* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", sans-serif;
    text-decoration: none;
}

html,
body {
    position: relative;
    background: #FFFFFF;
}

h1,
h2 {
    font-style: normal;
    font-weight: 400;
    line-height: 130%;
    letter-spacing: -0.05em;
    color: #000000;
}

h1 {
    font-size: 50px;
}

h2 {
    font-size: 42px;
}

h2 em {
    font-size: 60px;
}

em {
    font-family: "Cormorant", serif;
}

p {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

p b {
    font-weight: 500;
}

p.p14 {
    font-size: 14px;
}

p.p16 {
    font-size: 16px;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
}

.d_flex {
    display: flex;
    align-items: center;
}

.btn {
    height: 47px;
    padding: 14px 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border-radius: 30px;
    font-style: normal;
    font-weight: 600;
    font-size: 16px;
    line-height: 20px;
    color: #6B625C;
}


/* ========================================================================== */


/* Header */


/* ========================================================================== */

header {
    position: sticky;
    z-index: 50;
    padding: 16px 0;
    background: #BCB5AF;
}

.header {
    justify-content: space-between;
}

header a {
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 20px;
    text-align: center;
    color: #60534B;
}

.header_menu {
    gap: 22px;
}

.header_right_menu {
    gap: 26px;
}


/* Catalog dropdown */

.catalog_dropdown {
    position: static;
}

.catalog_toggle {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0;
    background: transparent;
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 20px;
    color: #60534B;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.catalog_toggle:hover {
    color: #000000;
}

.catalog_arrow {
    flex: 0 0 auto;
    color: #988B83;
    transition: transform 0.25s ease, color 0.25s ease;
}

.catalog_dropdown.is_open .catalog_arrow {
    transform: rotate(180deg);
    color: #60534B;
}

.catalog_menu {
    position: absolute;
    top: calc(100% + 19px);
    left: 50%;
    width: min(1120px, calc(100vw - 32px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(10px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s ease;
}

.catalog_dropdown.is_open .catalog_menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.catalog_menu::before {
    content: "";
    position: absolute;
    top: -11px;
    left: 285px;
    width: 22px;
    height: 22px;
    background: #FFFFFF;
    border-radius: 5px;
    transform: rotate(45deg);
    box-shadow: -8px -8px 30px rgba(5, 9, 22, 0.04);
}

.catalog_menu_inner {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(190px, 1fr)) 250px;
    gap: 28px;
    padding: 28px;
    background: #FFFFFF;
    border-radius: 0 0 24px 24px;
    box-shadow: 0 24px 70px rgba(5, 9, 22, 0.12);
}

.catalog_col {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.catalog_title {
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
    white-space: nowrap;
}

.catalog_col a {
    position: relative;
    display: block;
    width: 100%;
    padding: 7px 0;
    overflow: hidden;
    font-weight: 500;
    font-size: 14px;
    line-height: 130%;
    text-align: left;
    color: #60534B;
    white-space: nowrap;
    text-overflow: ellipsis;
    transition: color 0.25s ease;
}

.catalog_col a:hover {
    color: #000000;
}

.catalog_preview {
    min-height: 210px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #F4F4F4;
    border-radius: 20px;
}

.catalog_preview span {
    width: fit-content;
    padding: 6px 12px;
    display: inline-flex;
    background: #BCB5AF;
    border-radius: 30px;
    font-weight: 500;
    font-size: 12px;
    line-height: 130%;
    color: #FFFFFF;
    white-space: nowrap;
}

.catalog_preview p {
    margin: 20px 0;
    font-size: 14px;
    line-height: 130%;
    color: #60534B;
}

.catalog_preview a {
    width: fit-content;
    font-weight: 600;
    font-size: 14px;
    line-height: 130%;
    text-decoration: underline;
    text-underline-offset: 4px;
    color: #000000;
    white-space: nowrap;
}


/* ========================================================================== */


/* Hero */


/* ========================================================================== */

.hero_block {
    padding: 35px 0 50px;
    background: #F4F4F4 url(../img/hero_bg.png) no-repeat center top / 100%;
}

.hero_block h1 {
    margin: 20px 0 25px;
}

.hero_block h1 em {
    font-size: 70px;
    letter-spacing: 0;
}

.hero_block_content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.hero_img {
    display: flex;
    align-items: center;
}

.hero_img div {
    overflow: hidden;
    border-radius: 20px;
}

.hero_img div img {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero_img_one {
    position: relative;
    right: -90px;
    z-index: 2;
    width: 306px;
}

.hero_img_two {
    z-index: 1;
    width: 375px;
}

.hero_bottom {
    position: relative;
    top: -90px;
    padding: 96px 0;
    background-color: #F4F4F4;
}

.hero_bottom_content {
    max-width: 1100px;
    display: flex;
    justify-content: space-between;
    flex: 1 1 calc(50% - 20px);
    gap: 20px;
}

.hero_bottom_content div {
    width: 100%;
}

.hero_bottom_left span {
    display: block;
    max-width: 500px;
    margin-top: 15px;
    font-weight: 400;
    font-size: 36px;
    line-height: 94%;
    letter-spacing: -0.05em;
    color: #000000;
}


/* ========================================================================== */


/* Advantages */


/* ========================================================================== */

.advantages_block {
    padding: 85px 0;
}

.adv_content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.adv_left,
.adv_right {
    width: 100%;
    max-width: 538px;
}

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

.adv_left .p14 {
    margin-top: 40px;
}

.adv_right ul {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 30px 0 60px;
}

.adv_right ul li {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.adv_right ul li::before {
    content: url(../img/icon/adv_li.svg);
}

.adv_right p b {
    margin-left: 62px;
    font-weight: 500;
}


/* ========================================================================== */


/* Choice cards */


/* ========================================================================== */

.choice_block {
    padding: 80px 0 95px;
    background: #BCB5AF url(../img/choice.png) no-repeat center / cover;
}

.title_flex {
    display: flex;
    justify-content: space-between;
}

.title_left {
    width: 100%;
}

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

.title_flex p.p14 {
    max-width: 540px;
}

.choice_content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0 76px;
}

.choice_card {
    min-height: 315px;
    padding: 25px 35px;
    display: flex;
    flex: 1 1 calc(25% - 20px);
    flex-direction: column;
    align-items: flex-start;
    gap: 90px;
    background: #FFFFFF;
    border-radius: 20px;
}

.choice_card span {
    width: 100%;
    font-style: normal;
    font-weight: 500;
    font-size: 64px;
    line-height: 130%;
    text-align: right;
    color: #BCB5AF;
}

.choise_bottom_text {
    max-width: 874px;
    margin: 0 auto;
}


/* ========================================================================== */


/* Types of ceilings */


/* ========================================================================== */

.types_of_ceilings_block {
    padding: 80px 0;
    background: #F4F4F4;
}

.types_of_ceilings h2 {
    margin-bottom: 26px;
}

.types_of_ceilings h2 em {
    font-weight: 400;
    font-size: 60px;
    line-height: 100%;
}

.types_of_ceilings_content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    column-gap: 20px;
    row-gap: 38px;
}

.ceiling_type_card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    color: #000000;
}

.ceiling_type_img {
    width: 100%;
    aspect-ratio: 315 / 249;
    overflow: hidden;
    background: #D9D9D9;
    border-radius: 20px;
}

.ceiling_type_img img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.ceiling_type_card:hover .ceiling_type_img img {
    transform: scale(1.04);
}

.ceiling_type_card span {
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

.ceiling_type_card:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}

.ceiling_type_card:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.ceiling_type_card:nth-child(3) {
    grid-column: 4;
    grid-row: 1;
}

