style.css

*,
*:before,
*:after {
    box-sizing: border-box;
}

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

p {
    margin: 0;
}

ul {
    margin: 0;
    padding: 0;
}

button {
    font: inherit;

    cursor: pointer;

    color: inherit;
    background-color: transparent;
    border: none;
}


html {
    scroll-behavior: smooth;
}

.slider,
.services,
.portfolio,
.about,
.quote{
    scroll-margin-top: 94px;
}

.page {
    width: 100%;
    margin: 0 auto;
    position: relative;

    font-family: 'Lato Light', sans-serif;
    font-style: normal;
    color: #666d89;
}

/*HEADER*/
.header {
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 50;

    background: #2d303a;
    border-bottom: solid 6px #323746;

    font-family: 'Lato Light', sans-serif;
    font-style: normal;
    opacity: 0.95;
}

.headerContent {
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    padding: 34px 40px 30px;
    box-sizing: border-box;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.headerBurgerMenu {
    display: none;
}

.headerMobileMenu {
    display: none;
}

.headerMobileMenuHidden {
    display: none;
}

.mobileMenuCover {
    display: none;
}

.headerLogo {
    margin: 0;

    font-family: 'Lato', sans-serif;
    text-transform: uppercase;
    font-weight: bold;
    font-style: normal;
    font-size: 25px;
    line-height: 1;
    letter-spacing: -0.03em;
    color: #ffffff;
    cursor: pointer;
}

.headerAccent {
    margin: 0;

    color: #f06c64;
}

.navigationList {
    display: flex;
    flex-direction: row;

    list-style: none;
}

.navigationItem {
    margin-right: 30px;
    position: relative;

    text-transform: uppercase;
    line-height: 1.4;

    font-family: 'Lato', sans-serif;
    font-style: normal;
    font-weight: bold;
    font-size: 12px;
}

.navigationLink {
    text-decoration: none;
    color: #ffffff;
    transition: opacity 0.2s ease-in 0.1s;
}

.navigationLinkStateActive {
    color: #f06c64;
}

.navigationLink:not(.navigationLinkStateActive):hover {
    color: #f06c64;
    opacity: 0.6;
    cursor: pointer;
}

.navigationItem::after {
    content: "";
    width: 3px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    right: -16px;
    transform: translateY(-50%);
}

.navigationItem:last-child::after {
    content: "";
    width: 0;
    height: 0;
    margin: 0;
}

.navigationItem:last-child {
    margin-right: 0;
}

.plug {
    width: 100%;
    min-height: 95px;
    background: #2d303a;
    position: relative;
    z-index: 2;
}

.main {
    position: relative;
}

/*SLIDER*/
.slider {
    width: 100%;
    overflow: hidden;
}


.sliderRed {
    border-bottom: 6px solid #ea676b;
    background-color: #f06c64;
    transition: 3s;
}

.sliderBlue {
    border-bottom: 6px solid #5a84f0;
    background-color: #5173cb;
    transition: 3s;
}

.sliderContent {
    margin: 0 auto;
    /*padding-top: 54px;*/
    max-width: 1020px;
    padding-left: 3.92%;
    padding-right: 3.92%;
}

.sliderArrowControllers {
    position: relative;
    min-height: 594px;
}

.sliderArrow {
    position: absolute;
    width: 16px;
    height: 27px;
    top: 46.9%;
}

.left {
    left: 2px;
}

.right {
    right: 0;
}

.arrowColor {
    filter: hue-rotate(225deg);
}

.left:hover,
.right:hover {
    cursor: pointer;
    opacity: 0.6;
}

.sliderItem {
    position: relative;
    display: none;
    animation: 1s ease-in-out;
}

.sliderItemActive,
.sliderItemNext {
    display: block;
}
.show {
    display: block;
}

.sliderItemBackSlide  {
    display: none;
}

.sliderItemFrontSlide {
    position: relative;
}

.frontSlidePhoneImageVertical {

    position: absolute;
    z-index: 1;
    bottom: 58px;
    left: 72px;
}

.show{
    display: block;
}

.hide{
    display: none;
}

.frontSlidePhoneImageHorizontal {
    position: absolute;
    z-index: 1;
    bottom: 180px;
    right: 71px;
}

.sliderItemBackSlide {
    position: relative;
}

.backSlidePhoneBox {
    position: absolute;
    bottom: 64px;
    left: 343px;
    z-index: 3;
}

.backSlidePhoneDisplay {
    position: absolute;
    z-index: 4;
    bottom: 128px;
    left: 357px;
}


