@keyframes vertical-moving {

    0% {
        transform: translateY(0%);
    }

    50% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(50%);
    }

}

@font-face {
    font-family: 'Gogh';
    src: url('../fonts/Gogh-Bold.ttf');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Gogh';
    src: url('../fonts/Gogh-Medium.ttf');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Gogh';
    src: url('../fonts/Gogh-Regular.ttf');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* Глобальные стили */

* {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
}

html.no-scroll, html.no-scroll body {
    overflow: hidden;
    position: relative;
    height: auto;
}

body {
    background-color: #000000;
    width: 100%;
    min-height: 100vh;
    color: #ffffff;
    font-family: 'Gogh', sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

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

h1 {
    font-size: inherit;
    margin: 0px;
}

.container-adaptive {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 48px;
}

@media screen and (max-width: 767px) {

    .container-adaptive {
        padding: 24px;
    }

}

@media screen and (max-width: 359px) { /* Айфон 4, 5 */

    .container-adaptive {
        padding: 16px 5px;
    }

}

@media screen and (max-width: 319px) {

    html, body {
        overflow-x: scroll;
    }

}

/* ----- */

/* Секции */

.section {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.section .container-adaptive {
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
}

.section.half-banner {
    min-height: 50vh;
}

/* ----- */

/* Шапка */

.header {
    position: absolute;
    z-index: 3;
    top: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__menu {
    cursor: pointer;
    pointer-events: auto;
}

.header__menu img {
    display: block;
    width: 26px;
}

.header__logo {
    display: block;
    pointer-events: auto;
}

.header__logo img {
    display: block;
    width: 155px;
}

/* ----- */

/* Кнопки */

.button {
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    outline: none;
}

.button span {
    transition: all 0.3s;
}

.button:hover span {
    color: #31B44B;
}

.button:after {
    content: '';
    display: block;
    width: 13px;
    height: 13px;
    background-image: url('../images/plus.svg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    margin-left: 8px;
    transform: translateY(-1px);
    transition: transform 0.3s ease-in-out, filter 0.3s linear;
}

.button.button_white:after {
    background-image: url('../images/plus-white.svg');
}

.button.button_white:hover span {
    color: #000000;
}

.button.button_white:hover:after {
    filter: brightness(0%);
}

.button:hover:after {
    transform: rotate(90deg);
}

.button.button_fill-white {
    background-color: #ffffff;
    color: #000000;
    border-radius: 5px;
    padding: 24px;
}

.button.button_fill-white:hover span {
    color: #31B44B;
}

.button.button_fill-green {
    background-color: #31B44B;
    color: white;
    text-transform: none;
    font-weight: 400;
    letter-spacing: 0;
    border-radius: 10px;
    padding: 14px 18px;
}

.button.button_fill-green:after {
    display: none;
}

.button.button_fill-green:hover span {
    color: #000000;
}

.button.button_big {
    font-size: 20px;
    padding: 15px 40px;
}

.button-download {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 12px;
    font-weight: 700;
    text-decoration: underline;
    color: #000000;
}

.button-download img {
    width: 30px;
    margin-right: 10px;
}

/* ----- */

/* Стартовый слайд */

.start {
    position: relative;
}

.start__item-subtitle, .start__item .button {
    opacity: 0;
    transition: all 0.4s;
}

.start__item:hover .start__item-subtitle, .start__item:hover .button {
    opacity: 1;
}

.start__item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    cursor: pointer;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: relative;
    flex-grow: 1;
    transition: width 0.4s, padding 0.4s;
    width: 34%;
}

.start__item:hover {
    width: 66%;
}

.start__item.start__item_right {
    align-items: flex-start;
    background-image: url('../images/hydration-bg.png');
    padding-left: 48px;
}

.start__item.start__item_right:hover {
    padding-left: 96px;
}

.start__item.start__item_left {
    background-image: url('../images/ventilation-bg.webp');
    padding-right: 48px;
}

.start__item.start__item_left:hover {
    padding-right: 96px;
}

.start__item.start__item_left .start__item-text-content {
    text-align: right;
}

.start__item-blackout {
    position: absolute;
    z-index: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    transition: opacity 0.4s;
    will-change: opacity;
}

.start__item > *:not(.start__item-blackout) {
    position: relative;
    z-index: 1;
}

.start__item:hover .start__item-blackout {
    opacity: 0.75;
}

.start__item-title {
    font-size: 64px;
    line-height: 1;
    font-weight: 700;
    transition: transform 0.4s;
    transform: scale(0.56);
    margin-bottom: 12px;
}

