:root {

    /* Color Scheme */

    --primary-text-color: #434455;
    --title-text-color: #2e2f42;
    --accent-color: #4d5ae5;
    --inverse-text-color: #ffffff;
    --light-background-color: #f4f4fd;
    --corn-text-color: #e7e9fc;
    --active-button-color: #404bbf;
    --theme-grey-color: #8E8F99;
    --theme-green-color: #31D0AA;
    --theme-alter-background: #fcfcfc;
    --theme-dark-color: #000000;

    /* Animation */

    --theme-trnsition-time: 250ms;
    --theme-trnsition-cubic: cubic-bezier(0.4, 0, 0.2, 1);
}

p, h1, h2, h3, h4, h5, h6 {
    margin: 0;
}

a {
    text-decoration: none;
} 

ul, ol {
    margin: 0;
    padding-left: 0;
}

img {
    display: block;
    width: 100%;
    height: auto;
}

body {
    padding: 0;
    margin: 0;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    letter-spacing: 0.02em;
    box-sizing: border-box;
    background-color: var(--inverse-text-color);
    color: var(--primary-text-color);
}

.container {
    width: 1158px;
    padding: 0 15px;
    margin: 0 auto;
    box-sizing: border-box;
}

.section {
    padding: 120px 0;
}

.social-link svg {
    fill: var(--light-background-color);
}

.bg-dark {
    background-color: var(--title-text-color);
}

.bg-light {
    background-color: var(--light-background-color);
}

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

.center {
    text-align: center;
}

.hide {
    display: none;
}

.btn {
    padding: 16px 32px;
    font-family: inherit;
    font-size: 1em;
    font-weight: 500;
    line-height: 1.19em;
    letter-spacing: 0.04em;
    align-items: center;
    border: 1px solid;
    border-color: var(--accent-color);
    border-radius: 4px;
    cursor: pointer;
    color: var(--inverse-text-color);
    background-color: var(--accent-color);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: box-shadow, background-color, border-color;
}
  
.btn:hover,
.btn:focus {
    background-color: var(--active-button-color);
    border-color: var(--active-button-color);
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
                0px 1px 1px rgba(46, 47, 66, 0.16),
                0px 2px 1px rgba(46, 47, 66, 0.08);
}
  
.btn:active {
    background: var(--active-button-color);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
}

.logo {
    font-family: 'Raleway', sans-serif;
    font-size: 1.125em;
    line-height: 1.33em;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-decoration: none;
    text-transform: uppercase;
    color: var(--title-text-color);
}

.page-header {
    box-shadow: 0px 2px 1px rgba(46, 47, 66, 0.08),
                0px 1px 1px rgba(46, 47, 66, 0.16),
                0px 1px 6px rgba(46, 47, 66, 0.08);
}

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

.header-menu {
    display: inherit;
    align-items: center;
}

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

.header-menu .menu .menu-item {
    margin-right: 40px;
    padding: 24px 0;
}

.header-menu .menu .menu-item:last-child,
.header-info li:last-child {
    margin-right: 0;
}

.menu-item.active {
    position: relative;
}

.menu-item.active::after {
    content: ' ';
    position: absolute;
    left: 0;
    bottom: 0;
    right: auto;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background-color: var(--active-button-color);
}

.header-menu .logo {
    margin-right: 77px;
}

.header-info {
    display: flex;
    flex-direction: row;
}

.header-info .info-item {
    margin-right: 40px;
}
.header-info .info-item:last-child {
    margin-right: 0;
}
.logo .logo-web {
    color: var(--accent-color);
}

.menu .menu-item .menu-link {
    line-height: 1.33em;
    font-weight: 700;
    text-decoration: none;
    color: var(--title-text-color);
}

.menu .menu-item .menu-link:hover,
.menu .menu-item .menu-link:focus {
  color: var(--primary-text-color);
}

