header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;
}

.nav {
  height: 80px;
  width: 100%;
  position: relative;
  transition: 0.5s ease;
}

.nav.scrolled {
  height: 50px;
  background-color: #ffffff;
  box-shadow: 0px 0px 5px 1px #00000038;
}

.nav-inner {
  width: 80%;
  min-width: 600px;
  margin: 0 auto;
  height: 100%;
  position: relative;
}

.nav>.nav-inner>.nav-header {
  display: inline-block;
  height: 100%;
  margin-left: 10px;
  color: #ffffff;
  transition: 0.5s ease;
}

.nav.scrolled>.nav-inner>.nav-header {
  color: #424242;
}

.nav-inner>.nav-header>.nav-title {
  display: inline-block;
  position: relative;
  font-size: 22px;
  top: 50%;
  transform: translateY(-50%);
}

.nav>.nav-inner>.nav-btn {
  display: none;
}

.nav>.nav-inner>.nav-links {
  display: inline;
  float: right;
  font-size: 18px;
  margin-right: 10px;
  overflow: hidden;
}

.nav>.nav-inner>.nav-links>a {
  display: inline-block;
  padding: 30px 10px 29px 10px;
  text-decoration: none;
  color: #ffffff;
  transition: padding 0.5s ease;
  text-align: center;
}

.nav.scrolled>.nav-inner>.nav-links>a {
  color: #424242;
  padding: 13px 10px 14px 10px;
}

.section-selected-border {
  position: absolute;
  height: 2px;
  width: 100px;
  bottom: 0px;
  left: 0;
  background: #fff;
  transition: 0.5s ease;
}

.nav.scrolled .section-selected-border {
  background: #525252;
}

  /*.nav>.nav-inner>.nav-links>a:hover {*/
    /*!* background-color: rgba(0, 0, 0, 0.3); *!*/
    /*color: #6f6f6f;*/
  /*}*/

.nav-inner>#nav-check {
  display: none;
}

@media (max-width:600px) {
  .nav>.nav-inner {
    min-width: unset;
    width: 100%;
  }

  .nav.opened {
    background: #ffffff;
  }
  .nav.opened .nav-header {
    color: #424242;
  }
  .nav.opened>.nav-inner>.nav-btn>label>span {
    border-top: 2px solid #424242;;
  }

  .nav>.nav-inner>.nav-btn {
    display: inline-block;
    position: absolute;
    right: 0px;
    top: 0px;
  }

  .nav>.nav-inner>.nav-btn>label {
    display: inline-block;
    width: 50px;
    height: 50px;
    padding: 13px;
    margin-right: 7px;
    margin-top: 12px;
    transition: 0.5s ease;
  }

  .nav.scrolled>.nav-inner>.nav-btn>label {
    margin-top: 0;
  }

  .nav>.nav-inner>.nav-btn>label:hover {
    /*background-color: rgba(0, 0, 0, 0.3);*/
    cursor: pointer;
  }

  .nav>.nav-inner>.nav-btn>label>span {
    position: absolute;
    display: block;
    width: 24px;
    height: 0;
    border-top: 2px solid #ffffff;
    opacity: 1;
    transition: 0.5s ease;
    margin-top: 13px;
  }
  .nav>.nav-inner>.nav-btn>label>span:nth-child(1) {
    margin-top: 5px;
  }
  .nav>.nav-inner>.nav-btn>label>span:nth-child(3) {
    margin-top: 21px;
  }

  .nav.scrolled>.nav-inner>.nav-btn>label>span {
    border-top: 2px solid #424242;;
  }

  .nav.opened>.nav-inner>.nav-btn>label>span:nth-child(1) {
    transform: rotate(-225deg);
    margin-top: 13px;
  }
  .nav.opened>.nav-inner>.nav-btn>label>span:nth-child(2) {
    opacity: 0;
  }
  .nav.opened>.nav-inner>.nav-btn>label>span:nth-child(3) {
    transform: rotate(225deg);
    margin-top: 13px;
  }

  .nav>.nav-inner>.nav-links {
    position: absolute;
    display: block;
    width: 100%;
    /* background-color: #424242; */
    background-color: rgba(66, 66, 66, 0.95);
    height: 0px;
    transition: all 0.3s ease-in;
    overflow-y: hidden;
    top: 80px;
    left: 0px;
  }

  .nav.scrolled>.nav-inner>.nav-links {
    top: 50px;
  }

  .nav>.nav-inner>.nav-links>a {
    display: block;
    width: 100%;
    text-align: left;
    color: #efefef;
  }

  .nav.scrolled>.nav-inner>.nav-links>a {
    color: #efefef;
  }

  .nav .nav-links {
    height: 0px;
  }

  .nav.opened .nav-links {
    height: calc(100vh - 80px);
    overflow-y: hidden;
  }

  .nav.scrolled.opened .nav-links {
    height: calc(100vh - 50px);
  }

  .section-selected-border {
    display: none;
  }



}