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

        body {
            font-family: "DejaVu Serif", serif;
            background: url('banner.jpg') no-repeat center top;
            background-size: cover;
            color: #333;
            text-align: center;
            padding: 0;
        }

        header {
            background: rgba(0, 51, 102, 0.85);
            color: white;
            padding: 30px 20px;
            font-size: 32px;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .logo {
            margin: 20px auto;
            width: 150px;
        }

        .tagline {
            font-size: 18px;
            font-style: italic;
            color: #e0e0e0;
        }

        nav {
            background: rgba(255, 255, 255, 0.9);
            padding: 15px;
            margin: 20px auto;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            display: inline-block;
            border-radius: 10px;
        }

        nav a {
            text-decoration: none;
            color: #003366;
            font-size: 18px;
            margin: 0 15px;
            font-weight: bold;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #009688;
        }

        .container {
            max-width: 900px;
            margin: auto;
            text-align: left;
            padding: 20px;
            background: rgba(255, 255, 255, 0.85);
            border-radius: 10px;
        }

        section {
            padding: 20px;
            margin-bottom: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        footer {
            background: #003366;
            color: white;
            padding: 15px;
            margin-top: 30px;
            font-size: 14px;
        }