.collection-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}
.collection-header-left {
  max-width: 520px;
}
.collection-desc {
  font-family: "montserrat","montserrat Fallback", sans-serif;
  font-size: 13px;
  color: var(--color-grey);
  line-height: 1.8;
  margin-top: 16px;
}
.view-all {
  font-family: "montserrat","montserrat Fallback", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-black);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}
.view-all:hover {
  opacity: 0.5;
}

/* STONE GRID — 4 columns, no gaps, perfect fill */
.stone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  /* gap: 3px;
  background: #ccc; */
}
.stone-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  /* background: var(--color-grey); */
  aspect-ratio: 1 / 1.2;
}
/* First row: 50% (span 2), 25%, 25% */
.stone-card:nth-child(1) {
  grid-column: span 2;
  aspect-ratio: auto;
  height: 100%;
}
/* Second row: 25%, 25%, 50% (span 2) */
.stone-card:nth-child(6) {
  grid-column: span 2;
  aspect-ratio: auto;
  height: 100%;
}
/* Last row: 50% (span 2), 50% (span 2) */
.stone-card:nth-last-child(2),
.stone-card:last-child {
  grid-column: span 2;
  aspect-ratio: 16 / 9;
  height: 100%;
}
.stone-card img.stone-tex {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.stone-card:hover img.stone-tex {
  transform: scale(1.05);
}
.stone-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0%, transparent 100%);
  padding: 44px 20px 20px;
  transform: translateY(102%);
  transition: transform 0.35s ease;
}
.stone-card:hover .stone-card-info {
  transform: translateY(2%);
}
.stone-name {
  font-family: "poppins","poppins Fallback", sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 5px;
}
.stone-finishes {
  font-family: "montserrat","montserrat Fallback", sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: none;
  line-height: 1.4;
  color: var(--color-white);
}
.stone-badge {
  position: absolute;
  top: 14px;
  left: 16px;
  background: rgba(0, 0, 0, 0.55);
  color: rgba(255, 255, 255, 0.8);
  font-family: "montserrat","montserrat Fallback", sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.3s;
}
.stone-card:hover .stone-badge {
  opacity: 1;
}