.start__item:hover .start__item-title {
    transform: scale(1);
}

.start__item_left .start__item-title {
    transform-origin: right bottom;
}

.start__item_right .start__item-title {
    transform-origin: left bottom;
}

.start__item-subtitle {
    font-size: 18px;
    white-space: nowrap;
}

.start__item .button {
    position: absolute;
    bottom: 96px;
}

.start__item.start__item_left .button {
    right: 96px;
}

.start__item.start__item_right .button {
    left: 96px;
}

.start__item.start__item_right:before {
    content: '';
    display: block;
    position: absolute;
    z-index: 2;
    width: 2px;
    height: 75%;
    top: 12.5%;
    left: -1px;
    background-image: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5), transparent);
    transition: opacity 0.3s;
}

.start:hover .start__item.start__item_right:before {
    opacity: 0;
}

.start__arrow {
    position: absolute;
    width: 48px;
    z-index: 2;
    bottom: 36px;
    left: calc(50% - 24px);
    transition: opacity 0.2s;
    animation: vertical-moving 1s ease-in-out alternate infinite;
}

.start:hover .start__arrow {
    opacity: 0;
}

@media screen and (max-width: 999px) {

    .start__item.start__item_right:hover {
        padding-left: 48px;
    }

    .start__item.start__item_left:hover {
        padding-right: 48px;
    }

    .start__item.start__item_left .button {
        right: 48px;
    }

    .start__item.start__item_right .button {
        left: 48px;
    }

    .start__item-title {
        font-size: 48px;
    }

    .start__item-subtitle {
        font-size: 16px;
    }

}

@media screen and (max-width: 767px) {

    .start__item.start__item_right:hover, .start__item.start__item_right {
        padding-left: 24px;
    }

    .start__item.start__item_left:hover, .start__item.start__item_left {
        padding-right: 24px;
    }

    .start__item.start__item_left .button {
        right: 24px;
    }

    .start__item.start__item_right .button {
        left: 24px;
    }

    .start__item-title {
        font-size: 36px;
    }

    .start__item-subtitle {
        font-size: 14px;
    }

}

@media screen and (max-width: 499px) {

    .start__item-title {
        font-size: 30px;
    }

    .start__item-subtitle {
        font-size: 11px;
    }

}

@media screen and (max-width: 399px) {

    .start__item-title {
        font-size: 26px;
    }

    .start__item-subtitle {
        font-size: 10px;
    }

}

@media screen and (max-width: 349px) {

    .start__item.start__item_right:hover, .start__item.start__item_right {
        padding-left: 15px;
    }

    .start__item.start__item_left:hover, .start__item.start__item_left {
        padding-right: 15px;
    }

    .start__item.start__item_left .button {
        right: 15px;
    }

    .start__item.start__item_right .button {
        left: 15px;
    }

}

/* ----- */

/* Текстовый баннер */

.text-banner.text-banner_green {
    background-color: #31B44B;
}

.text-banner__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 30px 0;
    width: 100%;
}

.text-banner__text {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    max-width: 850px;
}

.text-banner__text a {
    transition: color 0.2s;
}

.text-banner__text a, .text-banner__text span {
    text-decoration: underline;
}

.text-banner__text a:hover {
    color: #31B44B;
}

.text-banner.text-banner_green .text-banner__text a:hover {
    color: #000000;
}

.text-banner .button {
    margin-top: 40px;
}

@media screen and (max-width: 999px) {

    .text-banner__text {
        font-size: 36px;
    }

}

@media screen and (max-width: 699px) {

    .text-banner__text {
        font-size: 26px;
    }

}

@media screen and (max-width: 599px) {

    .text-banner__text {
        font-size: 22px;
    }

}

/* ----- */

/* Маленький баннер */

.half-banner.half-banner_green {
    background-color: #31B44B;
}

.half-banner__content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    max-width: 850px;
    width: 100%;
}

.half-banner__title {
    font-weight: 700;
    font-size: 64px;
    line-height: 1;
    margin-bottom: 30px;
}

.half-banner__subtitle {
    font-size: 24px;
}

.half-banner .button {
    margin-top: 40px;
}

@media screen and (max-width: 699px) {

    .half-banner__title {
        font-size: 49px;
    }

}

@media screen and (max-width: 499px) {

    .half-banner__title {
        font-size: 35px;
    }

}

/* ----- */

/* Баннер с номером */

.number-banner {
    background-color: #000000;
    position: relative;
}

.number-banner.number-banner_green {
    background-color: #31B44B;
}

.number-banner.number-banner_green .container-adaptive{
    border-bottom: 1px solid #31b54b;
}

