.page-hero {
  padding: calc(var(--site-header-h) + 56px) 0 56px;
  background: var(--charcoal);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/stones/page-hero.png') center/cover;
  opacity: 0.3;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.page-hero p { color: rgba(255,255,255,0.75); max-width: 560px; }
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  font-size: 0.78rem;
  margin-bottom: 1.25rem;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .current { color: var(--gold-light); }

.page-content { padding: var(--section-pad) 0; }

.collection-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.collection-tabs a {
  padding: 0.6rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid #ddd;
  color: var(--text-body);
  transition: all 0.2s;
}
.collection-tabs a:hover,
.collection-tabs a.active {
  background: var(--charcoal);
  border-color: var(--charcoal);
  color: var(--white);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.collection-card {
  background: var(--white);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.collection-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.collection-card-body {
  padding: 1.5rem;
}
.collection-card-body h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
}
.collection-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.content-block { max-width: 780px; margin: 0 auto; }
.content-block h2 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 2rem 0 1rem;
}
.content-block p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.85;
}

@media (max-width: 1024px) {
  .collection-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .page-hero {
    padding: calc(var(--site-header-h) + 40px) 0 40px;
  }
  .page-hero h1 {
    font-size: clamp(1.65rem, 7vw, 2.35rem);
  }
  .page-hero p {
    font-size: 0.92rem;
  }
  .breadcrumb {
    font-size: 0.72rem;
    flex-wrap: wrap;
  }

  .collection-tabs {
    gap: 0.4rem;
    margin-bottom: 2rem;
  }
  .collection-tabs a {
    flex: 1 1 calc(50% - 0.25rem);
    text-align: center;
    padding: 0.55rem 0.5rem;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
  }

  .collection-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .collection-card-body {
    padding: 1.15rem;
  }

  .content-block h2 {
    font-size: 1.35rem;
    margin-top: 1.5rem;
  }
  .content-block p {
    font-size: 0.92rem;
  }
}