@media screen and (max-width: 2900px) {

    body {
        max-width: 1440px;
        margin: 0 auto;
        overflow-x: hidden;
    }

    .header, .about, .activities1,
    .advantages, .performance,
    .win, .couches, .gallery, .reviews,
    .form-and-contacts, .questions,
    .footer, .brand-parent {
        width: 1440px;
    }

    .slide-content a img {
        width: 400px;
        height: 400px;
    }
}

@media screen and (max-width: 2390px) {
    body {
        margin: 0 30rem;
    }
}

@media screen and (max-width: 2220px) {
    body {
        margin: 0 295px;
    }
}


@media screen and (max-width: 2030px) {
    body {
        margin: 0 15rem;
    }
}

@media screen and (max-width: 1980px) {
    body {
        margin: 0 270px;
    }
}

@media screen and (max-width: 1890px) {
    body {
        margin: 0 225px;
    }
}

@media screen and (max-width: 1780px) {
    body {
        margin: 0 170px;
    }
}

@media screen and (max-width: 1700px) {
    body {
        margin: 0 130px;
    }
}

@media screen and (max-width: 1663px) {
    body {
        margin: 0 0px;
    }

    .slide-content a img {
        width: 300px;
        height: 300px;
    }

    .brand-parent {
        width: 1663px;
    }

    .header, .about, .activities1,
    .advantages, .performance,
    .win, .couches, .gallery, .reviews,
    .form-and-contacts, .questions,
    .footer {
        padding-left: 110px;
    }

}

@media screen and (max-width: 1663px) {

    .header, .about, .activities1,
    .advantages, .performance,
    .win, .couches, .gallery, .reviews,
    .form-and-contacts, .questions,
    .footer {
        padding-left: 0px;
    }
}

@media screen and (max-width: 1440px) {

    .brand-parent {
        width: 1440px;
    }
}

@media screen and (max-width: 570px) {
    .container {
        padding-left: 70px;
        padding-right: 80px;
    }

}

@media screen and (max-width: 530px) {
    .container {
        padding-left: 40px;
        padding-right: 40px;
    }

}


@media screen and (max-width: 450px) {

    body {
        min-width: 390px;
        margin-left: 25px;
    }

    .header, .about, .activities2,
    .advantages, .performance,
    .win, .couches, .gallery-adaptive, .reviews,
    .form-and-contacts, .questions,
    .footer {
        padding-left: 0px;
        width: 391px;
    }

    .container {
        padding-right: 20px;
        padding-left: 20px;
    }

    .header {
        width: 391px;
        background-image: none;
        height: 100%;
    }

    .main-image {
        margin-top: 50px;
        display: flex;
        width: 390px;
        height: 160px;
    }

    .header .container {
        margin-left: 0;
        width: 450px;
        padding-top: 10px;
        padding-bottom: 10px;
        position: fixed;
        gap: 160px;
        top: 0;
        z-index: 99;
        background-color: rgb(255, 255, 255);
    }

    .logo img {
        width: 185px;
        height: 50px;
    }

    .menu {
        display: none;
        position: fixed;
        z-index: 100;
        width: 80%;
        height: 100%;
        margin: 0;
        top: 0;
        right: 0;
        background-color: #D9F2FD;
        border-bottom-left-radius: 20px;
        border-top-left-radius: 80px;
    }

    .blur {
        -webkit-filter: blur(5px);
        -moz-filter: blur(5px);
        -o-filter: blur(5px);
        -ms-filter: blur(5px);
        filter: blur(5px);
    }

    .menu ul {
        display: flex;
        flex-flow: column wrap;
        align-items: center;
        justify-content: flex-start;
        margin: 0 auto;
        gap: 0px;
        padding: 0;
    }

    .menu ul li a {
        /*line-height: 0;*/
    }

    .menu ul li.desktop {
        display: none;
    }

    .menu ul li.adaptive {
        display: flex;
    }

    .menu-item {
        margin: 12px 0;
        font-size: 20px;
        font-weight: 400;
        line-height: 20px;
    }


    .menu-item img {
        display: flex;
        padding-top: 36px;
        padding-bottom: 30px;
        width: 122px;
        height: 110px;
    }


    .menu-item .tel-menu {
        display: flex;
        padding: 14px;
        border-top: 1.3px solid #16509D;
        font-family: Roboto, sans-serif;
        font-size: 20px;
        font-weight: 400;
        line-height: 30px;
        color: #5B5B5B;
    }

