/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: #2563eb;
}

/* En-tête */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1e40af;
}

.logo span {
    color: #f0b106;
}

/* Section bienvenue */
.welcome-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.welcome-container {
    max-width: 1000px;
    text-align: center;
    color: white;
    padding: 2rem;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.welcome-container h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.welcome-container p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.buttons-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.choice-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    width: 280px;
    background-color: white;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
    color: #1e293b;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.choice-btn:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.choice-btn i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #2563eb;
}

.choice-btn h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1e40af;
}

.choice-btn p {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 1.5rem;
}

.btn-explore {
    background-color: #2563eb;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-explore:hover {
    background-color: #1e40af;
}

/* Pied de page */
footer {
    background-color: #0f172a;
    color: white;
    padding: 1.5rem 5%;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    display: inline-block;
    margin: 0 0.5rem;
    color: #94a3b8;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: white;
}

.copyright {
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .welcome-container h1 {
        font-size: 2rem;
    }
    
    .buttons-container {
        flex-direction: column;
        align-items: center;
    }
    
    .choice-btn {
        width: 100%;
        max-width: 280px;
    }
}