:root {
            --primaire: #3B2850;
            --secondaire: #6D6D6D;
            --sombre: #1E1E1E;
            --clair: #FFFFFF;
            --accentue: #8A63D2;
            --succes: #4ADE80;
            --avertissement: #F59E0B;
            --danger: #EF4444;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--primaire);
            color: var(--clair);
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* Section Hero */
        .section-hero {
            padding: 6rem 2rem;
            text-align: center;
            background: radial-gradient(circle at 20% 50%, rgba(138, 99, 210, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 80% 50%, rgba(138, 99, 210, 0.1) 0%, transparent 50%);
        }

        .bouton-retour {
            position: fixed;
            top: 30px;
            left: 30px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: white;
            text-decoration: none;
            border-radius: 14px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.15);
            z-index: 10;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .bouton-retour:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }

        .conteneur-hero {
            max-width: 1000px;
            margin: 0 auto;
        }

        .section-hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .texte-accentue {
            background: linear-gradient(90deg, #8A63D2 0%, #FF7DEE 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .section-hero p {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Conteneur */
        .conteneur {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }

        /* Section */
        .section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .titre-section {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            font-size: 2rem;
            font-weight: 700;
        }

        .titre-section i {
            color: var(--clair);
            font-size: 2.5rem;
        }

        .icone-fonctionnalite {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(138, 99, 210, 0.2);
            margin-right: 0.75rem;
        }

        /* Carte */
        .carte {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
        }

        .carte:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .badge-carte {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background: var(--accentue);
            color: var(--clair);
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* Grille */
        .grille {
            display: grid;
            gap: 2rem;
        }

        .grille-3 {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }

        /* Cartes de tarification */
        .carte-tarif {
            background: linear-gradient(135deg, rgba(59, 40, 80, 0.5) 0%, rgba(30, 30, 30, 0.5) 100%);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 2px solid rgba(138, 99, 210, 0.2);
            transition: all 0.4s ease;
            position: relative;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .carte-tarif:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 50px rgba(138, 99, 210, 0.4);
            border-color: var(--accentue);
        }

        .carte-tarif.selectionnee {
            border-color: var(--succes);
            box-shadow: 0 20px 60px rgba(74, 222, 128, 0.5);
            background: linear-gradient(135deg, rgba(74, 222, 128, 0.15) 0%, rgba(59, 40, 80, 0.5) 100%);
        }

        .carte-tarif.selectionnee::after {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: var(--succes);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            animation: animation-checkmark 0.5s ease;
        }

        @keyframes animation-checkmark {
            0% {
                transform: scale(0) rotate(-180deg);
                opacity: 0;
            }
            50% {
                transform: scale(1.2) rotate(10deg);
            }
            100% {
                transform: scale(1) rotate(0deg);
                opacity: 1;
            }
        }

        .carte-tarif.populaire {
            border-color: var(--accentue);
            box-shadow: 0 12px 40px rgba(138, 99, 210, 0.4);
        }

        .en-tete-tarif {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .carte-tarif h3 {
            font-size: 1.5rem;
            color: var(--accentue);
            margin: 0;
        }

        .carte-tarif .prix {
            font-size: 3rem;
            font-weight: 800;
            color: var(--clair);
            margin-bottom: 0.5rem;
        }

        .carte-tarif .periode-prix {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
        }

        .carte-tarif ul {
            list-style: none;
            margin: 2rem 0;
            flex-grow: 1;
        }

        .bouton-envoi {
            font-family: 'Space Grotesk', sans-serif;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--accentue), #8A63D2);
            color: white;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(138, 99, 210, 0.4);
        }

        .bouton-envoi:hover {
            transform: scale(1.05) translateY(-2px);
            box-shadow: 0 5px 12.5px rgba(138, 99, 210, 0.6);
        }

        .carte-tarif li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .carte-tarif li i {
            color: var(--succes);
            margin-top: 0.25rem;
            font-size: 1.1rem;
        }

        .bouton-primaire {
            display: block;
            width: 100%;
            padding: 14px 28px;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Space Grotesk', sans-serif;
            background: linear-gradient(135deg, var(--accentue), #6B46A8);
            color: white;
            box-shadow: 0 4px 15px rgba(138, 99, 210, 0.3);
            margin-top: auto;
        }

        .bouton-primaire:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 99, 210, 0.5);
            background: linear-gradient(135deg, #9B7DE8, var(--accentue));
        }

        .bouton-primaire:active {
            transform: translateY(0);
        }

        .carte-tarif.selectionnee .bouton-primaire {
            background: linear-gradient(135deg, var(--succes), #3BAD66);
            box-shadow: 0 4px 15px rgba(81, 207, 128, 0.4);
        }