.number-banner__content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    max-width: 700px;
}

.number-banner__content.number-banner__content_big {
    max-width: 850px;
}

.number-banner__content.number-banner__content_animated {
    opacity: 0;
    transition: opacity 0.5s;
}

.number-banner.active .number-banner__content.number-banner__content_animated {
    opacity: 1;
}

.number-banner__content > *:not(.number-banner__bg) {
    position: relative;
    z-index: 2;
}

.number-banner__bg, .presentation-banner__bg {
    position: absolute;
    z-index: 0;
    top: 1px;
    right: 0;
    height: 100%;
    width: 65%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    border-left: solid 1px #31b54b;
}

.number-banner__bg.number-banner__bg_right {
    background-position: right center;
}

.number-banner__bg.number-banner__bg_full, .presentation-banner__bg.presentation-banner__bg_big {
    width: 100%;
}

.number-banner__bg:after, .presentation-banner__bg:not(.presentation-banner__bg_big):after, #console-image:after {
    content: '';
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: linear-gradient(to right, #000000 0%, rgba(0, 0, 0, 0.2) 44%, transparent 100%, transparent 100%);
}

.number-banner.number-banner_green .number-banner__bg:after {
    background-image: linear-gradient(to right, #31B44B 0%, rgba(49, 180, 75, 0.2) 44%, transparent 100%, transparent 100%);
}

.number-banner__bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    z-index: 0;
}

.number-banner__number {
    height: 90px;
    margin-bottom: 32px;
}

.number-banner__title {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 30px;
}

.number-banner__content.number-banner__content_big .number-banner__title {
    font-size: 64px;
}

.number-banner__subtitle {
    font-size: 24px;
    margin-bottom: 40px;
}

@media screen and (max-width: 699px) {

    .number-banner__title, .number-banner__content.number-banner__content_big .number-banner__title {
        font-size: 36px;
    }

}

/* ----- */

/* Баннер презентации */

.presentation-banner {
    position: relative;
}

.presentation-banner.presentation-banner_overflow {
    overflow: hidden;
}

.presentation-banner__content {
    width: 100%;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.presentation-banner__content.presentation-banner__content_right {
    align-items: flex-end;
}

.presentation-banner__content.presentation-banner__content_top {
    justify-content: flex-start;
}

.presentation-banner__content.presentation-banner__content_bottom {
    justify-content: flex-end;
}

.presentation-banner__text {
    width: 100%;
    max-width: 540px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-shadow: 0 0 5px black, 0 0 15px black, 0 0 40px black;
}

.presentation-banner__title {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.1;
    margin-bottom: 30px;
}

.presentation-banner__title.presentation-banner__title_big {
    font-size: 48px;
}

.presentation-banner__desc {
    font-size: 20px;
    line-height: 1.3;
}

.presentation-banner .button {
    margin-top: 40px;
}

.presentation-banner__bg.presentation-banner__bg_big {
    background-size: 100% auto;
}

.presentation-banner__bg:not(.presentation-banner__bg_big) {
    transition: all 0.4s;
    opacity: 0;
    transform: translateX(100%);
}

.section.active .presentation-banner__bg:not(.presentation-banner__bg_big) {
    opacity: 1;
    transform: translateX(0%);
}

.presentation-banner__bg {
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
    border:none;
    border-left: solid 1px black;
}

.border-none__black{
    border-left: solid 1px black;
    padding-left: 2px;
}

.presentation-banner__bg video {
    width: auto;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    z-index: 0;
}

@media screen and (max-width: 899px) {

    .presentation-banner__title.presentation-banner__title_big {
        font-size: 36px;
    }

}

@media screen and (max-width: 799px) {

    .presentation-banner__content.presentation-banner__content_mobile-top {
        justify-content: flex-start;
    }

    .presentation-banner__content.presentation-banner__content_mobile-bottom {
        justify-content: flex-end;
    }

    .presentation-banner__content.presentation-banner__content_mobile-center {
        justify-content: center;
    }

}

@media screen and (max-width: 699px) {

    .presentation-banner__title {
        font-size: 26px;
    }

    .presentation-banner__title.presentation-banner__title_big {
        font-size: 32px;
    }