.ceiling_type_card:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

.ceiling_type_card:nth-child(5) {
    grid-column: 3;
    grid-row: 2;
}

.ceiling_type_card:nth-child(6) {
    grid-column: 2;
    grid-row: 3;
}

.ceiling_type_card:nth-child(7) {
    grid-column: 4;
    grid-row: 3;
}


/* ========================================================================== */


/* Which choice */


/* ========================================================================== */

.which_choice_block {
    padding: 90px 0 100px;
}

.which_choice h2 {
    margin-bottom: 20px;
}

.which_choice_content {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    column-gap: 20px;
    row-gap: 0;
    margin-top: 55px;
}

.choice_item {
    order: var(--d-order);
    flex: 0 0 calc((100% - 40px) / 3);
}

.choice_review {
    min-height: 300px;
    padding: 40px 28px 28px;
    background: #BCB5AF;
    border-radius: 20px;
}

.choice_review_head {
    display: flex;
    align-items: center;
    gap: 24px;
}

.choice_review_head img {
    flex: 0 0 84px;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    object-fit: cover;
}

.choice_review_head h3 {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

.choice_review_head span {
    display: block;
    font-weight: 500;
    font-size: 14px;
    line-height: 130%;
    color: rgba(0, 0, 0, 0.5);
}

.choice_review>p {
    max-width: 358px;
    margin-top: 42px;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
}

.choice_image {
    height: 450px;
    overflow: hidden;
    background: #D9D9D9;
    border-radius: 20px;
}

.choice_image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.choice_image:hover img {
    transform: scale(1.04);
}

.choice_text {
    min-height: 450px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.choice_text h3 {
    margin-bottom: 45px;
    font-weight: 500;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

.choice_text p {
    max-width: 427px;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
}

.choice_text a {
    margin-top: auto;
    font-weight: 500;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.25s ease, text-underline-offset 0.25s ease;
}

.choice_text a:hover {
    color: #60534B;
    text-underline-offset: 6px;
}

.choice_divider {
    order: var(--d-order);
    flex: 0 0 100%;
    width: 100%;
    height: 1px;
    margin: 56px 0;
    background: #C0D2BD;
}


/* ========================================================================== */


/* Price */


/* ========================================================================== */

.price_factors {
    margin-top: 70px;
}

.price_factors h3 {
    font-weight: 600;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

.price_factors.adv_right {
    max-width: 1100px;
}

.price_factors_lists {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.price_factors_lists ul {
    width: calc(50% - 48px);
    gap: 22px;
    margin-bottom: 0;
}

.price_factors_lists ul li::before {
    content: url(../img/icon/price_li.svg);
}

.price_tariffs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 58px;
}

.price_tariff_card {
    overflow: hidden;
    background: #FFFFFF;
    border-radius: 20px;
}

.price_tariff_head {
    min-height: 111px;
    padding: 28px 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #EFE9E4;
}

.price_tariff_head h3 {
    max-width: 250px;
    font-weight: 600;
    font-size: 20px;
    line-height: 130%;
    text-align: center;
    color: #60534B;
}

.price_tariff_body {
    padding: 35px 18px 30px;
}

.price_tariff_example {
    min-height: 72px;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #E8E8E8;
    border-radius: 15px;
    text-align: center;
}

.price_tariff_example span,
.price_tariff_example strong {
    font-weight: 400;
    font-size: 16px;
    line-height: 150%;
    color: #000000;
}

.price_tariff_example strong {
    font-weight: 500;
}

.price_tariff_producer {
    min-height: 80px;
    margin-top: 18px;
    font-size: 16px;
    line-height: 150%;
    text-align: center;
}

.price_tariff_producer strong {
    font-weight: 500;
}

.price_tariff_card ul {
    margin-top: 22px;
    padding-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-top: 1px solid #C0D2BD;
    list-style: none;
}

.price_tariff_card ul li {
    font-weight: 400;
    font-size: 16px;
    line-height: 130%;
    color: #000000;
}

.price_bottom {
    margin-top: 75px;
    display: grid;
    grid-template-columns: 423px 650px;
    justify-content: space-between;
    align-items: start;
    gap: 40px;
}

.price_bottom>.p14 {
    max-width: 423px;
}

.price_calc {
    width: 100%;
    max-width: 650px;
    padding: 50px 70px;
    background: #FFFFFF;
    border-radius: 20px;
}

.price_calc_field+.price_calc_field {
    margin-top: 38px;
}

.price_calc_field label {
    display: block;
    margin-bottom: 14px;
    font-weight: 500;
    font-size: 16px;
    line-height: 130%;
    color: #000000;
}

.price_select_wrap {
    position: relative;
}

.price_select_wrap::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 22px;
    width: 10px;
    height: 10px;
    border-right: 1.5px solid #D4D4D4;
    border-bottom: 1.5px solid #D4D4D4;
    pointer-events: none;
    transform: translateY(-70%) rotate(45deg);
}

.price_select_wrap select {
    width: 100%;
    height: 44px;
    padding: 0 50px 0 20px;
    border: 1px solid #D6D6D6;
    border-radius: 30px;
    appearance: none;
    outline: none;
    background: #FFFFFF;
    font-weight: 400;
    font-size: 16px;
    line-height: 130%;
    color: #000000;
    cursor: pointer;
}

.price_area_row {
    display: flex;
    align-items: center;
    gap: 30px;
}

.price_area_row input[type="range"] {
    flex: 1;
    height: 4px;
    appearance: none;
    border-radius: 30px;
    outline: none;
    background: #E2E1E1;
    cursor: pointer;
}

.price_area_row input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    appearance: none;
    border: 3px solid #D4D4D4;
    border-radius: 50%;
    background: #FFFFFF;
}

.price_area_row input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border: 3px solid #D4D4D4;
    border-radius: 50%;
    background: #FFFFFF;
}

.price_area_value {
    display: flex;
    align-items: center;
    gap: 18px;
}

.price_area_value input {
    width: 91px;
    height: 44px;
    border: 1px solid #D6D6D6;
    border-radius: 30px;
    outline: none;
    font-weight: 400;
    font-size: 16px;
    line-height: 130%;
    text-align: center;
    color: #000000;
}

.price_area_value span {
    font-size: 16px;
    line-height: 130%;
    color: #000000;
}

.price_calc_bottom {
    margin-top: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.price_calc_actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.price_calc_actions button {
    min-width: 239px;
    height: 47px;
    padding: 0 26px;
    background: #7F7470;
    border-radius: 30px;
    font-weight: 500;
    font-size: 16px;
    line-height: 130%;
    color: #FFFFFF;
    transition: background 0.25s ease;
}

.price_calc_actions button:hover {
    background: #60534B;
}

.price_calc_actions a {
    font-weight: 500;
    font-size: 16px;
    line-height: 130%;
    color: #000000;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.price_calc_result {
    width: 244px;
    min-height: 93px;
    padding: 22px 24px;
    background: #E8E8E8;
    border-radius: 15px;
}

.price_calc_result span {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 16px;
    line-height: 130%;
    color: #000000;
}

.price_calc_result strong {
    display: block;
    font-weight: 600;
    font-size: 24px;
    line-height: 130%;
    color: #000000;
}


/* ========================================================================== */


/* Install */


/* ========================================================================== */

.install_block {
    padding: 90px 0;
    background: #FFFFFF;
}

.install {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 80px;
}

.install_left {
    min-height: 792px;
    display: flex;
    flex: 0 0 485px;
    flex-direction: column;
}

.install_left h2 {
    margin-bottom: 34px;
}

.install_subtitle {
    margin-bottom: 44px;
    font-size: 18px;
    line-height: 130%;
    color: #000000;
}

