/* Style général */
body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

/* Section des logos */
.logo-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #ffffff;
/*  background-color: #f0f4f0; /* Tons verts rappelant le "pays vert" */
}

.logo-provalterbi, .logo-valterbi {
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: 50%;
	    max-width: 150px;
}

/* Image de fond */
.background-image {
    background: url('images/background.jpg') no-repeat center center fixed;
    background-size: cover;
    height: calc(100vh - 100px);
}

/* En-tête */
header {
    text-align: center;
    color: white;
}

header h1 {
    font-size: 2.5rem;
}

header p {
    font-size: 1rem;
}

/* Liens */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.link-box {
    margin: 15px 0;
}

.link-box a {
    text-decoration: none;
    color: white;
    background-color: rgba(0, 128, 0, 0.7);
    padding: 10px 20px;
}

.link-box a:hover {
    background-color: rgba(0, 128, 0, 0.9);
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 0.9rem;
        padding: 0 10px;
    }

    .link-box a {
        font-size: 14px;
        padding: 8px 16px;
    }
}