body {
    overflow: hidden;
}

#passerAnimation {
    position: absolute;
    bottom: 100px;
    right: 50px;
    font-size: 1.5rem;
    border-radius: 20px;
    width: 500px;
    height: 100px;
    box-shadow: 5px 5px 5px var(--border-color);
}

#animation {
    width: 100vw;
    height: 100vh;
    overflow: hidden;

    display: flex;
    align-items: center;     /* vertical */
    justify-content: center; /* horizontal */
}

#logoAnimation {
  z-index: 1;
  position: absolute;
  left: calc(50vw - 250px);
}

#logoAnimation.step1 {
  width: 500px;
  height: 275px;

  background-image: url("../images/accueil/animation.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;

  animation: zoomLogo 1s ease-out forwards;
  will-change: transform, background-size;
}

#papillonAnimation {
  width: 500px;
  height: 275px;
  z-index: 999;
  position: relative;
  left: 0px;
  top: 0px;
}

#papillonAnimation.step2 {
  animation: movePapillon 5s linear forwards;
  will-change: transform, background-size;
}

#papillon {
  opacity: 0;
  right: 0;
  bottom: 0;
  display: block;
}

#papillon.step2 {
  position: absolute;
  width: 98.6px;
  height: auto;
  
  animation: zoomPapillon 5s linear forwards;
  will-change: transform, background-size;
}

#logoAnimation.stepFinal {
  width: 500px;
  height: 275px;

  background-image: url("../images/accueil/final.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;

  animation: translateLogo 1s ease-out forwards;
  will-change: transform, background-size;

}


@keyframes zoomLogo {
  from {
    background-image: url("../images/accueil/animation.png");
    background-size: 0%;
    transform: translate(0, 0);
  }

  to {
    background-image: url("../images/accueil/animation.png");
    background-size: 100%;
    transform: translate(0, 0);
  }
}

@keyframes movePapillon {
  0% {
    transform: translate(50vw, -50vh);
  }
  30% {
    transform: translate(0, -200px);
  }
  35% {
    transform: translate(-50px, -230px); 
  }
  45% {
    transform: translate(-200px, -240px); 
  }
  55% {
    transform: translate(-350px, -230px); 
  }
  60% {
    transform: translate(-400px, -170px); 
  }
  65% {
    transform: translate(-450px, -100px); 
  }
  70% {
    transform: translate(-400px, -10px); 
  }
  75% {
    transform: translate(-350px, 0px); 
  }
  80% {
    transform: translate(-250px, 10px); 
  }
  85% {
    transform: translate(-150px, -0px); 
  }
  90% {
    transform: translate(-40px, -30px); 
  }
  100% {
    transform: translate(0px, -60px); 
  }
}

@keyframes zoomPapillon {
  /* 2️⃣ Changement d’image (instantané) */
  0% {
    opacity: 1;
    transform: scaleX(-0.5);
  }
  30% {
    opacity: 1;
    transform: scaleX(-1); /* point cible */
  }
  65% {
    opacity: 1;
    transform: scaleX(-1); /* point cible */
  }
  66% {
    opacity: 1;
    transform: scaleX(1); /* point cible */
  }
  100% {
    opacity: 1;
    transform: scaleX(1); /* point cible */
  }
  
}

@keyframes translateLogo {
  /* 2️⃣ Changement d’image (instantané) */
  0% {
    background-image: url("../images/accueil/final.png");
    background-size: 500px 275px;
    transform: translate(0, 0);
  }

  /* 3️⃣ Translation vers un point défini */
  99% {
    background-image: url("../images/accueil/final.png");
        
    /* 👇 taille finale exacte */
    background-size: 145px 80px;

    /* 👇 position finale de l’image dans le conteneur */
    background-position: center top;

    transform: translateX(0) translateY(calc(-50vh + 137.5px)); /* point cible */
  }

  100% {
    background-image: url("../images/logo.png");
        
    /* 👇 taille finale exacte */
    background-size: 145px 80px;

    /* 👇 position finale de l’image dans le conteneur */
    background-position: center top;

    transform: translateX(0) translateY(calc(-50vh + 137.5px)); /* point cible */
  }
}

