/*------------------
    Reset styles
------------------*/
*
{
    box-sizing: border-box;
    margin: 0;
    padding: 0;

    scroll-margin-top: var(--cont_padding);
}

*:before,
*:after
{
    box-sizing: border-box;
}

html
{
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
        -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

body
{
    margin: 0;

    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;
    text-rendering: optimizeLegibility;
    text-decoration-skip: objects;
}

img
{
    border-style: none;
}

textarea
{
    overflow: auto;
}

input,
textarea,
input:active,
textarea:active,
button
{
    margin: 0;

    -webkit-border-radius: 0;
            border-radius: 0;
         outline: none transparent !important;
    box-shadow: none;

    -webkit-appearance: none;
            appearance: none;
    -moz-outline: none !important;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button
{
    margin: 0;

    -webkit-appearance: none;
}

input[type=number]
{
    -moz-appearance: textfield;
}

:focus
{
    outline: 0;
}

:hover,
:active
{
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
}


::-ms-clear
{
    display: none;
}


@font-face {
    font-family: 'Helvetica Neue';
    src: url('../fonts/HelveticaNeue-Bold.woff2') format('woff2'),
    url('../fonts/HelveticaNeue-Bold.woff') format('woff'),
    url('../fonts/HelveticaNeue-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}



/*-------------------
    Global styles
-------------------*/
:root
{
    --bg: #041531;
    --content_width: 1170px;
    --cont_padding: 30px;
    --cont_padding_double: calc(var(--cont_padding) * 2);
    --cont_padding_half: calc(var(--cont_padding) * .5);
    --text_color: #fff;
    --font_size: 16px;
    --font_size_title: 60px;
    --font_family: "Montserrat", sans-serif;
    --font_family_title: "Helvetica Neue", Arial, sans-serif;
}

html
{
    height: 100%;
    min-height: -moz-available;
    min-height: -webkit-fill-available;
    min-height:         fill-available;
}


body
{
    height: 100%;
    min-height: -moz-available;
    min-height: -webkit-fill-available;
    min-height:         fill-available;

    font-family: var(--font_family);
    font-size: var(--font_size);
    font-weight: 300;
    line-height: normal;

    color: var(--text_color);
}


body.lock
{
    overflow: hidden;
}


button
{
    display: inline-block;

    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;

    cursor: pointer;
    vertical-align: top;

    color: inherit;
    border: none;
    background: none;
}


.wrap
{
    position: relative;
    z-index: 9;

    display: flex;
    overflow: clip;
    flex-direction: column;

    min-height: 100%;

    background: var(--bg);
}


.wrap > .main
{
    position: relative;

    display: flex;
    flex: 1 0 auto;
    flex-direction: column;
}


.cont
{
    width: 100%;
    max-width: calc(var(--content_width) + var(--cont_padding_double));
    margin-inline: auto;
    padding-inline: var(--cont_padding);
}


.row
{
    display: flex;
    align-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: flex-start;
}



.block
{
    margin-bottom: 60px;
}



.overlay
{
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;

    display: none;

    width: 100%;
    height: 100%;

    opacity: .65;
    background: var(--text_color);
}

.btn {
    font-size: 18px;
    line-height: 50px;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    text-align: center;
    width: 361px;
    height: 50px;
    background: url("../images/bg_btn.png") no-repeat center center;
    background-size: cover;
    border-radius: 10px;
}

.title_block {
    font-family: var(--font_family_title);
    font-weight: bold;
    font-size: var(--font_size_title);
    margin-bottom: 1em;
}

/*------------
    Header
------------*/
header
{
    position: relative;
    width: 100%;
    padding-block: 17px;
    height: 168px;
    background: url("../images/head_grad.png") left center;
}
@media print,
(min-width: 1921px)
{
    header
    {
        background-size: cover;
    }
}


header .data
{
    position: relative;

    display: flex;
    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}



header .logo
{
    display: block;

    text-decoration: none;

    color: currentColor;
}


header .logo img
{
    display: block;
    margin-top: 7px;
    width: 101px;
    height: 124px;
}



header .menu
{
    gap: 35px;
}


header .menu_item > a,
header .langs span,
header .langs a
{
    display: block;

    font-size: 16px;
    line-height: 1.2;

    transition: color .2s linear;
    text-decoration: none;

