.chart_block {
  padding-top: 26px;
  margin-bottom: 130px;
}

.chart_block img,
.trade_pic img,
.crm_work img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}

.trade_pic {
  position: relative;
  padding-top: 32px;
  min-height: 820px;
  background: url(../images/computer.jpg) no-repeat center;
  background-size: cover;
}

.trade_pic .gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: -moz-linear-gradient(top, rgba(237, 237, 237, 1) 0%, rgba(237, 237, 237, 0) 100%);
  background: -webkit-linear-gradient(top, rgba(237, 237, 237, 1) 0%, rgba(237, 237, 237, 0) 100%);
  background: linear-gradient(to bottom, rgba(237, 237, 237, 1) 0%, rgba(237, 237, 237, 0) 100%);
}

.trade_pic img {
  max-width: 100%;
}

.crm_work {
  background-image: url(../images/bg1.jpg);
  background-size: contain;
  padding: 60px 0 90px;
}

.collection_block {
  background-size: cover;
  padding-top: 80px;
  padding-bottom: 80px;
}

.collection_block .title_block {
  max-width: 700px;
  text-align: center;
  margin: 0 auto;
}

.collection_block .title_lvl3 {
  line-height: 0.7;
  margin-bottom: 20px;
}

.collection_block .txt {
  font-size: 16px;
  letter-spacing: -0.6px;
}


.title_lvl1 {
  max-width: 950px;
  margin: 0 auto 27px;
  line-height: 0.9;
}

.title_lvl2 {
  color: #4d4d4d;
  margin: 0 auto 20px;
}

.top {
  margin-bottom: 50px;
}

.subtitle {
  margin-bottom: 38px;
}

.chat_block {
  padding-top: 183px;
  margin-top: -80px;
}

.chart_block img,
.crm_work img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}

.chat_block .title_lvl2 {
  max-width: 643px;
  font-size: 60px;
  line-height: 0.7;
  margin-bottom: 13px;
}

.chat_block .txt {
  letter-spacing: -0.4px;
}

.pics_wrapper {
  display: flex;
  align-items: center;
  overflow: hidden;
  margin: 80px 0 128px;
  padding-left: 16%;
}

.pics_wrapper img {
  display: block;
  margin-right: 40px;
}

.pics_wrapper img:last-child {
  margin-right: 0;
}

/*media*/
@media screen and (max-width: 1410px) {
  .pics_wrapper {
    padding-left: 6%;
  }
}

@media screen and (max-width: 1380px) {
  .crm_work {
    padding-left: 40px;
    padding-right: 40px;
  }

  .pics_wrapper {
    padding-left: 40px;
    padding-right: 40px;
    margin-bottom: 80px;
    margin-top: 60px;
    box-sizing: border-box;
  }

  .pics_wrapper img:last-child {
    display: none;
  }
}

@media screen and (max-width: 1030px) {
  .chat_block .title_lvl2 {
    font-size: 40px;
  }
}

@media screen and (max-width: 1010px) {
  .collection_block {
    min-height: 680px;
  }
}

@media screen and (max-width: 850px) {
  .trade_pic {
    min-height: 800px;
  }

  .trade_pic .gradient {
    left: 40px;
    right: 40px;
  }
}

@media screen and (max-width: 800px) {
  .chart_block {
    margin-bottom: 80px;
  }
}

@media screen and (max-width: 770px) {
  .collection_block {
    min-height: 576px;
    background-position: center bottom -40px;
  }
}

@media screen and (max-width: 700px) {
  .chat_block .title_lvl2 {
    font-size: 38px;
  }

  .chat_block {
    padding-top: 80px;
  }
}

@media screen and (max-width: 650px) {
  .trade_pic {
    min-height: 200px;
    padding-top: 265px;
  }
}

@media screen and (max-width: 600px) {
  .trade_pic .gradient {
    left: 20px;
    right: 20px;
  }

  .collection_block {
    min-height: 360px;
    padding-top: 35px;
    background-position: center bottom -30px;
  }

  .collection_block .title_lvl3 {
    margin-bottom: 10px;
  }

  .pics_wrapper,
  .crm_work {
    padding-left: 20px;
    padding-right: 20px;
  }

  .chat_block .title_lvl2 {
    font-size: 30px;
    margin-bottom: 10px;
  }

  .chat_block .txt {
    font-size: 16px;
  }

  .pics_wrapper {
    margin-top: 30px;
    margin-bottom: 40px;
  }
}

@media screen and (max-width: 450px) {
  .chart_block {
    margin-bottom: 50px;
  }

  .chat_block .title_lvl2 {
    font-size: 28px;
  }
}

@media screen and (max-width: 420px) {
  .trade_pic {
    min-height: 318px;
    padding-top: 0;
    background-size: 540px;
    background-position: bottom;
  }

  .trade_pic .gradient {
    min-height: 180px;
  }
}