/* ══════════════════════════════════════════════════════════
   BIG ROCK EQUIPMENT — IMAGE CAROUSEL, LIGHTBOX & SPEC TABS
   Shared by featured.html, parts pages and news.html.
   Markup is generated per page; behaviour lives in _gallery.js
   ══════════════════════════════════════════════════════════ */

/* ── Carousel ─────────────────────────────────────────────── */
.br-carousel{
  max-width:100%; min-width:0;
  position:relative;
  background:#0f1b29;
  border:1px solid #1d2c3d;
  border-radius:4px;
  overflow:hidden;
  user-select:none;
  -webkit-user-select:none;
}
.br-car-stage{ position:relative; aspect-ratio:4/3; overflow:hidden; }
.br-car-track{
  display:flex; height:100%;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);
  will-change:transform;
}
.br-car-slide{
  flex:0 0 100%; height:100%; margin:0; position:relative;
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(ellipse at center,#1c2e43 0%,#0f1b29 75%);
  cursor:zoom-in;
}
.br-car-slide.is-sheet{ background:#fff; }
.br-car-slide img{
  width:100%; height:100%; object-fit:contain; display:block;
  pointer-events:none;
}
.br-car-cap{
  position:absolute; left:0; right:0; bottom:0;
  padding:28px 16px 12px;
  background:linear-gradient(to top,rgba(10,20,32,.88),rgba(10,20,32,0));
  font-family:var(--mono); font-size:11px; letter-spacing:1px;
  color:#e6eef7; text-transform:uppercase;
  display:flex; align-items:center; gap:10px;
  pointer-events:none;
}
.br-car-badge{
  font-size:9px; letter-spacing:1.5px; padding:3px 7px;
  background:var(--blue); color:#fff; border-radius:2px; flex-shrink:0;
}
.br-car-count{
  position:absolute; top:12px; right:12px; z-index:2;
  font-family:var(--mono); font-size:11px; letter-spacing:1px; color:#fff;
  background:rgba(10,20,32,.7); border:1px solid rgba(255,255,255,.15);
  padding:4px 9px; border-radius:2px; pointer-events:none;
}
.br-car-zoom{
  position:absolute; top:12px; left:12px; z-index:2;
  font-family:var(--mono); font-size:10px; letter-spacing:1px; color:#fff;
  background:rgba(10,20,32,.7); border:1px solid rgba(255,255,255,.15);
  padding:4px 9px; border-radius:2px; pointer-events:none;
  display:flex; align-items:center; gap:6px; opacity:.85;
}
.br-car-btn{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:42px; height:42px; border-radius:2px;
  background:rgba(10,20,32,.72); border:1px solid rgba(255,255,255,.2);
  color:#fff; font-size:24px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:background .15s ease,border-color .15s ease;
}
.br-car-btn:hover{ background:var(--blue); border-color:var(--blue); }
.br-car-btn:focus-visible{ outline:2px solid #fff; outline-offset:2px; }
.br-car-prev{ left:10px; } .br-car-next{ right:10px; }
.br-carousel.is-single .br-car-btn,
.br-carousel.is-single .br-car-thumbs{ display:none; }

/* thumbnails */
.br-car-thumbs{
  display:flex; gap:6px; padding:8px; overflow-x:auto;
  background:#0b1520; scroll-snap-type:x mandatory;
  scrollbar-width:thin; scrollbar-color:#2e4560 transparent;
}
.br-car-thumb{
  flex:0 0 auto; width:76px; height:56px; padding:0; border:2px solid transparent;
  background:#1a2a3c; cursor:pointer; opacity:.55; scroll-snap-align:start;
  transition:opacity .15s ease,border-color .15s ease; border-radius:2px; overflow:hidden;
}
.br-car-thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
.br-car-thumb:hover{ opacity:.9; }
.br-car-thumb.active{ opacity:1; border-color:var(--blue); }

/* ── Lightbox ─────────────────────────────────────────────── */
.br-lb{
  position:fixed; inset:0; z-index:9999; display:none;
  background:rgba(6,12,20,.95);
  align-items:center; justify-content:center; flex-direction:column;
}
.br-lb.open{ display:flex; }
.br-lb-img{
  max-width:94vw; max-height:82vh; object-fit:contain; display:block;
  box-shadow:0 10px 50px rgba(0,0,0,.5);
}
.br-lb-cap{
  margin-top:14px; font-family:var(--mono); font-size:12px; letter-spacing:1px;
  color:#c9d6e4; text-transform:uppercase; text-align:center; padding:0 60px;
}
.br-lb-btn{
  position:absolute; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.2);
  color:#fff; cursor:pointer; display:flex; align-items:center; justify-content:center;
  width:48px; height:48px; font-size:28px; border-radius:2px;
  transition:background .15s ease;
}
.br-lb-btn:hover{ background:var(--blue); border-color:var(--blue); }
.br-lb-close{ top:16px; right:16px; font-size:20px; }
.br-lb-prev{ left:16px; top:50%; transform:translateY(-50%); }
.br-lb-next{ right:16px; top:50%; transform:translateY(-50%); }
.br-lb-count{
  position:absolute; top:26px; left:50%; transform:translateX(-50%);
  font-family:var(--mono); font-size:12px; letter-spacing:1px; color:#9fb2c6;
}

