/* ============================================
   PRODUCT DETAIL PAGE (PDP)
   Shared styles for electrolyte-strips.html,
   melatonin-strips.html, etc.
   ============================================ */

/* ─── Breadcrumb bar ─── */
.pdp-breadcrumb-bar {
  background: var(--cream);
  border-bottom: 1px solid rgba(0,0,0,.07);
  padding: 12px 0;
  margin-top: 0;
}
.pdp-breadcrumb-bar .breadcrumb {
  font-size: 0.85rem;
}

/* ─── Hero ─── */
.pdp-hero {
  background: var(--cream);
  padding: 56px 0 72px;
}
.pdp-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* ─── Gallery ─── */
.pdp-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pdp-main-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-md);
  aspect-ratio: 1 / 1;
}
.pdp-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--green-500);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  z-index: 2;
}
.pdp-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.pdp-main-img-wrap:hover .pdp-main-img { transform: scale(1.03); }

.pdp-thumbnails {
  display: flex;
  gap: 10px;
}
.pdp-thumb {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  background: #fff;
  transition: border-color var(--transition);
  box-shadow: var(--shadow-sm);
}
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp-thumb.active,
.pdp-thumb:hover { border-color: var(--green-500); }

/* ─── Info panel ─── */
.pdp-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.pdp-brand {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pdp-type {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-500);
  background: var(--green-50);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}
.pdp-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--dark);
  margin: 0 0 6px;
  line-height: 1.2;
}
.pdp-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.pdp-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.pdp-stars { color: #f59e0b; font-size: 1.1rem; letter-spacing: 2px; }
.pdp-rating-count { font-size: 0.85rem; color: var(--text-muted); }

.pdp-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.pdp-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
}
.pdp-currency { font-size: 1rem; color: var(--text-muted); }
.pdp-per { font-size: 0.9rem; color: var(--text-muted); }
.pdp-per-unit {
  font-size: 0.8rem;
  color: var(--green-600);
  background: var(--green-50);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.pdp-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 28px;
}

/* ─── Highlights ─── */
.pdp-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}
.pdp-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid rgba(0,0,0,.07);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.pdp-highlight-icon { font-size: 1.4rem; flex-shrink: 0; }
.pdp-highlight-label { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); }
.pdp-highlight-val { font-size: 0.9rem; font-weight: 600; color: var(--dark); }

/* ─── Qty & actions ─── */
.pdp-qty-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.pdp-qty-label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.pdp-qty-ctrl {
  display: flex;
  align-items: center;
  border: 1px solid rgba(0,0,0,.15);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.pdp-qty-btn {
  background: none;
  border: none;
  width: 38px;
  height: 38px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--dark);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pdp-qty-btn:hover { background: var(--green-50); }
.pdp-qty-val {
  width: 40px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.pdp-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.pdp-atc {
  flex: 1;
  min-width: 160px;
  gap: 8px;
  font-size: 1rem;
  padding: 14px 24px;
}
.pdp-checkout {
  padding: 14px 24px;
  white-space: nowrap;
}

.pdp-trust {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pdp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pdp-tags span {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0,0,0,.1);
  color: var(--text-muted);
}

/* ─── Tabs ─── */
.pdp-tabs-section {
  padding: 64px 0;
  background: #fff;
}
.pdp-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid rgba(0,0,0,.08);
  margin-bottom: 40px;
}
.pdp-tab {
  background: none;
  border: none;
  padding: 12px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.pdp-tab:hover { color: var(--dark); }
.pdp-tab.active { color: var(--green-600); border-bottom-color: var(--green-500); }

.pdp-tab-hidden { display: none !important; }
.pdp-tab-content { animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.pdp-tab-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.pdp-tab-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  margin: 0 0 16px;
}
.pdp-tab-content p {
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 16px;
}
.pdp-callout {
  background: var(--green-50);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.pdp-callout-icon { font-size: 2rem; margin-bottom: 12px; }
.pdp-callout h4 { font-size: 1.05rem; margin: 0 0 10px; color: var(--dark); }
.pdp-callout p { color: var(--text); font-size: 0.9rem; margin: 0; }