    .presentation-banner__desc {
        font-size: 16px;
    }

}

@media screen and (max-width: 399px) {

    .presentation-banner__title {
        font-size: 22px;
    }

    .presentation-banner__title.presentation-banner__title_big {
        font-size: 26px;
    }

    .presentation-banner__desc {
        font-size: 14px;
    }

}

/* ----- */

/* Картинка вентиляции */

#ventilation-image {
    position: absolute;
    z-index: 1;
    transition: all 1s;
    height: 400vh;
    width: 100%;
    left: 0;
    top: 0;
    overflow: hidden;
    background-image: url('../images/ventilation.webp');
    background-repeat: no-repeat;
    background-position: center top 25vh;
    background-size: 430px auto;
    will-change: all;
}

#ventilation-image.position-1 {
    background-size: 1000px auto;
    background-position: right 55vw top -600px;
}

#ventilation-image.position-2 {
    background-size: 1000px auto;
    background-position: left 35vw top 110vh;
}

#ventilation-image.position-3 {
    background-size: 1000px auto;
    background-position: left 50vw top 170vh;
}

#ventilation-image.position-4 {
    background-size: 1000px auto;
    background-position: left 50vw bottom -10vh;
}

@media screen and (max-width: 799px) {

    #ventilation-image {
        background-size: 215px auto;
    }

    #ventilation-image.position-1 {
        background-size: 500px auto;
        background-position: left -175px top -300px;
    }

    #ventilation-image.position-2 {
        background-size: 500px auto;
        background-position: right -100px top 130vh;
    }

    #ventilation-image.position-3 {
        background-size: 500px auto;
        background-position: right -175px top 230vh;
    }

    #ventilation-image.position-4 {
        background-size: 500px auto;
        background-position: right -150px bottom 40vh;
    }

}

/* ----- */

/* Картинка пульта */

#console-image {
    position: absolute;
    z-index: 0;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

#console-image > div {
    position: absolute;
    width: 100%;
    height: 100%;
    bottom: 0;
    left: 0;
    background-image: url('../images/console.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    transition: all 1s;
    transform-origin: left center;
    will-change: all;
}

.section.active #console-image > div {
    transform: scale(1.5);
}

@media screen and (max-width: 1199px) {

    .section.active #console-image > div {
        filter: brightness(50%);
    }

}

/* ----- */

/* Баннер с лого */

.logo-banner {
    background: #31B44B url('../images/logo-bg.svg') no-repeat bottom center;
    background-size: 100% auto;
    overflow: hidden;
}

.logo-banner.logo-banner_black {
    background-color: transparent;
}

/* ----- */

/* Таблица */

.table {
    width: 100%;
    max-width: 896px;
    margin: auto;
    font-size: 18px;
    line-height: 1.1;
}

.table__row {
    background-color: #ffffff;
    color: #000000;
    padding: 24px 12px;
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
    transition: all 0.6s;
    opacity: 0;
    transform: translateX(100%);
}

.section.active .table__row {
    opacity: 1;
    transform: translateX(0%);
}

.table__row + .table__row {
    margin-top: 1px;
}

.table__ceil {
    flex-grow: 1;
    flex-shrink: 1;
    flex-basis: 0;
    margin-left: 12px;
    margin-right: 12px;
}

.table.table_center .table__ceil {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.table.table_center .table__ceil:first-child {
    justify-content: flex-start;
    text-align: left;
}

.table__row:first-child {
    border-top-right-radius: 5px;
    border-top-left-radius: 5px;
    font-weight: 700;
}

.table__row:last-child {
    border-bottom-right-radius: 5px;
    border-bottom-left-radius: 5px;
}

.table__icon {
    width: 32px;
}

.table__icon + .table__icon {
    margin-left: 6px;
}

.table__row.table__footer {
    font-weight: 700;
}

@media screen and (max-width: 899px) {

    .table {
        font-size: 14px;
    }

    .table__icon {
        width: 22px;
    }

    .table__ceil {
        margin-left: 6px;
        margin-right: 6px;
    }

    .table__row {
        padding: 12px 6px;
    }

}

@media screen and (max-width: 499px) {

    .table {
        font-size: 11px;
    }

    .table__ceil {
        margin-left: 3px;
        margin-right: 3px;
    }

    .table__row {
        padding: 6px 3px;
    }

    .table__icon {
        width: 18px;
    }

}

/* ----- */

/* Полу-скролльный баннер */

.half-scroll {
    background-color: #31B44B;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: flex-start;
}