    color: #fff;
}

header .menu_item > a:hover,
header .langs a:hover
{
    text-decoration: underline;
}

header .langs
{
    gap: 30px;
}

header .langs span {
    font-weight: 500;
}

header .langs .lang + .lang {
    position: relative;
}
header .langs .lang + .lang:before {
    content: "";
    position: absolute;
    left: -15px;
    top: 0;
    width: 1px;
    height: 100%;
    background: #fff;
    opacity: 0.5;
}


header .mob_menu_btn
{
    display: none;
    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;

    width: 68px;
    height: 68px;

    color: currentColor;
}


header .mob_menu_btn span
{
    position: relative;

    display: block;

    width: 24px;
    height: 2px;

    transition: background .2s linear;

    background: currentColor;
}


header .mob_menu_btn span:before,
header .mob_menu_btn span:after
{
    position: absolute;
    top: -8px;
    left: 0;

    display: block;

    width: 100%;
    height: 100%;

    content: '';
    transition: .2s linear;

    background: currentColor;
}


header .mob_menu_btn span:after
{
    top: 8px;
}


header .mob_menu_btn.active span
{
    background: transparent;
}


header .mob_menu_btn.active span:before
{
    top: 0;

    transform: rotate(45deg);
}


header .mob_menu_btn.active span:after
{
    top: 0;

    transform: rotate(-45deg);
}

.about {
    position: relative;
}

.about .bg
{
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;

    display: block;

    height: 100%;
    width: 100%;

    pointer-events: none;
}


.about .bg img
{
    display: block;

    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right top;
}

.about .bg img.mob
{
    display: none;
}

.about .cont {
    position: relative;
    z-index: 3;
}

.about .cont .data {
    position: relative;
    min-height: 100vh;
    min-height: min(100vh, 1080px);
    width: 50%;
    padding-top: calc(var(--cont_padding) * 4);
    padding-bottom: calc(var(--cont_padding) * 4);
    padding-right: var(--cont_padding_double);
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.about .cont .data:before {
    content: "";
    position: absolute;
    z-index: 1;
    top: 0;
    right: 0;

    display: block;

    height: 100%;
    width: 50vw;
    background-color: rgba(11, 15, 22, 0.8);
}

.about .cont .data .data-inner {
    position: relative;
    z-index: 10;
}

.about .cont .data .desc {
    font-size: 30px;
    line-height: 1.6;
    font-weight: 500;
    padding-bottom: 3.6em;
}



.black_block {
    padding-top: 200px;
    padding-bottom: 200px;
    background: #041531;
}

.black_block + .black_block {
    padding-top: 0;
}

.black_block .desc {
    font-size: 30px;
    line-height: 1.6;
    font-weight: 500;
}


.services {
    background: #f4f0e9;
    color: #041531;
    padding-top: 180px;
    padding-bottom: 180px;
}

.list_services {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: stretch;
    margin-top: 140px;
    margin-bottom: calc(var(--cont_padding_double) * -1);
}
.list_service_item {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    width: calc(50% - var(--cont_padding));
    flex: 0 0 calc(50% - var(--cont_padding_double));
    margin: 0 var(--cont_padding_double) var(--cont_padding_double) 0;
}
.list_service_item:nth-child(2n) {
    margin-right: 0;
}
.list_service_item .list_service_icon {
    width: 105px;
    flex: 0 0 105px;
    margin-right: 43px;
    text-align: center;
}
.list_service_item .list_service_icon img {
    max-width: 100%;
    height: auto;
}
.list_service_item .list_service_data {
    font-size: 24px;
    padding-top: 1.25em;
}
.list_service_item .list_service_title {
    font-size: 1.25em;
    font-weight: bold;
}
.list_service_item .list_service_desc {
    line-height: 1.67em;
    margin-top: 0.21em;
    font-weight: 300;
}

.request {
    padding-top: 70px;
    padding-bottom: 70px;
    position: relative;
}
.request .bg
{
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;

    display: block;

    height: 100%;
    width: 100%;

    pointer-events: none;
}


.request .bg img
{
    display: block;

    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left center;
}

.request .cont {
    position: relative;
    z-index: 4;
    max-width: 1840px;
    display: flex;
    justify-content: flex-end;
}

