/* ============================================================
   Brundisium Immersiva - stili di pagina (hero immersivo)
   Eredita variabili, tipografia e colori da style.css
   ============================================================ */

/* ---------- Hero: il visore occupa la prima schermata ---------- */
.brundisium-hero{position:relative}
.visore{
  position:relative;width:100%;background:#08131b;overflow:hidden;
  height:calc(100dvh - 64px);min-height:480px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@supports not (height:100dvh){.visore{height:calc(100vh - 64px)}}
#tela-360{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#tela-360.su-virgilio{cursor:pointer}
#tela-360:active{cursor:grabbing}
#tela-360:focus-visible{outline:3px solid var(--glow);outline-offset:-3px}

/* Velo di caricamento: si dissolve quando la texture e' pronta */
.visore::after{
  content:"";position:absolute;inset:0;background:#08131b;z-index:6;
  transition:opacity .5s ease;pointer-events:none;
}
.visore-pronto::after{opacity:0}

/* Veli di leggibilita' per testata e comandi sovrapposti (contrasto AA) */
.velo{position:absolute;left:0;right:0;pointer-events:none;z-index:2}
.velo-alto{top:0;height:44%;
  background:linear-gradient(180deg,rgba(6,13,19,.92) 0%,rgba(6,13,19,.55) 46%,rgba(6,13,19,0) 100%)}
.velo-basso{bottom:0;height:34%;
  background:linear-gradient(0deg,rgba(6,13,19,.92) 0%,rgba(6,13,19,.5) 55%,rgba(6,13,19,0) 100%)}

/* ---------- Testata sovrapposta ---------- */
.visore-testata{
  position:absolute;z-index:3;top:0;left:0;right:0;
  padding:1.1rem clamp(1rem,4vw,3rem) 0;pointer-events:none;
}
.visore-testata a,.visore-testata button{pointer-events:auto}
.briciole-hero{margin:0 0 .9rem;font-size:.8rem;color:#c7d6e0;letter-spacing:.02em}
.briciole-hero a{color:var(--glow);text-decoration:none}
.briciole-hero a:hover{text-decoration:underline}
.visore-testata .kicker{color:var(--terra);margin:0 0 .15rem}
.visore-testata h1{
  font-family:var(--font-display);font-weight:600;color:#fff;
  font-size:clamp(1.55rem,3.6vw,2.7rem);line-height:1.12;
  margin:.2rem 0 .55rem;max-width:22ch;text-wrap:balance;
  text-shadow:0 2px 18px rgba(0,0,0,.55);
}
.visore-testata .lead{
  color:#e3ecf2;max-width:54ch;margin:0;line-height:1.55;
  font-size:clamp(.94rem,1.5vw,1.06rem);
  text-shadow:0 1px 12px rgba(0,0,0,.5);
}

/* ---------- Comandi sovrapposti in basso ---------- */
.visore-comandi{
  position:absolute;z-index:4;left:0;right:0;bottom:0;
  padding:.8rem clamp(1rem,4vw,3rem) 1rem;
}
.avanzamento{
  height:5px;border-radius:999px;background:rgba(255,255,255,.22);
  overflow:hidden;margin:0 0 .8rem;
}
.avanzamento span{
  display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--glow-deep),var(--glow));transition:width .25s linear;
}
.controlli-riga{display:flex;flex-wrap:wrap;gap:.55rem;align-items:center}
.visore-comandi .btn{font-size:.88rem;padding:.6rem 1.05rem}
.visore-comandi .btn[aria-pressed="true"]{box-shadow:0 0 0 2px var(--glow) inset}

/* ---------- Sottotitoli ---------- */
.sottotitoli{
  position:absolute;left:50%;transform:translateX(-50%);
  bottom:7.6rem;width:min(92%,60ch);z-index:3;pointer-events:none;text-align:center;
}
.sottotitoli-testo{
  display:inline-block;margin:0;padding:.5rem .95rem;border-radius:10px;
  background:rgba(6,13,19,.88);color:#fff;
  font-size:clamp(1rem,2.2vw,1.2rem);line-height:1.45;font-weight:600;
  text-wrap:balance;
}
.sottotitoli-testo:empty{display:none}
.a11y-contrasto .sottotitoli-testo{background:#000;border:1px solid #fff}

