/* ============================================================
   Hearthcore — Product Detail Page (B2B display-only)
   Depends on: main.css (tokens + base components)
   ============================================================ */

/* ====== DEPRECATED (no longer rendered) ======
   .prod-rating — retail-style star reviews removed for B2B context.
   Kept here commented out in case future re-introduction is needed.
   ============================================================ */

/* ====== Breadcrumb ====== */
.crumb {
  padding: 16px 0;
  border-bottom: var(--line);
  background: var(--ink-50);
  font-size: 13px;
  color: var(--ink-500);
}
.crumb .wrap { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.crumb a { color: var(--ink-700); }
.crumb a:hover { color: var(--orange); }
.crumb span[aria-hidden] { color: var(--ink-300); }
.crumb .cur { color: var(--ink-900); font-weight: 500; }

/* ====== Product Hero ====== */
.prod-hero { padding: 64px 0 56px; background: white; }
.prod-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }

/* Gallery */
.prod-gallery-main {
  position: relative;
  height: 520px;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--line);
  background: linear-gradient(135deg, #F1F5F9 0%, #CBD5E1 100%);
  display: grid;
  place-items: center;
}
.prod-gallery-main .prod-vis {
  width: 220px; height: 380px;
  background: white;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  position: relative;
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}
.prod-gallery-main .prod-vis::before {
  content: ''; position: absolute; top: 28px; left: 50%; transform: translateX(-50%);
  width: 150px; height: 240px; background: var(--ink-900); border-radius: 6px;
}
.prod-gallery-main .prod-vis::after {
  content: ''; position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 5px; background: var(--orange); border-radius: 2px;
}
.prod-gallery-main .prod-badge {
  position: absolute; top: 16px; left: 16px;
  padding: 6px 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 500;
  letter-spacing: 0.3px;
}
.prod-gallery-main .hot { background: var(--orange); color: white; border-radius: 4px; }
.prod-gallery-main .oem { background: var(--ink-900); color: white; border-radius: 4px; padding: 6px 12px; font-weight: 600; }
.prod-gallery-main .gallery-marker {
  position: absolute; top: 24px; right: 24px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  display: flex; align-items: center; gap: 6px;
}
.prod-gallery-main .gallery-marker::before {
  content: ''; width: 6px; height: 6px;
  background: var(--green); border-radius: 50%;
}

.prod-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
.prod-thumbs .thumb {
  height: 96px; border-radius: 8px;
  border: 1.5px solid var(--ink-200);
  background: var(--ink-100);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}
.prod-thumbs .thumb::before {
  content: ''; width: 24px; height: 40px;
  background: white; border: 1px solid rgba(0,0,0,0.1); border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
.prod-thumbs .thumb:hover { border-color: var(--ink-400); }
.prod-thumbs .thumb.active { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(234,88,12,0.12); }

/* Info column */
.prod-info-cat {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--orange); font-weight: 500;
  margin-bottom: 14px;
  padding: 4px 10px; background: var(--orange-soft);
  border-radius: 4px;
}
.prod-info-cat::before { content: 'HC'; font-weight: 700; color: white; background: var(--orange); padding: 1px 6px; border-radius: 3px; }

.prod-info h1 {
  font-size: 40px; line-height: 1.15; letter-spacing: -0.025em;
  font-weight: 700; margin-bottom: 16px;
}
.prod-info h1 em { font-style: normal; color: var(--orange); }

.prod-tagline {
  font-size: 17px; line-height: 1.6;
  color: var(--ink-500); margin-bottom: 24px;
  padding-bottom: 24px; border-bottom: var(--line);
}

.prod-rating {
  /* DEPRECATED — kept for backward compat, no longer rendered in HTML */
  display: none;
}

.prod-info .prod-specs { margin-bottom: 24px; }
.prod-info .prod-specs .spec-chip { font-size: 12px; padding: 6px 10px; }

.prod-cta-row { display: flex; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.prod-cta-row .btn { flex: 1; min-width: 160px; justify-content: center; }

