.main,
body {
    position: relative
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul {
    margin: 0;
    padding: 0
}

.feedback h2,
.main_text {
    text-align: center
}

* {
    box-sizing: border-box
}

body {
    overflow-x: hidden;
    margin: 0;
    font-size: 16px
}

a {
    text-decoration: none;
    color: inherit
}

ul li {
    list-style: none
}

.container {
    max-width: 1176px;
    margin: 0 auto;
    width: 100%
}

@media (max-width:1176px) {
    .container {
        max-width: 97%;
        margin: 0 auto;
        width: 100%
    }
}

@font-face {
    font-family: ProximaNova-Semibold;
    src: url(../../fonts/ProximaNova-Semibold.woff2) format("woff2");
    font-weight: 400;
    font-style: normal
}

@font-face {
    font-family: ProximaNova-Bold;
    src: url(../../fonts/ProximaNova-Bold.woff2) format("woff2");
    font-weight: 400;
    font-style: normal
}

@font-face {
    font-family: ProximaNova-Regular;
    src: url(../../fonts/ProximaNova-Regular.woff2) format("woff2");
    font-weight: 400;
    font-style: normal
}

@font-face {
    font-family: ProximaNova-ExtarBold;
    src: url(../../fonts/ProximaNova-Extrabld.woff2) format("woff2");
    font-weight: 400;
    font-style: normal
}

header {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    padding: 15px 0;
    z-index: 1
}

header .header,
header .header ul {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-align: center;
    align-items: center
}

header .header ul li:not(:last-child) {
    margin-right: 35px
}

header .header ul li a {
    font-family: ProximaNova-Semibold;
    font-style: normal;
    font-weight: 600;
    font-size: 15px;
    line-height: 18px;
    color: #fff;
    transition: .5s
}

.feedback_form .sub,
.feedback h2 {
    font-family: ProximaNova-Bold
}

header .header ul li a:hover {
    color: #4585ff
}

header .header_social a:first-child {
    margin-right: 20px
}

@media (min-width:1176px) {
    header .burger,
    header .burger1,
    header ul.menu_mobile {
        display: none
    }
}

@media (max-width:1176px) {
    header .header .burger1,
    header .header_social,
    header .header ul.dekstop {
        display: none
    }
    header .header ul.menu_mobile {
        position: absolute;
        background-color: #185686cc;
        width: 100%;
        left: 0;
        top: 0;
        height: 100vh;
        display: none;
        text-align: center;
        -ms-flex-direction: column;
        flex-direction: column;
        -ms-flex-align: center;
        align-items: center;
        -ms-flex-pack: center;
        justify-content: center
    }
    header .header ul.menu_mobile li {
        margin-bottom: 30px
    }
    header .header ul.menu_mobile li a {
        font-size: 25px
    }
    header .header ul li:not(:last-child) {
        margin-right: 0
    }
    header .header .burger1 {
        position: relative
    }
}

.feedback_form,
footer .footer {
    display: -ms-flexbox;
    -webkit-box-pack: justify
}

.feedback {
    padding: 84px 0 70px;
    max-width: 976px;
    margin: 0 auto;
    width: 100%
}

.feedback h2 {
    font-style: normal;
    font-weight: 700;
    font-size: 40px;
    line-height: 49px;
    color: #212c56;
    max-width: 832px;
    margin: 0 auto 73px
}

.feedback_form {
    width: 100%;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between
}

.feedback_form input {
    width: 380px;
    font-family: ProximaNova-Regular;
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    color: rgba(0, 0, 0, .5);
    padding: 14px 23px;
    background: #f5f5f5;
    border: none;
    outline: 0;
    border-radius: 50px
}

.feedback_form .sub {
    background: #4585ff;
    border-radius: 50px;
    width: 180px;
    color: #fff;
    cursor: pointer;
    -webkit-appearance: none
}

footer .footer h3,
footer .footer ul li a {
    font-family: ProximaNova-Semibold;
    font-weight: 600;
    font-size: 15px;
    color: #fff;
    font-style: normal
}

footer {
    padding: 27px 0 20px;
    background-color: #212c56
}

footer .footer {
    max-width: 1176px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-align: center;
    align-items: center
}

footer .footer h3 {
    max-width: 225px;
    line-height: 22px
}

footer .footer ul {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-align: center;
    align-items: center
}

footer .footer ul li:not(:last-child) {
    margin-right: 35px
}

footer .footer ul li a {
    line-height: 18px
}

footer .footer ul li a:hover {
    color: #4585ff
}

@media (max-width:1176px) {
    footer .footer {
        max-width: 97%
    }
}

@media (max-width:976px) {
    .feedback {
        max-width: 97%
    }
    .feedback h2 {
        font-size: 30px;
        line-height: 32px;
        margin-bottom: 20px
    }
    .feedback_form {
        display: -ms-flexbox;
        display: flex;
        -ms-flex-direction: column;
        flex-direction: column;
        -ms-flex-align: center;
        align-items: center;
        -ms-flex-pack: center;
        justify-content: center
    }
    .feedback_form input {
        width: 100%;
        margin-bottom: 20px;
        text-align: center
    }
    .feedback_form .sub {
        width: 100%
    }
}