    .burger {
        display: block;
    }

    .burger svg {
        width: 50px;
        height: 50px;
        fill: #0a58ca;
    }

    .burger svg path {
        stroke-width: 2px;
    }

    .menu.open {
        display: flex;
        align-items: center;
    }

    .menu .close {
        display: block;
        width: 25px;
        height: 25px;
        fill: #0a58ca;
        position: absolute;
        top: 20px;
        right: 20px;
    }

    .btn-adaptive {
        display: block;
        background-color: #2D98DA;
        margin: 10px 20px 30px 20px;
        border-radius: 15px;
        width: 350px;
        height: 50px;
        text-align: center;
        padding: 14px 2px 14px 2px;
        box-sizing: border-box;
    }

    .adaptive-button {
        width: 342px;
        height: 42px;
        box-sizing: border-box;
        text-decoration: none;
        color: white;
        padding: 10px 32px 10px 32px;
        /*margin: 4px;*/
        border: 0.8px solid white;
        border-radius: 10px;
        font-family: Roboto, sans-serif;
        font-size: 18px;
        font-weight: 500;
    }


    .about .container {
        flex-flow: column;
        align-items: start;
        padding-top: 0;
        padding-bottom: 0;
    }

    .about-description {
        margin-top: 0px;
        max-width: 390px;
    }

    .about-title {
        font-size: 25px;
        line-height: 30px;
        margin-bottom: 5px;
    }

    .about-text {
        font-size: 16px;
        width: 346px;
        margin-bottom: 10px;
    }

    .about-image {
        margin-bottom: 50px;
    }

    .about-image img {
        width: 350px;
        height: 300px;
    }


    .activities1 {
        display: none;
    }

    .activities2 {
        display: block;
    }

    .activities2 .container {
        padding-bottom: 25px;
    }

    .owl-carousel.carousel-tree {
        display: block;
    }

    .activities-title {
        font-size: 25px;
        padding-bottom: 0;
        text-align: left;
    }

    .activities-items {
        display: flex;
        flex-flow: row wrap;
        justify-content: left;
        gap: 10px;
        width: 392px;
        margin-bottom: 20px;
    }

    .activities-item {
        text-align: left;
        width: 180px;
        height: 20px;
        padding-top: 0;
        padding-bottom: 0;
        padding-left: 20px;
        border: none;
        font-weight: 400;
        font-size: 14px;
    }

    .second-row {
        margin-left: 0;
    }

    .activity.active {
        width: 390px;
        background-color: #D9F2FD;
        border-radius: 27px;
        padding: 0;
        display: flex;
        flex-flow: column;
    }

    .activity {
        display: none;
        height: 100%;
    }

    .activity-adaptive-name {
        display: flex;
        font-family: Roboto, sans-serif;
        font-size: 20px;
        font-weight: 500;
        line-height: 23.44px;
        padding-top: 19px;
    }

    .adaptive-activity-image {
        padding-top: 15px;
        padding-bottom: 10px;
        display: flex;
    }

    .activity-image img {
        width: 350px;
        height: 204px;
    }

    .activity-description {
        display: flex;
        flex-flow: column;
        gap: 15px;
    }

    .activity-description-text1,
    .activity-description-text2,
    .activity-description-text3,
    .activity-description-text4,
    .activity-description-text5,
    .activity-description-text6 {
        overflow-y: scroll;
        height: 228px;
        width: 350px;
        font-size: 16px;
        line-height: 25px;
        margin-bottom: 0px;
    }

    .activity-description-text1::-webkit-scrollbar,
    .activity-description-text2::-webkit-scrollbar,
    .activity-description-text3::-webkit-scrollbar,
    .activity-description-text4::-webkit-scrollbar,
    .activity-description-text5::-webkit-scrollbar,
    .activity-description-text6::-webkit-scrollbar {
        width: 10px;
    }

    .activity-description-text1::-webkit-scrollbar-track,
    .activity-description-text2::-webkit-scrollbar-track,
    .activity-description-text3::-webkit-scrollbar-track,
    .activity-description-text4::-webkit-scrollbar-track,
    .activity-description-text5::-webkit-scrollbar-track,
    .activity-description-text6::-webkit-scrollbar-track {
        -webkit-box-shadow: 5px 5px 5px -5px rgba(34, 60, 80, 0.2) inset;
        background-color: #f9f9fd;
        border-radius: 10px;
    }