.install_text {
    max-width: 423px;
}

.install_text_bottom {
    margin-top: auto;
}

.install_steps {
    flex: 0 1 650px;
    padding-top: 4px;
}

.install_step {
    display: flex;
    align-items: center;
    gap: 45px;
    padding: 35px 55px 35px 65px;
    border-bottom: 1px solid #C0D2BD;
}

.install_step:nth-child(1) {
    padding-top: 0;
}

.install_step:last-child {
    border-bottom: none;
}

.install_step+.install_step {
    padding-top: 34px;
}

.install_step span {
    font-weight: 500;
    font-size: 18px;
    line-height: 130%;
    white-space: nowrap;
    color: #C0D2BD;
}

.install_step p {
    width: 100%;
    max-width: 260px;
    margin-left: auto;
    font-size: 14px;
    line-height: 130%;
    text-align: start;
    color: #000000;
}


/* ========================================================================== */


/* Media: <= 1200px */


/* ========================================================================== */

@media (max-width: 1200px) {
    .catalog_menu {
        width: calc(100vw - 32px);
    }
    .catalog_menu_inner {
        grid-template-columns: repeat(3, minmax(180px, 1fr));
    }
    .catalog_preview {
        grid-column: 1 / -1;
        min-height: auto;
    }
    .types_of_ceilings_content {
        grid-template-columns: repeat(3, 1fr);
    }
    .ceiling_type_card:nth-child(n) {
        grid-column: auto;
        grid-row: auto;
    }
    .which_choice_content {
        column-gap: 16px;
    }
    .choice_item {
        flex-basis: calc((100% - 32px) / 3);
    }
    .choice_review {
        padding: 30px 22px;
    }
    .choice_review_head {
        gap: 16px;
    }
    .choice_review_head img {
        flex-basis: 64px;
        width: 64px;
        height: 64px;
    }
    .price_factors_lists {
        gap: 40px;
    }
    .price_tariffs {
        grid-template-columns: repeat(2, 1fr);
    }
    .price_bottom {
        grid-template-columns: 1fr;
    }
    .price_calc {
        max-width: 100%;
    }
    .install {
        gap: 50px;
    }
    .install_left {
        flex-basis: 380px;
    }
    .install_step {
        gap: 50px;
    }
}


/* ========================================================================== */


/* Media: <= 768px */


/* ========================================================================== */

@media (max-width: 768px) {
    .catalog_dropdown {
        position: relative;
        width: 100%;
    }
    .catalog_toggle {
        width: 100%;
        justify-content: center;
    }
    .catalog_menu {
        position: static;
        width: 100%;
        margin-top: 15px;
        transform: none;
    }
    .catalog_dropdown.is_open .catalog_menu {
        transform: none;
    }
    .catalog_menu::before {
        display: none;
    }
    .catalog_menu_inner {
        grid-template-columns: 1fr;
        padding: 20px;
        border-radius: 18px;
    }
    .catalog_col a,
    .catalog_title {
        white-space: normal;
    }
    .types_of_ceilings_block {
        padding: 36px 0;
    }
    .types_of_ceilings h2 {
        margin-bottom: 18px;
        font-size: 26px;
        line-height: 130%;
    }
    .types_of_ceilings h2 em {
        font-size: 34px;
    }
    .types_of_ceilings_content {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 16px;
        row-gap: 18px;
    }
    .ceiling_type_card {
        gap: 10px;
    }
    .ceiling_type_img {
        border-radius: 12px;
    }
    .ceiling_type_card span {
        font-size: 14px;
    }
    .which_choice_content {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .choice_item {
        order: var(--m-order);
        flex: none;
        width: 100%;
    }
    .choice_text {
        min-height: auto;
    }
    .choice_text h3 {
        margin-bottom: 16px;
        font-size: 18px;
    }
    .choice_text p {
        max-width: none;
        font-size: 14px;
    }
    .choice_text a {
        margin-top: 18px;
        font-size: 14px;
    }
    .choice_image {
        height: auto;
        aspect-ratio: 428 / 300;
        border-radius: 14px;
    }
    .choice_review {
        min-height: auto;
        padding: 22px;
        border-radius: 14px;
    }
    .choice_review_head {
        gap: 14px;
    }
    .choice_review_head img {
        flex-basis: 54px;
        width: 54px;
        height: 54px;
    }
    .choice_review_head h3 {
        margin-bottom: 4px;
        font-size: 15px;
    }
    .choice_review_head span {
        font-size: 12px;
    }
    .choice_review>p {
        max-width: none;
        margin-top: 22px;
        font-size: 13px;
    }
    .choice_divider {
        order: var(--m-order);
        margin: 14px 0;
    }
    .choice_block {
        padding: 45px 0 55px;
    }
    .price_factors {
        margin-top: 35px;
    }
    .price_factors_lists {
        display: block;
    }
    .price_factors_lists ul {
        width: 100%;
    }
    .price_factors_lists ul+ul {
        margin-top: -40px;
    }
    .price_tariffs {
        grid-template-columns: 1fr;
        margin-top: 35px;
    }
    .price_tariff_head {
        min-height: auto;
        padding: 24px 20px;
    }
    .price_tariff_body {
        padding: 24px 16px;
    }
    .price_bottom {
        margin-top: 40px;
        gap: 28px;
    }
    .price_calc {
        padding: 28px 18px;
        border-radius: 18px;
    }
    .price_area_row {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }
    .price_area_row input[type="range"] {
        width: 100%;
    }
    .price_calc_bottom {
        margin-top: 35px;
        flex-direction: column;
        align-items: stretch;
    }
    .price_calc_actions {
        order: 2;
    }
    .price_calc_actions button,
    .price_calc_result {
        width: 100%;
    }
    .price_calc_result {
        order: 1;
    }
    .install_block {
        padding: 45px 0;
    }
    .install {
        flex-direction: column;
        gap: 36px;
    }
    .install_left {
        width: 100%;
        min-height: auto;
        flex: none;
    }
    .install_left h2 {
        margin-bottom: 22px;
        font-size: 32px;
    }
    .install_left h2 em {
        font-size: 42px;
    }
    .install_subtitle {
        margin-bottom: 28px;
        font-size: 16px;
    }
    .install_text_bottom {
        margin-top: 28px;
    }
    .install_steps {
        width: 100%;
        flex: none;
        padding-top: 0;
    }
    .install_step {
        min-height: auto;
        gap: 20px;
        padding: 0 0 22px;
    }
    .install_step+.install_step {
        padding-top: 22px;
    }
    .install_step p {
        max-width: none;
        margin-left: 0;
    }
}


/* ========================================================================== */


/* Media: <= 360px */


/* ========================================================================== */

@media (max-width: 360px) {
    .types_of_ceilings_content {
        column-gap: 12px;
    }
}


/* Why Arvika */

.why_arvika_block {
    padding: 80px 0 70px;
    background: #F4F4F4;
}

.why_arvika_advantages {
    margin-top: 80px;
}

.why_arvika_advantages>p {
    margin-bottom: 45px;
    font-size: 18px;
    line-height: 130%;
}

.why_arvika_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    column-gap: 45px;
    row-gap: 65px;
}

.why_arvika_item {
    display: flex;
    align-items: center;
    gap: 26px;
}

.why_arvika_icon {
    flex: 0 0 70px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #BCB5AF;
    background-image: var(--icon);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 40px 40px;
}

.why_arvika_item p {
    max-width: 210px;
    font-weight: 500;
    font-size: 16px;
    line-height: 130%;
}


/* Partners */

.partners_block {
    padding: 90px 0;
    background: #FFFFFF;
}

.partners {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 80px;
}

.partners_left {
    flex: 0 0 540px;
}

.partners_left h2 {
    margin-bottom: 34px;
}

.partners_left h2 em {
    font-size: 60px;
    line-height: 100%;
    font-weight: 400;
}

