* {
    font-family: 'Roboto' , sans-serif;
}
header {
    position: relative;
    height: 50px;
}
nav {
    height: 50px;
    background-color: #212121;
    position: fixed;
    width: 100%;
    z-index: 2;
}
.menu {
    display: flex;
    justify-content: space-between;
    padding: 13px 70px;
    margin: 0 ;
    list-style-type: none;
}
.menu .menu_link {
    color: #ffffff;
    font-size: 15px;
    font-weight: 300;
}
.menu .menu_item {
    border-right: 2px dotted black;
    padding-right: 28px;
}

.subheader {
    position: absolute;
    width: 100%;
    height: 84px;
    background-color: rgba(0,0,0, .6);
    top: 50px
}
.subheader .subheader_logo {
    display: block;
    max-width: 100%;
    margin-top: 16px;
}
.subheader .subheader_official {
    margin-top: 6px;
    opacity: 0.5;
    color: #ffffff;
    font-size: 13px;
    font-weight: 400;
}
.subheader .subheader_call {
    color: #ffffff;
    font-size: 12px;
    font-weight: 300;
    margin-top: 19px;
    text-align: center;
    text-align: right;
}
.subheader .subheader_phone {
    display: block;
    margin-top: 8px;
    color: #ffffff;
    font-size: 22px;
    font-weight: 400;
    text-transform: uppercase;
    text-align: right;
    line-height: 12px;
}
.subheader .subheader_btn {
    margin-top: 19px;
    width: 172px;
    height: 46px;
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12);
    border: none;
    border-radius: 4px;
    background-image: linear-gradient(to top, #1eacc7 0%, #4ce2ff 100%);
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.21);
    color: #ffffff;
    font-size: 14px;
    font-weight: 400;
    text-transform: uppercase;
}
.promo {
    min-height: 450px;
    background: url('../img/background.png') center center/cover no-repeat;
    padding: 150px 0 135px 0;
}
.promo .promo_header {
    color: #ffffff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 60px;
    line-height: 60px;
    margin: 0;
    text-align: center;
}
.promo .promo_subheader {
    color: #ffffff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 36px;
    line-height: 36px;
    margin: 0;
    margin-top: 22px;
    text-align: center;
}
.promo .promo_descr {
    color: #ffffff;
    font-size: 18px;
    font-weight: 400;
    line-height: 24px;
    text-align: center;
    margin-top: 23px;
}
.promo .promo_btn a {
    display: block;
    margin: 118px auto 0;
    width: 259px;
    height: 63px;
    box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.12);
    border: none;
    background-image: linear-gradient(to top, #1eacc7 0%, #4ce2ff 100%);
    border-radius: 4px;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.21);
    color: #ffffff;
    font-size: 18px;
    font-weight: 400;
    text-transform: uppercase;
    text-align: center;
    padding: 20px ;
}
.reasons {
    padding: 71px 0 65px 0;
}

.label {
    margin: 0 auto;
    height: 24px;
    width: 112px;
    padding: 5px 12px;
    background-color: #000000;
    color: #ffffff;
    font-size: 11px;
    font-weight: 300;
    text-transform: uppercase;
    text-align: center;
}

.title {
    margin-bottom: 0;
    margin-top: 38px;
    color: #222222;
    font-size: 38px;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    
}
.mobile .title_mobile {
    margin-bottom: 0;
    margin-top: 90px;
    color: #222222;
    font-size: 38px;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
}

.reasons .reasons_block {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 35px;
}
.mobile .title_mobile a {
    text-decoration: none;
    color: #222222;
}
.reasons .reasons_block .reasons_round {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 26px;
    width: 113px;
    height: 113px;
    background-color: #1eacc7;
    border-radius: 100%;
}

.reasons .reasons_block .reasons_descr {
    width: 343px;
}

.reasons .reasons_block .reasons_descr .reasons_subtitle{
    line-height: 21px;
    color: #1eacc7;
    font-size: 17px;
    font-weight: 400;
}

.reasons .reasons_block .reasons_descr .reasons_text {
    color: #202020;
    font-size: 15px;
    font-weight: 300;
    line-height: 21px;
}
.mobile .subtitle {
    text-align: center;
}
.mobile .subtitle a {
    text-align: center;
    text-decoration: none;
    color: #212529;

}

.mobile{min-height:600x;padding:48px 0 79px 0;background:url("../img/bg_main.png") center center/cover no-repeat}
.mobile .row{margin-top:32px}
.mobile_item{position:relative;width:320px;height:280px;margin:0 auto;margin-bottom:19px;padding-top:92px}
.mobile_item_1{background:url("../img/bg/mobile_screen_1.jpg") center center/cover no-repeat}
.mobile_item_subtitle{color:#ffffff;font-size:24px;font-weight:400;line-height:31px;text-transform:uppercase;text-align:center}
.mobile_item_plus{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;position:absolute;bottom:35px;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:26px;height:26px;background-color:#000000;margin:0 auto;border-radius:100%;cursor:pointer}
.mobile .mobile_item_plus {
    padding-bottom: 80px;
}
.contact {
    padding: 71px 0 65px 0;
}
.contact .rectangle {
    display: block;
    margin: 0 auto;
    width: 390px;
    height: 450px;
    box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
    background-color: #ffffff;
    margin-top: 60px;
  }
  .mobile .rectangle {
    display: inline-block;
    vertical-align: top;
    background: url('../img/backgrounddom.png') center center/cover no-repeat;
    
    margin: 0 auto;
    margin: 20px;
    width: 320px;
    height: 280px;
    box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
    background-color: #ffffff;
    margin-top: 60px;

