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

        :root {
            --primary-gradient: linear-gradient(135deg, #ff6b9d 0%, #4ecdc4 100%);
            --timeline-color: #4ecdc4;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-border: rgba(255, 255, 255, 0.1);
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.75);
            --text-tertiary: rgba(255, 255, 255, 0.5);
            --formation-accent: rgba(255, 107, 157, 0.3);
            --experience-accent: rgba(78, 205, 196, 0.3);
            --spacing-base: 80px;
            --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            overflow-x: hidden;
        }

        /* === STRUCTURE PRINCIPALE === */
        .timeline-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 100px 20px;
            min-height: 100vh;
        }

        .timeline-container {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 120px;
            padding: 60px 0;
        }

        /* === LIGNE CENTRALE === */
        .vertical-line {
            position: absolute;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, 
                transparent 0%, 
                var(--timeline-color) 5%, 
                var(--timeline-color) 95%, 
                transparent 100%
            );
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1;
        }

        .vertical-line::before,
        .vertical-line::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--timeline-color);
            box-shadow: 0 0 20px rgba(78, 205, 196, 0.6);
        }

        .vertical-line::before {
            top: 0;
        }

        .vertical-line::after {
            bottom: 0;
        }

        /* === COLONNES === */
        .timeline-left,
        .timeline-right {
            position: relative;
            z-index: 2;
        }

        /* Headers des colonnes */
        .timeline-header {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 80px;
            text-align: center;
            color: var(--text-primary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            position: relative;
            padding-bottom: 20px;
        }

        .timeline-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .timeline-left .timeline-header::after {
            background: linear-gradient(90deg, #ff6b9d, #ff8fb3);
        }

        .timeline-right .timeline-header::after {
            background: linear-gradient(90deg, #4ecdc4, #6ee7de);
        }

        /* === ITEMS DE TIMELINE === */
        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-base);
            opacity: 1;
            transform: scale(1);
            transition: all 0.5s var(--transition-smooth);
        }

        /* Carte active - pleine visibilité */
        .timeline-item.active {
            opacity: 1;
            transform: scale(1);
        }

        /* Carte inactive - opacité réduite */
        .timeline-item.inactive {
            opacity: 0.2;
            transform: scale(0.95);
            pointer-events: none;
        }

        /* === POINTS DE CONNEXION === */
        .timeline-dot {
            position: absolute;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-gradient);
            top: 50%;
            transform: translateY(-50%);
            z-index: 10;
            transition: all 0.4s ease;
            box-shadow: 0 0 0 0 rgba(255, 107, 157, 0.4);
            opacity: 0.5;
        }

        .timeline-left .timeline-dot {
            right: -70px;
        }

        .timeline-right .timeline-dot {
            left: -70px;
        }

        /* Point actif */
        .timeline-item.active .timeline-dot {
            opacity: 1;
            animation: pulse 2s infinite;
            transform: translateY(-50%) scale(1.2);
        }

        /* Point inactif */
        .timeline-item.inactive .timeline-dot {
            opacity: 0.2;
            animation: none;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 107, 157, 0.7);
            }
            50% {
                box-shadow: 0 0 0 15px rgba(255, 107, 157, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 157, 0);
            }
        }

        /* Ligne de connexion */
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 50%;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, 
                var(--card-border) 0%, 
                var(--timeline-color) 100%
            );
            z-index: 1;
            opacity: 0.3;
            transition: opacity 0.4s ease;
        }

        .timeline-left .timeline-item::before {
            right: -40px;
        }

        .timeline-right .timeline-item::before {
            left: -40px;
            background: linear-gradient(90deg, 
                var(--timeline-color) 0%, 
                var(--card-border) 100%
            );
        }

        /* Ligne de connexion active */
        .timeline-item.active::before {
            opacity: 1;
        }

        /* Ligne de connexion inactive */
        .timeline-item.inactive::before {
            opacity: 0.1;
        }

        /* === CONTENU DES CARTES === */
        .timeline-content {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 32px;
            border-radius: 16px;
            border: 2px solid var(--card-border);
            position: relative;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        /* Style spécifique pour les formations */
        .timeline-left .timeline-content {
            background: rgba(255, 107, 157, 0.08);
            border-color: var(--formation-accent);
            padding: 36px;
        }

        /* Style spécifique pour les expériences */
        .timeline-right .timeline-content {
            background: rgba(78, 205, 196, 0.05);
            border-color: var(--experience-accent);
        }

        /* Hover effects - uniquement sur les cartes actives */
        .timeline-item.active .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .timeline-left .timeline-item.active .timeline-content:hover {
            border-color: rgba(255, 107, 157, 0.6);
            box-shadow: 0 20px 40px rgba(255, 107, 157, 0.2);
        }

        .timeline-right .timeline-item.active .timeline-content:hover {
            border-color: rgba(78, 205, 196, 0.6);
            box-shadow: 0 20px 40px rgba(78, 205, 196, 0.2);
        }

