/* ═══════════════════════════════════════════════════════════════════════════
   product.css — Product detail page styles
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Breadcrumb ─────────────────────────────────────────────────────────── */
.breadcrumb {
  padding: 1rem var(--space-page);
  max-width: var(--max-w);
  margin: 0 auto;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .8125rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb [aria-current="page"] { color: var(--navy); }

/* ── Product Hero ───────────────────────────────────────────────────────── */
.product-hero {
  background: var(--bg-off);
  padding: 3rem var(--space-page) 4rem;
}
.product-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}
.product-brand-label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: .75rem 0 .4rem;
}
.product-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--navy);
  margin: 0 0 1rem;
}
.product-tagline {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0 0 1.25rem;
  max-width: 560px;
}
.product-hazard-hero {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: 1.5rem;
}

/* Pricing block (reuse shop vars) */
.product-pricing-hero {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: white;
  border: 1px solid rgba(10,22,40,.08);
  border-radius: var(--r);
  width: fit-content;
}
.price-unit,
.price-tco  { display: flex; flex-direction: column; gap: .2rem; }
.price-label { font-size: .75rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }
.price-value { font-size: 1.4rem; font-weight: 700; color: var(--navy); font-family: var(--font-head); }
.price-tco-val { color: var(--green, #1a7a4a); }
.price-note  { font-size: .75rem; color: var(--text-muted); }

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: .75rem;
}
.product-order-btn { display: flex; align-items: center; gap: .5rem; }
.product-moq-note { font-size: .8125rem; color: var(--text-muted); margin: 0; }

/* Hero visual */
.product-hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  padding-top: 1rem;
}
.product-icon-display {
  font-size: 7rem;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(10,22,40,.12));
}
.product-sku-badge {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: monospace;
  background: white;
  border: 1px solid rgba(10,22,40,.1);
  padding: .2rem .6rem;
  border-radius: var(--r-sm);
}

/* ── Shared section styles ──────────────────────────────────────────────── */
.product-section {
  padding: 3rem var(--space-page);
  border-bottom: 1px solid rgba(10,22,40,.06);
}
.product-section:last-of-type { border-bottom: none; }
.product-section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.product-section h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--navy);
  margin: 0 0 1rem;
}
.product-section h3 {
  font-size: 1rem;
  color: var(--navy);
  font-weight: 600;
  margin: 0 0 .75rem;
}
.product-section p { color: var(--text-secondary); line-height: 1.7; margin: 0 0 1rem; }
.section-intro { color: var(--text-muted); font-size: .9rem; }

/* Two-column layout for application section */
.product-section-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* ── EN Standard section ────────────────────────────────────────────────── */
.product-standard { background: white; }
.standard-badge-large {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-off);
  border-radius: var(--r);
  width: fit-content;
}
.badge-large {
  font-size: .9rem;
  padding: .4rem .9rem;
}
.standard-context { font-size: .8125rem; color: var(--text-muted); }

/* ── Application section ────────────────────────────────────────────────── */
.product-application { background: var(--bg-off); }
.sector-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.sector-list li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
  color: var(--text-secondary);
  padding: .4rem .75rem;
  background: white;
  border-radius: var(--r-sm);
  border: 1px solid rgba(10,22,40,.07);
}
.sector-list li::before { content: "→"; color: var(--accent); font-weight: 700; }

/* ── TCO section ────────────────────────────────────────────────────────── */
.product-tco { background: white; }
.tco-table-wrap { overflow-x: auto; margin: 1.25rem 0; }
.tco-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.tco-table th {
  text-align: left;
  padding: .6rem 1rem;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 2px solid rgba(10,22,40,.1);
}
.tco-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(10,22,40,.06);
  color: var(--text-secondary);
}
.tco-table tr.tco-highlight td {
  background: rgba(245,196,0,.08);
  font-weight: 600;
  color: var(--navy);
}
.tco-savings-note {
  font-size: .875rem;
  color: var(--text-muted);
  padding: .75rem 1rem;
  background: var(--bg-off);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--accent);
  margin: 0;
}

/* ── Selection section ──────────────────────────────────────────────────── */
.product-selection { background: var(--bg-off); }
.selection-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--navy);
  font-style: italic;
  padding: 1.25rem 1.5rem;
  background: white;
  border-radius: var(--r);
  border-left: 3px solid var(--accent);
  margin: 0 0 1.5rem;
}
.wearability-block {
  padding: 1rem 1.25rem;
  background: white;
  border: 1px solid rgba(10,22,40,.08);
  border-radius: var(--r);
}
.wearability-detail { font-size: .9rem; color: var(--text-secondary); margin: 0; }

/* ── Compliance section ─────────────────────────────────────────────────── */
.product-compliance { background: white; }
.compliance-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 1.5rem;
  background: var(--bg-off);
  border-radius: var(--r);
  border: 1px solid rgba(10,22,40,.08);
}
.compliance-box svg { color: var(--navy); margin-top: .15rem; flex-shrink: 0; }
.compliance-box p { margin: 0; font-size: .9rem; color: var(--text-secondary); line-height: 1.7; }

/* ── Bottom CTA ─────────────────────────────────────────────────────────── */
.product-cta-section {
  background: var(--navy);
  padding: 4rem var(--space-page);
  text-align: center;
}
.product-cta-inner {
  max-width: 600px;
  margin: 0 auto;
}
.product-cta-section h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: white;
  margin: 0 0 .75rem;
}
.product-cta-section p { color: rgba(255,255,255,.75); margin: 0 0 2rem; line-height: 1.7; }
.product-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.product-cta-btns .btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,.35);
  color: white;
  padding: .65rem 1.5rem;
  border-radius: var(--r-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  transition: border-color .2s, background .2s;
}
.product-cta-btns .btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,.08);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .product-hero-inner { grid-template-columns: 1fr; }
  .product-hero-visual { display: none; }
  .product-section-cols { grid-template-columns: 1fr; gap: 2rem; }
  .product-pricing-hero { flex-direction: column; gap: 1rem; }
}