/* ============================================================
   BASE TOKENS / RESET — identical to V1
   ============================================================ */
:root{
  --ink:#0A0A0A;
  --paper:#FFFFFF;
  --grey:#6F6F6F;
  --hair: rgba(10,10,10,0.14);
  --hair-strong: rgba(10,10,10,0.28);
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; } }
body{ background:var(--paper); color:var(--ink); font-family:'Lora', serif; -webkit-font-smoothing:antialiased; min-height:100vh; }
img{ display:block; width:100%; height:100%; object-fit:cover; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--ink); color:var(--paper); }
:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; }

.gx-body{ overflow:hidden; height:100vh; height:100dvh; background:#0A0A0A; }
.gx{ position:fixed; inset:0; width:100%; height:100%; overflow:hidden; }

/* ============================================================
   ENTRY / HERO — LOCKED. Copied verbatim from the approved V1
   mock. Typography, image, hierarchy and ENTER GALLERY are
   unchanged. Only what happens AFTER the click is new.
   ============================================================ */
.gx-mark{
  font-family:'Poppins', sans-serif; font-weight:700; font-size:14px;
  letter-spacing:-0.01em; color:#fff; margin-bottom:34px; opacity:0.92;
}
.gx-hero{
  position:absolute; inset:0; z-index:5; overflow:hidden;
  opacity:1; visibility:visible;
  transition: opacity 900ms cubic-bezier(.22,.61,.36,1), visibility 900ms;
}
.gx-hero.is-exited{ opacity:0; visibility:hidden; pointer-events:none; }
.gx-hero-img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center 40%;
}
.gx-hero-scrim{
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(0,0,0,0.58) 0%, rgba(0,0,0,0.22) 32%, rgba(0,0,0,0.32) 58%, rgba(0,0,0,0.82) 100%);
}
.gx-hero-content{
  position:relative; z-index:2; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:32px;
}
.gx-hero-eyebrow{
  font-family:'Poppins', sans-serif; font-weight:500; letter-spacing:0.28em;
  text-transform:uppercase; font-size:11px; color:rgba(255,255,255,0.78); margin-bottom:22px;
}
.gx-hero-title{
  font-family:'Poppins', sans-serif; font-weight:700; color:#fff;
  font-size:clamp(52px, 9vw, 108px); line-height:0.92; letter-spacing:-0.01em;
}
.gx-hero-sub{
  font-family:'Poppins', sans-serif; font-weight:500; letter-spacing:0.2em;
  text-transform:uppercase; font-size:12px; color:rgba(255,255,255,0.72);
  margin-top:20px; margin-bottom:52px;
}
.gx-enter{
  font-family:'Poppins', sans-serif; font-weight:500; font-size:11.5px;
  letter-spacing:0.22em; text-transform:uppercase; color:#fff;
  background:transparent; border:1px solid rgba(255,255,255,0.55);
  padding:16px 34px; cursor:pointer;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.gx-enter:hover, .gx-enter:focus-visible{
  background:#fff; color:#0A0A0A; border-color:#fff;
}

/* ============================================================
   EXHIBITION — WebGL hall + HUD (exhibition.js)
   Replaces the CSS-3D corridor. Hero above is unchanged.
   ============================================================ */
.ex{
  --ex-fg:#F4F2EC;
  --ex-dim:rgba(244,242,236,0.62);
  --ex-faint:rgba(244,242,236,0.28);
  --ex-glass:rgba(12,11,10,0.46);
  --ex-line:rgba(244,242,236,0.18);
  --ex-gx:max(22px, env(safe-area-inset-left));
  --ex-gxr:max(22px, env(safe-area-inset-right));
  --ex-gb:max(22px, env(safe-area-inset-bottom));
  --ex-gt:max(20px, env(safe-area-inset-top));
  position:absolute; inset:0; z-index:3;
  background:#0d0c0b; color:var(--ex-fg);
  opacity:0; visibility:hidden;
  transition:opacity 1200ms ease, visibility 0s linear 1200ms;
}
.ex.is-active{ opacity:1; visibility:visible; transition:opacity 1200ms ease; }
.ex-canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; touch-action:none; outline:none; cursor:grab; }
.ex-canvas:active{ cursor:grabbing; }
.ex-canvas.is-art{ cursor:zoom-in; }
.ex-canvas.is-floor{ cursor:pointer; }
.ex.is-inspect .ex-canvas{ cursor:move; }
.ex-vignette{
  position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(ellipse 85% 75% at 50% 46%, rgba(0,0,0,0) 55%, rgba(0,0,0,0.5) 100%);
  transition:opacity .8s ease;
}
.ex.is-inspect .ex-vignette{ opacity:.4; }

