/* ============================================================ */
/* PRODUCT DETAIL — premium upgrade                              */
/* ============================================================ */

/* HERO */
.prod-hero{
  position:relative;
  padding:160px 0 120px;
  background:linear-gradient(180deg, var(--obsidian) 0%, var(--void) 100%);
  overflow:hidden;
}
.prod-hero-bg-grid{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 30%, rgba(212,162,76,0.08), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212,162,76,0.04), transparent 50%);
  pointer-events:none;
}
.prod-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(212,162,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,162,76,0.04) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 70%);
  pointer-events:none;
}
.prod-hero .container{position:relative; z-index:1}

.prod-hero-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:80px;
  align-items:center;
}
@media(max-width:1100px){
  .prod-hero-grid{grid-template-columns:1fr; gap:60px}
}

.prod-hero-text .breadcrumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.18em;
  color:var(--silver);
  text-transform:uppercase;
  margin-bottom:32px;
}
.prod-hero-text .breadcrumbs a{
  color:var(--silver);
  text-decoration:none;
  transition:color 0.3s;
}
.prod-hero-text .breadcrumbs a:hover{color:var(--gold)}
.prod-hero-text .breadcrumbs .sep{color:rgba(138,149,168,0.4)}
.prod-hero-text .breadcrumbs .current{color:var(--gold)}

.prod-hero-text .id-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.78rem;
  letter-spacing:0.32em;
  color:var(--gold);
  text-transform:uppercase;
  font-weight:500;
  margin-bottom:28px;
  padding:6px 14px;
  border:1px solid rgba(212,162,76,0.28);
  border-radius:3px;
  background:rgba(212,162,76,0.06);
}

.prod-hero-text h1{
  font-family:var(--sans);
  font-size:clamp(3rem, 6.5vw, 5rem);
  font-weight:200;
  line-height:1.02;
  letter-spacing:-0.025em;
  color:var(--ivory);
  margin-bottom:32px;
}
.prod-hero-text h1 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.prod-hero-text .lead{
  font-size:1.08rem;
  line-height:1.65;
  color:var(--pearl);
  font-weight:300;
  margin-bottom:42px;
  max-width:600px;
}

.hero-cta-row{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:60px;
}

.prod-hero .quick-stats{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:0;
  padding:32px 0 0;
  border-top:1px solid var(--line-strong);
}
@media(max-width:600px){.prod-hero .quick-stats{grid-template-columns:repeat(2, 1fr); gap:24px}}

.prod-hero .qstat{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:0 24px;
  border-left:1px solid var(--line);
}
.prod-hero .qstat:first-child{border-left:none; padding-left:0}
.prod-hero .qstat .num{
  font-family:var(--display);
  font-style:italic;
  font-size:2.4rem;
  font-weight:500;
  line-height:1;
  color:var(--gold);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.prod-hero .qstat .num-sub{
  font-family:var(--mono);
  font-style:normal;
  font-size:0.85rem;
  color:var(--silver);
  letter-spacing:0.05em;
  font-weight:400;
}
.prod-hero .qstat .lbl{
  font-family:var(--mono);
  font-size:0.66rem;
  letter-spacing:0.22em;
  color:var(--silver);
  text-transform:uppercase;
  font-weight:500;
}

.prod-hero-visual{position:relative}
.prod-hero-visual .hero-cam{
  width:100%;
  height:auto;
  display:block;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}

/* FEATURE BLOCKS */
.prod-features{
  padding:140px 0;
  background:var(--obsidian);
  position:relative;
}
.prod-features .section-head{
  text-align:center;
  margin-bottom:100px;
}
.prod-features .section-head h2{
  font-family:var(--sans);
  font-size:clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight:200;
  line-height:1.1;
  letter-spacing:-0.022em;
  color:var(--ivory);
}
.prod-features .section-head h2 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.prod-features .section-head .eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.32em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:24px;
  font-weight:500;
}

