body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(#1a2c30, #1c8a9d);
    color: white;
    text-align: center;
    position: relative;
}

.logo {
    width: 200px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}

h2 {
    font-size: 40px;
    margin: 10px 0;
    color: #F7B733;
}

.slogan {
    font-size: 18px;
}

main {
    flex: 1;
    padding: 40px;
}

.description {
    max-width: 600px;
    margin: auto;
}

.boutons {
    margin-top: 30px;
}

.montagnes {
    position: absolute;
    bottom: 120px; /* EXACTEMENT la hauteur du sol */
    width: 300px;
    height: auto;
    z-index: 1;
}

.btn {
    display: inline-block;
    margin: 10px;
    padding: 15px 30px;
    background-color: #F7B733;
    color: black;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    border: 2px solid black;
}

.btn:hover {
    background-color: #b8831a;
    border: 2px solid black;
}

.footer {
    width: 100%;
    height: 240px;
    background-image: url("./img/platform.png");
    background-repeat: repeat-x;
    background-position: bottom;
    background-size: auto 120px;
}