/* shared type + buttons */
.ex-btn{
  font-family:'Poppins', sans-serif; font-weight:500; font-size:11px; letter-spacing:0.2em;
  text-transform:uppercase; color:var(--ex-fg); background:transparent;
  border:0; border-bottom:1px solid transparent; padding:6px 0; cursor:pointer;
  position:relative; transition:border-color .25s ease, opacity .25s ease, color .25s ease;
}
.ex-btn::after{ content:""; position:absolute; left:50%; top:50%; width:max(100%, 44px); height:44px; transform:translate(-50%,-50%); }
.ex-btn:hover{ border-color:currentColor; }
.ex-btn:disabled{ opacity:.3; cursor:default; border-color:transparent; }
.ex-btn:focus-visible, .ex-zoom-btn:focus-visible, .ex-index-item:focus-visible{ outline:1px solid var(--ex-fg); outline-offset:4px; }
.ex-btn-solid{ border:1px solid var(--ex-line); padding:11px 18px; background:var(--ex-glass); -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px); }
.ex-btn-solid:hover{ border-color:var(--ex-fg); background:var(--ex-fg); color:#0A0A0A; }

/* top bar */
.ex-top{
  position:absolute; top:0; left:0; right:0; z-index:4;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:var(--ex-gt) var(--ex-gxr) 0 var(--ex-gx); pointer-events:none;
}
.ex-top > *{ pointer-events:auto; }
.ex-mark{ font-family:'Poppins', sans-serif; font-weight:700; font-size:14px; letter-spacing:-0.01em; color:var(--ex-fg); }
.ex-show{
  font-family:'Poppins', sans-serif; font-weight:500; font-size:10.5px; letter-spacing:0.24em;
  text-transform:uppercase; color:var(--ex-dim); text-align:center; flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.ex-top-actions{ display:flex; gap:26px; }

/* work label (bottom-left) */
.ex-label{
  position:absolute; left:var(--ex-gx); bottom:calc(var(--ex-gb) + 64px); z-index:4;
  max-width:min(460px, 70vw); pointer-events:none;
  transition:opacity .5s ease, transform .5s ease;
}
.ex-label.is-swap{ opacity:0; transform:translateY(6px); }
.ex-label-num{ font-family:'Poppins', sans-serif; font-weight:500; font-size:11px; letter-spacing:.2em; color:var(--ex-dim); }
.ex-label-title{
  font-family:'Poppins', sans-serif; font-weight:700; text-transform:uppercase;
  font-size:clamp(26px, 3.6vw, 52px); line-height:.95; letter-spacing:-0.01em; margin:8px 0 10px;
  text-wrap:balance;
}
.ex-label-meta{ font-family:'Lora', serif; font-style:italic; font-size:15px; color:var(--ex-dim); }

/* hint */
.ex-hint{
  position:absolute; left:50%; top:calc(var(--ex-gt) + 46px); transform:translateX(-50%); z-index:4;
  font-family:'Poppins', sans-serif; font-weight:500; font-size:10px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--ex-dim); white-space:nowrap; pointer-events:none;
  padding:10px 16px; background:var(--ex-glass); border:1px solid var(--ex-line);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  transition:opacity .8s ease;
}
.ex-hint.is-gone{ opacity:0; }
.ex-hint:empty{ display:none; }

/* bottom nav */
.ex-nav{
  position:absolute; left:0; right:0; bottom:0; z-index:4;
  display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:16px;
  padding:0 var(--ex-gxr) var(--ex-gb) var(--ex-gx);
  transition:opacity .5s ease;
}
.ex-count{ font-family:'Poppins', sans-serif; font-weight:500; font-size:11px; letter-spacing:.16em; font-variant-numeric:tabular-nums; }
.ex-nav-controls{ display:flex; align-items:center; gap:24px; }

/* inspect zoom */
.ex-zoom{
  position:absolute; right:var(--ex-gxr); bottom:calc(var(--ex-gb) + 64px); z-index:5;
  display:flex; align-items:center; gap:10px;
  padding:8px 8px 8px 14px; background:var(--ex-glass); border:1px solid var(--ex-line);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .45s ease, transform .45s ease, visibility 0s linear .45s;
}
.ex.is-inspect .ex-zoom{ opacity:1; visibility:visible; transform:none; transition:opacity .45s ease, transform .45s ease; }
.ex-zoom-btn{
  width:32px; height:32px; border:1px solid var(--ex-line); background:transparent; color:var(--ex-fg);
  font-family:'Poppins', sans-serif; font-size:16px; line-height:1; cursor:pointer; position:relative;
}
.ex-zoom-btn::after{ content:""; position:absolute; inset:-6px; }
.ex-zoom-btn:hover{ border-color:var(--ex-fg); }
.ex-zoom-btn:disabled{ opacity:.3; cursor:default; }
.ex-zoom-pct{ font-family:'Poppins', sans-serif; font-size:11px; letter-spacing:.1em; min-width:44px; text-align:center; font-variant-numeric:tabular-nums; }
.ex-zoom .ex-btn{ margin:0 8px 0 10px; }

