/* ========================================
   RESPONSIVE DESIGN COMPLET POUR INDEX.HTML
   ======================================== */

/* Menu mobile styles */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--neutral-700);
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Tablettes (768px - 1024px) */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr !important;
        gap: 40px;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .pricing-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    /* Menu mobile */
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 16px 16px;
        padding: 20px;
        flex-direction: column;
        gap: 16px;
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-actions {
        flex-direction: column;
        gap: 12px;
        margin-top: 16px;
    }
    
    /* Hero mobile */
    .hero-modern {
        padding: 60px 0;
    }
    
    .hero-container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 36px;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 18px;
        margin-bottom: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 40px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    /* Dashboard preview mobile */
    .dashboard-preview {
        max-width: 100%;
        margin: 0 auto;
    }
    
    /* Sections mobile */
    .section-container {
        padding: 0 20px;
    }
    
    .section-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    /* Features mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    /* Pricing mobile */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* CTA mobile */
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Mobile petit (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .feature-card {
        padding: 24px 16px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .feature-title {
        font-size: 18px;
    }
    
    .feature-description {
        font-size: 14px;
    }
    
    .pricing-card {
        padding: 24px 16px;
    }
    
    .footer-container {
        padding: 40px 16px 20px;
    }
    
    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

/* Mobile très petit (max-width: 320px) */
@media (max-width: 320px) {
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .hero-stats,
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .section-container {
        padding: 0 16px;
    }
}