/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.3;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

.nav-links a:hover {
    color: #4a6cf7;
}

.auth-buttons {
    display: flex;
    gap: 15px;
}

/* Boutons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background-color: #4a6cf7;
    color: white;
}

.btn-primary:hover {
    background-color: #3a5ce5;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 108, 247, 0.3);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #4a6cf7;
    color: #4a6cf7;
}

.btn-outline:hover {
    background-color: #4a6cf7;
    color: white;
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
}

/* Hero section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}

.hero-content h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #2c3e50;
}

.hero-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Features section */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4a6cf7, #3a5ce5);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-card ul {
    list-style: none;
}

.feature-card ul li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.feature-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4a6cf7;
    font-weight: bold;
}

/* How it works section */
.how-it-works {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    margin: 40px 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2c3e50;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4a6cf7, #3a5ce5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(74, 108, 247, 0.3);
}

.step h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.step p {
    color: #666;
    font-size: 14px;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-section p, .footer-section a {
    color: #bdc3c7;
    margin-bottom: 10px;
    display: block;
    text-decoration: none;
}

.footer-section a:hover {
    color: white;
}

.footer-section i {
    margin-right: 10px;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .nav-links {
        display: none;
    }
    
    .features h2,
    .how-it-works h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .auth-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}
/* CSS Document */