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

        body {
            font-family: 'Arial', sans-serif;
            color: #333;
            overflow-x: hidden;
        }

        /* En-tête */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 200px;
            background: rgb(255, 255, 255);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 60px;
            z-index: 1000;
            transition: height 0.3s ease, padding 0.3s ease;
            border-bottom: #000066 0.5px solid;
        }

        header.scrolled {
            height: 100px;
            padding: 0 40px;
        }

        .logo {
            height: 80%;
            transition: height 0.3s ease;
    
        }

        header.scrolled .logo {
            height: 100%;
        }

        .logo img {
            height: 100%;
            width: auto;
        }

        nav {
            display: flex;
            gap: 30px;
        }

        nav a {
            color: #333;
            text-decoration: none;
            font-size: 22px;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: #000066;
            text-decoration:underline;
        }

        /* Sections pleine page */
        section {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            
            padding: 70px 70px;
            background: #fff;
            color: #333;
        }

        section:nth-child(even) {
            background: #fff;

        }

        h1:nth-child(even), h2:nth-child(even){
            text-align: end;

        }

        section:first-of-type {
            margin-top: 200px;
        }

        h1, h2 {
            font-size: 48px;
            margin-bottom: 30px;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        h1::after, h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: #000066;
        }

        p {
            font-size: 18px;
            line-height: 1.8;
            max-width: 800px;
            text-align: center;
            color: #555;
        }
        /*Accueil*/
        #accueil::before {
            content: '';
            position: absolute;
            top: 100px;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                        url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?q=80&w=2070') center/cover;
            z-index: 0;
            animation: zoomSlow 40s ease-in-out infinite alternate;
        }

        @keyframes zoomSlow {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.2);
            }
        }

        #zerotrust{
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }





        





        /* Footer */
        footer {
            background: #ccc;
            color: #333;
            text-align: center;
            padding: 40px 20px;
            font-size: 16px;
        }

        footer p {
            color: #333;
        }

        /* Responsive */
        @media (max-width: 768px) {
            header {
                padding: 0 20px;
                height: 100px;
            }

            header.scrolled {
                height: 100px;
            }

            nav {
                gap: 15px;
            }

            nav a {
                font-size: 14px;
            }

            h1, h2 {
                font-size: 32px;
            }

            section {
                padding: 60px 20px;
            }

            section:first-of-type {
                margin-top: 150px;
            }
        }