/** Accueil public — Concept 3 */
.sia-accueil-page { }

        :root {
            --sia-primary: #0A0E1A;
            --sia-secondary: #E8EDF4;
            --sia-accent: #1E3A8A;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        /* Liseré tricolore souverain */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #002395 33%, #FFFFFF 33%, #FFFFFF 66%, #ED2939 66%);
            z-index: 9999;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: var(--sia-primary);
            background: var(--sia-secondary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* Vidéo de fond plein écran pour la page publique */
        .background-video {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            pointer-events: none;
            filter: brightness(1.3) contrast(1.05);
        }
        
        /* S'assurer que le contenu principal passe au-dessus de la vidéo */
        body > * {
            position: relative;
            z-index: 1;
        }
        
        /* Le header/nav doit rester AU-DESSUS de tout le contenu (menu burger mobile) */
        body > header {
            z-index: 1100;
        }

        /* Navbar semi-transparente — la vidéo reste visible derrière */
        .sia-accueil-page #public-navigation.topnav {
            background: rgba(10, 14, 26, 0.42);
            backdrop-filter: blur(12px) saturate(160%);
            -webkit-backdrop-filter: blur(12px) saturate(160%);
            border-bottom-color: rgba(15, 27, 61, 0.45);
            box-shadow: none;
        }

        /* Espace vidéo entre navbar et titre hero */
        .sia-accueil-page .nav-spacer {
            display: block;
            height: clamp(100px, 18vh, 200px);
            background: transparent;
            pointer-events: none;
        }

        .sia-accueil-page .accueil-breadcrumbs {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem 0.25rem;
            background: transparent;
        }

        /* Navigation fixe en desktop lors du scroll */
        @media (min-width: 769px) {
            body > header {
                position: fixed !important;
                top: 4px;
                left: 0;
                right: 0;
                width: 100%;
                z-index: 1100;
            }
            
            html {
                scroll-padding-top: calc(76px + clamp(100px, 18vh, 200px));
            }
        }
        
        @media (max-width: 768px) {
            .sia-accueil-page .nav-spacer {
                height: clamp(72px, 12vh, 120px);
            }
        }

        /* Navigation - Utilise le système standard via navigation.css */
        /* Assurer que le texte de la navigation est bien clair et cohérent avec la charte graphique */
        #public-navigation .brand {
            color: #E8EDF4; /* Couleur claire principale de la charte graphique */
        }
        
        #public-navigation .brand .title {
            color: #E8EDF4; /* Couleur claire pour le titre */
        }
        
        #public-navigation .brand .title small {
            color: rgba(230, 235, 240, 0.8); /* Légèrement plus transparent pour le sous-titre */
        }

        /* Liens navbar — blanc sur fond vidéo semi-transparent */
        .sia-accueil-page #public-navigation.topnav .nav-links a {
            color: #ffffff;
            font-weight: 500;
        }

        .sia-accueil-page #public-navigation.topnav .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.28);
        }

        .sia-accueil-page #public-navigation.topnav .nav-links a.active {
            color: #ffffff;
            background: rgba(30, 58, 138, 0.88);
            border-color: transparent;
        }

        .sia-accueil-page #public-navigation .burger-bar {
            background: #ffffff;
        }

        @media (max-width: 1023px) {
            .sia-accueil-page #public-navigation .nav-links {
                background: rgba(10, 14, 26, 0.94);
                border-top-color: rgba(255, 255, 255, 0.12);
            }

            .sia-accueil-page #public-navigation .nav-links a {
                color: #ffffff;
            }
        }
        
        /* Hero Section — haut transparent pour laisser voir la vidéo */
        .hero {
            background: linear-gradient(
                180deg,
                transparent 0%,
                rgba(10, 14, 26, 0.25) 28%,
                rgba(10, 14, 26, 0.72) 62%,
                rgba(10, 14, 26, 0.9) 100%
            );
            color: var(--sia-secondary);
            padding: 2rem 2rem 6rem;
            text-align: center;
            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="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(230,235,240,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
            opacity: 0.18;
            mask-image: linear-gradient(180deg, transparent 0%, black 45%);
            -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 45%);
        }
        
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        .hero h1 {
            font-family: 'Inter', sans-serif;
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #ffffff;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
            position: relative;
            z-index: 1;
        }
        