.main,
.main_blue {
    display: -ms-flexbox
}

@media (max-width:790px) {
    footer .footer h3,
    footer .footer ul li {
        margin-bottom: 20px
    }
    footer .footer {
        -ms-flex-direction: column;
        flex-direction: column
    }
    footer .footer h3 {
        max-width: 100%;
        text-align: center
    }
    footer .footer ul {
        -ms-flex-direction: column;
        flex-direction: column
    }
    footer .footer ul li:not(:last-child) {
        margin-right: 0
    }
}

.main {
    padding: 346px 0 321px;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    background-image: url(../../img/main.png);
    background-size: cover;
    background-size: calc(100% + 50px)
}

.about,
.main,
.main_blue {
    background-repeat: no-repeat;
    background-position: 50%
}

.about,
.main_blue {
    -webkit-box-pack: center
}

.main_text h1 {
    font-family: ProximaNova-Bold;
    font-style: normal;
    font-weight: 700;
    font-size: 60px;
    line-height: 73px;
    text-align: center;
    color: #fff
}

.main_blue_item h3,
.main_text p {
    font-size: 40px;
    line-height: 49px;
    font-style: normal;
    text-align: center
}

.main_text p {
    font-family: ProximaNova-Semibold;
    font-weight: 600;
    color: #4585ff
}

.main_blue {
    position: absolute;
    bottom: -63px;
    width: 100%;
    max-width: 1180px;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-align: start;
    align-items: flex-start;
    text-align: center;
    background-image: url(../../img/bl.png);
    background-size: 100% 100%;
    padding: 21px 0 17px
}

.about,
.model_content {
    display: -ms-flexbox
}

.main_blue_item {
    width: 130px;
    margin-right: 80px
}

.main_blue_item h3 {
    font-family: ProximaNova-ExtarBold;
    font-weight: 800;
    color: #fff
}

.main_blue_item p {
    font-family: ProximaNova-Semibold;
    font-style: normal;
    font-weight: 600;
    font-size: 15px;
    line-height: 18px;
    text-align: center;
    color: hsla(0, 0%, 100%, .8);
    max-width: 138px;
    margin: 0 auto
}

.about a,
.about h2 {
    color: #fff;
    font-family: ProximaNova-Bold;
    font-weight: 700;
    text-align: center;
    font-style: normal
}

.about {
    padding: 135px 0 114px;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    background-size: cover;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-align: center;
    align-items: center
}

.about h2 {
    font-size: 40px;
    line-height: 49px;
    max-width: 738px;
    margin-bottom: 60px
}

.about a {
    font-size: 15px;
    line-height: 22px;
    background: #4585ff;
    border-radius: 50px;
    padding: 17px 58px
}

.model {
    padding: 165px 0 88px;
    max-width: 845px;
    margin: 0 auto;
    width: 100%
}

.model h2 {
    font-family: ProximaNova-Bold;
    font-style: normal;
    font-weight: 700;
    font-size: 40px;
    line-height: 49px;
    text-align: center;
    margin-bottom: 26px;
    color: #212c56
}

.model_content {
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-align: center;
    align-items: center
}

.model_content_item h4 {
    font-family: ProximaNova-Semibold;
    font-style: normal;
    font-weight: 600;
    font-size: 15px;
    line-height: 22px;
    color: #212c56
}

.model_content_item-blok {
    margin-bottom: 45px;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center
}

.model_content_item-blok img {
    margin: 0 19px
}

.model_content .left {
    text-align: right
}

.model_content .left .model_content_item-blok {
    -ms-flex-pack: end;
    justify-content: flex-end
}

@media (max-width:1366px) {
    .main {
        padding: 242px 0 321px
    }
}

@media (max-width:770px) {
    .main {
        background-size: cover
    }
}

@media (max-width:1176px) {
    .model {
        max-width: 97%;
        padding: 165px 0 0
    }
    .model h2 {
        font-size: 25px;
        line-height: 28px;
        margin-top: 20px
    }
    .model_content .left {
        text-align: center;
        -ms-flex-item-align: start;
        align-self: flex-start;
        width: 107px
    }
    .model_content .m_img img {
        width: 100px
    }
    .model_content_item {
        text-align: center
    }
    .model_content_item h4 {
        font-size: 8px;
        line-height: 12px
    }
    .model_content_item-blok {
        -ms-flex-direction: column-reverse;
        flex-direction: column-reverse;
        padding-left: 0!important;
        padding-right: 0!important
    }
    .model_content_item-blok img {
        margin: 0 0 10px
    }
    .model_content_item .column {
        -ms-flex-direction: column;
        flex-direction: column
    }
    .main {
        padding: 160px 0
    }
    .main_blue {
        background-image: unset;
        background-color: #4585ff;
        -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
        max-width: 90%;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        bottom: -160px;
        padding: 10px 0
    }
    .main_blue_item {
        width: 30%;
        margin-bottom: 20px;
        margin-right: 0
    }
}

@media (max-width:540px) {
    .about h2 {
        font-size: 25px;
        line-height: 28px;
        max-width: 97%
    }
    .main_blue {
        background-image: unset;
        background-color: #4585ff;
        -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
        max-width: 90%;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        bottom: -160px;
        padding: 10px 0
    }
    .main_blue_item {
        width: 50%;
        margin-bottom: 20px;
        margin-right: 0
    }
}

@media (max-width:470px) {
    .main_text h1 {
        font-size: 35px;
        line-height: 41px
    }
    .main_text p {
        font-size: 23px
    }
}