.partners_left .p14 {
    max-width: 534px;
}

.partners_buttons {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 48px;
}

.btn_dark {
    min-width: 186px;
    background: #7F7470;
    color: #FFFFFF;
    transition: background 0.25s ease;
}

.btn_dark:hover {
    background: #60534B;
}


/* reset for reused adv_right */

.partners_right {
    flex: 0 0 470px;
}

.partners_right>p {
    margin-bottom: 28px;
    font-size: 18px;
    line-height: 130%;
}

.partners_right ul {
    margin: 0;
    gap: 20px;
}

.partners_right ul li {
    gap: 30px;
    font-size: 16px;
    line-height: 130%;
}


/* Besides */

.besides_block {
    padding: 80px 0 95px;
    background: #F4F4F4;
}

.besides {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.besides_left {
    flex: 0 0 423px;
}

.besides_left h2 {
    margin-bottom: 28px;
}

.besides_left h2 em {
    font-size: 60px;
    line-height: 100%;
    font-weight: 400;
}

.besides_subtitle {
    max-width: 427px;
    margin-bottom: 42px;
    font-size: 18px;
    line-height: 130%;
}

.besides_left .p14 {
    max-width: 423px;
}

.besides_left .p14+.p14 {
    margin-top: 42px;
}

.besides_cards {
    flex: 0 0 878px;
    min-height: 466px;
    display: grid;
    grid-template-columns: repeat(4, 203px);
    grid-template-rows: repeat(4, 100px);
    column-gap: 22px;
    row-gap: 22px;
    padding-top: 0;
}

.besides_card {
    width: 203px;
    height: 100px;
    padding: 25px 24px;
    display: flex;
    align-items: center;
    border-radius: 20px;
}

.besides_card p {
    max-width: 160px;
    font-size: 14px;
    line-height: 130%;
}

.besides_card_fill {
    background: #BCB5AF;
}

.besides_card_white {
    background: #FFFFFF;
}

.besides_card_border {
    background: transparent;
    border: 2px solid #BCB5AF;
}


/* Раскладка карточек как в макете */

.besides_card:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}

.besides_card:nth-child(2) {
    grid-column: 3;
    grid-row: 1;
}

.besides_card:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
}

.besides_card:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

.besides_card:nth-child(5) {
    grid-column: 4;
    grid-row: 2;
}

.besides_card:nth-child(6) {
    grid-column: 3;
    grid-row: 3;
}

.besides_card:nth-child(7) {
    grid-column: 2;
    grid-row: 4;
}

.besides_card:nth-child(8) {
    grid-column: 4;
    grid-row: 4;
}


/* Motion and hover states */

.btn,
.btn_dark,
.catalog_toggle,
.catalog_col a,
.catalog_preview a,
.choice_card,
.ceiling_type_card,
.choice_text a,
.price_tariff_card,
.price_calc_actions button,
.price_calc_actions a,
.install_step,
.why_arvika_item,
.partners_logo,
.besides_card,
.faq_question,
.faq_cta a,
.footer_catalog a,
.footer_nav a,
.footer_contacts a,
.footer_bottom a {
    transition: color 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease, filter 0.22s ease, text-underline-offset 0.22s ease;
}

.btn:hover {
    background: #F4F4F4;
    color: #60534B;
    box-shadow: 0 10px 30px rgba(5, 9, 22, 0.08);
}

.btn_dark:hover,
.price_calc_actions button:hover {
    background: #60534B;
}

.hero_img_one img,
.hero_img_two img,
.ceiling_type_img img,
.choice_image img {
    transition: transform 0.5s ease;
}

.hero_img_one:hover img,
.hero_img_two:hover img {
    transform: scale(1.025);
}

.choice_card:hover,
.price_tariff_card:hover,
.besides_card:hover,
.choice_review:hover,
.partners_right:hover,
.price_calc:hover {
    box-shadow: 0 18px 45px rgba(5, 9, 22, 0.08);
}

.why_arvika_item:hover .why_arvika_icon {
    filter: brightness(0.96);
}

.choice_text a:hover,
.price_calc_actions a:hover,
.faq_cta a:hover {
    text-underline-offset: 7px;
}

@media (prefers-reduced-motion: no-preference) {
    .js-enabled .reveal_item {
        opacity: 0;
        transform: translate3d(0, 22px, 0);
        transition: opacity 0.52s ease, transform 0.52s ease;
        transition-delay: var(--reveal-delay, 0ms);
        will-change: opacity, transform;
    }
    .js-enabled .reveal_item.is_visible {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
    .js-enabled .hero_title h1.reveal_item,
    .js-enabled .hero_title>p.reveal_item,
    .js-enabled .hero_bottom_left.reveal_item,
    .js-enabled .hero_bottom_right.reveal_item,
    .js-enabled .adv_content .reveal_item {
        transform: translate3d(0, 18px, 0);
    }
    .js-enabled .hero_img_one.reveal_item,
    .js-enabled .hero_img_two.reveal_item {
        transform: translate3d(0, 14px, 0) scale(0.985);
    }
    .js-enabled .hero_img_one.reveal_item.is_visible,
    .js-enabled .hero_img_two.reveal_item.is_visible {
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* Media */

@media (max-width: 1200px) {
    .why_arvika_grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 30px;
    }
    .partners {
        gap: 50px;
    }
    .partners_left {
        flex-basis: 480px;
    }
    .partners_right {
        flex-basis: 430px;
    }
    .besides {
        flex-direction: column;
        gap: 42px;
    }
    .besides_left {
        flex: none;
        width: 100%;
    }
    .besides_cards {
        width: 100%;
        max-width: 878px;
        flex: none;
    }
}

@media (max-width: 768px) {
    .why_arvika_block,
    .partners_block,
    .besides_block {
        padding: 45px 0;
    }
    .why_arvika_advantages {
        margin-top: 36px;
    }
    .why_arvika_advantages>p {
        margin-bottom: 28px;
        font-size: 16px;
    }
    .why_arvika_grid {
        grid-template-columns: 1fr;
        row-gap: 22px;
    }
    .why_arvika_item {
        gap: 18px;
    }
    .why_arvika_icon {
        flex-basis: 54px;
        width: 54px;
        height: 54px;
        background-size: 30px 30px;
    }
    .why_arvika_item p {
        max-width: none;
        font-size: 14px;
    }
    .partners {
        flex-direction: column;
        gap: 34px;
    }
    .partners_left,
    .partners_right {
        flex: none;
        width: 100%;
    }
    .partners_left h2 {
        margin-bottom: 24px;
    }
    .partners_left h2 em,
    .besides_left h2 em {
        font-size: 42px;
    }
    .partners_buttons {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        margin-top: 30px;
    }
    .btn_dark {
        width: 100%;
    }
    .partners_right ul li {
        align-items: flex-start;
        gap: 18px;
        font-size: 14px;
    }
    .besides_block {
        padding: 45px 0;
    }
    .besides {
        gap: 32px;
    }
    .besides_left {
        flex: none;
    }
    .besides_left h2 {
        margin-bottom: 20px;
    }
    .besides_left h2 em {
        font-size: 42px;
    }
    .besides_subtitle {
        margin-bottom: 26px;
        font-size: 16px;
    }
    .besides_left .p14+.p14 {
        margin-top: 24px;
    }
    .besides_cards {
        min-height: auto;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
        gap: 14px;
    }
    .besides_card:nth-child(n) {
        grid-column: auto;
        grid-row: auto;
    }
    .besides_card {
        width: 100%;
        height: 92px;
        padding: 18px;
        border-radius: 16px;
    }
    .besides_card p {
        font-size: 13px;
    }
}

@media (max-width: 420px) {
    .besides_cards {
        grid-template-columns: 1fr;
    }
}


