/* Réinitialisation et base */
body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #ffffff;
}

/* Couleurs */
:root {
    --primary-color: #2E7D32; /* Vert du logo */
    --secondary-color: #C5E1A5; /* Vert clair */
    --accent-color: #FFC107; /* Jaune/orange */
    --text-color: #333;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* En-tête */
.header {
    padding: 2rem;
    background-color: var(--white);
    border-bottom: 2px solid #eee;
}

.header-content {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.logo {
    width: 300px;
    height: auto;
    margin-right: 2rem;
}

.slogan {
    font-family: 'Luckiest Guy', cursive;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 0;
    text-align: center;
    flex: 1;
}

/* Menu */
.menu ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: var(--light-bg);
    border-radius: 5px;
}

.menu li {
    margin: 0 1rem;
}

.menu a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    padding: 0.5rem 1rem;
    display: block;
    transition: color 0.3s;
}

.menu a:hover {
    color: var(--accent-color);
}

/* Sections générales */
.section {
    padding: 3rem 1rem;
    max-width: 1200px;
    margin: auto;
    text-align: center;
}

.section h2 {
    font-family: 'Luckiest Guy', cursive;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* Section "Fonctionnalités" */
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    flex: 1 1 300px;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 2px solid var(--accent-color);
}

.feature h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

/* Section "Démo" */
.demo-section {
    padding: 4rem 1rem;
    background-color: var(--light-bg);
}

.demo-screenshot {
    max-width: 80%;
    height: auto;
    border-radius: 10px;
    margin: 1rem auto;
    display: block;
    border: 3px solid var(--accent-color);
}

/* Section "Contact" */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.social-links {
    margin-top: 2rem;
}

.social-links a {
    margin: 0 0.5rem;
    color: var(--primary-color);
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Bouton */
.btn {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.btn:hover {
    background-color: #FFB300;
}

/* Pied de page */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
}

.footer a {
    color: var(--white);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    .logo {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    .slogan {
        font-size: 2rem;
        text-align: center;
    }
    .menu ul {
        flex-direction: column;
        align-items: center;
    }
    .menu li {
        margin: 0.5rem 0;
    }
    .features {
        flex-direction: column;
    }
}