/* ============================================================
   3D ROTUNDA — stage + overlay UI (editorial theme)
   ============================================================ */
.stage-section{position:relative;height:100svh;min-height:620px;overflow:hidden}
.stage{position:absolute;inset:0;cursor:grab}
.stage:active{cursor:grabbing}
.stage canvas{display:block;width:100%;height:100%;touch-action:none}

/* Scrim behind the title — portraits orbit straight through this corner and
   would otherwise render the heading unreadable. Sits above the canvas,
   below the heading itself. */
.stage-section::before{
  content:"";position:absolute;inset:0;z-index:4;pointer-events:none;
  background:radial-gradient(760px 460px at 0% 4%,
    rgba(11,10,9,.94) 0%, rgba(11,10,9,.72) 34%, rgba(11,10,9,.3) 58%, transparent 76%);
}

/* header overlay */
.stage-head{position:absolute;top:clamp(4.8rem,10vh,7.5rem);left:clamp(1.3rem,5vw,4rem);
  z-index:5;pointer-events:none;text-shadow:0 2px 26px rgba(11,10,9,.9)}
.stage-head .section-kicker{font-style:italic;text-transform:none;letter-spacing:.05em;
  font-family:var(--display);font-size:1.1rem}
.stage-head .section-title{font-size:clamp(2.2rem,6vw,4.2rem)}
/* The head is pointer-events:none so drags pass through it to the canvas;
   the one link inside has to opt back in. */
.stage-cat{pointer-events:auto;display:inline-flex;align-items:center;gap:.45rem;
  margin-top:.9rem;padding-bottom:.2rem;
  font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);
  border-bottom:1px solid var(--line-soft);transition:color .3s,border-color .3s,gap .3s var(--ease)}
.stage-cat:hover{color:var(--accent-soft);border-color:var(--accent);gap:.75rem}

/* loading label */
.stage-loading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;
  color:var(--dim);font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;
  pointer-events:none;transition:opacity .8s}
.stage-loading.gone{opacity:0}

/* hint pill */
.stage-hint{position:absolute;left:50%;top:clamp(5rem,11vh,8rem);transform:translateX(-50%);
  z-index:5;display:flex;align-items:center;gap:.6rem;padding:.6rem 1.2rem;border-radius:999px;
  background:rgba(11,10,9,.5);border:1px solid var(--line);backdrop-filter:blur(10px);
  color:var(--dim);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  transition:opacity .7s ease,transform .7s ease}
.stage-hint .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 9px var(--accent);animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
.stage-hint.gone{opacity:0;transform:translate(-50%,-14px);pointer-events:none}

/* bottom controls */
.stage-controls{position:absolute;left:50%;bottom:clamp(1.6rem,4vh,2.8rem);transform:translateX(-50%);
  z-index:6;display:flex;align-items:center;gap:.7rem}
.sc-btn{font-family:var(--serif);color:var(--ink);cursor:pointer;
  background:rgba(11,10,9,.55);border:1px solid var(--line);backdrop-filter:blur(10px);
  height:46px;min-width:46px;padding:0 1.1rem;border-radius:999px;font-size:1.25rem;
  display:grid;place-items:center;transition:background .35s,border-color .35s,transform .3s,color .35s}
.sc-auto{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase}
.sc-btn:hover{background:var(--ink);color:#140f07;border-color:var(--ink);transform:translateY(-2px)}

