/* ==========================================================================
   SKK CONSULTANTS — portfolio.css
   ========================================================================== */

/* Filter bar */
.filters {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: var(--c-offwhite);
  border-bottom: 1px solid var(--c-rule);
}

.filters__row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  overflow-x: auto;
  padding-block: var(--sp-4);
  scrollbar-width: thin;
}

.filter {
  flex: none;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--c-rule);
  background: var(--c-white);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-slate);
  white-space: nowrap;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.filter:hover { border-color: var(--c-charcoal); }
.filter[aria-pressed="true"] {
  background: var(--c-brand);
  border-color: var(--c-brand);
  color: var(--c-white);
}

.filters__count {
  margin-left: auto;
  flex: none;
  padding-left: var(--sp-4);
  font-size: var(--t-sm);
  color: var(--c-ink-faint);
}
@media (max-width: 720px) { .filters__count { display: none; } }

/* Masonry gallery — CSS columns keep the varied aspect ratios intact */
.gallery {
  column-count: 4;
  column-gap: var(--sp-3);
}
@media (max-width: 1200px) { .gallery { column-count: 3; } }
@media (max-width: 820px)  { .gallery { column-count: 2; } }
@media (max-width: 480px)  { .gallery { column-count: 1; } }

.shot {
  position: relative;
  display: block;
  width: 100%;
  break-inside: avoid;
  margin-bottom: var(--sp-3);
  overflow: hidden;
  background: var(--c-concrete);
  text-align: left;
  padding: 0;
  cursor: zoom-in;
}

.shot img {
  width: 100%;
  display: block;
  transition: transform 0.7s var(--ease);
}

.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 12, 12, 0.9) 0%, rgba(12, 12, 12, 0.25) 45%, rgba(12, 12, 12, 0) 75%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.shot__body {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: var(--sp-4);
  color: var(--c-white);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.shot__cat {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-sand);
}
.shot__title {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--f-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.2;
}

.shot__zoom {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 2;
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  background: var(--c-brand);
  color: var(--c-white);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.shot__zoom .icon { width: 16px; height: 16px; }

.shot:hover img,
.shot:focus-visible img { transform: scale(1.05); }
.shot:hover::after,
.shot:focus-visible::after { opacity: 1; }
.shot:hover .shot__body,
.shot:focus-visible .shot__body { opacity: 1; transform: none; }
.shot:hover .shot__zoom,
.shot:focus-visible .shot__zoom { opacity: 1; transform: none; }

@media (hover: none) {
  .shot::after { opacity: 1; }
  .shot__body { opacity: 1; transform: none; }
}

.shot[hidden] { display: none; }

/* Empty state */
.gallery-empty {
  padding: var(--sp-8) 0;
  text-align: center;
  color: var(--c-ink-muted);
}

/* Before / after comparison */
.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}
@media (max-width: 900px) { .ba-grid { grid-template-columns: 1fr; } }

.ba {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--c-charcoal);
  touch-action: pan-y;
  user-select: none;
}

.ba img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba__after {
  clip-path: inset(0 0 0 var(--pos, 50%));
}

.ba__tag {
  position: absolute;
  top: var(--sp-4);
  z-index: 3;
  padding: 0.3rem 0.7rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(12, 12, 12, 0.72);
  color: var(--c-white);
  pointer-events: none;
}
.ba__tag--before { left: var(--sp-4); }
.ba__tag--after { right: var(--sp-4); background: var(--c-brand); }

.ba__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos, 50%);
  z-index: 4;
  width: 2px;
  background: var(--c-white);
  transform: translateX(-1px);
  pointer-events: none;
}
.ba__handle::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 44px; height: 44px;
  transform: translate(-50%, -50%);
  border: 2px solid var(--c-white);
  background: rgba(12, 12, 12, 0.45);
}

.ba__range {
  position: absolute;
  inset: 0;
  z-index: 5;
  width: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}
.ba__range:focus-visible + .ba__handle::after { border-color: var(--c-brand); background: var(--c-brand); }

.ba-caption {
  margin-top: var(--sp-4);
}
.ba-caption h3 { font-size: 1.1875rem; }
.ba-caption p {
  margin-top: 0.4rem;
  font-size: 0.9375rem;
  color: var(--c-ink-muted);
}

/* Category summary strip above the gallery */
.cat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
  margin-bottom: var(--sp-7);
}
.cat-strip div {
  background: var(--c-white);
  padding: var(--sp-5);
}
.cat-strip b {
  display: block;
  font-family: var(--f-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-charcoal);
}
.cat-strip span {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--t-sm);
  color: var(--c-ink-muted);
}
@media (max-width: 780px) { .cat-strip { grid-template-columns: repeat(2, 1fr); } }