/* ═══════════════════════════════════════════════
   ELITE TECH-INNOVATIONS — product-details.css
═══════════════════════════════════════════════ */

/* ── PAGE HERO (same system) ── */
.page-hero { min-height:60vh; padding:0 48px 60px; display:flex; flex-direction:column; justify-content:flex-end; position:relative; z-index:2; background:var(--bg); overflow:hidden; }
.page-hero-grid { position:absolute; inset:0; background-image:linear-gradient(var(--border2) 1px,transparent 1px),linear-gradient(90deg,var(--border2) 1px,transparent 1px); background-size:64px 64px; }
.hero-nodes { position:absolute; inset:0; pointer-events:none; }
.page-hero-orb { position:absolute; right:-120px; top:50%; transform:translateY(-50%); width:700px; height:700px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; pointer-events:none; }
.page-hero-orb::before { content:''; width:500px; height:500px; border-radius:50%; border:1px solid var(--border); position:absolute; }
.page-hero-orb::after  { content:''; width:300px; height:300px; border-radius:50%; border:1px solid var(--border); position:absolute; }
.orb-core { width:120px; height:120px; border-radius:50%; background:var(--blue); opacity:0.07; animation:pulse-orb 4s ease-in-out infinite; }
@keyframes pulse-orb { 0%,100%{transform:scale(1);opacity:0.07} 50%{transform:scale(1.2);opacity:0.14} }
.hero-node { position:absolute; width:5px; height:5px; background:var(--blue); border-radius:50%; opacity:0; animation:nodeAppear 4s ease-in-out infinite; }
@keyframes nodeAppear { 0%,100%{opacity:0;transform:scale(0)} 50%{opacity:0.55;transform:scale(1)} }
.hero-conn { position:absolute; height:1px; background:linear-gradient(90deg,transparent,var(--blue),transparent); opacity:0; transform-origin:left; animation:lineFlow 3s ease-in-out infinite; }
@keyframes lineFlow { 0%,100%{opacity:0;transform:scaleX(0)} 40%,60%{opacity:0.22;transform:scaleX(1)} }
.breadcrumb { display:inline-flex; align-items:center; gap:8px; background:var(--white); border:1px solid var(--border); padding:6px 14px; border-radius:100px; font-size:12px; color:var(--muted2); font-weight:500; position:absolute; top:80px; left:48px; z-index:10; text-decoration:none; }
.breadcrumb a { color:var(--muted2); text-decoration:none; transition:color 0.2s; }
.breadcrumb a:hover { color:var(--blue); }
.breadcrumb-sep { color:var(--muted2); opacity:0.4; }
.breadcrumb span { color:var(--ink2); font-weight:600; }
.page-hero-inner { position:relative; z-index:1; max-width:820px; }
.page-hero h1 { font-family:'Cabinet Grotesk',sans-serif; font-size:clamp(40px,5.5vw,76px); font-weight:900; line-height:0.96; letter-spacing:-3px; color:var(--ink); }
.section-tag { display:inline-flex; align-items:center; gap:6px; font-size:11px; font-weight:600; color:var(--blue); letter-spacing:1.5px; text-transform:uppercase; margin-bottom:20px; }
.section-tag::before { content:''; width:20px; height:1.5px; background:var(--blue); }

/* ── PRODUCT HERO/OVERVIEW ── */
.pd-main { position:relative; z-index:2; background:rgba(255,255,255,0.94) !important; padding:90px 48px; }
.pd-overview { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:start; margin-bottom:90px; }

/* Gallery */
.pd-gallery { position:relative; }
.pd-gallery-main { border-radius:20px; overflow:hidden; aspect-ratio:4/3.2; background:var(--bg2); border:1px solid var(--border2); position:relative; }
.pd-gallery-main img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; }
.pd-gallery-main:hover img { transform:scale(1.03); }
.pd-gallery-badge { position:absolute; top:18px; left:18px; background:var(--blue); color:#fff; font-size:11px; font-weight:700; padding:6px 14px; border-radius:100px; letter-spacing:0.5px; text-transform:uppercase; }
.pd-gallery-thumbs { display:flex; gap:12px; margin-top:16px; }
.pd-thumb { width:80px; height:64px; border-radius:10px; overflow:hidden; background:var(--bg2); border:2px solid transparent; cursor:pointer; transition:all 0.2s; flex-shrink:0; }
.pd-thumb.active { border-color:var(--blue); }
.pd-thumb img { width:100%; height:100%; object-fit:cover; }

