/* ========================================
   VARIABLES & RESET
   ======================================== */

:root {
    /* Couleurs institutionnelles */
    --primary: #2C5F8D;
    --primary-light: #3a7ab8;
    --primary-dark: #1e4563;
    --secondary: #27AE60;
    --secondary-light: #2ecc71;
    --accent: #E67E22;
    
    /* Neutres */
    --dark: #1a1a1a;
    --gray-900: #2d3436;
    --gray-800: #636e72;
    --gray-700: #95a5a6;
    --gray-600: #b2bec3;
    --gray-500: #dfe6e9;
    --gray-400: #ecf0f1;
    --gray-300: #f5f7f8;
    --white: #ffffff;
    
    /* Typographie */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Bordures */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ========================================
   UTILITIES
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

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

.view-all:hover {
    color: var(--primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

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

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

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

.btn-discord {
    background: #5865F2;
    color: var(--white);
}

.btn-discord:hover {
    background: #4752C4;
}

/* ========================================
   HEADER
   ======================================== */

.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-400);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.logo .domain {
    color: var(--secondary);
}

.nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.nav a {
    color: var(--gray-800);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-800);
    cursor: pointer;
    padding: 0.5rem;
}

.search-btn:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}

/* Search Bar */
.search-bar {
    display: none;
    background: var(--gray-300);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--gray-400);
}

.search-bar.active {
    display: block;
}

.search-bar .container {
    display: flex;
    gap: 0.5rem;
}

.search-bar input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-400);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.search-bar button {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.search-bar button:hover {
    background: var(--primary-light);
}

/* ========================================
   HERO
   ======================================== */

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 30px 30px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-light);
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-top: 0.25rem;
}

/* ========================================
   FEATURED ARTICLE
   ======================================== */

.featured {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-300);
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image {
    position: relative;
    overflow: hidden;
}

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

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

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--accent);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
}

.featured-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.category {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--white);
}

.cat-linux { background: #F39C12; }
.cat-bureautique { background: #3498DB; }
.cat-serveurs { background: #9B59B6; }
.cat-education { background: #E74C3C; }
.cat-web { background: #1ABC9C; }
.cat-decideurs { background: #34495E; }
.cat-retex { background: #27AE60; }

.featured-content h2 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.featured-content h2 a {
    color: var(--dark);
}

.featured-content h2 a:hover {
    color: var(--primary);
}

.featured-content > p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray-800);
    margin-bottom: var(--spacing-lg);
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--dark);
}

.author-role {
    font-size: 0.875rem;
    color: var(--gray-700);
}

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

.read-more:hover {
    color: var(--primary-light);
}

/* ========================================
   CATEGORIES
   ======================================== */

.categories {
    padding: var(--spacing-2xl) 0;
}

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

.category-card {
    background: var(--white);
    border: 2px solid var(--gray-400);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--gray-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.category-card:hover .category-icon {
    background: var(--primary);
    color: var(--white);
}

.category-card h3 {
    font-size: 1.35rem;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    color: var(--gray-700);
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.article-count {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

/* ========================================
   ARTICLES GRID
   ======================================== */

.latest-articles {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-300);
}

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

.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.category-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
}

.article-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.article-meta-small {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--gray-700);
}

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

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

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

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

.article-content > p {
    color: var(--gray-700);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.article-footer-small {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.read-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

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

.article-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--gray-700);
}

.article-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ========================================
   COMMUNITY CTA
   ======================================== */

.community-cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.cta-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.cta-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.cta-text {
    flex: 1;
    color: var(--white);
}

.cta-text h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.cta-text p {
    opacity: 0.9;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    color: var(--secondary);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-col h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul a:hover {
    color: var(--white);
    padding-left: 0.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 0.95rem;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
}

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .featured-article {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav.active {
        display: block;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid var(--gray-400);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active ul {
        flex-direction: column;
        padding: var(--spacing-md);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}