.materials {
  padding-block: var(--section-y);
  scroll-margin-top: var(--header-h);
}


.materials [hidden] {
  display: none;
}

.materials__inner {
  display: grid;
  row-gap: clamp(var(--s-6), 5vh, var(--s-7));
}



.materials__head {
  row-gap: var(--s-4);
  align-items: end;
}


.materials__title {
  grid-column: 1 / 7;
  min-width: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: var(--lh-display);
  letter-spacing: -0.015em;
  text-wrap: balance;
}


.materials__intro {
  grid-column: 7 / -1;
  min-width: 0;
  max-width: 56ch;
  padding-bottom: var(--s-1);
}

.materials__lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-text);
  color: var(--ink-2);
}




.materials__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(var(--s-5), 3vw, var(--s-7));
  row-gap: var(--s-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.materials__item {
  display: grid;
  align-content: start;
  row-gap: var(--s-3);
  min-width: 0;
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}


@supports (grid-template-rows: subgrid) {
  .materials__item {
    grid-row: span 4;
    grid-template-rows: subgrid;
  }
}


@media (hover: hover) {
  .materials__item:hover {
    border-top-color: var(--line-strong);
  }
}

.materials__fig {
  margin: 0;
}

.materials__media {
  position: relative; 
  aspect-ratio: 3 / 2;
  background: var(--bg-2);
}


.materials__media > .materials__img,
.materials__media > .materials__macro {
  border-radius: inherit;
}

.materials__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.materials__media--pair {
  position: relative;
}


.materials__open {
  cursor: zoom-in;
}

.materials__macro {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.materials__media--pair:hover .materials__macro,
.materials__media--pair:focus-visible .materials__macro {
  opacity: 1;
}

.materials__media--pair:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}


.materials__plate {
  display: flex;
  align-items: flex-end;
  box-sizing: border-box;
  aspect-ratio: 3 / 2;
  padding: var(--s-4);
  background: var(--bg-2);
  
  border: 1px solid var(--line);
  font-family: var(--font-label);
  font-size: var(--fs-small);
  line-height: var(--lh-snug);
  letter-spacing: 0.08em;
  color: var(--ink-2);
}



.materials__line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  column-gap: var(--s-4);
  margin-top: var(--s-2);
}

.materials__name {
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: calc(clamp(22px, 1.6vw, 24px) * var(--display-scale, 1));
  line-height: var(--lh-sub);
  letter-spacing: -0.01em;
  text-wrap: balance;
}


.materials__tier {
  flex: none;
  align-self: start;
  font-family: var(--font-label);
  font-size: var(--fs-body);
  line-height: 1.6;
  
  letter-spacing: 0.12em;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.materials__text {
  font-size: var(--fs-body);
  line-height: var(--lh-text);
  color: var(--ink-2);
  max-width: 44ch;
}

.materials__rooms {
  font-family: var(--font-label);
  font-size: var(--fs-small);
  line-height: var(--lh-snug);
  letter-spacing: 0.06em;
  color: var(--muted);
}



.materials__note {
  margin-top: var(--s-3);
  font-family: var(--font-label);
  font-size: var(--fs-small);
  line-height: var(--lh-snug);
  letter-spacing: 0.06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}




@media (min-width: 1024px) {
  @supports (grid-template-columns: subgrid) {
    .materials__item--wide {
      grid-column: 1 / -1;
      grid-row: auto;
      
      grid-template-columns: subgrid;
      
      grid-template-rows: auto auto 1fr;
      column-gap: clamp(var(--s-5), 3vw, var(--s-7));
    }
    .materials__item--wide .materials__fig {
      grid-column: 1 / 3;
      grid-row: 1 / -1;
    }
    .materials__item--wide .materials__line {
      grid-column: 3;
      grid-row: 1;
      margin-top: 0;
    }
    .materials__item--wide .materials__text {
      grid-column: 3;
      grid-row: 2;
    }
    .materials__item--wide .materials__rooms {
      grid-column: 3;
      grid-row: 3;
      align-self: start;
    }
  }
}



@media (max-width: 1023px) {
  .materials__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: var(--s-7);
  }
  .materials__title {
    grid-column: 1 / -1;
  }
  .materials__intro {
    grid-column: 1 / -1;
    max-width: 60ch;
  }
}




