/* ============================================
   BREAKPOINTS RESPONSIVE
   ============================================
   Desktop Large: > 1400px (par défaut)
   Desktop: 1200px - 1400px
   Tablet Landscape: 900px - 1200px
   Tablet Portrait: 768px - 900px
   Mobile Large: 480px - 768px
   Mobile: < 480px
   ============================================ */

@media (max-width: 1400px) {
    .site-header__inner,
    .site-main,
    section {
        max-width: 1200px;
    }
}

@media (max-width: 1200px) {
    .footer-cta {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .footer-cta .cta-group {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-video {
        order: -1;
    }

    .services-preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Breakpoint Tablette Landscape */
@media (max-width: 1024px) and (min-width: 900px) {
    .site-main {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .why-us__features {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 1024px) {
    .header-pill {
        display: none;
    }

    .menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .header-actions {
        position: fixed;
        inset: 0;
        padding: 5rem 2rem 2rem;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.99) 0%, rgba(30, 41, 59, 0.99) 100%);
        backdrop-filter: blur(40px) saturate(200%);
        -webkit-backdrop-filter: blur(40px) saturate(200%);
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                    opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    visibility 0.4s ease;
        opacity: 0;
        visibility: hidden;
        z-index: 99;
        box-shadow: 
            -8px 0 40px rgba(0, 0, 0, 0.5),
            inset 1px 0 0 rgba(59, 130, 246, 0.2);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-left: 2px solid rgba(59, 130, 246, 0.3);
    }

    .header-actions::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
        opacity: 0.6;
    }

    body.nav-open .header-actions {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    /* Overlay sombre derrière le menu */
    body.nav-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.5) 100%);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 98;
        animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
        }
        to {
            opacity: 1;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
    }

    .primary-navigation li {
        opacity: 0;
        transform: translateX(30px);
        transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                    transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    body.nav-open .primary-navigation li {
        opacity: 1;
        transform: translateX(0);
    }

    body.nav-open .primary-navigation li:nth-child(1) { transition-delay: 0.05s; }
    body.nav-open .primary-navigation li:nth-child(2) { transition-delay: 0.1s; }
    body.nav-open .primary-navigation li:nth-child(3) { transition-delay: 0.15s; }
    body.nav-open .primary-navigation li:nth-child(4) { transition-delay: 0.2s; }
    body.nav-open .primary-navigation li:nth-child(5) { transition-delay: 0.25s; }
    body.nav-open .primary-navigation li:nth-child(6) { transition-delay: 0.3s; }
    body.nav-open .primary-navigation li:nth-child(7) { transition-delay: 0.35s; }
    body.nav-open .primary-navigation li:nth-child(8) { transition-delay: 0.4s; }

    .header-cta {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s, 
                    transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s;
    }

    body.nav-open .header-cta {
        opacity: 1;
        transform: translateY(0);
    }

    .primary-navigation ul {
        flex-direction: column;
        gap: 0.5rem;
        font-size: 1.125rem;
        width: 100%;
    }

    .primary-navigation a {
        padding: 1.25rem 1.5rem;
        min-height: 48px; /* Touch target minimum 44px + padding */
        width: 100%;
        border-radius: var(--radius-lg);
        display: flex;
        align-items: center;
        font-size: 1.125rem;
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        color: rgba(255, 255, 255, 0.9);
        position: relative;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        margin-bottom: 0.5rem;
    }

    .primary-navigation a::after {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--gradient-primary);
        transform: scaleY(0);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-radius: 0 3px 3px 0;
    }

    .primary-navigation a:hover {
        background: rgba(59, 130, 246, 0.15);
        border-color: rgba(59, 130, 246, 0.3);
        transform: translateX(4px);
        color: var(--color-white);
    }

    .primary-navigation a:hover::after {
        transform: scaleY(1);
    }

    .primary-navigation a:active {
        background: rgba(59, 130, 246, 0.25);
        transform: translateX(2px) scale(0.98);
    }

    .primary-navigation a.current-menu-item,
    .primary-navigation a.current-page-ancestor {
        background: rgba(59, 130, 246, 0.2);
        border-color: rgba(59, 130, 246, 0.4);
        color: var(--color-white);
    }

    .primary-navigation a.current-menu-item::after,
    .primary-navigation a.current-page-ancestor::after {
        transform: scaleY(1);
    }

    .primary-navigation a::before {
        display: none;
    }

    .header-cta {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
        position: static;
    }

    .header-cta .cta-button {
        width: 100%;
        min-height: 48px; /* Touch target minimum 44px */
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        border-radius: var(--radius-lg);
        box-shadow: 
            0 4px 12px rgba(0, 0, 0, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    .header-cta .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 
            0 6px 16px rgba(59, 130, 246, 0.4),
            0 2px 8px rgba(0, 0, 0, 0.25),
            inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }

    .primary-navigation::before,
    .primary-navigation__indicator,
    .header-cta::before {
        display: none;
    }

    /* Tagline sur mobile - masquer sur très petit écran */
    .site-branding .logo .tagline {
        font-size: 0.65rem;
        padding-left: 0.5rem;
        margin-left: 0.5rem;
    }
}

