/*
=============== 
Variables
===============
*/

:root {
    --clr-black: #454545;
    --clr-black2: #555655;
    --clr-red-1: #A70A0A;
    --clr-red-2: #FF725E;
    --clr-grey-1: #f8f8f8;
    --clr-grey-2: #dbdbdb;

}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Lora', serif;
    color: var(--clr-black);
    font-size: 20px;
    letter-spacing: 1.3px;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
    height: 100vh;
    overflow-x: hidden;
}

header,
.container {
    max-width: 1460px;
    margin: 0 auto;
    padding: 0 20px;
}


section {
    margin-bottom: 100px;
}

section.main {
    margin-bottom: 50px;
}

.section_grey {
    padding: 90px 0;
    background: var(--clr-grey-1);
}

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

.flex-s-c {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}

.flex-c-c {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.flex-e-c {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
}

.flex-b-s {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
}

.flex-b-c {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 60px;
    letter-spacing: 7px;
    font-weight: 500;
}

h2 {
    font-size: 36px;
    font-weight: 500;
    letter-spacing: 4px;
}

h3 {
    font-weight: 500;
    letter-spacing: 2.5px;
    font-size: 36px;

}

h4 {
    font-weight: 500;
    font-size: 24px;
}

a {
    text-decoration: none;
    color: var(--clr-black);
    letter-spacing: 2px;
    font-size: 18px;
}

span {
    opacity: 0.7;
}

span.red {
    color: var(--clr-red-1);
    font-weight: 500;
}

.span_style_light {
    color: var(--clr-black);
    font-size: 16px;
}

.advantages-predproj h3 {
    font-size: 32px;
}



.red-line {
    width: 150px;
    height: 3px;
    background: var(--clr-red-1);
    margin: 15px 0 30px 0;
}

.red-line-right {
    width: 50px;
    height: 2px;
    background: var(--clr-red-2);
    margin: 15px 0 20px auto;
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

.footer-mobile,
.footer-red-line-hidden,
.svyaz {
    display: none;
}

/*HEADER*/
header {
    position: relative;
    padding: 10px 0px;
    border-bottom: 1px solid var(--clr-grey-2);
}

.header_logo {
    position: absolute;
    top: 5px;
    left: 0px;
    background: #fff;
    padding-left: 20px;
}


.header_logo img {
    width: 120px;
    height: 120px;
    margin-right: 15px;
}

.logo-title {
    letter-spacing: 2px;
    line-height: 150%;
}

.header_menu {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    margin-left: 30px;
    cursor: pointer;
    padding: 16px 0;
    width: 90px;
}

.header_menu_line {
    width: 80px;
    height: 2px;
    background: var(--clr-black);
    transition-property: margin-right;
    transition-duration: .2s;
}

.header_menu_line_two {
    width: 80px;
    height: 1.5px;
    background: var(--clr-black);
    margin: 12px 25px 12px 0;
    transition-property: margin-right;
    transition-duration: .2s;
}

.header_menu:hover .header_menu_line_two {
    margin-right: 0;

}

.header_menu:hover .header_menu_line {
    margin-right: 30px;
}

.header_contacts {
    text-align: right;
    padding: 0 30px;
}

.header_contacts a {
    color: var(--clr-red-1);
    font-size: 22px;
    font-weight: 500;
}

.header_schedule {
    text-align: right;
    padding: 0 30px;
    border-right: 1px solid var(--clr-grey-2);
}

.header_contacts p,
.header_schedule p:first-child {
    margin-bottom: 5px;
}

.mobile-menu-wrap {
    width: 30%;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    box-shadow: 0 0 30px 3px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 0 30px 3px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 0 30px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    overflow-y: scroll;
    display: none;
    animation: menu-up 0.8s;
}

@keyframes menu-up {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@-moz-keyframes menu-up {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@-webkit-keyframes menu-up {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.mobile-menu-wrap a {
    letter-spacing: 1.5px;
}

.mobile-menu-wrap-top {
    border-bottom: 1px solid var(--clr-grey-2);
    padding: 5px 30px;
    font-size: 14px;
}

.mobile-menu-wrap-top img {
    width: 70px;
    margin-right: 10px;
}

.close {
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition-property: transform;
    transition-duration: .2s;
}

.close-line-1 {
    width: 100%;
    height: 2px;
    background: var(--clr-black2);
    transform: rotate(45deg);
}

.close-line-2 {
    width: 100%;
    height: 2px;
    background: var(--clr-black2);
    transform: rotate(-45deg);
    margin-top: -2px;
}

.close:hover .close-line-1,
.close:hover .close-line-2 {
    background: var(--clr-red-1);
}

.close:hover {
    transform: rotate(180deg);
}

.mobile-menu-wrap-bottom {
    padding: 40px 30px;
}

.mobile-menu-red-line {
    width: 50px;
    height: 2px;
    background: var(--clr-red-1);
    margin: 10px 0 20px 0;
}

h5 {
    font-weight: 500;
    letter-spacing: 2px;
    font-size: 20px;
}

.mobile-menu-wrap-bottom ul {
    margin-left: 30px;
    margin-bottom: 40px;
}

.mobile-menu-wrap-bottom li {
    list-style: square;
    color: var(--clr-red-1);
    margin: 12px 0;
}

.mobile-menu-wrap-bottom li a {
    font-size: 20px;
}

.mobile-menu-wrap-bottom li p {
    color: var(--clr-black);
}

.mobile-menu-wrap-bottom li a:hover {
    color: var(--clr-red-1);
}

.mobile-menu-wrap-bottom span.red {
    font-size: 22px;
    font-weight: 500;
}


/*MAIN BLOCK*/
.main_block_img {
    width: 50%;
}

.main_block_img img {
    width: 100%;
}

.big-title {
    font-weight: normal;
    font-size: 70px;
    letter-spacing: 10px;
    margin-top: 100px;
    margin-left: 50px;
    line-height: 150%;
}

.main_block_description_dop_l {
    float: left;
    width: 33%;
    padding-top: 20px;
    padding-left: 50px;
}

.main_block_description_dop_l img {
    width: 100%;
}

.main_block_description_dop_r {
    width: 67%;
    float: right;
    margin-top: -80px;
}

.vr-line {
    width: 5px;
    height: 260px;
    background: var(--clr-red-1);
    margin: 0 50px;
}

.main_block_description_dop_r_info {
    padding-top: 10px;
}

.main_block_description_dop_r_info span {
    font-size: 24px;
}

.main_block_description_dop_r h1,
.title-dop {
    font-size: 42px;
    margin: 10px 0;
    font-weight: 400;
    letter-spacing: 7px;
}

.main_block_subtitle {
    font-size: 26px;
    margin-left: 50px;
    margin-top: 20px;
    letter-spacing: 2px;
}

.main_block_description_dop::after {
    content: "";
    display: block;
    clear: both;
}

/*SERVICES*/

.services {
    position: relative;
    padding: 0 200px;
}

.services_part_l {
    width: 50%;
    float: left;
    padding-top: 150px;
}

.services_part_r {
    width: 50%;
    float: right;
    padding-left: 100px;
}

.services h2 {
    margin-bottom: 130px;
    font-size: 60px;
}

.bg {
    position: absolute;
    top: -100px;
    left: 0;
    width: 800px;
    height: 500px;
    background: url(../images/4-4.jpg);
    background-position: top left;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.1;
    z-index: -1;
}

.link-i {
    margin-top: 5px;
    width: 30px;
    height: 30px;
    background: url(../images/expand-arrows.png) #f5f5f5;
    background-size: 50%;
    background-position: center;
    background-repeat: no-repeat;
    margin-left: 30px;
    border-radius: 5px;
}

.service-link {
    margin-bottom: 60px;
}

.service-link img {
    width: 65px;
    margin-right: 20px;
}

.service_line {
    width: 100px;
    height: 3px;
    background: #dbdbdb;
    margin: 15px 0;
}