        /* === CONTENU TEXTUEL === */
        .timeline-year {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--timeline-color);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
            display: inline-block;
            padding: 4px 12px;
            background: rgba(78, 205, 196, 0.1);
            border-radius: 4px;
        }

        .timeline-left .timeline-year {
            background: rgba(255, 107, 157, 0.15);
            color: #ff8fb3;
        }

        .timeline-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .timeline-left .timeline-title {
            font-size: 1.4rem;
            font-weight: 700;
        }

        .timeline-description {
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .timeline-location {
            font-size: 0.9rem;
            color: var(--text-tertiary);
            font-style: italic;
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .timeline-location::before {
            content: '📍';
            font-style: normal;
        }

        /* === PLACEHOLDERS === */
        .placeholder .timeline-content {
            background: rgba(255, 255, 255, 0.02);
            border-style: dashed;
            border-color: rgba(255, 255, 255, 0.15);
        }

        .placeholder .timeline-title,
        .placeholder .timeline-description {
            opacity: 0.5;
        }

        /* === NOUVELLE SECTION PARCOURS SANS FILTRE === */
        .story-section {
            max-width: 900px;
            margin: 120px auto 60px;
            padding: 0 20px;
            text-align: center;
        }

        .story-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 50px;
            position: relative;
            display: inline-block;
        }

        .story-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .story-content {
            text-align: left;
            max-width: 800px;
            margin: 0 auto;
        }

        .story-content p {
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text-primary);
            margin-bottom: 20px;
            padding-left: 20px;
            position: relative;
        }

        .story-content p::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--timeline-color);
            font-weight: bold;
        }

        .story-content strong {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
        }

        /* === BOUTON CTA === */
        .story-cta {
            text-align: center;
            margin: 60px auto 100px;
            padding: 0 20px;
        }

        .btn-gradient-alt {
            display: inline-block;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-decoration: none;
            background: var(--primary-gradient);
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-gradient-alt::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #4ecdc4 0%, #ff6b9d 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .btn-gradient-alt:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 107, 157, 0.5);
        }

        .btn-gradient-alt:hover::before {
            opacity: 1;
        }

        .btn-gradient-alt span {
            position: relative;
            z-index: 1;
        }

        /* === SCROLL INDICATOR === */
        .scroll-indicator {
            position: fixed;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.9rem;
            color: var(--text-tertiary);
            z-index: 100;
            pointer-events: none;
            animation: bounce 2s infinite;
            text-align: center;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateX(-50%) translateY(0);
                opacity: 0.4;
            }
            50% {
                transform: translateX(-50%) translateY(-10px);
                opacity: 0.8;
            }
        }

        /* === RESPONSIVE === */
        @media (max-width: 1024px) {
            :root {
                --spacing-base: 60px;
            }

            .timeline-container {
                gap: 80px;
            }

            .timeline-left .timeline-dot {
                right: -50px;
            }

            .timeline-right .timeline-dot {
                left: -50px;
            }

            .story-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .timeline-container {
                grid-template-columns: 1fr;
                gap: 0;
                padding-left: 60px;
            }

            .vertical-line {
                left: 20px;
            }

            .timeline-left,
            .timeline-right {
                padding: 0;
            }

            .timeline-left .timeline-dot,
            .timeline-right .timeline-dot {
                left: -50px;
                right: auto;
            }

            .timeline-left .timeline-item::before,
            .timeline-right .timeline-item::before {
                left: -40px;
                right: auto;
                background: linear-gradient(90deg, 
                    var(--timeline-color) 0%, 
                    var(--card-border) 100%
                );
            }

            .timeline-header {
                text-align: left;
                font-size: 1.3rem;
                margin-bottom: 50px;
            }

            .timeline-header::after {
                left: 0;
                transform: none;
            }

            .timeline-content {
                padding: 24px;
            }

            .timeline-left .timeline-content {
                padding: 28px;
            }

            .story-title {
                font-size: 1.8rem;
            }

            .story-content p {
                font-size: 1rem;
            }

            .btn-gradient-alt {
                padding: 14px 32px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .timeline-wrapper {
                padding: 60px 16px;
            }

            .timeline-container {
                padding-left: 50px;
            }

            .vertical-line {
                left: 15px;
                width: 3px;
            }

            .timeline-dot {
                width: 16px;
                height: 16px;
            }

            .timeline-title {
                font-size: 1.1rem;
            }

            .timeline-left .timeline-title {
                font-size: 1.25rem;
            }

            .timeline-description {
                font-size: 0.95rem;
            }

            .story-title {
                font-size: 1.5rem;
            }

            .story-content p {
                font-size: 0.95rem;
                line-height: 1.7;
            }

            .btn-gradient-alt {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* === ANIMATIONS D'ENTRÉE === */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .page-title {
            animation: fadeInUp 0.8s var(--transition-smooth);
        }

        .timeline-header {
            animation: fadeInUp 0.8s var(--transition-smooth) 0.2s both;
        }