        .hero .subtitle,
        .hero .description {
            font-family: 'Inter', sans-serif;
            font-size: 1.15rem;
            font-weight: 400;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 1.5rem;
        }
        
        .hero .subtitle {
            font-size: 1.05rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            opacity: 0.7;
            margin-bottom: 2rem;
        }
        
        .hero-badge-france {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 2rem;
            margin-bottom: 2rem;
            padding: 0.5rem 1.25rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.95);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            backdrop-filter: blur(4px);
        }
        
        .hero-badge-france .tricolore {
            display: flex;
            gap: 0;
            border-radius: 2px;
            overflow: hidden;
        }
        
        .hero-badge-france .tricolore span {
            width: 4px;
            height: 14px;
        }
        
        .hero-badge-france .tricolore .bleu { background: #002395; }
        .hero-badge-france .tricolore .blanc { background: #FFFFFF; }
        .hero-badge-france .tricolore .rouge { background: #ED2939; }
        
        .hero-trust-line {
            margin-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        
        .hero-trust-line span {
            margin: 0 0.5rem;
            opacity: 0.4;
        }
        
        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 0.25rem;
        }
        
        .btn {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
            cursor: pointer;
            border: none;
        }
        
        .btn-primary {
            background: var(--sia-secondary);
            color: var(--sia-primary);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(230,235,240,0.3);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--sia-secondary);
            border: 2px solid var(--sia-secondary);
        }
        
        .btn-secondary:hover {
            background: var(--sia-secondary);
            color: var(--sia-primary);
        }
        
        
        /* Infrastructure Section — 5 piliers */
        .infrastructure {
            padding: 6rem 2rem;
            background: white;
        }
        
        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 3rem;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .pillars-row-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .pillar-card {
            background: var(--sia-secondary);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .pillar-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .pillar-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .pillar-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--sia-primary);
        }
        
        .pillar-card p {
            color: var(--sia-accent);
            line-height: 1.6;
        }
        
        @media (max-width: 768px) {
            .infrastructure {
                padding: 4rem 1.5rem;
            }
            
            .pillars-grid {
                grid-template-columns: 1fr;
                gap: 0;
                margin-top: 2rem;
            }
            
            .pillars-row-2 {
                grid-template-columns: 1fr;
                gap: 0;
                margin-top: 0;
            }
            
            .pillar-card {
                padding: 1.25rem 1.5rem;
                border-radius: 8px;
                display: flex;
                align-items: center;
                gap: 1rem;
                text-align: left;
                margin-bottom: 0.75rem;
            }
            
            .pillar-card:hover {
                transform: none;
                box-shadow: none;
            }
            
            .pillar-icon {
                font-size: 2rem;
                margin-bottom: 0;
                flex-shrink: 0;
            }
            
            .pillar-card h3 {
                font-size: 1.1rem;
                margin-bottom: 0;
            }
            
            .pillar-card p {
                display: none;
            }
            
            .pillar-card .pillar-link {
                display: none;
            }
        }
        
        @media (max-width: 480px) {
            .infrastructure {
                padding: 3rem 1rem;
            }
        }

        /* Features Section */
        .features {
            padding: 6rem 2rem;
            background: white;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .section-title {
            text-align: center;
            font-family: 'Cinzel', serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--sia-primary);
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--sia-accent);
            margin-bottom: 3rem;
        }
        
        /* Features Section - Carrousel glissant */
        .features-grid {
            margin-top: 3rem;
        }
        
        .features-carousel {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            overflow: hidden;
            padding: 0 2rem;
        }
        
        .features-track {
            display: flex;
            gap: 2rem;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .feature-card {
            /* Desktop: 4 cartes avec 3 gaps de 2rem = 6rem total */
            min-width: calc((100% - 6rem) / 4);
            flex: 0 0 calc((100% - 6rem) / 4);
            background: var(--sia-secondary);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            box-sizing: border-box;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        @media (max-width: 768px) {
            .feature-card {
                /* Mobile: 2 cartes avec 1 gap de 2rem = 2rem total */
                min-width: calc((100% - 2rem) / 2);
                flex: 0 0 calc((100% - 2rem) / 2);
            }
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--sia-primary);
        }
        
        .feature-card p {
            color: var(--sia-accent);
            line-height: 1.6;
        }
        
