/* ==========================================================
   Lords of Echoes — page Galerie
   Une salle d'exposition : mur sombre éclairé en douche, œuvres
   encadrées avec leur cartel, filtres, visionneuse plein écran.
   ========================================================== */

.page-galerie { --wall: #121213; --cartel: #e8e0cd; --cartel-ink: #2a221a; }
.page-galerie main { padding-top: var(--header-h); background: var(--wall); }

/* ---------- À l'affiche : diaporama en fondu ---------- */
.feat { position: relative; height: min(74vh, 760px); min-height: 460px; overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); }
.feat-stage { position: absolute; inset: 0; z-index: -1; }
.feat-slide { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 1.2s ease; }
.feat-slide.is-on { opacity: 1; }
.feat-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 9s ease-out; }
.feat-slide.is-on img { transform: scale(1); }
.feat-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 11, .75) 0%, rgba(10, 10, 11, 0) 30%, rgba(10, 10, 11, 0) 55%, rgba(10, 10, 11, .88) 100%),
    linear-gradient(90deg, rgba(10, 10, 11, .55) 0%, rgba(10, 10, 11, 0) 50%);
}
.feat-slide figcaption {
  position: absolute;
  left: var(--gutter); bottom: 118px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 620px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .8s .3s, transform .8s .3s;
}
.feat-slide.is-on figcaption { opacity: 1; transform: none; }
.feat-slide figcaption small { font-family: var(--font-display); font-size: 10.5px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-light); }
.feat-slide figcaption span { font-family: var(--font-display); font-size: clamp(22px, 2.4vw, 34px); line-height: 1.2; color: #f4ecdc; text-shadow: 0 2px 20px rgba(0, 0, 0, .8); }
.feat-open { align-self: flex-start; margin-top: 8px; font-family: var(--font-display); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--cream); border-bottom: 1px solid var(--gold); padding-bottom: 3px; }
.feat-open:hover { color: var(--gold-light); }
.feat-head { position: absolute; top: calc(var(--header-h) + 26px); left: var(--gutter); right: var(--gutter); }
.gal-band-kicker { font-family: var(--font-display); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 6px; }
.feat-head h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(38px, 4.2vw, 62px); line-height: 1; letter-spacing: .08em; color: #f4ecdc; margin-bottom: 8px; text-shadow: 0 2px 24px rgba(0, 0, 0, .7); }
.feat-head p:last-child { font-style: italic; font-size: clamp(16px, 1.3vw, 19px); color: var(--cream); text-shadow: 0 2px 12px rgba(0, 0, 0, .8); }
.feat-thumbs { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 26px; display: flex; align-items: center; gap: 10px; }
.feat-thumbs p { font-family: var(--font-display); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); margin-right: 8px; white-space: nowrap; }
.feat-thumb { position: relative; width: 92px; height: 58px; flex: none; padding: 0; border: 1px solid var(--line-soft); overflow: hidden; opacity: .6; transition: opacity .3s, border-color .3s, transform .3s; }
.feat-thumb img { width: 100%; height: 100%; object-fit: cover; }
.feat-thumb:hover { opacity: .9; }
.feat-thumb.is-on { opacity: 1; border-color: var(--gold); transform: translateY(-3px); }
.feat-thumb.is-on::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--gold-light); transform-origin: left; animation: featTimer 7s linear; }
@keyframes featTimer { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.page-galerie main { padding-top: 0; }

/* ---------- Filtres ---------- */
.gal-filters {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(14, 14, 15, .95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}
.gal-filters-inner {
  display: flex;
  align-items: center;
  gap: 6px 22px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 52px;
  overflow-x: auto;
  scrollbar-width: none;
}
.gal-filters-inner::-webkit-scrollbar { display: none; }
.gal-filters button {
  position: relative;
  flex: none;
  height: 100%;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .2s;
}
.gal-filters button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .25s; }
.gal-filters button:hover, .gal-filters button.is-active { color: var(--gold-light); }
.gal-filters button.is-active::after { transform: scaleX(1); }
.gal-sep { flex: none; width: 1px; height: 18px; background: var(--line); }
.gal-filters button[data-filter^="section:"] { color: var(--cream-2); }

/* ---------- Salles ---------- */
.gal-rooms {
  background:
    radial-gradient(ellipse 40% 30% at 20% 0%, rgba(255, 230, 190, .05), transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 30%, rgba(255, 230, 190, .04), transparent 70%),
    var(--wall);
}
.gal-room { max-width: var(--maxw); margin: 0 auto; padding: clamp(50px, 6vw, 90px) var(--gutter) clamp(30px, 4vw, 60px); scroll-margin-top: calc(var(--header-h) + 52px); }
.gal-room + .gal-room { border-top: 1px solid var(--line-soft); }
.gal-room-head {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 240px;
  margin-bottom: clamp(30px, 4vw, 50px);
  padding: 30px 34px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line-soft);
}
.gal-room-head img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.gal-room-head::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10, 10, 11, .92) 0%, rgba(10, 10, 11, .6) 45%, rgba(10, 10, 11, .1) 100%); }
.gal-room-num { font-family: var(--font-display); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 6px; }
.gal-room-head h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 3vw, 46px); color: #f4ecdc; margin-bottom: 6px; }
.gal-room-head p:last-child { font-style: italic; font-size: 18px; color: var(--cream-2); max-width: 560px; }
.gal-room[hidden] { display: none; }

