<header>
  <a class="btn-open-menu">
    <span class="hamburguer"></span>
  </a>
  
  <div class="header-content">
    <a class="btn-close-menu"></a>

    <nav>
      <a href="#" class="link-menu">HOME</a>
      <a href="#" class="link-menu">ABOUT ME</a>
      <a href="#" class="link-menu">CONTACT</a>
    </nav>
    
    <div class="social">
      <a href="https://www.linkedin.com/in/jvaleskasilva/" target="_blank">
        <i class="fab fa-linkedin-in"></i>
      </a>

      <a href="https://codepen.io/jvaleskasilva/" target="_blank">
        <i class="fab fa-codepen"></i>
      </a>
      
      <a href="https://github.com/jvaleska" target="_blank">
        <i class="fab fa-github"></i>
      </a>
      
      <a href="https://www.instagram.com/jvaleskasilva/" target="_blank">
        <i class="fab fa-instagram"></i>
      </a>

      <a href="https://www.facebook.com/jvaleskasilva" target="_blank">
        <i class="fab fa-facebook-f"></i></i>
      </a>

      <a href="https://twitter.com/jvaleskasilva" target="_blank">
        <i class="fab fa-twitter"></i>
      </a>
    </div>
  </div>
</header>

<section>
  <h1>Responsive Menu Scroll Left</h1>
  
  <a href="https://www.linkedin.com/in/jvaleskasilva/" target="_blank" class="logo-jv">jv.</a>
</section>

@import url("https://fonts.googleapis.com/css?family=Aclonica");
@import url('https://fonts.googleapis.com/css?family=Roboto');

html, body {
  width: 100%;
  height: 100%;
  font-family: 'Roboto', sans-serif;
}

header {
  width: 100%;
  height: 100%;
  background-color: transparent;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  transition: .5s ease-in-out;

  .btn-open-menu {
    width: 25px;
    height: 18px;
    position: absolute;
    top: 15px;
    right: 15px;
    cursor: pointer;

    &:after {
      background-color: #000;
      content: '';
      display: block;
      width: 50%;
      height: 2px;
      position: absolute;
      right: 0;
      bottom: 0;
      transition: .5s ease-in-out;
    }

    .hamburguer {
      position: relative;
      display: block;
      background: #000;
      width: 100%;
      height: 2px;
      top: 5px;
      left: 0;
      transition: .5s ease-in-out;

      &:before, &:after {
        background: #000;
        content: '';
        display: block;
        width: 100%;
        height: 100%;
        position: absolute;
        transition: .5s ease-in-out;
      }

      &:before {
        top: -5px;
      }

      &:after {
        bottom: -5px;
      }
    }
  }

  .header-content {
    width: 85%;
    height: 100%;
    background-color: #EEEEEE;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: -150%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    align-content: center;
    transition: .1s ease-in-out;

    .btn-close-menu {
      width: 25px;
      height: 25px;
      position: absolute;
      top: 20px;
      right: 20px;
      cursor: pointer;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      flex-direction: row;
      align-content: center;

      &:before, &:after {
        background: #000;
        content: '';
        display: block;
        width: 100%;
        height: 2px;
        position: absolute;
        transition: .5s ease-in-out;
      }

      &:before {
        transform: rotate(45deg);
        top: 11px;
      }

      &:after {
        transform: rotate(-45deg);
        bottom: 12px;
      }
    }

    nav {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      align-content: center;

      a {
        color: #000;
        letter-spacing: .5px;
        line-height: 35px;
        text-decoration: none;
        transition: .5s;
        
        &:hover {
          color: rgba(0, 0, 0, 0.5);
          transition: .5s;
        }
      }
    }
    
    .social {
      display: flex;
      justify-content: center;
      align-items: center;
      margin: 40px 0 0 0;
      font-size: 18px;

      a {
        color: #000;
        text-decoration: none;
        margin: 0 10px;
        transition: .5s;
        
        &:hover {
          transform: scale(0.9);
          transition: .5s;
        }
      }
    }
  }

  &.open {
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.3);
    transition: .3s ease-in-out;

    .btn-open-menu, .logo {
      opacity: 0;
      transition: .3s ease-in-out;
    }

    .header-content {
      left: 0;
      transition: .7s ease-in-out;
    }
  }
}

section {
  width: 100%;
  height: 100%;
  background-color: #fff;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  
  h1 {
    font-weight: 600;
    font-size: 22px;
    color: #000;
    text-align: center;
  }
  
  .logo-jv {
    width: 23px;
    font-family: 'Aclonica', sans-serif;
    font-size: 26px;
    color: #000;
    text-decoration: none;
    background-color: #ead1dc;
    padding: 5px;
    letter-spacing: 3px;
    line-height: 10px;
    display: flex;
    position: fixed;
    right: 15px;
    bottom: 10px;
  }
}

$(document).ready(function() {
    $('.btn-open-menu').click(function () {
        $('header').addClass('open');
    });

    $('.link-menu').click(function () {
        $('header').removeClass('open');
    });

    $('.btn-close-menu').click(function () {
        $('header').removeClass('open');
    });
});