/* FAQ + footer */

.faq_footer_block {
    padding: 80px 0 55px;
    background: #FFFFFF;
}

.faq_footer {
    display: flex;
    flex-direction: column;
}

.faq {
    display: grid;
    grid-template-columns: 320px 1fr;
    column-gap: 127px;
}

.faq h2 {
    padding-top: 15px;
}

.faq h2 em {
    font-size: 60px;
    line-height: 100%;
    font-weight: 400;
}

.faq_list {
    width: 100%;
}

.faq_item {
    border-bottom: 1px solid #EFEFEF;
}

.faq_question {
    width: 100%;
    min-height: 80px;
    display: grid;
    grid-template-columns: 42px 1fr 25px;
    align-items: center;
    gap: 22px;
    padding: 0;
    background: transparent;
    text-align: left;
}

.faq_num {
    font-weight: 500;
    font-size: 18px;
    line-height: 130%;
    color: #BCB5AF;
}

.faq_title {
    font-weight: 600;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
}

.faq_icon {
    position: relative;
    width: 25px;
    height: 25px;
}

.faq_icon::before,
.faq_icon::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 25px;
    height: 1.5px;
    background: #BCB5AF;
    transition: transform 0.28s ease, opacity 0.28s ease;
}

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

.faq_item.is_open .faq_icon::before {
    transform: rotate(45deg);
}

.faq_item.is_open .faq_icon::after {
    transform: rotate(-45deg);
}

.faq_answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.38s ease, opacity 0.25s ease;
}

.faq_item.is_open .faq_answer {
    opacity: 1;
}

.faq_answer_inner {
    padding: 0 80px 40px 64px;
}

.faq_answer_inner .p14 {
    max-width: 648px;
}

.faq_cta {
    grid-column: 2;
    min-height: 91px;
    margin-top: 40px;
    padding: 28px 112px;
    display: flex;
    align-items: center;
    gap: 55px;
    background: #BCB5AF;
    border-radius: 20px;
}

.faq_cta span,
.faq_cta a {
    font-weight: 600;
    font-size: 16px;
    line-height: 130%;
    color: #FFFFFF;
}

.faq_cta a {
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: text-underline-offset 0.25s ease;
}

.faq_cta a:hover {
    text-underline-offset: 7px;
}


/* Partners logos */

.partners_logos {
    height: 98px;
    margin-top: 80px;
    padding: 16px 31px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 35px;
    overflow: hidden;
    background: #F4F4F4;
    border-radius: 20px;
}

.partners_logo {
    height: 66px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners_logo img {
    max-width: 265px;
    max-height: 66px;
    display: block;
    object-fit: contain;
}

.partners_logo_medium img {
    max-width: 134px;
}

.partners_logo_small img {
    max-width: 87px;
}


/* Footer */

footer {
    padding: 86px 0 70px;
}

.footer_top {
    display: grid;
    grid-template-columns: 250px 355px 180px 1fr;
    align-items: start;
    gap: 85px;
}

.footer_logo {
    font-weight: 500;
    font-size: 44px;
    line-height: 60%;
    color: #000000;
}

.footer_catalog p,
.footer_nav p {
    margin-bottom: 18px;
    font-size: 16px;
    line-height: 130%;
}

.footer_links_grid {
    display: grid;
    grid-template-columns: repeat(2, 130px);
    gap: 93px;
}

.footer_catalog a,
.footer_nav a {
    display: block;
    width: fit-content;
    font-weight: 500;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
    transition: color 0.25s ease;
}

.footer_catalog a+a,
.footer_nav a+a {
    margin-top: 8px;
}

.footer_catalog a:hover,
.footer_nav a:hover,
.footer_contacts a:hover,
.footer_bottom a:hover {
    color: #60534B;
}

.footer_contacts {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.footer_phone {
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 30px;
    line-height: 130%;
    color: #000000;
}

.footer_mail {
    font-weight: 500;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
}

.footer_bottom {
    margin-top: 105px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer_bottom a {
    display: block;
    width: fit-content;
    font-size: 12px;
    line-height: 130%;
    color: rgba(0, 0, 0, 0.5);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.25s ease;
}

.footer_bottom div {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 14px;
}


/* Media */

@media (max-width: 1200px) {
    .faq {
        grid-template-columns: 280px 1fr;
        column-gap: 60px;
    }
    .faq_cta {
        padding: 28px 70px;
    }
    .partners_logos {
        gap: 24px;
        overflow-x: auto;
        justify-content: flex-start;
    }
    .partners_logo {
        flex: 0 0 auto;
    }
    .footer_top {
        grid-template-columns: 220px 1fr 160px;
        gap: 50px;
    }
    .footer_contacts {
        grid-column: 1 / -1;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .faq_footer_block {
        padding: 45px 0;
    }
    .faq {
        display: block;
    }
    .faq h2 {
        padding-top: 0;
        margin-bottom: 28px;
        font-size: 32px;
    }
    .faq h2 em {
        font-size: 42px;
    }
    .faq_question {
        min-height: 72px;
        grid-template-columns: 36px 1fr 22px;
        gap: 14px;
    }
    .faq_num {
        font-size: 16px;
    }
    .faq_title {
        font-size: 13px;
    }
    .faq_icon,
    .faq_icon::before,
    .faq_icon::after {
        width: 22px;
    }
    .faq_answer_inner {
        padding: 0 0 28px 50px;
    }
    .faq_cta {
        min-height: auto;
        margin-top: 28px;
        padding: 24px;
        justify-content: center;
        gap: 28px;
    }
    .partners_logos {
        height: 82px;
        margin-top: 48px;
        padding: 12px 20px;
        border-radius: 16px;
    }
    .partners_logo {
        height: 56px;
    }
    .partners_logo img {
        max-height: 56px;
    }
    .site_footer {
        padding-top: 55px;
    }
    .footer_top {
        grid-template-columns: 1fr;
        gap: 34px;
    }
    .footer_logo {
        font-size: 38px;
    }
    .footer_links_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px;
    }
    .footer_contacts {
        align-items: flex-start;
    }
    .footer_phone {
        font-size: 24px;
    }
    .footer_bottom {
        margin-top: 55px;
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    .footer_bottom div {
        align-items: flex-start;
    }
}

@media (max-width: 420px) {
    .faq_cta {
        flex-direction: column;
        gap: 10px;
    }
    .footer_links_grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}


/* ========================================================================== */


/* Global fixes: menu, catalog dropdown, modal, button states */


/* ========================================================================== */

.header {
    position: relative;
}

.catalog_menu::before {
    display: none;
}

.catalog_menu {
    left: 50%;
    width: min(1320px, calc(100vw - 64px));
}

.catalog_menu_inner {
    overflow: hidden;
}

.header_burger {
    display: none;
}

body.is_menu_locked,
body.is_modal_locked {
    overflow: hidden;
}

.btn,
.btn_dark,
.project_form_btn,
.price_calc_actions button,
.profile_brand_order_btn,
.brand_order_button .btn,
.contractors_form_btn,
.catalog_load_more,
.site_modal_submit {
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.btn:hover,
.brand_order_button .btn:hover {
    background: #BCB5AF;
    color: #FFFFFF;
    box-shadow: inset 0 0 0 2px #FFFFFF;
}

.btn_dark:hover,
.project_form_btn:hover,
.price_calc_actions button:hover,
.profile_brand_order_btn:hover,
.contractors_form_btn:hover,
.site_modal_submit:hover {
    background: #665C58;
    color: #FFFFFF;
    box-shadow: 0 10px 26px rgba(96, 83, 75, 0.16);
}

.catalog_load_more:hover {
    color: #60534B;
}


/* Modal */

.site_modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.site_modal.is_open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site_modal_overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(2px);
}

