* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg,
                #4a90e2 0%,
                #357abd 50%,
                #2c7cc4 100%);
            background-attachment: fixed;
            min-height: 100vh;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }

        @supports (-webkit-touch-callout: none) {
            body {
                background-attachment: scroll;
            }
            body::before {
                content: '';
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: linear-gradient(135deg,
                    #4a90e2 0%,
                    #357abd 50%,
                    #2c7cc4 100%);
                z-index: -1;
            }
        }

        /* Floating elements */
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .floating-element {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: floating 20s infinite ease-in-out;
        }

        .floating-element:nth-child(1) { width: 80px; height: 80px; top: 20%; left: 10%; }
        .floating-element:nth-child(2) { width: 120px; height: 120px; top: 60%; right: 15%; animation-delay: -7s; }
        .floating-element:nth-child(3) { width: 60px; height: 60px; top: 80%; left: 70%; animation-delay: -14s; }

        @keyframes floating {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            33% { transform: translateY(-30px) rotate(120deg); }
            66% { transform: translateY(20px) rotate(240deg); }
        }

        /* Navigation retour */
        .back-nav {
            position: relative;
            z-index: 10;
            padding: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: white;
            text-decoration: none;
            font-weight: 500;
            opacity: 0.9;
            transition: all 0.3s ease;
        }

        .back-link:hover {
            opacity: 1;
            gap: 12px;
        }

        /* ===== HERO SECTION - 2 COLONNES ===== */
        .hero {
            position: relative;
            z-index: 2;
            padding: 20px 20px 60px;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        @media (max-width: 900px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        /* Colonne gauche */
        .hero-left {
            color: white;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 25px;
        }

        .hero-badge i {
            color: #7bed9f;
        }

        .hero-left h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 15px;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            font-weight: 300;
            opacity: 0.9;
            margin-bottom: 30px;
            font-style: italic;
        }

        .hero-description {
            font-size: 1.1rem;
            line-height: 1.8;
            opacity: 0.95;
        }

        .hero-description p {
            margin-bottom: 15px;
        }

        .hero-description strong {
            color: #7bed9f;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(123, 237, 159, 0.2);
            border: 1px solid rgba(123, 237, 159, 0.4);
            padding: 10px 20px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            margin-top: 20px;
        }

        /* Hero-tag dans hero-right */
        .hero-right .hero-tag {
            margin-top: 25px;
            margin-bottom: 0;
        }

        .hero-tag i {
            color: #7bed9f;
        }

        /* Bloc "Ce que vous allez apprendre" dans hero-left */
        .hero-left h2 {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 20px 20px 0 0;
            padding: 25px 35px 20px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-bottom: none;
            font-size: 1.4rem;
            margin-bottom: 0;
            display: flex;
            align-items: center;
            gap: 12px;
            color: white;
        }

        .hero-left h2 i {
            color: #7bed9f;
        }

        .hero-left h2 + p {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: 0 35px 20px;
            margin: 0;
            border-left: 2px solid rgba(255, 255, 255, 0.25);
            border-right: 2px solid rgba(255, 255, 255, 0.25);
            font-size: 1.05rem;
            line-height: 1.7;
            opacity: 0.95;
            color: white;
        }

        .hero-left h2 + p + .hero-promise {
            border-radius: 0 0 20px 20px;
            border-top: none;
            border-left: 2px solid rgba(255, 255, 255, 0.25);
            border-right: 2px solid rgba(255, 255, 255, 0.25);
            border-bottom: 2px solid rgba(255, 255, 255, 0.25);
            margin-top: 0;
        }

        /* Colonne droite — Lecteur audio + infos */
        .hero-right {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 35px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: white;
        }

        .hero-right-title {
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.8;
            margin-bottom: 20px;
        }

        .hero-right h2 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-right h2 i {
            color: #7bed9f;
        }

        .hero-right p {
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 15px;
            opacity: 0.95;
        }

        .hero-promise {
            background: rgba(123, 237, 159, 0.15);
            padding: 18px 22px;
            border-radius: 12px;
            margin-top: 25px;
        }

        .hero-promise p {
            margin: 0;
            font-weight: 500;
            font-size: 1rem;
        }

        .hero-promise i {
            color: #7bed9f;
            margin-right: 8px;
        }

        /* Lecteur audio intégré */
        .audio-player-wrapper {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .audio-player-wrapper .audio-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.7;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .audio-player-wrapper .audio-label i {
            color: #7bed9f;
        }

        .audio-player-wrapper iframe {
            border-radius: 8px;
            width: 100%;
        }

        /* ===== MAIN CONTAINER ===== */
        .main-container {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0 60px;
        }