.service-link a {
    font-size: 22px;
    font-weight: 500;
}

.services a:hover {
    color: var(--clr-red-2);
}

.services a:hover span.red {
    color: var(--clr-red-2);
}

.service-link p {
    font-size: 22px;
}

.services_part_image {
    width: 420px;
}

.services_part_l_2 {
    padding-top: 0;
}

.services_part_l_2 .service-link {
    margin-bottom: 0px;
}

.services_part_image_2 {
    width: 70%;
    opacity: 0.5;
}

.services_part_r-2 .service-link:last-child {
    margin-bottom: 0;
}

.services_part::after {
    content: "";
    display: block;
    clear: both;
}

/*PROJECTS*/
.projects-wrap {
    width: 85%;
    margin: 0 auto;
}

.projects-wrap img {
    border-radius: 10px;
}

.projects-wrap h2 {
    text-align: center;
}

.project-1,
.project-2,
.projects-all {
    margin-top: 50px;
}

.project-1-l {
    width: 59%;
    float: left;
}

.project-1-r {
    width: 39.5%;
    float: right;
}

.project-1-l img {
    width: 100%;
}

.project-1-l .flex-b-s img {
    width: 49%;
}

.project-1-l .flex-b-s {
    margin-bottom: 20px;
}

.project-1-r img {
    width: 100%;
}

.proj-line {
    width: 50px;
    height: 2px;
    background: var(--clr-red-1);
}

.projects-title {
    font-size: 26px;
    font-weight: 500;
}

.project-1-r .flex-s-c,
.project-2-l .flex-s-c,
.project-3-r .flex-s-c {
    margin: 15px 0;
}


.project-1::after {
    content: "";
    display: block;
    clear: both;
}

.project-2-l {
    width: 49.5%;
    float: left;
}

.project-2-l img {
    width: 100%;
}

.proj-descr {
    padding-left: 20px;
}

.project-2-l .flex-s-c img {
    width: 50%;
    display: block;
}

.project-2-r {
    width: 49.5%;
    float: right;
}

.project-2-r img {
    width: 100%;
}

.project-2-description {
    width: 50%;
}

.project-2-bottom {
    margin-top: 20px;
}


.project-2-top::after {
    content: "";
    display: block;
    clear: both;
}

.project-2-bottom::after {
    content: "";
    display: block;
    clear: both;
}

.project-3 {
    margin-top: 50px;
}

.project-3-l {
    width: 49.5%;
    float: left;
}

.project-3-l img {
    width: 100%;
}

.project-3-r {
    width: 49.5%;
    float: right;
}

.project-3-r img {
    width: 40%;
    margin-right: 20px;
}

.project-3-r-description {
    width: 60%;
}


.project-3::after {
    content: "";
    display: block;
    clear: both;
}

.proj-line {
    margin-right: 10px;
}

.projects-all {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 20px;
    border-radius: 10px;
}

.projects-all img {
    width: 100%;
    border-radius: 10px;
}

.projects-all p {
    font-size: 16px;
}

.proj-all-descr {
    margin-top: 15px;
    padding: 0 15px;
}

.proj-all-descr .flex-s-c {
    margin-bottom: 10px;
}

.project {
    position: relative;
    box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 5%);
    -webkit-box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 5%);
    -moz-box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 5%);
    padding-bottom: 30px;
    border-radius: 10px;
}

.proj-descr .flex-s-c {
    margin-bottom: 10px;
}

.swiper-button-next,
.swiper-button-prev {
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    top: 45% !important;
    position: absolute !important;
    opacity: 0.3;
}

.swiper-button-prev {
    left: 5px !important;
}

.swiper-button-next {
    right: 5px !important;
}

.swiper-button-next img,
.swiper-button-prev img {
    width: 20px;
}

.proj-all-descr .projects-title {
    font-size: 20px;
}


/*OBJECTS*/

.objects-wrap h2 {
    text-align: center;
}

.objects {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(4, 17%);
    gap: 25px;
    justify-content: center;
}

.object {
    padding-bottom: 15px;
    border: 1px dashed var(--clr-red-1);
    text-align: center;
}

.object img {
    width: 80%;
}

/*ADVANTAGES*/
.advantages-l {
    width: 40%;
}

.advantages-r {
    width: 40%;
    margin-left: 6%;
}

.advantages-l h3 {
    padding-left: 50px;
}

.text-bg {
    width: 100%;
    height: 400px;
    background: url(../images/circle-2.png);
    background-position: left center;
    background-repeat: no-repeat;
    background-size: 100%;
    margin-top: 30px;
}

.advantages-r img {
    width: 60px;
    margin-right: 15px;
}

.advantage {
    margin-bottom: 40px;
}

.advantage:last-child {
    margin-bottom: 0;
}

.advantage h4 {
    margin: 15px 0;
}

/*LID*/
.lid {
    width: 90%;
    margin: 100px auto;
    padding: 0px 0 0px 70px;
    border: 1px solid var(--clr-black2);
    border-radius: 20px;
    box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 3%);
    -webkit-box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 3%);
    -moz-box-shadow: 0px 3px 60px 3px rgb(0 0 0 / 3%);
}

.lid img {
    width: 30%;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
}

.lid p {
    font-size: 24px;
}

.lid_contacts {
    margin-top: 30px;
}

.lid_contacts a {
    color: var(--clr-red-1);
    font-size: 24px;
    margin-left: 20px;
}

/*FAQ*/
.faq h2 {
    text-align: center;
    margin-bottom: 50px;
}

.accordion {
    width: 90%;
    margin: 0 auto;
}

.accordion-item {
    background-color: var(--clr-grey-1);
    margin-bottom: 15px;
    border-radius: 10px;
}

.accordion-item-header {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
}

.accordion-item-header::after {
    content: "\002B";
    font-size: 40px;
    position: absolute;
    right: 30px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-grey-2);
    color: #fff;
}

.accordion-item-header:hover {
    background: #f1f1f1;
    border-radius: 10px;
}

.accordion-item-header.active::after {
    content: "\2212";
    color: #fff;
}

.accordion-item-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.accordion-item-body-content {
    padding: 30px 40px;
    line-height: 1.5rem;
    background: #fdfdfd;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.accordion-item-body-content p {
    font-size: 18px;
    opacity: 0.8;
}

.accordion-item-body-content li {
    margin-bottom: 20px;
}

.accordion-item-body-content ul {
    margin-bottom: 30px;
}

/*MAIN BLOCK-SUBBLOCK*/
.main_block_subblock {
    width: 100%;
    height: 650px;
    background: url(../images/background-7.png);
    background-position: center;
    background-size: 100%;
    background-repeat: no-repeat;
}

.main_block_subblock_l {
    width: 50%;
    float: left;
    padding-top: 160px;
    padding-left: 70px;
}

span.small {
    display: block;
    opacity: 1;
    font-size: 40px;
    letter-spacing: 5px;
    margin-top: 40px;
    margin-left: 190px;
}

.main_block_subblock_r {
    width: 50%;
    float: right;
    text-align: center;
    padding-top: 90px;
}

.main_block_subblock_r img {
    width: 80%;
}

.main_block_subblock_l p {
    font-size: 25px;
    margin-left: 190px;
    margin-top: 100px;
}

.main_block_subblock::after {
    content: "";
    display: block;
    clear: both;
}

/*PROEKTIROVANIE SERVICE*/
.proektirovanie_service_wrap {
    width: 100%;
    margin-top: 70px;
}

.proektirovanie_service_wrap h3 {
    text-align: right;
    padding-right: 20px;
    margin-bottom: 15px;
}

.proektirovanie_service {
    padding: 100px 150px;
    background: var(--clr-black2);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 20px 30px;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 50px 3px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 0 50px 3px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 0 50px 3px rgba(0, 0, 0, 0.1);
}

.proektirovanie_service_item {
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    -webkit-box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    border-radius: 7px;
    padding: 15px 20px;
    color: var(--clr-grey-2);
}

.proektirovanie_service_item img {
    width: 30px;
    margin-right: 15px;
}

.lid_substr {
    padding-right: 70px;
}

.advantages_substr h3 {
    font-size: 45px;
    margin-bottom: 30px;
}

.advantages_substr {
    width: 90%;
    margin: 0 auto;
}

.advantages_substr .advantages-l p {
    padding-left: 70px;
    font-size: 24px;
    margin-bottom: 50px;
}

.advantages_substr .advantages-r {
    padding-left: 50px;
    font-size: 22px;
}

.advantages_substr span.bold {
    font-weight: 600;
    color: var(--clr-black);
    opacity: 1;
}

.bold-red {
    font-weight: 600;
    color: var(--clr-red-1);
    opacity: 1;
}

.advantages_substr .advantages-l img {
    opacity: 0.7;
    border-radius: 20px;
    width: 80%;
    margin-left: 10%;
}

.tips {
    width: 100%;
    padding: 100px;
    padding-left: 150px;
    background: url(../images/tips-bg.png) var(--clr-black2);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 20px;
    margin-top: 70px;
}