.half-scroll__column {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 48px;
}

.half-scroll__column.half-scroll__column_white {
    background-color: #ffffff;
    color: #000000;
}

.half-scroll__title {
    font-size: 36px;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 30px;
}

.half-scroll__title span {
    color: #000000;
}

.half-scroll__p {
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 30px;
}

.half-scroll__p a {
    text-decoration: underline;
}

.half-scroll__p span {
    color: #000000;
}

.half-scroll__p.half-scroll__p_small {
    font-size: 12px;
    max-width: 365px;
}

.half-scroll__down {
    margin-top: 48px;
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
}

.half-scroll__down:hover {
    color: #000000;
}

.half-scroll__down:after {
    content: '';
    display: inline-block;
    width: 17px;
    height: 10px;
    background: url('../images/down.svg') no-repeat center center;
    background-size: 100% 100%;
    margin-left: 8px;
    transform: translateY(-1px);
    transition: all 0.2s;
}

.half-scroll__down:hover:after {
    filter: brightness(0%);
}

.half-scroll__list {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.half-scroll__list-number {
    flex-shrink: 0;
    height: 90px;
    margin-left: 24px;
}

.half-scroll__items-wrapper {
    flex-grow: 1;
}

.half-scroll__item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.half-scroll__item + .half-scroll__item {
    margin-top: 24px;
}

.half-scroll__item-img {
    flex-shrink: 0;
    margin-right: 12px;
    width: 96px;
}

.half-scroll__item-img img {
    display: block;
}

.half-scroll__item-text {
    font-size: 18px;
    line-height: 1.3;
}

.half-scroll__blueprint {
    width: 100%;
    max-height: 90%;
    transition: all 0.4s;
    opacity: 0;
    transform: translateX(100%);
}

.half-scroll__blueprint-title {
    font-size: 11px;
    margin-top: 12px;
}

.section.active .half-scroll__blueprint {
    opacity: 1;
    transform: translateX(0%);
}

.half-scroll__buttons-list {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.half-scroll__buttons-list > * + * {
    margin-left: 24px;
}

.half-scroll__contacts {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
}

.half-scroll__onestudio {
    width: 100%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.half-scroll__onestudio-video {
    width: 100%;
    max-height: 400px;
}

.half-scroll__onestudio-social-list {
    display: flex;
    align-items: center;
    justify-content: center;
}

.half-scroll__onestudio-social-item {
    display: block;
    transition: all 0.2s;
}

.half-scroll__onestudio-social-item + .half-scroll__onestudio-social-item {
    margin-left: 10px;
}

.half-scroll__onestudio-social-item img {
    display: block;
    width: 40px;
}

.half-scroll__onestudio-social-item:hover {
    filter: brightness(20%);
}

.half-scroll__onestudio-phone, .half-scroll__onestudio-site {
    font-size: 20px;
    margin-top: 20px;
}

.half-scroll__onestudio-phone:hover, .half-scroll__onestudio-site:hover {
    text-decoration: underline;
}

.half-scroll__onestudio-site {
    text-transform: uppercase;
    color: #31B44B;
}

.half-scroll__wolzer {
    flex-shrink: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
    flex-direction: column;
    gap: 20px;
}

.half-scroll__wolzer-logo {
    width: 317px;
}

.half-scroll__wolzer-link {
    filter: brightness(5%);
    transition: all 0.2s;
}

.half-scroll__wolzer-link:hover {
    filter: brightness(100%);
}

.half-scroll__wolzer-link img {
    width: 40px;
}
.half-scroll__wolzer-social-list {
    display: flex;
    gap: 10px;
    align-items: center;
}
.half-scroll__owolzer-phone {
    font-size: 20px;
}
.half-scroll__owolzer-phone:hover {
    text-decoration: underline;
}
@media screen and (min-width: 1921px) {

    .half-scroll__column.half-scroll__column_right {
        padding-right: calc((100vw - 1920px) / 2 + 48px);
    }

    .half-scroll__column.half-scroll__column_left {
        padding-left: calc((100vw - 1920px) / 2 + 48px);
    }

}

@media screen and (max-width: 1099px) {

    .half-scroll__list {
        display: flex;
        flex-direction: column-reverse;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .half-scroll__list-number {
        margin-bottom: 30px;
        margin-left: 0;
    }

    .half-scroll__buttons-list {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .half-scroll__buttons-list > * + * {
        margin-left: 0;
        margin-top: 24px;
    }

