#loading{
    background-color: black;
}
#chargement{
    margin-top: 15%;
}
.planetes{
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}
.planete{
    width: 120px;
    opacity: 0.1; /* invisible au départ */
    transition: opacity 0.3s;
    padding: 40px;
}

.progress {
  width: 400px;
  height: 16px;
  background: rgba(255,255,255,0.2);
  margin: 40px auto;
  border-radius: 10px;
  overflow: hidden;
}
.bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #00ffcc, #0066ff);
  animation: load 3s forwards;
}

#main-menu{
    background-image: url(imagesDesign/fond.png);
    background-repeat: no-repeat;
}
#menu{
    margin-top: 80px;
}
#menu img{
    margin-top: 50px;
    margin-left: 25%;
    width: 50%;
}
.buttons{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px; 
    margin-top: 20px;
}
.btn{
    width: 207px;
    height: 65px;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: 4px solid white;
    outline-offset: -5px;
    background-color: transparent; 
    color: #F5F5F5;
    font-family: 'Inter', sans-serif;
    font-size: 30px;
    font-weight: 3;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
}