/* С05 страница материала, С04 карточки категории, С11 подборка */
.mat-editbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.mat { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.mat__main { display: grid; gap: 20px; min-width: 0; }
.mat__side { position: sticky; top: calc(var(--header-h) + 16px); display: grid; gap: 16px; }
.mat__title { font-size: 38px; line-height: 1.12; }
.mat__lead { color: var(--muted); font-size: 16px; line-height: 1.6; }
.mat__tasks { margin: 0; }

.gallery__stage { aspect-ratio: 4 / 3; border-radius: var(--radius); background: #EDF0F5; overflow: hidden; display: grid; place-items: center; }
.gallery__stage img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.gallery__empty { display: grid; justify-items: center; gap: 10px; color: #A9B6CA; font-size: 14px; }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.gallery__thumb { aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; background: #EDF0F5; border: 2px solid transparent; display: grid; place-items: center; color: var(--text); font-size: 13px; font-weight: 700; }
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb.is-active { border-color: var(--primary); }
.gallery__thumb--video { display: flex; flex-direction: column; gap: 2px; }
.gallery__thumb:hover { text-decoration: none; }

.mat-info { padding: 8px 24px 8px; }
.mat-info__h { font-size: 18px; padding: 18px 0 8px; }
.specs { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; margin: 0 0 8px; }
.specs__row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; text-align: right; font-weight: 600; }
.acc { border-top: 1px solid var(--line); }
.acc summary { list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 58px; font-weight: 800; font-size: 17px; cursor: pointer; }
.acc summary::-webkit-details-marker { display: none; }
.acc[open] summary .icon { transform: rotate(180deg); }
.acc h3 { font-size: 15px; margin: 4px 0 8px; }
.acc__list { margin: 0 0 16px; padding-left: 22px; line-height: 1.6; max-width: 720px; }
.acc__list li + li { margin-top: 6px; }
.acc__list--warn li::marker { color: var(--error); }
.faq { padding-bottom: 14px; max-width: 720px; }
.faq h3 { font-size: 15px; margin-bottom: 4px; }
.faq p { color: var(--text); line-height: 1.6; }
.video { aspect-ratio: 16 / 9; margin-bottom: 18px; border-radius: 12px; overflow: hidden; background: #000; }
.video iframe { width: 100%; height: 100%; border: 0; }

.price-card { padding: 18px 20px; }
.price-card__label { font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.price-card__value { font-size: 28px; font-weight: 800; margin: 4px 0 2px; }
.price-card__value span { font-size: 14px; font-weight: 600; color: var(--muted); }
.price-card__src { font-size: 12px; color: var(--muted); }
.price-card__none { color: var(--muted); font-size: 14px; margin-top: 6px; }

.also { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.also__card { display: flex; flex-direction: column; gap: 12px; padding: 12px 12px 16px; color: var(--text); height: 100%; }
.also__card:hover { text-decoration: none; border-color: #C9D6EA; }
.also__photo { aspect-ratio: 16 / 9; border-radius: 10px; background: #EDF0F5; display: grid; place-items: center; color: #A9B6CA; overflow: hidden; }
.also__photo img { width: 100%; height: 100%; object-fit: cover; }

