/* ============================================================
   QBD POWER — GALLERY PAGE
   Uniform grid · 4:3 aspect ratio · clean corporate look
============================================================ */

/* ---------- HERO — matches page-hero pattern with reduced opacity ---------- */
.gallery-hero{--hero-bg:url("../assets/img/hero/hero-02.webp")}
.gallery-hero::before{
  background:
    linear-gradient(
      100deg,
      rgba(20,4,10,.88) 0%,
      rgba(30,6,14,.72) 42%,
      rgba(46,4,16,.48) 78%,
      rgba(20,4,10,.38) 100%
    ),
    var(--hero-bg) center/cover;
}

.gallery-section{padding-top:86px}
.gallery-intro{margin-bottom:34px}

/* ---------- FILTER BAR ---------- */
.gallery-filters{
  position:sticky;
  top:76px;
  z-index:50;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:12px;
  margin-bottom:30px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-sm);
}
.gallery-filter{
  padding:11px 15px;
  border:1px solid transparent;
  border-radius:3px;
  color:var(--dark-gray);
  font:700 .75rem 'Montserrat',sans-serif;
  letter-spacing:.15em;
  text-transform:uppercase;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.gallery-filter:hover{border-color:rgba(125,16,48,.3);transform:translateY(-1px)}
.gallery-filter.is-active{
  background:var(--grad-brand-dark);
  color:var(--white);
  border-color:transparent;
  box-shadow:var(--shadow-sm);
}

/* ---------- UNIFORM GRID (4:3 aspect ratio) ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  align-items:start;
}

/* ---------- GALLERY CARD ---------- */
.gallery-card{
  position:relative;
  aspect-ratio:4 / 3;
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--charcoal);
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.gallery-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
}

.gallery-card__media{
  position:absolute;
  inset:0;
  overflow:hidden;
}
.gallery-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(20,3,8,.85) 100%);
  pointer-events:none;
  transition:opacity .35s var(--ease);
}
.gallery-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .7s var(--ease);
}
.gallery-card:hover img{transform:scale(1.05)}

/* ---------- CARD OVERLAY ---------- */
.gallery-card__overlay{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:22px 18px 16px;
  color:var(--white);
  pointer-events:none;
}
.gallery-card__category{
  display:block;
  font:700 .75rem 'Montserrat',sans-serif;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--gold-soft);
}
.gallery-card__caption{
  display:block;
  margin-top:5px;
  font:700 .9375rem/1.5 'Montserrat',sans-serif;
}
.gallery-card__project{
  display:block;
  margin-top:4px;
  color:rgba(255,255,255,.68);
  font-size:.8125rem;
  line-height:1.5;
}

/* ---------- EMPTY STATE ---------- */
.gallery-empty{
  padding:50px 24px;
  text-align:center;
  border:1px dashed var(--line);
  background:var(--off-white);
  border-radius:var(--radius);
  color:var(--dark-gray);
}
.gallery-empty strong{display:block;font:800 1rem 'Montserrat',sans-serif;color:var(--charcoal)}
.gallery-empty span{display:block;margin-top:8px;font-size:.875rem;line-height:1.5}
.gallery-empty code{font-family:monospace;color:var(--crimson)}

/* ---------- LOAD MORE ---------- */
.gallery-load-wrap{display:flex;justify-content:center;margin-top:34px}

/* ---------- BRIDGE / CTA ---------- */
.gallery-bridge{padding-top:76px;padding-bottom:76px}
.gallery-bridge__inner,.gallery-cta__inner{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:40px;
}
.gallery-bridge .section-title,.gallery-cta .section-title{max-width:720px}
.gallery-bridge .section-subtitle,.gallery-cta .section-subtitle{max-width:650px}

/* ---------- GALLERY CTA — Deep Maroon ---------- */
.gallery-cta{
  padding-top:82px;
  padding-bottom:82px;
  background:var(--grad-brand-dark);
  color:var(--white);
}
.gallery-cta .eyebrow{color:var(--gold-soft)}
.gallery-cta .section-title{color:var(--white)}
.gallery-cta .section-subtitle{color:rgba(255,255,255,.72)}

