@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap");
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
/* Body and General Styles */
body {
  margin: 0;
  padding: 0;
  background-color: #d2fcd9;
  overflow-x: hidden;
  position: relative;
}
/* End of Body and General Styles */
/* Header css */
header {
  width: 100%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
#nav {
  display: flex;
  align-items: center;
  height: 60px;
}
/* Top css */
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #000;
}
.top i {
  font-size: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: absolute;
  right: 2rem;
}
.top i:hover {
  font-size: 2.5rem;
}

/* Manu desktop */
ul,
li {
  list-style: none outside none;
}
/* basic menu styles */
.nav-menu {
  display: none;
  width: 1100px;
  margin: 30px auto 30px;
}
.nav-menu > li {
  display: inline;
  float: left;
  border-right: 1px solid #333;
  position: relative;
}
.nav-menu > li:last-child {
  border-right: none;
}
.nav-menu li a {
  color: #fff;
  display: block;
  text-decoration: none;
  font-family: "Roboto Condensed", sans-serif;

  text-transform: uppercase;
  overflow: visible;
  line-height: 20px;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1px;
  padding: 15px 30px 15px 31px;
}

/* animation domination */
.three-d {
  perspective: 200px;
  transition: all 0.07s linear;
  position: relative;
}

.three-d:not(.active):hover {
  cursor: pointer;
}

.three-d:not(.active):hover .three,
.three-d:not(.active):focus .three {
  transform: translateZ(-25px) rotateX(90deg);
}

.three {
  transition: all 0.3s ease-out;
  transform: translatez(-25px);
  transform-style: preserve-3d;
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.front {
  transform: rotatex(0deg) translatez(25px);
}

.back {
  transform: rotatex(-90deg) translatez(25px);
  color: #ffe7c4;
}

.front,
.back {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: #333;
  padding: 15px 30px 15px 31px;
  color: white;
  pointer-events: none;
  box-sizing: border-box;
}
.nav-menu li .active .front,
.nav-menu li .active .back,
.nav-menu li a:hover .front,
.nav-menu li a:hover .back {
  background-color: #ccc;
  background-size: 5px 5px;
  background-position: 0 0, 30px 30px;
  color: black;
}
.nav-menu ul {
  position: absolute;
  left: -40px;
  text-align: left;
  line-height: 40px;
  font-size: 10px;
  width: 200px;
  transition: all 0.3s ease-in;
  transform-origin: 0px 0px;
  transform: rotateX(-90deg);
  backface-visibility: hidden;
}
.nav-menu > li:hover ul {
  display: block;
  transform: rotateX(0deg);
}

/* End of Header Cube Animation CSS */
/* Navigation Bar CSS */
.mainNav {
  float: left;
  transform: perspective(500px);
  transform-style: preserve-3d;
  position: absolute;
  top: 6rem;
  right: 1rem;
  transition: all 0.5s ease;
  scale: 0;
  opacity: 0;
}
.mainNav.open-menu {
  top: 6rem;
  transition: all 0.5s ease;
  z-index: 100;
  scale: 1;
  opacity: 1;
}
.mainNav ul {
  list-style: none;
  padding: 0;
  position: relative;
}
.mainNav ul:after {
  background-color: hsla(0, 0%, 0%, 0.1);
  box-shadow: 0 0.09375em 0.1875em 0.1875em hsla(0, 0%, 0%, 0.1);
  content: "";
  height: 0.375em;
  left: 0.75em;
  position: absolute;
  right: 0.75em;
  top: 100%;
  z-index: -1;
}
.mainNav a {
  background-color: #7cdf83;
  background-image: linear-gradient(
      hsla(0, 0%, 100%, 0.05),
      hsla(0, 0%, 0%, 0.05)
    ),
    linear-gradient(-197.5deg, hsla(0, 0%, 100%, 0.025) 50%, transparent 50%);
  backface-visibility: hidden;
  box-shadow: inset 0 0 0.125em hsla(0, 0%, 0%, 0.25),
    inset 0 0 1.5em hsla(0, 0%, 0%, 0.25);
  color: #333;
  display: block;
  font: bold 1em/3 sans-serif;
  padding: 0 1.5em;
  position: relative;
  text-align: center;
  text-decoration: none;
  text-shadow: 0 1px 1px hsla(0, 0%, 100%, 0.25);
  transition: 0.5s;
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  width: 200px;
}
.mainNav a:after {
  background-color: inherit;
  background-image: linear-gradient(
      hsla(0, 0%, 100%, 0.05),
      hsla(0, 0%, 0%, 0.05)
    ),
    linear-gradient(-197.5deg, hsla(0, 0%, 100%, 0.025) 50%, transparent 50%),
    linear-gradient(hsla(0, 0%, 0%, 0.25), hsla(0, 0%, 0%, 0.25));
  box-shadow: inset 0 0 0.25em hsla(0, 0%, 0%, 0.2),
    inset 0 0 1.5em hsla(0, 0%, 0%, 0.3);
  bottom: 0;
  color: #fff;
  content: attr(data-title);
  left: 100%;
  line-height: 3;
  position: absolute;
  top: 0;
  transform: rotateY(90deg);
  transform-origin: 0 0;
  width: 100%;
}
.mainNav a:before {
  background-color: inherit;
  background-image: linear-gradient(
      hsla(0, 0%, 100%, 0.07),
      hsla(0, 0%, 0%, 0.07)
    ),
    linear-gradient(hsla(0, 0%, 0%, 0.5), hsla(0, 0%, 0%, 0.5));
  bottom: 0;
  content: "";
  height: 9em;
  left: 100%;
  position: absolute;
  top: 0;
  transform-origin: 0 0;
  width: 100%;
}
.mainNav li:nth-child(-n + 2) a:before {
  transform: rotateX(-90deg) translateX(-9em) translateZ(3em);
}
.mainNav li:nth-child(n + 3) a:before {
  transform: rotateX(-90deg) translateX(-9em);
}
.mainNav li:hover a {
  transform: rotateY(-90deg) translateX(-4.5em) translateZ(4.5em);
  z-index: 100;
}

@media (width > 1024px) {
  #btn-menu {
    display: none;
  }
  .nav-menu {
    display: block;
  }
}
@media (width > 1280px) {
  #nav {
    margin-left: 40%;
  }
}
@media (width > 1920px) {
  header {
    zoom: 1.4;
  }
}