.prod-quick-meta {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--ink-200);
  border: var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.prod-quick-meta div {
  background: white; padding: 16px 18px;
  display: flex; gap: 12px; align-items: center;
}
.prod-quick-meta .qm-ic {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--ink-50);
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 600;
  font-size: 13px; color: var(--orange);
}
.prod-quick-meta strong { display: block; font-weight: 600; font-size: 15px; color: var(--ink-900); font-family: 'JetBrains Mono', monospace; }
.prod-quick-meta small { display: block; font-size: 11px; color: var(--ink-500); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }

/* ====== Section: Key Features ====== */
.pd-features { background: var(--ink-50); }
.pd-feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pd-feat {
  background: white; border: var(--line); border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.2s;
}
.pd-feat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--ink-300); }
.pd-feat-ic {
  width: 48px; height: 48px; border-radius: 10px;
  background: var(--orange-soft); color: var(--orange);
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 20px;
  margin-bottom: 16px;
}
.pd-feat h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.pd-feat p { font-size: 13.5px; color: var(--ink-500); line-height: 1.55; }
.pd-feat .feat-tag {
  display: inline-block; margin-top: 10px;
  padding: 2px 8px; background: var(--ink-50);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
  color: var(--ink-600);
}

/* ====== Section: Spec Table ====== */
.pd-specs { background: white; }
.pd-spec-table {
  border: var(--line); border-radius: var(--radius); overflow: hidden;
}
.pd-spec-table .spec-row {
  display: grid; grid-template-columns: 240px 1fr;
  border-bottom: var(--line);
  transition: background 0.15s;
}
.pd-spec-table .spec-row:last-child { border-bottom: none; }
.pd-spec-table .spec-row:hover { background: var(--ink-50); }
.pd-spec-table .spec-row.alt { background: var(--ink-50); }
.pd-spec-table .spec-row.alt:hover { background: var(--ink-100); }
.pd-spec-table .spec-key {
  padding: 18px 24px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--ink-500); font-weight: 500;
  background: var(--ink-50);
  border-right: var(--line);
  display: flex; align-items: center;
}
.pd-spec-table .spec-row.alt .spec-key { background: var(--ink-100); }
.pd-spec-table .spec-val {
  padding: 18px 24px;
  font-size: 14px; color: var(--ink-900);
}
.pd-spec-table .spec-val strong { font-family: 'JetBrains Mono', monospace; font-weight: 600; color: var(--ink-900); }
.pd-spec-table .spec-val span:not(:last-child)::after {
  content: ' · '; color: var(--ink-300); margin: 0 4px;
}

/* ====== Section: Dimensions / Installation ====== */
.pd-dim { background: var(--ink-50); }
.pd-dim-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }

.pd-dim-vis {
  height: 380px; border-radius: var(--radius);
  background: white; border: var(--line);
  position: relative; overflow: hidden;
  display: grid; place-items: center;
}
.pd-dim-vis svg { width: 70%; height: 70%; }

.pd-dim-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.pd-dim-list .dim-item {
  display: flex; gap: 16px; padding: 16px 18px;
  background: white; border: var(--line); border-radius: var(--radius-sm);
}
.pd-dim-list .dim-ic {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--orange-soft); color: var(--orange);
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}
.pd-dim-list strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.pd-dim-list p { font-size: 13px; color: var(--ink-500); line-height: 1.5; }

/* ====== Section: Certifications ====== */
.pd-cert { background: white; }
.pd-cert-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 16px;
}
.pd-cert-item {
  text-align: center; padding: 24px 12px;
  border: var(--line); border-radius: var(--radius);
  transition: all 0.15s;
}
.pd-cert-item:hover { border-color: var(--ink-900); transform: translateY(-2px); }
.pd-cert-mark {
  width: 56px; height: 56px; margin: 0 auto 12px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700; font-size: 13px;
  background: var(--ink-50);
}
.pd-cert-item h4 { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.pd-cert-item p { font-size: 11px; color: var(--ink-500); font-family: 'JetBrains Mono', monospace; }

/* ====== Section: OEM Process (reuse .process styles) ====== */
.pd-oem { background: var(--ink-50); }

