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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .center-text {
    text-align: center;        /* Centre le texte */
    list-style-position: inside; /* Pour centrer aussi les puces */
    padding: 0;
    margin: 0 auto;
}


        .logo {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: bold;
            color: #6366f1;
            text-decoration: none;
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #6366f1;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #6366f1;
            transition: width 0.3s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #6366f1;
        }

        .hero {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-bg-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(31, 77, 140, 0.3), rgba(49, 99, 168, 0.25));
            z-index: -1;
        }

        .hero-content {
            text-align: center;
            color: white;
            z-index: 1;
            padding: 2rem;
        }

        .hero-title {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
            animation: fadeInUp 1s ease;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            animation: fadeInUp 1s ease 0.2s both;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: white;
            color: #1f4d8c;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid white;
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            background: white;
            color: #1f4d8c;
        }

        .section {
            padding: 6rem 0;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 1rem;
            color: #1f2937;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .section-title.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-description {
            text-align: center;
            font-size: 1.2rem;
            color: #6b7280;
            max-width: 800px;
            margin: 0 auto 3rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease 0.2s;
        }

        .section-description.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .card-soft {
            background: linear-gradient(135deg, #1f4d8c 0%, #3163a8 100%);
            padding: 2.5rem;
            border-radius: 20px;
            color: white;
            margin: 3rem 0;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .card-soft.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .card-soft ul {
            list-style: none;
        }

        .card-soft li {
            margin: 1.2rem 0;
            font-size: 1.15rem;
            line-height: 1.8;
        }

        .project-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .media-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            cursor: pointer;
            min-height: 480px;
            display: flex;
            flex-direction: column;
            opacity: 0;
            transform: translateY(50px);
        }

        .media-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .media-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(31, 77, 140, 0.3);
        }

        .media-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .media-card:hover img {
            transform: scale(1.1);
        }

        .media-caption {
            font-weight: 700;
            font-size: 1.4rem;
            padding: 1.5rem 1.5rem 0.5rem;
            color: #1f2937;
        }

        .media-description {
            padding: 0 1.5rem 1.5rem;
            color: #6b7280;
            font-size: 1.05rem;
            line-height: 1.8;
            flex-grow: 1;
        }


        .section-services{
            background-color: #3163a8;
            color: white;
        }

        .section-title-service{
            color: white;
            font-size: 3.5rem;
            align-items: center;
            text-align: center;
            padding-bottom: 40px;
        }

        .section-description-service{
            color: white;
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 30px;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .service-card {
            background: white;
            padding: 2rem 2.5rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
            min-height: 450px;
            display: flex;
            flex-direction: column;
            opacity: 0;
            transform: translateY(50px);
            height: 400px;
        }


        .service-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #1f4d8c, #3163a8);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 50px rgba(31, 77, 140, 0.25);
        }

        .service-icon {
            font-size: 3.5rem;
            color: #1f4d8c;
            margin-bottom: 2.5rem;
            transition: all 0.4s ease;
        }

        .service-card:hover .service-icon {
            transform: scale(1.2) rotateY(360deg);
            color: #3163a8;
        }

        .service-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.8rem;
            color: #1f2937;
        }

        .service-description {
            color: #6b7280;
            line-height: 2;
            font-size: 1.1rem;
        }

        .videos {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .video-container {
            width: 100%;
            max-width: 100%;
            margin: 0;
            border-radius: 0;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .video-container video {
            width: 100%;
            display: block;
        }

        .team-carousel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .team-member {
            background: white;
            border-radius: 20px;
            padding: 3rem 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: all 0.4s ease;
            min-height: 420px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            opacity: 0;
            transform: translateY(50px);
        }

        .team-member.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .team-member:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(31, 77, 140, 0.3);
        }

        .member-image {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background-size: cover;
            background-position: center;
            margin: 0 auto 2rem;
            border: 6px solid #1f4d8c;
            transition: all 0.4s ease;
        }