.tips_top {
    width: 50%;
    color: var(--clr-grey-2);
}

.tips_top p {
    font-size: 24px;
}

.tips_todo {
    margin-top: 50px;
    padding: 0 130px;
}

.tips_todo h3 {
    margin-bottom: 50px;
    font-size: 40px;
}

.tips_todo_l {
    width: 50%;
    float: left;
}

.tips_todo_r {
    box-shadow: 0 0 20px 3px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 0 20px 3px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 0 20px 3px rgba(0, 0, 0, 0.1);
    width: 35%;
    border-radius: 20px;
    margin-left: 10%;
    float: right;
    margin-top: -230px;
    background: #f8f8f8;
    padding: 40px 50px;
}

.tips_todo .red-line {
    width: 70px;
    margin: 10px 0 20px 0;
}

.tips_todo_r_block {
    margin-top: 30px;
}

.tips_todo_r img {
    width: 100%;
    border-radius: 10px;
}

.tips_todo::after {
    content: "";
    display: block;
    clear: both;
}

/*INFO BLOCK*/
.info-block {
    width: 85%;
    margin: 0px auto;
}

.info-block-l,
.info-block-r {
    width: 45%;
}

.info-block p {
    margin-bottom: 30px;
}

.info-block p:last-child {
    margin-bottom: 0;
}

.info-block img {
    width: 47%;
}

.advantages-predproj .advantages-l img {
    opacity: 1;
}

.info-block-r ul li {
    list-style: square;
    color: var(--clr-red-1);
    margin: 12px 0;
}

/*
.info-block-r ul li:last-child {
    margin-bottom: 0;
}
*/

.info-block-r ul li p {
    color: var(--clr-black);
}

.advantages-predproj .advantages-l p {
    font-weight: 500;
    padding-left: 0;
}

.advantages-predproj h4 {
    font-size: 30px;
}

.info-block h2 {
    letter-spacing: 3px;
}

.p-semibold {
    font-weight: 500;
}

/*BLOCK-CONTACTS*/
.section-contacts {
    margin-bottom: 50px;
}

.contacts-wrap {
    width: 80%;
    margin: 0 auto;
}

.contacts-wrap-l,
.contacts-wrap-r {
    width: 50%;
    padding-top: 50px;
}


.contacts-wrap-r img {
    width: 90%;
    display: block;
    margin: 0 auto;
}


span.semibold {
    font-weight: 500;
    color: var(--clr-black);
    opacity: 1;
}

.contacts-wrap ul {
    margin-left: 30px;
}

.contacts-wrap li {
    list-style: square;
    color: var(--clr-red-1);
    margin-bottom: 15px;
}

.contacts-wrap li p,
.contacts-wrap li a {
    color: var(--clr-black);
    font-size: 20px;
    letter-spacing: 1.5px;
}

/*SVYAZ*/
.svyaz {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    border-top-right-radius: 5px;
    border-top-left-radius: 5px;
    box-shadow: 0px -5px 10px 0px rgb(0 0 0 / 15%);
    -webkit-box-shadow: 0px -5px 10px 0px rgb(0 0 0 / 15%);
    -moz-box-shadow: 0px -5px 10px 0px rgb(0 0 0 / 15%);
    background: #fff;
    z-index: 100;
    padding: 5px 0;
}

.svyaz a {
    font-size: 18px;
}

.svyaz-block {
    width: 50%;
    opacity: 0.8;
}

.svyaz-block img {
    width: 30px;
    margin-right: 5px;
}


.bottom-menu {
    width: 50px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border-radius: 15%;
    background: var(--clr-black2);
    opacity: 0.9;
}

.bottom-menu-line2 {
    width: 60%;
    height: 2px;
    background: var(--clr-grey-1);
    margin: 5px 0;
}

.bottom-menu-line {
    width: 60%;
    height: 2px;
    background: var(--clr-grey-1);
    margin: 5px 0;
}

/*FOOTER*/
footer {
    background: var(--clr-black);
    color: var(--clr-grey-2);
}

.footer-wrap {
    padding: 50px 30px 20px 30px;
    display: grid;
    grid-template-columns: 40% 30% 30%;
}

.footer-wrap p,
.footer-wrap a {
    color: var(--clr-grey-2);
    font-size: 17px;
}

.footer_block img {
    width: 80px;
    margin-right: 15px;
}

.footer-red-line {
    width: 50px;
    height: 2px;
    background: var(--clr-red-2);
    margin: 15px 0 20px 0;
}

footer h4 {
    font-size: 18px;
}

footer li {
    margin: 9px 0;
}

.footer_block_contacts {
    text-align: right;
}

a.footer_tel {
    font-size: 22px;
    color: var(--clr-red-2);
}

.footer_block_contacts_raw {
    margin-bottom: 25px;
}

.footer_nav {
    margin-top: 30px;
}

.footer_block_dop ul li {
    display: inline-block;
    margin-right: 15px;
}

footer a:hover {
    color: var(--clr-red-2);
}

.copyright {
    padding: 20px;
    font-size: 15px;
    color: var(--clr-grey-2);
    opacity: 0.5;
    text-align: center;
}

.lid-predproekt {
    padding: 10px 50px;
}


@media screen and (max-width: 1439px) {

    header,
    .container {
        max-width: 1400px;
    }

    h1 {
        font-size: 55px;
        letter-spacing: 6px;
    }

    h2 {
        font-size: 34px;
        letter-spacing: 3px;
    }

    h3 {
        letter-spacing: 2px;
        font-size: 32px;

    }

    h4 {
        font-size: 22px;
    }

    p,
    a {
        font-size: 19px;
    }

    .footer-wrap p,
    .footer-wrap a {
        font-size: 17px;
        letter-spacing: 1.5px;
    }

    .copyright p {
        font-size: 15px;
        letter-spacing: 1.2px;
    }

    .big-title {
        font-size: 65px;
        letter-spacing: 8px;
        line-height: 140%;
    }

    .services h2 {
        font-size: 55px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 40px;
        letter-spacing: 6px;
    }

    .service-link p {
        font-size: 20px;
    }

    section {
        margin-bottom: 80px;
    }


    .header_logo img {
        width: 110px;
        height: 110px;
    }

    .main_block_img {
        width: 47%;
    }

    .main_block_description_dop_r {
        margin-top: -70px;
    }

    .main_block_description_dop_l {
        width: 31%;
    }

    .vr-line {
        height: 250px;
    }

    .bg {
        width: 700px;
        height: 450px;
    }

    .services {
        padding: 0 180px;
    }

    .services_part_l {
        padding-top: 120px;
    }

    .services_part_l_2 {
        padding-top: 0;
    }

    .services_part_image {
        width: 370px;
    }

    .service-link img {
        width: 60px;
    }

    .service_line {
        margin: 12px 0;
    }

    .mobile-menu-wrap {
        width: 35%;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }


    span.small {
        margin-left: 170px;
    }

    .main_block_subblock_l p {
        margin-left: 170px;
    }

    .main_block_subblock {
        height: 635px;
    }
	.main_block_subblock_l p.dop-new {
		    margin-top: 70px;
	}

}

@media screen and (max-width: 1399px) {

    header,
    .container {
        max-width: 1350px;
    }

    .main_block_img {
        width: 50%;
    }

    .services {
        padding: 0 170px;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }

    .info-block {
        width: 90%;
    }

    .main_block_subblock {
        height: 625px;
    }

    .lid-predproekt {
        padding: 20px 50px;
    }
	.main_block_subblock_l p.dop-new {
		    margin-top: 20px;
	}

}

@media screen and (max-width: 1349px) {

    header,
    .container {
        max-width: 1300px;
    }

    .header_menu {
        padding: 17px 0;
    }

    header {
        padding: 7px 0;
    }

    .header_menu_line {
        height: 1.5px;
    }

    .main_block_img {
        width: 52%;
    }

    h1 {
        font-size: 50px;
    }

    h2 {
        font-size: 32px;
    }

    h3 {
        font-size: 30px;

    }

    h4 {
        font-size: 20px;
    }

    p,
    a {
        font-size: 18px;
    }


    .footer-wrap p,
    .footer-wrap a {
        font-size: 17px;
        letter-spacing: 1.5px;
    }

    .copyright p {
        font-size: 15px;
        letter-spacing: 1.5px;
    }

    .big-title {
        font-size: 60px;
        letter-spacing: 7px;
        line-height: 140%;
    }