/* Info column */
.pd-info {}
.pd-cat-row { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.pd-cat-pill { font-size:11px; font-weight:700; color:var(--blue); background:var(--blue-pale); padding:6px 14px; border-radius:100px; letter-spacing:0.6px; text-transform:uppercase; }
.pd-rating { display:flex; align-items:center; gap:6px; font-size:13px; color:var(--muted); }
.pd-rating-stars { color:#F5A623; letter-spacing:1px; }

.pd-title { font-family:'Cabinet Grotesk',sans-serif; font-size:clamp(32px,3.2vw,46px); font-weight:900; letter-spacing:-1.6px; line-height:1.08; color:var(--ink); margin-bottom:18px; }
.pd-tagline { font-size:16px; color:var(--muted); line-height:1.7; margin-bottom:32px; }

.pd-stats-row { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-bottom:32px; }
.pd-stat { background:var(--bg); border:1px solid var(--border2); border-radius:14px; padding:18px 16px; }
.pd-stat-num { font-family:'Cabinet Grotesk',sans-serif; font-size:24px; font-weight:800; color:var(--blue); letter-spacing:-1px; }
.pd-stat-label { font-size:11.5px; color:var(--muted); margin-top:4px; font-weight:500; }

.pd-actions { display:flex; gap:12px; margin-bottom:32px; }
.pd-btn-primary {
  flex:1; display:flex; align-items:center; justify-content:center; gap:8px;
  background:var(--blue); color:#fff; padding:15px 28px; border:none;
  border-radius:100px; font-family:'Instrument Sans',sans-serif; font-weight:600; font-size:14.5px;
  cursor:pointer; transition:all 0.25s; text-decoration:none;
}
.pd-btn-primary:hover { background:var(--blue-light); transform:translateY(-2px); box-shadow:0 12px 32px rgba(26,59,204,0.3); }
.pd-btn-ghost {
  display:flex; align-items:center; justify-content:center; gap:8px;
  background:var(--white); color:var(--ink); padding:14px 24px; border:1.5px solid var(--border);
  border-radius:100px; font-family:'Instrument Sans',sans-serif; font-weight:500; font-size:14.5px;
  cursor:pointer; transition:all 0.25s; text-decoration:none;
}
.pd-btn-ghost:hover { border-color:var(--ink); }

.pd-highlights { display:flex; flex-direction:column; gap:12px; padding-top:24px; border-top:1px solid var(--border2); }
.pd-highlight { display:flex; align-items:flex-start; gap:12px; font-size:14px; color:var(--ink2); font-weight:500; }
.pd-highlight-icon { width:20px; height:20px; border-radius:6px; background:var(--blue-pale); flex-shrink:0; display:flex; align-items:center; justify-content:center; margin-top:1px; }
.pd-highlight-icon svg { width:11px; height:11px; }

/* ── TABS ── */
.pd-tabs-section { margin-bottom:90px; }
.pd-tabs-nav { display:flex; gap:8px; border-bottom:1px solid var(--border2); margin-bottom:40px; }
.pd-tab-btn {
  padding:14px 24px; font-family:'Instrument Sans',sans-serif; font-size:14.5px; font-weight:600;
  color:var(--muted); background:none; border:none; cursor:pointer;
  border-bottom:2px solid transparent; transition:all 0.2s; margin-bottom:-1px;
}
.pd-tab-btn.active { color:var(--blue); border-bottom-color:var(--blue); }
.pd-tab-btn:hover { color:var(--ink); }
.pd-tab-panel { display:none; }
.pd-tab-panel.active { display:block; animation:tabFadeIn 0.4s ease; }
@keyframes tabFadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

