@import "fonts.css";

@extrabold: "Proxima Nova Extrabold", sans-serif;
@regular: "Proxima Nova Regular", sans-serif;
@bold: "Proxima Nova Bold", sans-serif;
@bold-it: "Proxima Nova Bold Italic", sans-serif;
@base-color: #005fce;
@red: #e82e37;
@white: aliceblue;
@size30: 30px;
@photo-mask: #000000;
@bgsz: cover;
@rub: "\20BD";
html {
  font-size: 18px;
}

body {
  margin: 0;
  box-sizing: border-box;
  font-family: @regular;
  background-color: white;
}

.shadow() {
  box-shadow: 0 0 12px rgba(255, 255, 255, .5); /* Параметры тени */
}

button, a.btn {
  background: @red;
  border: none;
  padding: 15px 30px;
  color: @white;
  text-transform: uppercase;
  font-size: 18px;
  letter-spacing: 1px;
  border-radius: 4px;
  font-family: @bold;
  text-decoration: none;
  .shadow;
}

li {
  list-style-type: none;
}

ul {
  margin-left: 0; /* Отступ слева в браузере IE и Opera */
  padding-left: 0; /* Отступ слева в браузере Firefox, Safari, Chrome */
}

button:hover, a.btn:hover,#button:hover {
  cursor: pointer;
  background-color: @red - 20%;
  color: @white - 20%;
}



header {
  display: flex;
  align-items: flex-end;
  height: 700px;
  background: url(../img/header_fon_min.jpg) @base-color no-repeat center center;
  position: relative;
  -webkit-background-size: cover;
  background-size: cover;
  justify-content: space-around;

  section {
    flex: 0 1250px;

    article {
      padding: 10px;
      //   margin-bottom: 20px;
      .logo {

        display: flex;
        justify-content: space-between;

        .crn {
          min-width: 210px;
          height: 45px;
          background: url(../img/crn.png) no-repeat center center;
          -webkit-background-size: contain;
          background-size: contain;
        }

        .landata {
          min-width: 210px;
          height: 45px;
          background: url(../img/Landata_white.svg) no-repeat center center;
          -webkit-background-size: contain;
          background-size: contain;
        }

        .eaton {
          width: 210px;
          height: 45px;
          background: url(../img/Eaton_white.svg) no-repeat center center;
          -webkit-background-size: contain;
          background-size: contain;
        }
      }

      menu {
        display: flex;
        align-items: center;
        justify-content: space-around;
      }
    }

    article:nth-of-type(1) {
      margin-bottom: 100px;
    }

    article:nth-of-type(2) {
      margin-bottom: 80px;
    }

    article:nth-of-type(3) {
      margin-bottom: 40px;
    }
  }
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 2rem;
}

h1 {
  font-family: @extrabold;
  font-size: 100px;
  text-align: center;
  color: @white;
  line-height: 110px;
  margin: 0;
}

h2 {
  font-size: 72px;
}

h3 {
  font-size: 60px;
}

h4 {
  font-size: 42px;
  color: @base-color;
  font-family: @bold;
}

h5 {
  font-size: 32px;
  font-family: @bold;
}

.font-size(@size) {
  font-size: @size;
}

h6 {
  .font-size(@size30);
  color: @base-color;
}

.partner {
  span {
    font-weight: bold;
    font-size: 28px;
    color: @base-color;
  }

  li {
    display: flex;
    justify-content: space-between;
    flex: 1 100px;
    padding: 0 10px 10px 0;

    div {
      min-width: 145px;
    }

    div:nth-of-type(2) {
      flex: 2 100px;
      padding: 8px 0;
    }
  }
}


main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  flex-direction: column;

  section {
    display: flex;
    max-width: 1250px;

    article {
      padding: 10px;
      margin-top: 30px;
      flex: 1 300px;

      .quote {
        margin-top: -60px;
        padding: 20px 100px 20px 50px;
        max-width: 900px;
        height: 200px;
        background: url(../img/ww2.png) no-repeat center center;
        -webkit-background-size: cover;
        background-size: cover;

        h6 {
          color: black;
          .font-size(@size30 - 2);
          margin-bottom: 15px;
        }
      }

      .pic {
       // display: block;
        max-width: 100%;
        height: auto;
      }

      img {
        margin: 0 auto;
      }
    }

    article:nth-of-type(1) {
      flex: 0 603px  ;
      margin-right: 0;
    }
  }
}

.photo(@height,@src,@indexCount,@mask, @bg-size) {
  .hv() when (iscolor(@mask)) {
    &:hover {
      opacity: 0.8;
    }
  }
  .photo-@{indexCount} {
    width: 100%;
    height: @height;
    background-image: url("../img/@{src}");
    background-size: @bg-size;
    background-clip: padding-box;
    background-position: center center;
    background-repeat: no-repeat;
    .hv();
  }
}

.placeholder(@height,@src,@indexCount,@mask,@bg-size, @padding) {
  .bg() when (iscolor(@mask)) {
    background-color: @mask;
  }
  .photo-box {
    padding: @padding;
    height: @height;
    .bg();
    .photo(@height, @src, @indexCount, @mask, @bg-size) ;
  }
}

// Настройки генератора картинок
.generate-pic(@column-prefix, @column-count, @mask,@bg-size, @padding) {
  .generate-class(@indexCount, @indexPrefix: 1) when (length(@column-prefix) >= @indexPrefix  ) {
    // Получаем элемент списка
    @prefix: extract(@column-prefix, @indexPrefix);
    // Формируем селектор
    .placeholder(200px, @prefix, @indexPrefix, @mask, @bg-size, @padding) ;
    // Порождаем следующую итерацию
    .generate-class(@indexCount, @indexPrefix + 1);
  }