.menu .menu-item .menu-link:active {
    color: var(--accent-color);
}

.info-item .info-link {
    font-size: 1em;
    line-height: 1.5em;
    font-weight: 400;
    text-decoration: none;
    color: var(--primary-text-color);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: color;
}

.info-item .info-link:hover {
    color: var(--accent-color);
}

.mobile-menu {
    position: fixed;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    overflow: auto;
    padding: 80px 40px 40px;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    box-sizing: border-box;
    transform: translateX(100%);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: transform, opacity;
}

.mobile-menu.is-open {
    background: var(--inverse-text-color);
    transform: translateX(0);
    pointer-events: auto;
    opacity: 1;
}

.mobile-menu .menu .menu-item .menu-link,
.info-item .info-link.link-phone {
    font-size: 2.25em;
    line-height: 1.11em;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: color;
}

.mobile-menu .menu .menu-item .menu-link:hover {
    color: var(--active-button-color);
}

.mobile-menu .menu .menu-item + .menu-item {
    margin-top: 40px;
}

.header-menu-mobile .menu {
    margin-bottom: 40px;
}

.info-item .info-link.link-phone {
    font-weight: 700;
    color: var(--accent-color);
}

.info-item .info-link.link-phone:hover,
.info-item .info-link.link-phone:focus {
    color: var(--title-text-color);
}

.info-item .info-link.link-email {
    font-size: 1.25em;
    line-height: 1.2em;
    font-weight: 500;
    color: var(--primary-text-color);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: color;
}

.info-item .info-link.link-email:hover,
.info-item .info-link.link-email:focus {
    color: var(--active-button-color);
}

.header-info-mobile .info-item + .info-item {
    margin-top: 40px;
}

.mobile-info-wrepper {
    display: flex;
    flex-direction: column;
    row-gap: 48px;
}

.social-icons-list {
    display: flex;
    justify-content: space-between;
}

/* Home page styles */

.solution {
    position: relative;
    padding: 190px 0;
    background: url(../images/office.jpg) center;
    max-width: 1440px;
    margin: 0 auto;
}

.solution::before {
    content: ' ';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: var(--title-text-color);
    opacity: 0.7;
    z-index: 1;
}

.solution > .container {
    position: relative;
    z-index: 2;
}


.solution .solution-title {
    max-width: 492px;
    margin: 0 auto;
    font-size: 3.5em;
    font-weight: 700;
    line-height: 1.07;
    text-align: center;
    color: var(--inverse-text-color);
}

.solution-title + .btn {
    margin-top: 48px;
}

.section-title {
    font-size: 2.25em;
    font-weight: 700;
    line-height: 1.11em;
    color: var(--title-text-color)
}

.title,
.team-name {
    font-size: 1.25em;
    font-weight: 700;
    line-height: 1.2em;
    letter-spacing: 0.02em;
    color: var(--title-text-color);
}

.description,
.team-position,
.footer-description,
.gallery-category {
    font-size: 1em;
    line-height: 1.5em;
    color: var(--primary-text-color);
}

.benefits .benefits-services,
.team,
.gallery-content .list {
    display: flex;
    flex-direction: row;
    gap: 24px;
}

.team .single-team,
.benefits .benefits-services .benefits-services-item {
    flex-basis: calc((100% - 72px) / 4);
}

.benefits-services .title + .description {
    margin-top: 8px;
}

.benefits-services-icon {
    padding: 24px;
    text-align: center;
    border-radius: 4px;
    background-color: var(--light-background-color);
}

.benefits-services-icon .services-icon {
    width: 64px;
    height: 64px;
}

.benefits-services-icon + .title {
    margin-top: 8px;
}


.gallery-content .section-title + .list,
.teammembers-content .section-title + .team {
    margin-top: 72px;
}

.section.gallery {
    padding-top: 0;
}

.gallery-content .list .gallery-item {
    flex-basis: calc((100% - 48px) / 3);
}

.team-info {
    padding: 30px 16px;
}

.team-name + .team-position,
.team-position + .team-social-icons {
    margin-top: 8px;
}

