/* ── PRODUCT HERO ── */
.product-hero {
  position: relative;
  height: 380px;
  background: var(--navy);
  display: flex;
  align-items: flex-end;
  padding-bottom: 3rem;
}
.femo-hero { background: #0d1f2d; }
.ph-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,27,42,0.95) 50%, rgba(13,27,42,0.7));
}
.ph-content { position: relative; z-index: 2; padding-top: 100px; }
.back-link {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  transition: letter-spacing 0.2s;
}
.back-link:hover { letter-spacing: 0.16em; }
.ph-content h1 { color: var(--white); font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 0.5rem; }
.ph-formula { color: rgba(255,255,255,0.5); font-size: 0.9rem; letter-spacing: 0.15em; }

/* ── SPECS BAR ── */
.specs-bar { background: var(--gold); padding: 1.25rem 0; }
.specs-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.spec-item { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.spec-icon { font-size: 1.1rem; }
.spec-label { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy); opacity: 0.7; }
.spec-val { font-size: 0.85rem; font-weight: 700; color: var(--navy); }

/* ── PRODUCT MAIN ── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.product-image-wrap { position: relative; }
.product-photo {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  background: var(--navy2);
}
.product-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
}
.product-info h2 { margin-bottom: 1.25rem; }
.product-info p { margin-bottom: 1rem; }

/* ── USE CASES ── */
.use-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}
.use-item { border-top: 2px solid var(--gold); padding-top: 1rem; }
.use-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  color: var(--gold);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.use-item h4 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.use-item p { font-size: 0.83rem; }

/* ── COMPOSITION ── */
.grades-table { margin: 2.5rem 0; }
.grade-row {
  display: grid;
  grid-template-columns: 1.5fr repeat(6, 1fr);
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
}
.grade-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}
.grade-row span { color: rgba(255,255,255,0.75); }
.grade-name { color: var(--white) !important; font-weight: 600; }
.grade-row.highlight { background: rgba(201,168,76,0.08); }
.grade-row.highlight .grade-name { color: var(--gold) !important; }

/* ── ELEMENTS ── */
.elements-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  justify-content: center;
}
.element-card {
  width: 100px;
  height: 100px;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  transition: border-color 0.2s;
}
.element-card:hover { border-color: var(--gold); }
.element-card.dark { background: rgba(201,168,76,0.15); border-color: var(--gold); }
.element-card.faded { opacity: 0.4; }
.el-num { font-size: 0.65rem; color: rgba(255,255,255,0.5); align-self: flex-start; padding-left: 0.5rem; }
.el-sym { font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 600; color: var(--white); line-height: 1; }
.el-name { font-size: 0.6rem; color: rgba(255,255,255,0.6); }
.el-mass { font-size: 0.6rem; color: rgba(255,255,255,0.4); }

/* ── LOGISTICS ── */
.logistics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.logistics-item { border-top: 2px solid var(--gold); padding-top: 1.5rem; }
.logistics-item h4 { margin-bottom: 0.75rem; }
.logistics-item p { font-size: 0.85rem; }

/* ── CTA ── */
.product-cta { padding: 5rem 0; }
.cta-inner { text-align: center; }
.cta-inner h2 { margin-bottom: 1rem; }
.cta-inner .light-p { margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .product-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .use-grid { grid-template-columns: 1fr; }
  .logistics-grid { grid-template-columns: 1fr 1fr; }
  .specs-inner { justify-content: center; }
  .grade-row { grid-template-columns: 1.5fr repeat(3, 1fr); font-size: 0.75rem; }
  .grade-row span:nth-child(n+5) { display: none; }
  .grade-header span:nth-child(n+5) { display: none; }
}