        /* Section titre */
        .section-title {
            color: white;
            font-size: 1.8rem;
            margin-bottom: 40px;
            text-align: center;
        }

        /* ===== TIMELINE ACCORDÉONS ===== */
        .timeline-container {
            position: relative;
            padding-left: 40px;
        }

        .timeline-container::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 30px;
            bottom: 30px;
            width: 3px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 20px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -40px;
            top: 28px;
            width: 24px;
            height: 24px;
            background: white;
            border: 4px solid #4a90e2;
            border-radius: 50%;
            z-index: 2;
            transition: all 0.3s ease;
        }

        .timeline-item.active::before {
            background: #7bed9f;
            border-color: #7bed9f;
            box-shadow: 0 0 0 6px rgba(123, 237, 159, 0.3);
        }

        /* Carte accordéon */
        .accordion-card {
            background: white;
            border-radius: 16px;
            border: 2px solid rgba(74, 144, 226, 0.2);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }

        .accordion-card:hover {
            border-color: rgba(74, 144, 226, 0.4);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }

        .timeline-item.active .accordion-card {
            border-color: #7bed9f;
        }

        .accordion-header {
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 20px;
            color: #333;
            transition: all 0.3s ease;
        }

        .accordion-header:hover {
            background: #f8f9fa;
        }

        .accordion-icon {
            width: 55px;
            height: 55px;
            border-radius: 14px;
            background: linear-gradient(135deg, #3498db, #2980b9);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .accordion-icon i {
            font-size: 24px;
            color: white;
        }

        .accordion-header-content,
        .accordion-title {
            flex: 1;
        }

        .accordion-header-content h3,
        .accordion-title h2 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #2c3e50;
            line-height: 1.4;
        }

        .accordion-meta {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 0.9rem;
            color: #7f8c8d;
        }

        .accordion-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .accordion-meta .badge,
        .accordion-meta .meta-badge {
            background: #e8f4fd;
            color: #3498db;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.8rem;
        }

        .accordion-toggle,
        .accordion-chevron {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .accordion-toggle i,
        .accordion-chevron i {
            font-size: 14px;
            color: #666;
            transition: transform 0.3s ease;
        }

        .timeline-item.active .accordion-toggle,
        .timeline-item.active .accordion-chevron,
        .accordion-toggle.active,
        .accordion-chevron.active {
            background: #7bed9f;
        }

        .timeline-item.active .accordion-toggle i,
        .timeline-item.active .accordion-chevron i,
        .accordion-toggle.active i,
        .accordion-chevron.active i {
            color: white;
            transform: rotate(180deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .timeline-item.active .accordion-content,
        .accordion-content.active {
            max-height: 15000px;
        }

        .accordion-body,
        .content-body {
            padding: 0 30px 30px;
            color: #333;
        }

        .accordion-divider {
            height: 1px;
            background: #e9ecef;
            margin-bottom: 25px;
        }

        /* ===== STYLES DU CONTENU DES FICHES/ARTICLES ===== */
        .fiche-content h4 {
            font-size: 1.15rem;
            margin: 30px 0 15px;
            color: #2980b9;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .fiche-content h4:first-child {
            margin-top: 0;
        }

        .fiche-content h4 i {
            color: #3498db;
        }

        .fiche-content h5 {
            font-size: 1.05rem;
            margin: 20px 0 10px;
            color: #34495e;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .fiche-content p {
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 15px;
            color: #444;
        }

        .fiche-content ul {
            margin: 15px 0;
            padding-left: 0;
            list-style: none;
        }

        .fiche-content ul li {
            padding: 10px 0 10px 30px;
            position: relative;
            line-height: 1.6;
            color: #444;
        }

        .fiche-content ul li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #3498db;
            font-weight: bold;
        }

        .fiche-content ol {
            margin: 15px 0;
            padding-left: 30px;
        }

        .fiche-content ol li {
            padding: 8px 0;
            line-height: 1.6;
            color: #444;
        }

        /* Encadrés */
        .info-box {
            background: #f0f7ff;
            border-radius: 12px;
            padding: 20px 25px;
            margin: 25px 0;
        }

        .info-box.warning {
            background: #fff8e6;
            border-left-color: #f39c12;
        }

        .info-box.important {
            background: #fef0f0;
            border-left-color: #e74c3c;
        }

        .info-box.success {
            background: #f0fff4;
            border-left-color: #27ae60;
        }

        .info-box.neutral {
            background: #f8f9fa;
            border-left-color: #95a5a6;
        }

        .info-box.example {
            background: #fef9e7;
            border-left-color: #e67e22;
        }