.request .wrap_form {
    width: 50%;
    flex: 0 0 50%;
    background: #f4f0e9;
    padding: 70px;
    color: #28282a;
    min-height: 699px;
}
.request .wrap_form .desc {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 40px;
}

.request .wrap_form .title_block {
    margin-bottom: 25px;
}




/*------------------
    Form elements
------------------*/
.form
{
    --form_error_color: #f00;
    --form_bg_color: #fff;
    --form_placeholder_color: rgba(46, 45, 38, 0.5);
}


.form ::-webkit-input-placeholder
{
    color: var(--form_placeholder_color);
}

.form :-moz-placeholder
{
    color: var(--form_placeholder_color);
}

.form ::-moz-placeholder
{
    color: var(--form_placeholder_color);

    opacity: 1;
}

.form :-ms-input-placeholder
{
    color: var(--form_placeholder_color);
}


.form .columns
{
    margin-left: calc(var(--form_columns_offset) * -1);

    --form_columns_offset: 70px;
}

.form .columns > *
{
    width: calc(50% - var(--form_columns_offset));
    margin-left: var(--form_columns_offset);
}


.form .line
{
    margin-bottom: 35px;
}


.form .field
{
    position: relative;
}


.form .input
{
    color: #2e2d26;
    font-family: var(--font_family);
    font-size: 16px;
    font-weight: 300;

    display: block;

    width: 100%;
    height: 54px;
    padding: 0 27px;

    border: none;
    border-radius: 0;
    background: var(--form_bg_color);
}

.form textarea.input
{
    height: 132px;
    padding-top: 18px;
    padding-bottom: 18px;
    line-height: 1.2;
}

.form .input:-webkit-autofill
{
    -webkit-box-shadow: inset 0 0 0 50px var(--form_bg_color) !important;
}




.form .error
{

}

.form p.error {
    color: var(--form_error_color);
    font-size: 14px;
    margin-top: 5px;
}


.form .submit_btn
{
    width: 340px;
    background: url("../images/bg_btn2.png") no-repeat;
}

.form .agree label
{
    color: #333;
    font-size: 14px;
    line-height: 20px;

    position: relative;

    display: flex;

    min-height: 24px;
    padding-left: 38px;

    cursor: pointer;

    justify-content: flex-start;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
}


.form .agree label input
{
    display: none;
}


.form .agree label .check
{
    color: #2e506c;

    position: absolute;
    top: 0;
    left: 0;

    display: flex;

    width: 24px;
    height: 24px;

    border: 1px solid #9cacbb;

    justify-content: center;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
}

.form .agree label .check .icon
{
    display: block;

    width: 14px;
    height: 11px;

    transition: opacity .2s linear;

    opacity: 0;
}


.form .agree label a
{
    color: #2e506c;

    transition: color .2s linear;
    text-decoration: none;
}

.form .agree label a:hover
{
    color: #fe563b;
}


.form .agree label input:checked + .check .icon
{
    opacity: 1;
}


.form .bottom
{
    display: flex;

    justify-content: space-between;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
    margin-top: 45px;
}


.form .bottom .agree
{
    width: 335px;
    max-width: 100%;
    margin-left: auto;
}



.form select
{
    display: none;
}


.form .nice-select
{
    position: relative;

    cursor: pointer;
}


.form .nice-select .current
{
    font-size: 16px;
    font-weight: 300;
    line-height: 54px;
    color: var(--form_placeholder_color);

    display: block;
    overflow: hidden;

    height: 54px;
    padding: 0 74px 0 27px;

    cursor: pointer;
    white-space: nowrap;
    text-overflow: ellipsis;

    background: var(--form_bg_color);
}

.form .selected + .nice-select .current
{
    color: #2e2d26;
}


.form .nice-select-dropdown
{
    position: absolute;
    z-index: 9;
    top: 100%;
    left: 0;

    visibility: hidden;
    overflow: hidden;

    width: 100%;
    margin-top: -1px;
    padding: 4px 0;

    transition: .2s linear;
    transform: none;

    opacity: 0;
    background: #fff;
}


.form .nice-select .list .option
{
    font-size: 16px;
    font-weight: 300;

    display: block;

    padding: 15px 27px;

    list-style-type: none;

    cursor: pointer;
}

.form .nice-select .list .option:empty
{
    display: none;
}

.nice-select .option:hover, .nice-select .option.focus, .nice-select .option.selected.focus {
    background-color: #f6f7f9;
}
.nice-select .option.selected {
    font-weight: bold;
}
.nice-select .option.disabled {
    background-color: transparent;
    color: #90a1b5;
    cursor: default;
}

