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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f0f0;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Style pour l'en-tête du site avec un effet triangulaire */
header {
    background-color: #1a237e;
    color: white;
    padding: 40px 20px;
    text-align: center;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
}

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

header p {
    margin-top: 10px;
    font-size: 14px;
    color: #e0e0e0;
}

/* Style pour la navigation */
nav {
    background-color: #ffeb3b;
    padding: 20px;
    text-align: center;
    margin-top: -40px;
    clip-path: polygon(0 0, 100% 20%, 100% 100%, 0 80%);
}

nav a {
    color: #1a237e;
    text-decoration: none;
    padding: 15px 30px;
    margin: 0 15px;
    background-color: #fbc02d;
    border-radius: 0;
    display: inline-block;
    transition: background-color 0.3s;
    font-size: 18px;
    border: 2px solid transparent;
}

nav a:hover {
    background-color: #f57f17;
    border: 2px solid #1a237e;
}

/* Style pour le contenu de la page */
.content {
    padding: 50px 20px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    clip-path: polygon(0 0, 100% 10%, 100% 100%, 0 90%);
    margin-top: 50px;
}

.content h2 {
    font-size: 30px;
    margin-bottom: 40px;
    color: #1a237e;
}

.content img {
    max-width: 100%;
    height: auto;
    margin-bottom: 30px;
    border-radius: 0;
    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 avec forme triangulaire */
footer {
    background-color: #1a237e;
    color: white;
    text-align: center;
    padding: 20px;
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
    position: relative;
    bottom: 0;
    width: 100%;
    font-size: 14px;
}

/* 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%;
    }
}