/* ====== Section: Related Products ====== */
.pd-related { background: white; }

/* ====== Responsive ====== */
@media (max-width: 1024px) {
  .prod-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .prod-gallery-main { height: 420px; }
  .pd-feat-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-dim-grid { grid-template-columns: 1fr; gap: 40px; }
  .pd-cert-grid { grid-template-columns: repeat(4, 1fr); }
  .prod-info h1 { font-size: 32px; }
  .pd-spec-table .spec-row { grid-template-columns: 180px 1fr; }
}
@media (max-width: 640px) {
  .prod-hero { padding: 40px 0; }
  .prod-gallery-main { height: 340px; }
  .prod-gallery-main .prod-vis { width: 160px; height: 280px; }
  .prod-gallery-main .prod-vis::before { width: 110px; height: 180px; top: 20px; }
  .prod-info h1 { font-size: 26px; }
  .pd-feat-grid { grid-template-columns: 1fr; }
  .pd-cert-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-spec-table .spec-row { grid-template-columns: 1fr; }
  .pd-spec-table .spec-key { border-right: none; border-bottom: var(--line); padding: 12px 16px; }
  .pd-spec-table .spec-val { padding: 12px 16px; }
  .prod-cta-row { flex-direction: column; }
  .prod-cta-row .btn { width: 100%; }
}

/* ============================================================
   B2B-Specific Additions
   ============================================================ */

/* ====== Trade Badges (replaces retail star rating) ====== */
.trade-badges {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  margin-bottom: 24px;
}
.tb-item {
  display: flex; gap: 12px; align-items: center;
  padding: 12px 14px;
  background: var(--ink-50); border: 1px solid var(--ink-100);
  border-radius: var(--radius-sm);
}
.tb-ic {
  width: 36px; height: 36px; border-radius: 8px;
  background: white; border: 1px solid var(--ink-200);
  display: grid; place-items: center;
  font-size: 16px; color: var(--orange);
  flex-shrink: 0;
}
.tb-item strong {
  display: block; font-size: 13.5px; font-weight: 600;
  color: var(--ink-900); line-height: 1.3;
}
.tb-item small {
  display: block; font-size: 11.5px; color: var(--ink-500);
  font-family: 'JetBrains Mono', monospace; margin-top: 2px;
}

/* ====== Section: Shipping & Packaging ====== */
.pd-ship { background: var(--ink-50); }
.pd-ship-table {
  border: var(--line); border-radius: var(--radius);
  overflow: hidden; background: white;
  margin-bottom: 28px;
}
.pd-ship-table .ship-row {
  display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 0.9fr 0.9fr 1.2fr;
  gap: 0;
  border-bottom: var(--line);
}
.pd-ship-table .ship-row:last-child { border-bottom: none; }
.pd-ship-table .ship-row > div {
  padding: 18px 20px;
  font-size: 13.5px; color: var(--ink-900);
  border-right: var(--line);
  display: flex; flex-direction: column; gap: 4px;
  justify-content: center;
}
.pd-ship-table .ship-row > div:last-child { border-right: none; }
.pd-ship-table .ship-row.alt > div { background: var(--ink-50); }
.pd-ship-table .ship-head > div {
  background: var(--ink-900) !important; color: white;
  font-family: 'JetBrains Mono', monospace; font-size: 11.5px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}
.pd-ship-table small {
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
  color: var(--ink-500);
}
.pd-ship-notes {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.pd-ship-notes > div {
  background: white; border: var(--line); border-radius: var(--radius-sm);
  padding: 18px 20px;
}
.pd-ship-notes strong {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--ink-900); margin-bottom: 6px;
}
.pd-ship-notes p {
  font-size: 12px; color: var(--ink-500); line-height: 1.55;
}

/* ====== Section: Trade Terms ====== */
.pd-trade { background: white; }
.pd-trade-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.pd-trade-card {
  background: var(--ink-50); border: var(--line);
  border-radius: var(--radius); padding: 24px 22px;
  transition: all 0.2s;
}
.pd-trade-card:hover {
  background: white; border-color: var(--orange);
  transform: translateY(-2px); box-shadow: var(--shadow-md);
}
.pd-trade-card .td-ic {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--ink-900); color: var(--orange);
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 14px;
  margin-bottom: 14px;
}
.pd-trade-card h3 {
  font-size: 16px; font-weight: 600; margin-bottom: 12px;
  color: var(--ink-900);
}
.pd-trade-card ul { list-style: none; padding: 0; }
.pd-trade-card li {
  font-size: 13px; color: var(--ink-500); line-height: 1.55;
  padding: 4px 0;
  border-bottom: 1px dashed var(--ink-200);
}
.pd-trade-card li:last-child { border-bottom: none; }
.pd-trade-card li strong { color: var(--ink-900); font-weight: 600; font-family: 'JetBrains Mono', monospace; font-size: 12.5px; }

