/* Article Blog Premium - Design cohérent avec Events & Accueil */
:root {
    /* Background */
    --bg-primary: #1A2332;
    --bg-secondary: #222D3D;
    --bg-card: #2A3747;
    
    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    
    /* Accent bleu (CTA, actions) */
    --accent-primary: #00A4EF;
    --accent-hover: #0088CC;
    --shadow-primary: 0 4px 20px rgba(0, 164, 239, 0.4);
    
    /* Violet Premium (badges/catégories) */
    --badge-violet: #8B5CF6;
    --badge-violet-hover: #7C3AED;
    
    /* WhatsApp */
    --whatsapp: #25D366;
    --whatsapp-hover: #128C7E;
    
    /* Borders & autres */
    --border-color: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-base: 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Navbar Premium */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.2rem 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--bg-secondary);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo img {
    height: 45px;
    transition: height var(--transition-base);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-primary);
}

.nav-cta-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-cta {
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cta-primary {
    background: var(--accent-primary);
    color: #FFF;
    border: 2px solid var(--accent-primary);
}

.nav-cta-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.nav-cta-whatsapp {
    background: var(--whatsapp);
    color: #FFF;
    border: 2px solid var(--whatsapp);
}

.nav-cta-whatsapp:hover {
    background: var(--whatsapp-hover);
    transform: translateY(-2px);
}

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

/* Article Hero Premium */
.article-hero {
    padding: 140px 6% 60px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
}

.article-meta-header {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-category {
    display: inline-block;
    background: rgba(139, 92, 246, 0.1);
    color: var(--badge-violet);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.article-date {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.article-reading-time {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #FFFFFF 0%, #B8C5D6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Article Layout 2 colonnes (comme Events) */
.article-layout {
    padding: 60px 6%;
    max-width: 1400px;
    margin: 0 auto;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 4rem;
}

/* Article Main Content */
.article-main {
    max-width: 800px;
}

.article-section {
    margin-bottom: 3rem;
}

.article-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.article-section h2 i {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.article-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.article-section strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-section em {
    color: var(--accent-primary);
    font-style: italic;
}

/* Article Lists */
.article-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.article-list li {
    padding: 0.8rem 0 0.8rem 2rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Highlight Box */
.highlight-box {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-primary);
    padding: 2rem;
    border-radius: var(--radius-md);
    margin: 2.5rem 0;
}

.highlight-box h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.highlight-box h3 i {
    color: var(--accent-primary);
}

.highlight-box p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
}

/* Sidebar Sticky */
.article-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-cta {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    text-align: center;
}

.sidebar-cta-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: #FFF;
}

.sidebar-cta h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.sidebar-cta p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.sidebar-cta .btn {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.sidebar-cta .btn-primary {
    background: var(--accent-primary);
    color: #FFF;
    border: 2px solid var(--accent-primary);
}

.sidebar-cta .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.sidebar-cta .btn-whatsapp {
    background: var(--whatsapp);
    color: #FFF;
    border: 2px solid var(--whatsapp);
}

.sidebar-cta .btn-whatsapp:hover {
    background: var(--whatsapp-hover);
    transform: translateY(-2px);
}

/* Sidebar Box */
.sidebar-box {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.sidebar-box h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.author-info strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.author-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s;
}

.author-linkedin:hover {
    color: var(--accent-hover);
}

.related-articles {
    list-style: none;
    padding: 0;
}

.related-articles li {
    margin-bottom: 1rem;
}

.related-articles a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    transition: color 0.3s;
    display: block;
}

.related-articles a:hover {
    color: var(--accent-primary);
}

/* Footer Premium */
footer {
    background: var(--bg-secondary);
    padding: 4rem 6% 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--accent-primary);
    color: #FFF;
    transform: translateY(-3px);
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-size: 1.8rem;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: var(--whatsapp-hover);
}

/* Responsive */
@media (max-width: 1200px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta-group {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .article-hero {
        padding: 120px 6% 40px;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-intro {
        font-size: 1.1rem;
    }
    
    .article-section h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}