        .features-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .features-arrow {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            border: 1px solid rgba(11,28,45,0.15);
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--sia-primary);
            box-shadow: 0 6px 18px rgba(0,0,0,0.08);
            transition: all 0.2s ease;
        }
        
        .features-arrow:hover:not(:disabled) {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(0,0,0,0.12);
        }
        
        .features-arrow:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }
        
        .features-dots {
            display: flex;
            gap: 0.5rem;
        }
        
        .features-dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: rgba(11,28,45,0.2);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .features-dot.active {
            width: 18px;
            background: var(--sia-primary);
        }
        
        /* Trust Banner – Made in France */
        .trust-banner {
            padding: 1.75rem 2rem;
            background: var(--sia-primary);
            border-top: 1px solid rgba(230, 235, 240, 0.08);
            border-bottom: 1px solid rgba(230, 235, 240, 0.08);
        }
        
        .trust-items {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            margin: 0 auto;
        }
        
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0 1rem;
            white-space: nowrap;
        }
        
        .trust-item + .trust-item {
            border-left: 1px solid rgba(230, 235, 240, 0.15);
        }
        
        .trust-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            line-height: 1;
        }
        
        .trust-flag {
            display: flex;
            width: 26px;
            height: 18px;
            border-radius: 2px;
            overflow: hidden;
            box-shadow: 0 0 0 1px rgba(230, 235, 240, 0.2);
        }
        
        .trust-flag span { flex: 1; }
        .trust-flag span:nth-child(1) { background: #002395; }
        .trust-flag span:nth-child(2) { background: #FFFFFF; }
        .trust-flag span:nth-child(3) { background: #ED2939; }
        
        .trust-label {
            font-size: 0.68rem;
            font-weight: 600;
            color: rgba(230, 235, 240, 0.85);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        
        @media (max-width: 1024px) {
            .trust-items {
                flex-wrap: wrap;
                gap: 0.75rem 0;
                justify-content: center;
            }
            .trust-item {
                padding: 0.4rem 1rem;
            }
            .trust-item + .trust-item {
                border-left: none;
            }
        }
        
        @media (max-width: 768px) {
            .trust-banner {
                padding: 1.25rem 1rem;
            }
            .trust-items {
                gap: 0.5rem 0;
            }
            .trust-item {
                padding: 0.3rem 0.75rem;
            }
            .trust-label {
                font-size: 0.65rem;
            }
            .trust-icon svg {
                width: 18px;
                height: 18px;
            }
            .trust-flag {
                width: 22px;
                height: 15px;
            }
        }
        
        /* Videos Section */
        .videos {
            padding: 6rem 2rem;
            background: var(--sia-secondary);
        }
        
        .video-featured {
            margin-top: 2.5rem;
            margin-bottom: 3.5rem;
            max-width: 960px;
            margin-left: auto;
            margin-right: auto;
        }

        .video-featured-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .video-featured-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 56px rgba(0, 0, 0, 0.22);
        }

        .video-container--featured {
            border-radius: 16px 16px 0 0;
        }

        .video-play-button--featured {
            width: 96px;
            height: 96px;
        }

        .video-play-button--featured .play-icon {
            font-size: 2.5rem;
        }

        .video-info--featured {
            padding: 1.75rem 2rem 2rem;
            text-align: center;
        }

        .video-info--featured h3 {
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .video-info--featured p {
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 42rem;
            margin: 0 auto;
        }

        .videos-series-title {
            text-align: center;
            font-size: 1.35rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.92);
            margin: 0 0 2rem;
            letter-spacing: 0.02em;
        }

        .videos-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 0;
        }
        
        .video-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        
        .video-card:hover {
            transform: translateY(-5px);
        }
        
        .video-container {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%; /* 16:9 */
            background: var(--sia-primary);
            overflow: hidden;
            border-radius: 12px 12px 0 0;
        }
        
        .video-thumbnail-wrapper {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            cursor: pointer;
        }
        
        .video-thumbnail-preview {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            background: #0F1B3D;
        }
        
        .video-play-button {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            background: rgba(230, 235, 240, 0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 10;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        
        .video-play-button:hover {
            background: var(--sia-secondary);
            transform: translate(-50%, -50%) scale(1.1);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
        }
        
        .play-icon {
            font-size: 2rem;
            color: var(--sia-primary);
            margin-left: 4px; /* Légèrement décalé pour centrage visuel */
        }
        