    .half-scroll__title {
        font-size: 28px;
    }

}

@media screen and (max-width: 999px) {

    .half-scroll__title {
        font-size: 24px;
    }

}

@media screen and (max-width: 767px) {

    .half-scroll__column {
        padding: 24px;
    }

    .half-scroll__down {
        font-size: 12px;
        letter-spacing: 0;
    }

}

@media screen and (max-width: 699px) {

    .half-scroll__column {
        width: 100%;
    }

}

/* ----- */

/* Фиксированный блок */

.fixed-block {
    position: absolute;
    width: 50%;
    height: 100%;
    overflow: hidden;
    top: 0;
    right: 0;
    background-color: #ffffff;
    z-index: 1;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
}

.fixed-block.active {
    position: fixed;
}

.fixed-block__img {
    max-width: 100%;
    flex-shrink: 2;
    margin: auto;
}

.fixed-block__company {
    flex-shrink: 0;
    margin-top: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    color: #000000;
}

.fixed-block__company-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    text-transform: uppercase;
    font-size: 20px;
    line-height: 1.3;
}

.fixed-block__company-links a {
    text-decoration: underline;
}

.fixed-block__company-links a:last-child {
    color: #31B44B;
}

.fixed-block__company-logo-video {
    width: 195px;
}

@media screen and (max-width: 999px) {

    .fixed-block__company {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: space-between;
    }

    .fixed-block__company-links {
        align-items: flex-start;
        margin-top: 20px;
    }

}

@media screen and (max-width: 767px) {

    .fixed-block {
        padding: 24px;
    }

}

@media screen and (max-width: 699px) {

    .fixed-block {
        display: none;
    }

}

/* ----- */

/* Модальное окно */

.modal {
    position: fixed;
    z-index: 10;
    height: 100vh;
    overflow: hidden;
    width: 100%;
    left: 0;
    top: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
}

.modal.active {
    pointer-events: auto;
    opacity: 1;
}

.modal.modal_right {
    justify-content: flex-end;
}

.modal__window {
    width: 944px;
    background-color: #ffffff;
    color: #000000;
    overflow-y: auto;
    padding: 96px 96px 150px 96px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    height: 100%;
    transition: transform 0.4s;
    transform: translateX(-100%);
    position: relative;
}

.modal.modal_right .modal__window {
    transform: translateX(100%);
}

.modal.active .modal__window {
    transform: translateX(0%);
}

#modal-menu .modal__content {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.modal__close {
    width: 22px;
    cursor: pointer;
    position: absolute;
    top: 48px;
    left: 48px;
}

.modal.modal_right .modal__close {
    left: auto;
    right: 48px;
}

.modal__title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 48px;
    margin-top: 24px;
    line-height: 1;
}

@media screen and (max-width: 1149px) {

    .modal__window {
        width: 100%;
        padding: 48px 48px 150px 48px;
    }

    .modal__close {
        top: 24px;
        left: 24px;
    }

    .modal.modal_right .modal__close {
        right: 24px;
    }

}

@media screen and (max-width: 767px) {

    .modal__window {
        padding: 24px 24px 100px 24px;
    }

    .modal__close {
        width: 16px;
        top: 12px;
        left: 12px;
    }

    .modal.modal_right .modal__close {
        right: 12px;
    }

}

/* ----- */

/* Меню */

.menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu a {
    font-size: 48px;
    line-height: 1;
    font-weight: 700;
}

.menu li + li {
    margin-top: 24px;
}

@media screen and (max-width: 767px) {

    .menu a {
        font-size: 36px;
    }

}

/* ----- */

/* Проблемы */

.problems__list {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.problems__item {
    width: 48%;
    margin-bottom: 24px;
}

.problems__item-img {
    margin-bottom: 18px;
    height: 60px;
}

.problems__p {
    font-size: 24px;
    line-height: 1.3;
    margin-top: 24px;
}

.problems__p span {
    text-decoration: underline;
}

/* ----- */

/* Форма */

.form__fields {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.form__item {
    width: 100%;
    border: 1px solid #9CA0A8;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    border-radius: 5px;
    padding: 12px;
}

.form__item.form__item_small {
    width: 49%;
}

.form input[type="file"] {
    display: none;
}

.form__text-uploaded {
    display: none;
    color: #31B44B;
    max-width: 60%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form__item.active .form__text-uploaded {
    display: block;
}

