fernastereo/app.js

## app.js
const navSlide = () => {
  const burguer = document.querySelector('.burguer');
  const nav = document.querySelector('.nav-links');
  const navLinks = document.querySelectorAll('.nav-links li');

  //Toggle Nav
  burguer.addEventListener('click', () => {
    nav.classList.toggle('nav-active');

    //Animate Links
    navLinks.forEach((link, index) => {
      if(link.style.animation){
        link.style.animation = '';
      }else{
        link.style.animation = `navLinkFade 0.5s ease forwards ${index / 7 + 0.3}s`;
      }
    });

    //Burguer animation
    burguer.classList.toggle('toggle');
  });

}

navSlide();

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title></title>
  <link href="https://fonts.googleapis.com/css?family=Poppins&display=swap" rel="stylesheet">
  <link rel="stylesheet" href="./css/style.css">
</head>
<body>
  <nav>
    <div class="logo">
      <h4>Nav</h4>
    </div>
    <ul class="nav-links">
      <li><a href="">Home</a></li>
      <li><a href="">Nosotros</a></li>
      <li><a href="">Servicios</a></li>
      <li><a href="">Documentos</a></li>
      <li><a href="">Contacto</a></li>
    </ul>
    <div class="burguer">
      <div class="line1"></div>
      <div class="line2"></div>
      <div class="line3"></div>
    </div>
  </nav>
  <script src="./js/app.js"></script>
</body>
</html>

## style.css
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
}

nav{
  display: flex;
  justify-content: space-around;
  align-items: center;
  min-height: 8vh;
  background: rgb(241, 241, 241);
}

.nav-links{
  display: flex;
  justify-content: space-around;
  width: 45%;
}

.nav-links li{
  list-style: none;
}

.nav-links a{
  color: black;
  text-decoration: none;
  letter-spacing: 3px;
  font-weight: bold;
  font-size: 12px;
}

.burguer{
  display: none;
}

.burguer div{
  width: 25px;
  height: 3px;
  background-color: black;
  margin: 5px;
  transition: all 0.3s ease;
}

@media screen and (max-width: 1024px){
  .nav-links{
    width: 55%;
  }
}

@media screen and (max-width: 768px){
  body{
    overflow-x: hidden;
  }

  .nav-links{
    position: absolute;
    right: 0px;
    height: 92vh;
    top: 8vh;
    background-color: rgb(241, 241, 241);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
  }

  .nav-links li{
    opacity: 0;
  }

  .burguer{
    display: block;
    cursor: pointer;
  }
}

.nav-active{
  transform: translateX(0%);
}

@keyframes navLinkFade{
  from{
    opacity: 0;
    transform: translateX(50px);
  }
  to{
    opacity: 1;
    transform: translateX(0px);
  }
}

.toggle .line1{
  transform: rotate(-45deg) translate(-5px, 6px);
}
.toggle .line2{
  opacity: 0;
}
.toggle .line3{
  transform: rotate(45deg) translate(-5px, -6px);
}
	const navSlide = () => {
	const burguer = document.querySelector('.burguer');
	const nav = document.querySelector('.nav-links');
	const navLinks = document.querySelectorAll('.nav-links li');

	//Toggle Nav
	burguer.addEventListener('click', () => {
	nav.classList.toggle('nav-active');

	//Animate Links
	navLinks.forEach((link, index) => {
	if(link.style.animation){
	link.style.animation = '';
	}else{
	link.style.animation = `navLinkFade 0.5s ease forwards ${index / 7 + 0.3}s`;
	}
	});

	//Burguer animation
	burguer.classList.toggle('toggle');
	});

	}

	navSlide();
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title></title>
	<link href="https://fonts.googleapis.com/css?family=Poppins&display=swap" rel="stylesheet">
	<link rel="stylesheet" href="./css/style.css">
	</head>
	<body>
	<nav>
	<div class="logo">
	<h4>Nav</h4>
	</div>
	<ul class="nav-links">
	<li><a href="">Home</a></li>
	<li><a href="">Nosotros</a></li>
	<li><a href="">Servicios</a></li>
	<li><a href="">Documentos</a></li>
	<li><a href="">Contacto</a></li>
	</ul>
	<div class="burguer">
	<div class="line1"></div>
	<div class="line2"></div>
	<div class="line3"></div>
	</div>
	</nav>
	<script src="./js/app.js"></script>
	</body>
	</html>
	* {
	margin: 0px;
	padding: 0px;
	box-sizing: border-box;
	}

	body {
	font-family: 'Poppins', sans-serif;
	}

	nav{
	display: flex;
	justify-content: space-around;
	align-items: center;
	min-height: 8vh;
	background: rgb(241, 241, 241);
	}

	.nav-links{
	display: flex;
	justify-content: space-around;
	width: 45%;
	}

	.nav-links li{
	list-style: none;
	}

	.nav-links a{
	color: black;
	text-decoration: none;
	letter-spacing: 3px;
	font-weight: bold;
	font-size: 12px;
	}

	.burguer{
	display: none;
	}

	.burguer div{
	width: 25px;
	height: 3px;
	background-color: black;
	margin: 5px;
	transition: all 0.3s ease;
	}

	@media screen and (max-width: 1024px){
	.nav-links{
	width: 55%;
	}
	}

	@media screen and (max-width: 768px){
	body{
	overflow-x: hidden;
	}

	.nav-links{
	position: absolute;
	right: 0px;
	height: 92vh;
	top: 8vh;
	background-color: rgb(241, 241, 241);
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 100%;
	transform: translateX(100%);
	transition: transform 0.5s ease-in;
	}

	.nav-links li{
	opacity: 0;
	}

	.burguer{
	display: block;
	cursor: pointer;
	}
	}

	.nav-active{
	transform: translateX(0%);
	}

	@keyframes navLinkFade{
	from{
	opacity: 0;
	transform: translateX(50px);
	}
	to{
	opacity: 1;
	transform: translateX(0px);
	}
	}

	.toggle .line1{
	transform: rotate(-45deg) translate(-5px, 6px);
	}
	.toggle .line2{
	opacity: 0;
	}
	.toggle .line3{
	transform: rotate(45deg) translate(-5px, -6px);
	}