        .video-player {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            background: #0F1B3D;
        }
        
        .video-player::-webkit-media-controls-panel {
            background: rgba(11, 28, 45, 0.8);
        }
        
        .video-player::-webkit-media-controls-play-button,
        .video-player::-webkit-media-controls-volume-slider,
        .video-player::-webkit-media-controls-timeline {
            filter: invert(1);
        }
        
        .video-coming-soon {
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--sia-primary) 0%, #0F1B3D 100%);
        }
        
        .video-placeholder {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--sia-secondary);
        }
        
        .video-placeholder-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
            opacity: 0.8;
        }
        
        .video-placeholder-text {
            font-size: 1.2rem;
            font-weight: 600;
            opacity: 0.9;
        }
        
        .video-info {
            padding: 1.5rem;
        }
        
        .video-info h3 {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
            color: var(--sia-primary);
        }
        
        .video-info p {
            color: var(--sia-accent);
            font-size: 0.9rem;
        }
        
        /* How It Works Section */
        .how-it-works {
            padding: 6rem 2rem;
            background: white;
        }
        
        .timeline {
            max-width: 800px;
            margin: 3rem auto 0;
            position: relative;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--sia-accent);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            display: flex;
            margin-bottom: 3rem;
            position: relative;
        }
        
        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }
        
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .timeline-content {
            flex: 1;
            background: var(--sia-secondary);
            padding: 2rem;
            border-radius: 12px;
            margin: 0 2rem;
        }
        
        .timeline-number {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 50px;
            background: var(--sia-primary);
            color: var(--sia-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            z-index: 1;
        }
        
        .timeline-content h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--sia-primary);
        }
        
        .timeline-content p {
            color: var(--sia-accent);
        }
        
        /* Testimonials Section */
        .testimonials {
            padding: 6rem 2rem;
            background: var(--sia-secondary);
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        
        .testimonial-quote {
            font-size: 1.1rem;
            font-style: italic;
            color: var(--sia-primary);
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        
        .testimonial-author {
            font-weight: 600;
            color: var(--sia-accent);
        }
        
        .testimonial-role {
            font-size: 0.9rem;
            color: var(--sia-accent);
            opacity: 0.8;
        }
        
        /* Social Media Section */
        .social-media {
            padding: 4rem 2rem;
            background: var(--sia-primary);
            color: var(--sia-secondary);
            text-align: center;
        }
        
        .social-media h2 {
            font-family: 'Cinzel', serif;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .social-media p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        
        .social-links {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .social-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2rem;
            background: rgba(230,235,240,0.1);
            border: 2px solid rgba(230,235,240,0.2);
            border-radius: 8px;
            color: var(--sia-secondary);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .social-link:hover {
            background: rgba(230,235,240,0.2);
            border-color: var(--sia-secondary);
            transform: translateY(-2px);
        }
        
        .social-icon {
            font-size: 1.5rem;
        }
        
        /* Sections de respiration avec la vidéo en fond */
        .breath-section {
            padding: 3rem 2rem;
            background: transparent;
        }
        
        .breath-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            color: #E8EDF4;
            font-size: 1.2rem;
            font-weight: 500;
            text-shadow: 0 2px 8px rgba(0,0,0,0.6);
        }
        
        .breath-top {
            padding-top: 2rem;
            padding-bottom: 2.5rem;
        }
        
        .breath-middle {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        
        .breath-pre-cta {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 6rem 2rem;
            background: linear-gradient(135deg, var(--sia-primary) 0%, #0F1B3D 100%);
            color: var(--sia-secondary);
            text-align: center;
        }
        
        .cta-section h2 {
            font-family: 'Cinzel', serif;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #FFFFFF;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.92);
            opacity: 1;
        }
        
        /* Footer */
        .footer {
            background: var(--sia-primary);
            color: var(--sia-secondary);
            padding: 3rem 2rem;
            text-align: center;
        }
        
        .footer p {
            opacity: 0.8;
            margin-bottom: 0.5rem;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            /* Hero Section Mobile */
            .hero {
                padding: 1.25rem 1.5rem 4rem;
            }
            
            .hero::after {
                font-size: 3rem;
                opacity: 0.3;
            }
            
            .hero h1 {
                font-size: 2rem;
                margin-bottom: 1rem;
            }
            
            .hero .subtitle {
                font-size: 1.1rem;
                margin-bottom: 1.5rem;
            }
            
