — РЭДИ ИНЖИНИРИНГ
   Промышленный каталог с боковыми фильтрами и карточками товаров
   ═══════════════════════════════════════════════════════════════ */

/* ── Page header ─────────────────────────────────────────────── */
.cat-page-header {
  background: var(--clr-bg2);
  border-bottom: 3px solid var(--clr-red);
  padding: 28px 0 24px;
}
.cat-page-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 4px;
}
.cat-page-header > .container > nav.breadcrumbs ol {
  display: flex; gap: 0; list-style: none; padding: 0; margin: 0 0 10px;
}
.cat-page-header > .container > nav.breadcrumbs ol li { display: flex; align-items: center; }
.cat-page-header > .container > nav.breadcrumbs ol li:not(:last-child)::after {
  content: '›'; margin: 0 6px; color: #bbb; font-size: .85rem;
}
.cat-page-header > .container > nav.breadcrumbs ol a { font-size: .8rem; color: var(--clr-mid); }
.cat-page-header > .container > nav.breadcrumbs ol li.active { font-size: .8rem; color: var(--clr-gray); }

.cat-page-header-inner {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cat-page-header p { color: var(--clr-mid); margin: 0; font-size: .9rem; }
.cat-quick-tip {
  display: flex; align-items: center; gap: 7px;
  background: #fff; border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-red);
  border-radius: var(--radius); padding: 10px 14px;
  font-size: .78rem; color: var(--clr-mid); white-space: nowrap;
  flex-shrink: 0;
}
.cat-quick-tip svg { width: 14px; height: 14px; color: var(--clr-red); flex-shrink: 0; }

/* ── Layout ──────────────────────────────────────────────────── */
.cat-layout { background: var(--clr-bg2); padding: 28px 0 60px; }
.cat-layout-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.cat-sidebar {
  position: sticky;
  top: calc(var(--header-top-h) + var(--header-main-h) + 16px);
  max-height: calc(100vh - var(--header-top-h) - var(--header-main-h) - 32px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #ddd transparent;
}
.cat-sidebar::-webkit-scrollbar { width: 4px; }
.cat-sidebar::-webkit-scrollbar-thumb { background: #ddd; border-radius: 2px; }

.filter-toggle-btn {
  display: none; /* hidden desktop, shown mobile */
  width: 100%; align-items: center; gap: 8px;
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 11px 16px;
  font-family: var(--font-head); font-size: .82rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--clr-dark);
  cursor: pointer; transition: var(--transition);
}
.filter-toggle-btn:hover { border-color: var(--clr-red); color: var(--clr-red); }
.filter-toggle-btn svg { width: 15px; height: 15px; }
.filter-active-count {
  margin-left: auto; background: var(--clr-red); color: #fff;
  border-radius: 9px; padding: 1px 6px; font-size: .7rem;
}

.cat-filters {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.filter-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  background: var(--clr-dark);
}
.filter-title-main {
  font-family: var(--font-head); font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: #fff;
}
.filter-reset {
  font-size: .72rem; color: rgba(255,255,255,.55);
  background: none; border: none; cursor: pointer;
  transition: var(--transition); padding: 0;
}
.filter-reset:hover { color: var(--clr-red); }

.filter-group {
  border-bottom: 1px solid var(--clr-border);
  padding: 14px 16px;
}
.filter-group:last-of-type { border-bottom: none; }
.filter-group-title {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-head); font-size: .66rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--clr-gray); margin-bottom: 10px;
}
.filter-group-title svg { width: 12px; height: 12px; }

.filter-options { display: flex; flex-direction: column; gap: 2px; }
.filter-opt {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 6px 8px; border-radius: var(--radius);
  font-size: .82rem; color: var(--clr-mid);
  cursor: pointer; transition: var(--transition);
  user-select: none;
}
.filter-opt:hover { background: var(--clr-bg2); color: var(--clr-dark); }
.filter-opt.active { color: var(--clr-red); background: var(--clr-red-light); font-weight: 500; }
.filter-opt.active .filter-check { border-color: var(--clr-red); background: var(--clr-red); }
.filter-opt.active .filter-check::after { display: block; }
.filter-opt small {
  display: block; font-size: .72rem; color: #bbb; font-weight: 400; margin-top: 1px;
}

.filter-check {
  flex-shrink: 0; margin-top: 2px;
  width: 14px; height: 14px;
  border: 1.5px solid var(--clr-border); border-radius: 3px;
  position: relative; background: #fff; transition: var(--transition);
}
.filter-check::after {
  display: none; content: '';
  position: absolute; top: 1px; left: 3px;
  width: 5px; height: 8px;
  border: 2px solid #fff; border-top: none; border-left: none;
  transform: rotate(45deg);
}

.filter-cnt {
  margin-left: auto; font-size: .7rem; color: #bbb; flex-shrink: 0;
  background: var(--clr-bg2); border-radius: 9px; padding: 1px 6px;
}

