/* ============================================================
   CIRCONIS — Products Catalogue Page Styles
   css/products.css
   ============================================================ */


/* ============================================================
   PAGE HERO
   ============================================================ */
   .page-hero {
    background: var(--color-bg-dark);
    padding-top: calc(var(--nav-height) + clamp(var(--sp-12), 6vw, var(--sp-20)));
    padding-bottom: clamp(var(--sp-10), 5vw, var(--sp-16));
    border-bottom: 1px solid var(--color-border-dark);
  }
  
  .page-hero__inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-10);
    flex-wrap: wrap;
  }
  
  .page-hero__text {
    max-width: 56ch;
  }
  
  .page-hero__title {
    font-size: clamp(var(--text-4xl), 6vw, var(--text-5xl));
    color: var(--color-bg);
    line-height: 1.0;
    margin-top: var(--sp-4);
    margin-bottom: var(--sp-5);
  }
  
  .page-hero__desc {
    font-size: var(--text-md);
    color: var(--color-muted);
    line-height: 1.7;
  }
  
  .page-hero__stats {
    display: flex;
    gap: clamp(var(--sp-8), 3vw, var(--sp-12));
    flex-shrink: 0;
  }
  
  .page-hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-1);
    text-align: center;
  }
  
  .page-hero__stat-value {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
    color: var(--color-primary);
    line-height: 1;
    display: block;
  }
  
  .page-hero__stat-label {
    color: var(--color-muted);
    font-size: var(--text-xs);
    display: block;
  }
  
  
  /* ============================================================
     FILTER BAR
     ============================================================ */
  .filter-bar {
    background: var(--color-surface-dark);
    border-bottom: 1px solid var(--color-border-dark);
    position: sticky;
    top: var(--nav-height);
    z-index: 10;
    padding-block: var(--sp-4);
  }
  
  .filter-bar__inner {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    flex-wrap: wrap;
  }
  
  .filter-bar__label {
    color: var(--color-muted);
    flex-shrink: 0;
  }
  
  .filter-bar__buttons {
    display: flex;
    gap: var(--sp-2);
    flex-wrap: wrap;
    flex: 1;
  }
  
  .filter-btn {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-dark);
    color: var(--color-muted);
    background: transparent;
    cursor: pointer;
    transition:
      color var(--dur-fast) var(--ease-out),
      border-color var(--dur-fast) var(--ease-out),
      background var(--dur-fast) var(--ease-out);
    white-space: nowrap;
  }
  
  .filter-btn:hover {
    color: var(--color-bg);
    border-color: rgba(220, 169, 80, 0.4);
  }
  
  .filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
  }
  
  .filter-bar__count {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-left: auto;
    flex-shrink: 0;
    white-space: nowrap;
  }
  
  
  /* ============================================================
     CATALOGUE GRID
     ============================================================ */
  .catalogue {
    background: var(--color-bg-dark);
  }
  
  .catalogue-grid {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
  }
  
  /* Empty state */
  .catalogue__empty {
    text-align: center;
    padding: var(--sp-16);
    color: var(--color-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-5);
  }
  
  
  /* ============================================================
     CATALOGUE CARD  (cat-card)
     Horizontal layout: image left, details right
     ============================================================ */
  .cat-card {
    display: grid;
    grid-template-columns: 260px 1fr;
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition:
      border-color var(--dur-mid) var(--ease-out),
      transform var(--dur-mid) var(--ease-out),
      box-shadow var(--dur-mid) var(--ease-out);
  }
  
  .cat-card:hover {
    border-color: rgba(220, 169, 80, 0.4);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
  }
  
  /* Image */
  .cat-card__image-link {
    display: block;
    height: 100%;
  }
  
  .cat-card__image-wrap {
    background: #0a0806;
    height: 100%;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-8);
    overflow: hidden;
  }
  
  .cat-card__image {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    transition: transform var(--dur-slow) var(--ease-out);
  }
  