        .info-box-title {
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #2c3e50;
        }

        .info-box-title i {
            color: #3498db;
        }

        .info-box.warning .info-box-title i { color: #f39c12; }
        .info-box.important .info-box-title i { color: #e74c3c; }
        .info-box.success .info-box-title i { color: #27ae60; }
        .info-box.example .info-box-title i { color: #e67e22; }

        .info-box p {
            margin: 0;
            font-size: 0.95rem;
            color: #555;
        }

        /* Tableaux */
        .fiche-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .fiche-table th,
        .fiche-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .fiche-table th {
            background: #f8f9fa;
            font-weight: 600;
            color: #2c3e50;
        }

        .fiche-table tr:last-child td { border-bottom: none; }
        .fiche-table tr:nth-child(even) { background: #fafbfc; }

        /* Comparaison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 25px 0;
        }

        @media (max-width: 600px) {
            .comparison-grid { grid-template-columns: 1fr; }
        }

        .comparison-item {
            background: #f8f9fa;
            border-radius: 16px;
            padding: 25px;
        }

        .comparison-item.positive {
            border: 2px solid #27ae60;
            background: #f0fff4;
        }

        .comparison-item.negative {
            border: 2px solid #e74c3c;
            background: #fff5f5;
        }

        .comparison-item h5 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #2c3e50;
        }

        .comparison-item.positive h5 i { color: #27ae60; }
        .comparison-item.negative h5 i { color: #e74c3c; }

        .comparison-item p,
        .comparison-item ul { color: #555; }

        /* Principe signature */
        .principe-inline {
            background: linear-gradient(135deg, #e8f8f0, #d4f1e4);
            border: 2px solid #7bed9f;
            border-radius: 12px;
            padding: 20px 25px;
            margin: 30px 0 0;
            text-align: center;
        }

        .principe-inline p {
            margin: 0;
            font-size: 1.05rem;
            color: #2c3e50;
        }

        .principe-inline strong {
            color: #27ae60;
            font-size: 1.1rem;
        }

        /* ===== NAVIGATION ENTRE ARTICLES ===== */
        .bloc-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
            padding-top: 30px;
        }

        .bloc-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: white;
            text-decoration: none;
            padding: 18px 25px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .bloc-nav-item:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        .bloc-nav-item.next { margin-left: auto; }

        .bloc-nav-item span {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .bloc-nav-item strong {
            display: block;
            font-size: 1.05rem;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 24px;
            padding: 50px;
            text-align: center;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            margin-top: 50px;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .cta-button.primary {
            background: linear-gradient(135deg, #f39c12, #e67e22);
            color: white;
            box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
        }

        .cta-button.primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(243, 156, 18, 0.5);
        }

        .cta-button.secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .cta-button.secondary:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* Footer */
        footer {
            background: rgba(0, 0, 0, 0.2);
            color: white;
            text-align: center;
            padding: 25px;
        }

        footer p {
            opacity: 0.8;
            font-size: 0.9rem;
        }

        /* ===== STYLES ADDITIONNELS POUR VARIANTES ===== */

        /* Cacher les marqueurs de timeline */
        .timeline-marker {
            display: none;
        }

        /* Navigation épisodes (variante) */
        .episode-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
            padding-top: 30px;
        }

        .episode-nav-prev,
        .episode-nav-next {
            display: flex;
            align-items: center;
            gap: 12px;
            color: white;
            text-decoration: none;
            padding: 18px 25px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .episode-nav-prev:hover,
        .episode-nav-next:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        .episode-nav-next {
            margin-left: auto;
        }

        .episode-nav-prev span,
        .episode-nav-next span {
            font-size: 0.95rem;
        }

        /* Boutons CTA (variante) */
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .cta-btn.primary {
            background: linear-gradient(135deg, #f39c12, #e67e22);
            color: white;
            box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
        }

        .cta-btn.primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(243, 156, 18, 0.5);
        }

        .cta-btn.secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .cta-btn.secondary:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-left h1 { font-size: 2rem; }
            .hero-subtitle { font-size: 1.1rem; }
            .hero-right { padding: 25px; }
            .timeline-container { padding-left: 30px; }
            .timeline-container::before { left: 8px; }
            .timeline-item::before { left: -30px; width: 20px; height: 20px; }
            .accordion-header { padding: 20px; flex-wrap: wrap; }
            .accordion-body { padding: 0 20px 25px; }
            .accordion-icon { width: 48px; height: 48px; }
            .accordion-header-content h3 { font-size: 1.1rem; }
            .cta-section { padding: 35px 25px; }
        }