/* Sidebar CTA */
.sidebar-cta {
  margin: 0; padding: 16px;
  background: var(--clr-dark);
  text-align: center;
}
.sidebar-cta-icon {
  width: 36px; height: 36px; background: var(--clr-red); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
}
.sidebar-cta-icon svg { width: 18px; height: 18px; color: #fff; }
.sidebar-cta p {
  font-size: .78rem; color: rgba(255,255,255,.6); margin-bottom: 12px; line-height: 1.5;
}
.sidebar-cta strong {
  display: block; color: #fff; font-size: .84rem; margin-bottom: 4px;
}
.sidebar-cta .btn { font-size: .78rem; padding: 8px 14px; }

/* ── Main area ───────────────────────────────────────────────── */
.cat-main { min-width: 0; }

/* Toolbar */
.cat-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 10px 16px;
  margin-bottom: 16px;
}
.cat-toolbar-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cat-result-count {
  font-family: var(--font-head); font-size: .8rem; font-weight: 600;
  color: var(--clr-gray); letter-spacing: .04em;
  white-space: nowrap;
}
.cat-result-count span { color: var(--clr-red); }

/* Active filter tags */
.active-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.active-tag {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--clr-red-light); border: 1px solid rgba(200,16,46,.2);
  color: var(--clr-red); border-radius: 99px;
  font-size: .7rem; font-weight: 600; padding: 2px 8px;
}
.active-tag button {
  background: none; border: none; color: var(--clr-red);
  cursor: pointer; padding: 0; line-height: 1; font-size: .9rem; margin-left: 2px;
}

/* View toggle */
.cat-toolbar-right { display: flex; align-items: center; gap: 8px; }
.view-toggle-label { font-size: .74rem; color: var(--clr-muted); white-space: nowrap; }
.view-toggle { display: flex; border: 1px solid var(--clr-border); border-radius: var(--radius); overflow: hidden; }
.view-btn {
  padding: 6px 10px; background: none; border: none; cursor: pointer;
  color: var(--clr-mid); transition: var(--transition); display: flex; align-items: center;
}
.view-btn svg { width: 14px; height: 14px; }
.view-btn.active { background: var(--clr-red); color: #fff; }
.view-btn:not(.active):hover { background: var(--clr-bg2); }

/* ── Group / section headings ────────────────────────────────── */
.cat-group-heading {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
  color: #fff; text-transform: uppercase; letter-spacing: .04em;
  padding: 14px 18px;
  background: var(--clr-dark);
  border-radius: var(--radius);
  margin: 24px 0 12px;
  grid-column: 1 / -1;
}
.cat-group-heading:first-child { margin-top: 0; }
.cat-group-heading svg { width: 18px; height: 18px; color: var(--clr-red); flex-shrink: 0; }

/* Light section divider — used for new flat catalog order */
.cat-section-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: .82rem; font-weight: 700;
  color: var(--clr-dark); text-transform: uppercase; letter-spacing: .08em;
  padding: 10px 14px 10px 12px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-red);
  border-radius: var(--radius);
  margin: 20px 0 10px;
  grid-column: 1 / -1;
}
.cat-section-title:first-child { margin-top: 0; }
.cat-section-title svg { width: 15px; height: 15px; color: var(--clr-red); flex-shrink: 0; }

.cat-subheading {
  grid-column: 1 / -1;
  font-family: var(--font-head); font-size: .7rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--clr-mid);
  border-left: 3px solid var(--clr-border);
  padding: 0 0 0 10px;
  margin: 4px 0 10px;
}

/* ── Product cards — GRID view ───────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.cat-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.cat-card:hover {
  border-color: rgba(200,16,46,.3);
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

/* Card image */
.cat-card-img {
  position: relative; overflow: hidden;
  height: 160px; background: #f0f0f0; flex-shrink: 0;
}
.cat-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.cat-card:hover .cat-card-img img { transform: scale(1.04); }

.cat-badge {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--font-head); font-size: .62rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 3px;
}
.cat-badge.stock { background: #16a34a; color: #fff; }
.cat-badge.order { background: #d97706; color: #fff; }
.cat-badge.hot   { background: var(--clr-red); color: #fff; }

.cat-badge-type {
  position: absolute; bottom: 0; left: 0; right: 0;
  font-size: .65rem; font-weight: 600; letter-spacing: .06em;
  background: rgba(0,0,0,.55); color: rgba(255,255,255,.9);
  backdrop-filter: blur(4px);
  padding: 4px 10px; text-transform: uppercase;
}

/* Card body */
.cat-card-body {
  padding: 14px 14px 0;
  flex: 1; display: flex; flex-direction: column;
}
.cat-card-group-tag {
  font-size: .64rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--clr-red); margin-bottom: 4px;
}
.cat-card-title {
  font-size: .92rem; font-weight: 700; color: var(--clr-dark);
  margin-bottom: 5px; line-height: 1.3;
  font-family: var(--font-head); letter-spacing: .01em; text-transform: none;
}
.cat-card-desc {
  font-size: .78rem; color: var(--clr-mid); margin-bottom: 10px; line-height: 1.55;
}

