/* ===================================
   Variables et Reset
   =================================== */
:root {
    /* Couleurs principales */
    --primary-color: #4A9B8E;
    --primary-dark: #3A7D72;
    --primary-light: #6DB5A9;
    --secondary-color: #E8956B;
    --secondary-dark: #D67D52;
    
    /* Couleurs neutres */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAF9;
    --bg-tertiary: #EEF5F3;
    --text-primary: #2C3E50;
    --text-secondary: #546E7A;
    --text-light: #78909C;
    --border-color: #E0E7E5;
    
    /* Couleurs d'état */
    --success-color: #5CB85C;
    --error-color: #D9534F;
    --warning-color: #F0AD4E;
    --info-color: #5BC0DE;
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    /* Largeurs */
    --container-max: 1200px;
    --container-wide: 1400px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

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

ul, ol {
    list-style: none;
}

/* ===================================
   Utilitaires
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   Boutons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-block {
    width: 100%;
}

/* ===================================
   Header
   =================================== */
.site-header {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo i {
    font-size: 1.75rem;
}

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

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.main-nav a {
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Trust Section
   =================================== */
.trust-section {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.trust-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.trust-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.trust-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.badge i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.badge span {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===================================
   Categories Section
   =================================== */
.categories-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--bg-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.category-icon i {
    font-size: 1.75rem;
    color: white;
}

.category-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.6;
}

.category-link {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-card:hover .category-link {
    gap: 0.75rem;
}

/* ===================================
   Articles Section
   =================================== */
.latest-articles-section {
    padding: var(--spacing-xxl) 0;
    background-color: white;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.article-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.article-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--primary-color);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.article-content {
    padding: var(--spacing-lg);
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-content h3 a {
    color: var(--text-primary);
}

.article-content h3 a:hover {
    color: var(--primary-color);
}

.article-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===================================
   Newsletter Section
   =================================== */
.newsletter-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.newsletter-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.newsletter-text p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.newsletter-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
}

.newsletter-benefits i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.newsletter-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 155, 142, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group label {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-group label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    text-align: center;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ===================================
   Disclaimer Section
   =================================== */
.disclaimer-section {
    padding: var(--spacing-lg) 0;
    background-color: #FFF9E6;
    border-top: 3px solid var(--warning-color);
    border-bottom: 3px solid var(--warning-color);
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.disclaimer-content i {
    font-size: 1.75rem;
    color: var(--warning-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.disclaimer-content p {
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-light);
    padding-left: 0.25rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Page Article
   =================================== */
.article-header {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

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

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--text-light);
}

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

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.article-excerpt {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.article-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    font-size: 0.9375rem;
    color: var(--text-light);
}

.article-body {
    padding: var(--spacing-xxl) 0;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
}

.table-of-contents {
    background-color: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--primary-color);
}

.table-of-contents h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.table-of-contents ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.table-of-contents a {
    color: var(--text-secondary);
    font-weight: 500;
}

.table-of-contents a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.article-text h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.article-text ul,
.article-text ol {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-text li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.tip-box {
    background-color: var(--bg-tertiary);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

.tip-box h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.related-articles {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl) 0;
}

/* ===================================
   Page Catégorie
   =================================== */
.category-header {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    text-align: center;
}

.category-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.category-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.category-content {
    padding: var(--spacing-xxl) 0;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .main-nav ul {
        gap: var(--spacing-xs);
    }
    
    .main-nav a {
        padding: 0.5rem 0.75rem;
        font-size: 0.9375rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background-color: white;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        max-height: calc(100vh - 65px);
        overflow-y: auto;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 1.875rem;
    }
    
    .category-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .logo a {
        font-size: 1rem;
    }
    
    .logo a span {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.625rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}