/* ---------- LIGHTBOX ---------- */
.gallery-lightbox{
  position:fixed;
  inset:0;
  z-index:1200;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px;
  background:rgba(10,2,6,.95);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.gallery-lightbox.is-open{opacity:1;visibility:visible;pointer-events:auto}
.gallery-lightbox__figure{
  position:relative;
  width:min(1180px,100%);
  height:min(86vh,900px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}
.gallery-lightbox__image{
  max-width:100%;
  max-height:calc(100% - 74px);
  width:auto;
  height:auto;
  object-fit:contain;
  border-radius:6px;
  box-shadow:var(--shadow-lg);
}
.gallery-lightbox__caption{width:100%;margin-top:14px;text-align:center;color:var(--white)}
.gallery-lightbox__caption strong{display:block;font:700 .9375rem/1.5 'Montserrat',sans-serif}
.gallery-lightbox__caption span{display:block;margin-top:4px;color:rgba(255,255,255,.65);font-size:.8125rem;line-height:1.5}
.gallery-lightbox__close,.gallery-lightbox__prev,.gallery-lightbox__next{
  position:absolute;
  z-index:2;
  width:46px;
  height:46px;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.08);
  color:var(--white);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.gallery-lightbox__close{top:22px;right:22px;font-size:1.5rem}
.gallery-lightbox__prev{left:22px;top:50%;transform:translateY(-50%);font-size:1.375rem}
.gallery-lightbox__next{right:22px;top:50%;transform:translateY(-50%);font-size:1.375rem}
.gallery-lightbox__close:hover,.gallery-lightbox__prev:hover,.gallery-lightbox__next:hover{
  background:var(--gold);
  border-color:var(--gold);
  color:#241a00;
}
body.gallery-lightbox-open{overflow:hidden}

/* ============================================================
   RESPONSIVE
============================================================ */
@media(max-width:900px){
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .gallery-filters{top:68px}
  .gallery-bridge__inner,.gallery-cta__inner{align-items:flex-start;flex-direction:column}
}

@media(max-width:560px){
  .gallery-section{padding-top:64px}
  .gallery-grid{grid-template-columns:1fr;gap:14px}
  .gallery-filters{top:68px;padding:9px}
  .gallery-filter{flex:1 1 calc(50% - 8px);text-align:center;padding:10px 8px;font-size:.75rem}
  .gallery-bridge,.gallery-cta{padding-top:62px;padding-bottom:62px}
  .gallery-lightbox{padding:14px}
  .gallery-lightbox__figure{height:82vh}
  .gallery-lightbox__prev,.gallery-lightbox__next{top:auto;bottom:66px;transform:none}
  .gallery-lightbox__prev{left:18px}
  .gallery-lightbox__next{right:18px}
  .gallery-lightbox__close{top:14px;right:14px}
}


/* ============================================================
   SMOOTH FILTER TRANSITION — Fade-in animation on filter change
============================================================ */
.gallery-card{
  opacity:0;
  transform:translateY(12px);
  animation:galleryCardIn .45s cubic-bezier(.2,.8,.24,1) forwards;
}

/* Stagger — each card fades in with slight delay */
.gallery-card:nth-child(1){animation-delay:.00s}
.gallery-card:nth-child(2){animation-delay:.03s}
.gallery-card:nth-child(3){animation-delay:.06s}
.gallery-card:nth-child(4){animation-delay:.09s}
.gallery-card:nth-child(5){animation-delay:.12s}
.gallery-card:nth-child(6){animation-delay:.15s}
.gallery-card:nth-child(7){animation-delay:.18s}
.gallery-card:nth-child(8){animation-delay:.21s}
.gallery-card:nth-child(9){animation-delay:.24s}
.gallery-card:nth-child(10){animation-delay:.27s}
.gallery-card:nth-child(11){animation-delay:.30s}
.gallery-card:nth-child(12){animation-delay:.33s}

@keyframes galleryCardIn{
  from{
    opacity:0;
    transform:translateY(12px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* Smooth filter button click state */
.gallery-filter{
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);
}

.gallery-filter:active{
  transform:scale(.96);
}

/* Prevent jarring reflow while images load */
.gallery-grid{
  transition:opacity .25s var(--ease);
}