        .team-member:hover .member-image {
            transform: scale(1.1);
            border-color: #3163a8;
        }

        .member-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #1f2937;
        }

        .member-role {
            color: #1f4d8c;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .pre-contact {
            background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf4 100%);
            padding: 6rem 0;
        }

        .pre-contact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            max-width: 1200px;
            margin: 3rem auto 0;
        }

        .feature-highlight {
            background: white;
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(50px);
        }

        .feature-highlight.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .feature-highlight:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(31, 77, 140, 0.25);
        }

        .feature-icon {
            font-size: 4.5rem;
            color: #1f4d8c;
            margin-bottom: 2rem;
            transition: all 0.4s ease;
        }

        .feature-highlight:hover .feature-icon {
            transform: scale(1.15) rotate(5deg);
            color: #3163a8;
        }

        .feature-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #1f2937;
        }

        .feature-text {
            color: #6b7280;
            line-height: 1.8;
            font-size: 1.05rem;
        }

        .contact {
            background: linear-gradient(135deg, #1f4d8c 0%, #3163a8 100%);
            color: white;
        }

        .contact .section-title,
        .contact .section-description {
            color: white;
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            background: rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            border-radius: 15px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(10px);
        }

        .contact-icon {
            font-size: 2rem;
            background: white;
            color: #1f4d8c;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 15px;
            flex-shrink: 0;
        }

        .contact-item h4 {
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .contact-form {
            background: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #1f2937;
        }

        .form-input {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e5e7eb;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .form-input:focus {
            outline: none;
            border-color: #1f4d8c;
            box-shadow: 0 0 0 3px rgba(31, 77, 140, 0.1);
        }

        .form-textarea {
            resize: vertical;
            min-height: 150px;
        }

        .contact-form .btn-primary {
            width: 100%;
            justify-content: center;
            cursor: pointer;
            border: none;
            font-size: 1.1rem;
        }

        .footer {
            background: #1f2937;
            color: white;
            padding: 4rem 0 2rem;
        }

        .footer__container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem 3rem;
        }

        .footer__brand .footer__logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #3163a8;
        }

        .footer__brand p {
            margin-bottom: 1.5rem;
            color: #9ca3af;
            line-height: 1.8;
        }

        .footer__contact {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
            color: #d1d5db;
        }

        .footer__icon {
            color: #3163a8;
            font-size: 1.2rem;
        }

        .footer__links h3 {
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            color: white;
        }

        .footer__links ul {
            list-style: none;
        }

        .footer__links ul li {
            margin-bottom: 0.8rem;
        }

        .footer__links a {
            color: #9ca3af;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer__links a:hover {
            color: #3163a8;
            padding-left: 5px;
        }

        .footer__social {
            display: flex;
            gap: 1rem;
            grid-column: 1 / -1;
            justify-content: center;
            padding-top: 2rem;
            border-top: 1px solid #374151;
        }

        .footer__social a {
            width: 50px;
            height: 50px;
            background: #374151;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 1.3rem;
            transition: all 0.3s ease;
        }

        .footer__social a:hover {
            background: #3163a8;
            transform: translateY(-5px);
        }

        .footer__copyright {
            text-align: center;
            padding: 2rem 0 1rem;
            color: #9ca3af;
            border-top: 1px solid #374151;
            margin-top: 2rem;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            .project-grid,
            .services-grid,
            .team-carousel,
            .pre-contact-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .contact-content {
                grid-template-columns: 1fr;
            }

            .footer__container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                padding: 2rem;
                transition: left 0.3s ease;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            }

            .nav-menu.active {
                left: 0;
            }

            .mobile-menu-btn {
                display: block;
            }

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

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .project-grid,
            .services-grid,
            .team-carousel,
            .pre-contact-grid {
                grid-template-columns: 1fr;
            }

            .footer__container {
                grid-template-columns: 1fr;
            }

            .service-icon {
                font-size: 4rem;
            }

            .member-image {
                width: 150px;
                height: 150px;
            }
        }