*, *::after, *::before {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  line-height: 1;
  margin: 0;
  width: 100%;
  height: 100%;
  background: #1C1D21;
}

main {
  position: relative;
  z-index: 1;
  height: 100vh;
  overflow: hidden;
  box-shadow: 0 0 50px #000;
  transition: transform .5s;
}

.nav-open main {
  transform: scale(.8);
}

.intro {
  height: 100vh;
  width: 100%;
  display: table;
  background: white url('../img/bg.jpg') no-repeat center center;
  background-size: cover;
}

h1 {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  font-size: 45px;
  color: orange;
}

.nav-trigger {
  position: fixed;
  z-index: 4;
  top: 40px;
  right: 40px;
  height: 44px;
  width: 44px;

  overflow: hidden;
  color: transparent;
  white-space: nowrap;
  text-indent: 100%;
}

.nav-trigger span,
.nav-trigger span::before,
.nav-trigger span::after {
  position: absolute;
  height: 4px;
  width: 36px;
  background: orange;
}

.nav-trigger span {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background .3s;
}

.nav-trigger span::before,
.nav-trigger span::after {
  content: '';
  top: 0;
  left: 0;
  transition: background .3s, transform .3s;
}

.nav-trigger span::before {
  transform: translateY(-12px);
}

.nav-trigger span::after {
  transform: translateY(12px);
}

.nav-trigger:hover span, 
.nav-trigger:hover span::before,
.nav-trigger:hover span::after {
  background: white;
}

.nav-open .nav-trigger span {
  background: orange;
}

.nav-open .nav-trigger span::before,
.nav-open .nav-trigger span::after {
  background: orange;
}

.nav-open .nav-trigger span::before {
  transform: rotate(-45deg);
}

.nav-open .nav-trigger span::after {
  transform: rotate(45deg);
}

.overlay {
  position: fixed;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s, visibility .5s;
}

.nav-open .overlay {
  opacity: .6;
  visibility: visible;
}

.nav-container {
  position: fixed;
  z-index: 3;
  top: 0;
  right: 0;
  height: 100%;
  width: 90%;
  max-width: 460px;
  padding: 2em 3.5em;
  background: white;
  overflow: auto;
  transform: translateZ(0);
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(.07,.23,.34,1);
}

.nav-open .nav-container {
  transform: translateX(0);
}

.nav-container h2 {
  font-size: 15px;
  font-weight: bold;
  text-transform: uppercase;
  color: orange;
  margin: 1.5em 0;
}

.nav {
  list-style: none;
  padding: 0;
}

.nav a {
  display: block;
  padding: .4em 0;
  font-size: 40px;
  font-weight: bold;
  font-family: serif;
  text-decoration: none;
  color: orange;
  transform: translateZ(0);
}

.nav-open .nav a {
  animation: slide-in .4s .2s backwards;
}

.nav-open .nav li:nth-of-type(2) a {
  animation-delay: .3s;
}

.nav-open .nav li:nth-of-type(3) a {
  animation-delay: .4s;
}

.nav-open .nav li:nth-of-type(4) a {
  animation-delay: .5s;
}

.nav-open .nav li:nth-of-type(5) a {
  animation-delay: .6s;
}

@keyframes slide-in {
  0% {
    opacity: 0;
    transform: translateX(80px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}


/* hero */
body, html {
  height: 100%;
}

/* The hero image */
.hero-image {
/* Use "linear-gradient" to add a darken background effect to the image (photographer.jpg). This will make the text easier to read */
background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("OpenWorkSpace.jpg");

/* Set a specific height */
height: 100%;

/* Position and center the image to scale nicely on all screens */
background-position: center;
background-repeat: no-repeat;
background-size: cover;
position: relative;
}

/* Place text in the middle of the image */
.hero-text {
text-align: center;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
color: orange;
}




/* end  */

/* liquid button  */

 /* * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}  */

 /* body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #0c0c0c;
}  */

a {
  position: relative;
  padding: 20px 50px;
  display: block;
  text-decoration: none;
  text-transform: uppercase;
  width: 220px;
  overflow: hidden;
  border-radius: 40px;
}

a span {
  position: relative;
  color: black;
  font-size: 20px;
  font-family: Arial;
  letter-spacing: 8px;
  z-index: 1;
}

a .liquid {
  position: absolute;
  top: -80px;
  left: 0;
  width: 220px;
  height: 200px;
  background: orange;
  box-shadow: inset 0 0 50px rgba(3, 191, 248, 0.5);
  transition: .5s;
}

a .liquid::after,
a .liquid::before {
  content: '';
  width: 200%;
  height: 200%;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -75%);
  background: grey;
}

a .liquid::before {
  
  border-radius: 45%;
  background: rgb(0, 174, 255);
  animation: animate 5s linear infinite;
}

a .liquid::after {
  
  border-radius: 40%;
  background: white;
  animation: animate 10s linear infinite;
}

a:hover .liquid{
  top: -120px;
}

@keyframes animate {
  0% {
    transform: translate(-50%, -75%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -75%) rotate(360deg);
  }
}