/* ====== Section: Inquiry CTA ====== */
.pd-inquiry {
  background: linear-gradient(135deg, var(--ink-900) 0%, #1A2438 100%);
  color: white;
}
.pd-inquiry .sec-eyebrow { color: var(--orange); }
.pd-inquiry .sec-title { color: white; }
.pd-inquiry .sec-sub { color: rgba(255,255,255,0.7); }
.pd-inq-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px;
  align-items: start;
}
.pd-inq-contacts { display: flex; flex-direction: column; gap: 14px; }
.inq-contact {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.inq-contact:hover { background: rgba(255,255,255,0.07); border-color: var(--orange); }
.inq-av {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--orange); color: white;
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.inq-contact strong {
  display: block; font-size: 14px; font-weight: 600; color: white;
  margin-bottom: 2px;
}
.inq-contact small {
  display: block; font-size: 11.5px;
  color: rgba(255,255,255,0.5);
  font-family: 'JetBrains Mono', monospace; margin-bottom: 6px;
}
.inq-meta { display: flex; flex-wrap: wrap; gap: 10px; }
.inq-meta a {
  font-size: 12px; color: rgba(255,255,255,0.85);
  padding: 4px 10px; background: rgba(255,255,255,0.06);
  border-radius: 999px; border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.15s;
}
.inq-meta a:hover { background: var(--orange); color: white; border-color: var(--orange); }

.pd-inq-form {
  background: white; color: var(--ink-900);
  padding: 28px;
  border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 14px;
}
.inq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.inq-row label, .inq-full label { display: flex; flex-direction: column; gap: 6px; }
.inq-row span, .inq-full span {
  font-family: 'JetBrains Mono', monospace; font-size: 11.5px;
  color: var(--ink-500); font-weight: 500;
}
.inq-row input, .inq-full input, .inq-full textarea {
  padding: 10px 12px;
  border: 1px solid var(--ink-200); border-radius: var(--radius-sm);
  font-size: 13.5px; font-family: inherit;
  background: white; color: var(--ink-900);
  transition: all 0.15s;
}
.inq-row input:focus, .inq-full input:focus, .inq-full textarea:focus {
  outline: none; border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(234,88,12,0.12);
}
.inq-full textarea { resize: vertical; min-height: 80px; }
.inq-actions {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  margin-top: 6px;
}
.inq-actions small {
  font-size: 11.5px; color: var(--ink-500);
  font-family: 'JetBrains Mono', monospace;
}

/* ====== Responsive Additions for B2B Sections ====== */
@media (max-width: 1024px) {
  .trade-badges { grid-template-columns: repeat(2, 1fr); }
  .pd-ship-notes { grid-template-columns: repeat(2, 1fr); }
  .pd-trade-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-inq-grid { grid-template-columns: 1fr; }
  .pd-ship-table .ship-row { grid-template-columns: 1.4fr 0.8fr 1fr 0.9fr 0.9fr 1.2fr; font-size: 12.5px; }
  .pd-ship-table .ship-row > div { padding: 14px 12px; }
}
@media (max-width: 640px) {
  .trade-badges { grid-template-columns: 1fr; }
  .pd-ship-notes { grid-template-columns: 1fr; }
  .pd-trade-grid { grid-template-columns: 1fr; }
  .inq-row { grid-template-columns: 1fr; }
  .pd-ship-table { overflow-x: auto; }
  .pd-ship-table .ship-row { min-width: 720px; }
  .pd-ship-table .ship-row > div { padding: 12px 10px; font-size: 12px; }
  .pd-inq-form { padding: 20px; }
}