    .activity-description-text1::-webkit-scrollbar-thumb,
    .activity-description-text2::-webkit-scrollbar-thumb,
    .activity-description-text3::-webkit-scrollbar-thumb,
    .activity-description-text4::-webkit-scrollbar-thumb,
    .activity-description-text5::-webkit-scrollbar-thumb,
    .activity-description-text6::-webkit-scrollbar-thumb {
        border-radius: 10px;
        background: linear-gradient(180deg, #00c6fb, #005bea);
    }

    .performance-text-container {
        font-size: 16px;
        line-height: 25px;
        margin-bottom: 0px;
        width: 350px;
        height: 228px;
        overflow: hidden;
    }

    .hidden2 {
        position: relative;
        top: -15px;
        float: right;
    }

    .button-sign {
        width: 350px;
        height: 50px;
        padding: 13px;
        border-radius: 15px;
        font-size: 20px;
        margin-bottom: 23px;
    }

    .activity-description-text-open1,
    .activity-description-text-open2,
    .activity-description-text-open3,
    .activity-description-text-open4,
    .activity-description-text-open5,
    .activity-description-text-open6,
    .performance-text-container-open {
        height: auto;
    }

    .show-all-container21,
    .show-all-container22,
    .show-all-container23,
    .show-all-container24,
    .show-all-container25,
    .show-all-container26,
    .show-all-container31 {
        display: block;
    }

    .carousel-tree.owl-theme .owl-dots {
        width: 390px;
    }

    .carousel-tree.owl-theme .owl-nav.disabled + .owl-dots {
        margin-top: 45px;
        text-align: center;
    }

    .carousel-tree.owl-carousel .owl-item img {
        width: 350px;
    }


    .advantages .container {

    }

    .advantages-title {
        padding-top: 0px;
        font-size: 25px;
        padding-bottom: 30px;
        text-align: left;
    }


    .advantages-content-desktop {
        display: none;
    }

    .advantages-content-adaptive {
        justify-items: center;
        display: grid;
        grid-template-rows: 1fr 1fr 1fr 1fr;
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .item-description {
        font-size: 16px;
    }

    .item {
        width: 165px;
        display: flex;
        flex-flow: column;
        text-align: center;
    }

    .item-margin {
        margin-bottom: 0px;
    }


    .performance .container {
        margin-bottom: 40px;
    }

    .performance-title {
        margin-top: 20px;
        font-size: 25px;
    }

    .performance-description-adaptive {
        display: block;
        font-family: Roboto, sans-serif;
        font-size: 16px;
        font-weight: 400;
        line-height: 24px;
        text-align: left;
    }

    .performance-text-container {
        height: 440px;
        overflow: hidden;
    }

    .show-all31 {
        margin-top: 15px;
    }

    .performance-text-container-open {
        height: auto;
    }

    .performance-description-desktop {
        display: none;
    }

    .slide-content a img {
        width: 200px;
        height: 200px;
    }


    .win .container {

    }

    .win-title {
        padding: 40px 0 20px 0;
        font-size: 25px;
        text-align: left;
    }

    .win-content {
        display: block;
    }

    .win-content-photo1,
    .win-content-photo2 {
        display: none;
    }

    img.win-img-adaptive {
        display: block;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        position: relative;
        right: -240px;
        top: -210px;
        margin: 0 0 -210px 0;
    }

    .items-description {
        max-width: 350px;
        font-family: Roboto, sans-serif;
        font-size: 16px;
    }

    /*.win-text-item:nth-child(4) {*/
    /*    max-width: 255px;*/
    /*}*/
    /*.win-text-item:last-child {*/
    /*    max-width: 270px;*/
    /*}*/
    .win-text-item img {
        width: 40px;
        height: 60px;
    }


    .couches .container {

    }

    .couches-title {
        padding: 40px 0 20px 0;
        font-size: 25px;
        text-align: left;
    }

    .couches-item {
        display: flex;
        flex-flow: column wrap;
    }

    .couches-item img {
        /* width: 350px; */
        /* height: 303px; */
        height: 100%;
        margin-bottom: 10px;
    }

    .couches-item-title {
        font-size: 18px;
        line-height: 27px;
    }

    .couches-item-text {
        font-size: 16px;
        line-height: 24px;
        margin-bottom: 8px;
    }

