nav {
  width: 300px;
  min-width: 300px;
  max-width: 300px;
  height: 100%;
  letter-spacing: 0;
  font-weight: 400;
  }
.nav-content {
display: flex;
flex-direction: column;
width: 100%;
  }
.nav-katalog {
width: 100%;
  }
.nav-ul-1,
.nav-ul-2,
.nav-ul-3 {
width: 100%;
background-color: white;
  }
.nav-ul-1,
.nav-ul-3 {
position: relative;
border: 1px solid white;
margin-top: 15px;
z-index: 599;
  }
.nav-ul-3 {
z-index: 596;
  }
.nav-ul-2 {
visibility: hidden;
opacity: 0;
position: absolute;
width: 380px; /* Ширина меню nav-ul-2 */
padding-left: 60px;
left: 296px;
top: 0;
transition: visibility 0s, opacity 0.2s linear;
transition-timing-function: linear;
z-index: 597;
background: linear-gradient(to left, white 360px, transparent 360px); /* Ширина меню nav-ul-2 білий фон */
padding-left: 0;
  }
.nav-ul-2::before {
position: absolute;
content: "";
width: 360px; /* Ширина меню nav-ul-2::before */
height: 100%;
top: 0;
right: 0;
outline: 1px solid grey;
z-index: -1;
  }
.nav-ul-1 > li,
.nav-ul-2 > li,
.nav-ul-3 > li {
display: flex;
flex-direction: row;
align-items: center;
justify-content: flex-start;
font-size: 17px;
padding-top: 12px;
padding-bottom: 7px;
line-height: 1.5;
height: 40px;
  }
.nav-ul-1 > li:last-child,
.nav-ul-2 > li:last-child,
.nav-ul-3 > li:last-child {
padding-bottom: 12px;
  }
.nav-ul-1 > li,
.nav-ul-3 > li {
padding-left: 12px;
  }
.nav-ul-2 > li {
margin-left: 20px;
padding-left: 12px;
  }
.nav-ul-1 > li a,
.nav-ul-2 > li a,
.nav-ul-3 > li a {
color: var(--color-graphite);
text-decoration: none;
width: calc(100% - 10px);
margin-left: 12px;
  }
.nav-ul-1 li:hover > .nav-ul-2 {
visibility: visible;
opacity: 1;
   }
 .nav-ul-1:hover {
border: 1px solid grey;
  }
.nav-ul-1 > li:hover,
.nav-ul-2 > li:hover,
.nav-ul-3 > li:hover {
background-color: lightgray;
  }
.nav-ul-1 > li:hover > a,
.nav-ul-2 > li:hover > a,
.nav-ul-3 > li:hover a,
.nav-info > li:hover a {
color: var(--color-blue);
  }
.nav-info {
display: flex;
align-items: center;
color: var(--color-blue);
font-size: 17px;
font-weight: bold;
border: 1px solid var(--color-blue);
padding-left: 24px;
height: 34px;
margin-top: 20px;
border-radius: 17px;
  }
.nav-phone::before {
margin-top: -3px;
position: absolute;
content: "";
display: inline-block;
width: 26px;
height: 26px;
background-repeat: no-repeat;
background-position: center;
background-size: 26px 26px;
}
.nav-kievstar::before {
background-image: var(--img-kievstar);
}
.nav-vodafone::before {
background-image: var(--img-vodafone);
background-size: 24px 24px;
}
.nav-viber::before {
background-image: var(--img-viber);
}
.nav-instagram::before {
background-image: var(--img-instagram);
}
.nav-ul-3 > li.nav-phone > a {
margin-left: 45px;
}
.nav-ul-3 > li.nav-instagram > a {
padding: 0;
margin: 0;
margin-left: 46px;
}
.nav-li-1 > a:before {
position: absolute;
content: "";
display: inline-block;
width: 18px;
height: 18px;
font-size: 17px;
background-image: var(--img-arrow);
background-repeat: no-repeat;
background-size: 12px 12px;
background-position: center;
opacity: 0.4;
right: 5px;
margin-top: 2px;
}
.nav-li-1:last-child > a:before  {
margin-top: 4px;
}
.nav-li-1:hover > a:before {
opacity: 0.8;
}
.nav-body::before {
content: "";
position: fixed;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.125);
visibility: visible;
transition: 0.2s linear;
z-index: 598;
}
@media screen and (max-width: 800px) {
nav {
  display: none;
}
  }