@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
       * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-blue: #ffffff;
            --light-blue: #c9d6eb;
            --very-light-blue: #0f204c;
            --white: #01113a;
            --text-dark: #c6e4ed;
            --text-gray: #aebad1;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            /* === IMAGE DE FOND === */
            background: url("background hero.jpg") no-repeat center center fixed;
            background-size: cover;
            position: relative;
            color: var(--text-dark);
        }

        /* Superposition foncée pour lisibilité du texte */
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55); /* ajuste l’opacité ici */
            z-index: -1;
        }

        header {
            background: linear-gradient(135deg, #01113a 0%, #0a2a7d 100%);
            color: white;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .logo {
            font-weight: bold;
            font-family: 'Montserrat', Arial, Helvetica, sans-serif;
            width: 70px;
            height: 70px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.7rem;
            text-align: left;
            padding: 0.5rem;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: opacity 0.3s;
            font-weight: 500;
        }

        .nav-links a:hover {
            opacity: 0.8;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: rgb(255, 255, 255);
            font-size: 1.5rem;
            cursor: pointer;
        }

        main {
            margin-top: 0px;
        }

        section {
            padding: 4rem 2rem;
            max-width: 100%;
            margin: 2rem auto;
        }

        .card {
            background: var(--white);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.15);
        }

        .dieuwrigne-section {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 2rem;
            align-items: start;
        }

        .actualités-section {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 2rem;
            align-items: start;
        }

        .photo-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--very-light-blue) 0%, var(--light-blue) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 0.9rem;
            text-align: center;
            padding: 0rem;
        }

        .video-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--very-light-blue) 0%, var(--light-blue) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin: 2rem 0;
        }
        .youtube-placeholder {
            width: 100%;
            height: 500px;
            background: linear-gradient(135deg, var(--very-light-blue) 0%, var(--light-blue) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin: 2rem 0;
        }

        .bureau-placeholder {
            width: 100%;
            height: 500px;
            background: linear-gradient(135deg, var(--very-light-blue) 0%, var(--light-blue) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin: 2rem 0;
        }

        .secteurs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .secteur-card {
            background: var(--white);
            border: 2px solid var(--very-light-blue);
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s;
        }

        .secteur-card:hover {
            border-color: var(--light-blue);
            transform: scale(1.05);
        }

        .secteur-icon {
            width: 100%;
            height: 100%;
            background: var(--very-light-blue);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 2rem;
        }

        .social-links {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
            margin: 2rem 0;
        }

        .social-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.5rem;
            background: var(--light-blue);
            color: var(--white);
            text-decoration: none;
            border-radius: 25px;
            transition: all 0.3s;
            font-weight: 500;
        }

        .social-btn:hover {
            background: var(--primary-blue);
            transform: scale(1.05);
        }

        .map-container {
            width: 250px;
            height: auto;
            background: var(--very-light-blue);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            margin: 2rem 0;
        }

        .evenements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .evenement-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }

        .evenement-card:hover {
            transform: translateY(-5px);
        }

        .evenement-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--very-light-blue) 0%, var(--light-blue) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
        }

        .evenement-content {
            padding: 1.5rem;
        }

        .projet-card {
            background: var(--white);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            border-left: 4px solid var(--light-blue);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .projet-image {
            width: 250px;
            height: 100%;
            background: var(--very-light-blue);
            border-radius: 8px;
            margin: 1rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
        }

        .communique-image {
            width: 100%;
            height: 100%;
            background: var(--very-light-blue);
            border-radius: 8px;
            margin: 1rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
        }

        .kourel-section {
            background: var(--very-light-blue);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .contact-item {
            background: var(--white);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 3px solid var(--light-blue);
        }

        footer {
            background: #01113a;
            color: white;
            text-align: center;
            padding: 3rem 2rem;
            margin-top: -6rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 2rem 0;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
        }

        h2 {
            color: white;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
        }

        h3 {
            color: var(--primary-blue);
            margin: 1rem 0;
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background:  linear-gradient(135deg, #01113a 0%, #0a2a7d 100%);
                width: 100%;
                text-align: left;
                transition: 0.3s;
                padding: 2rem 1rem;
                z-index: 1;
            }

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

            .menu-toggle {
                display: block;
            }

            .dieuwrigne-section {
                grid-template-columns: 1fr;
            }

            .actualités-section {
                grid-template-columns: 1fr;
            }


            .hero h1 {
                font-size: 2rem;
            }

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