Here is the code for the website's HTML structure and content:
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Echowave</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <!-- Header Section -->
    <header>
        <nav>
            <ul>
                <li><a href="#">Home</a></li>
                <li><a href="#">Features</a></li>
                <li><a href="#">Pricing</a></li>
                <li><a href="#">About</a></li>
            </ul>
        </nav>
    </header>
    <!-- Hero Section -->
    <section class="hero">
        <h1>Welcome to Echowave</h1>
        <p>Make editing videos easy with our intuitive tools</p>
        <button>Get Started</button>
    </section>
    <!-- Features Section -->
    <section class="features">
        <h2>Our Tools</h2>
        <ul>
            <li><a href="#">Audio Waveform Video Generator</a></li>
            <li><a href="#">Music Visualizer</a></li>
            <li><a href="#">Annotate Video</a></li>
            <li><a href="#">Add Text To Video</a></li>
            <li><a href="#">Video Overlay</a></li>
        </ul>
    </section>
    <!-- How it Works Section -->
    <section class="how-it-works">
        <h2>How it Works</h2>
        <p>Upload your video, select the tool you want to use, and customize as needed. Download or share your finished project.</p>
    </section>
    <!-- Call to Action Section -->
    <section class="call-to-action">
        <h2>Try Echowave Today</h2>
        <button>Sign Up for Free</button>
    </section>
    <!-- Footer Section -->
    <footer>
        <p>© 2024 Echowave.io. All rights reserved.</p>
        <ul>
            <li><a href="#">Facebook</a></li>
            <li><a href="#">Instagram</a></li>
            <li><a href="#">YouTube</a></li>
            <li><a href="#">TikTok</a></li>
            <li><a href="#">X.com</a></li>
        </ul>
    </footer>
    <!-- Scripts -->
    <script src="script.js"></script>
</body>
</html>
And here is the code for the CSS styles:
/* styles.css */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}
header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}
header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}
header nav li {
    margin-right: 20px;
}
header nav a {
    color: #fff;
    text-decoration: none;
}
.hero {
    background-image: linear-gradient(to bottom, #333, #444);
    padding: 100px;
    text-align: center;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}
.hero p {
    font-size: 18px;
    color: #666;
}
.hero button {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}
.features {
    padding: 50px;
    text-align: center;
}
.features ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}
.features li {
    margin-right: 20px;
}
.features a {
    color: #333;
    text-decoration: none;
}
.how-it-works {
    background-color: #f9f9f9;
    padding: 50px;
    text-align: center;
}
.how-it-works h2 {
    font-size: 24px;
    margin-bottom: 20px;
}
.call-to-action {
    padding: 50px;
    text-align: center;
}
.call-to-action button {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}
footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
    clear: both;
}
footer p {
    font-size: 14px;
    margin-bottom: 10px;
}
footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}
footer li {
    margin-right: 20px;
}
footer a {
    color: #fff;
    text-decoration: none;
}
And here is the code for the JavaScript script:
/* script.js */
// No JavaScript code needed for this example
                    
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