    .couches-item-description {
        font-size: 15px;
        line-height: 22px;
        height: 105px;
    }

    .carousel-actions {
        display: flex;
        gap: 15px;
        justify-content: end;
    }

    .carousel-one.owl-carousel .owl-item img {
        width: 350px;
        height: 350px;
    }

    .owl-theme .owl-dots {
        text-align: left;
        position: relative;
        top: -40px;
        width: 200px;
    }

    .owl-theme .owl-nav.disabled + .owl-dots {
        margin-top: 0;
    }

    .owl-theme .owl-nav {
        text-align: right;
        margin-top: 0;

    }

    .owl-theme .owl-nav .disabled {
        opacity: 0.3;
    }

    .owl-theme .owl-nav [class*='owl-']:hover {
        background: transparent;
    }

    .owl-prev img {
        margin-right: 15px;
    }

    .owl-prev img, .owl-next img {
        width: 48px;
        height: 48px;
    }

    .carousel-actions a {
        background-color: transparent;
        border: transparent;
        cursor: pointer;
    }

    .gallery {
        display: none;
    }

    .gallery-adaptive {
        display: block;
    }

    .gallery-content-adaptive {
        display: flex;
        flex-flow: column;
    }

    .gallery-title {
        padding: 35px 0 20px 0;
        font-size: 25px;
        text-align: center;
    }

    .c1 {
        display: flex;
        flex-flow: row;
        gap: 8px;
        margin-bottom: 6px;
    }

    .c1 img {
        width: 171px;
    }

    .c2 img {
        width: 350px;
        height: 162px;
        margin-bottom: 6px;
    }

    .c5 {
        display: flex;
        gap: 8px;
    }

    .c3 {
        display: flex;
        flex-flow: column wrap;
        gap: 6px;
    }

    .c3 img:first-child {
        width: 171px;
        height: 217px;
    }

    .c3 img:last-child {
        width: 171px;
        height: 129px;
    }

    .c4 {
        display: flex;
        flex-flow: column wrap;
        gap: 6px;
    }

    .c4 img:first-child {
        width: 173px;
        height: 173px;
    }

    .c4 img:last-child {
        width: 173px;
        height: 173px;
    }

    .reviews {
        height: 740px;
    }

    .reviews-title {
        padding: 60px 0 20px 0;
        font-size: 25px;
        text-align: center;
    }

    .reviews-carousel {
        display: none;
    }

    .carousel-four .owl-stage,
    .carousel-four .owl-dots {
        display: block;
    }

    .reviews-adaptive {
        display: flex;
        flex-flow: column;
    }

    .review-adaptive-item {
        width: 270px;
        height: 430px;
        padding: 27px 11px 39px;
        background-color: #D9F1FD;
        box-sizing: border-box;
    }

    .reviews-adaptive img {
        width: 354px;
        height: 259px;
    }

    .reviews-adaptive-carousel {
        display: block;
        position: relative;
        top: -120px;
    }

    .review-item-text-adaptive {
        width: 240px;
        height: 335px;
        overflow-y: scroll;
        font-family: Roboto, sans-serif;
        font-size: 13px;
        font-weight: 400;
        line-height: 22.4px;
        text-align: left;
    }

    .review-item-text-adaptive::-webkit-scrollbar {
        width: 10px;
    }

    .review-item-text-adaptive::-webkit-scrollbar-track {
        -webkit-box-shadow: 5px 5px 5px -5px rgba(34, 60, 80, 0.2) inset;
        background-color: #f9f9fd;
        border-radius: 10px;
    }

    .review-item-text-adaptive::-webkit-scrollbar-thumb {
        border-radius: 10px;
        background: linear-gradient(180deg, #00c6fb, #005bea);
    }

    .carousel-four.owl-theme .owl-nav.disabled + .owl-dots {
        margin-top: 50px;
        width: 390px;
        text-align: center;
    }


    .form-and-contacts {

    }

    .form-and-contacts .container {

    }

    .form-and-contacts-title {
        padding: 20px 0 20px 0;
        font-size: 25px;
    }

    .contacts {
        display: none;
    }

    .form {
        gap: 10px;
    }

    .input1, .input2, .input3 {
        gap: 8px;
    }

    .input1 input,
    .input2 input,
    .input3 input {
        width: 350px;
        height: 35px;
        border-width: 1px;
    }

