/* kopf3d.css – cabeça 3D holográfica com a Matriz 441 (js/kopf3d.js, js/kopf3d-embed.js)
   Carregada pelo JavaScript (versão via <meta name="asset-v">); a página ativacao-guiada.html a inclui também no <head>.
   O palco tem altura fixa (sem saltos de layout); os rótulos são elementos HTML posicionados por transform. */
.k3d{--k3d-h:clamp(340px,92vw,560px);display:grid;gap:10px;min-width:0}
.k3d-full{--k3d-h:clamp(380px,112vw,720px)}
@media (min-width:900px){.k3d-full{--k3d-h:min(74vh,720px)}}

/* ---------- Leiste ---------- */
.k3d-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;min-height:36px}
.k3d-seg{display:flex;flex-wrap:wrap;gap:5px}
.k3d-bar .chip{min-height:34px;padding:6px 12px}
.k3d-seg [aria-pressed=true],.k3d-rot[aria-pressed=true]{color:#1a1405;background:var(--gold);border-color:var(--gold)}   /* GR-15: wie alle Chips (vorher Cyanrand) */
.k3d-rot{margin-left:auto}
.k3d-rot::before{content:'⟳ '}
@media (pointer:coarse){.k3d-bar .chip{min-height:40px}}

/* ---------- Bühne ---------- */
.k3d-stage{position:relative;height:var(--k3d-h);border-radius:var(--radius,18px);overflow:hidden;border:1px solid var(--line);isolation:isolate;touch-action:none;
  background:radial-gradient(ellipse 60% 55% at 50% 42%,rgba(60,110,230,.32),transparent 70%),radial-gradient(ellipse 80% 70% at 70% 20%,rgba(123,92,196,.28),transparent 70%),
    radial-gradient(ellipse 90% 80% at 20% 90%,rgba(40,170,220,.16),transparent 70%),#050819}
.k3d-canvas{position:absolute;inset:0}
.k3d-canvas canvas{display:block;width:100%;height:100%;outline:none}
.k3d-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:2}
.k3d-lab{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:2px;padding:2px 7px;border-radius:999px;white-space:nowrap;
  background:rgba(5,8,25,.78);border:1px solid color-mix(in srgb,var(--c,#5fd4f0) 70%,transparent);font:700 11px/1.3 var(--font);letter-spacing:.02em;
  pointer-events:auto;cursor:pointer;will-change:transform;box-shadow:0 0 14px -4px var(--c,#5fd4f0);z-index:1}   /* über den Orientierungsmarken */
.k3d-lab.main{font-size:13px;padding:3px 9px}
.k3d-lab i{font-style:normal;color:rgba(230,232,250,.7);font-weight:500}
.k3d-lab.on{background:rgba(5,8,25,.95);border-color:#fff;z-index:3;transform-origin:50% 100%}
.k3d-lab[hidden],.k3d-or[hidden]{display:none}
.k3d-or{position:absolute;left:0;top:0;padding:2px 8px;border-radius:6px;font:600 10px/1.3 var(--font);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;
  color:var(--gold);background:rgba(5,8,25,.55);will-change:transform;z-index:0}
.k3d-msg,.k3d-sp{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;max-width:min(80%,420px);text-align:center;color:var(--muted);font-size:14px;z-index:3}
.k3d-sp{top:auto;bottom:14px;transform:translateX(-50%);padding:8px 14px;border-radius:12px;background:rgba(5,8,25,.8);border:1px solid var(--line)}
.k3d.ready .k3d-msg{display:none}
.k3d.nogl .k3d-stage{display:grid;place-items:center}
.k3d-hint{position:absolute;left:12px;bottom:10px;margin:0;font-size:11.5px;color:var(--faint);z-index:2;pointer-events:none;opacity:0;transition:opacity .4s}
.k3d.ready .k3d-hint{opacity:.9}
.k3d-compact{position:relative}   /* Nachweis-Link steht hinter der Bühne (role=img ohne Bedienelemente), liegt aber über ihr */
.k3d-credit{position:absolute;right:10px;bottom:8px;z-index:3;font-size:10.5px;color:var(--faint);text-decoration:none;opacity:.8}
.k3d-credit:hover{color:var(--muted);text-decoration:underline}
.k3d.guiding .k3d-hint{opacity:0}
@media (max-width:520px){.k3d-hint{display:none}.k3d-lab{font-size:10px}.k3d-lab.main{font-size:11.5px}}

