/* ==========================================================================
   Produtos: filtros, grade, cartão e ficha técnica
   Todas as especificações exibidas vêm dos catálogos oficiais enviados.
   ========================================================================== */

.filters {
  display: grid;
  gap: var(--sp-4);
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.filters__row {
  display: grid;
  gap: 0.7rem;
}

@media (min-width: 700px) {
  .filters__row {
    grid-template-columns: max-content minmax(0, 1fr);
    align-items: center;
    gap: 1.1rem;
  }
}

.filters__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--tx-faint);
}

/* Rolagem horizontal por toque no mobile, sem estourar a viewport */
.filters__chips {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  padding-block: 3px;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  scroll-padding-inline: var(--gutter);
}

.filters__chips::-webkit-scrollbar { display: none; }

@media (min-width: 700px) {
  .filters__chips {
    flex-wrap: wrap;
    overflow: visible;
    margin-inline: 0;
    padding-inline: 0;
  }
}

.filters__status {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--tx-faint);
  letter-spacing: 0.04em;
}

/* ---- Grade ---- */
.products {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2vw, 1.75rem);
}

@media (min-width: 640px) { .products { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .products { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.product[hidden] { display: none !important; }

/* Saída/entrada suave ao filtrar */
.product.is-filtering {
  opacity: 0;
  transform: scale(calc(1 - 0.02 * var(--motion)));
  transition: opacity 200ms var(--e-out), transform 200ms var(--e-out);
}

/* ---- Cartão ---- */
.product {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition:
    transform var(--d-base) var(--e-out),
    box-shadow var(--d-base) var(--e-out),
    border-color var(--d-base) var(--e-out),
    opacity 200ms var(--e-out);
}

@media (hover: hover) {
  .product:hover {
    transform: translateY(calc(-4px * var(--motion)));
    box-shadow: var(--sh-lg);
    border-color: transparent;
  }
}

.product:focus-within { border-color: var(--terra); }

.product__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(120% 100% at 50% 0%, #ffffff 0%, var(--bone-2) 100%);
  overflow: hidden;
}

.product__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: clamp(0.6rem, 1.4vw, 1.1rem);
  transition: transform var(--d-slow) var(--e-soft), filter var(--d-base) var(--e-out);
}

/* Imagens fotográficas de catálogo preenchem o quadro */
.product__media--cover img { object-fit: cover; padding: 0; }

@media (hover: hover) {
  .product:hover .product__media img { transform: scale(calc(1 + 0.035 * var(--motion))); }
}

.product__badge {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.6rem;
  border-radius: var(--r-sm);
  background: rgba(20, 20, 15, .84);
  color: var(--bone);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--sp-3);
  padding: clamp(1.1rem, 2vw, 1.6rem);
  border-top: 1px solid var(--line);
}

.product__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.product__title {
  font-size: var(--fs-h4);
  font-weight: 700;
  letter-spacing: var(--tr-head);
  line-height: 1.22;
  color: var(--tx-strong);
}

.product__sub {
  font-size: var(--fs-sm);
  color: var(--tx-mute);
  line-height: 1.5;
}

.product__desc {
  font-size: var(--fs-sm);
  color: var(--tx-mute);
  line-height: 1.58;
  margin-top: -0.15rem;
}

/* ---- Ficha técnica retrátil ---- */
.spec { margin-top: auto; }

.spec__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  min-height: 46px;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--tx-mute);
  text-align: left;
  transition: color var(--d-fast) var(--e-out);
}

.spec__toggle:hover { color: var(--terra); }

.spec__chev {
  flex: none;
  width: 14px; height: 14px;
  transition: transform var(--d-base) var(--e-out);
}

.spec__toggle[aria-expanded="true"] .spec__chev { transform: rotate(180deg); }

.spec__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-base) var(--e-out);
}

.spec__panel[data-open="true"] { grid-template-rows: 1fr; }

.spec__panel > div { overflow: hidden; }

.spec__list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.55rem 0.7rem;
  background: var(--surface);
  font-size: var(--fs-xs);
}

.spec__row dt { color: var(--tx-mute); }

.spec__row dd {
  margin: 0;
  font-family: var(--ff-mono);
  font-weight: 500;
  color: var(--tx-strong);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.spec__source {
  font-family: var(--ff-text);
  font-size: 0.8rem;
  color: var(--tx-faint);
  margin-bottom: 0.9rem;
  line-height: 1.5;
}

/* ---- Tabela de variantes (modelos com múltiplas configurações) ---- */
.spec__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  margin-bottom: 0.9rem;
}

.spec__table {
  min-width: 460px;
  font-size: var(--fs-xs);
}

.spec__table th,
.spec__table td {
  padding: 0.5rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.spec__table thead th {
  position: sticky;
  top: 0;
  background: var(--bone-2);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx-mute);
}

.spec__table tbody th { font-weight: 600; color: var(--tx-strong); }

.spec__table td {
  font-family: var(--ff-mono);
  color: var(--tx);
  font-variant-numeric: tabular-nums;
}

.spec__table tbody tr:last-child th,
.spec__table tbody tr:last-child td { border-bottom: 0; }

.spec__table tbody tr { transition: background-color var(--d-fast) var(--e-out); }
.spec__table tbody tr:hover { background: var(--bone); }

.product__cta { margin-top: 0.25rem; }