/* Specs table */
.cat-specs {
  width: 100%; border-collapse: collapse; margin-bottom: 12px; font-size: .76rem;
}
.cat-specs tr { border-bottom: 1px solid var(--clr-border); }
.cat-specs tr:last-child { border-bottom: none; }
.cat-specs td {
  padding: 4px 0; vertical-align: top;
  color: var(--clr-mid); line-height: 1.4;
}
.cat-specs td:first-child { width: 52%; color: var(--clr-gray); }
.cat-specs td strong { color: var(--clr-dark); }

/* Card footer */
.cat-card-footer {
  margin-top: auto; padding: 10px 0 14px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--clr-border); gap: 8px;
}
.cat-price {
  font-family: var(--font-head); font-size: .82rem; font-weight: 700;
  color: var(--clr-dark); letter-spacing: .03em;
}

/* ── LIST VIEW ───────────────────────────────────────────────── */
.cat-grid.list-view {
  grid-template-columns: 1fr;
  gap: 10px;
}
.cat-grid.list-view .cat-group-heading,
.cat-grid.list-view .cat-subheading { grid-column: 1; }

.cat-grid.list-view .cat-card {
  flex-direction: row;
  max-height: 180px;
}
.cat-grid.list-view .cat-card-img {
  width: 220px; min-width: 220px; height: auto;
  border-radius: 0;
}
.cat-grid.list-view .cat-card-body {
  padding: 14px 16px 0;
}
.cat-grid.list-view .cat-card-desc { display: none; }
.cat-grid.list-view .cat-specs { margin-bottom: 6px; }
.cat-grid.list-view .cat-specs tr:nth-child(n+4) { display: none; }
.cat-grid.list-view .cat-card-footer { padding: 8px 0 14px; }

/* ── HIDDEN items ────────────────────────────────────────────── */
.cat-card.hidden,
.cat-group-heading.hidden,
.cat-subheading.hidden { display: none; }

/* ── Empty state ─────────────────────────────────────────────── */
.cat-empty {
  grid-column: 1 / -1;
  text-align: center; padding: 60px 24px;
  background: var(--clr-bg); border: 1px solid var(--clr-border); border-radius: var(--radius-md);
}
.cat-empty svg { width: 52px; height: 52px; color: #ddd; margin: 0 auto 16px; display: block; }
.cat-empty h3 { font-size: 1.1rem; color: var(--clr-gray); margin-bottom: 8px; }
.cat-empty p { font-size: .86rem; color: var(--clr-mid); margin-bottom: 20px; }
.cat-empty p a { color: var(--clr-red); }

/* ── Bottom CTA ──────────────────────────────────────────────── */
.cat-bottom-cta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 28px; padding: 20px 22px;
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-top: 3px solid var(--clr-red); border-radius: var(--radius-md);
}
.cat-bottom-cta-icon {
  width: 44px; height: 44px; background: var(--clr-red-light);
  border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cat-bottom-cta-icon svg { width: 20px; height: 20px; color: var(--clr-red); }
.cat-bottom-cta > div { flex: 1; min-width: 180px; }
.cat-bottom-cta strong { display: block; font-size: .92rem; color: var(--clr-dark); margin-bottom: 2px; }
.cat-bottom-cta p { font-size: .8rem; color: var(--clr-mid); margin: 0; }
.cat-bottom-cta .btn { flex-shrink: 0; white-space: nowrap; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cat-layout-inner { grid-template-columns: 220px 1fr; }
}

@media (max-width: 860px) {
  .cat-layout-inner { grid-template-columns: 1fr; }

  .cat-sidebar {
    position: static; max-height: none;
    overflow: visible;
  }

  .filter-toggle-btn { display: flex; }

  .cat-filters {
    display: none;
    margin-top: 8px;
  }
  .cat-filters.open { display: block; }

  .cat-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

  .cat-grid.list-view .cat-card {
    flex-direction: column; max-height: none;
  }
  .cat-grid.list-view .cat-card-img { width: 100%; height: 160px; }
  .cat-grid.list-view .cat-card-desc { display: block; }
  .cat-grid.list-view .cat-specs tr:nth-child(n+4) { display: table-row; }
}

@media (max-width: 500px) {
  .cat-grid { grid-template-columns: 1fr; }
  .cat-page-header-inner { flex-direction: column; }
  .cat-quick-tip { display: none; }
  .cat-bottom-cta { flex-direction: column; text-align: center; }
}

/* ── Catalog search bar ──────────────────────────────────────── */
.cat-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 14px;
  transition: border-color .2s;
}
.cat-search-bar:focus-within {
  border-color: var(--clr-red);
  box-shadow: 0 0 0 3px rgba(200,16,46,.08);
}
.cat-search-bar > svg {
  width: 18px; height: 18px;
  color: var(--clr-muted);
  flex-shrink: 0;
}
.cat-search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: .95rem;
  font-family: var(--font-body);
  color: var(--clr-dark);
}
.cat-search-bar input::placeholder { color: var(--clr-muted); }
.cat-search-clear {
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  padding: 2px; color: var(--clr-muted);
  transition: color .15s;
}
.cat-search-clear:hover { color: var(--clr-red); }
.cat-search-clear svg { width: 16px; height: 16px; }