.floor {
  width: min(900px, 94vw);
  margin-inline: auto;
  padding: clamp(1.25rem, 5vw, 2.5rem) 0 clamp(2rem, 6vw, 3rem);
}

/* Two columns on a phone, four on a desk. The gutters are the page
   background showing through, so the grid needs its own ink ground. */
.mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gutter);
  padding: var(--gutter);
  background: var(--ink);
  grid-auto-rows: minmax(116px, auto);
}

.mosaic .id {
  grid-column: span 2;
}

.mosaic .span-2 {
  grid-column: span 2;
}

@media (min-width: 760px) {
  .mosaic {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(140px, auto);
  }

  .mosaic .id {
    grid-column: span 2;
    grid-row: span 2;
  }
}

.legend {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin-top: .9rem;
  color: var(--ink-soft);
  font-size: .88rem;
}

.legend .swatches {
  display: inline-flex;
  flex: none;
  gap: 3px;
  translate: 0 1px;
}

.floor-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.5rem, 5vw, 2.25rem);
  padding-top: 1.25rem;
  border-top: 3px solid var(--ink);
}

.stamps {
  display: flex;
  gap: .4rem;
}

.colophon {
  color: var(--ink-soft);
  font-size: .8rem;
}

.colophon a {
  border-bottom: 1.5px solid var(--plate-25);
}

.colophon a:hover {
  color: var(--plate-25);
}