.single-team .single-team-content {
    background-color: var(--inverse-text-color);
    border-radius: 0px 0px 4px 4px;
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
                0px 1px 1px rgba(46, 47, 66, 0.16),
                0px 2px 1px rgba(46, 47, 66, 0.08);
}

.team-social-icons {
    padding: 4px 0;
}

.team-social-icons .social-icons-list {
    display: flex;
    gap: 24px;
}

.team-social-icons .social-icons-list .social-icons,
.social-icons-list .social-icons {
    flex-basis: calc((100% - 72px) / 4);
    max-width: 40px;
}

.team-social-icons .social-icons-list .social-icons .social-link,
.header-social-icons .social-icons .social-link {
    display: block;
    padding: 12px;
    text-align: center;
    line-height: 0.7;
    background-color: var(--accent-color);
    border-radius: 50%;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: background-color;
}

.team-social-icons .social-icons-list .social-icons .social-link:hover,
.team-social-icons .social-icons-list .social-icons .social-link:focus,
.header-social-icons .social-icons .social-link:hover,
.header-social-icons .social-icons .social-link:focus {
    background: var(--active-button-color);
}

.team-social-icons .social-icons-list .team-icon,
.social-icons-list .header-social-icon {
    width: 16px;
    height: 16px;
}

.section-title + .customers-list { 
    margin-top: 72px;
}

.customers .customers-list {
    display: flex;
    gap: 24px;
}

.customers .customers-list .customers-item {
    flex-basis: calc((100% - 144px) / 6);
}

.customers .customers-list .customers-item .customers-item-link {
    display: flex;
    padding: 16px 32px;
    border: 1px solid;
    border-color: var(--theme-grey-color);
    border-radius: 4px;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: border-color;
}

.customers .customers-list .customers-item .customers-item-link:hover,
.customers .customers-list .customers-item .customers-item-link:focus {
    border-color: var(--accent-color);
}

.customers .customers-list .customers-item .customers-item-link .link-icon {
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    fill: var(--theme-grey-color);
    transition-property: fill;
}

.customers .customers-list .customers-item .customers-item-link:hover .link-icon,
.customers .customers-list .customers-item .customers-item-link:focus .link-icon {
    fill: var(--accent-color);
}

.customers .customers-list .customers-item .customers-item-link .link-icon {
    width: 104px;
    height: 56px;
}

/* Portfolio Page Styles */

.section.portfolio {
    padding-top: 96px;
}

.portfolio-tabs {
    display: flex;
    justify-content: center;
}

.tab-item {
    margin: 0 12px;
}

.tab-item:first-child {
    margin-left: 0;
}

.tab-item:last-child {
    margin-right: 0;
}

.tab-item .tab-btn {
    padding: 8px 16px;
    color: var(--accent-color);
    background-color: var(--light-background-color);
    border-color: var(--corn-text-color);
    box-shadow: none;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: color, background-color, border-color, box-shadow;
}
.tab-item .tab-btn.active,
.tab-item .tab-btn:hover,
.tab-item .tab-btn:focus {
    color: var(--inverse-text-color);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
                0px 1px 1px rgba(46, 47, 66, 0.16),
                0px 2px 1px rgba(46, 47, 66, 0.08);
}

.portfolio-tabs + .portfolio-gallery.gallery-list {
    margin-top: 72px;
}

.portfolio-gallery.gallery-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    row-gap: 48px;
}

.portfolio-gallery.gallery-list .portfolio-item {
    flex-basis: calc((100% - 48px) / 3);
    box-sizing: border-box;
}

.portfolio-gallery.gallery-list .portfolio-item:nth-child(n + 7) {
    margin-bottom: 0;
}

.portfolio-gallery.gallery-list .portfolio-link {
    display: block;
    background-color: var(--inverse-text-color);
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: box-shadow;
}

