/* --------- GLOBAL --------- */
body, html {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #000;
}

/* --------- INTRO VIDÉO --------- */
#intro {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  position: absolute;
  z-index: 10;
  pointer-events: none;
}
#startOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: url("assets/intro.jpg") center center no-repeat;
  background-size: cover;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto; /* IMPORTANT pour permettre le clic */
}

#overlayContent {
  z-index: 10000;
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem 3rem;
  border-radius: 10px;
  text-align: center;
}

#enterBtn {
  font-size: 1.5rem;
  padding: 1rem 2rem;
  background-color: white;
  color: black;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}


/* --------- SCÈNE PARALLAXE --------- */
#scene {
  width: 100vw;
  height: 100vh;
  position: relative;
  display: none;
  overflow: hidden;
  background: #000;
  /* pointer-events: none; ← à activer si tu ne veux aucune interaction */
}

/* --------- CALQUES PARALLAXE --------- */
.layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.layer img {
  width: 100%;
  height: auto;
  display: block;
}

/* Empilement des plans */
.layer:nth-child(1) { z-index: 50; }
.layer:nth-child(2) { z-index: 40; }
.layer:nth-child(3) { z-index: 30; }
.layer:nth-child(4) { z-index: 20; }
.layer:nth-child(5) { z-index: 10; }

/* --------- ZEPPELIN --------- */
#zeppelin {
  position: absolute;
  top: 30%;
  width: 200px;
  animation: fly 20s linear infinite;
  z-index: 110;
}
@keyframes fly {
  from { right: -250px; }
  to { right: 110vw; }
}

/* --------- ANIMATIONS VIDÉO --------- */
#animations {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-eve