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

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        background: white;
        color: #1e293b;
        line-height: 1.6;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .container-nav {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    /* Navigation */
    nav {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     z-index: 1000;
     background: rgba(255, 255, 255, 0.8);
     backdrop-filter: blur(20px);
     border-bottom: 1px solid #f1f5f9;
 }

 .nav-content {
     display: flex;
     justify-content: space-between;
     align-items: center;
     height: 80px;
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 1.5rem;
     position: relative;
 }

 .logo {
     display: flex;
     align-items: center;
     gap: 0.75rem;
     text-decoration: none;
     z-index: 1001;
 }

 /* Menu toggle (burger) */
 .menu-toggle {
     display: none;
     background: none;
     border: none;
     cursor: pointer;
     padding: 0.5rem;
     z-index: 1001;
     color: #1e3a8a;
 }

 .menu-toggle .close-icon {
     display: none;
 }

 .menu-toggle.active .menu-icon {
     display: none;
 }

 .menu-toggle.active .close-icon {
     display: block;
 }

 .nav-buttons {
     display: flex;
     gap: 1rem;
     align-items: center;
 }

 .btn {
     padding: 0.4rem 15px;
     border-radius: 9999px;
     font-weight: 500;
     text-decoration: none;
     transition: all 0.3s;
     cursor: pointer;
     border: none;
     font-size: 1rem;
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
 }

 .btn-outline {
     border: 1px solid #93c5fd;
     background: transparent;
     color: #1e3a8a;
 }

 .btn-outline:hover {
     background: #eff6ff;
 }

 .btn-primary {
     background: #1e3a8a;
     color: white;
 }

 .btn-primary:hover {
     background: #1e40af;
 }

 .btn-lg {
     padding: 1rem 2rem;
     height: 56px;
 }

 /* Responsive */
 @media (max-width: 768px) {
     .menu-toggle {
         display: flex;
         align-items: center;
         justify-content: center;
     }

     .nav-buttons {
         position: fixed;
         top: 80px;
         left: 0;
         right: 0;
         background: rgba(255, 255, 255, 0.95);
         backdrop-filter: blur(20px);
         flex-direction: column;
         padding: 1rem 1.5rem;
         gap: 1.5rem;
         box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
         transform: translateY(-100%);
         opacity: 0;
         visibility: hidden;
         transition: all 0.3s ease-in-out;
         z-index: 999;
     }

     .nav-buttons.active {
         transform: translateY(0);
         opacity: 1;
         visibility: visible;
     }

     .nav-buttons a {
         width: 100%;
         justify-content: center;
         padding: 12px 1rem;
         font-size: 1.1rem;
     }

     .nav-content {
         padding: 0 1rem;
     }

     .logo svg {
         width: 285px;
         height: auto;
     }
 }

 @media (max-width: 480px) {
     .logo svg {
         width: 285px;
     }

     .nav-content {
         height: 70px;
     }

     .nav-buttons {
         top: 70px;
     }
 }


    /* Hero Section */
    .hero {
        position: relative;
        padding: 11rem 0 8rem;
        overflow: hidden;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom right, #f8fafc, white, rgba(239, 246, 255, 0.3));
    }

    .hero-blur {
        position: absolute;
        top: 5rem;
        right: 0;
        width: 600px;
        height: 600px;
        background: linear-gradient(to bottom right, rgba(191, 219, 254, 0.4), rgba(199, 210, 254, 0.3));
        border-radius: 50%;
        filter: blur(80px);
    }

    .hero-content {
        position: relative;
        max-width: 56rem;
        margin: 0 auto;
        text-align: center;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        background: #dbeafe;
        border-radius: 9999px;
        margin-bottom: 2rem;
    }

    .badge-text {
        font-size: 0.875rem;
        color: #1e3a8a;
        font-weight: 500;
    }

    h1 {
        font-size: clamp(2rem, 5vw, 3.75rem);
        font-weight: 700;
        line-height: 1.1;
        letter-spacing: -0.02em;
        margin-bottom: 1.5rem;
        color: #1e293b;
    }

    h2 {
        font-size: clamp(1.875rem, 4vw, 2.25rem);
        font-weight: 700;
        color: #1e3a8a;
        margin-bottom: 1rem;
    }

    .gradient-text {
        display: block;
        background: linear-gradient(to right, #1e3a8a, #1e40af, #1e3a8a);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-description {
        font-size: 1.25rem;
        color: #475569;
        line-height: 1.8;
        margin-bottom: 2.5rem;
        max-width: 48rem;
        margin-left: auto;
        margin-right: auto;
    }

    /* Sections */
    section {
        padding: 6rem 0;
    }

    .section-bg-gray {
        background: #f8fafc;
    }

    .section-bg-blue {
        background: #1e3a8a;
    }

    .section-header {
        text-align: center;
        margin-bottom: 4rem;
    }

    .section-description {
        font-size: 1.125rem;
        color: #475569;
        max-width: 42rem;
        margin: 0 auto;
    }

    /* Grid */
    .grid {
        display: grid;
        gap: 1.5rem;
    }

    .grid-2 {
        grid-template-columns: repeat(auto-fit, minmax(400px, 2fr));
    }

    /* Conteneur principal */
    .grid-3 {
        display: grid;
        gap: 24px;
        width: 100%;
    }

    /* Cartes */
    .card {
        width: 100%;
    }

    /* MOBILE : une carte par ligne, largeur 90% */
    @media (max-width: 1023px) {
        .grid-3 {
            grid-template-columns: 1fr;
            justify-items: center;
        }

