/* ═══════════════════════════════════════════════════════════
   PRODUCT PAGE EXTENSIONS — v2 design system
═══════════════════════════════════════════════════════════ */

/* ── PRODUCT HERO ── */
#prd-hero {
  margin-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  min-height: 560px;
}
.prd-hero-text {
  padding: 64px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--rule);
}
.prd-hero-crumbs {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--ink3);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.prd-hero-crumbs a { text-decoration: none; transition: color .2s; }
.prd-hero-crumbs a:hover { color: var(--red); }
.prd-hero-crumbs span { color: var(--ink); }
.prd-hero-id {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--red);
  letter-spacing: .12em;
  margin-bottom: 14px;
}
.prd-hero-logo {
  height: 52px;
  margin-bottom: 28px;
  color: var(--ink);
  display: flex;
  align-items: center;
}
.prd-hero-logo svg, .prd-hero-logo object, .prd-hero-logo img { height: 100%; width: auto; max-width: 280px; display: block; pointer-events: none; object-fit: contain; }
.prd-hero-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 200;
  font-size: clamp(48px, 5.5vw, 84px);
  line-height: .94;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: -.005em;
  margin-bottom: 24px;
}
.prd-hero-name em { font-style: italic; color: var(--red); font-weight: 200; }
.prd-hero-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 16px;
  font-style: italic;
  color: var(--ink2);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.prd-hero-lead {
  font-size: 14px;
  color: var(--ink2);
  line-height: 1.78;
  max-width: 460px;
  margin-bottom: 36px;
}
.prd-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; }
.prd-hero-img { position: relative; overflow: hidden; }
.prd-hero-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.prd-hero-img-tag {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  padding: 12px 20px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: rgba(240,237,232,.6);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}
.prd-hero-img-tag .red { color: var(--red); }
@media (max-width: 1024px) {
  #prd-hero { grid-template-columns: 1fr; }
  .prd-hero-text { border-right: none; border-bottom: 1px solid var(--rule); padding: 48px 24px; }
  .prd-hero-img { min-height: 320px; }
}

/* ── FACTS BAR ── */
.prd-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--ink);
  border-bottom: 1px solid var(--rule);
}
.prd-fact {
  padding: 32px 28px;
  border-right: 1px solid rgba(240,237,232,.08);
}
.prd-fact:last-child { border-right: none; }
.prd-fact-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: rgba(240,237,232,.4);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.prd-fact-value {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 22px;
  text-transform: uppercase;
  color: var(--bg);
  line-height: 1.1;
  letter-spacing: .03em;
}
.prd-fact-value .red { color: var(--red); font-style: italic; }
@media (max-width: 768px) {
  .prd-facts { grid-template-columns: repeat(2,1fr); }
  .prd-fact:nth-child(2n) { border-right: none; }
  .prd-fact:nth-child(-n+2) { border-bottom: 1px solid rgba(240,237,232,.08); }
}

/* ── SECTION ── */
.prd-section { padding: 80px 0; background: var(--bg); border-bottom: 1px solid var(--rule); }
.prd-section.alt { background: var(--white); }
.prd-section.dark { background: var(--ink); }
.prd-section.dark .s-title { color: var(--bg); }
.prd-section.dark .s-title em { color: var(--red); }
.prd-section.dark .prd-section-lead { color: rgba(240,237,232,.6); }

.prd-section-head {
  max-width: 1400px;
  margin: 0 auto 56px;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}
.prd-section-lead {
  font-size: 14px;
  color: var(--ink2);
  line-height: 1.78;
  max-width: 540px;
}
@media (max-width: 900px) {
  .prd-section { padding: 56px 0; }
  .prd-section-head { grid-template-columns: 1fr; gap: 24px; padding: 0 24px; margin-bottom: 40px; }
}

/* ── FEATURE GRID ── */
.feature-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.feature-cell {
  background: var(--white);
  padding: 36px 32px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background .25s;
}
.feature-cell::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width .35s ease;
}
.feature-cell:hover { background: var(--bg); }
.feature-cell:hover::before { width: 100%; }
.feature-num {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: var(--red);
  letter-spacing: .12em;
  margin-bottom: 14px;
}
.feature-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.15;
}
.feature-desc { font-size: 12.5px; color: var(--ink3); line-height: 1.7; }
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; padding: 0 24px; }
}

