/* =====================================================================
   PHOTO GALLERIES: hub (page-galleries.php) + single gallery (page-gallery.php)
   ===================================================================== */
.ch-btn__ico{width:16px;height:16px}
.ch-btn--ghost-ink{border-color:var(--ch-rule);color:var(--ch-ink);background:#fff}
.ch-btn--ghost-ink:hover{border-color:var(--ch-teal)}
.ch-btn[hidden]{display:none}

/* ---------- gallery cards (hub + "more from this event") ---------- */
.ch-gcards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ch-gcard{display:flex}
.ch-gcard__link{position:relative;display:flex;flex-direction:column;width:100%;border-radius:22px;overflow:hidden;background:var(--ch-mist);color:var(--ch-ink);text-decoration:none;
  transition:transform .5s var(--ch-ease),box-shadow .5s var(--ch-ease)}
.ch-gcard__link:hover{transform:translateY(-4px);box-shadow:0 34px 70px -38px rgba(20,32,58,.55)}
.ch-gcard__link:focus-visible{outline:2px solid var(--ch-gold);outline-offset:3px}
.ch-gcard__img{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#dfe9ec}
.ch-gcard__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ch-ease)}
.ch-gcard__link:hover .ch-gcard__img img{transform:scale(1.05)}
.ch-gcard__img::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--ch-teal),var(--ch-gold) 70%,var(--ch-yellow));transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ch-ease)}
.ch-gcard__link:hover .ch-gcard__img::after{transform:scaleX(1)}
.ch-gcard__body{display:grid;gap:6px;padding:18px 20px 20px}
.ch-gcard__k{font:500 11px/1.3 var(--ch-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ch-teal)}
.ch-gcard__title{font:400 21px/1.2 var(--ch-display)}
.ch-gcard__n{font-size:14px;color:var(--ch-ink-2)}
.ch-gcard__n span{display:inline-block;transition:transform .35s var(--ch-ease)}
.ch-gcard__link:hover .ch-gcard__n span{transform:translateX(4px)}
@media (max-width:960px){.ch-gcards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.ch-gcards{grid-template-columns:minmax(0,1fr)}}

/* ---------- hub ---------- */
/* room under the ribbon seam before the event shortcuts, and before the first event */
/* overflow:clip (not hidden) so the sticky event bar follows the page, not this section */
.ch-galleries__body{padding-top:clamp(64px,7vw,104px);overflow:clip}
.ch-gnav{position:sticky;top:74px;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--ch-rule);border-bottom:1px solid var(--ch-rule);margin-bottom:clamp(64px,7vw,104px)}
.ch-gnav__inner{display:flex;gap:8px;overflow-x:auto;padding-top:14px;padding-bottom:14px;scrollbar-width:none}
.ch-gnav__inner::-webkit-scrollbar{display:none}
.ch-gnav__chip{flex:none;padding:9px 16px;border-radius:999px;background:var(--ch-mist);color:var(--ch-ink);text-decoration:none;font:600 14px/1 var(--ch-body);transition:background-color .25s,color .25s}
.ch-gnav__chip:hover,.ch-gnav__chip.is-on{background:var(--ch-petrol);color:#fff}
.ch-gevent{scroll-margin-top:150px}
.ch-gevent+.ch-gevent{margin-top:clamp(64px,8vw,110px);padding-top:clamp(40px,5vw,64px);border-top:1px solid var(--ch-rule)}
.ch-gevent__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 24px;margin-bottom:clamp(24px,3vw,36px)}
.ch-gevent__meta{margin:0;font:500 12px/1.3 var(--ch-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ch-ink-2)}
/* newest event: lead card is wide */
.ch-gevent:first-of-type .ch-gcard:first-child{grid-column:span 2}
.ch-gevent:first-of-type .ch-gcard:first-child .ch-gcard__img{aspect-ratio:auto;flex:1;min-height:280px}
.ch-gevent:first-of-type .ch-gcard:first-child .ch-gcard__title{font-size:clamp(24px,2.4vw,32px)}
@media (max-width:560px){.ch-gevent:first-of-type .ch-gcard:first-child{grid-column:auto}}

/* ---------- single gallery ---------- */
.ch-gallery{padding-top:clamp(56px,6vw,90px)}
.ch-gallery__bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;margin-bottom:clamp(22px,2.6vw,32px)}
.ch-gallery__count{margin:0;font-size:15px;color:var(--ch-ink-2)}
.ch-gallery__count b{font:400 26px/1 var(--ch-display);color:var(--ch-ink);margin-right:4px}
.ch-gallery__count span{display:block;margin-top:6px;font:500 11px/1.3 var(--ch-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ch-teal)}
.ch-gallery__actions{display:flex;align-items:center;gap:18px}
.ch-gallery__all{font-weight:600;font-size:14px;color:var(--ch-petrol);text-decoration:none}
.ch-gallery__all:hover{text-decoration:underline}

/* justified grid: each photo grows in proportion to its aspect ratio */
.ch-jg{--row:250px;display:flex;flex-wrap:wrap;gap:8px}
.ch-jg::after{content:"";flex-grow:1000000}
.ch-jg__item{all:unset;box-sizing:border-box;position:relative;cursor:zoom-in;overflow:hidden;border-radius:10px;background:var(--ch-mist);
  flex-grow:calc(var(--ar) * 100);flex-basis:calc(var(--ar) * var(--row));aspect-ratio:var(--ar);max-height:calc(var(--row) * 1.6);
  animation:ch-rise .7s var(--ch-ease) both;animation-delay:calc(var(--k,0) * 25ms)}
.ch-jg__item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ch-ease),opacity .6s}
.ch-jg__item img:not(.is-loaded){opacity:0}
.ch-jg__item:hover img{transform:scale(1.04)}
.ch-jg__item::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(20,32,58,.06);background:linear-gradient(180deg,transparent 60%,rgba(5,7,13,.28));opacity:0;transition:opacity .35s}
.ch-jg__item:hover::after{opacity:1}
.ch-jg__item:focus-visible{outline:3px solid var(--ch-gold);outline-offset:2px}
.ch-jg__more{display:flex;justify-content:center;margin-top:clamp(28px,3vw,40px)}
@media (max-width:760px){.ch-jg{--row:150px;gap:6px}.ch-jg__item{border-radius:8px}}

/* ---------- "more from this event" band ---------- */
.ch-gallery-more__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(28px,3.4vw,44px)}
.ch-gallery-more .ch-gcard__link{background:#fff}