/* ---------- Modalita' visore VR ---------- */
.vr-overlay{
  position:absolute;inset:0;z-index:7;display:flex;align-items:center;justify-content:center;
  background:rgba(6,13,19,.95);text-align:center;padding:1.2rem;
}
.vr-scena h2{font-family:var(--font-display);font-weight:600;color:#fff;margin:0 0 .7rem;font-size:1.5rem}
.vr-scena p{color:var(--muted-on-dark);max-width:46ch;margin:0 auto 1.1rem;line-height:1.6}
.vr-scena .btn{margin:.25rem}
.vr-num{
  font-family:var(--font-display);font-size:clamp(3.2rem,16vw,6rem);
  color:var(--glow);margin:0 0 .3rem;line-height:1;font-weight:600;
}
.visore:fullscreen{height:100vh !important;min-height:0}
.visore:fullscreen #tela-360{height:100%}

/* ---------- Degrado senza WebGL ---------- */
.visore-degradato{height:auto !important;min-height:0 !important}
.visore-degradato::after,.visore-degradato .velo,.visore-degradato .visore-comandi{display:none}
.visore-degradato #tela-360,.visore-degradato .sottotitoli{display:none}
.visore-degradato .visore-testata{position:static;padding:1.1rem 1.25rem 0;pointer-events:auto}
.visore-fallback{padding:1rem 1.25rem 1.6rem;text-align:center;color:var(--muted-on-dark)}
.visore-fallback img{border-radius:12px;margin:1rem auto;max-width:100%}

/* ---------- Sotto il visore: nota d'uso e trascrizione ---------- */
.nota-uso{
  max-width:var(--maxw);margin:0 auto;padding:1.1rem 1.25rem 0;
  font-size:.85rem;color:var(--muted-on-dark);line-height:1.65;max-width:74ch;
}
.trascrizione{max-width:var(--maxw);margin:1.6rem auto 3rem;padding:0 1.25rem}
.trascrizione h2{font-family:var(--font-display);font-weight:600;font-size:1.35rem;line-height:1.2;margin:0 0 .6rem;color:#fff}
.trascrizione summary{
  cursor:pointer;padding:.85rem 1.1rem;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-border);
  font-weight:700;color:#fff;
}
.trascrizione-corpo{padding:1rem 1.1rem 0;color:var(--muted-on-dark);line-height:1.75;max-width:68ch}
.trascrizione-corpo p{margin:0 0 1rem}
.nota-dato{font-size:.85rem;color:#f4d35e}

/* Il video resta nel DOM ma fuori dalla vista: e' la texture del piano */
.video-sorgente{
  position:absolute;width:1px;height:1px;opacity:0;
  pointer-events:none;left:-9999px;
}

/* ============================================================
   FORMATI
   ============================================================ */

/* Smartphone verticale: testata compatta, comandi a griglia */
@media (max-width:700px){
  .visore{min-height:420px}
  .visore-testata{padding-top:.9rem}
  .visore-testata h1{font-size:1.45rem}
  .visore-testata .lead{font-size:.9rem;max-width:100%}
  .controlli-riga{display:grid;grid-template-columns:1fr 1fr;gap:.45rem}
  .visore-comandi .btn{width:100%;text-align:center;padding:.68rem .4rem;font-size:.8rem}
  .controlli-riga .btn:first-child{grid-column:1 / -1}
  .sottotitoli{bottom:11.6rem;width:94%}
}
/* Schermi molto bassi: il sottotitolo della testata cede spazio alla scena */
@media (max-height:600px){
  .visore-testata .lead{display:none}
  .velo-alto{height:34%}
}
/* Totem verticale: bersagli grandi, niente giroscopio */
@media (min-width:1080px) and (orientation:portrait){
  .controlli-riga{gap:.9rem}
  .visore-comandi .btn{min-height:60px;font-size:1.1rem;padding:.9rem 1.5rem}
  .sottotitoli-testo{font-size:1.45rem;padding:.7rem 1.3rem}
  #c-giroscopio{display:none}
}

