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

/* Tablets et petits desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .about-content {
        grid-template-columns: 280px 1fr;
        gap: 3rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablets */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    /* Header */
    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-blue-night);
        transition: left 0.3s ease;
        padding: 2rem;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .main-nav a {
        display: block;
        padding: 1rem 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero */
    .hero-section {
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .logo-emblem {
        font-size: 3rem;
        letter-spacing: 4px;
    }
    
    /* Articles Grid */
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* About Preview */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-image img {
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }
    
    .about-highlights li {
        justify-content: center;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Newsletter */
    .newsletter-form {
        flex-direction: column;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .logo-emblem {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .newsletter-content h2 {
        font-size: 1.75rem;
    }
    
    .btn-primary,
    .btn-secondary,
    .hero-cta {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}