.portfolio-gallery.gallery-list .portfolio-link:hover,
.portfolio-gallery.gallery-list .portfolio-link:focus {
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
                0px 1px 1px rgba(46, 47, 66, 0.16),
                0px 2px 1px rgba(46, 47, 66, 0.08);
}

.portfolio-item .item-content {
    padding: 32px 16px;
    border: 1px solid;
    border-color: var(--light-background-color);
    border-top: none;
}

.portfolio-item .title + .gallery-category {
    margin-top: 8px;
}

.protfolio-back-side {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 40px 32px;
    background-color:rgba(77, 90, 229, 0.9);
    transform: translateY(101%);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: transform;
}

.portfolio-item:hover .protfolio-back-side {
    transform: translateY(0);
}

.protfolio-back-side .description-back {
    line-height: 1.5em;
    color: var(--inverse-text-color);
}

.portfolio-item .portfolio-thumb {
    position: relative;
    overflow: hidden;
}

/* Footer Styles */

.page-footer .footer-logo.logo {
    color: var(--light-background-color);
}

.footer-info {
    max-width: 264px;
}

.footer-logo + .footer-description {
    margin-top: 16px;
}

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

.footer-socials {
    margin-left: 40px;
    max-width: fit-content;
}

.socials-title + .footer-social-icons {
    margin-top: 16px;
}

.footer-social-icons .social-icons-list {
    display: flex;
    gap: 16px;
}

.footer-social-icons .social-icons-list .social-icons {
    flex-basis: calc((100% - 72px) / 4);
    max-width: 40px;
}

.footer-social-icons .social-icons-list .social-icons .social-link {
    display: block;
    text-align: center;
    line-height: 0.7;
    padding: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: background-color;
}

.footer-social-icons .social-icons-list .social-icons .social-link:hover,
.footer-social-icons .social-icons-list .social-icons .social-link:focus {
    background-color: var(--theme-green-color);
}

.footer-social-icons .social-icons-list .social-icons .footer-social-icon {
    width: 24px;
    height: 24px;
}

.footer-description {
    color: var(--corn-text-color);
}

.page-footer {
    padding: 100px 0 76px;
}

.footer-subscribe label[for="user_email"] {
    display: block;
    color: var(--inverse-text-color);
}

.footer-title {
    font-size: 1em;
    font-weight: 500;
    color: var(--inverse-text-color);
}

.footer-subscribe {
    width: 100%;
    max-width: 453px;
}

.subscribe-title + form[name="subscribe_form"] {
    margin-top: 16px;
}

.footer-subscribe form[name="subscribe_form"] {
    display: flex;
    gap: 24px;
}

.footer-subscribe form[name="subscribe_form"] input[type="email"] {
    width: 100%;
    padding: 8px 16px;
    font-size: 0.75em;
    line-height: 2em;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.6);
    background-color: transparent;
    border: 1px solid;
    border-color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: border-color;
    outline: none;
}

.footer-subscribe form[name="subscribe_form"] input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.footer-subscribe form[name="subscribe_form"] input[type="email"]:focus {
    border-color: var(--accent-color);
}

.footer-subscribe .form-btn {
    display: flex;
    gap: 16px;
    padding: 7px 24px;
    line-height: 1.5em;
    max-width: 165px;
}

.footer-subscribe .form-icon { 
    width: 24px;
    height: 20px;
}

/* Modal Window */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 1;
    visibility: visible;
    background: rgba(46, 47, 66, 0.4);
    transform: translateY(0);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: transform, opacity, visibility;
    z-index: 9999;
}

.modal-backdrop.is-hidden {
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
}

.modal-window {
    position: absolute;
    padding: 72px 24px 24px;
    width: 408px;
    min-height: 584px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--theme-alter-background);
    box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.14),
                0px 1px 3px rgba(0, 0, 0, 0.12),
                0px 2px 1px rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    box-sizing: border-box;
}

.modal-close-btn {
    position: absolute;
    display: flex;
    top: 24px;
    right: 24px;
    padding: 7px;
    line-height: 0.7;
    border-radius: 50%;
    background: #E7E9FC;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: none;
}

