.aton-catalog {
  padding: clamp(56px, 8vw, 110px) 0;
  background: var(--cream-deep);
}

.aton-catalog-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.aton-catalog-sidebar {
  position: sticky;
  top: 24px;
  padding: 26px;
  border: 1px solid var(--ink);
  background: var(--cream);
}

.aton-catalog-sidebar h2 {
  margin: 12px 0 16px;
  font: 400 clamp(28px, 3vw, 38px)/1.03 Prata, serif;
  letter-spacing: -.035em;
}

.aton-catalog-sidebar p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.aton-catalog-count {
  margin: 26px 0;
  padding: 20px 0;
  border-block: 1px solid var(--line);
}

.aton-catalog-count strong,
.aton-catalog-count span {
  display: block;
}

.aton-catalog-count strong {
  font: 400 46px/1 Prata, serif;
}

.aton-catalog-count span {
  margin-top: 8px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.aton-catalog-sidebar .button {
  width: 100%;
  padding-inline: 14px;
}

.aton-catalog-content {
  min-width: 0;
}

.aton-catalog-head,
.aton-product-row {
  display: grid;
  grid-template-columns: minmax(250px, 1.45fr) repeat(3, minmax(82px, .52fr)) 132px;
  gap: 14px;
  align-items: center;
}

.aton-catalog-head {
  padding: 0 16px 12px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.aton-catalog-list {
  border-top: 1px solid var(--ink);
}

.aton-product-row {
  min-height: 146px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  cursor: pointer;
}

.aton-product-main {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-width: 0;
}

.aton-product-main img {
  width: 88px;
  height: 108px;
  padding: 5px;
  object-fit: contain;
  background: var(--cream-deep);
  mix-blend-mode: multiply;
}

.aton-product-availability {
  display: block;
  color: var(--orange-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.aton-product-identity {
  min-width: 0;
}

.aton-product-toggle {
  position: relative;
  width: 100%;
  min-width: 0;
  padding: 4px 28px 4px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.aton-product-name {
  display: block;
  margin-top: 5px;
  font: 400 18px/1.15 Prata, serif;
  letter-spacing: -.02em;
  hyphens: none;
  overflow-wrap: normal;
  word-break: keep-all;
}

.aton-product-toggle:hover .aton-product-name {
  color: var(--orange-dark);
}

.aton-product-chevron {
  position: absolute;
  right: 2px;
  top: 50%;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: transform .2s ease, border-color .2s ease;
}

.aton-product-chevron::before {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.aton-product-toggle[aria-expanded="true"] .aton-product-chevron {
  transform: translateY(-50%) rotate(180deg);
  border-color: var(--orange);
}

.aton-product-value {
  font-size: 12px;
  font-weight: 800;
}

.aton-product-value::before {
  display: none;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.aton-product-value::before { content: attr(data-label); }

.aton-product-price strong {
  display: block;
  margin-bottom: 9px;
  font: 400 19px/1 Prata, serif;
  white-space: nowrap;
}



.aton-buy-button {
  display: inline-flex;
  width: 100%;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border: 1px solid var(--orange);
  border-radius: 3px;
  background: var(--orange);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
  transition: transform .18s ease, background .18s ease;
}

.aton-buy-button:hover {
  transform: translateY(-2px);
  border-color: var(--orange-dark);
  background: var(--orange-dark);
}

.aton-catalog-loading,
.aton-catalog-error {
  margin: 0;
  padding: 28px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.aton-catalog-error a {
  border-bottom: 1px solid currentColor;
  font-weight: 800;
}

.aton-catalog-note {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.aton-product-details {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin: 4px -16px -18px;
  padding: 28px 24px 30px;
  border-top: 1px solid var(--line);
  background: var(--cream);
}

.aton-product-details[hidden] {
  display: none;
}

.aton-spec-group h4 {
  margin: 0 0 14px;
  color: var(--orange-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.aton-spec-group dl {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(90px, .55fr);
  margin: 0;
}

.aton-spec-group dt,
.aton-spec-group dd {
  margin: 0;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}

.aton-spec-group dt {
  padding-right: 18px;
  color: var(--muted);
}

.aton-spec-group dd {
  font-weight: 800;
  text-align: right;
}

@media (max-width: 1050px) {
  .aton-catalog-layout {
    grid-template-columns: 1fr;
  }

  .aton-catalog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 30px;
    align-items: end;
  }

  .aton-catalog-sidebar .eyebrow,
  .aton-catalog-sidebar h2,
  .aton-catalog-sidebar p {
    grid-column: 1;
  }

  .aton-catalog-count,
  .aton-catalog-sidebar .button {
    grid-column: 2;
  }

  .aton-catalog-count {
    grid-row: 1 / span 3;
    margin: 0;
    padding: 0 0 18px;
    border-top: 0;
  }
}

@media (max-width: 820px) {
  .aton-catalog-head {
    display: none;
  }

  .aton-product-row {
    grid-template-columns: minmax(220px, 1.35fr) repeat(2, minmax(80px, .5fr)) 126px;
  }

  .aton-product-value[data-label="Площа"] {
    display: none;
  }
}

@media (max-width: 620px) {
  .aton-catalog-sidebar {
    display: block;
    padding: 22px;
  }

  .aton-catalog-count {
    margin: 22px 0;
    padding: 18px 0;
    border-block: 1px solid var(--line);
  }

  .aton-product-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 18px;
  }

  .aton-product-main {
    grid-column: 1 / -1;
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .aton-product-main img {
    width: 82px;
    height: 102px;
  }

  .aton-product-value::before {
    display: block;
  }

  .aton-product-value[data-label="Площа"] {
    display: block;
  }

  .aton-product-price {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 14px;
    align-items: center;
  }

  .aton-product-details {
    grid-template-columns: 1fr;
    margin-inline: -18px;
    padding-inline: 18px;
  }

  .aton-product-price strong {
    grid-column: 1;
    margin: 0;
    font-size: 22px;
  }


  .aton-buy-button {
    grid-column: 2;
    grid-row: 1 / span 2;
    width: auto;
    min-width: 142px;
  }
}

@media (max-width: 380px) {
  .aton-product-price {
    grid-template-columns: 1fr;
  }

  .aton-buy-button {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
  }
}

.catalog-terms {
  max-width: 850px;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.catalog-guidance {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.catalog-guidance p { max-width: 760px; }

.boiler-examples {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  text-align: left;
  font-size: 14px;
}

.boiler-examples caption {
  text-align: left;
  color: var(--muted);
  margin-bottom: 12px;
}

.boiler-examples th,
.boiler-examples td {
  padding: 18px 14px;
  border-bottom: 1px solid var(--line);
}

.boiler-examples thead { background: var(--cream-deep); }
.boiler-examples tbody { background: var(--paper); }
.boiler-examples td:nth-child(4) { white-space: nowrap; }
.boiler-examples .card-link { margin: 0; }

@media (max-width: 760px) {
  .boiler-examples thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }
  .boiler-examples tbody { display: block; background: none; }
  .boiler-examples tbody tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 16px;
    padding: 12px;
    border: 1px solid var(--line);
    background: var(--paper);
  }
  .boiler-examples tbody th { grid-column: 1 / -1; }
  .boiler-examples td { min-width: 0; padding: 14px 8px; }
  .boiler-examples td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 6px;
    font-size: 11px;
    color: var(--muted);
  }
  .boiler-examples td:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .boiler-examples td:last-child::before { display: none; }
}