.form__item.active .form__text-input {
    display: none;
}

.form__item-error {
    color: #FF5021;
    margin-left: 10px;
    display: none;
}

.form__item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form__text-input {
    border: none;
    outline: none;
    padding: 0;
    width: 100%;
    font-size: 16px;
}

.form__text-input::placeholder, .form__text-input:not(input) {
    color: #9CA0A8;
}

.form__item-label.form__item-label_required:after, .form__clarification:before {
    content: '';
    width: 8px;
    display: inline-block;
    height: 8px;
    background: url('../images/star.svg') no-repeat center center;
    background-size: 100% 100%;
    transform: translateY(-2px);
}

.form__item-label.form__item-label_required:after {
    margin-left: 4px;
}

.form__clarification:before {
    margin-right: 4px;
}

label.form__item {
    cursor: pointer;
    position: relative;
}

label.form__item:after {
    content: '';
    display: block;
    position: absolute;
    z-index: 2;
    bottom: 12px;
    right: 12px;
    width: 14px;
    height: 16px;
    background: url('../images/upload.svg') no-repeat center center;
    background-size: 100% 100%;
}

.form__checkbox-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.form__checkbox-wrapper > * {
    cursor: pointer;
}

.form__checkbox-wrapper label {
    margin-left: 6px;
    font-size: 16px;
}

.form__clarification {
    font-weight: 500;
    font-size: 13px;
}

.form__p {
    margin: 24px 0;
    font-size: 12px;
    color: #9CA0A8;
}
.message__success{
    display: none;
}
@media screen and (max-width: 799px) {

    .form__item.form__item_small {
        width: 100%;
    }

    .form__item-header {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
    }

    .form__item-error {
        margin-left: 0;
        margin-top: 5px;
    }

    .modal__title {
        font-size: 32px;
    }

}

/* ----- */

/* Анимируемый элемент */

.animated {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-200px);
    transition: all 0.01s;
    will-change: transform;
}

.section.active .animated {
    transition: all 0.6s;
    opacity: 1;
    transform: translateY(0%);
    pointer-events: auto;
}

/* ----- */

/* Полоска прогресса */

.progress {
    position: fixed;
    height: 4px;
    background-color: #31B44B;
    z-index: 8;
    top: 0;
    left: 0;
    box-shadow: 0 0 10px 0 #000000;
    pointer-events: none;
    transition: width 0.2s;
    transition-delay: 0.2s;
}

/* ----- */

/* Решение */

.solution__p {
    font-size: 24px;
    line-height: 1.3;
}

.solution__p.solution__p_small {
    font-size: 16px;
    line-height: 1.2;
}

.solution__list {
    margin-top: 48px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.solution__item {
    width: 48%;
    margin-bottom: 24px;
}

.solution__item-img {
    width: 41px;
    margin-bottom: 18px;
}

.solution__item-text {
    font-size: 16px;
    line-height: 1.2;
}

@media screen and (max-width: 499px) {

    .solution__p {
        font-size: 16px;
    }

    .solution__item {
        width: 100%;
    }

}

/* ----- */

/* Установки */

.installations__title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 100px;
}

.installations__content {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.installations__list {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: space-between;
    max-width: 1300px;
    margin: 0 auto;
}

.installations__item {
    width: 30%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    margin-bottom: 50px;
}

.installations__item-img {
    width: 75%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

.installations__item-img img {
    width: 100%;
}

.installations__item-img-first{
    padding: 70px 100px 70px 0px;
}

.installations__item-title {
    font-size: 24px;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 30px;
}

.installations__item .button {
    font-size: 12px;
}

.installations__item .button:after {
    width: 11px;
    height: 11px;
}

@media screen and (max-width: 1099px) {

    .installations__item {
        width: 47%;
    }

}

@media screen and (max-width: 649px) {

    .installations__item {
        width: 100%;
    }

    .installations__title {
        font-size: 30px;
    }

    .installations__item-img-first{
        padding: 70px 50px 0px 0px;
    }

    .installations__item-img-third-wrapper{
        width: 100%;
    }
}

/* ----- */

/* Описание установки */

.installation-description {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.installation-description__buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}

.installation-description__p {
    font-size: 20px;
    line-height: 1.3;
    margin: 20px 0;
}

.installation-description__p.installation-description__p_small {
    font-size: 14px;
}

.installation-description__img {
    width: 75%;
    margin: 30px auto;
    display: block;
}

