/*
 * AnimaMédia — introduction d’accueil.
 * Feuille additionnelle : conserver la géométrie de la page et des cibles.
 * Le conducteur place les classes d’étape sur <html> et fournit les délais
 * sous forme de durées CSS : --ai-delai: 0.16s.
 */

html.ai-attente,
html.ai-intro:not(.ai-fin) {
  overflow: hidden;
  overscroll-behavior: none;
}

html.ai-attente body > header,
html.ai-attente body > main,
html.ai-attente body > footer {
  visibility: hidden;
}

html.ai-intro body > header,
html.ai-intro body > main,
html.ai-intro body > footer {
  visibility: visible;
}

html.ai-intro:not(.ai-fin) body > header,
html.ai-intro:not(.ai-fin) body > main,
html.ai-intro:not(.ai-fin) body > footer {
  pointer-events: none;
  user-select: none;
}

/* Les moteurs disposent de surfaces pleines, sans transformation CSS. */
#anima-intro {
  --ai-blanc: #f7f3ff;
  --ai-violet: #bd9aff;
  --ai-gris: #beb2d0;
  position: fixed;
  inset: 0;
  z-index: 10000;
  overflow: hidden;
  isolation: isolate;
  color: var(--ai-blanc);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  pointer-events: none;
  opacity: 1;
  visibility: visible;
  -webkit-tap-highlight-color: transparent;
}

#anima-intro,
#anima-intro * {
  box-sizing: border-box;
}

#anima-intro [hidden] {
  display: none !important;
}

#anima-intro .ai-rideau,
#anima-intro .ai-etoiles,
#anima-intro .ai-scene-logo,
#anima-intro .ai-terre {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  pointer-events: none;
}

#anima-intro .ai-rideau {
  z-index: 0;
  background: #030207;
  opacity: 1;
  transition: opacity 1s ease;
}

#anima-intro .ai-etoiles {
  z-index: 1;
  display: block;
  opacity: 0.88;
  transition: opacity 1.2s ease;
}

#anima-intro .ai-terre {
  z-index: 2;
  display: block;
}

#anima-intro .ai-scene-logo {
  z-index: 3;
  overflow: hidden;
}

html.ai-intro.ai-interface #anima-intro .ai-rideau {
  opacity: 0;
}

html.ai-intro.ai-carte #anima-intro .ai-etoiles {
  opacity: 0.22;
}

html.ai-intro.ai-liste #anima-intro .ai-etoiles {
  opacity: 0;
}

/* Porte d’entrée : le logo et sa signature gardent la première place. */
#anima-intro .ai-porte {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-content: center;
  align-content: safe center;
  justify-items: center;
  gap: 18px 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: max(76px, env(safe-area-inset-top)) 28px max(78px, env(safe-area-inset-bottom));
  text-align: center;
  background: radial-gradient(ellipse at 50% 42%, #6131b624 0, #27113f0a 38%, transparent 68%);
  pointer-events: auto;
}

#anima-intro .ai-porte > img,
#anima-intro .ai-porte > h2,
#anima-intro .ai-porte > p {
  grid-column: 1 / -1;
}

#anima-intro .ai-porte > img {
  display: block;
  width: min(650px, 74vw);
  max-width: 100%;
  height: auto;
  margin: 0;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 32px #9561e72b);
}

#anima-intro .ai-porte > h2 {
  max-width: 920px;
  margin: 0;
  font: 400 clamp(19px, 2.2vw, 30px) / 1.5 Goldman, Arial, sans-serif;
  letter-spacing: 0.035em;
  text-wrap: balance;
  color: var(--ai-blanc);
  text-shadow: 0 0 26px #b291ed20;
}

#anima-intro .ai-porte > p {
  max-width: 620px;
  margin: 0 0 8px;
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.8;
  color: var(--ai-gris);
  text-wrap: pretty;
}

#anima-intro button {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  pointer-events: auto;
}

