/* --- VARIABLES DE COULEURS BASEES SUR LE LOGO --- */
:root {
    --primary-blue: #1b44b8; /* Bleu du texte ESVS */
    --accent-orange: #e44d26; /* Orange de l'avion/swoosh */
    --accent-green: #7fd13b; /* Vert du globe terrestre */
    --text-dark: #333333;
    --text-light: #666666;
    --bg-white: #ffffff;
    --bg-light: #f4f7f6;
    --whatsapp-green: #25D366;
}

/* --- RESET & TYPOGRAPHIE --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 50px;
}

/* --- HEADER & NAVIGATION --- */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 60px; /* Ajustez la taille du logo ici */
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-orange);
}

/* --- BOUTONS --- */
.btn-primary {
    background-color: var(--accent-orange);
    color: var(--bg-white);
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #c93b18;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: white;
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(rgba(244, 247, 246, 0.9), rgba(244, 247, 246, 0.9)), url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&q=80') center/cover;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.highlight {
    color: var(--primary-blue);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* --- GRILLES (Services & Process) --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

/* --- CARTES SERVICES --- */
.card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    border-bottom: 4px solid var(--primary-blue);
}

.card:hover {
    transform: translateY(-10px);
}

.card-icon {
    font-size: 3rem;
    color: var(--accent-orange);
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    color: var(--primary-blue);
}

/* --- PROCESSUS --- */
.step {
    text-align: center;
    padding: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: var(--bg-white);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
}

.step h4 {
    margin-bottom: 10px;
}

/* --- CONTACT --- */
.contact-container {
    text-align: center;
    background-color: var(--primary-blue);
    color: var(--bg-white);
    padding: 60px;
    border-radius: 15px;
}

.contact-container h2 {
    color: var(--bg-white);
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-container p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.email-contact {
    margin-top: 20px !important;
    font-size: 1rem !important;
}

/* --- FOOTER --- */
footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}

/* --- RESPONSIVE DESIGN (Mobile) --- */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 15px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .contact-container {
        padding: 40px 20px;
    }
}