/* Benefits grid */
.pdp-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pdp-benefit-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid rgba(0,0,0,.06);
}
.pdp-benefit-icon { font-size: 2rem; margin-bottom: 14px; }
.pdp-benefit-card h4 { font-size: 1rem; margin: 0 0 10px; color: var(--dark); }
.pdp-benefit-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* How to use steps */
.pdp-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
}
.pdp-step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(0,0,0,.07);
}
.pdp-step:last-child { border-bottom: none; }
.pdp-step-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-400);
  font-family: 'Playfair Display', serif;
  min-width: 48px;
  padding-top: 2px;
}
.pdp-step h4 { font-size: 1rem; margin: 0 0 8px; color: var(--dark); }
.pdp-step p { font-size: 0.9rem; color: var(--text-muted); margin: 0; line-height: 1.7; }

/* Supplement facts */
.pdp-supp-facts {
  border: 1px solid rgba(0,0,0,.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
}
.pdp-supp-header {
  background: var(--dark);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
}
.pdp-supp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.pdp-supp-table th {
  background: rgba(0,0,0,.04);
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pdp-supp-table td {
  padding: 10px 16px;
  border-top: 1px solid rgba(0,0,0,.07);
}
.pdp-supp-note {
  padding: 12px 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(0,0,0,.02);
  margin: 0;
  border-top: 1px solid rgba(0,0,0,.07);
}
.pdp-allergen-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pdp-allergen-list li {
  font-size: 0.9rem;
  color: var(--green-700);
  font-weight: 600;
}

/* ─── Reviews ─── */
.pdp-reviews-section {
  padding: 64px 0;
  background: var(--cream);
}
.pdp-section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  text-align: center;
  margin-bottom: 40px;
  color: var(--dark);
}
.pdp-review-summary {
  display: flex;
  gap: 48px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}
.pdp-review-score { text-align: center; min-width: 100px; }
.pdp-score-num { font-size: 3rem; font-weight: 800; color: var(--dark); line-height: 1; }
.pdp-score-stars { color: #f59e0b; font-size: 1.2rem; margin: 6px 0; }
.pdp-score-count { font-size: 0.8rem; color: var(--text-muted); }
.pdp-review-bars { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.pdp-bar-row { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-muted); }
.pdp-bar-row span:first-child { width: 32px; text-align: right; }
.pdp-bar-row span:last-child { width: 36px; }
.pdp-bar { flex: 1; height: 8px; background: rgba(0,0,0,.08); border-radius: var(--radius-pill); overflow: hidden; }
.pdp-bar-fill { height: 100%; background: var(--green-400); border-radius: var(--radius-pill); }

.pdp-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pdp-review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,.05);
}
.pdp-review-stars { color: #f59e0b; font-size: 0.95rem; margin-bottom: 12px; }
.pdp-review-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 16px;
  font-style: italic;
}
.pdp-reviewer { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }

/* ─── Related ─── */
.pdp-related {
  padding: 64px 0;
  background: #fff;
}
.pdp-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 320px);
  gap: 24px;
  justify-content: center;
}
.pdp-related-card {
  text-decoration: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.07);
  transition: transform var(--transition), box-shadow var(--transition);
  background: #fff;
}
.pdp-related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pdp-related-img-wrap {
  height: 220px;
  overflow: hidden;
  background: var(--cream);
}
.pdp-related-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.pdp-related-card:hover .pdp-related-img-wrap img { transform: scale(1.05); }
.pdp-related-img-wrap--all {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--green-50);
}
.pdp-related-body { padding: 20px; }
.pdp-related-type { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--green-500); margin-bottom: 6px; }
.pdp-related-body h3 { font-size: 1rem; margin: 0 0 8px; color: var(--dark); }
.pdp-related-price { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .pdp-benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .pdp-reviews-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .pdp-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .pdp-tab-grid { grid-template-columns: 1fr; }
  .pdp-callout { order: -1; }
}
@media (max-width: 640px) {
  .pdp-hero { padding: 36px 0 48px; }
  .pdp-highlights { grid-template-columns: 1fr; }
  .pdp-benefits-grid { grid-template-columns: 1fr; }
  .pdp-reviews-grid { grid-template-columns: 1fr; }
  .pdp-review-summary { flex-direction: column; gap: 24px; padding: 24px; }
  .pdp-related-grid { grid-template-columns: 1fr; }
  .pdp-tabs { overflow-x: auto; }
}