@import "normalize.css" screen;
@import "fonts.css" screen;

/*baisic*/
html{
  -webkit-locale: "ru-RU";
  direction: ltr;
  unicode-bidi: isolate;
  min-height: 100%;
  font-size: calc(10vw / 1920 * 100);
  background-color: #252C2C;
}
html, body{
  min-height: 100%;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}
body{
  font: 300 1.6rem/1.26 'TT_TANK', sans-serif;
  min-height: 100%;
  position: relative;
  overflow-x: hidden;
  opacity: 1;
  -moz-font-feature-settings: 'kern';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: none;
}

/*box-sizing*/
*, *:before, *:after, input[type="search"]{box-sizing: border-box;}

/*layout*/
.tank-wrapper{
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  position: relative;	 
}

/*typographyc*/
ul,li,h1,h2,p{    
  margin:0;
  padding: 0;    
  border: none;
}
ul li{list-style: none;}
a{
  text-decoration: none;
  outline: none;
  transition: .25s ease;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
a:-moz-any-link:focus ,
a:-moz-focusring,
a::-moz-focus-inner,
a::-moz-focus-outer{
  outline: 0!important;
  outline: none;
}
a:active {outline: none;}

/*layout*/
.tank-wrapper{
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  position: relative;	
  background-color: #252C2C;
  color: #fff;
}
.tank-wrapper::before{
  content: '';
  display: block;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 3.4rem;
  width: 1px;
  background-color: #F5F5F5;
}

/*header*/
.tank-header{
  position: fixed;
  z-index: 900;
  top: 54px;
  left: 0;
  right: 0;
  padding: 1.7rem 3.6rem 1.7rem 54.7rem;
  background-color: #FD9552;
}
.tank-header__logo{
  position: absolute;
  top: 50%;
  left: 5.5rem;
  transform: translateY(-50%);
  width: 5.4rem;
  height: 6.8rem;
}
.tank-header__logo svg{
  display: block;
  width: 100%;
  height: 100%;
}
.tank-header__nav ul{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 4.9rem;
}
.tank-header__nav ul li{
  max-width: 49.3rem;
}
.tank-header__nav a{
  color: #000;
  font-size: 1.7rem;
  text-align: center;
}
.tank-header__nav a b{
  font-weight: 500;
}
.tank-header__nav a:hover{
  color: #fff;
}

/*tank-footer*/
.tank-footer{
  position: fixed;
  bottom: 2rem;
  left: 7.5rem;
  width: 38rem;
}
.tank-footer__txt{
  margin-bottom: 6.5rem;
  font-size: 1.5rem;
}
.tank-footer__txt b{
  font-weight: 500;
  font-size: 1.4rem;
}
.tank-footer__txt p{
  margin-bottom: 1.8rem;
}
.tank-footer__txt a{
  text-decoration: underline;
  text-decoration-style: dotted;
}
.tank-footer__txt a:hover{
  color: #FD9552;
}
.tank-footer__back{
  outline: 0!important;
  outline-color: transparent!important;
  outline-width: 0!important;
  outline-style: none!important;
  box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
  background: none;
  box-shadow: none;
  transition: .25s ease;  
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  padding: 0 2.5rem;
  width: fit-content;
  border-radius: 2.5rem;
  height: 5rem;
  color: #FD9552;
  border: 1px solid #FD9552;
  font-weight: 300;
  font-size: 1.9rem;
  text-align: center;
  transition: color ease-out .05s, border-color ease-out .05s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tank-footer__back:hover{
  color: #000;
  background-color: #FD9552;
}

