:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #3498db;
    --light: #ecf0f1;
    --success: #27ae60;
    --warning: #f39c12;
    --dark: #2c3e50;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--secondary);
}

.logo span {
    color: var(--primary);
}

.logo-icon {
    color: var(--secondary);
    font-size: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--secondary);
}

.cta-button {
    background-color: var(--secondary);
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #c0392b;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1593941707882-a5bba5338fe2?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.8rem;
    color: white;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    color: var(--light);
}

/* Services */
.section-title {
    text-align: center;
    margin: 60px 0 40px;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    color: #666;
}

/* Analyse Tool */
.analysis-tool {
    background-color: var(--light);
    padding: 60px 0;
    margin: 40px 0;
}

.tool-container {
    background-color: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.tool-container h3 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
}

.form-group select, 
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Open Sans', sans-serif;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.radio-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-option input[type="radio"] {
    width: auto;
}

.btn-group {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    font-family: 'Open Sans', sans-serif;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #ddd;
    color: #333;
}

.btn-secondary:hover {
    background-color: #ccc;
}

/* Stats */
.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    background-color: var(--primary);
    color: white;
    padding: 50px 0;
    margin: 60px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
}

.stat-item p {
    max-width: 200px;
}

/* Tarifs */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 2px solid #eee;
    transition: border-color 0.3s, transform 0.3s;
}

.pricing-card:hover {
    border-color: var(--accent);
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
    position: relative;
}

.pricing-card.featured::before {
    content: 'RECOMMANDÉ';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-header {
    margin-bottom: 25px;
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    font-family: 'Montserrat', sans-serif;
}

.price span {
    font-size: 1rem;
    color: #777;
    display: block;
    margin-top: 5px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.pricing-features li i {
    margin-right: 10px;
}

.pricing-features li i.fa-check {
    color: var(--success);
}

.pricing-features li i.fa-times {
    color: #ccc;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-column p {
    color: #ddd;
    line-height: 1.8;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-column i {
    margin-right: 8px;
    color: var(--secondary);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #445566;
    color: #aaa;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero h2 {
        font-size: 2.2rem;
    }
    
    nav ul {
        gap: 15px;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    nav {
        display: none;
        width: 100%;
        margin-top: 20px;
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .stats {
        flex-direction: column;
    }
    
    .stat-item {
        margin-bottom: 20px;
    }
    
    .tool-container {
        padding: 30px 20px;
    }
    
    .radio-group {
        flex-direction: column;
    }
    
    .btn-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        font-size: 1.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .section-title h2 {
        font-size: 1.5rem;
    }
    
    .service-icon {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2rem;
    }
}