/* hamburger menu */

.navcheckbox {
  display: none;
}

.navbutton {
  position: relative;
  background: #10AAB5;
  background-image: radial-gradient(#000000 0%, #444444 100%);
  height: 5rem;
  width: 5rem;
  border-radius: 50%;
  position: fixed;
  top: 5vh; 
  right: 5vw; 
  z-index: 2000;
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.4);
  text-align: center; 
  cursor: pointer;
}
.navbutton:hover {
  background-image: radial-gradient(#666666 0%, #111111 100%);
}

.navbackground {
  height: 4rem;
  width: 4rem;
  border-radius: 50%;
  position: fixed;
  top: 5.5vh; 
  right: 5.5vw; 
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  transition: transform 0.8s cubic-bezier(0.86, 0, 0.07, 1);
}

.nav {
  height: 100vh;
  position: fixed;
  top: 0;
  right: -60vw;
  z-index: 1500;
  opacity: 0;
  width: 0;
  transition: all 0.8s;
}

.navlist {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  list-style: none;
  text-align: center;
  width: 100%;
  font-family: barlow, helvetica, arial, sans-serif;
  font-weight: bold;
}
.navlist li:first-child {
  margin-bottom: 1em;
}
.navlist li:first-child a {
  font-size: 200%;
}

.navitem {
  margin: 1rem;
  font-size: 2.5em;
}
.navitem.sm {
  font-size: 2em;
  font-weight: normal;
}

.navlink {
  color: #ffffff;
}
.navlink:link,
.navlink:visited {
  display: inline-block;
  padding: 1rem 2rem;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.4s;
}

.navlink:hover,
.navlink:active {
  color: #10AAB5;
  cursor: pointer;
}

/* functionality */
.navcheckbox:checked ~ .navbackground {
  transform: scale(80);
}
.navcheckbox:checked ~ .nav {
  opacity: 1;
  width: 100%;
  right: 0;
}


/* styling hamburger ICON */
.navicon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.navicon,
.navicon::before,
.navicon::after {
  width: 3rem;
  height: 2px;
  background-color: #fff;
  display: inline-block;
}

.navicon::before,
.navicon::after {
  content: "";
  position: absolute;
  left: 0;
  transition: all 0.2s;
}

.navicon::before {
  top: -0.8rem;
}
.navicon::after {
  top: 0.8rem;
}

.navbutton:hover icon:before {
  top: -1rem;
}
.navbutton:hover icon::after {
  top: 1rem;
}

.navcheckbox:checked + .navbutton .navicon {
  background-color: transparent;
}

.navcheckbox:checked + .navbutton .navicon::before {
  top: 0;
  transform: rotate(135deg);
}
.navcheckbox:checked + .navbutton .navicon::after {
  top: 0;
  transform: rotate(-135deg);
}