.pd-tab-panel p { font-size:15px; color:var(--muted); line-height:1.85; margin-bottom:18px; }
.pd-feature-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:24px; }
.pd-feature-card { background:var(--bg); border:1px solid var(--border2); border-radius:16px; padding:24px; transition:all 0.3s; }
.pd-feature-card:hover { border-color:var(--border); transform:translateY(-3px); box-shadow:0 12px 32px rgba(0,0,0,0.06); }
.pd-feature-icon { font-size:24px; margin-bottom:14px; }
.pd-feature-title { font-family:'Cabinet Grotesk',sans-serif; font-size:16px; font-weight:800; color:var(--ink); margin-bottom:8px; letter-spacing:-0.3px; }
.pd-feature-text { font-size:13px; color:var(--muted); line-height:1.65; }

.pd-specs-table { display:flex; flex-direction:column; gap:0; border:1px solid var(--border2); border-radius:16px; overflow:hidden; }
.pd-spec-row { display:grid; grid-template-columns:200px 1fr; padding:18px 24px; border-bottom:1px solid var(--border2); }
.pd-spec-row:last-child { border-bottom:none; }
.pd-spec-row:nth-child(odd) { background:var(--bg); }
.pd-spec-label { font-size:13px; font-weight:700; color:var(--ink2); }
.pd-spec-value { font-size:13.5px; color:var(--muted); }

.pd-faq-item { border-bottom:1px solid var(--border2); padding:20px 0; }
.pd-faq-q { display:flex; align-items:center; justify-content:space-between; cursor:pointer; font-family:'Cabinet Grotesk',sans-serif; font-size:15.5px; font-weight:700; color:var(--ink); }
.pd-faq-q svg { transition:transform 0.3s; flex-shrink:0; }
.pd-faq-item.open .pd-faq-q svg { transform:rotate(45deg); }
.pd-faq-a { font-size:14px; color:var(--muted); line-height:1.7; max-height:0; overflow:hidden; transition:max-height 0.3s ease, padding-top 0.3s ease; }
.pd-faq-item.open .pd-faq-a { max-height:200px; padding-top:14px; }

/* ── RELATED PRODUCTS ── */
.pd-related { margin-top:0; }
.pd-related-h { font-family:'Cabinet Grotesk',sans-serif; font-size:clamp(26px,2.6vw,38px); font-weight:900; letter-spacing:-1.4px; color:var(--ink); margin-bottom:36px; }
.pd-related-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.pd-related-card {
  background:var(--white); border:1px solid var(--border2); border-radius:18px; overflow:hidden;
  transition:all 0.35s; text-decoration:none; display:block; color:inherit;
}
.pd-related-card:hover { border-color:var(--border); transform:translateY(-5px); box-shadow:0 20px 48px rgba(0,0,0,0.08); }
.pd-related-img { height:170px; overflow:hidden; background:var(--bg2); }
.pd-related-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; }
.pd-related-card:hover .pd-related-img img { transform:scale(1.06); }
.pd-related-body { padding:20px; }
.pd-related-cat { font-size:10.5px; font-weight:700; color:var(--blue); text-transform:uppercase; letter-spacing:0.6px; margin-bottom:6px; }
.pd-related-title { font-family:'Cabinet Grotesk',sans-serif; font-size:15.5px; font-weight:800; color:var(--ink); line-height:1.3; }