/* Sur très petit écran, masquer le tagline */
@media (max-width: 640px) {
    .site-branding .logo .tagline {
        display: none;
    }
    
    /* Vision Demo - Ajustements mobile */
    .vision-demo-select {
        font-size: 0.875rem;
        padding: 0.75rem 2.25rem 0.75rem 1rem;
    }
    
    .vision-demo-close {
        width: 36px;
        height: 36px;
        top: 0.75rem;
        right: 0.75rem;
    }
    
    .vision-demo-close svg {
        width: 18px;
        height: 18px;
    }
    
    .vision-demo-label {
        font-size: 0.8125rem;
        padding: 0.5rem 0.875rem;
    }
}

/* Breakpoint Tablette Portrait */
@media (max-width: 900px) and (min-width: 768px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .services-preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .why-us__features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-main {
        padding: 3rem 6vw 4rem;
    }

    .hero {
        padding: 2rem;
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    /* Touch targets minimum 44x44px sur mobile */
    .cta-button,
    button:not(.menu-toggle) {
        min-height: 48px;
        min-width: 48px;
        padding: 0.875rem 1.5rem;
    }

    .cta-link {
        min-height: 44px;
        padding: 0.5rem 0.75rem;
        display: inline-flex;
        align-items: center;
    }

    .primary-navigation a {
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    .services-nav button {
        min-height: 48px;
        padding: 0.75rem 1.25rem;
    }

    .social-links a {
        min-width: 48px;
        min-height: 48px;
        width: 48px;
        height: 48px;
    }

    .why-us {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .why-us__features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .services-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .why-us__lead {
        font-size: 1.125rem;
    }

    .service-block {
        padding: var(--spacing-lg);
    }

    .service-block__main {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .service-block__content h2 {
        font-size: 1.75rem;
    }

    .service-block__tagline {
        font-size: 1.125rem;
    }

    .service-block__meta {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .services-nav {
        overflow-x: auto;
        top: calc(68px + var(--spacing-xs));
        padding: 0.25rem;
        margin: var(--spacing-md) calc(-1 * var(--spacing-md)) var(--spacing-lg);
        border: 1px solid rgba(148, 163, 184, 0.35);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.9);
        box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
        gap: 0.5rem;
    }

    .services-nav::before,
    .services-nav::after {
        content: '';
        position: sticky;
        top: 0;
        width: 32px;
        height: 100%;
        pointer-events: none;
        z-index: 2;
    }

    .services-nav::before {
        left: 0;
        background: linear-gradient(90deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
    }

    .services-nav::after {
        left: auto;
        right: 0;
        background: linear-gradient(-90deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
    }

    .services-nav button {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        flex: 0 0 auto;
        min-width: 210px;
        border-radius: 999px;
        border: 1px solid transparent;
        background: rgba(247, 249, 255, 0.9);
        box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    }

    .services-nav button.is-active {
        border-color: rgba(37, 99, 235, 0.3);
        box-shadow: 0 12px 24px rgba(37, 99, 235, 0.25);
    }

    .collaboration-table {
        display: none;
    }

    .collaboration-cards {
        display: grid;
        gap: 1rem;
    }

    .footer-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
        padding-top: var(--spacing-sm);
    }

    .footer-cta {
        padding: var(--spacing-sm) var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .footer-cta h2 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-xs);
    }

    .footer-cta p {
        font-size: 0.875rem;
    }

    .footer-grid {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .footer-grid h3 {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-xs);
    }

    .footer-grid p {
        font-size: 0.8125rem;
    }

}

@media (max-width: 480px) {
    .cta-button {
        width: 100%;
        min-height: 48px;
        padding: 1rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .site-header {
        padding: 1rem 6vw;
    }

    .menu-toggle {
        width: 48px;
        height: 48px;
        padding: 12px;
    }

    /* Espacement supplémentaire pour les touch targets */
    .cta-group {
        gap: var(--spacing-md);
    }

    .header-cta {
        gap: var(--spacing-md);
    }

    .primary-navigation ul {
        gap: 0.75rem;
    }

    .why-us__icon {
        font-size: 2.5rem;
    }

    .logo-list {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .logo-list li {
        min-height: 60px;
        padding: var(--spacing-xs);
    }

    .logo-list img {
        max-height: 40px;
        max-width: 100px;
    }

    .scroll-to-top {
        bottom: 90px; /* Au-dessus du widget ARIA Chat */
        left: 20px; /* À gauche, à l'opposé du chatbot */
        width: 44px;
        height: 44px;
    }

    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }

    /* Widget ARIA Chat sur mobile - comportement comme scroll-to-top */
    #aria-widget {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 99999;
    }

    #aria-widget.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    #aria-toggle {
        display: flex;
        position: relative;
        /* Zone de touch optimale pour mobile */
        min-width: 60px;
        min-height: 60px;
    }

    /* S'assurer que le footer ne masque pas le widget */
    .site-footer {
        z-index: 1;
        position: relative;
    }
}