* 1. CSS RESET & BOX MODEL */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

 <!-- Basic Styling Placeholder
    <style>
        body {
            font-family: Arial, Helvetica, sans-serif;
            margin: 0;
            line-height: 1.6;
            background-color: #f8f8f8;
            color: #222;
        }
        header, nav, main, footer {
            padding: 1rem;
        }
        header {
            background: #222;
            color: #fff;
        }
        nav a {
            margin-right: 1rem;
            color: #fff;
            text-decoration: none;
        }
        nav a:focus, nav a:hover {
            text-decoration: underline;
        }
        section {
            background: #fff;
            margin: 1rem 0;
            padding: 1rem;
            border-radius: 4px;
        }
        .cta {
            display: inline-block;
            margin-top: 1rem;
            padding: 0.75rem 1.25rem;
            background: #0066cc;
            color: #fff;
            text-decoration: none;
            border-radius: 4px;
        }
        .cta:focus, .cta:hover {
            background: #004999;
        }
        footer {
            background: #222;
            color: #fff;
            text-align: center;
        }
    </style>