#anima-intro .ai-porte > button {
  grid-row: 4;
  min-height: 48px;
  padding: 14px 22px;
  border: 1px solid #dbc9ff45;
  border-radius: 999px;
  font: 400 12px / 1.5 Goldman, Arial, sans-serif;
  letter-spacing: 0.025em;
  text-align: center;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

#anima-intro #ai-entrer {
  grid-column: 1;
  justify-self: end;
  background: linear-gradient(120deg, #6738bf, #9360e4);
  border-color: #c5a5ff99;
  box-shadow: 0 0 30px #9c63f329, inset 0 1px 0 #ffffff1c;
  color: #fff;
}

#anima-intro #ai-sans-son {
  grid-column: 2;
  justify-self: start;
  background: #120a21b3;
  color: #d5c7e8;
}

#anima-intro .ai-porte > button:hover:not(:disabled) {
  border-color: #e1d2ffb3;
  transform: translateY(-1px);
  box-shadow: 0 0 32px #b288fa30;
}

#anima-intro #ai-sans-son:hover:not(:disabled) {
  background: #221137;
  color: #fff;
}

#anima-intro .ai-porte > button:active:not(:disabled) {
  transform: translateY(0);
}

#anima-intro button:disabled {
  opacity: 0.46;
  cursor: wait;
  box-shadow: none;
}

/* Les surfaces de rendu ne capturent aucun geste ; seuls les boutons le font. */
#anima-intro .ai-commandes {
  position: absolute;
  top: max(18px, env(safe-area-inset-top));
  right: max(22px, env(safe-area-inset-right));
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
  max-width: calc(100% - 36px);
  pointer-events: none;
}

#anima-intro .ai-commandes button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 88px;
  padding: 11px 16px;
  border: 1px solid #d2b7ff3d;
  border-radius: 999px;
  background: #0e081bcc;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font: 400 11px / 1.5 Goldman, Arial, sans-serif;
  letter-spacing: 0.035em;
  color: #eadfff;
  transition: background 180ms ease, border-color 180ms ease;
}

#anima-intro .ai-commandes button:hover {
  background: #25133ce8;
  border-color: #c4a1ff99;
}

#anima-intro button:focus-visible,
#ai-rejouer:focus-visible {
  outline: 2px solid #f5ecff;
  outline-offset: 5px;
  border-color: #c6a4ff;
}

#anima-intro .ai-legende,
#anima-intro .ai-statut {
  position: absolute;
  left: 50%;
  z-index: 7;
  width: max-content;
  max-width: min(860px, calc(100% - 44px));
  margin: 0;
  transform: translateX(-50%);
  text-align: center;
  text-shadow: 0 1px 8px #030207, 0 0 22px #030207;
  overflow-wrap: anywhere;
  pointer-events: none;
}

#anima-intro .ai-legende {
  bottom: calc(48px + env(safe-area-inset-bottom));
  font: 400 10px / 1.8 Goldman, Arial, sans-serif;
  letter-spacing: 0.18em;
  color: #cfb8f4;
  transition: opacity 450ms ease;
}

html.ai-attente #anima-intro .ai-legende {
  opacity: 0;
}

#anima-intro .ai-statut {
  bottom: calc(18px + env(safe-area-inset-bottom));
  font-size: 12px;
  line-height: 1.7;
  color: #a99cbb;
}

#anima-intro .ai-statut:empty {
  visibility: hidden;
}

/* Révélation de la page : aucune règle ne retire ses éléments du flux. */
html.ai-intro .entete {
  opacity: 0;
  transform: translateY(-7px);
  transition: opacity 700ms ease, transform 700ms ease;
}

html.ai-intro .titre-monde .logo,
html.ai-intro .ouverture .logo {
  opacity: 0;
  transition: opacity 320ms ease;
}

html.ai-intro .titre-monde .sous-titre,
html.ai-intro .ouverture .sous-titre,
html.ai-intro .devise,
html.ai-intro .zones {
  opacity: 0;
  transition: opacity 800ms ease;
}

html.ai-intro.ai-interface .entete {
  opacity: 1;
  transform: none;
}

html.ai-intro.ai-interface .titre-monde .sous-titre,
html.ai-intro.ai-interface .ouverture .sous-titre,
html.ai-intro.ai-interface .devise,
html.ai-intro.ai-interface .zones {
  opacity: 1;
}

html.ai-intro.ai-logo-place .titre-monde .logo,
html.ai-intro.ai-logo-place .ouverture .logo {
  opacity: 1;
}