            .hero .description {
                font-size: 1rem;
                margin-bottom: 2rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                gap: 0.75rem;
            }
            
            .btn {
                width: 100%;
                min-height: 44px;
                padding: 0.875rem 2rem;
                font-size: 1rem;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            /* Features Section Mobile */
            .features {
                padding: 4rem 1.5rem;
            }
            
            /* Sur mobile : liste simple, sans carrousel pour "Sortir de l'impasse" */
            .features-carousel {
                overflow: visible;
            }
            
            .features-track {
                display: block;
                transform: none !important;
            }
            
            .features .feature-card {
                min-width: 100%;
                flex: 0 0 100%;
                margin-bottom: 1.5rem;
            }
            
            .features-controls {
                display: none;
            }
            
            /* Sur mobile : n'afficher que l'icône et le titre dans les cartes "Sortir de l'impasse" */
            .features .feature-card p {
                display: none;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 2rem;
            }
            
            .features-carousel {
                padding: 0 1rem;
            }
            
            .feature-card {
                padding: 1.5rem;
            }
            
            .feature-icon {
                font-size: 2.5rem;
            }
            
            .feature-card h3 {
                font-size: 1.25rem;
            }
            
            .features-arrow {
                width: 44px;
                height: 44px;
                min-width: 44px;
                min-height: 44px;
            }
            
            /* Videos Section Mobile */
            .videos {
                padding: 4rem 1.5rem;
            }
            
            .video-featured {
                margin-top: 2rem;
                margin-bottom: 2.5rem;
            }

            .video-info--featured {
                padding: 1.25rem 1.5rem 1.5rem;
            }

            .video-info--featured h3 {
                font-size: 1.25rem;
            }

            .video-play-button--featured {
                width: 72px;
                height: 72px;
            }

            .videos-series-title {
                font-size: 1.15rem;
                margin-bottom: 1.5rem;
            }

            .videos-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .video-play-button {
                width: 60px;
                height: 60px;
            }
            
            .play-icon {
                font-size: 1.5rem;
            }
            
            /* Timeline Mobile */
            .how-it-works {
                padding: 4rem 1.5rem;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                flex-direction: row !important;
                padding-left: 4rem;
                margin-bottom: 2rem;
            }
            
            .timeline-number {
                left: 30px;
                width: 40px;
                height: 40px;
                font-size: 1.25rem;
            }
            
            .timeline-content {
                margin: 0;
                padding: 1.5rem;
            }
            
            .timeline-content h3 {
                font-size: 1.25rem;
            }
            
            /* Social Media Mobile */
            .social-media {
                padding: 3rem 1.5rem;
            }
            
            .social-media h2 {
                font-size: 2rem;
            }
            
            .social-links {
                flex-direction: column;
                gap: 1rem;
            }
            
            .social-link {
                width: 100%;
                min-height: 44px;
                justify-content: center;
            }
            
            /* CTA Section Mobile */
            .cta-section {
                padding: 4rem 1.5rem;
            }
            
            .cta-section h2 {
                font-size: 2rem;
            }
            
            .cta-section .btn {
                width: 100%;
                min-height: 44px;
            }
            
            /* Footer Mobile */
            .footer {
                padding: 2rem 1.5rem;
            }
        }
        
        @media (max-width: 480px) {
            .hero {
                padding: 3rem 1rem;
            }
            
            .hero::after {
                font-size: 2rem;
                opacity: 0.2;
            }
            
            .hero h1 {
                font-size: 1.75rem;
            }
            
            .hero .subtitle {
                font-size: 1rem;
            }
            
            .hero .description {
                font-size: 0.95rem;
            }
            
            .section-title {
                font-size: 1.75rem;
            }
            
            .features {
                padding: 3rem 1rem;
            }
            
            .breath-section {
                padding: 2.5rem 1.5rem;
            }
            
            .breath-content {
                font-size: 1.05rem;
            }
            
            .videos {
                padding: 3rem 1rem;
            }
            
            .how-it-works {
                padding: 3rem 1rem;
            }
            
            .timeline-item {
                padding-left: 3.5rem;
            }
            
            .timeline-number {
                left: 25px;
                width: 35px;
                height: 35px;
                font-size: 1.1rem;
            }
            
            .timeline-content {
                padding: 1.25rem;
            }
        }