/* ── Spec tables with tabs ───────────────────────────────── */
.spec-block{ margin-top:2.25rem; }
.spec-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:16px; flex-wrap:wrap;
  border-bottom:1px solid rgba(0,0,0,.1); margin-bottom:0;
}
.spec-title{
  font-family:var(--cond); font-size:13px; font-weight:700; letter-spacing:1.5px;
  text-transform:uppercase; color:var(--blue); padding-bottom:10px;
}
.spec-tabs{ display:flex; gap:2px; flex-wrap:wrap; }
.spec-tab{
  font-family:var(--cond); font-size:12px; font-weight:700; letter-spacing:1px; text-transform:uppercase;
  background:transparent; color:var(--slate); border:1px solid transparent; border-bottom:none;
  padding:8px 14px; cursor:pointer; border-radius:2px 2px 0 0; margin-bottom:-1px;
}
.spec-tab:hover{ color:var(--dark); }
.spec-tab.active{ background:#fff; color:var(--blue); border-color:rgba(0,0,0,.1); border-bottom:1px solid #fff; }
.spec-panel{ display:none; }
.spec-panel.active{ display:block; }
.spec-note{ font-size:12.5px; color:var(--slate); margin:14px 0 10px; line-height:1.6; }
.spec-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; border:1px solid var(--light); background:#fff; }
.spec-table{ width:100%; border-collapse:collapse; min-width:620px; }
.spec-table th{
  text-align:left; font-family:var(--cond); font-size:11.5px; font-weight:700; letter-spacing:1px;
  text-transform:uppercase; color:var(--slate); padding:10px 12px; background:#f5f8fb;
  border-bottom:2px solid rgba(0,0,0,.12); white-space:nowrap; position:sticky; top:0;
}
.spec-table th small{ display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.5px; color:var(--fog); text-transform:none; font-weight:400; }
.spec-table td{
  font-family:var(--mono); font-size:12.5px; color:var(--slate);
  padding:8px 12px; border-bottom:1px solid rgba(0,0,0,.06); white-space:nowrap;
}
.spec-table td:first-child{ color:var(--dark); font-weight:700; }
.spec-table tbody tr:hover td{ background:#f0f6fc; }
.spec-table tbody tr:last-child td{ border-bottom:none; }
.spec-foot{ font-size:11px; color:var(--fog); margin-top:8px; }

@media(max-width:640px){
  .br-car-btn{ width:36px; height:36px; font-size:20px; }
  .br-car-thumb{ width:60px; height:44px; }
  .br-lb-prev,.br-lb-next{ top:auto; bottom:18px; transform:none; }
  .br-lb-prev{ left:calc(50% - 60px); } .br-lb-next{ right:calc(50% - 60px); }
  .br-lb-img{ max-height:72vh; }
  .br-lb-cap{ padding:0 16px; margin-bottom:70px; }
}

/* ── Parts photo grid ─────────────────────────────────────── */
.pg-intro{ display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:2rem; }
.pg-intro p{ color:var(--slate);font-size:14px;line-height:1.7;max-width:560px;margin:0; }
.pg-spec-link{ display:inline-flex;align-items:center;gap:8px;font-family:var(--cond);font-size:12.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue);border:1px solid var(--blue);padding:9px 16px;background:#fff;transition:all .15s ease; }
.pg-spec-link:hover{ background:var(--blue);color:#fff; }
.pg-catalog{ display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:0;background:#fff;border:1px solid var(--light);border-left:3px solid var(--blue);margin-bottom:2.5rem;cursor:zoom-in; }
.pg-catalog-img{ background:#fff;padding:14px;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--light); }
.pg-catalog-img img{ width:100%;height:auto;max-height:340px;object-fit:contain;display:block; }
.pg-catalog-body{ padding:26px 28px;display:flex;flex-direction:column;justify-content:center; }
.pg-catalog-tag{ font-family:var(--mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue);margin-bottom:8px; }
.pg-catalog-title{ font-family:var(--cond);font-size:24px;font-weight:700;text-transform:uppercase;color:var(--dark);line-height:1.15;margin-bottom:10px; }
.pg-catalog-body p{ color:var(--slate);font-size:13.5px;line-height:1.7;margin-bottom:16px; }
.pg-catalog-btn{ align-self:flex-start;font-family:var(--cond);font-size:12.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:#fff;background:var(--blue);padding:10px 18px;border:none;cursor:pointer; }
.pg-group{ margin-bottom:2.25rem; }
.pg-group:last-child{ margin-bottom:0; }
.pg-group-head{ display:flex;align-items:baseline;gap:12px;border-bottom:1px solid rgba(0,0,0,.1);padding-bottom:8px;margin-bottom:16px; }
.pg-group-title{ font-family:var(--cond);font-size:16px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--dark); }
.pg-group-count{ font-family:var(--mono);font-size:10.5px;color:var(--fog);letter-spacing:1px; }
.pg-grid{ display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px; }
.pg-tile{ display:flex;flex-direction:column;background:#fff;border:1px solid var(--light);border-radius:2px;overflow:hidden;cursor:zoom-in;padding:0;text-align:left;font:inherit;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease; }
.pg-tile:hover{ transform:translateY(-2px);box-shadow:0 8px 22px rgba(13,27,42,.10);border-color:#c9d8e8; }
.pg-tile:focus-visible{ outline:2px solid var(--blue);outline-offset:2px; }
.pg-tile-img{ aspect-ratio:4/3;background:#0f1b29;overflow:hidden; }
.pg-tile-img img{ width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease; }
.pg-tile:hover .pg-tile-img img{ transform:scale(1.05); }
.pg-tile-cap{ padding:10px 12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.4px;color:var(--dark);line-height:1.4;border-top:2px solid var(--blue); }
@media(max-width:760px){
  .pg-catalog{ grid-template-columns:minmax(0,1fr); }
  .pg-catalog-img{ border-right:none;border-bottom:1px solid var(--light); }
}
@media(max-width:480px){ .pg-grid{ grid-template-columns:repeat(2,minmax(0,1fr));gap:10px; } .pg-tile-cap{ font-size:10.5px;padding:8px; } }