/* Movimento ridotto */
@media (prefers-reduced-motion:reduce){
  .visore::after,.avanzamento span{transition:none}
}
.a11y-movimento .visore::after,.a11y-movimento .avanzamento span{transition:none}

/* L'attributo hidden vince sempre sui display dichiarati sopra */
.vr-overlay[hidden],.vr-scena[hidden],#c-vr[hidden],.visore-fallback[hidden]{display:none !important}

/* X di uscita dalla modalita' visore */
.vr-esci{position:absolute;top:.9rem;right:.9rem;z-index:8;width:48px;height:48px;border-radius:50%;
  background:rgba(6,13,19,.78);color:#fff;border:1.5px solid rgba(255,255,255,.55);
  font-size:1.7rem;line-height:1;cursor:pointer;font-family:inherit}
.vr-esci:hover{background:rgba(6,13,19,.95);border-color:#fff}
.vr-esci[hidden]{display:none !important}
.visore:fullscreen .vr-esci{position:fixed}

/* In modalita' visore restano solo la scena e la X di uscita */
.vr-in-corso .visore-testata,.vr-in-corso .visore-comandi,.vr-in-corso .velo{display:none}

/* Modalita visore: pagina ridotta alla sola scena, anche dove il
   fullscreen vero non esiste (iPhone). Header nascosto, scena fissa. */
.vr-doc{overflow:hidden !important}
.vr-doc body{overflow:hidden !important}
.vr-doc .site-header{display:none !important}
.vr-doc .visore{position:fixed !important;inset:0 !important;height:100dvh !important;min-height:0 !important;z-index:500}

/* Telefono tenuto in verticale: scena ruotata in orizzontale forzata */
.vr-ruotato #tela-360{position:absolute;left:50%;top:50%;width:100dvh !important;height:100dvw !important;transform:translate(-50%,-50%) rotate(90deg)}
.vr-ruotato .vr-esci{top:auto;bottom:.9rem;right:.9rem;transform:rotate(90deg)}

/* Consiglio mostrato solo su iPhone fuori dalla modalita schermata Home,
   dove il browser non consente a una pagina di nascondere la propria barra. */
.nota-schermo{
  margin:1.1rem auto 0;max-width:70ch;padding:.85rem 1.1rem;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--muted-on-dark);font-size:.9rem;line-height:1.65;
}
.nota-schermo strong{color:#fff}
.nota-schermo[hidden]{display:none !important}
.vr-doc .nota-schermo{display:none !important}

/* Aree sicure: la X non deve finire sotto il notch o la Dynamic Island */
.vr-esci{top:calc(.9rem + env(safe-area-inset-top));right:calc(.9rem + env(safe-area-inset-right))}
.vr-ruotato .vr-esci{top:auto;bottom:calc(.9rem + env(safe-area-inset-bottom));right:calc(.9rem + env(safe-area-inset-right))}

/* ============================================================
   PLAYER: la scena e l interfaccia
   Comandi ridotti a icone, testi in dissolvenza durante il racconto,
   comandi che si ritraggono dopo 3 s di inattivita.
   ============================================================ */

.visore-comandi .controlli-riga{
  display:flex !important;gap:.7rem;justify-content:center;align-items:center;
  grid-template-columns:none !important;
}
.cmd{
  -webkit-appearance:none;appearance:none;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;padding:0;border-radius:50%;
  background:rgba(8,19,27,.55);color:#fff;
  border:1px solid rgba(255,255,255,.34);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.cmd:hover{background:rgba(8,19,27,.78);border-color:rgba(255,255,255,.6)}
.cmd:active{transform:scale(.94)}
.cmd:focus-visible{outline:3px solid var(--glow);outline-offset:3px}
.cmd .ico{width:22px;height:22px;fill:currentColor;pointer-events:none}
.cmd-grande{width:64px;height:64px;background:rgba(8,19,27,.68);border-color:rgba(255,255,255,.72)}
.cmd-grande .ico{width:28px;height:28px}

