* {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    background-color: #ffffff;
}
p {
    margin: 0;
}
a {
    text-decoration: underline;
    color: #0A6CDE;
}

.page {
    font-family: 'Urbanist', sans-serif;
    color: #535969;
    max-width: 744px;
    margin: auto;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
}

.header, .footer {
    text-align: center;
}
.header {
    padding: 13px 0;
}
.header .logo {
    display: inline-block;
}

.footer {
    padding: 40px 20px;
}
.footer__copyright {
    display: inline-block;
}

.h1 {
    font-size: 28px;
    line-height: 1.4;
    font-weight: 700;
    color: #2C313E;
}
.h2 {
    font-size: 24px;
    line-height: 1.4;
    font-weight: 700;
    color: #2C313E;
}
.logo {
    width: 138px;
    height: 34px;
}
.container {
    padding: 60px;
}
.background {
    margin: 0 20px;
    border-radius: 20px;
    background: linear-gradient(117.82deg, #C6E5FE 0%, #E1D2FF 99.66%);
}
.background .container {
    padding: 60px 40px;
}
.row {
    display: flex;
}
.col + .col {
    margin-left: 40px;
}
.center {
    text-align: center;
}
.f-0 {
    font-size: 0;
}
.title {
    display: block;
    margin: 0;
}
.text {
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
    color: #535969;
}
.subtext {
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
    color: #535969;
}
.title + .text {
    margin-top: 20px;
}
.title + .subtext {
    margin-top: 10px;
}

.form__row {
    display: block;
}
.form__row + .form__row {
    margin-top: 20px;
}
.form__submit {
    width: 100%;
}
.input {
    display: block;
    width: 100%;
    border-radius: 25px;
    box-shadow: none;
    outline: none;
    padding: 10px 20px 12px;
    border: 1px solid #E0E0E8;
    background: #F9FAFC;
    font-family: 'Urbanist', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
}
.input::placeholder {
    color: #535969;
    opacity: 1;
}
.input + .input {
    margin-top: 10px;
}
.checkbox {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background-color: #FFFFFF;
    background-repeat: no-repeat;
    background-position: center;
    border: 1px solid #DFE3EA;
}
.checkbox:hover {
    background-color: #F9FAFC;
}
.checkbox:focus, .checkbox:active {
    background-color: #FFFFFF;
    border-color: #0A6CDE;
}
.checkbox.disabled {
    background-color: #F9FAFC;
    border: 1px solid #DFE3EA;
}
.checkbox-input {
    display: none;
}
.checkbox-input:checked ~ .checkbox {
    border-color: #0A6CDE;
    background-color: #0A6CDE;
    background-image: url("check.svg");
}
.checkbox-input:checked ~ .checkbox:hover {
    background-color: #085FC5;
    border-color: #085FC5;
}
.checkbox-input:checked ~ .checkbox:focus,
.checkbox-input:checked ~ .checkbox:active {
    background-color: #0A6CDE;
    border-width: 1.5px;
    border-color: #97C7FF;
}
.checkbox-input:disabled ~ .checkbox {
    background-color: #F9FAFC;
    border: 1px solid #DFE3EA;
}
.checkbox-input:checked ~ .checkbox.disabled {
    background-color: #97C7FF;
    border-color: #97C7FF;
}
.checkbox-wrapper {
    display: flex;
}
.checkbox-wrapper .checkbox {
    flex: 0 0 auto;
    margin-top: 2px;
    margin-left: 2px;
}
.checkbox-text {
    display: inline-block;
    font-size: 13px;
    line-height: 1.5;
    font-weight: 500;
}
.checkbox + .checkbox-text {
    margin-left: 12px;
}
.button {
    display: inline-block;
    background: #085FC5;
    border-radius: 40px;
    padding: 10px 10px 13px;
    text-align: center;
    outline: none;
    border: 3px solid #085FC5;
    font-family: 'Urbanist', sans-serif;
    font-size: 15px;
    line-height: 23px;
    font-weight: 700;
    color: #FFFFFF;
    cursor: pointer;
}
.button:hover {
    background: #0A6CDE;
    border-color: #0A6CDE;
}
.button:active {
    background: #085FC5;
    border-color: #97C7FF;
}
.button:disabled {
    background: #085FC5;
    border-color: #085FC5;
    opacity: 0.5;
}