/* Les transform SVG de monde.js restent intacts : seule l’opacité évolue. */
html.ai-intro #grossier,
html.ai-intro #fine,
html.ai-intro #presse,
html.ai-intro #cibles .cible {
  opacity: 0;
  transition: opacity 650ms ease;
}

html.ai-intro.ai-carte #grossier,
html.ai-intro.ai-carte #fine {
  opacity: 1;
}

html.ai-intro.ai-points #presse {
  opacity: 1;
}

html.ai-intro #cibles .cible {
  transition-duration: 500ms;
}

html.ai-intro.ai-points #cibles .cible {
  opacity: 1;
  transition-delay: var(--ai-delai, 0s);
}

html.ai-intro .compteurs {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 700ms ease, transform 700ms ease;
}

html.ai-intro.ai-compteurs .compteurs {
  opacity: 1;
  transform: none;
}

html.ai-intro .colonne,
html.ai-intro .scene,
html.ai-intro .rayon,
html.ai-intro .manifeste {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 750ms ease, transform 750ms ease;
}

html.ai-intro .depeche {
  opacity: 0;
  transform: translateY(9px);
  transition: opacity 600ms ease, transform 600ms ease, background 200ms ease;
}

html.ai-intro.ai-liste .colonne,
html.ai-intro.ai-liste .scene,
html.ai-intro.ai-liste .rayon,
html.ai-intro.ai-liste .manifeste {
  opacity: 1;
  transform: none;
}

html.ai-intro.ai-liste .depeche {
  opacity: 1;
  transform: none;
  transition-delay: var(--ai-delai, 0s), var(--ai-delai, 0s), 0s;
}

/* Sortie sûre, y compris si l’utilisateur passe avant la fin du conducteur. */
html.ai-intro.ai-fin .entete,
html.ai-intro.ai-fin .titre-monde .logo,
html.ai-intro.ai-fin .titre-monde .sous-titre,
html.ai-intro.ai-fin .ouverture .logo,
html.ai-intro.ai-fin .ouverture .sous-titre,
html.ai-intro.ai-fin .devise,
html.ai-intro.ai-fin .zones,
html.ai-intro.ai-fin #grossier,
html.ai-intro.ai-fin #fine,
html.ai-intro.ai-fin #presse,
html.ai-intro.ai-fin #cibles .cible,
html.ai-intro.ai-fin .compteurs,
html.ai-intro.ai-fin .colonne,
html.ai-intro.ai-fin .scene,
html.ai-intro.ai-fin .rayon,
html.ai-intro.ai-fin .manifeste,
html.ai-intro.ai-fin .depeche {
  opacity: 1;
  transition-delay: 0s;
}

html.ai-intro.ai-fin .entete,
html.ai-intro.ai-fin .compteurs,
html.ai-intro.ai-fin .colonne,
html.ai-intro.ai-fin .scene,
html.ai-intro.ai-fin .rayon,
html.ai-intro.ai-fin .manifeste,
html.ai-intro.ai-fin .depeche {
  transform: none;
}

html.ai-fin #anima-intro {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 480ms ease, visibility 0s linear 480ms;
}

html.ai-fin #anima-intro button {
  pointer-events: none;
}

/* Discret et hors de la grille existante de l’en-tête.
 * Le positionnement par le haut en unités de fenêtre évite le piège du
 * bloc contenant créé par backdrop-filter sur un en-tête parent.
 */
#ai-rejouer {
  position: fixed;
  top: calc(100vh - 50px - env(safe-area-inset-bottom));
  top: calc(100dvh - 50px - env(safe-area-inset-bottom));
  left: max(14px, env(safe-area-inset-left));
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  max-width: calc(100vw - 28px);
  height: 36px;
  margin: 0;
  padding: 8px 13px;
  border: 1px solid #ba98e938;
  border-radius: 999px;
  background: #0b0612e6;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #bca7d2;
  font: 400 10px / 1.5 Goldman, Arial, sans-serif;
  letter-spacing: 0.025em;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 3px 18px #03020759;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

