/* Reset et variables CSS */
:root {
    --primary-color: #2d5016;
    --secondary-color: #4a7c59;
    --accent-color: #f4a261;
    --light-color: #f8f9fa;
    --dark-color: #1a1a1a;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2px;
}

.nav-brand .tagline {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 400;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.btn {
    padding: 15px 30px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-placeholder {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-placeholder span {
    font-size: 4rem;
    margin-bottom: 10px;
}

.hero-placeholder p {
    opacity: 0.8;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.about-card {
    padding: 40px 30px;
    background: var(--light-color);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.about-quote {
    background: var(--light-color);
    padding: 30px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent-color);
}

.about-quote blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.about-quote cite {
    font-weight: 600;
    color: var(--primary-color);
}

/* Chapters Section */
.chapters {
    padding: 100px 0;
    background: var(--light-color);
}

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

.chapter-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.chapter-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.chapter-number {
    position: absolute;
    top: -15px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.chapter-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    padding-top: 20px;
}

.chapter-card p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.6;
}

.chapter-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.chapter-link:hover {
    color: var(--primary-color);
}

.chapter-card.full-width {
    grid-column: 1 / -1;
    max-width: 800px;
    margin: 0 auto;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: white;
}

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

.testimonial-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent-color);
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author strong {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
    line-height: 1.6;
}

.resources h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.resources ul {
    list-style: none;
}

.resources li {
    margin-bottom: 8px;
}

.resources a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.resources a:hover {
    color: var(--primary-color);
}

.disclaimer {
    background: #fff3cd;
    padding: 30px;
    border-radius: var(--radius);
    border-left: 4px solid #ffc107;
}

.disclaimer h3 {
    color: #856404;
    margin-bottom: 15px;
}

.disclaimer p {
    color: #856404;
    line-height: 1.6;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-column a {
    display: block;
    color: white;
    text-decoration: none;
    margin-bottom: 10px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .chapters-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}