.section-top .text {
    color: #2C313E;
}
.section-top__col_image {
    font-size: 0;
}
.section-top__image {
    width: 240px;
    height: 240px;
}

.col.section-submit__form {
    width: 300px;
    flex: 0 0 auto;
}

.section-chat {
    background: #F9FAFC;
    text-align: center;
}
.section-chat .title {
    width: 490px; /* fix */
    margin-left: auto;
    margin-right: auto;
}
.section-chat__image {
    width: 458px;
    height: 220px;
    margin: 40px auto 0;
    background-image: url("livechat_744@2x.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: top center;
}

.section-apps {
    position: relative;
    text-align: center;
}
.section-apps:before, .section-apps:after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    z-index: 0;
    background: #FFFFFF;
}
.section-chat + .section-apps:before {
    background: #F9FAFC;
}
.section-apps:before {
    top: 0;
    height: 116px;
}
.section-apps:after {
    bottom: 0;
    height: 156px;
}
.section-apps__content {
    position: relative;
    z-index: 1;
}
.section-apps__title {
    width: 400px; /* fix */
    margin: 0 auto 40px;
}
.section-apps__labels {
    text-align: center;
    font-size: 0;
}
.section-apps__labels .section-apps__label {
    display: inline-block;
}
.section-apps__label + .section-apps__label {
    margin-left: 20px;
}
.section-apps__label-img {
    width: 124px;
    height: 44px;
}

/* RESPONSIVE */
@media screen and (max-width: 743px) {
    .page {
        max-width: 414px;
    }
    .header {
        padding: 8px 0;
    }
    .container {
        padding: 40px 20px;
    }
    .background .container {
        padding: 40px 20px;
    }
    .title + .text {
        margin-top: 10px;
    }
    .footer {
        text-align: left;
        padding: 40px 16px 20px;
    }
    .footer__copyright {
        max-width: 250px;
    }

    .section-top .row,
    .section-submit .row {
        flex-direction: column;
    }
    .section-top .title {
        width: 324px; /* fix */
    }
    .section-top__col_image {
        display: none;
    }
    .col.section-submit__form {
        width: 100%;
        flex: 1;
        margin-left: 0;
        margin-top: 20px;
    }
    .section-chat {
        text-align: left;
    }
    .section-chat .title {
        width: 360px;
        margin: 0;
    }
    .section-chat__image {
        width: 100%;
        height: 180px;
        background-image: url("livechat_414@2x.png");
        margin-top: 20px;
    }
    .section-apps {
        padding-top: 40px;
        text-align: left;
    }
    .section-apps:after, .section-apps:before {
        display: none;
    }
    .section-apps__title {
        width: 100%;
        margin: 0 0 20px;
    }
    .section-apps__labels {
        text-align: left;
    }
    .section-apps__label-img {
        width: 145px;
        height: 52px;
    }
    .section-apps__label + .section-apps__label {
        margin-left: 10px;
    }
}
@media screen and (max-width: 413px) {
    .page {
        max-width: 360px;
    }
    .container {
        padding: 40px 16px;
    }
    .background .container {
        padding: 40px 16px;
    }
    .background {
        margin: 0 16px;
    }
    .h1 {
        font-size: 24px;
        line-height: 1.4;
    }
    .section-top .title {
        width: 100%;
    }
    .section-submit .title {
        width: 240px;
    }
    .section-chat .title {
        width: 280px;
    }
    .section-chat__image {
        height: 160px;
        background-image: url("livechat_360@2x.png");
    }
    .section-apps__label-img {
        width: 143px;
        height: 50px;
    }
}
@media screen and (max-width: 359px) {
    .page {
        max-width: 325px;
    }
    .h2 {
        font-size: 20px;
        line-height: 1.4;
    }
    .section-chat__image {
        background-image: url("livechat_325@2x.png");
    }
    .section-apps__label-img {
        width: 123px;
        height: 44px;
    }
}