.form .nice-select.open .nice-select-dropdown
{
    visibility: visible;

    transform: none;

    opacity: 1;
}


.nice-select:after {
    border-bottom: 2px solid #acacab;
    border-right: 2px solid #acacab;
    content: '';
    display: block;
    height: 25px;
    margin-top: -18px;
    pointer-events: none;
    position: absolute;
    right: 24px;
    top: 50%;
    transform-origin: 66% 66%;
    transform: rotate(45deg);
    transition: all 0.15s ease-in-out;
    width: 25px;
}
.nice-select.open:after {
    transform: rotate(-135deg);
}


.list_projects {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: stretch;
}
.list_project_item {
    width: calc(100% / 3);
    flex: 0 0 calc(100% / 3);
    position: relative;
}
.list_project_item img {
    width: 100%;
    display: block;
}
.list_project_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 21px;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    background: rgba(11, 15, 22, 0.8);
    opacity: 0;
    transition: opacity .2s linear;
}
.list_project_overlay .name {
    text-transform: uppercase;
}

.list_project_item:hover .list_project_overlay {
    opacity: 1;
}

/*------------
    Footer
------------*/
footer
{
    padding-block: 54px;

    color: #fff;
    background: #041531;
}

footer .top
{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
}

footer .logo
{
    display: block;

    text-decoration: none;

    color: currentColor;
    padding-bottom: 5px;
}


footer .logo img
{
    display: block;

    width: 102px;
    height: 124px;
}


footer .top .info {
    padding-top: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}



footer .links
{
    display: flex;
    font-size: 18px;
    gap: 60px;
}


footer .links a
{
    text-decoration: none;

    color: currentColor;
}
footer .links a:hover
{
    text-decoration: underline;
}

footer .top .info .desc {
    text-align: right;
    font-size: 18px;
}

footer .bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
}
footer .bottom .copyright {
    font-weight: 500;
}

footer .bottom .email a {
    text-decoration: none;
    color: currentColor;
    font-weight: 500;
}
footer .bottom .email a:hover {
    text-decoration: underline;
}

.ajax_contener {
    position: relative;
}
.spec_field {
    display: none;
}

@media print,
(max-width: 1679px)
{
    :root {
        --font_size_title: 48px;
    }

    .black_block .desc,
    .about .cont .data .desc {
        font-size: 24px;
    }

    .request .wrap_form .desc {
        font-size: 20px;
    }

    .about .cont .data {
        min-height: min(100vh, 780px);
    }
}

@media print,
(max-width: 1439px)
{
    :root {
        --font_size_title: 42px;
    }

    .about .cont .data {
        min-height: min(100vh, 620px);
    }

    .black_block .desc,
    .about .cont .data .desc {
        font-size: 20px;
    }

    .request .wrap_form .desc {
        font-size: 16px;
    }

    .form .columns {
        --form_columns_offset: 40px;
    }

    .request .wrap_form {
        padding: 40px;
        min-height: 610px;
    }

    .request .bg img {
        object-position: center center;
    }
}

@media print,
(max-width: 1279px)
{

    header .menu {
        gap: 30px;
    }
    header .menu_item > a, header .langs span, header .langs a {
        font-size: 15px;
    }

    .about .cont .data {
        min-height: min(100vh, 570px);
    }

    .list_service_item .list_service_data {
        font-size: 18px;
    }
    .request .wrap_form {
        width: 65%;
        flex: 0 0 65%;
    }

    .list_service_item .list_service_icon {
        width: 80px;
        flex: 0 0 80px;
        margin-right: 30px;
    }

    .list_services {
        margin-top: 50px;
    }

    .services {
        padding-top: 80px;
        padding-bottom: 80px;
    }
    .black_block {
        padding-top: 100px;
        padding-bottom: 100px;
    }