/* ── CTA ── */
.pd-cta { position:relative; z-index:2; background:rgba(245,244,240,0.65) !important; padding:80px 48px; }
.pd-cta-inner { background:var(--ink); border-radius:24px; padding:64px; display:grid; grid-template-columns:1fr auto; gap:48px; align-items:center; position:relative; overflow:hidden; }
.pd-cta-grid { position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px); background-size:48px 48px; }
.pd-cta-glow { position:absolute; right:64px; top:50%; transform:translateY(-50%); width:280px; height:280px; border-radius:50%; background:radial-gradient(circle,rgba(26,59,204,0.3),transparent 70%); pointer-events:none; }
.pd-cta-text { position:relative; z-index:1; }
.pd-cta-tag { font-size:11px; color:rgba(255,255,255,0.35); font-weight:600; text-transform:uppercase; letter-spacing:1.5px; margin-bottom:16px; }
.pd-cta-h { font-family:'Cabinet Grotesk',sans-serif; font-size:clamp(28px,2.8vw,42px); font-weight:900; color:#fff; letter-spacing:-1.5px; line-height:1.05; margin-bottom:12px; }
.pd-cta-sub { font-size:15px; color:rgba(255,255,255,0.45); line-height:1.6; }
.pd-cta-btns { position:relative; z-index:1; display:flex; flex-direction:column; gap:12px; flex-shrink:0; }
.btn-blue { background:var(--blue); color:#fff; padding:14px 28px; border:none; font-family:'Instrument Sans',sans-serif; font-weight:600; font-size:14px; border-radius:100px; cursor:pointer; transition:all 0.25s; white-space:nowrap; text-decoration:none; text-align:center; display:block; }
.btn-blue:hover { background:var(--blue-light); transform:translateY(-2px); box-shadow:0 12px 32px rgba(26,59,204,0.4); }
.btn-ghost-w { background:rgba(255,255,255,0.07); color:rgba(255,255,255,0.7); padding:13px 28px; border:1.5px solid rgba(255,255,255,0.1); font-family:'Instrument Sans',sans-serif; font-weight:500; font-size:14px; border-radius:100px; cursor:pointer; transition:all 0.25s; white-space:nowrap; text-align:center; text-decoration:none; display:block; }
.btn-ghost-w:hover { border-color:rgba(255,255,255,0.35); color:#fff; }

/* Reveal */
.reveal { opacity:0; transform:translateY(28px); transition:opacity 0.75s ease,transform 0.75s ease; }
.reveal.in { opacity:1; transform:translateY(0); }

/* Loading / not-found state */
.pd-not-found { text-align:center; padding:140px 48px; }
.pd-not-found h2 { font-family:'Cabinet Grotesk',sans-serif; font-size:32px; font-weight:900; color:var(--ink); margin-bottom:16px; }
.pd-not-found p { font-size:15px; color:var(--muted); margin-bottom:32px; }

@media (max-width: 1024px) {
  .pd-main { padding:64px 32px; }
  .pd-overview { grid-template-columns:1fr; gap:44px; }
  .pd-feature-grid { grid-template-columns:1fr; }
  .pd-related-grid { grid-template-columns:repeat(2,1fr); }
  .pd-spec-row { grid-template-columns:140px 1fr; }
  .pd-cta-inner { padding:48px; gap:32px; }
  .breadcrumb { left: 32px; }
}
@media (max-width: 860px) {
  .page-hero { padding:130px 20px 48px; min-height:auto; justify-content:flex-start; }
  .breadcrumb { left: 20px; }
  .page-hero-orb { display:none; }
  .pd-main { padding:48px 20px; }
  .pd-actions { flex-direction:column; }
  .pd-stats-row { grid-template-columns:repeat(3,1fr); gap:10px; }
  .pd-tabs-nav { overflow-x:auto; -webkit-overflow-scrolling:touch; flex-wrap:nowrap; }
  .pd-tab-btn { white-space:nowrap; padding:12px 18px; }
  .pd-related-grid { grid-template-columns:1fr; }
  .pd-cta { padding:56px 20px; }
  .pd-cta-inner { grid-template-columns:1fr; padding:36px 24px; text-align:left; border-radius:20px; }
  .pd-cta-btns { flex-direction:row; flex-wrap:wrap; }
  .pd-cta-glow { display:none; }
}
@media (max-width: 480px) {
  .breadcrumb { left: 16px; top: 76px; font-size: 11px; padding: 5px 12px; }
  .pd-stats-row { grid-template-columns:1fr 1fr; }
  .pd-gallery-thumbs { overflow-x:auto; }
  .pd-cta-btns { flex-direction:column; }
  .pd-spec-row { grid-template-columns:1fr; gap:4px; }
}