/*tank-main*/
.tank-main{
  padding: 17.5rem 3.6rem 0 54.7rem;
  padding-top: calc(57px + 9.8rem);
}
.tank-bar{
  position: fixed;
  top: calc(57px + 12.8rem);
  left: 7.5rem;
  width: 46rem;
}
.tank-bar.hide{
  display: none;
}
.tank-title{
  color: #FD9552;
  font-size: 4.6rem;
  font-weight: 700;
}
.tank-sec{
  padding-bottom: 8rem;
  display: none;
}
.tank-sec.active{
  display: block;
}
.tank-sec__top{
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  margin-bottom: 3.6rem;
  padding-top: 2rem;
}
.tank-sec__numb{
  width: 13rem;
  color: #FD9552;
  font-family: 'Roboto';
  font-size: 17rem;
  font-weight: 900;
  line-height: .95;
  flex-shrink: 0;
}
.tank-sec__question{  
  font-size: 4.2rem;
  font-weight: 300;
}
.tank-sec__main{
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.tank-sec__pic{
  flex-shrink: 0;
  margin-right: 6rem;
}
.tank-sec__pic img{
  width: 100%;
}
.tank-sec__pic--1,
.tank-sec__pic--2,
.tank-sec__pic--3{width: 59.4rem;}
.tank-sec__pic--4{width: 49.3rem;}
.tank-sec__pic--5{width: 49.3rem;}
.tank-sec__pic--resault{
  width: 66.3rem;
  margin-right: 4.7rem;
}
.tank-sec__wrap{
  flex-grow: 1;
}
.tank-sec__quizze{
  margin-bottom: 2.8rem;
}
.tank-sec-item{
  margin-bottom: 3.4rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.tank-sec-item:last-child{margin-bottom: 0;}
.tank-sec-item__icn{
  display: block;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 3.2rem;
  background: #FD9552;
  cursor: pointer;
}
.tank-sec-item input{
  display: none;
}
.tank-sec-item .wrong:checked + .tank-sec-item__icn{
  cursor: default;
  background: url(../img/tank-error.svg) center center no-repeat #FF761D;
  background-size: 1.5rem auto;
}
.tank-sec-item .right:disabled + .tank-sec-item__icn,
.tank-sec-item .right:checked + .tank-sec-item__icn{
  cursor: default;
  background: url(../img/tank-check.svg) center center no-repeat #FD9552;
  background-size: 2rem auto;
}
.tank-sec-item__txt{
  color: #fff;
  font-size: 2.4rem;
}
.tank-sec__ansver{
  display: none;
  color: #FD9552;
  font-size: 2.3rem;
}
.tank-sec__ansver b{
  font-weight: 500;
}
.tank-sec__ansver a{
  text-decoration: underline;
  color: #FD9552;
}
.tank-sec__ansver a:hover{color: #fff;}
.tank-sec__next{
  display: none;
  outline: 0!important;
  outline-color: transparent!important;
  outline-width: 0!important;
  outline-style: none!important;
  box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
  background: none;
  box-shadow: none;
  transition: .25s ease;  
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  padding: 0 2.5rem;
  width: 26.2rem;
  border-radius: 2.5rem;
  height: 5rem;
  color: #FD9552;
  border: 1px solid #FD9552;
  font-weight: 300;
  font-size: 1.9rem;
  text-align: center;
  transition: color ease-out .05s, border-color ease-out .05s;
  margin-top: 2rem;
}
.tank-sec__ansver.show,
.tank-sec__ansver.show ~ .tank-sec__next{
  display: block;
}
.tank-sec__next::-moz-focus-inner {border: 0;}
.tank-sec__next:hover{
  color: #000;
  background-color: #FD9552;
}
.tank-sec__answer{
  font-size: 6.4rem;
  font-weight: 300;
  max-width: 109.4rem;
}
.tank-sec__resault{
  font-size: 2.1rem;
}
.tank-sec__resault a{
  color: #fff;
  text-decoration: underline;
}
.tank-sec__resault a:hover{
  color: #FD9552;
}
.tank-sec__resault ~ .tank-sec__next{
  display: block;
}

@media only screen and (max-width : 767px) and (orientation: portrait){
  html{
    font-size: calc(10vw / 767 * 100);
  }

  /*layout*/
  .tank-wrapper::before{
    display: none;
  }

  /*header*/
  .tank-header{
    padding: 0;
    height: 9.8rem;
  }
  .tank-header__nav{
    display: none;
  }

  /*tank-footer*/
  .tank-footer{
    position: static;
    width: 100%;
    padding: 0 5.5rem 5rem;
  }
  .tank-footer__txt{
    max-width: 38rem;
    text-align: center;
    margin: 0 auto 6.5rem;
  }
  .tank-footer__back{
    width: 26.2rem;
    margin: 0 auto;
  }

  /*tank-main*/
  .tank-main{
    padding: calc(57px + 9.8rem) 5rem 0 0;
  }
  .tank-bar{
    position: static;
    padding: 3rem 5.5rem 5rem;
    width: 100%;
  }
  .tank-title{
    font-size: 6.7rem;
    line-height: 8rem;
  }
  .tank-sec{
    padding-bottom: 10rem;
  }
  .tank-sec__top{
    margin-bottom: 4.5rem;
    padding-top: 0;
  }
  .tank-sec__numb{
    width: 11.4rem;
    line-height: 19.9rem;
    margin-top: -2rem;
  }
  .tank-sec__main{
    display: block;
    padding-left: 5.5rem;
  }
  .tank-sec__pic{
    margin-right: 0;
    margin-bottom: 5.4rem;
  }
  .tank-sec__pic--1,
  .tank-sec__pic--2,
  .tank-sec__pic--3,
  .tank-sec__pic--4,
  .tank-sec__pic--5,
  .tank-sec__pic--resault{
    width: 100%;
    margin-right: 0;
  }
  .tank-sec__wrap{
    padding-left: 6.4rem;
  }
  .tank-sec__quizze{
    margin-bottom: 3.6rem;
  }
  .tank-sec__ansver{
    font-size: 2.5rem;
  }
  .tank-sec__next{
    margin: 3rem 0 0 13.4rem;
  }
  
  .tank-sec__answer{
    max-width: unset;
    padding-left: 5.5rem;
  }
  .tank-sec__resault{
    font-size: 2.4rem;
  }
}