/* Stati: una sola icona visibile per volta */
.ico-pausa,.ico-audio-off{display:none}
#c-play[aria-pressed="true"] .ico-play{display:none}
#c-play[aria-pressed="true"] .ico-pausa{display:block}
#c-audio[aria-pressed="false"] .ico-audio-on{display:none}
#c-audio[aria-pressed="false"] .ico-audio-off{display:block}
#c-audio[aria-pressed="false"],#c-sub[aria-pressed="false"]{opacity:.55}
#c-sub[aria-pressed="true"]{border-color:var(--glow);box-shadow:0 0 0 1px var(--glow) inset}

/* Comandi conservati ma fuori dalla vista: restano raggiungibili da
   tastiera e dai lettori di schermo, non occupano spazio visivo. */
.cmd-fuori-vista{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.cmd-fuori-vista:focus{
  position:static;width:auto;height:auto;margin:0;padding:.6rem 1rem;
  clip:auto;clip-path:none;overflow:visible;
  border:1px solid rgba(255,255,255,.4);border-radius:999px;
  background:rgba(8,19,27,.85);color:#fff;font-size:.85rem;
}

/* Filo di avanzamento, non piu barra */
.visore-comandi .avanzamento{height:2px;border-radius:0;margin:0 0 .9rem;background:rgba(255,255,255,.2)}

/* Dissolvenze */
.visore-comandi,.visore-testata{transition:opacity .35s ease,transform .35s ease}
.comandi-via .visore-comandi{opacity:0;transform:translateY(10px);pointer-events:none}
.testi-via .visore-testata{opacity:0;transform:translateY(-10px);pointer-events:none}
.testi-via .velo-alto{opacity:0;transition:opacity .35s ease}
@media (prefers-reduced-motion:reduce){
  .visore-comandi,.visore-testata,.testi-via .velo-alto{transition:none}
}
.a11y-movimento .visore-comandi,.a11y-movimento .visore-testata{transition:none}

/* Smartphone: comandi piu grandi e vicini al pollice */
@media (max-width:1023px){
  .visore-comandi{padding-bottom:calc(1rem + env(safe-area-inset-bottom))}
  .visore-comandi .controlli-riga{gap:.85rem}
  .cmd{width:52px;height:52px}
  .cmd-grande{width:68px;height:68px}
}

/* ============================================================
   TOUR: transizione tra ambienti e stato fuori dalla strada
   ============================================================ */
.velo-cambio{
  position:absolute;inset:0;background:#020609;opacity:0;
  transition:opacity .4s ease;pointer-events:none;z-index:6;
}
.velo-cambio.attivo{opacity:1}
@media (prefers-reduced-motion:reduce){.velo-cambio{transition:none}}

/* Negli ambienti interni la testata della strada non ha senso */
.ambiente-altro .visore-testata{display:none}
.ambiente-altro .velo-alto{opacity:0}

/* Ascolta Virgilio esiste solo sulla strada */
#c-play[disabled]{opacity:.35;cursor:default;pointer-events:none}

/* Sottotitoli mai negli ambienti interni */
.ambiente-altro .sottotitoli{display:none !important}

/* Medaglione con aquila: torna all ambiente precedente, sotto la X */
.torna-indietro{
  position:absolute;top:calc(.9rem + 58px + env(safe-area-inset-top));
  right:calc(.9rem + env(safe-area-inset-right));
  width:48px;height:48px;padding:0;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);cursor:pointer;z-index:8;
  background:rgba(8,19,27,.35);transition:transform .2s ease;
}
.torna-indietro img{display:block;width:100%;height:100%;border-radius:50%}
.torna-indietro:hover{transform:scale(1.06)}
.torna-indietro:focus-visible{outline:3px solid var(--glow);outline-offset:3px}
.torna-indietro[hidden]{display:none !important}
.vr-ruotato .torna-indietro{top:auto;bottom:calc(.9rem + 58px + env(safe-area-inset-bottom));transform:rotate(90deg)}