  // Генератор картинок
  .make-grid(@indexCount: 1) when (@indexCount =< @column-count) {
    // Вызываем генератор селекторов
    .generate-class(@indexCount);
    // Порождаем следующую итерацию
    .make-grid(@indexCount + 1);
  }
  .make-grid();
}

.bg {
  display: flex;
  flex-direction: column;
  padding: 40px;
  -webkit-background-size: cover;
  background-size: cover;
  align-items: center;
  flex-wrap: wrap;

  section {
    display: flex;
    flex-wrap: wrap;
    width: 1250px;
  }
}

.bg.servers {
  background: url(../img/br.jpg) @base-color no-repeat center center;

  h4 {
    text-align: center;
    color: @white;
  }

  article {
    flex: 1 300px;
    margin: 10px;
    background-color: @white;
    // .placeholder(200px, '18765.jpg', 1) ;
    // Вызываем генератор картинок
    @photo-name: "18765.jpg", "korob.jpg", "mash.jpg", "kaska.JPG", "plc.jpg", "maska.jpg";
    .generate-pic(@photo-name, 6, @photo-mask, @bgsz, 0);

    strong {
      color: @base-color;
    }

    .text {
      padding: 20px;
    }
  }
}

.bg.copy {
  background: url(../img/water.jpg) @base-color no-repeat top center;

  h4 {
    text-align: center;
    color: @white;
  }

  article {
    flex: 1 300px;
    margin: 10px;
    // background-color: @white;
    // .placeholder(200px, '18765.jpg', 1) ;
    // Вызываем генератор картинок
    @photo-name: "18765.jpg", "korob.jpg", "mash.jpg", "kaska.JPG", "plc.jpg", "maska.jpg";
    .generate-pic(@photo-name, 6, @photo-mask, @bgsz, 0);

    strong {
      color: @base-color;
    }

    .text {
      padding: 20px;
    }
  }
}

.bg.water {
  background: url(../img/water.jpg) @base-color no-repeat top center;
  padding: 0;
  align-items: center;
  margin-bottom: -20px;
  article {
    flex: 1 200px;
    // margin: 10px;
    .placeholder(375px, "computers.png", 40, '', contain, 0 0 15px 40px);

    .text-big {
      padding-right: 1rem;
      .font-size(@size30 - 7.4);
      font-family: @regular;
    }

    h4 {
      text-align: left;
      font-family: @extrabold;
      margin-bottom: 30px;
      font-size: 2.8rem;
      padding: 0;
    }

    h3 {
      .font-size(@size30 + 10.17);
      color: @base-color;
      text-align: center;
      font-family: @extrabold;
      padding: 0;
      margin: 30px 0 1rem;
    }

    h5 {
      text-align: center;
      .font-size(@size30);
      padding: 0 9rem;
      margin: -16px 0 0;
    }

    h6 {
      color: black;
      .font-size(@size30);
      font-family: @extrabold;
      padding: 0;
      margin: 0;
    }

    strong {
      color: black;
    }

    article {
      flex: 1 260px;
      margin: 12px;
      padding: 10px;
      background-color: @white;

      .current {
        font-size: @size30 + 8;
        font-family: @bold
      }

      .current:after {
        padding-left: 5px;
        content: @rub;
      }

      .text {
        align-items: center;
        display: flex;
        flex-direction: column;

        div {
          align-items: center;
          padding-bottom: 10px;
        }
      }

      // Вызываем генератор картинок
      @photo-name2: "5000.png", "10000.jpg", "1500.png", "2000.png" ;
      .generate-pic(@photo-name2, 4, '', contain, 20px);

      strong {
        color: @base-color;
      }
    }

    article.sh {
      flex: 1 260px;
      box-shadow: 0 0 19px rgba(5, 5, 5, 0.28);
    }
  }
  article:nth-of-type(1) {
    flex: 0 675px;
  }
  article:first-child {
    align-self: flex-end;

  }

 
  article:nth-of-type(5) {
    flex: 2 260px;
    background: none;
    font-family: @bold-it;
  }
}

.bg.footer {
  margin-top: 3rem;
  background: url(../img/bg_footer.jpg) @base-color no-repeat center center;
  padding: 0;

  article {
    flex: 1 200px;
    padding: 0;
    color: @white;
    justify-content: flex-end;
    align-items: flex-end;
    margin-left: 4em;

    blockquote {
      margin: 0;
      padding-left: 15px;
      position: relative;
      border-left: 6px solid @white;
    }

    .bold {
      font-weight: bolder;
      font-size: 1.3rem;
    }

    .stroke {
      border-bottom: .1px @white dashed;

      &:hover {
        border-bottom: .1px @red + 10 dashed;
      }
    }

    a.decor {
      color: @white;
      text-decoration: none;

      &:hover {
        color: @red + 10;
      }
    }
  }

  article:first-child {
    align-self: center;

    a.btn {
      margin-left: 20px;
    }
  }

  article:nth-of-type(2) {
    // Вызываем генератор картинок
    .placeholder(310px, "ser.png", 50, '', contain, 0);
    .photo-box {
      position: relative;
      .photo-50 {
        position: absolute;
        top: -50px;
      }
    }
  }
}

#button {
  .shadow;
  display: none;
  background-color: @red;
  width: 50px;
  height: 50px;
  text-align: center;
  border-radius: 4px;
  margin: 30px;
  position: fixed;
  bottom: 30px;
  right: 30px;
  transition: background-color .3s;
  z-index: 1000;
}

#button.show {
  display: inline-block;
}

#button::after {
  content: "\f077";
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  font-size: 2em;
  line-height: 50px;
  color: #fff;
}