    .services {
        padding: 0 145px;
    }

    .services h2 {
        font-size: 50px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 36px;
    }

    section {
        margin-bottom: 70px;
    }

    .lid {
        margin: 90px auto;
    }

    .header_logo img {
        width: 100px;
        height: 100px;
    }

    .services_part_image {
        width: 370px;
    }

    .service-link {
        margin-bottom: 45px;
    }

    .services_part_r-2 .service-link:last-child {
        margin-bottom: 0;
    }

    .main_block_description_dop_r {
        margin-top: -60px;
    }

    .vr-line {
        height: 240px;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }

    .services_part_r {
        padding-left: 80px;
    }

    .main_block_subblock {
        height: 610px;
    }

    .tips {
        padding: 90px;
        padding-left: 130px;
    }

    .tips_todo {
        padding: 0 130px;
    }

    .tips_todo h3 {
        margin-bottom: 30px;
    }

    .tips_todo_l {
        width: 60%;
    }

    .tips_todo_r {
        width: 30%;
        padding: 30px;
    }

    .tips_top {
        width: 60%;
    }

    .accordion-item-header::after {
        width: 35px;
        height: 35px;
        right: 25px;
    }

    .proektirovanie_service {
        padding: 70px 100px;
    }

}

@media screen and (max-width: 1299px) {

    header,
    .container {
        max-width: 1250px;
    }

    .main_block_img {
        width: 40%;
    }

    h1 {
        font-size: 45px;
    }

    h2 {
        font-size: 30px;
    }

    h3 {
        font-size: 29px;

    }

    .big-title {
        font-size: 55px;
        letter-spacing: 6px;
        line-height: 130%;
    }

    .services {
        padding: 0 140px;
    }

    .services h2 {
        font-size: 42px;
        margin-bottom: 90px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .main_block_subtitle {
        font-size: 25px;
    }

    section {
        margin-bottom: 60px;
    }

    .lid {
        margin: 80px auto;
    }

    .service-link img {
        width: 55px;
    }

    .service-link a {
        font-size: 20px;
    }

    .service-link p {
        font-size: 18px;
    }


    .advantage {
        margin-bottom: 30px;
    }

    .advantage:last-child {
        margin-bottom: 0;
    }

    .vr-line {
        height: 230px;
    }

    .main_block_img {
        width: 50%;
    }

    .services_part_image {
        width: 310px;
    }

    .advantages-r img {
        width: 50px;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }

    .main_block_subblock {
        height: 590px;
    }

    .section_grey {
        padding: 60px 0;
    }

    .main_block_subblock_l .montaj {
        margin-top: 70px;
        width: 90%;
    }

    .proektirovanie_service {
        padding: 70px 90px;
    }

    .tips_todo h3 {
        font-size: 34px;
    }

    .lid-predproekt {
        padding: 30px 50px;
    }

    .projects-wrap {
        width: 90%;
    }
}

@media screen and (max-width: 1249px) {

    header,
    .container {
        max-width: 1200px;
    }

    header {
        padding: 7px 0;
    }

    .header_contacts p,
    .header_schedule p:first-child {
        margin-bottom: 2px;
    }

    .header_menu {
        padding: 14px 0;
    }

    h1 {
        font-size: 42px;
    }

    .services h2 {
        font-size: 36px;
    }

    .header_contacts a {
        font-size: 20px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 28px;
    }

    .main_block_subtitle {
        font-size: 22px;
    }

    .header_logo img {
        width: 90px;
        height: 90px;
    }

    .header_menu_line,
    .header_menu_line_two {
        width: 70px;
    }

    .service-link img {
        width: 50px;
    }

    .mobile-menu-wrap-bottom li a,
    .mobile-menu-wrap-bottom li p {
        font-size: 20px;
    }

    .mobile-menu-wrap-top img {
        width: 63px;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }

    .project-1,
    .project-2,
    .project-3,
    .projects-all {
        margin-top: 35px;
    }

    .projects-title {
        font-size: 24px;
    }

    .main_block_subblock {
        height: 565px;
    }

    .main_block_subblock_l p {
        margin-top: 80px;
        margin-left: 130px;
    }

    span.small {
        margin-top: 30px;
        margin-left: 130px;
    }

    span.small {
        font-size: 36px;
    }

    .advantages_substr h3 {
        font-size: 34px;
    }

    .tips_top p {
        font-size: 22px;
    }

    .tips {
        padding-left: 110px;
    }

    .advantages_substr h3,
    .advantages_substr .advantages-l p {
        padding-left: 0;
    }

    .tips_todo h3 {
        font-size: 32px;
    }

    .tips_todo {
        padding: 0 110px;
    }

    .tips_todo_r {
        width: 35%;
        margin-left: 5%;
    }

    .advantages_substr .advantages-l img {
        margin-left: 0;
    }



}

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

    header,
    .container {
        max-width: 1024px;
    }

    .big-title {
        margin-top: 80px;
        font-size: 50px;
        margin-left: 30px;
    }

    .main_block_description_dop_l {
        padding-left: 30px;
    }

    .main_block_img {
        width: 46%;
    }

    .main_block_description_dop_r {
        margin-top: -50px;
    }

    .vr-line {
        height: 220px;
        margin: 0 40px;
    }

    .main_block_subtitle {
        margin-left: 40px;
    }

    .services_part_r {
        padding-left: 65px;
    }

    .services {
        padding: 0 100px;
    }

    .services_part_image {
        width: 270px;
    }

    .service-link {
        margin-bottom: 35px;
    }

    .services_part_r-2 .service-link:last-child {
        margin-bottom: 0;
    }

    .mobile-menu-wrap {
        width: 40%;
    }

    .bg {
        width: 630px;
    }

    .services_part_l {
        padding-top: 100px;
    }

    .services h2 {
        margin-bottom: 85px;
    }

    .proj-line {
        width: 60px;
    }

    .services_part_l_2 {
        padding-top: 0;
    }

    .footer_block img {
        width: 70px;
    }

    .advantages-l {
        width: 42%;
    }

    .advantages-r img {
        width: 40px;
    }

    .advantage h4 {
        margin: 10px 0;
    }

    .advantage {
        margin-bottom: 20px;
    }

    .advantage:last-child {
        margin-bottom: 0;
    }

    .text-bg {
        height: 240px;
    }

    .objects {
        grid-template-columns: repeat(4, 20%);
        gap: 20px;
    }

    .accordion-item-header::after {
        width: 30px;
        height: 30px;
        font-size: 30px;
    }

    .accordion-item {
        margin-bottom: 10px;
    }

    .mobile-menu-wrap-bottom li a,
    .mobile-menu-wrap-bottom li p {
        font-size: 20px;
    }

    .close {
        width: 45px;
        height: 45px;
    }


    .lid {
        width: 95%;
    }

    .accordion {
        width: 95%;
    }

    .accordion-item-header::after {
        right: 20px;
    }

    .accordion-item-header {
        padding: 20px;
    }

    .projects-wrap {
        width: 93%;
    }

    .projects-title {
        font-size: 22px;
    }

    .project-1-r .flex-s-c,
    .project-2-l .flex-s-c,
    .project-3-r .flex-s-c {
        margin: 10px 0;
    }

    .proj-line {
        width: 40px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        padding: 0 !important;
        width: 35px !important;
        height: 35px !important;
        top: 40% !important;
    }

