/*
 * 4_layout.css — глобальний layout: wrapper, container, grid-система
 */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: var(--vh);
}

.page-main {
  flex: 1;
  padding-top: var(--header-h);
}

.section-gap {
  padding-block: var(--sp-8);
}

.section-gap-sm {
  padding-block: var(--sp-5);
}

/* Two-column layout: фільтр зліва (desktop), зверху (mobile) */
.layout-catalog {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  min-width: 0;
}

.catalog-filter-wrap,
.products-area-wrap {
  min-width: 0;
}

@media (max-width: 959px) {
  .layout-catalog {
    grid-template-areas:
      "filters"
      "products";
  }

  .catalog-filter-wrap {
    grid-area: filters;
  }

  .products-area-wrap {
    grid-area: products;
  }
}

@media (min-width: 960px) {
  .layout-catalog {
    grid-template-columns: 280px 1fr;
    grid-template-areas: "filters products";
    gap: var(--sp-6);
  }

  .catalog-filter-wrap {
    grid-area: filters;
  }

  .products-area-wrap {
    grid-area: products;
  }
}

/* Sticky sidebar */
.sidebar-sticky {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-4));
  max-height: calc(var(--vh) - var(--header-h) - var(--sp-8));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Stack (вертикально) */
.stack > * + * {
  margin-top: var(--sp-4);
}

.stack-sm > * + * {
  margin-top: var(--sp-2);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--c-border);
  margin-block: var(--sp-5);
}