#ai-rejouer:hover {
  color: #f7f0ff;
  border-color: #c5a5f378;
  background: #1c0f2be8;
}

html.ai-attente #ai-rejouer,
html.ai-intro:not(.ai-fin) #ai-rejouer {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 600px) {
  #anima-intro .ai-porte {
    gap: 15px;
    padding: max(76px, env(safe-area-inset-top)) 22px max(76px, env(safe-area-inset-bottom));
  }

  #anima-intro .ai-porte > img {
    width: min(390px, 90vw);
  }

  #anima-intro .ai-porte > h2 {
    font-size: clamp(17px, 4.7vw, 22px);
    line-height: 1.6;
    letter-spacing: 0.01em;
  }

  #anima-intro .ai-porte > p {
    max-width: 350px;
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 5px;
  }

  #anima-intro .ai-porte > button {
    grid-column: 1 / -1;
    justify-self: center;
    width: min(100%, 310px);
    min-height: 47px;
    padding: 13px 17px;
    font-size: 11px;
  }

  #anima-intro #ai-entrer {
    grid-column: 1 / -1;
    grid-row: 4;
    justify-self: center;
  }

  #anima-intro #ai-sans-son {
    grid-column: 1 / -1;
    grid-row: 5;
    justify-self: center;
  }

  #anima-intro .ai-commandes {
    top: max(12px, env(safe-area-inset-top));
    right: max(13px, env(safe-area-inset-right));
    gap: 7px;
    max-width: calc(100% - 26px);
  }

  #anima-intro .ai-commandes button {
    min-width: 82px;
    padding: 10px 13px;
    font-size: 10px;
  }

  #anima-intro .ai-legende {
    max-width: calc(100% - 36px);
    font-size: 9px;
    letter-spacing: 0.11em;
    line-height: 1.7;
  }

  #anima-intro .ai-statut {
    font-size: 11px;
  }

  #ai-rejouer {
    left: max(11px, env(safe-area-inset-left));
    padding-inline: 11px;
    font-size: 9px;
  }
}

@media (max-height: 520px) {
  #anima-intro .ai-porte {
    align-content: start;
    gap: 12px;
    padding-top: 70px;
  }

  #anima-intro .ai-porte > img {
    width: min(350px, 52vw);
  }

  #anima-intro .ai-porte > h2 {
    font-size: 18px;
  }

  #anima-intro .ai-porte > p {
    font-size: 12px;
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  #anima-intro *,
  #ai-rejouer,
  html.ai-intro .entete,
  html.ai-intro .titre-monde .logo,
  html.ai-intro .titre-monde .sous-titre,
  html.ai-intro .ouverture .logo,
  html.ai-intro .ouverture .sous-titre,
  html.ai-intro .devise,
  html.ai-intro .zones,
  html.ai-intro #grossier,
  html.ai-intro #fine,
  html.ai-intro #presse,
  html.ai-intro #cibles .cible,
  html.ai-intro .compteurs,
  html.ai-intro .colonne,
  html.ai-intro .scene,
  html.ai-intro .rayon,
  html.ai-intro .manifeste,
  html.ai-intro .depeche {
    animation: none !important;
    transition-duration: 1ms !important;
    transition-delay: 0s !important;
  }

  #anima-intro .ai-porte > button:hover:not(:disabled),
  html.ai-intro .entete,
  html.ai-intro .compteurs,
  html.ai-intro .colonne,
  html.ai-intro .scene,
  html.ai-intro .rayon,
  html.ai-intro .manifeste,
  html.ai-intro .depeche {
    transform: none;
  }
}