    .main_block_img {
        width: 64%;
    }

    .services {
        padding: 0 60px;
    }

    .services_part_r {
        padding-left: 50px;
    }

    .main_block_subblock_l {
        padding-top: 95px;
    }

    .info-block p {
        margin-bottom: 20px;
    }

    .main_block_subblock {
        height: 425px;
    }

    .main_block_subblock_l p {
        font-size: 22px;
        width: 90%;
    }

    .main_block_subblock_r img {
        width: 75%;
    }

    .info-block h2 {
        font-size: 28px;
    }

    .lid_substr {
        padding: 10px 30px;
    }

    .advantages-predproj h4 {
        font-size: 26px;
    }

    .advantages-predproj {
        width: 95%;
    }

    .lid-predproekt {
        padding: 40px 50px;
    }

    span.small,
    .main_block_subblock_l p {
        margin-left: 95px;
    }

    .main_block_subblock_l .montaj {
        margin-top: 50px;
    }

    .proektirovanie_service {
        padding: 50px 30px;
    }

    .proektirovanie_service_item {
        padding: 12px 15px;
    }

    .proektirovanie_service p {
        font-size: 17px;
    }

    .tips {
        padding: 70px 50px;
    }

    .tips_top p {
        font-size: 20px;
    }

    .tips_todo {
        padding: 0 50px;
        margin-top: 30px;
    }

    .tips_todo .red-line {
        height: 2px;
    }

    .tips_todo_r {
        width: 37%;
        margin-left: 3%;
    }

    .tips_todo h3 {
        font-size: 30px;
    }

    .advantages_substr h3 {
        font-size: 32px;
    }

    .proektirovanie_service {
        gap: 15px 20px;
    }

    .contacts-wrap {
        width: 90%;
    }

    .contacts-wrap li {
        margin-bottom: 10px;
    }

    .contacts-wrap li p,
    .contacts-wrap li a {
        font-size: 19px;
    }

    .contacts-wrap .red-line {
        margin: 7px 0 20px 0;
    }

    .contacts-wrap h1 {
        font-size: 40px;
    }

    .info-block h2 {
        letter-spacing: 2px;
    }

}

@media screen and (max-width: 1023px) {

    header,
    .container {
        max-width: 960px;
    }

    .header_logo img {
        width: 80px;
        height: 80px;
    }

    .header_menu {
        padding: 10px 0;
    }

    .header_menu_line_two {
        margin: 9px 20px 10px 0px;
    }

    p,
    a {
        letter-spacing: 1px;
    }

    .header_contacts a {
        font-size: 19px;
    }

    .logo-title {
        font-size: 16px;
        line-height: 130%;
    }

    .header_menu_line,
    .header_menu_line_two {
        width: 60px;
        height: 1.5px;
    }

    .header_menu:hover .header_menu_line {
        margin-right: 2s0px;
    }

    .header_contacts,
    .header_schedule {
        padding: 0 20px;
    }

    .header_menu {
        margin-left: 20px;
    }

    .span_style_light {
        font-size: 15px;
    }

    .big-title {
        font-size: 42px;
        margin-top: 70px;
    }

    .vr-line {
        height: 200px;
        margin: 0 30px 0 20px;
        width: 3px;
    }

    .main_block_subtitle {
        margin-left: 25px;
        font-size: 19px;
    }

    .main_block_description_dop_r {
        margin-top: -40px;
    }

    .main_block_img {
        width: 47%;
    }

    .bg {
        width: 490px;
    }

    .services_part_l {
        padding-top: 55px;
    }

    .services h2 {
        font-size: 32px;
    }

    .services {
        padding: 0 80px;
    }

    .service-link img {
        width: 45px;
        margin-right: 10px;
    }

    .service-link a {
        font-size: 19px;
        line-height: 120%;
    }

    .services_part_l_2 {
        padding-top: 0;
    }

    .services_part_image {
        width: 150px;
    }

    .services_part_r {
        padding-left: 50px;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 24px;
    }

    p,
    a {
        font-size: 17px;
    }

    .objects {
        margin-top: 30px;
    }

    .lid p {
        font-size: 20px;
    }

    .red-line {
        margin-bottom: 20px;
    }

    .lid_contacts {
        margin-top: 20px;
    }

    .lid_contacts a {
        font-size: 20px;
    }

    .advantages-r,
    .advantages-l {
        width: 45%;
    }

    .advantages-r {
        margin-left: 30px;
    }

    .faq h2 {
        margin-bottom: 30px;
    }

    .mobile-menu-wrap {
        width: 50%;
    }

    .accordion {
        width: 95%;
    }

    .lid {
        width: 95%;
        margin: 70px auto;
        padding-left: 50px;
    }

    .objects {
        gap: 15px;
    }

    .accordion-item-body-content p {
        font-size: 16px;
    }

    .accordion-item-body-content {
        padding: 20px 40px;
    }

    .footer-wrap {
        padding: 30px 10px 0 10px;
    }

    .footer_block img {
        width: 60px;
    }

    .footer-wrap p,
    .footer-wrap a {
        font-size: 16px;
        letter-spacing: 1px;
    }

    footer h4 {
        font-size: 17px;
    }

    .footer-red-line {
        margin: 10px 0;
    }

    .red-line-right {
        margin: 10px 0 10px auto;
    }

    footer li {
        margin: 2px 0;
    }

    .copyright {
        padding: 20px 10px;
    }

    .copyright p {
        font-size: 14px;
    }

    .mobile-menu-wrap-bottom li a,
    .mobile-menu-wrap-bottom li p {
        font-size: 19px;
    }

    .mobile-menu-wrap-top img {
        width: 53px;
    }

    .close {
        width: 40px;
        height: 40px;
    }

    .projects-title {
        font-size: 20px;
    }

    .project-1,
    .project-2,
    .projects-all {
        margin-top: 20px;
    }

    .projects-all {
        gap: 15px;
    }

    .projects-wrap {
        width: 97%;
    }

    .projects-wrap h2 {
        margin-bottom: 30px;
    }

    .info-block p {
        margin-bottom: 20px;
    }

    .main_block_subblock_l p,
    span.small {
        margin-left: 90px;
    }

    .advantages-predproj .advantages-l p {
        font-size: 20px;
        margin-bottom: 20px;
    }

    span.small {
        font-size: 32px;
    }

    .info-block h2 {
        font-size: 26px;
        letter-spacing: 2px;
    }

    .red-line {
        width: 130px;
        height: 2px;
        margin: 10px 0 20px 0;
    }

    .main_block_subblock_l .montaj {
        font-size: 20px;
    }

    .tips_todo_r {
        margin-top: -210px;
    }

    .proektirovanie_service_wrap {
        margin-top: 50px;
    }

    .advantages_substr .advantages-l p {
        font-size: 22px;
    }

    .contacts-wrap h1 {
        font-size: 36px;
    }

    .contacts-wrap li p,
    .contacts-wrap li a {
        font-size: 18px;
        letter-spacing: 1px;
    }

    .contacts-wrap-r img {
        width: 95%;
    }

    .footer_block_contacts_raw {
        margin-bottom: 15px;
    }

    .swiper-button-next {
        right: 2px !important;
    }

    .swiper-button-prev {
        left: 2px !important;
    }

    .accordion-item-header {
        padding: 20px 50px 20px 20px;
    }

}

@media screen and (max-width: 959px) {

    header,
    .container {
        max-width: 912px;
    }

    .header_menu_line_two {
        margin: 9px 20px 9px 0px;
    }

    h1 {
        font-size: 40px;
    }

    .header_schedule {
        display: none;
    }

    .header_contacts p,
    .header_schedule p:first-child {
        margin-bottom: 0;
    }

    .header_contacts a {
        font-size: 18px;
    }

    .span_style_light {
        letter-spacing: 0;
    }

    .header_logo img {
        width: 70px;
        height: 70px;
    }

    .header_menu {
        margin-left: 10px;
    }

    .big-title {
        font-size: 40px;
        letter-spacing: 5px;
    }

    .main_block_description_dop_r_info span {
        font-size: 20px;
        display: block;
        margin-bottom: 10px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 24px;
        margin: 0;
    }

    .vr-line {
        height: 160px;
    }

    .main_block_subtitle {
        font-size: 16px;
    }

    .main_block_img {
        width: 57%;
    }

    .mobile-menu-wrap-bottom li a,
    .mobile-menu-wrap-bottom li p {
        font-size: 19px;
    }

    .services {
        padding: 0 40px;
    }

    .services_part_image {
        width: 210px;
    }

    .service-link p {
        font-size: 17px;
    }

    .services_part_r {
        padding-left: 40px;
    }

    .lid {
        padding-left: 30px;
    }

    .advantages-r,
    .advantages-l {
        width: 50%;

    }

    h3 {
        font-size: 22px;
        letter-spacing: 1px;
    }

    h2 {
        font-size: 24px;
        letter-spacing: 2px;
    }

    .footer-wrap p,
    .footer-wrap a {
        font-size: 14px;
    }

    footer h4 {
        font-size: 16px;
    }

    .main_block_subtitle {
        margin-left: 18px;
    }

    .objects {
        grid-template-columns: repeat(4, 23%);
    }

    .accordion {
        width: 100%;
    }

    .projects-all {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-2-bottom {
        display: none;
    }