/* ── Parts mosaic ─────────────────────────────────────────── */
.ms-grid{ display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:170px;grid-auto-flow:dense;gap:10px; }
.ms-tile{ position:relative;overflow:hidden;border:0;padding:0;margin:0;background:#0f1b29;cursor:zoom-in;border-radius:2px;display:block;font:inherit;text-align:left; }
.ms-tile img{ width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease; }
.ms-tile:hover img{ transform:scale(1.05); }
.ms-tile:focus-visible{ outline:3px solid var(--blue);outline-offset:2px; }
.ms-big{ grid-column:span 2;grid-row:span 2; }
.ms-wide{ grid-column:span 2; }
.ms-tall{ grid-row:span 2; }
.ms-sheet{ background:#fff;border:1px solid var(--light); }
.ms-sheet img{ object-fit:contain;padding:10px; }
.ms-cap{ position:absolute;left:0;right:0;bottom:0;padding:22px 12px 9px;background:linear-gradient(to top,rgba(8,16,26,.88),rgba(8,16,26,0));color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.4px;line-height:1.35;opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease;pointer-events:none; }
.ms-cap em{ display:block;font-style:normal;font-size:9px;letter-spacing:1.4px;text-transform:uppercase;color:#8fc0ee;margin-bottom:2px; }
.ms-tile:hover .ms-cap,.ms-tile:focus-visible .ms-cap,.ms-sheet .ms-cap{ opacity:1;transform:none; }
@media(hover:none){ .ms-cap{ opacity:1;transform:none; } }
@media(max-width:900px){ .ms-grid{ grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:150px; } }
@media(max-width:560px){ .ms-grid{ grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:130px;gap:6px; } .ms-cap{ font-size:10px;padding:16px 8px 6px; } }

/* ── Parts carousel (same component as New Equipment) ─────── */
.pg-carousel{ max-width:920px;margin:0 auto; }
.pg-carousel .br-car-badge{ font-size:0; }
.pg-carousel .br-car-badge::after{ content:"Parts Catalog";font-size:9px; }

/* ── Parts pages: split layout (text left · carousel right) ── */
.pg-split{ display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start; }
.pg-text > p:first-child{ font-size:16px !important;line-height:1.8 !important;color:var(--dark) !important;margin-top:0;padding-left:16px;border-left:3px solid var(--blue); }
.pg-text p{ max-width:none !important; }
.pg-text > div{ margin-bottom:2rem !important; }
.pg-text .parts-info-grid{ gap:16px !important; }
.pg-text .parts-info-grid > div{ padding:20px 20px !important; }
.pg-media-sticky{ position:sticky;top:96px; }
.pg-media-head{ display:flex;justify-content:space-between;align-items:center;margin-bottom:12px; }
.pg-media .pg-spec-link{ margin-top:16px;width:100%;justify-content:center; }
.pg-media .br-car-stage{ aspect-ratio:4/3; }
.pg-legal{ margin-top:2.5rem; }
.pg-legal p{ max-width:none !important; }
@media(max-width:960px){
  .pg-split{ grid-template-columns:minmax(0,1fr);gap:32px; }
  .pg-media{ order:-1; }
  .pg-media-sticky{ position:static; }
}
@media(max-width:640px){ .pg-text .parts-info-grid{ grid-template-columns:1fr !important; } }
.pg-media .pg-carousel{ max-width:none;margin:0; }