body {
            font-family: 'Poppins', sans-serif;
            margin: 0;
            padding: 0;
            background: #f5f7fa;
            color: #333;
        }

        header {
            background: #1e3a8a;
            color: white;
            padding: 15px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        header h1 {
            margin: 0;
            font-size: 24px;
        }

        header h1 a {
            color: white;
            text-decoration: none;
        }

        nav {
            display: flex;
            gap: 20px;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }

        .menu-toggle {
            display: none;
            font-size: 26px;
            cursor: pointer;
            color: white;
        }

        .container {
            max-width: 900px;
            margin: 40px auto;
            padding: 30px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        h2 {
            color: #1e3a8a;
            margin-bottom: 20px;
        }

        h3 {
            margin-top: 30px;
            color: #2563eb;
        }

        p {
            line-height: 1.7;
            margin: 10px 0;
        }

        footer {
            background: #1e3a8a;
            color: white;
            text-align: center;
            padding: 15px 10px;
            margin-top: 60px;
        }

        footer a {
            color: #cbd5e1;
            margin: 0 10px;
            text-decoration: none;
        }

        @media (max-width: 768px) {
            header {
                flex-wrap: wrap;
                justify-content: space-between;
            }

            .menu-toggle {
                display: block;
            }

            nav {
                width: 100%;
                display: none;
                flex-direction: column;
                background-color: #1e3a8a;
                padding: 10px 0;
                text-align: center;
            }

            nav a {
                margin: 10px 0;
                display: block;
            }

            nav.active {
                display: flex;
            }
        }