        .carte-tarif.selectionnee .bouton-primaire:hover {
            background: linear-gradient(135deg, #5FE890, var(--succes));
            box-shadow: 0 6px 20px rgba(81, 207, 128, 0.4);
        }

        /* Boîtes de fonctionnalités */
        .boite-fonctionnalite {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .boite-fonctionnalite:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .icone-boite-fonctionnalite {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(138, 99, 210, 0.2);
            color: var(--clair);
            flex-shrink: 0;
        }

        .contenu-boite-fonctionnalite h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--clair);
        }

        .contenu-boite-fonctionnalite p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            margin: 0;
        }

        /* Boîte de mise en évidence */
        .boite-mise-en-evidence {
            background: linear-gradient(135deg, rgba(138, 99, 210, 0.2) 0%, rgba(107, 70, 168, 0.2) 100%);
            border-radius: 16px;
            padding: 2rem;
            border: 2px solid var(--accentue);
            margin-top: 1.5rem;
        }

        .boite-mise-en-evidence h3 {
            color: var(--clair);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .boite-mise-en-evidence ul {
            list-style: none;
            margin-top: 1rem;
        }

        .boite-mise-en-evidence li {
            padding-left: 1.5rem;
            margin-bottom: 0.75rem;
            position: relative;
            color: rgba(255, 255, 255, 0.85);
        }

        .boite-mise-en-evidence li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--succes);
            font-weight: 700;
        }

        /* Section CTA */
        .section-cta {
            background: linear-gradient(135deg, var(--accentue) 0%, #6B46A8 100%);
            border-radius: 20px;
            padding: 4rem 2rem;
            text-align: center;
            box-shadow: 0 20px 50px rgba(138, 99, 210, 0.4);
        }

        .section-cta i {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        .section-cta h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .section-cta p {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }

        .bouton-blanc {
            background: var(--clair);
            color: var(--accentue);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 1.5rem;
            border-radius: 9999px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .bouton-blanc:hover {
            background: rgba(255, 255, 255, 0.95);
            transform: translateY(-2px);
        }

        /* Pied de page */
        .pied-de-page {
            background: rgba(0, 0, 0, 0.2);
            padding: 3rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .conteneur-pied-de-page {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .marque-pied-de-page {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .marque-pied-de-page i {
            font-size: 1.5rem;
            background: linear-gradient(90deg, #8A63D2 0%, #FF7DEE 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .marque-pied-de-page span {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            background: linear-gradient(90deg, #8A63D2 0%, #FF7DEE 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .description-pied-de-page {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
            font-size: 0.875rem;
        }

        .social-pied-de-page {
            display: flex;
            gap: 1rem;
        }

        .icone-social {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: background 0.3s ease;
        }

        .icone-social:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .titre-liens-pied-de-page {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: white;
        }

        .liste-liens-pied-de-page {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .lien-pied-de-page {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.3s ease;
        }

        .lien-pied-de-page:hover {
            color: white;
        }

        .bas-pied-de-page {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
        }

        .copyright-pied-de-page {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }

        .legal-pied-de-page {
            display: flex;
            gap: 1.5rem;
        }

        .lien-legal {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
            text-decoration: none;
        }

        /* Notification */
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #8A63D2 0%, #6B46A8 100%);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            z-index: 10000;
            opacity: 0;
            transform: translateX(100%);
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            max-width: 350px;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .notification.afficher {
            opacity: 1;
            transform: translateX(0);
        }

        .notification i {
            font-size: 1.5rem;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .conteneur-pied-de-page {
                grid-template-columns: repeat(4, 1fr);
            }
            .bas-pied-de-page {
                flex-direction: row;
            }
            .copyright-pied-de-page {
                margin-bottom: 0;
            }
        }

        @media (max-width: 600px) {
            .conteneur-pied-de-page {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .bas-pied-de-page {
                flex-direction: column;
                text-align: center;
            }
            .legal-pied-de-page {
                margin-top: 1rem;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .section-hero h1 {
                font-size: 2.5rem;
            }
            
            .section-hero p {
                font-size: 1.1rem;
            }
            
            .titre-section {
                font-size: 1.5rem;
            }
            
            .carte-tarif .prix {
                font-size: 2.5rem;
            }   
            
            .section-cta h2 {
                font-size: 2rem;
            }
            
            .section-cta p {
                font-size: 1.1rem;
            }

            .grille-3 {
                grid-template-columns: 1fr;
            }
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animation-fade-in {
            animation: fadeIn 0.6s ease-out;
        }

        .texte-centre {
            text-align: center;
        }

        .marge-top-2 {
            margin-top: 2rem;
        }