header nav {
  position: fixed;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  width: 400px;
  height: 100%;
  left: -320px;
  background: linear-gradient(135deg, #ff3573 0%, #1ac6ff 100%);
  background-size: 600% 600%;
  animation:
    slidedown 1s ease,
    gradien 10s ease infinite;
}

@keyframes slidedown {
  from {
    transform: translatex(-600px);
    opacity: 0%;
  }

  to {
    opacity: 100%;
    transform: translatex(0px);
  }
}

.fa-arrow-left {
  display: none;
}

header nav ul {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  list-style: none;
}

header nav ul li:first-child {
  color: #fff;
  font-size: 35px;
}

header nav ul li {
  position: relative;
  height: 90%;
}

header nav ul li a {
  position: relative;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  color: #fff;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 400;
  cursor: url("../images/cursor-pointer.cur"), pointer;
}

header nav ul li p {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  font-size: 24px;
  padding-left: 25px;
  left: -500px;
  background-color: #fff;
  color: #2fabd4;
  transition: 0.3s;
  cursor: url("../images/cursor-pointer.cur"), pointer;
}

header nav ul li a p:hover {
  background-color: #dadada;
  width: 100%;
  border-right: 2px solid #000;
}

.for-ico {
  position: absolute;
  right: 0;
  width: 80px;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

header nav ul li i {
  cursor: url("../images/cursor-pointer.cur"), pointer;
}

header nav ul li a i {
  font-size: 36px;
  cursor: url("../images/cursor-pointer.cur"), pointer;
}

.fa-solid {
  cursor: url("../images/cursor-pointer.cur"), pointer;
}

.fa-regular {
  cursor: url("../images/cursor-pointer.cur"), pointer;
}