@media (max-width: 1200px) {
  #passerAnimation {
    position: absolute;
    bottom: 50px;
    right: 25px;
    font-size: 0.7rem;
    border-radius: 5px;
    width: 250px;
    height: 50px;
    box-shadow: 5px 5px 5px var(--border-color);
}

  #logoAnimation {
    z-index: 1;
    position: absolute;
    left: calc(50vw - 125px);
  }

  #logoAnimation.step1 {
    width: 250px;
    height: 137.5px;

    background-image: url("../images/accueil/animation.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;

    animation: zoomLogo_Mob 1s ease-out forwards;
    will-change: transform, background-size;
  }

  #papillonAnimation {
    width: 250px;
    height: 137.5px;
    z-index: 999;
    position: relative;
    left: 0px;
    top: 0px;
  }

  #papillonAnimation.step2 {
    animation: movePapillon_Mob 5s linear forwards;
    will-change: transform, background-size;
  }

  #papillon {
    opacity: 0;
    right: 0;
    bottom: 0;
    display: block;
  }

  #papillon.step2 {
    position: absolute;
    width: 49.3px;
    height: auto;
    
    animation: zoomPapillon_Mob 5s linear forwards;
    will-change: transform, background-size;
  }

  #logoAnimation.stepFinal {
    width: 250px;
    height: 137.5px;

    background-image: url("../images/accueil/final.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;

    animation: translateLogo_Mob 1s ease-out forwards;
    will-change: transform, background-size;

  }
}


@keyframes zoomLogo_Mob {
  from {
    background-image: url("../images/accueil/animation.png");
    background-size: 0%;
    transform: translate(0, 0);
  }

  to {
    background-image: url("../images/accueil/animation.png");
    background-size: 100%;
    transform: translate(0, 0);
  }
}

@keyframes movePapillon_Mob {
  0% {
    transform: translate(50vw, -50vh);
  }
  30% {
    transform: translate(0, -100px);
  }
  35% {
    transform: translate(-25px, -115px); 
  }
  45% {
    transform: translate(-100px, -120px); 
  }
  55% {
    transform: translate(-175px, -115px); 
  }
  60% {
    transform: translate(-200px, -85px); 
  }
  65% {
    transform: translate(-225px, -50px); 
  }
  70% {
    transform: translate(-200px, -5px); 
  }
  75% {
    transform: translate(-175px, 0px); 
  }
  80% {
    transform: translate(-125px, 5px); 
  }
  85% {
    transform: translate(-75px, -0px); 
  }
  90% {
    transform: translate(-20px, -15px); 
  }
  100% {
    transform: translate(0px, -30px); 
  }
}

@keyframes zoomPapillon_Mob {
  /* 2️⃣ Changement d’image (instantané) */
  0% {
    opacity: 1;
    transform: scaleX(-0.5);
  }
  30% {
    opacity: 1;
    transform: scaleX(-1); /* point cible */
  }
  65% {
    opacity: 1;
    transform: scaleX(-1); /* point cible */
  }
  66% {
    opacity: 1;
    transform: scaleX(1); /* point cible */
  }
  100% {
    opacity: 1;
    transform: scaleX(1); /* point cible */
  }
  
}

@keyframes translateLogo_Mob {
  /* 2️⃣ Changement d’image (instantané) */
  0% {
    background-image: url("../images/accueil/final.png");
    background-size: 259px 137.5px;
    transform: translate(0, 0);
  }

  /* 3️⃣ Translation vers un point défini */
  99% {
    background-image: url("../images/accueil/final.png");
        
    /* 👇 taille finale exacte */
    background-size: 72.5px 40px;

    /* 👇 position finale de l’image dans le conteneur */
    background-position: center top;

    transform: translateX(0) translateY(calc(-50vh + 68.75px)); /* point cible */
  }

  100% {
    background-image: url("../images/logo.png");
        
    /* 👇 taille finale exacte */
    background-size: 72.5px 40px;

    /* 👇 position finale de l’image dans le conteneur */
    background-position: center top;

    transform: translateX(0) translateY(calc(-50vh + 68.75px)); /* point cible */
  }
}