body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #e8f0ff;
    color: #333;
}

header {
    background-color: #003366;
    color: white;
    padding: 15px 30px;
    overflow: hidden;
}

.logo {
    float: left;
    font-size: 28px;
    font-weight: bold;
}

nav {
    float: left;
    margin-left: 40px;
    font-size: 18px;
}

.search {
    float: right;
}

.search input {
    padding: 10px;
    width: 280px;
    border-radius: 20px;
    border: none;
}

.hero {
    background-color: #6688aa;
    padding: 140px 20px;
    text-align: center;
    color: white;
}

.video-fond {
    background: rgba(0,0,0,0.5);
    padding: 80px 40px;
    margin: 0 auto;
    width: 90%;
    max-width: 1000px;
}

.video-fond h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.video-fond h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.video-fond p {
    font-size: 18px;
    margin-bottom: 30px;
}

.video-fond button {
    background-color: #cc0000;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 22px;
    cursor: pointer;
}

.ciblages {
    padding: 60px 30px;
    text-align: center;
    overflow: hidden;
}

.texte-central {
    background-color: #e8f0ff;
    padding: 40px;
    margin: 0 auto 40px auto;
    width: 80%;
    max-width: 900px;
    font-size: 20px;
}

.boutons div {
    float: left;
    width: 23%;
    margin: 1%;
    padding: 25px;
    background-color: #ff9933;
    color: white;
    text-align: center;
}

.chiffres {
    background-color: #e6f2ff;
    padding: 80px 30px;
    text-align: center;
}

.chiffres h2 {
    color: #003366;
}

.chiffres ul {
    list-style: none;
    font-size: 20px;
}

.bas-page {
    overflow: hidden;
    padding: 40px 30px;
}

.bas-page div {
    float: left;
    width: 23%;
    margin: 1%;
    padding: 50px 20px;
    text-align: center;
    color: white;
    min-height: 180px;
}

.jaune {
    background-color: #ffcc33;
}

.bleu {
    background-color: #003366;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 20px;
}