.prod-features .feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:center;
  margin-bottom:120px;
}
.prod-features .feature-row:last-child{margin-bottom:0}
.prod-features .feature-row.reverse{direction:rtl}
.prod-features .feature-row.reverse > *{direction:ltr}
@media(max-width:1000px){
  .prod-features .feature-row{grid-template-columns:1fr; gap:50px}
  .prod-features .feature-row.reverse{direction:ltr}
}

.prod-features .feature-content .eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.28em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:20px;
  font-weight:500;
}
.prod-features .feature-content h2{
  font-family:var(--sans);
  font-size:clamp(2rem, 3.6vw, 2.8rem);
  font-weight:200;
  line-height:1.15;
  letter-spacing:-0.018em;
  color:var(--ivory);
  margin-bottom:24px;
}
.prod-features .feature-content h2 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.prod-features .feature-content .feature-body p{
  font-size:1rem;
  line-height:1.72;
  color:var(--pearl);
  margin-bottom:18px;
  font-weight:300;
}
.prod-features .feature-content .feature-body p:last-child{margin-bottom:0}
.prod-features .feature-bullets{
  list-style:none;
  margin-top:32px;
  padding:24px 0 0;
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px 32px;
}
@media(max-width:560px){.prod-features .feature-bullets{grid-template-columns:1fr}}
.prod-features .feature-bullets li{
  position:relative;
  padding-left:22px;
  font-size:0.9rem;
  line-height:1.5;
  color:var(--ivory);
  font-weight:300;
}
.prod-features .feature-bullets li::before{
  content:'';
  position:absolute;
  left:0;
  top:7px;
  width:10px;
  height:10px;
  border:1.5px solid var(--gold);
  border-radius:2px;
  transform:rotate(45deg);
  background:linear-gradient(135deg, transparent 50%, var(--gold) 50%);
}

.prod-features .feature-visual{
  position:relative;
}
.prod-features .feature-visual svg{
  width:100%;
  height:auto;
  display:block;
  border-radius:6px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,0.6);
  border:1px solid var(--line);
}

/* APPLICATIONS */
.prod-applications{
  padding:120px 0;
  background:linear-gradient(180deg, var(--obsidian), var(--void));
  position:relative;
}
.prod-applications .section-head{
  text-align:center;
  margin-bottom:80px;
}
.prod-applications .section-head .eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.32em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:24px;
  font-weight:500;
}
.prod-applications .section-head h2{
  font-family:var(--sans);
  font-size:clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight:200;
  line-height:1.1;
  letter-spacing:-0.022em;
  color:var(--ivory);
}
.prod-applications .section-head h2 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.apps-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
@media(max-width:900px){.apps-grid{grid-template-columns:repeat(2, 1fr)}}
@media(max-width:560px){.apps-grid{grid-template-columns:1fr}}

.app-card{
  padding:36px 28px;
  background:var(--carbon);
  border:1px solid var(--line);
  border-radius:6px;
  transition:transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.app-card:hover{
  transform:translateY(-6px);
  border-color:rgba(212,162,76,0.3);
  box-shadow:0 24px 60px -20px rgba(212,162,76,0.15);
}
.app-card .app-num{
  font-family:var(--display);
  font-style:italic;
  font-size:1.6rem;
  color:var(--gold);
  margin-bottom:18px;
  font-weight:500;
}
.app-card h4{
  font-family:var(--sans);
  font-size:1.1rem;
  font-weight:500;
  color:var(--ivory);
  margin-bottom:10px;
  letter-spacing:-0.005em;
}
.app-card p{
  font-size:0.88rem;
  line-height:1.55;
  color:var(--silver);
  font-weight:300;
}

