/* ── PORTFOLIO PAGE STYLES ── */

.page-hero {
  position: relative; min-height: 480px;
  display: flex; align-items: flex-end;
  padding-top: 72px; overflow: hidden;
}
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: brightness(0.35) saturate(1.1); }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(7,21,41,0.95) 0%, rgba(11,30,61,0.5) 60%, transparent 100%);
}
.page-hero-content {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto; padding: 3rem 2rem;
  width: 100%;
}
.page-hero-content h1 { color: var(--white); font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.75rem; }
.page-hero-content p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 600px; line-height: 1.7; }

.portfolio-tabs-bar {
  background: var(--white); border-bottom: 1px solid var(--border);
  position: sticky; top: 72px; z-index: 100;
  box-shadow: 0 2px 12px rgba(11,30,61,0.06);
}
.portfolio-tabs {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  display: flex; gap: 0; overflow-x: auto;
}
.ptab {
  padding: 1rem 1.5rem; font-size: 0.82rem; font-weight: 600;
  color: var(--text-mid); white-space: nowrap; border-bottom: 2.5px solid transparent;
  transition: var(--transition);
}
.ptab:hover { color: var(--navy); }
.ptab.active { color: var(--blue); border-bottom-color: var(--blue); }

.portfolio-category-section { padding: 5rem 0; }
.alt-bg { background: var(--off-white); }

.category-header {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center; margin-bottom: 3rem;
}
.category-header-text h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 0.75rem; }
.category-header-text p { color: var(--text-mid); line-height: 1.7; }
.category-header-img {
  width: 100%; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.product-grid.five-col { grid-template-columns: repeat(5, 1fr); }

.product-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.5rem;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  opacity: 0; transform: translateY(20px);
}
.product-card.animated {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s ease var(--delay), transform 0.5s ease var(--delay), box-shadow 0.3s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(30,95,191,0.15); }
.product-tag {
  display: inline-block; font-size: 0.65rem; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue); background: rgba(30,95,191,0.08);
  padding: 0.2rem 0.6rem; border-radius: 4px; margin-bottom: 0.75rem;
}
.product-tag.growth { color: #0E7C5A; background: rgba(14,124,90,0.08); }
.product-tag.regen  { color: #7B3FA0; background: rgba(123,63,160,0.08); }
.product-tag.advanced { color: #B8600A; background: rgba(184,96,10,0.08); }
.product-card h3 { font-size: 1.1rem; color: var(--navy); margin-bottom: 0.75rem; }
.product-strengths { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.product-strengths span {
  font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem;
  background: var(--silver-light); color: var(--text-mid);
  border-radius: 4px; border: 1px solid var(--border);
}
.product-details { display: flex; flex-direction: column; gap: 0.5rem; }
.detail-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.detail-row:last-child { border-bottom: none; padding-bottom: 0; }
.detail-row span:first-child { color: var(--text-light); font-weight: 500; }
.detail-row span:last-child { color: var(--text-dark); font-weight: 600; text-align: right; }

.portfolio-table-section { padding: 5rem 0; background: var(--white); }
.master-table-wrapper {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-xl); margin-bottom: 1.5rem;
}
.master-table-wrapper img { width: 100%; display: block; }
.portfolio-disclaimer {
  text-align: center; font-size: 0.75rem; color: var(--text-light);
  padding: 0.75rem 1.5rem; background: var(--off-white);
  border-radius: var(--radius-md); border: 1px solid var(--border);
  max-width: 600px; margin: 0 auto;
}

@media (max-width: 900px) {
  .category-header { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid.five-col { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .product-grid, .product-grid.five-col { grid-template-columns: 1fr; }
}