.modal-close-btn svg {
    width: 8px;
    height: 8px;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: fill;
}

.modal-close-btn svg {
    fill: var(--theme-dark-color);
}
.modal-close-btn:hover svg,
.modal-close-btn:focus svg {
    fill: var(--inverse-text-color);
}

.backdrop-title {
    margin-bottom: 16px;
    font-size: 1em;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5em;
    text-align: center;
    letter-spacing: 0.02em;
}

form[name="backdrop_form"] label {
    font-size: 0.75em;
    line-height: 1.33em;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--theme-grey-color);
}

.modal-backdrop form .form-field + .form-field {
    margin-top: 8px;
}

.modal-backdrop .form-field {
    position: relative;
    display: flex;
    flex-direction: column;
}

.form-field + .accept-label {
    margin-top: 16px;
}

.modal-backdrop .form-field input,
.modal-backdrop .form-field input,
.modal-backdrop .form-field input,
.modal-backdrop .form-field textarea {
    margin-top: 4px;
    min-height: 40px;
    border: 1px solid;
    border-color: rgba(33, 33, 33, 0.2);
    border-radius: 4px;
    padding: 8px 16px 8px 38px;
    background-color: transparent;
    outline: none;
    box-sizing: border-box;
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: border-color;
}

.modal-backdrop .form-field input:focus,
.modal-backdrop .form-field input:focus,
.modal-backdrop .form-field input:focus,
.modal-backdrop .form-field textarea:focus {
    border-color: var(--accent-color);
}

.modal-backdrop .form-field textarea {
    padding: 8px 16px;
    max-height: 120px;
    resize: none;
}

.modal-backdrop .form-field input::placeholder,
.modal-backdrop .form-field input::placeholder,
.modal-backdrop .form-field input::placeholder,
.modal-backdrop .form-field textarea::placeholder {
    font-size: 0.75em;
    font-weight: 400;
    line-height: 1.33em;
    letter-spacing: 0.04em;
    color: rgba(117, 117, 117, 0.5);
}

.form-field .input-icon {
    position: absolute;
    top: calc(50% - 3px);
    left: 16px;
    width: 18px;
    height: 24px;
}

form[name="backdrop_form"] .accept {
    position: relative;
}

.accept input[type="checkbox"] {
    position: relative;
    margin-right: 10px;
    z-index: 2;
    opacity: 0;
}

.accept-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 16px;
    height: 16px;
    border: 1.25px solid var(--title-text-color);
    border-radius: 2px;
    box-sizing: border-box;
    z-index: 1;
}

.accept-icon .icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 8px;
    transform: translate(-50%, -50%);
    opacity: 0;
    fill: var(--light-background-color);
}

.accept input[type="checkbox"]:checked + .accept-icon .icon {
    opacity: 1;
}

.accept input[type="checkbox"]:checked + .accept-icon {
    background-color: var(--active-button-color);
    border-color: var(--active-button-color);
}

.accept .accept-text {
    font-size: 0.75em;
    font-weight: 400;
    line-height: 1.33em;
    letter-spacing: 0.04em;
    color: #757575;
}

.accept-text-link {
    text-decoration: underline;
    color: var(--accent-color);
    transition: var(--theme-trnsition-time) var(--theme-trnsition-cubic);
    transition-property: color;
}

.accept-text-link:hover,
.accept-text-link:focus {
    color: #757575;
}

form[name="backdrop_form"] .form-btn {
    display: block;
    margin: 24px auto 0;
    width: 169px;
    height: 56px;
}

.mobile-menu-toggle {
    display: none;
}

/* Reesponsive styles */

@media (max-width: 1199px) {
    .section {
        padding: 96px 0;
    }

    .section.solution {
        padding: 108px 0;
    }

    .container {
        width: 768px
    }

    .header-info {
        display: block;
        text-align: right;
    }

    .header-info .info-link {
        font-size: 12px;
        line-height: 16px;
    }

