body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to bottom, #38006b, #aa2626);
    color: rgb(53, 197, 190);
    margin: 0;
    padding: 0;
}

header {
    background-color: #5b00c8;
    text-align: center;
    padding: 40px 20px;
}

header h1 {
    font-size: 3em;
    margin: 0;
}

header p {
    font-size: 1.2em;
    margin-top: 10px;
}

nav {
    background-color: #2b007a;
    text-align: center;
    padding: 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover {
    color: #00ffe1;
}

section {
    padding: 50px 20px;
    text-align: center;
}

section h2 {
    font-size: 2em;
    color: #00ffe1;
    margin-bottom: 20px;
}

.image-banner {
    width: 80%;
    max-width: 900px;
    border-radius: 15px;
    box-shadow: 0 0 20px #00ffe1;
    margin-top: 20px;
}

.mode {
    background-color: rgba(255, 255, 255, 0.1);
    margin: 15px auto;
    width: 70%;
    border-radius: 10px;
    padding: 20px;
}

ul {
    list-style: none;
    padding: 0;
    font-size: 1.1em;
}

ul li {
    margin: 10px 0;
}

.bouton {
    background-color: #00ffe1;
    color: black;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 10px;
    display: inline-block;
    margin-top: 20px;
    transition: 0.3s;
}

.bouton:hover {
    background-color: white;
    color: #5b00c8;
}

footer {
    background-color: #1a003f;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
    color: #bbb;
}