/* Reset pour harmoniser le style entre les navigateurs */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', sans-serif;
    background-color: #e0f7fa;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Style pour l'en-tête du site */
header {
    background-color: #0288d1;
    color: white;
    padding: 30px 10px;
    text-align: center;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

header p {
    margin-top: 10px;
    font-size: 14px;
    color: #e0f7fa;
}

/* Style pour la navigation */
nav {
    background-color: #4fc3f7;
    padding: 20px;
    text-align: center;
    border-radius: 40px;
    margin: 30px 10px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    margin: 0 10px;
    background-color: #29b6f6;
    border-radius: 25px;
    display: inline-block;
    transition: background-color 0.3s;
    font-size: 18px;
    border: 2px solid transparent;
}

nav a:hover {
    background-color: #0277bd;
    border: 2px solid white;
}

/* Style pour le contenu de la page */
.content {
    padding: 50px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 40px;
}

.content h2 {
    font-size: 30px;
    margin-bottom: 40px;
    color: #0288d1;
}

.content img {
    max-width: 85%;
    height: auto;
    margin-bottom: 30px;
    border-radius: 30px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: center;
}

/* Style pour le pied de page */
footer {
    background-color: #0288d1;
    color: white;
    text-align: center;
    padding: 20px;
    position: relative;
    bottom: 0;
    width: 100%;
    font-size: 14px;
    border-top-left-radius: 50px;
    border-top-right-radius: 50px;
}

/* Responsive design */
@media screen and (max-width: 768px) {
    nav a {
        display: block;
        margin: 10px 0;
        padding: 12px;
        font-size: 16px;
    }

    .content h2 {
        font-size: 24px;
    }

    .content img {
        max-width: 100%;
    }
}