@media (max-width: 768px) {
  .materials__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--s-4);
    row-gap: var(--s-6);
  }
  .materials__lead {
    font-size: var(--fs-body);
  }
  
  .materials__line {
    display: block;
    min-width: 0;
  }
  
  .materials__name {
    display: inline;
    font-size: var(--fs-large);
    hyphens: auto;
    overflow-wrap: break-word;
  }
  .materials__tier {
    margin-left: var(--s-2);
    font-size: var(--fs-ui);
  }
  .materials__text {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
    max-width: none;
  }
  .materials__plate {
    padding: var(--s-3);
    font-size: var(--fs-caption);
  }
}




@media (max-width: 480px) {
  .materials__grid {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
    
    row-gap: var(--s-6);
  }

  
  .materials__line {
    display: flex;
  }

  .materials__name {
    display: block;
    font-size: var(--fs-h3);
    -webkit-hyphens: manual;
    hyphens: manual;
    overflow-wrap: normal;
    word-break: normal;
  }

  .materials__tier {
    margin-left: 0;
    font-size: var(--fs-body);
  }

  
  .materials__text {
    display: block;
    -webkit-line-clamp: none;
    line-clamp: none;
    overflow: visible;
    max-width: 46ch;
  }
}




.materials__viewer {
  inset: 0;
  width: auto;
  height: auto;
  max-width: none;
  max-height: 100svh;
  margin: 0;
  padding: 0;
  overscroll-behavior: contain;
  background: var(--bg);
  color: var(--ink);
  border: 0;
  border-radius: 0;
}
.materials__viewer::backdrop {
  background: var(--bg);
}
.materials__viewer[open] {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}
.materials__viewer-stage {
  display: grid;
  place-items: center;
  min-height: 0;
  overflow: hidden;
  padding: clamp(var(--s-8), 8vh, var(--s-9)) var(--gutter) var(--s-4); 
}
.materials__viewer-img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
}
.materials__viewer-close {
  position: absolute;
  top: var(--s-4);
  right: var(--gutter);
}
.materials__viewer-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  padding: var(--s-3) var(--gutter) clamp(var(--s-5), 4vh, var(--s-7));
  border-top: 1px solid var(--line);
}
.materials__viewer-note {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-note);
  line-height: var(--lh-note);
  color: var(--ink-2);
  text-align: center;
}
.materials__viewer-btn {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: 0;
  color: var(--ink-2);
  cursor: pointer;
}
.materials__viewer-btn:hover {
  color: var(--ink);
}
.materials__viewer-btn[disabled] {
  color: var(--muted);
  opacity: 0.4;
  cursor: default;
}


.materials__krug {
  position: absolute;
  right: clamp(10px, 1.2vw, 18px);
  bottom: clamp(10px, 1.2vw, 18px);
  width: clamp(88px, 8.6vw, 132px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--bg);
  box-shadow: 0 8px 20px rgb(0 0 0 / 0.16);
  pointer-events: none;
  z-index: 2;
}

.materials__krug .materials__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


@media (max-width: 700px) {
  .materials__krug {
    width: 92px;
    border-width: 3px;
  }
}


.materials__more-media {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.materials__arrow {
  width: 44%;
  height: auto;
  max-width: 160px;
  transform-origin: 50% 50%;
  will-change: transform;
}
.materials__more-link {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.materials__more-link:hover { color: var(--ink); }
.materials__more-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (min-width: 481px) and (max-width: 1023px) {
  .materials__more { grid-column: 1 / -1; }
}

/* Accepted materials v007; scoped density only. */
@media(min-width:1024px){#materials .materials__grid{grid-template-columns:repeat(5,minmax(0,1fr));column-gap:20px;row-gap:28px}#materials .materials__head{align-items:start}}
#materials .materials__item{grid-row:span 3;grid-template-rows:subgrid}
#materials .materials__krug{width:30%;max-width:128px}
#materials[data-circles="false"] .materials__krug{display:none}
#materials .materials__name{white-space:nowrap}
#materials .materials__text{display:block;-webkit-line-clamp:unset;line-clamp:unset}
@media(max-width:1023px){#materials .materials__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){#materials .materials__grid{grid-template-columns:minmax(0,1fr)}}