.service-breadcrumb {
  width: calc(100% - var(--content-edge-gap, 32px));
  max-width: var(--content-max-width, 1360px);
  margin: 24px auto 14px;
  padding: 0 14px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 8px;
}

.materials-page {
  width: calc(100% - var(--content-edge-gap, 32px));
  max-width: var(--content-max-width, 1360px);
  margin: 0 auto 56px;
  padding: 0 14px;
  box-sizing: border-box;
  display: block;
}

.materials-header {
  padding-top: 8px;
  padding-bottom: 34px;
}

.materials-header h1 {
  margin: 0;
}

.materials-list {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.materials-item {
  display: grid;
  grid-template-columns: minmax(0, 11fr) minmax(0, 9fr);
  column-gap: 36px;
  align-items: start;
}

.materials-item-info {
  grid-column: 1;
}

.materials-item-colors {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.materials-material-name {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.1;
}

.materials-description {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  max-width: none;
  width: 100%;
}

.materials-points {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.materials-points-group h3 {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.2;
}

.materials-points-group ul {
  margin: 0;
  padding-left: 18px;
}

.materials-points-group li {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.4;
}

.materials-points-group li:last-child {
  margin-bottom: 0;
}

.materials-colors-title {
  margin: 1px 0 12px;
  font-size: 13px;
  line-height: 1.2;
  text-align: right;
}

.materials-swatch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.materials-swatch {
  position: relative;
  width: 72px;
  height: 72px;
  border: 1px solid #d1d5db;
  background: var(--swatch-color, #f3f4f6);
  cursor: pointer;
  padding: 0;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.materials-swatch:hover,
.materials-swatch:focus-visible {
  box-shadow: 0 0 0 1px #334155;
  transform: translateY(-1px);
  outline: 2px solid #334155;
  outline-offset: 2px;
}

.materials-swatch-name {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  background: #111111;
  color: #ffffff;
  border-radius: 0;
  padding: 4px 7px;
  font-size: 11px;
  line-height: 1.1;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.materials-swatch:hover .materials-swatch-name,
.materials-swatch:focus-visible .materials-swatch-name {
  opacity: 1;
  visibility: visible;
}

.materials-colors-hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.4;
  text-align: right;
}

.materials-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: #ffffff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.materials-lightbox.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.materials-lightbox-frame {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.materials-lightbox-close {
  position: absolute;
  top: 10px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #111111;
  cursor: pointer;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.materials-lightbox-close svg {
  width: 20px;
  height: 20px;
}

.materials-lightbox-close svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.45;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.materials-lightbox-track {
  flex: 1 1 auto;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.materials-lightbox-track::-webkit-scrollbar {
  display: none;
}

.materials-lightbox-slide {
  flex: 0 0 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: center;
  padding: 16px 64px 52px;
  box-sizing: border-box;
}

.materials-lightbox-slide img {
  max-width: min(70vw, 1150px);
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.materials-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 120px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #111111;
  cursor: pointer;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.materials-lightbox-prev {
  left: 6px;
}

.materials-lightbox-next {
  right: 6px;
}

.materials-lightbox-nav svg {
  width: 24px;
  height: 24px;
}

.materials-lightbox-nav svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.35;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.materials-lightbox-nav.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.materials-lightbox-progress {
  --progress-ratio: 0;
  --slide-count: 1;
  --progress-thumb-width: calc(100% / var(--slide-count));
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(360px, calc(100% - 220px));
  height: 2px;
  background: #d1d5db;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.12), inset 0 1px 2px rgba(15, 23, 42, 0.2);
}

.materials-lightbox-progress-thumb {
  position: absolute;
  top: 0;
  left: calc(var(--progress-ratio) * (100% - var(--progress-thumb-width)));
  width: var(--progress-thumb-width);
  height: 100%;
  background: #334155;
}

@media (max-width: 980px) {
  .service-breadcrumb {
    width: calc(100% - 24px);
    margin: 16px auto 14px;
    padding: 0 12px;
    gap: 6px;
  }

  .materials-page {
    width: calc(100% - 24px);
    margin: 0 auto 38px;
    padding: 0 12px;
    display: block;
  }

  .materials-list {
    gap: 34px;
  }

  .materials-item {
    grid-template-columns: 1fr;
    row-gap: 12px;
  }

  .materials-item-info,
  .materials-item-colors {
    grid-column: 1;
  }

  .materials-item-colors {
    align-items: flex-start;
  }

  .materials-material-name {
    font-size: 19px;
  }

  .materials-description {
    font-size: 14px;
  }

  .materials-points {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .materials-swatch-grid {
    justify-content: flex-start;
  }

  .materials-colors-title,
  .materials-colors-hint {
    text-align: left;
  }

  .materials-swatch {
    width: 62px;
    height: 62px;
  }

  .materials-lightbox-close {
    top: max(6px, calc(env(safe-area-inset-top) + 2px));
    right: 8px;
    width: 28px;
    height: 28px;
  }

  .materials-lightbox-close svg {
    width: 14px;
    height: 14px;
  }

  .materials-lightbox-nav {
    width: 26px;
    height: 56px;
  }

  .materials-lightbox-prev {
    left: 2px;
  }

  .materials-lightbox-next {
    right: 2px;
  }

  .materials-lightbox-nav svg {
    width: 16px;
    height: 16px;
  }

  .materials-lightbox-slide {
    padding: max(46px, calc(env(safe-area-inset-top) + 6px)) 34px max(46px, calc(env(safe-area-inset-bottom) + 12px));
  }

  .materials-lightbox-slide img {
    max-width: calc(100vw - 68px);
    max-height: 100%;
  }

  .materials-lightbox-progress {
    width: min(250px, calc(100% - 140px));
    bottom: max(10px, calc(env(safe-area-inset-bottom) + 4px));
  }
}