.gal-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-auto-rows: 250px;
  grid-auto-flow: dense;
  gap: clamp(16px, 1.8vw, 24px);
}
.work { position: relative; margin: 0; min-width: 0; }
.work[hidden] { display: none; }
.work.is-wide { grid-column: span 2; }
.work.is-tall { grid-row: span 2; }
.work-frame {
  position: relative;
  display: block;
  height: 100%;
  padding: 8px;
  background: linear-gradient(180deg, #1f1d19, #151412);
  border: 1px solid rgba(196, 154, 92, .28);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .5), 0 0 0 1px rgba(0, 0, 0, .6);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.work-frame::after { content: ""; position: absolute; inset: 4px; border: 1px solid rgba(196, 154, 92, .14); pointer-events: none; }
.work-frame img { width: 100%; height: 100%; object-fit: cover; background: #1a1a1b; transition: transform .8s ease; }
.work-frame { overflow: hidden; }
.work-frame:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: 0 32px 70px rgba(0, 0, 0, .6); }
.work-frame:hover img { transform: scale(1.04); }
.cartel {
  position: absolute;
  left: 18px; bottom: 18px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: calc(100% - 36px);
  padding: 7px 11px 6px;
  background: var(--cartel);
  color: var(--cartel-ink);
  box-shadow: 0 6px 14px rgba(0, 0, 0, .45);
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.cartel span { font-size: 15px; line-height: 1.25; }
.cartel small { font-family: var(--font-display); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; color: #6d5a44; }
.work:not(.is-wide):not(.is-tall) .cartel { opacity: 0; transform: translateY(6px); }
.work:hover .cartel, .work:focus-within .cartel { opacity: 1; transform: none; }
@media (hover: none) { .work .cartel { opacity: 1 !important; transform: none !important; } }

/* ---------- Visionneuse ---------- */
.viewer { position: fixed; inset: 0; z-index: 200; display: grid; grid-template-columns: 70px minmax(0, 1fr) 70px; align-items: center; background: rgba(6, 6, 7, .96); }
.viewer[hidden] { display: none; }
.viewer button { display: grid; place-items: center; color: var(--cream-2); transition: color .2s, border-color .2s; }
.viewer button svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.viewer-prev, .viewer-next { width: 52px; height: 52px; margin: 0 auto; border: 1px solid var(--line-soft); }
.viewer-prev:hover, .viewer-next:hover, .viewer-close:hover { color: var(--gold-light); border-color: var(--gold); }
.viewer-close { position: absolute; top: 18px; right: 18px; width: 46px; height: 46px; border: 1px solid var(--line-soft); z-index: 2; }
.viewer-stage { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 16px; min-width: 0; }
.viewer-stage img { max-width: 100%; max-height: calc(100vh - 150px); object-fit: contain; box-shadow: 0 40px 100px rgba(0, 0, 0, .7); animation: viewerIn .3s ease; }
.viewer-stage figcaption { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 6px 18px; text-align: center; }
.viewer-caption { font-size: 19px; color: var(--cream); }
.viewer-label { font-family: var(--font-display); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.viewer-link { font-family: var(--font-display); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); border-bottom: 1px solid var(--line); }
.viewer-count { font-style: normal; font-family: var(--font-display); font-size: 10.5px; letter-spacing: .2em; color: var(--muted); }
html.viewer-open { overflow: hidden; }
@keyframes viewerIn { from { opacity: 0; transform: scale(.985); } to { opacity: 1; transform: none; } }

@media (max-width: 760px) {
  .work.is-wide { grid-column: auto; }
  .gal-wall { grid-auto-rows: 220px; }
}
@media (max-width: 640px) {
  .feat { height: 78vh; }
  .feat-thumbs p { display: none; }
  .feat-thumb { width: 62px; height: 42px; }
  .feat-slide figcaption { bottom: 96px; right: var(--gutter); }
  .gal-room-head { min-height: 190px; padding: 22px; }
  .viewer { grid-template-columns: 0 minmax(0, 1fr) 0; }
  .viewer-prev, .viewer-next { position: absolute; bottom: 18px; }
  .viewer-prev { left: 18px; }
  .viewer-next { right: 18px; }
  .viewer-stage img { max-height: calc(100vh - 220px); }
}