/* ---------- Seitenleiste (Modus full) ---------- */
.k3d-side{display:grid;gap:14px;align-content:start;min-width:0}
.k3d-guide-bar .btn{width:100%;justify-content:center}
.k3d-info{min-height:9em;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(7,10,28,.5);font-size:13.5px;line-height:1.5}
.k3d-hint2{margin:0;color:var(--muted)}
.k3d-d{padding:10px 0 2px;border-top:1px solid var(--line)}
.k3d-d:first-child,.k3d-gtxt + .k3d-d,.k3d-gbar + .k3d-d{border-top:0;padding-top:0}
.k3d-dh{margin:0 0 4px;display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 9px}
.k3d-k{font:700 17px/1.2 var(--font);color:var(--c,var(--gold))}
.k3d-dh span:not(.k3d-k){font-weight:600}
.k3d-place{margin:0 0 6px;color:var(--gold);font-weight:600}
.k3d-place::before{content:'◉ ';color:var(--c,var(--gold))}
.k3d-d dl{margin:0;display:flex;flex-wrap:wrap;gap:4px 16px}
.k3d-d dl>div{display:flex;align-items:center;gap:6px;min-width:0}
.k3d-d dt{font:600 10px/1.2 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.k3d-d dd{margin:0;display:flex;align-items:center;gap:6px;min-width:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.k3d-ref{flex:1 1 100%}
.k3d-gl svg{display:block}
.k3d-s{margin:6px 0 0;color:var(--muted);font-size:13px}
.k3d-go{display:inline-flex;align-items:center;gap:4px;min-height:32px;font-size:12.5px;color:var(--cyan);text-decoration:none}
.k3d-go:hover{text-decoration:underline}
.k3d-list{display:grid;gap:12px;min-width:0}
.k3d-grp-t{margin:0 0 7px;font:600 11px/1.35 var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.k3d-grp + .k3d-grp .k3d-grp-t{color:var(--cyan)}
.k3d-grp ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.k3d-chip{display:inline-flex;align-items:baseline;gap:6px;min-height:36px;padding:7px 11px;border-radius:999px;border:1px solid var(--line);border-left:3px solid var(--c);
  background:rgba(255,255,255,.035);color:var(--text);font:500 12.5px/1.2 var(--font);cursor:pointer;font-variant-numeric:tabular-nums}
.k3d-chip b{color:var(--c)}
.k3d-chip small{font-size:11px;color:var(--faint)}
.k3d-chip.main{background:rgba(227,191,110,.08)}
.k3d-chip.main b::after{content:'★';margin-left:3px;font-size:.8em;color:var(--gold)}
.k3d-chip:hover{border-color:var(--c)}
.k3d-chip[aria-pressed=true]{border-color:#fff;background:rgba(255,255,255,.12)}
.k3d-chip:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.k3d-chip.none{cursor:default;opacity:.55}
@media (pointer:coarse){.k3d-chip{min-height:40px}}
/* geführte Aktivierung */
.k3d-gh{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.k3d-gh p{margin:0;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.k3d-gh b{color:var(--gold)}
.k3d-gctl{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.k3d-gctl .icon-btn{width:36px;height:36px}
.k3d-gctl .icon-btn:disabled{opacity:.35;cursor:default}
.k3d-gbar{height:3px;border-radius:2px;background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:10px}
.k3d-gbar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));transform-origin:0 50%;animation:k3dbar linear forwards}
.k3d-gbar i.end,.k3d-gbar.paused i{animation:none;transform:scaleX(1);opacity:.5}
@keyframes k3dbar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.k3d-gtxt{margin:0 0 10px;font-size:15px;line-height:1.55;color:var(--text)}

/* ---------- eingebettet (Poster + Knopf, js/kopf3d-embed.js) ---------- */
.k3d-embed{display:grid;gap:10px;min-width:0;width:100%;max-width:760px;margin-inline:auto}
.k3d-poster{position:relative;margin:0;border-radius:var(--radius,18px);overflow:hidden;border:1px solid var(--line);background:#050819;aspect-ratio:4/3}
.k3d-poster img{display:block;width:100%;height:100%;object-fit:cover}
.k3d-poster .k3d-open{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);white-space:nowrap}
.k3d-embed.on .k3d-poster{display:none}
.k3d-poster .k3d-pcredit{top:8px;bottom:auto;right:8px;max-width:calc(100% - 16px);padding:2px 7px;border-radius:6px;background:rgba(5,8,25,.66);color:var(--muted);opacity:1}
@media (pointer:coarse){.k3d-poster .k3d-pcredit{padding:8px 9px}}
.k3d-embed .k3d-cap{margin:0;font-size:12.5px;color:var(--faint)}

@media (prefers-reduced-motion:reduce){.k3d *{transition:none!important}.k3d-gbar i{animation:none;transform:scaleX(1);opacity:.5}}
@media print{.k3d-bar,.k3d-stage,.k3d-guide-bar{display:none!important}}
/* ---------- Szene „HoloHead“ der 3D-Erfahrung (js/synchro3d.js, Szene 9): der Kopf als Ebene über der Bühne, unter dem Titel ---------- */
.s3d-k3d{position:absolute;left:0;right:0;top:62px;bottom:0;z-index:2;padding:0 14px 14px;min-width:0}
.s3d-k3d.k3d{display:grid;grid-template-rows:auto minmax(0,1fr);gap:8px}
.s3d-k3d .k3d-stage{height:auto;min-height:0}
.s3d-k3d .k3d-credit{right:24px;bottom:20px}
.s3d-k3d-msg{margin:0;padding:40px 16px;text-align:center;color:var(--muted);font-size:14px}
.s3d-holo .s3d-canvas,.s3d-holo .s3d-labels,.s3d-holo .s3d-pause{visibility:hidden}
.s3d-go{display:inline-flex;align-items:center;gap:4px;min-height:24px;color:var(--cyan);text-decoration:none;font-weight:600;white-space:nowrap}
.s3d-go:hover{text-decoration:underline}
.s3d-go:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
@media (max-width:640px){
  .s3d-holo .s3d-canvas{display:none}
  .s3d-holo .s3d-legend:empty,#experiencia-3d .s3d-holo .s3d-legend:empty{display:none}   /* reservierter Legendenplatz entfällt: der Kopf ist höher als die Bühne */
  .s3d-holo .s3d-head{position:static;order:-1;padding:14px 16px 0}
  .s3d-k3d{position:relative;inset:auto;padding:10px 10px 12px}
  .s3d-k3d .k3d-stage{height:var(--k3d-h)}
}