.hero__wrapper
  h1.hero__header Mobile Menu Concept
  .hero__phone
    button.menu__button
      div
        div
      | Quick Menu
    section.menu__body(hidden)
      .menu__header
        label 
          div
        p Quick Navigation
        button(title="Close")
          div
      .menu__links
        a(href="#0") About Us
        a(href="#0") Services
        a(href="#0") Pricing
        a(href="#0") Blog
        a(href="#0") Contact
      .menu__contact
        a(href="#0") 
          svg(xmlns='http://www.w3.org/2000/svg', fill='#000000', height='24', viewbox='0 0 24 24', width='24')
            path(d='M0 0h24v24H0z', fill='none')
            path(d='M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z')

          span Call
        a(href="#0")
          svg(xmlns='http://www.w3.org/2000/svg', fill='#000000', height='24', viewbox='0 0 24 24', width='24')
            path(d='M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z')
            path(d='M0 0h24v24H0z', fill='none')
          span Email

        a(href="#0") 
          svg(xmlns='http://www.w3.org/2000/svg', fill='#000000', height='24', viewbox='0 0 24 24', width='24')
            path(d='M21.71 11.29l-9-9c-.39-.39-1.02-.39-1.41 0l-9 9c-.39.39-.39 1.02 0 1.41l9 9c.39.39 1.02.39 1.41 0l9-9c.39-.38.39-1.01 0-1.41zM14 14.5V12h-4v3H8v-4c0-.55.45-1 1-1h5V7.5l3.5 3.5-3.5 3.5z')
            path(d='M0 0h24v24H0z', fill='none')
          span Directions
    .menu__overlay(hidden)

@import url('https://fonts.googleapis.com/css?family=Josefin+Sans:700');

:root {
  --dark: #333;
  --light: #fff;
  --neutral: #f6f6f6;
  --neutral-dark: #d1d1d1;
  --color: #5607d7;
  --color-light: #941ed2;
  --color-dark: #2719cd;
  --font-stack: 'Josefin Sans', 'Montserrat', 'sans-serif';
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('data:image/svg+xml,%3Csvg width="300" height="300" viewBox="0 0 64 64" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M8 16c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm0-2c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zm33.414-6l5.95-5.95L45.95.636 40 6.586 34.05.636 32.636 2.05 38.586 8l-5.95 5.95 1.414 1.414L40 9.414l5.95 5.95 1.414-1.414L41.414 8zM40 48c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm0-2c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zM9.414 40l5.95-5.95-1.414-1.414L8 38.586l-5.95-5.95L.636 34.05 6.586 40l-5.95 5.95 1.414 1.414L8 41.414l5.95 5.95 1.414-1.414L9.414 40z" fill="%239C92AC" fill-opacity="0.1" fill-rule="evenodd"/%3E%3C/svg%3E') fixed;
  font-family: var(--font-stack);
  &:before {
    content: '';
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, orange, orangered);
    border-radius: 50%;
    position: fixed;
    top: -50px;
    left: 10vw;
    z-index: -1;
  }
  &:after {
    content: '';
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, cyan, blue);
    border-radius: 50%;
    position: fixed;
    bottom: -50px;
    right: -5vw;
    z-index: -1;
  }
}

.hero__wrapper {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  flex-wrap: wrap;
  &:before {
    content: '';
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--color-light), var(--color-dark));
    border-radius: 50%;
    position: fixed;
    bottom: 50px;
    left: 10px;
    z-index: -1;
  }
  > * {
    margin: 15px;
  }
}

.hero__header {
  flex: 0 1 1px;
  padding-right: 50px;
  color: var(--dark);
  font-size: 8vmax;
}

.hero__phone {
  width: 300px;
  height: 630px;
  background: var(--light);
  background-color: #ffffff;
background: #fff url('https://codepenworldsfair.com/images/small-worlds-fair.png') center/250px no-repeat;
  border: 12px solid var(--dark);
  border-radius: 36px;
  position: relative;
  overflow: hidden;
  &:before {
    content: '';
    width: 175px;
    height: 25px;
    background: var(--dark);
    border-bottom-right-radius: 20px;
    border-bottom-left-radius: 20px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translatex(-50%);
    z-index: 1000;
  }
  &:after {
    content: '';
    width: 100px;
    height: 5px;
    background: var(--dark);
    border-radius: 2px;
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translatex(-50%);
    z-index: 1000;
  }
}