        .card {
            width: 100%;
        }

        .last-row {
            display: contents;
            /* on supprime le wrapper sur mobile */
        }
    }

    /* DESKTOP */
    @media (min-width: 1024px) {
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        /* ligne du bas centrée */
        .last-row {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            gap: 24px;
        }

        /* largeur identique aux colonnes du haut */
        .last-row .card {
            width: calc((100% - 48px) / 3);
        }
    }


    /*ce qui nous different*/
    /* Conteneur principal */
    .differentiators-grid {
        display: grid;
        gap: 24px;
        width: 100%;
    }

    /* Cartes */
    .card {
        width: 100%;
    }

    /* MOBILE : une carte par ligne, largeur 90% */
    @media (max-width: 1023px) {
        .differentiators-grid {
            grid-template-columns: 1fr;
            justify-items: center;
        }

        .card {
            width: 90%;
        }

        .last-row {
            display: contents;
            /* supprime le wrapper sur mobile */
        }
    }

    /* DESKTOP */
    @media (min-width: 1024px) {
        .differentiators-grid {
            grid-template-columns: repeat(3, 1fr);
        }

        /* ligne du bas centrée */
        .last-row {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            gap: 24px;
        }

        /* largeur identique aux colonnes du haut */
        .last-row .card {
            width: calc((100% - 48px) / 3);
            /* 48px = 2 gaps de 24px */
        }
    }

    /* fin ce qui nous different */

    @media (min-width: 1024px) {
        .grid-2-lg {
            grid-template-columns: repeat(2, 1fr);
            gap: 4rem;
            align-items: center;
        }
    }

    /* Cards */
    .card {
        background: white;
        border: 1px solid #cbd5e1;
        border-radius: 1rem;
        padding: 2rem;
        transition: all 0.3s;
        height: 100%;
    }

    .card:hover {
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }

    .card-blue {
        border: 1px solid #bfdbfe;
        background: white;
    }

    .card-gradient {
        border: 1px solid #bfdbfe;
        background: linear-gradient(to bottom right, #eff6ff, white);
    }

    .card-icon {
        width: 56px;
        height: 56px;
        background: linear-gradient(to bottom right, #1e3a8a, #1e40af);
        border-radius: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.5rem;
        transition: transform 0.3s;
    }

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

    .card-title {
        font-size: 1.25rem;
        font-weight: 600;
        color: #1e3a8a;
        margin-bottom: 0.75rem;
    }

    .card-description {
        color: #475569;
        line-height: 1.7;
    }

    /* Mission/Vision Section */
    .mission-vision-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    @media (min-width: 1024px) {
        .mission-vision-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .feature-list {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .feature-list-item {
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .feature-icon-wrapper {
        width: 24px;
        height: 24px;
        background: #dbeafe;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        margin-top: 2px;
    }

    /* Expertise Grid */
    .expertise-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .expertise-item {
        display: flex;
        align-items: flex-start;
        gap: 1rem;
    }

    .expertise-icon {
        width: 48px;
        height: 48px;
        background: #dbeafe;
        border-radius: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    /* Target Clients */
    .target-client-card {
        display: flex;
        align-items: flex-start;
        gap: 1rem;
    }

    /* Blue Section */
    .blue-section {
        background: #1e3a8a;
    }

    .blue-section h2 {
        color: white;
    }

    .blue-section .section-description {
        color: #cbd5e1;
    }

    .blue-card {
        background: rgba(30, 64, 175, 0.5);
        border: 1px solid #1e40af;
    }

    .blue-card h3 {
        color: white;
        font-size: 0.875rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .blue-card ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .blue-card li {
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        color: #dbeafe;
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }

    /* CTA Section */
    .cta-section {
        text-align: center;
        padding: 6rem 0;
        background: #f8fafc;
    }

    .cta-content {
        max-width: 56rem;
        margin: 0 auto;
    }

    /* Footer */
    footer {
        background: #1e3a8a;
        padding: 4rem 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 3rem;
        margin-bottom: 3rem;
    }

    footer h4 {
        font-size: 1rem;
        font-weight: 600;
        color: white;
        margin-bottom: 1rem;
    }

    footer p {
        color: #94a3b8;
    }

    footer a {
        color: #94a3b8;
        text-decoration: none;
        transition: color 0.3s;
    }

    footer a:hover {
        color: white;
    }

    .footer-bottom {
        padding-top: 2rem;
        border-top: 1px solid #1e40af;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer-copyright {
        font-size: 0.875rem;
        color: #64748b;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .hero {
            padding: 8rem 0 4rem;
        }

        .container-nav {
            width: 100% !important;
            /* max-width: 1280px; */
            margin: 0 auto;
            padding: 0 1rem;
        }

        .btn {
            padding: 0.3rem 1rem;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .card-gradient {
            border: 1px solid #bfdbfe;
            background: linear-gradient(to bottom right, #eff6ff, white);
            width: 100%;
        }

        .blue-card {
            background: rgba(30, 64, 175, 0.5);
            border: 1px solid #1e40af;
            width: 100%;
        }

        .card-blue {
            border: 1px solid #bfdbfe;
            background: white;
            width: 100%;
        }

        .grid-2 {
            grid-template-columns: repeat(auto-fit, minmax(300px, 2fr));
        }
    }

    @media (min-width: 1024px) {
        .container {
            padding: 0 2rem;
        }
    }