/* focus / story panel */
.focus-panel{position:absolute;right:clamp(1.3rem,4vw,3.2rem);top:50%;transform:translate(24px,-50%);
  z-index:6;width:min(92vw,370px);padding:2rem 1.9rem;
  background:rgba(14,12,10,.74);border:1px solid var(--line);backdrop-filter:blur(22px);
  box-shadow:0 30px 90px -30px #000;
  opacity:0;visibility:hidden;transition:opacity .55s var(--ease),transform .55s var(--ease),visibility .55s}
.focus-panel.show{opacity:1;visibility:visible;transform:translate(0,-50%)}
.fp-close{position:absolute;top:1rem;right:1rem;width:30px;height:30px;border-radius:50%;
  background:var(--glass);border:1px solid var(--line);color:var(--ink);cursor:pointer;
  display:grid;place-items:center;font-size:.8rem;transition:background .3s,color .3s}
.fp-close:hover{background:var(--accent);color:#140f07;border-color:transparent}
.fp-tag{display:inline-block;font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--accent-soft);padding-bottom:.9rem;margin-bottom:1rem;border-bottom:1px solid var(--line)}
.fp-title{font-family:var(--display);font-weight:400;font-size:clamp(1.7rem,3vw,2.3rem);
  line-height:1.05;margin-bottom:.9rem}
.fp-story{color:var(--dim);font-size:1rem;line-height:1.72;font-style:italic}
.fp-counter{display:block;margin-top:1.3rem;font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--dimmer)}

@media (max-width:720px){
  .focus-panel{right:50%;top:auto;bottom:6.4rem;transform:translate(50%,20px);
    width:min(92vw,460px);max-height:40vh;overflow:auto}
  .focus-panel.show{transform:translate(50%,0)}
  .stage-head{top:4.8rem}
}

/* fallback grid (no WebGL) */
.stage-fallback{position:absolute;inset:0;overflow:auto;padding:6.5rem 1.3rem 2rem;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;align-content:start}
.stage-fallback figure{position:relative;overflow:hidden;border:1px solid var(--line)}
.stage-fallback img{width:100%;height:210px;object-fit:cover;filter:saturate(.92)}
.stage-fallback figcaption{position:absolute;left:0;right:0;bottom:0;padding:.7rem .8rem;
  font-family:var(--display);font-size:1.05rem;
  background:linear-gradient(transparent,rgba(11,10,9,.9))}

/* ---------- audio guide ---------- */
.fp-guide {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: 1.4rem; padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
}
.fp-guide[hidden] { display: none }
.fp-guide-no {
  font-size: .58rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--dimmer); white-space: nowrap;
}
.fp-guide-no b {
  display: inline-block; margin-left: .5rem; padding: .18rem .42rem;
  font-weight: 400; letter-spacing: .1em; color: var(--accent);
  border: 1px solid rgba(184,152,92,.45);
}
.fp-guide-btn {
  display: inline-flex; align-items: center; gap: .55rem; cursor: pointer;
  font-family: var(--serif); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink); background: var(--glass); border: 1px solid var(--line);
  padding: .5rem .95rem; transition: border-color .35s, background .35s, color .35s;
}
.fp-guide-btn:hover { border-color: var(--accent); background: rgba(184,152,92,.12) }
.fp-guide-icon {
  width: 0; height: 0; flex: 0 0 auto;
  border-left: 7px solid var(--accent);
  border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
/* playing: the triangle becomes a stop square, and the bars move */
.fp-guide-btn.is-playing .fp-guide-icon {
  width: 8px; height: 8px; border: 0; background: var(--accent);
}
.fp-guide-btn.is-playing {
  border-color: var(--accent); background: rgba(184,152,92,.16);
}
.fp-guide-btn.is-playing::after {
  content: ""; width: 22px; height: 11px; margin-left: .1rem;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 50%/3px 40% no-repeat,
    linear-gradient(var(--accent), var(--accent)) 7px 50%/3px 80% no-repeat,
    linear-gradient(var(--accent), var(--accent)) 14px 50%/3px 55% no-repeat,
    linear-gradient(var(--accent), var(--accent)) 21px 50%/3px 30% no-repeat;
  animation: fp-eq 1s ease-in-out infinite;
}
@keyframes fp-eq {
  0%, 100% { background-size: 3px 40%, 3px 80%, 3px 55%, 3px 30% }
  50%      { background-size: 3px 85%, 3px 35%, 3px 90%, 3px 60% }
}
@media (max-width: 420px) {
  .fp-guide { flex-direction: column; align-items: flex-start; gap: .7rem }
}
@media (prefers-reduced-motion: reduce) {
  .fp-guide-btn.is-playing::after { animation: none }
}