/* ==================================================================
   MEGA-SCOPES :: the evidence gallery
   A staggered grid that reveals on scroll, and a full-screen viewer
   that grows out of the thumbnail you clicked (FLIP) rather than
   fading in from nowhere.
   ================================================================== */

/* ---------------- the grid ---------------- */
.gal{columns:3 300px;column-gap:14px;margin-top:8px}
.gal figure{break-inside:avoid;margin:0 0 14px;position:relative;border-radius:10px;
  overflow:hidden;border:1px solid var(--line);background:var(--deep);
  opacity:0;transform:translateY(34px) scale(.985);
  transition:opacity .7s ease,transform .7s var(--smooth),border-color .25s}
.gal figure.in{opacity:1;transform:none}
.gal button.shot{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;
  color:inherit;position:relative}
.gal img{width:100%;display:block;transition:transform .8s var(--smooth),filter .5s;
  filter:saturate(.92) contrast(1.02)}
.gal figure:hover{border-color:var(--cyan)}
.gal figure:hover img{transform:scale(1.045);filter:saturate(1.12) contrast(1.05)}
.gal figcaption{position:absolute;inset:auto 0 0;padding:34px 14px 12px;text-align:left;
  background:linear-gradient(transparent,rgba(3,5,11,.92));
  opacity:0;transform:translateY(8px);transition:.3s;pointer-events:none}
.gal figure:hover figcaption,.gal button.shot:focus-visible + figcaption{opacity:1;transform:none}
.gal figcaption b{display:block;font-family:var(--disp);font-size:18px;font-weight:400;
  text-transform:uppercase;letter-spacing:.02em}
.gal figcaption span{font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dim)}
.gal .zoom{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;
  background:rgba(3,5,11,.6);border:1px solid rgba(234,242,247,.25);display:grid;
  place-items:center;opacity:0;transition:.25s}
.gal figure:hover .zoom{opacity:1}
.gal .zoom svg{width:14px;height:14px;fill:none;stroke:#fff;stroke-width:2}

/* ---------------- the viewer ---------------- */
.viewer{position:fixed;inset:0;z-index:200;display:none;background:rgba(3,5,11,.97);
  backdrop-filter:blur(6px)}
.viewer.open{display:block}
.viewer .stage{position:absolute;inset:0 0 108px;display:grid;place-items:center;
  /* definite tracks: with an auto row the image max-height:100% resolves to nothing
     and portrait frames overflow under the filmstrip */
  grid-template:minmax(0,1fr)/minmax(0,1fr);
  padding:64px clamp(12px,4vw,90px) 8px}
.viewer .stage img{max-width:100%;max-height:100%;width:auto;height:auto;min-height:0;object-fit:contain;border-radius:6px;
  box-shadow:0 30px 90px rgba(0,0,0,.8);will-change:transform,opacity}
.viewer.zooming .stage img{box-shadow:none}

/* the image that flies from the thumbnail to the stage */
.flier{position:fixed;z-index:210;object-fit:cover;border-radius:10px;pointer-events:none;
  will-change:transform,opacity}

.viewer .vtop{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  gap:14px;padding:16px clamp(12px,4vw,30px);z-index:3}
.viewer .vcount{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--dim)}
.viewer .vmeta{flex:1;min-width:0}
.viewer .vmeta b{display:block;font-family:var(--disp);font-size:clamp(17px,2.4vw,26px);
  font-weight:400;text-transform:uppercase;letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.viewer .vmeta span{font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dim)}
.vbtn{width:44px;height:44px;border-radius:50%;flex:none;cursor:pointer;
  background:rgba(12,20,34,.8);border:1px solid var(--line);color:var(--bone);
  display:grid;place-items:center;transition:.18s}
.vbtn:hover{border-color:var(--cyan);color:var(--cyan);transform:scale(1.07)}
.vbtn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}
.viewer .nav{position:absolute;top:50%;translate:0 -50%;z-index:3;width:52px;height:52px}
.viewer .nav.prev{left:clamp(6px,2vw,22px)}
.viewer .nav.next{right:clamp(6px,2vw,22px)}

/* filmstrip */
.strip2{position:absolute;left:0;right:0;bottom:0;height:100px;display:flex;gap:8px;
  align-items:center;padding:0 clamp(12px,4vw,30px);overflow-x:auto;
  background:linear-gradient(transparent,rgba(3,5,11,.9) 40%);scrollbar-width:thin}
.strip2 button{flex:none;width:104px;aspect-ratio:3/2;border-radius:6px;overflow:hidden;
  border:1px solid var(--line);background:none;padding:0;cursor:pointer;opacity:.45;
  transition:.2s}
.strip2 button img{width:100%;height:100%;object-fit:cover}
.strip2 button:hover{opacity:.85}
.strip2 button[aria-current="true"]{opacity:1;border-color:var(--cyan);
  box-shadow:0 0 0 1px var(--cyan)}

body.viewer-open{overflow:hidden}

@media(max-width:700px){
  .gal{columns:2 150px;column-gap:10px}
  .gal figure{margin-bottom:10px}
  .viewer .stage{inset:0 0 88px;padding:60px 8px 4px}
  .strip2{height:82px}
  .strip2 button{width:84px}
  .viewer .nav{width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  .gal figure{opacity:1;transform:none}
  .flier{display:none}
}