/* Définition des variables de couleurs (inspirées par votre logo) */
:root {
    --color-primary: #005a87; /* Bleu foncé */
    --color-accent: #78be20; /* Vert/Jaune d'accent */
    --color-text: #333333;
    --color-background: #f8f8f8;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--color-text);
    line-height: 1.6;
    background-color: white;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* --- Header & Navigation --- */
header {
    background-color: var(--color-primary);
    padding: 10px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Règle pour garantir la taille du logo (80px) */
.logo img {
    max-height: 80px; 
    width: auto;
    display: block;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin-left: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 700;
    padding: 5px 0;
    transition: color 0.3s;
}

nav a:hover, nav a.active {
    color: var(--color-accent);
}

/* --- Hero Section --- */
.hero {
    background-color: var(--color-background);
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    color: var(--color-accent);
    font-size: 1.5em;
    margin-bottom: 5px;
}

.hero h1 {
    color: var(--color-primary);
    font-size: 3em;
    margin-top: 0;
}

/* --- Boutons --- */
.btn {
    display: inline-block;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    margin-top: 20px;
    transition: background-color 0.3s;
}

.btn.primary {
    background-color: var(--color-accent);
    color: white;
}

.btn.primary:hover {
    background-color: #5d9a16; /* Vert plus foncé au survol */
}

.btn.secondary {
    background-color: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn.secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

/* --- Aperçu des services (Cartes) --- */
.services-overview {
    padding: 60px 0;
    text-align: center;
}

.section-title {
    color: var(--color-primary);
    margin-bottom: 40px;
    font-size: 2em;
}

.grid-3 {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap; 
}

.card {
    flex: 1;
    min-width: 280px;
    background: var(--color-background);
    padding: 30px;
    border-top: 5px solid var(--color-accent);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.card h3 {
    color: var(--color-primary);
}

/* --- Footer --- */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 25px 0;
    font-size: 0.9em;
}

footer p {
    margin: 5px 0;
}

/* --- Réactivité (pour téléphones) --- */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    nav ul {
        margin-top: 10px;
    }
    nav ul li {
        display: block;
        margin: 5px 0;
    }
    .grid-3 {
        flex-direction: column;
    }
}