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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Header */
.site-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-weight: 500;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: #2c3e50;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover {
    color: #3498db;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #2c3e50;
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature i {
    font-size: 1.2rem;
    color: #f1c40f;
}

.cta-button {
    display: inline-block;
    background-color: #f1c40f;
    color: #2c3e50;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #f39c12;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.hero-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Problem Section */
.problem-section {
    padding: 4rem 0;
    background-color: #fff;
}

.problem-section h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 2.5rem;
    color: #e74c3c;
    margin-bottom: 1rem;
}

.problem-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Solution Section */
.solution-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.solution-text h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.solution-list {
    margin: 2rem 0;
}

.solution-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.solution-list i {
    color: #27ae60;
    margin-top: 0.25rem;
}

.cta-button.secondary {
    background-color: #3498db;
    color: white;
}

.solution-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Formation Section */
.formation-section {
    padding: 4rem 0;
    background-color: #fff;
}

.formation-section h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.formation-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.module-card {
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.module-card:hover {
    transform: translateY(-5px);
}

.module-number {
    background: #3498db;
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    padding: 1rem;
}

.module-card h3 {
    padding: 1rem 1rem 0.5rem;
    color: #2c3e50;
}

.module-card p {
    padding: 0 1rem 1rem;
    color: #7f8c8d;
}

.module-image {
    height: 200px;
    overflow: hidden;
}

.module-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.module-card:hover .module-img {
    transform: scale(1.05);
}

.formation-cta {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem;
    border-radius: 10px;
}

.formation-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.formation-cta p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button.large {
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
}

.cta-button.large i {
    margin-right: 0.5rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    font-style: italic;
    color: #7f8c8d;
    margin-bottom: 1.5rem;
    position: relative;
}

.testimonial-content::before {
    content: '\201C';
    font-size: 3rem;
    color: #3498db;
    position: absolute;
    top: -1rem;
    left: -0.5rem;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    font-size: 2.5rem;
    color: #3498db;
}

.author-info h4 {
    margin-bottom: 0.25rem;
    color: #2c3e50;
}

.author-info p {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin: 0;
}

/* About Section */
.about-section {
    padding: 4rem 0;
    background-color: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.credentials {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.credential {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.credential i {
    color: #3498db;
    font-size: 1.2rem;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Final CTA Section */
.final-cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
}

.final-cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.final-cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.final-cta-content > p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.final-benefits {
    text-align: left;
    max-width: 600px;
    margin: 2rem auto 3rem;
}

.final-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.final-benefits i {
    color: #f1c40f;
    margin-top: 0.25rem;
}

.cta-button.final {
    background-color: #f1c40f;
    color: #2c3e50;
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
}

.cta-button.final i {
    margin-right: 0.5rem;
}

.cta-guarantee {
    margin-top: 1rem;
    color: #f1c40f;
    font-weight: 600;
}

.cta-guarantee i {
    margin-right: 0.5rem;
}

/* Footer */
.site-footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
}

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

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: #3498db;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #34495e;
    border-radius: 50%;
    color: white;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content,
    .solution-content,
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .hero-features {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-section,
    .problem-section,
    .solution-section,
    .formation-section,
    .testimonials-section,
    .about-section,
    .final-cta-section {
        padding: 3rem 0;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .problem-section h2,
    .formation-section h2,
    .testimonials-section h2 {
        font-size: 1.8rem;
    }
    
    .final-cta-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-text h2 {
        font-size: 1.6rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .formation-cta {
        padding: 2rem 1rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}