/* =========================================================
   BC METALS — Catalog Page (scoped additions)
   Loaded only by catalog.html. Does not alter shared styles.css
   or any other page. Editorial, showcase-driven B2B catalog.
   ========================================================= */

/* ---------- Introduction ---------- */
.cat-intro{
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.cat-intro p{ font-size: 17px; }

/* ---------- Collection index (pill jump-links) ---------- */
.collection-index{
  justify-content:center;
  margin-bottom: 0;
}

/* ---------- Collection banner (editorial full-bleed) ---------- */
.collection{
  border-top: 1px solid var(--gray-mid);
}
.collection-banner{
  position: relative;
  min-height: 62vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background: var(--charcoal);
}
.collection-banner img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
}
.collection-banner::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(17,17,17,0.15) 0%, rgba(17,17,17,0.35) 55%, rgba(17,17,17,0.85) 100%);
}
.collection-banner-content{
  position:relative; z-index:2;
  color: var(--white);
  padding: 70px 0;
  width:100%;
}
.collection-banner-content .kicker{ color: var(--gold); }
.collection-banner-content h2{ color: var(--white); margin-bottom: 14px; }
.collection-banner-content p{ color: rgba(255,255,255,0.72); max-width: 560px; margin-bottom: 0; }

/* ---------- Showcase rows (large-format products, not e-commerce cards) ---------- */
.showcase-row{
  padding: 90px 0;
  border-top: 1px solid var(--gray-mid);
}
.showcase-row:first-of-type{ border-top: none; }
.showcase-media{
  border-radius: var(--radius);
  overflow:hidden;
  aspect-ratio: 5/4;
}
.showcase-media img{ width:100%; height:100%; object-fit:cover; transition: transform 1.4s var(--ease); }
.showcase-media:hover img{ transform: scale(1.02); }
.showcase-eyebrow{
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  display:block;
}
.showcase-specs{ margin: 26px 0 32px; }
.showcase-specs .spec-line{
  display:flex;
  gap: 14px;
  font-size: 13px;
  padding: 12px 0;
  border-top: 1px solid var(--gray-mid);
}
.showcase-specs .spec-line:last-child{ border-bottom: 1px solid var(--gray-mid); }
.showcase-specs .spec-label{
  min-width: 170px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  color: var(--text-soft);
  font-weight: 600;
  padding-top: 1px;
}
.showcase-specs .spec-value{ font-size: 14px; color: var(--black); }

/* ---------- Manufacturing capability tiles (light variant) ---------- */
.cap-tile-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-mid);
  border: 1px solid var(--gray-mid);
}
.cap-tile{
  background: var(--white);
  padding: 42px 20px;
  text-align:center;
  transition: background .4s var(--ease);
}
.cap-tile:hover{ background: var(--gray-light); }
.cap-tile svg{
  width: 32px; height:32px;
  margin: 0 auto 18px;
  color: var(--gold);
  display:block;
}
.cap-tile .cap-label{
  font-size: 12.5px;
  letter-spacing: .4px;
  font-weight: 600;
  color: var(--black);
}

/* ---------- Gold purity ---------- */
.purity-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-mid);
  border: 1px solid var(--gray-mid);
}
.purity-card{
  background: var(--white);
  padding: 64px 40px;
  text-align:center;
}
.purity-card .purity-num{
  font-family:'Playfair Display', serif;
  font-size: 4rem;
  color: var(--gold);
  line-height:1;
  margin-bottom: 20px;
}
.purity-card h3{ margin-bottom: 12px; }
.purity-card p{ font-size: 14px; margin-bottom:0; }

/* ---------- Gold colors (Apple-style swatches, CSS only) ---------- */
.color-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}
.color-card{ text-align:center; }
.color-swatch{
  width: 140px; height: 140px;
  border-radius: 50%;
  margin: 0 auto 26px;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.12), 0 18px 40px rgba(17,17,17,0.10);
}
.color-swatch.yellow{ background: radial-gradient(circle at 35% 30%, #f3d98a, #C8A24A 55%, #9c7a34 100%); }
.color-swatch.white{ background: radial-gradient(circle at 35% 30%, #ffffff, #d9d6cf 55%, #b9b5aa 100%); }
.color-swatch.rose{ background: radial-gradient(circle at 35% 30%, #f2c9b8, #d99e88 55%, #b97a63 100%); }
.color-card h3{ margin-bottom: 8px; }
.color-card p{ font-size: 13.5px; }

/* ---------- Why BC Metals (minimal icon rows) ---------- */
.why-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 60px;
}
.why-item{
  display:flex;
  align-items:flex-start;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.why-item:last-child, .why-grid > .why-item:nth-last-child(2){ }
.why-item svg{
  width: 26px; height: 26px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 3px;
}
.why-item span{ font-size: 15px; font-weight:500; color: rgba(255,255,255,0.9); }

/* ---------- Emerald offerings ---------- */
.emerald-offer .card{ text-align:left; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .cap-tile-grid{ grid-template-columns: repeat(2, 1fr); }
  .purity-grid{ grid-template-columns: 1fr; }
  .color-grid{ grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .color-swatch{ width: 96px; height: 96px; }
  .why-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 760px){
  .collection-banner{ min-height: 46vh; }
  .showcase-row{ padding: 60px 0; }
  .cap-tile-grid{ grid-template-columns: repeat(2, 1fr); }
  .color-grid{ grid-template-columns: 1fr; gap: 36px; }
  .showcase-specs .spec-line{ flex-direction:column; gap:4px; }
  .showcase-specs .spec-label{ min-width:0; }
}