    .main_block_subblock_l {
        padding-top: 100px;
    }

    span.small {
        margin-top: 25px;
    }


    .advantages-predproj h4 {
        font-size: 24px;
    }

    .main_block_subblock_l p,
    span.small {
        margin-left: 70px;
    }

    .proektirovanie_service {
        gap: 15px 10px;
    }

    .lid-predproekt {
        padding: 30px;
        width: 97%;
    }

    .advantages_substr h3 {
        font-size: 30px;
    }

    .tips_todo h3 {
        font-size: 28px;
    }

    .tips {
        padding: 70px 40px;
    }

    .proektirovanie_service_wrap {
        margin-top: 0;
    }

    .contacts-wrap h1 {
        font-size: 34px;
    }

    .contacts-wrap .red-line {
        margin: 0 0 15px 0;
    }

    .tips_todo {
        padding: 0 40px;
    }


}

@media screen and (max-width: 911px) {

    header,
    .container {
        max-width: 834px;
    }

    .services_part_image {
        width: 165px;
    }

    .main_block_subblock_l h1 {
        font-size: 36px;
    }

    span.small {
        font-size: 30px;
        margin-left: 70px;
    }

    .main_block_subblock_l p {
        margin-left: 70px;
        margin-top: 50px;
        font-size: 20px;
    }

    .main_block_subblock {
        height: 410px;
    }

    section {
        margin-bottom: 45px;
    }

    .section_grey {
        padding: 45px 0;
    }

    .info-block h2 {
        font-size: 24px;
        letter-spacing: 2px;
    }

    .main_block_subblock_l {
        padding-left: 60px;
    }

    .advantages-predproj {
        width: 95%;
    }

    .main_block_subblock_l .montaj {
        width: 95%;
        font-size: 19px;
        margin-top: 30px;
    }

    .proektirovanie_service_item img {
        width: 20px;
        margin-right: 10px;
    }

    .proektirovanie_service_item {
        padding: 10px;
    }

    .proektirovanie_service p {
        font-size: 15px;
    }

    .tips_todo {
        padding: 0 40px;
    }

    .tips_top p {
        font-size: 18px;
    }

    .tips_todo_r {
        padding: 20px;
        margin-top: -197px;
    }

    .tips_todo h3 {
        margin-bottom: 20px;
    }

    .tips_todo .red-line {
        margin-bottom: 15px;
    }

    .projects-wrap {
        width: 100%;
    }

    .project-3-r img {
        margin-right: 10px;
    }

}

@media screen and (max-width: 833px) {

    header,
    .container {
        max-width: 820px;
    }

    .main_block_img {
        width: 70%;
    }

    .services_part_r {
        padding-left: 30px;
    }

    .advantages-predproj h4 {
        font-size: 23px;
    }

    .advantages-predproj .advantages-r {
        padding-left: 20px;
    }

    .advantages_substr .advantages-l p {
        font-size: 20px;
    }
}

@media screen and (max-width: 819px) {

    header,
    .container {
        max-width: 768px;
    }

    .big-title {
        margin-top: 50px;
    }

    .services {
        padding: 0 30px;
    }

    .services_part_r {
        padding-left: 20px;
    }

    .services_part_image {
        width: 165px;
    }

    .main_block_subblock_l h1 {
        letter-spacing: 5px;
    }

    .main_block_subblock_l p {
        width: 100%;
    }

    .info-block-r ul li {
        margin: 10px 0;
    }

    .info-block p {
        margin-bottom: 20px;
    }

    .info-block h2 {
        font-size: 22px;
    }

    .red-line {
        margin: 10px 0 15px 0;
        width: 115px;
        height: 2px;
    }

    .info-block p {
        font-size: 16px;
    }

    .advantages-predproj h4 {
        font-size: 22px;
    }

    .advantages_substr .advantages-r {
        padding-left: 0;
    }

    .advantages_substr .advantages-r p {
        font-size: 16px;
    }

    .lid_substr h2 {
        font-size: 22px;
    }

    .main_block_subblock_l {
        padding-left: 20px;
    }

    .main_block_subblock {
        height: 370px;
    }

    .main_block_subblock_l {
        padding-top: 85px;
    }

    .proektirovanie_service {
        padding: 40px 20px;
    }

    .contacts-wrap h1 {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .tips_todo_r {
        margin-top: -150px;
    }

    .proj-descr p {
        font-size: 16px;
    }

    .proj-all-descr .projects-title {
        font-size: 19px;
    }
}

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

    header,
    .container {
        max-width: 640px;
    }

    section {
        margin-bottom: 40px;
    }

    h2 {
        font-size: 22px;
    }

    p,
    a {
        font-size: 16px;
    }

    .header_logo img {
        width: 60px;
        height: 60px;
        margin-right: 10px;
    }

    .logo-title {
        font-size: 15px;
        letter-spacing: 1px;
    }

    .header_contacts,
    .header_schedule {
        display: none;
    }


    .header_menu_line,
    .header_menu_line_two {
        width: 50px;
    }

    .header_menu {
        padding: 5px 0;
    }

    .header_menu_line_two {
        margin: 8px 20px 8px 0;
    }

    .big-title {
        font-size: 30px;
        margin-left: 0px;
        letter-spacing: 4px;
        margin-top: 40px;
    }

    .main_block_description_dop_l {
        padding-left: 0px;
        padding-top: 10px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 22px;
        letter-spacing: 2.5px;
    }

    .main_block_description_dop_r {
        margin-top: -30px;
    }

    .vr-line {
        height: 135px;
        margin: 0 20px 0 10px;
        width: 2.5px;
    }

    .main_block_description_dop_r_info span {
        font-size: 18px;
        margin-bottom: 5px;
    }

    .main_block_img {
        width: 78%;
    }

    .main_block_subtitle {
        margin-left: 5px;
        letter-spacing: 1px;
        margin-top: 10px;
        font-size: 15px;
    }

    .mobile-menu-wrap {
        width: 65%;
    }

    .mobile-menu-wrap-top img {
        width: 50px;
    }

    .mobile-menu-wrap-top p {
        font-size: 14px;
    }

    .close {
        width: 40px;
        height: 40px;
    }

    .mobile-menu-wrap-top {
        padding: 5px 20px;
    }

    .mobile-menu-wrap-bottom {
        padding: 30px 20px;
    }

    .mobile-menu-wrap-bottom li a,
    .mobile-menu-wrap-bottom li p {
        font-size: 18px;
    }

    .mobile-menu-wrap-bottom li {
        margin: 10px 0;
    }

    h5 {
        font-size: 18px;
    }

    .mobile-menu-wrap-bottom span.red {
        font-size: 20px;
    }

    .bg {
        width: 350px;
        height: 300px;
    }

    .services_part_l {
        padding-top: 10px;
    }

    .services h2 {
        font-size: 26px;
        letter-spacing: 2px;
    }

    .services {
        padding: 0;
    }

    .services h2 {
        margin-bottom: 30px;
    }

    .service-link img {
        width: 40px;
    }

    .service-link a {
        font-size: 18px;
        line-height: 120%;
    }

    .service_line {
        margin: 10px 0;
    }

    .link-i {
        width: 25px;
        height: 25px;
    }

    .mobile-menu-wrap a,
    .mobile-menu-wrap p {
        letter-spacing: 1px;
    }

    .service-link p {
        font-size: 16px;
    }

    .services_part_image {
        display: none;
    }

    .services_part_image_2 {
        width: 90%;
    }

    .lid {
        width: 100%;
        margin: 60px 0;
    }

    .lid p {
        font-size: 16px;
    }

    .red-line {
        width: 130px;
        height: 2px;
    }

    .lid_contacts span {
        font-size: 16px;
    }

    .lid_contacts a {
        font-size: 18px;
    }

    .advantages-r img {
        width: 30px;
        margin-right: 7px;
    }

    h4 {
        font-size: 18px;
    }

    .advantage h4 {
        font-size: 17px;
        margin: 3px 0 10px 0;
    }

    h3 {
        font-size: 20px;
        padding-left: 0;
    }

    .advantages .flex-c-c {
        display: block;
    }

    .advantages-l {
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .text-bg {
        margin-top: 0;
        height: 190px;
        width: 80%;
    }

    .advantages-r {
        width: 90%;
        margin: 20px auto 0 auto;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-left: 0;
    }

    .accordion-item-header::after {
        width: 25px;
        height: 25px;
        font-size: 25px;
        right: 10px;
    }

    .accordion-item-header {
        padding: 15px 35px 15px 15px;
    }

    .accordion-item-body-content p {
        font-size: 15px;
    }

    .footer-wrap {
        padding: 30px 0 10px 0;
    }

    .footer-wrap {
        grid-template-columns: 20% 40% 40%;
    }

    .footer_block_dop p {
        display: none;
    }

    .footer_nav {
        margin-top: 10px;
    }

    footer li {
        margin: 0;
    }

    .copyright p {
        font-size: 12px;
        letter-spacing: 0px;
    }

    .proj-descr {
        padding-left: 0;
    }

    .projects-wrap .proj-descr {
        font-size: 16px;
    }

    .projects-wrap {
        width: 100%;
    }

    .projects-title {
        font-size: 18px;
    }

    .project-1-r .flex-s-c,
    .project-2-l .flex-s-c,
    .project-3-r .flex-s-c {
        margin: 5px 0;
    }