    .header-info .info-item {
        margin: 0;
    }

    .benefits-services-icon,
    .gallery {
        display: none;
    }

    .benefits .benefits-services,
    .footer-content,
    .portfolio-gallery.gallery-list {
        flex-wrap: wrap;
        row-gap: 72px; 
    }

    .benefits .benefits-services .benefits-services-item,
    .portfolio-gallery.gallery-list .portfolio-item {
        flex-basis: calc((100% - 24px) / 2);
    }

    .benefits-services-item .title {
        font-size: 36px;
        line-height: 40px;
    }

    .team,
    .customers .customers-list {
        justify-content: center;
        flex-wrap: wrap;
        row-gap: 64px;
    }

    .customers .customers-list {
        row-gap: 72px;
    }

    .tab-item .tab-btn {
        padding: 12px 24px;
    }

    .footer-content {
        justify-content: flex-start;
    }

    .footer-socials {
        margin-left: 24px;
    }

    .socials-title {
        line-height: 1.5em;
    }

    .footer-content {
        max-width: 582px;
    }
}

@media (max-width: 900px) {
    .modal-backdrop {
        overflow-y: scroll;
    }
    
    .modal-window {
        top: 20px;
        transform: translate(-50%, 0);
    }    
}

@media (max-width: 767px) {

    .container {
        width: 100%;
        margin: 0 auto;
        padding: 0 15px;
    }

    .info-wrapper,
    .header-menu .menu {
        display: none;
    }

    .header-content {
        padding: 24px 0;
    }

    .mobile-menu-toggle {
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0;
        padding: 0;
        background-color: transparent;
        border: none;
        outline: none;
    }

    .mobile-menu-toggle .mobile-menu-icon {
        width: 32px;
        height: 22px;
    }

    .solution .solution-title {
        max-width: 318px;
        font-size: 2.25em;
        line-height: 40px;
    }

    .section.solution {
        padding: 112px 0;
    }

    .benefits-services-item .title {
        text-align: center;
    }

    .customers .customers-list .customers-item .customers-item-link {
        padding: 16px 40px;
    }

    .benefits .benefits-services .benefits-services-item,
    .portfolio-gallery.gallery-list .portfolio-item {
        flex-basis: 100%;
    }

    .solution {
        background: url(../images/office-mobile.jpg) no-repeat center;
    }

    .footer-info,
    .footer-socials,
    .footer-subscribe {
        margin: 0 auto;
        text-align: center;
    }

    .footer-subscribe form[name="subscribe_form"] {
        flex-direction: column;
        gap: 0;
        row-gap: 16px;
    }

    .footer-subscribe form[name="subscribe_form"] input[type="email"] {
        width: auto;
    }

    .footer-subscribe .form-btn {
        margin: 0 auto;
    }

    .portfolio-tabs {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 24px;
        row-gap: 16px;
    }

    .tab-item {
        margin: 0;
    }
}

@media (max-width: 376px) {
    .modal-window {
        width: 100%;
        max-width: 300px;
    }
}

@media screen and (min-width: 1201px) {
    @media (min-device-pixel-ratio: 2),
    (min-resolution: 192dpi),
    (min-resolution: 2dppx) {
        .solution {
            background: url(../images/office-desktop.jpg) center;
            background-size: cover;
            max-width: 100%;
        }
    }
}

@media (max-width: 1200px) and (min-width: 481px) {
    @media (min-device-pixel-ratio: 2),
    (min-resolution: 192dpi),
    (min-resolution: 2dppx) {
        .solution {
            background: url(../images/office-tablet.jpg) no-repeat center;
        }
    }
}

@media (max-width: 480px) {
    @media (min-device-pixel-ratio: 2),
    (min-resolution: 192dpi),
    (min-resolution: 2dppx) {
        .solution {
            background: url(../images/office-mobile.jpg) no-repeat center;
        }
    }
}