@media screen and (max-width: 419px) {

    .installation-description__buttons {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .installation-description__buttons > * + * {
        margin-top: 20px;
    }

}

/* ----- */

/* Системы */

.systems__content {
    width: 100%;
}

.systems__text {
    display: none;
    max-width: 672px;
}

.systems__text.active {
    display: block;
}

.systems__image {
    display: none;
    width: 100%;
    max-width: 1344px;
}

.systems__image.active {
    display: block;
}

.systems__title {
    font-size: 36px;
    font-weight: 700;
}

.systems__p {
    margin-top: 30px;
    font-size: 16px;
    line-height: 1.3;
}

.systems__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 50px;
}

.systems__buttons {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    margin-left: 50px;
}

.systems__buttons > * {
    text-transform: uppercase;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid #31B44B;
    padding: 24px;
    border-radius: 5px;
    cursor: pointer;
    line-height: 1;
    transition: all 0.2s;
    letter-spacing: 0.1em;
    text-align: center;
}

.systems__buttons > *:hover, .systems__buttons > .active {
    background-color: #31B44B;
}

.systems__buttons > * + * {
    margin-left: 24px;
}

@media screen and (max-width: 999px) {

    .systems__buttons {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: space-between;
    }

    .systems__buttons > * + * {
        margin-left: 0;
        margin-top: 24px;
    }

}

@media screen and (max-width: 699px) {

    .systems__buttons {
        display: flex;
        flex-direction: row;
        align-items: stretch;
        justify-content: space-between;
        margin-left: 0;
        margin-bottom: 30px;
    }

    .systems__buttons > * + * {
        margin-top: 0;
        margin-left: 24px;
    }

    .systems__header {
        display: flex;
        flex-direction: column-reverse;
        align-items: flex-start;
        justify-content: space-between;
    }

}


/* Залез с модалками */
.columns-wrapper{
    display: flex;
}
.two-column{
    width: 50%;
}

.modal__window-full-width{
    width: 100%;
}
.modal-video_content{
    margin: 0 auto;
    max-width: 428px;
    width: 100%;
}
.text-column{
    margin-left: 60px;
}
.img-column{
    overflow: hidden;
}
/* Залез с модалками */

@media screen and (max-width: 539px) {

    .systems__title {
        font-size: 24px;
    }

    .systems__buttons {
        display: flex;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        justify-content: space-between;
    }

    .systems__buttons > * {
        font-size: 13px;
        padding: 18px;
        letter-spacing: 0;
    }

    .systems__buttons > * + * {
        margin-left: 0;
        margin-top: 24px;
    }

    .systems__header {
        margin-bottom: 30px;
    }
/* Залез с модалками */

    .text-column{
        margin-left: 0px;
        width: 100%;
    }
    .img-column{
        min-height: 400px;
        width: 100%;
        padding: 0px;
        margin-top: 20px;
    }
    .columns-wrapper{
        flex-direction: column-reverse;
    }
/* Залез с модалками */
}

/* ----- */

/* Зеленая полоска */

.green-stripe {
    width: 100%;
    height: 5px;
    background-color: #31B44B;
}

/* ----- */

.dev_design{
    text-align: center;
    font-size: 12px;
    margin-top: 20px;
    position: absolute;
    bottom: 40px;
}
@media screen and (max-width: 539px) {
    .dev_design{
        position: initial;
    }
}
@media screen and (max-width: 768px) {
    .presentation-banner__bg.section-fiting{
        width: 100%;
    }
}
.qrcode__imgs {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.qrcode__item {
    display: flex;
    align-items: center;
    gap: 1px;
}
.qrcode__row {
    display: flex;
    gap: 20px;
}
.qrcode__img {
    width: 100%;
    max-width: 120px;
}
.qrcode__href.button {
    transform: rotate(270deg);
    padding: 13px 13px;
}
.qrcode__href a{
    font-size: 10px;
}
.reviews__title {
    font-size: 24px;
    font-weight: 700;
    margin-top: 40px;
}
@media screen and (max-width: 900px) {
    .qrcode__row {
        flex-direction: column;
    }
}
@media screen and (max-width: 500px) {
    .qrcode__img:first-child{
        display: none;
    }
    .button.button_fill-white.qrcode__href {
        transform: rotate(0deg);
        margin-left: 0 !important;
        height: 40px !important;
        width: 162px !important;
    }
    .qrcode__img {
        border-radius: 5px;
    }
    .qrcode__item {
        flex-direction: column;
        align-items: baseline;
    }
}