/* С04 — карточки материалов категории с фильтрами */
.cat-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr) 260px; gap: 20px; align-items: start; }
.cat-layout--nofilters { grid-template-columns: minmax(0, 1fr) 260px; }
.filters-panel { padding: 18px 16px; position: sticky; top: calc(var(--header-h) + 16px); }
.filters-panel__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.filters-panel__head h2 { font-size: 18px; }
.filter { border: 0; padding: 0; margin: 0 0 16px; }
.filter legend { font-weight: 800; font-size: 14px; margin-bottom: 8px; }
.filter .chips { gap: 6px; }
.filter .chip { min-height: 38px; }
.chip--active, .filter .chip[aria-current="true"] { background: var(--primary); border-color: var(--primary); color: #fff; }
.filter-toggle { display: flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 10px; font-weight: 700; font-size: 14px; color: var(--text); margin-bottom: 8px; }
.filter-toggle[aria-current="true"] { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.filter-toggle:hover { text-decoration: none; }
.sort { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }
.sort a { padding: 0 14px; min-height: 40px; display: grid; place-items: center; font-weight: 800; font-size: 14px; color: var(--text); }
.sort a[aria-current="true"] { background: var(--primary); color: #fff; }
.sort a:hover { text-decoration: none; }
.mcards { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.mcard { display: grid; grid-template-columns: 96px minmax(0, 1fr) 170px; gap: 16px; padding: 14px; align-items: center; }
.mcard__photo { width: 96px; height: 96px; border-radius: 10px; background: #EDF0F5; display: grid; place-items: center; color: #A9B6CA; overflow: hidden; }
.mcard__photo img { width: 100%; height: 100%; object-fit: cover; }
.mcard__title { font-size: 18px; margin-bottom: 4px; }
.mcard__title a { color: var(--text); }
.mcard__body p { font-size: 14px; color: var(--muted); }
.mcard__meta { font-size: 13px; color: var(--muted); margin-top: 6px; }
.mcard__price b { display: block; font-size: 20px; }
.mcard__price span { font-size: 12px; color: var(--muted); }
.mcard__price .btn { margin-top: 10px; width: 100%; }
.calc-promo { padding: 20px; background: var(--primary-soft); border-color: transparent; position: sticky; top: calc(var(--header-h) + 16px); }
.calc-promo h2 { font-size: 20px; margin: 12px 0 8px; }
.calc-promo p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.calc-promo .icon-tile { background: #fff; }

/* С11 — подборка по задаче */
.task-chips { margin-bottom: 18px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.step { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 20px; padding: 18px; }
.step__num { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 12px; }
.step__info h2 { font-size: 20px; margin-bottom: 6px; }
.step__info p { font-size: 14px; }
.step__calc { display: inline-flex; gap: 8px; align-items: center; margin-top: 12px; padding: 8px 12px; border-radius: 10px; background: var(--primary-soft); font-weight: 800; font-size: 14px; }
.step__items { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.step__card { display: flex; flex-direction: column; gap: 10px; padding: 8px 8px 12px; border: 1px solid var(--line); border-radius: 12px; background: #FAFBFD; color: var(--text); height: 100%; font-size: 14px; }
.step__card:hover { text-decoration: none; border-color: #C9D6EA; }
.step__photo { aspect-ratio: 16 / 10; border-radius: 8px; background: #EDF0F5; display: grid; place-items: center; color: #A9B6CA; overflow: hidden; }
.step__photo img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 1100px) {
  .cat-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .cat-layout .calc-promo { grid-column: 1 / -1; position: static; }
  .also { grid-template-columns: repeat(2, 1fr); }
  .step__items { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .mat { grid-template-columns: 1fr; gap: 18px; }
  .mat__side { position: static; order: -1; }
  .mat__main { display: contents; }
  .gallery { order: -2; }
  .mat-info { order: 2; padding: 4px 16px; }
  .mat__title { font-size: 27px; }
  .specs { grid-template-columns: 1fr; }
  .gallery__thumbs { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .cat-layout, .cat-layout--nofilters { grid-template-columns: 1fr; }
  .filters-panel { position: static; }
  .filters-panel .chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .mcard { grid-template-columns: 72px minmax(0, 1fr); }
  .mcard__photo { width: 72px; height: 72px; }
  .mcard__price { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .mcard__price .btn { margin: 0; width: auto; }
  .also { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .step { grid-template-columns: 1fr; }
  .step__items { grid-template-columns: repeat(2, 1fr); }
  .task-chips { flex-wrap: nowrap; overflow-x: auto; }
}

/* элементы сетки не должны раздвигать страницу шире экрана */
.mat > *, .mat__main > *, .mat__side > *, .cat-layout > *, .mcard > * { min-width: 0; }
.specs dd { overflow-wrap: anywhere; }
.filter { min-width: 0; }