  .cat-card:hover .cat-card__image {
    transform: scale(1.06);
  }
  
  /* Body */
  .cat-card__body {
    display: flex;
    flex-direction: column;
    padding: var(--sp-8) var(--sp-10);
    gap: var(--sp-3);
    border-left: 1px solid var(--color-border-dark);
    min-width: 0;
  }
  
  .cat-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-2);
  }
  
  .cat-card__sku {
    font-size: 10px;
  }
  
  .cat-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    letter-spacing: var(--ls-heading);
    line-height: 1.05;
  }
  
  .cat-card__name-link {
    color: var(--color-bg);
    transition: color var(--dur-fast) var(--ease-out);
  }
  
  .cat-card__name-link:hover {
    color: var(--color-primary);
  }
  
  .cat-card__desc {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: 1.65;
  }
  
  /* Specs mini-table */
  .cat-card__specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-4);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-dark);
  }
  
  .cat-card__specs li {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .cat-card__specs li span:first-child {
    color: var(--color-muted);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  
  .cat-card__specs li span:last-child {
    color: rgba(231, 219, 199, 0.8);
    font-size: var(--text-sm);
    font-weight: 500;
  }
  
  /* Footer */
  .cat-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--color-border-dark);
    margin-top: auto;
  }
  
  .cat-card__price {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    letter-spacing: var(--ls-heading);
    color: var(--color-primary);
    line-height: 1;
  }
  
  .cat-card__vat {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0;
  }
  
  
  /* ============================================================
     B2B CALLOUT
     ============================================================ */
  .b2b-callout {
    background: var(--color-bg-mid);
    border-top: 1px solid var(--color-border-dark);
  }
  
  .b2b-callout__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(var(--sp-12), 6vw, var(--sp-24));
    align-items: start;
  }
  
  .b2b-callout__title {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
    color: var(--color-bg);
    margin-top: var(--sp-4);
    margin-bottom: var(--sp-5);
    line-height: 1.05;
  }
  
  .b2b-callout__desc {
    font-size: var(--text-base);
    color: var(--color-muted);
    line-height: 1.75;
    margin-bottom: var(--sp-8);
  }
  
  .b2b-callout__actions {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
  }
  
  /* Feature list */
  .b2b-callout__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }
  
  .b2b-feature {
    display: flex;
    gap: var(--sp-4);
    align-items: flex-start;
    padding: var(--sp-5);
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    transition: border-color var(--dur-mid) var(--ease-out);
  }
  
  .b2b-feature:hover {
    border-color: rgba(220, 169, 80, 0.3);
  }
  
  .b2b-feature__icon {
    width: 40px;
    height: 40px;
    background: rgba(220, 169, 80, 0.08);
    border: 1px solid rgba(220, 169, 80, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
  }
  
  .b2b-feature strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-bg);
    margin-bottom: var(--sp-1);
  }
  
  .b2b-feature p {
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: 1.55;
    margin: 0;
  }
  
  
  /* ============================================================
     RESPONSIVE
     ============================================================ */
  @media (max-width: 960px) {
    .b2b-callout__inner {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 680px) {
    .cat-card {
      grid-template-columns: 1fr;
    }
  
    .cat-card__image-wrap {
      height: 220px;
      min-height: unset;
    }
  
    .cat-card__body {
      border-left: none;
      border-top: 1px solid var(--color-border-dark);
    }
  
    .cat-card__specs {
      grid-template-columns: repeat(3, 1fr);
    }
  
    .b2b-callout__features {
      grid-template-columns: 1fr;
    }
  
    .page-hero__inner {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .filter-bar__count {
      display: none;
    }
  }
  
  @media (max-width: 480px) {
    .filter-bar__inner {
      gap: var(--sp-3);
    }
  
    .filter-btn {
      font-size: 10px;
      padding: var(--sp-1) var(--sp-3);
    }
  
    .cat-card__specs {
      grid-template-columns: 1fr 1fr;
    }
  
    .cat-card__footer {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .cat-card__footer .btn {
      width: 100%;
      justify-content: center;
    }
  }