.menu__button {
  --x: -50%;
  --y: 0;
  --z: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to right, var(--color-light), var(--color-dark));
  padding: 10px 20px;
  border-radius: 28px;
  box-shadow: 0 2px 40px -10px var(--color);
  color: var(--light);
  font-size: 16px;
  white-space: nowrap;
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translate3d(var(--x), var(--y), var(--z));
  cursor: pointer;
  z-index: 105;
  transition: .15s cubic-bezier(.33,1,.53,1);
  &[hidden] {
    --y: 200%;
  }
  div {
    display: flex;
    align-items: center;
    width: 12px;
    height: 12px;
    margin-right: 20px;
    div {
      display: table;
      height: 1px;
      background: var(--light);
      box-shadow: 0 4px 0 var(--light), 0 -4px 0 var(--light);
    }
  }
}

.menu__overlay {
    width: 100%;
    height: 100%;
    background: rgba(#000, .1);
    position: absolute;
    z-index: 100;
}

.menu__body {
  --x: 0;
  --y: 0;
  --z: 0;
  display: block;
  width: 100%;
  background: var(--light);
  padding-bottom: 15px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  box-shadow: 0px -9px 50px -30px black;
  font-family: 'Montserrat', sans-serif;
  position: absolute;
  bottom: 0;
  z-index: 105;
  transform: translate3d(var(--x), var(--y), var(--z));
  transition: .2s cubic-bezier(.33,1,.53,1);
  &[hidden] {
    --y: 150%;
  }
  > *:not(:last-child) {
    border-bottom: 2px solid var(--neutral);
  }
}

.menu__header {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  label {
    div {
      width: 15px;
      height: 15px;
      border: 2px solid var(--dark);
      border-radius: 50%;
      position: relative;
      transform: rotate(5.5rad);
      &:after {
        content: '';
        width: 2px;
        height: 10px;
        background: var(--dark);
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
      }
    }
  }
  p {
    font-size: 18px;
    font-weight: bold;
    vertical-align: center;
    white-space: nowrap;
  }
  h3 {
    font-weight: normal;
  }
  button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 25px;
    height: 25px;
    background: var(--neutral-dark);
    border-radius: 50%;
    cursor: pointer;
    div {
      width: 15px;
      height: 3px;
      background: var(--light);
      position: relative;
      transform: rotate(5.5rad);
      &:before {
        content: '';
        width: 3px;
        height: 15px;
        background: var(--light);
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
      }
    }
  }
}

.menu__links {
  display: flex;
  padding: 10px 15px;
  font-weight: bold;
  overflow-x: auto;
  a {
    flex: 1 1 1px;
    padding: 10px 8px;
    color: var(--dark);
    text-decoration: none;
    white-space: nowrap;
  }
}

.menu__contact {
  display: flex;
  padding: 8px;
  svg {
    width: 100%;
    fill: var(--color);
  }
  a {
    flex: 1 1 30%;
    padding: 5px;
    margin: 5px;
    border-radius: 8px;
    background: var(--neutral);
    color: var(--color);
    text-align: center;
    font-size: 14px;
    font-weight: bold;
  }
}

const button = document.querySelector('.menu__button');
const menu = document.querySelector('.menu__body');
const close = document.querySelector('.menu__header button');
const overlay = document.querySelector('.menu__overlay');

function showMenu () {
  button.setAttribute('hidden', '');
  menu.removeAttribute('hidden');
  overlay.removeAttribute('hidden');
};

function hideMenu () {
  menu.setAttribute('hidden', '');
  overlay.setAttribute('hidden', '');
  button.removeAttribute('hidden');
};

button.addEventListener('click', showMenu);
close.addEventListener('click', hideMenu);
overlay.addEventListener('click', hideMenu);