body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #444;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
}

header {
    background: linear-gradient(to right, #00b4db, #0083b0);
    color: #fff;
    padding: 20px 0;
}

header h1 {
    float: left;
    margin: 0;
    padding-left: 20px;
}

header nav {
    float: right;
    padding-right: 20px;
}

    header nav a {
        color: #fff;
        text-decoration: none;
        text-transform: uppercase;
        font-size: 16px;
        padding: 5px 20px;
        transition: background-color 0.3s ease;
    }

    header nav a:hover {
        background-color: rgba(255, 255, 255, 0.2);
        border-radius: 4px;
    }

    main {
        background: #fff;
        padding: 40px 20px;
        margin-top: 20px;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }

    main h2 {
        color: #333;
        border-bottom: 2px solid #00b4db;
        padding-bottom: 10px;
        margin-bottom: 30px;
        font-size: 28px;
    }

    main p, main ul {
        margin-bottom: 20px;
        color: #555;
        line-height: 1.8;
    }

    main ul {
        padding-left: 20px;
        list-style: disc;
    }

    main a {
        color: #00b4db;
        text-decoration: none;
    }

    main a:hover {
        text-decoration: underline;
    }

    footer {
        background: #333;
        color: #fff;
        text-align: center;
        padding: 20px 0;
        margin-top: 30px;
    }

    footer p {
        margin: 0;
    }

    @media (max-width: 768px) {
        header h1 {
            float: none;
            text-align: center;
        }

        header nav {
            float: none;
            text-align: center;
            margin-top: 10px;
        }

        header nav a {
            display: block;
            margin: 5px 0;
        }

        main {
            padding: 20px;
        }
    }