/* SPECS */
.prod-specs{
  padding:140px 0;
  background:var(--void);
  position:relative;
}
.prod-specs .section-head{
  text-align:center;
  margin-bottom:80px;
}
.prod-specs .section-head .eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.32em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:24px;
  font-weight:500;
}
.prod-specs .section-head h2{
  font-family:var(--sans);
  font-size:clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight:200;
  line-height:1.1;
  letter-spacing:-0.022em;
  color:var(--ivory);
}
.prod-specs .section-head h2 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.specs-stack{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  max-width:1100px;
  margin:0 auto;
}
@media(max-width:900px){.specs-stack{grid-template-columns:1fr}}

.spec-group{
  background:var(--carbon);
  border:1px solid var(--line);
  border-radius:6px;
  padding:36px 32px;
}
.spec-group h3{
  font-family:var(--display);
  font-style:italic;
  font-size:1.35rem;
  color:var(--gold);
  font-weight:500;
  margin-bottom:24px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(212,162,76,0.2);
  letter-spacing:-0.005em;
}
.spec-group .spec-table{
  width:100%;
  border-collapse:collapse;
  font-family:var(--sans);
}
.spec-group .spec-table tr{
  border-bottom:1px solid var(--line);
}
.spec-group .spec-table tr:last-child{border-bottom:none}
.spec-group .spec-table th{
  text-align:left;
  padding:14px 0;
  font-size:0.84rem;
  font-weight:400;
  color:var(--silver);
  letter-spacing:0.02em;
  width:38%;
  vertical-align:top;
}
.spec-group .spec-table td{
  text-align:left;
  padding:14px 0;
  font-size:0.92rem;
  font-weight:400;
  color:var(--ivory);
  font-family:var(--mono);
  letter-spacing:0.005em;
}

/* RELATED */
.prod-related{
  padding:120px 0;
  background:var(--obsidian);
}
.prod-related .section-head{
  text-align:center;
  margin-bottom:60px;
}
.prod-related .section-head .eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:0.74rem;
  letter-spacing:0.32em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:24px;
  font-weight:500;
}
.prod-related .section-head h2{
  font-family:var(--sans);
  font-size:clamp(2.4rem, 4vw, 3.2rem);
  font-weight:200;
  line-height:1.1;
  color:var(--ivory);
}
.prod-related .section-head h2 .italic{
  font-family:var(--display);
  font-style:italic;
  font-weight:500;
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.related-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
@media(max-width:900px){.related-grid{grid-template-columns:1fr}}

.related-card{
  display:flex;
  flex-direction:column;
  padding:36px 32px;
  background:var(--carbon);
  border:1px solid var(--line);
  border-radius:6px;
  text-decoration:none;
  color:inherit;
  position:relative;
  transition:transform 0.4s, border-color 0.4s, box-shadow 0.4s;
  min-height:200px;
}
.related-card:hover{
  transform:translateY(-6px);
  border-color:rgba(212,162,76,0.3);
  box-shadow:0 24px 60px -20px rgba(212,162,76,0.15);
}
.related-card .related-tag{
  font-family:var(--mono);
  font-size:0.7rem;
  letter-spacing:0.28em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:18px;
  font-weight:500;
}
.related-card h4{
  font-family:var(--sans);
  font-size:1.2rem;
  font-weight:500;
  color:var(--ivory);
  margin-bottom:12px;
  letter-spacing:-0.008em;
}
.related-card p{
  font-size:0.92rem;
  line-height:1.6;
  color:var(--silver);
  font-weight:300;
  flex-grow:1;
}
.related-card .related-arrow{
  margin-top:24px;
  display:inline-flex;
  align-items:center;
  color:var(--gold);
  transition:transform 0.3s;
}
.related-card:hover .related-arrow{transform:translateX(6px)}
.related-card .related-arrow svg{width:20px; height:20px}

/* CTA card override (already exists in detail.css, but tighten) */
.cta-block .cta-card{padding:80px 60px}
@media(max-width:700px){.cta-block .cta-card{padding:50px 30px}}

/* Reveal helper (consistent with site) */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}