    .about .cont .data {
        padding-top: calc(var(--cont_padding) * 3);
        padding-bottom: calc(var(--cont_padding) * 3);
    }

    footer .links {
        font-size: 16px;
        gap: 35px;
    }

}

@media print,
(max-width: 1023px)
{
    :root {
        --font_size_title: 36px;
    }

    .black_block .desc, .about .cont .data .desc {
        font-size: 18px;
    }

    header .menu {
        gap: 25px;
    }
    header .menu_item > a, header .langs span, header .langs a {
        font-size: 12px;
    }

    .about {
        padding-top: 546px;
    }
    .about .cont {
        background-color: rgba(11, 15, 22, 0.8);
    }
    .about .cont .data {
        min-height: 0;
        width: 100%;
    }

    .about .cont .data:before {
        display: none;
    }

    .about .cont .data {
        padding-top: var(--cont_padding);
        padding-bottom: var(--cont_padding);
        padding-right: 0;
    }

    header .langs {
        gap: 30px;
        position: absolute;
        right: 0;
        bottom: 0;
    }

    .title_block {
        margin-bottom: 0.5em;
    }

    .about .cont .data .desc {
        padding-bottom: 1.5em;
    }

    .services {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .black_block {
        padding-top: 80px;
        padding-bottom: 80px;
    }

    .list_service_item {
        width: 100%;
        margin-right: 0;
        flex: 0 0 100%;
    }

    .request .wrap_form {
        width: 100%;
        flex: 0 0 100%;
    }

    footer .links {
        font-size: 12px;
        gap: 20px;
    }

    footer .bottom {
        flex-direction: column;
        text-align: center;
    }

    footer .bottom .location {
        margin-top: 20px;
        margin-bottom: 20px;
    }

    .list_project_overlay {
        font-size: 16px;
    }
}

@media print,
(max-width: 767px)
{

    :root {
        --font_size_title: 32px;
        --cont_padding: 20px;
    }

    header .menu {
        display: none;
    }

    /*
    header .data {
        justify-content: center;
    }

     */

    header .langs {
        position: relative;
    }

    .black_block .desc, .about .cont .data .desc {
        font-size: 16px;
    }

    .btn {
        font-size: 14px;
        line-height: 40px;
        width: 280px;
        height: 40px;
        border-radius: 5px;
        margin-right: auto;
        margin-left: auto;
        display: block;
    }

    .about .bg img.desktop
    {
        display: none;
    }

    .about .bg img.mob
    {
        display: block;
        object-fit: contain;
        object-position: center top;
    }

    .black_block {
        padding-top: 100px;
        padding-bottom: 100px;
    }

    .list_service_item .list_service_data {
        font-size: 16px;
        padding-top: 1em;
    }

    .list_service_item .list_service_icon {
        width: 50px;
        flex: 0 0 50px;
        margin-right: 20px;
    }

    .request .wrap_form {
        padding: 20px;
        min-height: 589px;
    }
    .form .columns > * {
        width: 100%;
    }
    .form .line {
        margin-bottom: 20px;
    }

    .form .input {
        font-size: 14px;
        height: 40px;
        padding: 0 15px;
    }

    .form .nice-select .current {
        font-size: 14px;
        line-height: 40px;
        height: 40px;
        padding: 0 50px 0 15px;
    }

    .nice-select:after {
        height: 16px;
        margin-top: -11px;
        right: 15px;
        width: 16px;
    }

    .form .nice-select .list .option {
        font-size: 14px;
        padding: 10px 15px;
    }
    .form .bottom {
        justify-content: center;
        margin-top: 30px;
    }
    .form .submit_btn {
        width: 160px;
        background: url(../images/bg_btn.png) no-repeat center center;
    }

    .request {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .request .wrap_form .desc {
        margin-bottom: 25px;
    }

    footer .bottom {
        font-size: 16px;
    }

    footer .top {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
    }

    footer .top .info {
        margin-top: 40px;
    }
    footer .links {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        font-weight: 400;
        font-size: 16px;
    }

    footer .top .info .desc {
        text-align: center;
        font-size: 16px;
        margin-top: 40px;
    }

    .list_project_item {
        width: 50%;
        flex: 0 0 50%;
    }
    .list_projects {
        margin-left: calc(var(--cont_padding) * -1);
        margin-right: calc(var(--cont_padding) * -1);
    }
    .list_project_overlay {
        font-size: 14px;
    }
}