.site_modal_dialog {
    position: relative;
    width: min(695px, 100%);
    padding: 39px 43px 27px;
    background: #F6F8F6;
    border-radius: 20px;
    transform: translateY(14px) scale(0.98);
    transition: transform 0.28s ease;
}

.site_modal.is_open .site_modal_dialog {
    transform: translateY(0) scale(1);
}

.site_modal_close {
    position: absolute;
    top: 14px;
    right: 22px;
    width: 25px;
    height: 25px;
    background: transparent;
}

.site_modal_close::before,
.site_modal_close::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 25px;
    height: 1.5px;
    background: #D8D8D8;
    transition: background 0.25s ease;
}

.site_modal_close::before {
    transform: rotate(45deg);
}

.site_modal_close::after {
    transform: rotate(-45deg);
}

.site_modal_close:hover::before,
.site_modal_close:hover::after {
    background: #60534B;
}

.site_modal h2 {
    margin-bottom: 26px;
    font-weight: 400;
    font-size: 36px;
    line-height: 130%;
    letter-spacing: -0.05em;
    text-align: center;
}

.site_modal_form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.site_modal_field {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 4px;
}

.site_modal_field+.site_modal_field {
    margin-top: 22px;
}

.site_modal_field span {
    padding-left: 11px;
    font-weight: 600;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
}

.site_modal_field input,
.site_modal_field textarea {
    width: 100%;
    height: 36px;
    padding: 0 11px 9px;
    border: none;
    border-bottom: 1px solid #D2D2D2;
    border-radius: 0;
    outline: none;
    background: transparent;
    resize: vertical;
    font-weight: 400;
    font-size: 14px;
    line-height: 130%;
    color: #000000;
    transition: border-color 0.25s ease;
}

.site_modal_field input:focus,
.site_modal_field textarea:focus {
    border-bottom-color: #7F7470;
}

.site_modal_question_field {
    display: none;
}

.site_modal.is_question .site_modal_email_field {
    display: none;
}

.site_modal.is_question .site_modal_question_field {
    display: flex;
}

.site_modal_submit {
    width: 186px;
    height: 47px;
    margin-top: 36px;
    padding: 13px 47px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #7F7470;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    line-height: 130%;
    color: #FFFFFF;
}

.site_modal_policy {
    width: 100%;
    margin-top: 28px;
    font-size: 12px;
    line-height: 130%;
    color: #333333;
}

.site_modal_policy a {
    color: #333333;
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 768px) {
    header {
        padding: 0;
    }
    header .container {
        width: 100%;
        max-width: none;
        padding: 0 21px;
    }
    .header {
        min-height: 84px;
    }
    .header>a {
        position: relative;
        z-index: 3;
    }
    .header>a img {
        width: 179px;
        height: auto;
        display: block;
    }
    .header_right_menu {
        display: none;
    }
    .header_burger {
        position: relative;
        z-index: 3;
        width: 33px;
        height: 23px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 0;
        background: transparent;
    }
    .header_burger span {
        width: 33px;
        height: 3px;
        display: block;
        background: #FFFFFF;
        border-radius: 4px;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }
    header.is_mobile_menu_open .header_burger span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    header.is_mobile_menu_open .header_burger span:nth-child(2) {
        opacity: 0;
    }
    header.is_mobile_menu_open .header_burger span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
    .header_menu {
        position: absolute;
        left: 50%;
        top: 100%;
        z-index: 2;
        width: min(390px, 100vw);
        min-height: 466px;
        padding: 45px 21px 50px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 22px;
        background: #FFFFFF;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateX(-50%) translateY(-8px);
        transition: opacity 0.26s ease, transform 0.26s ease, visibility 0.26s ease;
        box-shadow: 0 30px 70px rgba(5, 9, 22, 0.10);
    }
    header.is_mobile_menu_open .header_menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }
    .header_menu>a,
    .catalog_toggle {
        font-size: 16px;
        line-height: 130%;
        color: #60534B;
    }
    .catalog_dropdown {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .catalog_toggle {
        width: auto;
        justify-content: center;
    }
    .catalog_menu {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        max-height: 0;
        margin-top: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        pointer-events: none;
        transform: none;
        transition: max-height 0.32s ease, opacity 0.24s ease, margin-top 0.24s ease, visibility 0.24s ease;
    }
    .catalog_dropdown.is_open .catalog_menu {
        max-height: 680px;
        margin-top: 12px;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }
    .catalog_menu_inner {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 18px;
        border-radius: 18px;
        box-shadow: none;
        background: #F6F6F6;
    }
    .catalog_col {
        gap: 5px;
        align-items: center;
    }
    .catalog_title {
        margin-bottom: 2px;
        font-size: 13px;
        text-align: center;
    }
    .catalog_col a {
        padding: 4px 0;
        font-size: 13px;
        text-align: center;
        white-space: normal;
    }
    .catalog_preview {
        min-height: auto;
        padding: 16px;
        align-items: center;
        text-align: center;
        border-radius: 14px;
    }
    .catalog_preview p {
        margin: 12px 0;
        font-size: 13px;
    }
    .site_modal {
        align-items: flex-start;
        overflow-y: auto;
        padding: 16px;
    }
    .site_modal_dialog {
        margin: 32px 0;
        padding: 36px 22px 24px;
        border-radius: 18px;
    }
    .site_modal_close {
        right: 16px;
    }
    .site_modal h2 {
        font-size: 28px;
    }
    .site_modal_submit {
        width: 100%;
        max-width: 220px;
    }
}


/* ========================================================================== */


/* Home responsive and mobile menu fixes */


/* ========================================================================== */

header {
    top: 0;
}

.header {
    position: relative;
}

.home_page {
    overflow-x: hidden;
}

.home_page img {
    max-width: 100%;
    height: auto;
}

.home_page .container {
    width: min(calc(100% - 40px), 1320px);
    max-width: 1320px;
}

.home_page h1 {
    font-size: clamp(38px, 3.6vw, 50px);
}

.home_page h2 {
    font-size: clamp(34px, 3.1vw, 42px);
}

.home_page h2 em {
    font-size: clamp(46px, 4.4vw, 60px);
}

.home_page .hero_block h1 em {
    font-size: clamp(50px, 5vw, 70px);
}

.home_page .hero_title {
    flex: 1 1 560px;
    min-width: 0;
}

.home_page .hero_img {
    flex: 0 1 680px;
    min-width: 0;
    justify-content: flex-end;
}

.home_page .hero_img_one {
    width: clamp(220px, 22vw, 306px);
    right: clamp(-90px, -6vw, -38px);
}

.home_page .hero_img_two {
    width: clamp(280px, 29vw, 375px);
}

.home_page .hero_img div img,
.home_page .ceiling_type_img img,
.home_page .choice_image img {
    display: block;
    object-fit: cover;
}

.home_page .hero_img div img {
    height: 100%;
}

@media (max-width: 1320px) {
    .home_page .hero_block_content {
        align-items: center;
    }
    .home_page .hero_img {
        flex-basis: 560px;
    }
    .home_page .adv_content,
    .home_page .install,
    .home_page .partners {
        gap: 50px;
    }
}

@media (max-width: 1100px) {
    .home_page .hero_block_content,
    .home_page .adv_content,
    .home_page .title_flex,
    .home_page .install,
    .home_page .partners {
        flex-direction: column;
    }
    .home_page .hero_title,
    .home_page .adv_left,
    .home_page .adv_right,
    .home_page .partners_left,
    .home_page .partners_right {
        width: 100%;
        max-width: none;
        flex: none;
    }
    .home_page .hero_img {
        width: min(100%, 680px);
        flex: none;
        align-self: center;
        justify-content: center;
    }
    .home_page .title_flex {
        gap: 24px;
    }
    .home_page .title_flex p.p14 {
        max-width: none;
    }
    .home_page .price_bottom {
        grid-template-columns: 1fr;
    }
    .home_page .price_calc {
        max-width: 650px;
    }
}