    .form-check {
        display: flex;
        flex-flow: column nowrap;
        gap: 10px;
    }

    .form-check-blocks {
        padding-left: 15px;
        display: flex;
        flex-flow: column;
        gap: 10px;
    }

    .col-input1,
    .col-input2 {
        gap: 10px;
    }

    .form-comments {
        gap: 8px;
    }

    .form-comments textarea {
        width: 350px;
        height: 180px;
        border: 1px solid black;
    }

    .personal-data {
        display: flex;
        flex-flow: row nowrap;
        gap: 12px;
        width: 340px;
        font-size: 14px;
        line-height: 21px;
    }

    .button-form {
        width: 350px;
        height: 50px;
        border-radius: 15px;
    }

    #success {
        width: 340px;
        height: 40px;
    }


    .questions .container {

    }

    .questions-title {
        padding: 47px 0 29px 0;
        font-size: 25px;
        text-align: left;
    }

    .questions-blocks {
        display: flex;
        flex-flow: column;
        justify-content: space-between;
        gap: 0;
    }

    .questions-block1,
    .questions-block2 {
        gap: 14px;
        width: 330px;
    }

    .questions-block2 .question-item:first-child {
        border-top: none;
    }

    .question-item:first-child {
        padding-top: 22px;
        border-top: 1px solid black;
    }

    .question-item-title1,
    .question-item-title2,
    .question-item-title3,
    .question-item-title4,
    .question-item-title5,
    .question-item-title6,
    .question-item-title7,
    .question-item-title8 {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-bottom: 22px;
        border-bottom: 1px solid black;
        cursor: pointer;
    }

    .question-item-title4 {
        height: 54px;
    }

    .question-item-title1 span,
    .question-item-title2 span,
    .question-item-title3 span,
    .question-item-title4 span,
    .question-item-title5 span,
    .question-item-title6 span,
    .question-item-title7 span,
    .question-item-title8 span {
        font-size: 16px;
        line-height: 24px;
        width: 306px;
    }

    .question-item-text1,
    .question-item-text2,
    .question-item-text3,
    .question-item-text4,
    .question-item-text5,
    .question-item-text6,
    .question-item-text7,
    .question-item-text8 {
        font-size: 14px;
        font-weight: 400;
        line-height: 21px;
    }

    .question-item-text1 span,
    .question-item-text2 span,
    .question-item-text3 span,
    .question-item-text4 span,
    .question-item-text5 span,
    .question-item-text6 span,
    .question-item-text7 span,
    .question-item-text8 span {
        font-size: 16px;
        font-weight: 700;
        line-height: 24px;
        text-align: left;
    }


    .footer {
        background-color: #E5F6FF;
    }

    .footer .container {
        flex-flow: column;
        padding: 0 20px 40px 20px;
        margin: 40px 0 27px 0;
    }

    .footer-content {
        display: flex;
        flex-flow: column;
        justify-content: space-between;
        align-items: start;
        padding: 17px 0 25px;
        border-top: none;
        gap: 20px;
    }

    .footer-content-contacts {
        display: flex;
        flex-flow: column;
        gap: 10px;
        order: 1;
    }

    .footer-item-text a.inst {
        display: flex;
        align-items: center;
        text-decoration: none;
        gap: 23px;
    }

    .footer-content-logo {
        order: 3;
    }

    .footer-content-logo img {
        width: 122px;
        height: 110px;
        padding-right: 0px;
        padding-left: 110px;
    }

    .footer-content-menu {
        text-align: left;
        display: flex;
        flex-flow: column;
        gap: 5px;
        order: 2;
    }

    .footer-content-menu a {
        text-decoration: black;
        font-size: 16px;
        font-weight: 400;
        line-height: 24px;
    }

    .footer-activities2-adaptive {
        display: block;
    }

    .footer-activities-desktop {
        display: none;
    }

    .footer-gallery-adaptive {
        display: block;
    }

    .footer-gallery-desktop {
        display: none;
    }

    .footer-rights {
        width: 290px;
        text-align: center;
        padding-left: 30px;
        font-size: 12px;
    }

    .brand-parent {
        width: 450px;
        margin-left: -40px;
    }
}

@media screen and (max-width: 430px) {
    body {
        margin-left: 20px;
    }
}