/* loader */
.ex-loader{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:6;
  display:flex; flex-direction:column; align-items:center; gap:16px; pointer-events:none;
  transition:opacity .6s ease;
}
.ex-loader.is-done{ opacity:0; }
.ex-loader-txt{ font-family:'Poppins', sans-serif; font-weight:500; font-size:10.5px; letter-spacing:.26em; text-transform:uppercase; color:var(--ex-dim); }
.ex-loader-bar{ width:160px; height:1px; background:var(--ex-line); overflow:hidden; }
.ex-loader-bar i{ display:block; height:100%; width:0; background:var(--ex-fg); transition:width .3s ease; }

/* index */
.ex-index{
  position:absolute; inset:0; z-index:8; overflow-y:auto; overscroll-behavior:contain;
  background:rgba(10,9,8,0.88); -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px);
  opacity:0; visibility:hidden; transition:opacity .45s ease, visibility 0s linear .45s;
}
.ex-index.is-open{ opacity:1; visibility:visible; transition:opacity .45s ease; }
.ex-index-inner{ max-width:1180px; margin:0 auto; padding:calc(var(--ex-gt) + 28px) var(--ex-gxr) calc(var(--ex-gb) + 40px) var(--ex-gx); }
.ex-index-head{ display:flex; justify-content:space-between; align-items:flex-start; gap:24px; margin-bottom:40px; }
.ex-index-eyebrow{ font-family:'Poppins', sans-serif; font-weight:500; font-size:10.5px; letter-spacing:.26em; text-transform:uppercase; color:var(--ex-dim); }
.ex-index-title{ font-family:'Poppins', sans-serif; font-weight:700; font-size:clamp(40px, 7vw, 84px); line-height:.92; margin:14px 0 14px; }
.ex-index-lede{ font-family:'Lora', serif; font-style:italic; font-size:17px; line-height:1.5; color:var(--ex-dim); max-width:36ch; }
.ex-index-grid{ list-style:none; display:grid; grid-template-columns:repeat(auto-fill, minmax(min(220px, 42vw), 1fr)); gap:28px 22px; }
.ex-index-item{
  display:flex; flex-direction:column; gap:12px; width:100%; text-align:left;
  background:none; border:0; color:var(--ex-fg); cursor:pointer; padding:0;
}
.ex-index-item img{ aspect-ratio:1; width:100%; height:auto; object-fit:cover; background:#1a1917; transition:opacity .3s ease, transform .5s ease; }
.ex-index-item:hover img{ opacity:.82; }
.ex-index-item.is-current img{ outline:1px solid var(--ex-fg); outline-offset:5px; }
.ex-index-num{ font-family:'Poppins', sans-serif; font-weight:500; font-size:10.5px; letter-spacing:.2em; color:var(--ex-dim); }
.ex-index-name{ font-family:'Poppins', sans-serif; font-weight:600; font-size:14px; letter-spacing:.02em; text-transform:uppercase; margin-top:-6px; }

/* no-WebGL fallback */
.ex-fallback{ position:absolute; inset:0; overflow-y:auto; z-index:7; background:#0d0c0b; padding:calc(var(--ex-gt) + 70px) var(--ex-gxr) 60px var(--ex-gx); }
.ex-fallback-note{ font-family:'Lora', serif; font-style:italic; color:var(--ex-dim); margin-bottom:30px; max-width:52ch; }
.ex-fallback-list{ list-style:none; display:grid; gap:48px; max-width:760px; }
.ex-fallback-list img{ width:100%; height:auto; aspect-ratio:1; }
.ex-fallback-list p{ font-family:'Poppins', sans-serif; font-weight:600; text-transform:uppercase; letter-spacing:.04em; margin-top:12px; }

/* inspect mode: quieter chrome */
.ex.is-inspect .ex-hint{ opacity:0; }
.ex.is-index .ex-top, .ex.is-index .ex-nav, .ex.is-index .ex-label{ opacity:0; pointer-events:none; }

@media (max-width:720px){
  .ex-show{ display:none; }
  .ex-top-actions{ gap:20px; }
  .ex-label{ bottom:calc(var(--ex-gb) + 112px); max-width:calc(100vw - 44px); }
  .ex-label-meta{ font-size:13px; }
  .ex-nav{ grid-template-columns:1fr auto; row-gap:18px; }
  .ex-nav-controls{ grid-column:1 / -1; grid-row:1; justify-content:space-between; }
  .ex-nav-spacer{ display:none; }
  .ex-count{ grid-row:2; }
  .ex-zoom{ left:var(--ex-gx); right:var(--ex-gxr); bottom:calc(var(--ex-gb) + 100px); justify-content:center; }
  .ex.is-inspect .ex-label{ opacity:0; }
  .ex-hint{ white-space:normal; width:max-content; max-width:calc(100vw - 44px); text-align:center; line-height:1.7; }
}
@media (max-height:460px) and (orientation:landscape){
  .ex-label{ bottom:calc(var(--ex-gb) + 50px); }
  .ex-label-title{ font-size:24px; }
  .ex-hint{ display:none; }
}