  }
  .mobile .rectangle2 {
    display: inline-block;
    vertical-align: top;
    background: url('../img/backgroundkvartira.png') center center/cover no-repeat;
    margin: 0 auto;
    margin: 20px;
    width: 320px;
    height: 280px;
    box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
    background-color: #ffffff;
    margin-top: 60px;

  }
  .mobile .rectangle3 {
    display: inline-block;
    vertical-align: top;
    background: url('../img/backgroundsklad.png') center center/cover no-repeat;
    margin: 0 auto;
    margin: 20px;
    width: 320px;
    height: 280px;
    box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
    background-color: #ffffff;
    margin-top: 60px;

  }
.contact .contacts_type {
    text-align: center;
    margin-bottom: 8px;
    opacity: 0.5;
    font-size: 16px;
    padding-top: 30px;
    font-weight: 500;
  }
.contact .contacts_contact {
    display: flex;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.56;
}
.contact a {
    color: #4C4C4C;
    text-decoration: none;
}
.contact .end_descr {
    color: rgba(0,0,0, .6);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 20px;
    line-height: 60px;
    margin: 0;
    text-align: left;
}
.mobile_first {min-height:1500x;padding:48px 0 79px 0;background:url("../img/bg_main.png") center center/cover no-repeat}

@media (max-width: 1200px) {
    .menu .menu_item {
        padding-right: 20px;
    }
    .menu .menu_link {
        font-size: 13px ;
    }
    .promo .promo_header {
        font-size: 50px;
    }
    .reasons .reasons_block {
        align-items: flex-start;
    }
    .reasons .reasons_descr {
        width: 300px;
    }
    .photo_1 {
            margin-right: 60px;
        }
    .photo_2 {
            margin-right: 30px;
        }
    .photo_4 {
            margin-right: 60px;
        }
    .photo_5 {
            margin-right: 30px;
        }
    .mobile .rectangle {
        display: block;
        margin: 0 auto;
        width: 320px;
        height: 280px;
        box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
        background-color: #ffffff;
        margin-top: 30px;
    }
    .mobile .title_mobile {
        margin-bottom: 0;
        color: #222222;
        font-size: 38px;
        font-weight: 700;
        text-transform: uppercase;
        text-align: center;
        padding-top: 90px;
    }
    
    }
@media (max-width: 991px) {
    .subheader .subheader_official {
        font-size: 10px;
    }
    .subheader .subheader_logo img {
        width: 100%;
    }
    .subheader .subheader_phone {
        font-size: 18px;
    }
    .subheader .subheader_btn {
        margin-top: 21px;
        height: 40px;
    }
    .promo .promo_header {
        font-size: 40px;
    }
    .promo .promo_subheader {
        font-size: 30px;
    }
    .reasons .reasons_block {
        flex-direction: column;
        align-items: center;
    }
    .reasons .reasons_descr {
        margin-top: 20px;
        width: 300px;
        text-align: center;
    }
    .photo_1 {
        margin-right: 60px;
        width: 230px;
        height: 280px;
    }
    .photo_2 {
        margin-right: 30px;
        width: 230px;
        height: 280px;
    }
    .photo_4 {
        margin-right: 60px;
        width: 230px;
        height: 280px;
    }
    .photo_5 {
        margin-right: 30px;
        width: 230px;
        height: 280px;
    }
    .photo_3 {
        width: 230px;
        height: 280px;
    }
    .photo_6 {
        width: 230px;
        height: 280px;
    }
    .subheader .viber {
        margin-top: 14px;
        width: 120px;
        height: 60px;
        border: none;
    
    }

}
@media (max-width: 767px) {
   .subheader .viber {
       display: none;
   }
   .subheader .subheader_phone {
       color: #ffffff;
       font-size: 16px;
       font-weight: 400;
       text-transform: uppercase;
   }
   .promo .promo_header {
       font-size: 40px;
       line-height: 45px;
   }
    .photo_1 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
        }
    .photo_2 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
    }
    .photo_4 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
    }
    .photo_5 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
    }
    .photo_3 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
    }
    .photo_6 {
        width: 320px;
        height: 280px;
        display: block;
        justify-content: central;
}
.subheader .viber {
    margin-top: 14px;
    width: 120px;
    height: 60px;
    border: none;

}
}

@media (max-width: 575px) {
    .subheader .subheader_official {
        display: none;
    }
    .end .end_descr {
        display: none;
    }
    .subheader .subheader_logo {
        margin-top: 27px;
    }
    .subheader .subheader_phone {
         font-size: 16px;
         font-weight: 400;
         text-transform: uppercase;
    }
    .subheader .subheader_call {
        font-size: 12px;
    }
    .promo .promo_header {
        font-size: 33px;
       line-height: 45px;
    }
    .promo .promo_subheader {
        font-size: 25px;
    }
    .reasons .title {
        font-size: 22px;
    }
    .contact .rectangle {
        display: block;
        margin: 0 auto;
        width: 310px;
        height: 480px;
        box-shadow: 0 4px 8px 0 rgba(175, 175, 175, 0.5);
        background-color: #ffffff;
        margin-top: 60px;
    }
    .mobile .mobile_item_plus {
        display: block;
        margin: 0 auto;
        width: 310px;
        margin-bottom: 100px;
    }
    .mobile .subtitle {
        text-align: center;
        font-size: 12px;
    }
    .mobile .title {
        text-align: center;
        font-size: 27px;
    }
}
.subheader .viber {
    margin-top: 14px;
    width: 120px;
    height: 60px;
    border: none;

}
.mobile .photo_7 {
    display: flex;
    justify-content: central;
}