/* General Body Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: #2c3e50;
    color: #ffffff;
    padding-top: 20px;
    min-height: 70px;
    border-bottom: #3498db 3px solid;
}

header h1 {
    float: left;
    margin: 0;
    padding: 0;
    font-size: 2.2em;
}

header nav {
    float: right;
    margin-top: 10px;
}

header ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

header li {
    display: inline;
    padding: 0 15px;
}

header a {
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header a:hover {
    color: #3498db;
    font-weight: bold;
}

/* Main Content Area */
main {
    padding: 20px 0;
}

article {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

article h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2em;
    text-align: center;
}

article p {
    margin-bottom: 15px;
    text-align: justify;
}

article a {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

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

/* Footer Styles */
footer {
    padding: 20px;
    margin-top: 30px;
    color: #ffffff;
    background-color: #2c3e50;
    text-align: center;
    border-top: #3498db 3px solid;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1,
    header nav {
        float: none;
        text-align: center;
    }

    header nav ul li {
        display: block;
        padding: 5px 0;
    }

    header nav ul {
        padding-top: 10px;
    }

    .container {
        width: 95%;
        padding: 0 10px;
    }

    article {
        padding: 20px;
    }

    article h2 {
        font-size: 1.8em;
    }
}