/* Reset de base pour enlever les marges par défaut */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #0f172a; /* Bleu très foncé */
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb; /* Bleu vif au survol */
}

/* Hero Section (L'accueil) */
.hero {
    height: 100vh; /* Prend toute la hauteur de l'écran */
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1585704032915-c3400ca199e7?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.btn-principal {
    display: inline-block;
    background-color: #2563eb; /* Bleu action */
    color: white;
    padding: 10px 30px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-principal:hover {
    background-color: #1d4ed8;
}

/* Sections générales */
.section-padding {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: #0f172a;
}

/* Grille de services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px); /* Petit effet de levitation */
}

.card h3 {
    margin-bottom: 15px;
    color: #2563eb;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.contact-info {
    margin: 30px 0;
    font-size: 1.1rem;
}

.copyright {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Mobile responsive de base */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .nav-links { display: none; } /* On cache le menu sur mobile pour l'instant pour faire simple */
}