@media (max-width: 900px) {
    .home_page .container {
        width: calc(100% - 42px);
    }
    .home_page h1,
    .home_page h2 {
        font-size: 30px;
    }
    .home_page h2 em,
    .home_page .partners_left h2 em,
    .home_page .besides_left h2 em,
    .home_page .install_left h2 em {
        font-size: 40px;
        line-height: 100%;
    }
    .home_page .hero_block {
        padding: 26px 0 34px;
        background-size: cover;
    }
    .home_page .hero_block_content {
        gap: 26px;
    }
    .home_page .hero_block h1 {
        margin: 0 0 18px;
        font-size: 30px;
        line-height: 130%;
    }
    .home_page .hero_block h1 em {
        display: block;
        font-size: 40px;
        line-height: 100%;
    }
    .home_page .hero_title p {
        max-width: 305px;
        font-size: 16px;
    }
    .home_page .hero_img {
        width: min(100%, 362px);
        min-height: 321px;
        align-items: center;
    }
    .home_page .hero_img_one {
        width: 52%;
        right: -15%;
    }
    .home_page .hero_img_two {
        width: 64%;
    }
    .home_page .hero_bottom {
        top: 0;
        padding: 36px 0;
    }
    .home_page .hero_bottom_content {
        display: block;
        max-width: none;
    }
    .home_page .hero_bottom_content div {
        width: 100%;
    }
    .home_page .hero_bottom_left span {
        max-width: 348px;
        margin-top: 10px;
        font-size: 30px;
        line-height: 94%;
    }
    .home_page .hero_bottom_right {
        margin-top: 18px;
    }
    .home_page .advantages_block,
    .home_page .choice_block,
    .home_page .types_of_ceilings_block,
    .home_page .which_choice_block,
    .home_page .install_block,
    .home_page .why_arvika_block,
    .home_page .partners_block,
    .home_page .besides_block,
    .home_page .faq_footer_block {
        padding: 45px 0;
    }
    .home_page .adv_content {
        gap: 34px;
    }
    .home_page .adv_left h2,
    .home_page .title_left h2,
    .home_page .which_choice h2,
    .home_page .install_left h2,
    .home_page .partners_left h2,
    .home_page .besides_left h2 {
        margin-bottom: 18px;
    }
    .home_page .adv_left .p14 {
        margin-top: 24px;
    }
    .home_page .adv_right p b {
        margin-left: 0;
    }
    .home_page .adv_right ul {
        gap: 14px;
        margin: 24px 0 28px;
    }
    .home_page .adv_right ul li {
        align-items: flex-start;
        gap: 18px;
        font-size: 16px;
        line-height: 130%;
    }
    .home_page .choice_content {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 24px 0 30px;
    }
    .home_page .choice_card {
        min-height: 150px;
        padding: 22px 15px;
        flex: none;
        flex-direction: row;
        align-items: center;
        gap: 18px;
    }
    .home_page .choice_card span {
        width: auto;
        flex: 0 0 86px;
        font-size: 60px;
        text-align: right;
    }
    .home_page .choice_card p {
        font-size: 17px;
    }
    .home_page .types_of_ceilings_content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px 16px;
    }
    .home_page .which_choice_content {
        margin-top: 28px;
    }
    .home_page .choice_divider {
        margin: 12px 0;
    }
    .home_page .price_factors_lists ul+ul {
        margin-top: 18px;
    }
    .home_page .price_factors_lists ul li {
        gap: 18px;
    }
    .home_page .price_tariffs {
        grid-template-columns: 1fr;
    }
    .home_page .price_calc {
        max-width: none;
    }
    .home_page .install_left {
        flex-basis: auto;
    }
    .home_page .install_text_bottom {
        margin-top: 24px;
    }
    .home_page .install_step {
        align-items: flex-start;
        padding: 10 0 12px;
        gap: 18px;
    }
    .choice_block .title_flex {
        margin-bottom: 20px;
    }
    .home_page .install_step p {
        margin-left: 0;
    }
    .home_page .why_arvika_grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .home_page .partners_buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }
    .home_page .btn_dark {
        width: 100%;
    }
    .home_page .besides_cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
        gap: 14px;
    }
    .home_page .besides_card:nth-child(n) {
        grid-column: auto;
        grid-row: auto;
    }
    .home_page .besides_card {
        width: 100%;
        height: auto;
        min-height: 92px;
        padding: 18px;
    }
    .home_page .faq {
        display: block;
    }
    .home_page .faq h2 {
        margin-bottom: 24px;
    }
    .home_page .footer_top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        position: sticky;
        top: 0;
        overflow: visible;
    }
    header .container {
        width: 100%;
    }
    .header {
        position: static;
    }
    .header_menu {
        position: fixed;
        left: 50%;
        top: 84px;
        z-index: 120;
        width: min(390px, 100vw);
        height: min(466px, calc(100dvh - 84px));
        min-height: 0;
        overflow-y: auto;
    }
    header.is_mobile_menu_open .header_menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }
    header.is_mobile_menu_open .header_burger span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    header.is_mobile_menu_open .header_burger span:nth-child(2) {
        opacity: 0;
    }
    header.is_mobile_menu_open .header_burger span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
    header.is_mobile_menu_open::after {
        content: "";
        position: fixed;
        inset: 84px 0 0;
        z-index: 110;
        background: rgba(0, 0, 0, 0.28);
    }
    header.is_mobile_menu_open .catalog_menu {
        box-shadow: none;
    }
}

@media (max-width: 520px) {
    .home_page .container {
        width: calc(100% - 42px);
    }
    .home_page .types_of_ceilings_content {
        gap: 14px;
    }
    .home_page .ceiling_type_img {
        border-radius: 12px;
    }
    .home_page .price_calc_bottom {
        gap: 18px;
    }
    .home_page .price_area_value {
        gap: 12px;
    }
    .home_page .besides_cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 380px) {
    .home_page .container {
        width: calc(100% - 28px);
    }
    .home_page .hero_img {
        width: 100%;
    }
    .home_page .types_of_ceilings_content,
    .home_page .besides_cards {
        grid-template-columns: 1fr;
    }
}


/* Additional home overflow guards */

.home_page .hero_title,
.home_page .title_left,
.home_page .adv_left,
.home_page .adv_right,
.home_page .choice_text,
.home_page .price_calc,
.home_page .install_left,
.home_page .install_steps,
.home_page .partners_left,
.home_page .partners_right,
.home_page .besides_left,
.home_page .faq,
.home_page .footer_top>* {
    min-width: 0;
}

.home_page p,
.home_page h1,
.home_page h2,
.home_page h3,
.home_page a,
.home_page span,
.home_page li {
    overflow-wrap: anywhere;
}

@media (max-width: 900px) {
    .home_page .price_tariff_producer,
    .home_page .price_tariff_example strong,
    .home_page .footer_phone {
        overflow-wrap: normal;
        word-break: normal;
    }
}


/* ========================================================================== */


/* Header/catalog responsive correction: tablet burger from 1280px */


/* ========================================================================== */

@media (min-width: 1281px) {
    .header_menu {
        position: static;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }
    .catalog_menu {
        position: fixed;
        top: 84px;
        left: 50%;
        right: auto;
        width: min(1320px, calc(100vw - 64px));
        max-width: calc(100vw - 64px);
        transform: translateX(-50%) translateY(10px);
    }
    .catalog_dropdown.is_open .catalog_menu {
        transform: translateX(-50%) translateY(0);
    }
}

