nav {
  position: relative;
  z-index: 1;
}
nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 40px;
}
nav ul li button {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  border: none;
  cursor: pointer;
  background-color: transparent;
  padding: 0;
  margin: 0;
  font-family: "Inter";
  font-weight: 600;
  font-size: 16px;
  list-style: 22px;
  color: #5C5B66;
  transition: color 0.25s;
}
nav ul li.active button {
  color: #fff;
}
nav ul li:not(.active):hover button {
  color: #807E8C;
}
nav .active-element {
  --active-element-scale-x: 1;
  --active-element-scale-y: 1;
  --active-element-show: 0;
  --active-element-opacity: 0;
  --active-element-width: 0px;
  --active-element-strike-x: 0%;
  --active-element-mask-position: 0%;
  position: absolute;
  left: 0;
  top: 34px;
  height: 3px;
  width: 36px;
  border-radius: 2px;
  background-color: #fff;
  opacity: var(--active-element-show);
}
nav .active-element > svg,
nav .active-element .strike {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  opacity: var(--active-element-opacity);
  width: var(--active-element-width);
  mix-blend-mode: multiply;
}
nav .active-element > svg {
  display: block;
  overflow: visible;
  height: 5px;
  filter: blur(0.5px) drop-shadow(2px 0px 8px rgba(0, 117, 255, 0.4)) drop-shadow(1px 0px 2px rgba(0, 128, 255, 0.8)) drop-shadow(0px 0px 3px rgba(153, 204, 255, 0.4)) drop-shadow(2px 0px 8px rgba(137, 196, 255, 0.45)) drop-shadow(8px 0px 16px rgba(153, 204, 255, 0.5));
}
nav .active-element .strike {
  padding: 24px 0;
  -webkit-mask-image: linear-gradient(to right, transparent calc(0% + var(--active-element-mask-position)), black calc(15% + var(--active-element-mask-position)), black 80%, transparent);
  mask-image: linear-gradient(to right, transparent calc(0% + var(--active-element-mask-position)), black calc(15% + var(--active-element-mask-position)), black 80%, transparent);
}
nav .active-element .strike svg {
  display: block;
  overflow: visible;
  height: 12px;
  width: calc(var(--active-element-width) * 2);
  transform: translate(var(--active-element-strike-x), 30%) scale(var(--active-element-scale-x), var(--active-element-scale-y));
}
nav .active-element .strike svg:last-child {
  transform: translate(var(--active-element-strike-x), -30%) scale(-1);
}
nav .active-element .strike svg g path:nth-child(2) {
  filter: blur(2px);
}
nav .active-element .strike svg g path:nth-child(3) {
  filter: blur(4px);
}
nav.before .active-element {
  transform: rotateY(180deg);
}

html {
  height: 100%;
  box-sizing: border-box;
}

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


article {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

body {
  margin: 0;
  background: #000;
}

video { 
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    transform: translateX(-50%) translateY(-50%);
 background: url('//demosthenes.info/assets/images/polina.jpg') no-repeat;
  background-size: cover;
  transition: 1s opacity;
}
.stopfade { 
   opacity: .5;
}

#polina { 
  font-family: Agenda-Light, Agenda Light, Agenda, Arial Narrow, sans-serif;
  font-weight:100; 
  background: rgba(0,0,0,0.3);
  color: white;
  padding: 2rem;
  width: 33%;
  margin:2rem;
  float: right;
  font-size: 1.05rem;
}
h1 {
  font-size: 2rem;
  text-transform: uppercase;
  margin-top: 0;
  letter-spacing: .3rem;
}
#polina button { 
  display: block;
  width: 80%;
  padding: .4rem;
  border: none; 
  margin: 1rem auto; 
  font-size: 1.1rem;
  background: rgba(255,255,255,0.23);
  color: #fff;
  border-radius: 3px; 
  cursor: pointer;
  transition: .3s background;
}
#polina button:hover { 
   background: rgba(0,0,0,0.5);
}

a {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  background:rgba(0,0,0,0.5);
  padding: .5rem;
  transition: .6s background; 
}
a:hover{
  background:rgba(0,0,0,0.9);
}
@media screen and (max-width: 500px) { 
  div{width:70%;} 
}
@media screen and (max-device-width: 800px) {
  html { background: url(https://thenewcode.com/assets/images/polina.jpg) #000 no-repeat center center fixed; }
  #bgvid { display: none; }
}

li {
  padding-right: 10px;
  display: inline-block;
}

footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 5px;
  background-color: transparent;
  color: #fff;
}