/* ── FINISH GALLERY ── */
.finish-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
}
.finish-cell {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.finish-cell:nth-child(4n) { border-right: none; }
.finish-cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.85);
  transition: transform .8s ease;
}
.finish-cell:hover img { transform: scale(1.06); }
.finish-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  background: linear-gradient(to top, rgba(26,25,22,.92) 0%, rgba(26,25,22,0) 60%);
  color: var(--bg);
}
.finish-meta {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(240,237,232,.7);
  margin-bottom: 6px;
}
.finish-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 17px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
@media (max-width: 768px) {
  .finish-gallery { grid-template-columns: repeat(2, 1fr); }
  .finish-cell:nth-child(2n) { border-right: none; }
}

/* ── CASE STUDY ── */
.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--white);
  border-top: 1px solid var(--rule);
}
.case-img { overflow: hidden; aspect-ratio: 4/3; }
.case-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.85);
  transition: transform 1s ease;
}
.case-study:hover .case-img img { transform: scale(1.04); }
.case-copy {
  padding: 56px 48px;
  display: flex; flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--rule);
}
.case-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: var(--red);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.case-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 30px;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 18px;
}
.case-title em { font-style: italic; color: var(--red); font-weight: 300; }
.case-body { font-size: 13.5px; color: var(--ink3); line-height: 1.78; margin-bottom: 24px; }
.case-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
  gap: 0;
}
.case-meta-item { padding: 8px 0; }
.case-meta-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: var(--ink3);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.case-meta-value {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink);
}
@media (max-width: 900px) {
  .case-study { grid-template-columns: 1fr; }
  .case-copy { border-left: none; padding: 40px 24px; }
}

/* ── SPEC TABLE ── */
.spec-block {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}
.spec-table {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--rule);
}
.spec-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  border-bottom: 1px solid var(--rule);
  transition: background .2s;
}
.spec-row:last-child { border-bottom: none; }
.spec-row:hover { background: var(--bg); }
.spec-label {
  padding: 16px 22px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--ink3);
  letter-spacing: .1em;
  text-transform: uppercase;
  border-right: 1px solid var(--rule);
}
.spec-value {
  padding: 16px 22px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--ink);
  text-transform: uppercase;
}
@media (max-width: 768px) {
  .spec-block { padding: 0 24px; }
  .spec-row { grid-template-columns: 1fr; }
  .spec-label { border-right: none; border-bottom: 1px solid var(--rule); padding: 12px 16px; }
  .spec-value { padding: 12px 16px 16px; }
}

/* ── CTA ── */
.prd-cta-block {
  background: var(--ink);
  padding: 72px 48px;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.prd-cta-block .s-eyebrow { color: rgba(240,237,232,.5); justify-content: center; margin-bottom: 16px; }
.prd-cta-block .s-eyebrow::before { background: rgba(240,237,232,.4); }
.prd-cta-block .s-title { color: var(--bg); margin-bottom: 18px; }
.prd-cta-block .s-title em { color: var(--red); }
.prd-cta-block p {
  color: rgba(240,237,232,.6);
  margin-bottom: 32px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  font-size: 14px;
  line-height: 1.78;
}
.prd-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── RELATED ── */
.related-prd { background: var(--white); }
.related-head {
  padding: 56px 48px 32px;
  border-bottom: 1px solid var(--rule);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.related-card {
  border-right: 1px solid var(--rule);
  text-decoration: none;
  display: block;
  padding: 32px 32px 36px;
  transition: background .2s;
  position: relative;
}
.related-card:last-child { border-right: none; }
.related-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.related-card:hover { background: var(--bg); }
.related-card:hover::before { transform: scaleX(1); }
.related-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: var(--ink3);
  letter-spacing: .1em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.related-logo {
  height: 24px;
  margin-bottom: 12px;
  color: var(--ink);
}
.related-logo svg, .related-logo img { height: 100%; width: auto; max-width: 160px; object-fit: contain; display: block; }
.related-desc { font-size: 12.5px; color: var(--ink3); line-height: 1.65; margin-bottom: 14px; }
.related-cta {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  color: var(--red);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap .25s;
}
.related-card:hover .related-cta { gap: 12px; }
@media (max-width: 900px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-card { border-right: none; border-bottom: 1px solid var(--rule); }
  .related-card:last-child { border-bottom: none; }
}