/* 
 * IntelliaCore - Styles responsifs
 * Optimisation pour desktop, tablette et mobile
 */

/* ===== Tablettes (max-width: 992px) ===== */
@media screen and (max-width: 992px) {
    /* Base */
    html {
        font-size: 15px;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    /* Header & Navigation */
    header {
        padding: 0 20px;
    }
    
    .main-nav {
        gap: 5px;
    }
    
    .nav-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    /* Hero Banner */
    .hero-banner h1 {
        font-size: 3.5rem;
    }
    
    /* Solutions */
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Configurator */
    .configurator-container {
        flex-direction: column;
    }
    
    .config-sidebar {
        width: 100%;
        display: flex;
        overflow-x: auto;
        padding: 15px;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .config-step {
        flex-direction: column;
        padding: 10px 15px;
        min-width: 100px;
        text-align: center;
    }
    
    .config-step.active::before {
        left: 0;
        top: auto;
        bottom: 0;
        height: 3px;
        width: 100%;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 5px;
    }
    
    /* Benefits */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Team */
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    /* Partners */
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Contact */
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        width: 100%;
    }
}

/* ===== Mobiles (max-width: 768px) ===== */
@media screen and (max-width: 768px) {
    /* Base */
    html {
        font-size: 14px;
    }
    
    section {
        padding: 70px 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    /* Header & Navigation */
    header {
        height: 70px;
    }
    
    .logo-container {
        height: 50px;
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 20px;
        transform: translateX(100%);
        transition: transform var(--transition-medium);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .nav-btn {
        padding: 12px 25px;
        font-size: 1rem;
        width: 200px;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    /* Hero Banner */
    .hero-banner {
        min-height: 600px;
    }
    
    .hero-banner h1 {
        font-size: 2.5rem;
    }
    
    .hero-banner .subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-btn {
        width: 100%;
        text-align: center;
    }
    
    /* Solutions */
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    /* Configurator */
    .option-cards {
        grid-template-columns: 1fr;
    }
    
    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonial-content p {
        font-size: 1rem;
    }
    
    /* Partners */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Contact */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* ===== Petits mobiles (max-width: 480px) ===== */
@media screen and (max-width: 480px) {
    /* Base */
    html {
        font-size: 13px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    /* Hero Banner */
    .hero-banner h1 {
        font-size: 2rem;
    }
    
    /* Partners */
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    /* Team */
    .member-photo {
        height: 250px;
    }
}

/* ===== Animations tactiles pour appareils mobiles ===== */
@media (hover: none) {
    .nav-btn:active {
        transform: scale(0.95);
    }
    
    .cta-btn:active {
        transform: scale(0.95);
    }
    
    .solution-card:active {
        transform: translateY(-5px);
    }
    
    .benefit-card:active {
        transform: translateY(-5px);
    }
    
    .team-member:active {
        transform: translateY(-5px);
    }
    
    .partner-card:active {
        transform: translateY(-5px);
    }
    
    .info-item:active {
        transform: translateY(-5px);
    }
    
    .submit-btn:active {
        transform: scale(0.95);
    }
    
    .social-links a:active {
        transform: scale(0.95);
    }
}