    .proj-all-descr .flex-s-c {
        margin-bottom: 5px;
    }

    .advantages_substr .advantages-l img {
        width: 37%;
        margin-left: 0;
    }

    .advantages_substr .advantages-r {
        width: 100%;
        align-items: flex-start;
    }

    .advantages_substr {
        width: 95%;
    }

    .lid_substr h2 {
        font-size: 20px;
    }

    .main_block_subblock_l {
        padding-top: 65px;
    }

    .main_block_subblock {
        height: 285px;
    }

    .main_block_subblock_l h1 {
        font-size: 30px;
    }

    span.small {
        font-size: 26px;
        margin-top: 20px;
        margin-left: 30px;
    }

    .main_block_subblock_l p {
        margin-left: 30px;
        font-size: 17px;
        margin-top: 20px;
    }

    .main_block_subblock_r {
        padding-top: 50px;
    }

    .info-block h2 {
        font-size: 20px;
    }

    .info-block p {
        margin-bottom: 15px;
    }

    .section_grey {
        padding: 40px 0;
    }

    .main_block_subblock_l {
        padding-left: 40px;
    }

    .info-block {
        width: 95%;
    }

    .lid-predproekt {
        padding: 20px;
    }

    .proektirovanie_service_item {
        padding: 10px 5px;
    }

    .proektirovanie_service {
        gap: 10px 7px;
    }

    .proektirovanie_service p {
        font-size: 13px;
    }

    .proektirovanie_service_item img {
        margin-right: 5px;
    }

    .advantages_substr h3 {
        display: none;
    }

    .tips {
        padding: 50px 30px;
    }

    .tips_top p {
        font-size: 16px;
    }

    .tips_todo {
        padding: 0 20px;
    }

    .tips_todo_r {
        margin-top: -177px;
    }

    .tips_todo h3 {
        font-size: 26px;
    }

    .contacts-wrap .flex-c-c {
        display: block;
    }

    .contacts-wrap-l,
    .contacts-wrap-r {
        width: 100%;
    }

    .contacts-wrap-r {
        padding-top: 0;
    }

    .contacts-wrap-r img {
        display: none;
    }

    .contacts-wrap .red-line {
        margin-bottom: 20px;
    }

}

@media screen and (max-width: 639px) {

    header,
    .container {
        max-width: 414px;
        padding: 0 10px;
    }

    .header_menu_line_two {
        margin: 8px 17px 9px 0;
    }

    p,
    a {
        font-size: 18px;
    }

    section,
    section.main {
        margin-bottom: 40px;
    }

    .header_logo {
        padding-left: 10px;
    }

    .logo-title {
        font-size: 15px;
    }

    .mobile-menu-wrap {
        width: 100%;
    }

    .big-title {
        font-size: 32px;
        letter-spacing: 4px;
        margin-left: 10px;
        margin-top: 60px;
    }

    .main_block .flex-b-s {
        display: block;
    }

    .main_block_description_dop_r_info span {
        font-size: 16px;
    }

    .vr-line {
        height: 130px;
    }

    .main_block_img {
        display: none;
    }

    .main_block_description_dop_l {
        width: 33%;
    }

    .main_block_subtitle {
        margin-left: 10px;
    }

    .main_block_subtitle {
        font-size: 20px;
    }

    .bg {
        width: 100%;
        top: -75px;
    }

    .services_part_l,
    .services_part_r {
        width: 100%;
        padding-left: 20px;
    }

    .services_part_l {
        padding-top: 30px;
    }

    .services_part_l_2 {
        padding-top: 0;
    }

    .services h2 {
        text-align: center;
    }

    .services_part_image_2 {
        display: none;
    }

    .services_part_image {
        display: block;
        width: 70%;
        margin: 0 auto;
        margin-bottom: 30px;
    }

    .services_part_l_2 .service-link {
        margin-bottom: 30px;
    }

    .objects {
        grid-template-columns: repeat(2, 45%);
    }

    .lid .flex-b-c {
        display: block;
    }

    .lid .flex-b-c img {
        width: 100%;
        margin-top: 20px;
    }

    .lid {
        padding: 30px;
    }

    .lid_contacts .flex-s-c,
    .lid_contacts span {
        display: block;
    }

    .lid_contacts a {
        margin-left: 0;
    }

    .lid p {
        font-size: 18px;
    }

    .advantages-l {
        display: block;
    }

    .lid_contacts a {
        font-size: 20px;
    }

    .lid_contacts span {
        display: block;
        margin-bottom: 5px;
    }

    .advantages-l h3 {
        padding: 0;
        text-align: center;
        font-size: 25px;
    }

    .text-bg {
        margin: 0 auto;
    }

    .advantages-r {
        display: block;
        width: 100%;
        padding: 0 20px;

    }

    .accordion-item-header::after {
        right: 15px;
    }

    .footer-wrap {
        display: block;
    }

    .footer-wrap {
        padding: 30px 20px;
    }

    .footer_block_dop p {
        display: block;
    }

    .footer_block {
        margin-top: 30px;
    }

    .footer_block_dop {
        margin-top: 0;
    }

    .footer_block_contacts {
        margin-top: 20px;
        text-align: left;
    }

    .footer-mobile {
        display: block;
        text-align: left;
    }

    .header_menu {
        padding: 15px 0;
    }

    .copyright {
        padding: 0px 0 20px 0;
    }

    .footer-red-line-hidden {
        display: block;
    }

    .project-1-l,
    .project-1-r,
    .project-2-l,
    .project-2-r {
        width: 100%;
    }

    .projects-wrap h2 {
        margin-bottom: 0;
    }

    .projects-wrap {
        width: 90%;
    }

    .project-1-l {
        margin-top: 20px;
    }

    .project-1-l .flex-b-s {
        margin-bottom: 10px;
    }

    .project-1-r .flex-s-c,
    .project-2-l .flex-s-c,
    .project-3-r .flex-s-c {
        margin: 10px 0;
    }

    .projects-all {
        display: block;
    }

    .project {
        margin-bottom: 25px;
    }

    .accordion-item-body-content {
        padding: 20px;
    }

    .main_block_img {
        display: block;
        margin: 15px auto;
        width: 60%;
    }

    .main_block_description_dop_r {
        width: 100%;
        margin-top: 0;
    }

    .main_block_description_dop_l {
        display: none;
    }

    .vr-line {
        display: none;
    }

    .services_part_l {
        padding-top: 0;
    }

    .main_block_description_dop_r_info {
        padding: 0 15px;
        border-left: 3px solid var(--clr-red-1);
        margin: 15px 0 15px 16px;
    }

    .big-title {
        margin-top: 50px;
    }

    .bg {
        display: none;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        margin: 2px 0;
    }

    .svyaz {
        display: block;
    }

    .copyright {
        padding-bottom: 75px;
    }

    .main_block_subblock {
        background: none;
        padding: 0 20px;
        height: auto;
    }

    .main_block_subblock_l {
        padding: 50px 0 0 0;
    }

    .main_block_subblock_l h1 {
        font-size: 28px;
        letter-spacing: 3px;
    }

    span.small {
        font-size: 28px;
        letter-spacing: 3px;
        margin: 5px 0 0 0;
    }

    .main_block_subblock_l,
    .main_block_subblock_r {
        width: 100%;
    }

    .main_block_subblock_l p {
        margin: 30px 0 15px 5px;
        padding: 0 15px;
        border-left: 3px solid var(--clr-red-1);
        font-size: 20px;
    }

    .main_block_subblock_r {
        padding-top: 0;
    }

    .main_block_subblock_r img {
        width: 85%;
    }

    .info-block .flex-b-s {
        display: block;
    }

    .info-block-l {
        margin-bottom: 20px;
    }

    .info-block-l,
    .info-block-r {
        width: 100%;
    }

    .info-block ul {
        margin-left: 20px;
    }

    .advantages-predproj h4 {
        text-align: center;
    }

    .advantages_substr .advantages-l img {
        width: 65%;
        display: block;
        margin: 0 auto;
    }

    .lid_substr .flex-b-c img {
        width: 70%;
        display: block;
        margin: 15px auto 0 auto;
    }