@media (max-width: 1280px) {
    header {
        position: sticky;
        top: 0;
        padding: 0;
        overflow: visible;
    }
    header .container {
        width: 100%;
        max-width: none;
        padding: 0 32px;
    }
    .header {
        position: static;
        min-height: 84px;
        gap: 18px;
        justify-content: flex-start;
    }
    .header>a {
        position: relative;
        z-index: 130;
        flex: 0 0 auto;
        margin-right: auto;
    }
    .header>a img {
        width: 179px;
        height: auto;
        display: block;
    }
    .header_right_menu {
        position: relative;
        z-index: 130;
        display: flex;
        flex: 0 0 auto;
        gap: 18px;
        margin-left: auto;
    }
    .header_right_menu a {
        white-space: nowrap;
        font-size: 18px;
        line-height: 130%;
    }
    .header_right_menu .btn {
        min-width: 168px;
        height: 43px;
        padding: 12px 22px;
        white-space: nowrap;
    }
    .header_burger {
        position: relative;
        z-index: 130;
        width: 33px;
        height: 23px;
        display: flex;
        flex: 0 0 33px;
        flex-direction: column;
        justify-content: space-between;
        padding: 0;
        background: transparent;
    }
    .header_burger span {
        width: 33px;
        height: 3px;
        display: block;
        background: #FFFFFF;
        border-radius: 4px;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }
    header.is_mobile_menu_open .header_burger span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    header.is_mobile_menu_open .header_burger span:nth-child(2) {
        opacity: 0;
    }
    header.is_mobile_menu_open .header_burger span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
    .header_menu {
        position: fixed;
        left: 0;
        right: 0;
        top: 84px;
        z-index: 120;
        width: 100vw;
        max-width: none;
        min-height: 466px;
        max-height: calc(100dvh - 84px);
        padding: 46px 24px 55px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 22px;
        overflow-y: auto;
        background: #FFFFFF;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity 0.26s ease, transform 0.26s ease, visibility 0.26s ease;
        box-shadow: 0 30px 70px rgba(5, 9, 22, 0.10);
    }
    header.is_mobile_menu_open .header_menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }
    header.is_mobile_menu_open::after {
        content: "";
        position: fixed;
        inset: 84px 0 0;
        z-index: 110;
        background: rgba(0, 0, 0, 0.28);
    }
    .header_menu>a,
    .catalog_toggle {
        width: auto;
        justify-content: center;
        font-size: 16px;
        line-height: 130%;
        text-align: center;
        color: #60534B;
    }
    .catalog_dropdown {
        position: relative;
        width: 100%;
        max-width: 960px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .catalog_menu {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        width: 100%;
        max-width: 960px;
        max-height: 0;
        margin-top: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        pointer-events: none;
        transform: none;
        transition: max-height 0.32s ease, opacity 0.24s ease, margin-top 0.24s ease, visibility 0.24s ease;
    }
    .catalog_dropdown.is_open .catalog_menu,
    header.is_mobile_menu_open .catalog_dropdown.is_open .catalog_menu {
        max-height: 760px;
        margin-top: 14px;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }
    .catalog_menu::before {
        display: none;
    }
    .catalog_menu_inner {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        padding: 22px;
        border-radius: 18px;
        background: #F6F6F6;
        box-shadow: none;
    }
    .catalog_preview {
        grid-column: 1 / -1;
        min-height: auto;
        padding: 18px;
        background: #FFFFFF;
    }
    .catalog_col a,
    .catalog_title {
        white-space: normal;
    }
}

@media (max-width: 900px) {
    header .container {
        padding: 0 24px;
    }
    .header_right_menu {
        gap: 14px;
    }
    .header_right_menu a {
        font-size: 16px;
    }
    .header_right_menu .btn {
        min-width: 150px;
        padding: 11px 18px;
        font-size: 14px;
    }
    .catalog_menu_inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    header .container {
        padding: 0 21px;
    }
    .header_right_menu {
        display: none;
    }
    .header_menu {
        min-height: 466px;
        padding-top: 45px;
    }
}

@media (max-width: 420px) {
    .header_menu {
        min-height: min(466px, calc(100dvh - 84px));
    }
}


/* ========================================================================== */


/* Footer + menu final responsive correction */


/* ========================================================================== */

@media (min-width: 1281px) {
    .catalog_menu {
        position: fixed;
        top: 84px;
        left: 50vw;
        right: auto;
        width: min(1120px, calc(100vw - 48px));
        max-width: calc(100vw - 48px);
        transform: translateX(-50%) translateY(10px);
    }
    .catalog_dropdown.is_open .catalog_menu {
        transform: translateX(-50%) translateY(0);
    }
    .catalog_menu_inner {
        grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(220px, 250px);
    }
}

@media (max-width: 1280px) {
    .header_menu {
        left: 0;
        right: auto;
        width: 100vw;
        transform: translateY(-8px);
    }
    header.is_mobile_menu_open .header_menu {
        transform: translateY(0);
    }
    .catalog_dropdown {
        max-width: 100%;
    }
    .catalog_menu {
        width: 100%;
        max-width: 100%;
    }
    .catalog_menu_inner {
        width: 100%;
    }
}

@media (min-width: 681px) and (max-width: 1280px) {
    .header {
        justify-content: flex-start;
    }
    .header_right_menu {
        margin-left: auto;
    }
    .header_burger {
        margin-left: 8px;
    }
}

@media (max-width: 900px) {
    footer {
        padding: 72px 0 46px;
    }
    footer .site_footer,
    .site_footer {
        width: calc(100% - 42px);
        max-width: 390px;
    }
    .footer_top {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .footer_logo {
        order: 1;
        width: fit-content;
        margin: 0 auto 34px;
        font-size: 44px;
        line-height: 60%;
        text-align: center;
    }
    .footer_contacts {
        order: 2;
        margin-bottom: 44px;
        align-items: center;
        text-align: center;
    }
    .footer_phone {
        margin-bottom: 6px;
        font-size: 30px;
        line-height: 130%;
        white-space: nowrap;
    }
    .footer_mail {
        font-size: 14px;
    }
    .footer_catalog {
        order: 3;
        width: 100%;
        margin-bottom: 48px;
    }
    .footer_catalog p,
    .footer_nav p {
        margin-bottom: 18px;
        font-size: 16px;
    }
    .footer_links_grid {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 130px));
        justify-content: space-between;
        gap: 20px;
    }
    .footer_catalog a,
    .footer_nav a {
        font-size: 14px;
        line-height: 130%;
        white-space: nowrap;
    }
    .footer_nav {
        order: 4;
        width: 100%;
    }
    .footer_bottom {
        margin-top: 62px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }
    .footer_bottom>a {
        order: 2;
        margin-top: 48px;
    }
    .footer_bottom div {
        order: 1;
        align-items: flex-start;
        gap: 16px;
    }
    .footer_bottom a {
        font-size: 12px;
        line-height: 130%;
    }
}

@media (max-width: 420px) {
    footer .site_footer,
    .site_footer {
        width: calc(100% - 42px);
        max-width: none;
    }
    .footer_logo {
        font-size: 44px;
    }
    .footer_links_grid {
        grid-template-columns: repeat(2, minmax(0, 130px));
        gap: 20px;
    }
}


/* ========================================================================== */


/* Final mobile menu active state correction */


/* ========================================================================== */

@media (max-width: 1280px) {
    .header_menu a.is_active,
    .designers_body .header_menu a.is_active,
    .contractors_body .header_menu a.is_active,
    .header_menu a:hover,
    .catalog_dropdown.is_open>.catalog_toggle,
    .catalog_dropdown.is_open>.catalog_toggle span {
        color: #000000 !important;
    }
    .header_menu a.is_active {
        font-weight: 600;
    }
}