    .lid {
        width: 85%;
        margin: 50px auto;
    }

    .proektirovanie_service {
        grid-template-columns: repeat(2, 1fr);
    }

    .proektirovanie_service {
        padding: 30px 15px;
        align-items: flex-start;
    }

    .advantages-l h3 {
        display: block;
    }

    .advantages_substr .advantages-l p {
        text-align: center;
    }

    .tips {
        margin-top: 50px;
    }

    .tips_top {
        width: 100%;
    }

    .tips_todo_l,
    .tips_todo_r {
        width: 100%;
        margin: 0;
    }

    .tips_todo_r {
        box-shadow: none;
        padding: 0;
        background: none;
        margin: 15px 0;
    }

    .tips_todo_r img {
        width: 60%;
        display: block;
        margin: 0 auto;
    }

    .proektirovanie {
        font-size: 26px;
    }

    .contacts-wrap-r img {
        display: block;
        width: 85%;
        margin: 0;
    }

    .section-contacts {
        margin-bottom: 30px;
    }

    .contacts-wrap h1 {
        font-size: 28px;
        margin-bottom: 5px;
    }

    .red-line-right {
        margin: 10px 0;
    }

    .advantages-l h3.proektirovanie {
        font-size: 30px;
        margin-bottom: 20px;
    }

    .project-3-l,
    .project-3-r {
        width: 100%;
    }

    .service-link p {
        font-size: 18px;
    }

    .service-link a {
        font-size: 20px;
        margin-bottom: 2px;
    }

    .advantage h4 {
        font-size: 20px;
    }

    .objects p {
        font-size: 16px;
    }

    .lid p {
        font-size: 20px;
    }

    .accordion-item-body-content p {
        font-size: 17px;
    }

    .footer-wrap p,
    .footer-wrap a {
        font-size: 17px;
    }

    .footer_block_contacts,
    .footer_block {
        margin-top: 50px;
    }

    .footer_nav {
        margin-top: 20px;
    }

    footer li {
        margin: 2px 0;
    }

    .footer_block_contacts_raw {
        margin-bottom: 20px;
    }

    .service-link img {
        width: 45px;
    }

    .advantages_substr .advantages-r p,
    .tips_top p {
        font-size: 18px;
    }

    h4 {
        font-size: 20px;
    }

    .advantages_substr .advantages-r {
        padding-right: 0;
        padding-left: 10px;
    }

    .info-block p {
        font-size: 18px;
    }

    .info-block h2 {
        letter-spacing: 1px;
        font-size: 22px;
    }
	.service-link span.red {
	font-size: 22px;}

}

@media screen and (max-width: 413px) {

    header,
    .container {
        max-width: 400px;
    }
}

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

    header,
    .container {
        max-width: 390px;
    }

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

    .lid {
        width: 95%;
        margin: 40px auto;
    }


    .advantages-l h3 {
        font-size: 22px;
    }

    .advantages-r {
        padding: 0 10px;
    }

    .footer-wrap {
        padding: 30px 10px;
    }

    .projects-wrap {
        width: 95%;
    }

    .services_part_l,
    .services_part_r {
        padding-left: 10px;
    }

    .main_block_subblock_l h1,
    span.small {
        font-size: 27px;
    }

    .advantages_substr .advantages-r {
        padding-right: 0;
    }

    .info-block {
        width: 95%;
    }

    .main_block_subblock {
        padding: 0 15px;
    }

    .advantages_substr .advantages-l img {
        width: 80%;
    }

    .advantages-l h3.proektirovanie {
        font-size: 26px;
    }

    .tips_todo h3 {
        font-size: 25px;
    }

    .contacts-wrap .red-line {
        width: 90px;
    }
}

@media screen and (max-width: 389px) {

    header,
    .container {
        max-width: 375px;
    }

    .service_line {
        height: 2px;
        width: 80px;
    }

    .big-title {
        letter-spacing: 3px;
    }

    .services h2 {
        font-size: 24px;
    }
}

@media screen and (max-width: 374px) {

    header,
    .container {
        max-width: 360px;
    }

    .main_block_subblock {
        padding: 0 10px;
    }

    .main_block_subblock_l h1,
    span.small {
        font-size: 26px;
    }

    .lid {
        width: 95%;
        padding: 30px 20px;
    }

    .accordion-item-header::after {
        right: 10px;
    }

    .proektirovanie_service {
        grid-template-columns: repeat(1, 90%);
        justify-content: center;
    }

    .proektirovanie_service_item {
        padding: 10px 15px;
    }

    .proektirovanie_service p {
        font-size: 16px;
    }

    .advantages_substr .advantages-l p {
        font-size: 19px;
    }

    .contacts-wrap h1 {
        font-size: 26px;
        letter-spacing: 3px;
    }

}

@media screen and (max-width: 359px) {

    header,
    .container {
        max-width: 340px;
    }

    .big-title {
        letter-spacing: 2px;
        font-size: 28px;
    }

    .header_menu_line,
    .header_menu_line_two {
        width: 40px;
    }

    .logo-title {
        letter-spacing: 0;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        font-size: 20px;
        letter-spacing: 2.5px;
    }

    .main_block_subtitle {
        font-size: 17px;
    }

    .bottom-menu {
        width: 45px;
        height: 40px;
    }

    .bottom-menu-line,
    .bottom-menu-line2 {
        height: 1px;
    }

    .svyaz-block img {
        width: 25px;
    }

    .main_block_subblock_l h1,
    span.small {
        font-size: 25px;
        letter-spacing: 2px;
    }

    .tips_todo h3 {
        font-size: 24px;
    }

    .advantages-l h3.proektirovanie {
        font-size: 25px;
    }

    .advantages_substr .advantages-l p {
        font-size: 18px;
    }

    .proektirovanie_service_item img {
        margin-right: 10px;
    }

    .tips_todo {
        padding: 0 10px;
    }

    .tips {
        padding: 40px 20px;
    }

    .contacts-wrap {
        width: 95%;
    }

    .contacts-wrap-r img {
        width: 100%;
    }

    .project-3-r img {
        display: none;
    }

    .project-3-r-description {
        width: 100%;
    }

    .proj-all-descr .projects-title {
        font-size: 18px;
    }

    p,
    a {
        font-size: 17px;
    }

    .service-link a {
        font-size: 18px;
    }

    .service-link p {
        font-size: 17px;
    }

    .advantage h4 {
        font-size: 18px;
    }

    .footer_block_dop ul li {
        margin-right: 7px;
    }

    .lid p {
        font-size: 18px;
    }

    .advantages_substr .advantages-r {
        padding-left: 5px;
    }

}

@media screen and (max-width: 339px) {

    header,
    .container {
        max-width: 320px;
    }


    .services_part_l {
        padding-top: 0;
    }

    .lid {
        width: 100%;
        padding: 30px 20px;
    }

    .accordion-item-header::after {
        right: 5px;
    }

    .accordion-item-header {
        padding: 15px 30px 15px 10px;
    }

    .main_block_description_dop_r h1,
    .title-dop {
        letter-spacing: 1.5px;
    }

    .projects-wrap {
        width: 100%;
    }

    .advantages-r {
        padding: 0;
    }

    .main_block_subblock_l h1,
    span.small {
        font-size: 24px;
        letter-spacing: 1.5px;
    }

    .advantages_substr {
        width: 100%;
    }

    .proektirovanie_service {
        grid-template-columns: repeat(1, 100%);
    }

    .service-link img {
        width: 35px;
    }

}

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

    header,
    .container {
        max-width: 280px;
    }

    .logo-title {
        display: none;
    }

    .big-title {
        font-size: 24px;
    }

    .project-2-description {
        width: 100%;
    }

    .project-2-l .flex-s-c img {
        display: none;
    }

    .projects-wrap .proj-descr {
        padding: 0 5px;
    }

    .proj-all-descr {
        padding: 0 10px;
    }

    .accordion-item-body-content {
        padding: 15px 5px;
    }

    .svyaz a {
        font-size: 14px;
    }

    .big-title {
        margin-left: 0;
        margin-top: 30px;
    }

    .lid_substr h2 {
        font-size: 16px;
    }

    .main_block_subblock_l h1,
    span.small {
        font-size: 21px;
    }

    .info-block h2 {
        font-size: 19px;
    }

    h2,
    .advantages-l h3 {
        font-size: 19px;
    }

    .footer-wrap p,
    .footer-wrap a {
        font-size: 15px;
    }
}