.backSlidePhoneShadow {
    position: absolute;
    bottom: 38px;
    right: 342px;
    z-index: 2;
}

.backSlidePhoneLeft {
    position: absolute;
    bottom: 128px;
    left: 212px;
    z-index: 1;
}

.backSlidePhoneRight {
    position: absolute;
    bottom: 128px;
    right: 211px;
    z-index: 1;
}


/*SERVICES*/

.services {
    width: 100%;

    background: #f2f2f2;
    border-bottom: solid 6px #ffffff;
}

.servicesContent {
    width: 100%;
    max-width: 1020px;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 68px 40px 67px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.servicesTitle {
    margin-bottom: 24px;

    font-family: 'Lato Black', sans-serif;
    font-size: 30px;
    line-height: 0.8;
    font-weight: 900;
    font-style: normal;
    letter-spacing: 0.01em;
    word-spacing: -1.5px;
}

.servicesSubtitle {
    margin-bottom: 44px;

    font-family: "Lato Light", sans-serif;
    font-size: 18px;
    line-height: 1.7;
    font-weight: 300;
    letter-spacing: -0.01em;
    text-align: justify;
}

.benefits {
    width: 100%;

    display: -ms-grid;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 20px 20px;
    overflow: hidden;
}
.benefitsItem {
    display: flex;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}


.benefitsIcon {
    width: 30%;
    height: auto;
    border-radius: 50%;
    margin-right: 21px;
}


.benefitsTitle {
    margin-bottom: 9px;

    font-family: 'Lato Black', sans-serif;
    font-size: 18px;
    line-height: 1em;
    font-weight: 900;
    letter-spacing: -0.01em;
}

.benefitsText {
    margin: 0;

    font-family: "Lato Regular", sans-serif;
    font-size: 12px;
    font-weight: 400;
    text-align: justify;
    line-height: 1.8em;
}

/*PORTFOLIO*/
.portfolio {
    width: 100%;

    background: #2d303a;
    border-bottom: solid 6px #323746;
}

.portfolioContent {
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    padding: 67px 40px 67px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.portfolioTitle {
    margin-bottom: 28px;
    font-size: 30px;
    line-height: 24px;
    color: #666d89;
    font-family: "Lato Black", sans-serif;
    font-weight: 900;
    letter-spacing: -0.002em;
}

.portfolioSubtitle {
    margin-bottom: 11px;
    font-size: 18px;
    line-height: 24px;
    color: #767e9e;
    font-family: "Lato Light", sans-serif;
    font-weight: 300;
    letter-spacing: -0.01em;
    text-align: justify;
}

.portfolioTabs {
    margin-bottom: 19px;
}

.portfolioTabsItem {
    max-height: 22px;
    padding: 1px 7px 1px 9px;
    margin-right: 7px;
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid #666d89;
    color: #767e9e;
    font-size: 12px;
    line-height: 18px;
    font-family: "Lato Regular", sans-serif;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    letter-spacing: -0.05em;
    cursor: pointer;
}

.portfolioTabsItemActive {
    padding: 1px 10px 1px 7px;
    border: 1px solid #c5c5c5;
    outline: none;

    color: #dedede;
}


.portfolioTabsItem:not(portfolioTabsItemActive):hover {
    color: #dedede;
    opacity: 0.6;
    cursor: pointer;
}

.portfolioPhotoGrid {
    max-width: 1020px;
    width: 100%;
    /*max-height: 601px;*/
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-gap: 20px 20px;
}

.portfolioPhotoGridItem {
    max-width: 300px;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    transition: all 0.5s ease;


}

.portfolioPhotoGridItem:hover {
    opacity: 0.6;
    cursor: pointer;
}

.portfolioPhotoGridItemActive {
    box-shadow: 0 0 5px 5px  #F06C64;
}

/*FOOTER*/

.footer {
    width: 100%;

    background-color: #2d303a;
}

.footerContainer {
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    padding: 22px 40px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footerCopyright {
    display: flex;
    justify-content: space-between;

    font-family: 'Lato', sans-serif;
    font-style: normal;
    font-weight: 900;
    font-size: 13px;
    line-height: 18px;
    word-spacing: -0.06em;
    letter-spacing: -0.001em;
}

.footerCopyrightDecoration {
    position: relative;
    margin-left: 10px;
}

.footerCopyrightDecoration::before {
    content: "";
    width: 2px;
    height: 2px;
    margin-left: -5px;
    background-color: #434759;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}


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

.footerSocialIconsIcon {
    margin-left: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 33.5px;
    height: 33.5px;
    background-repeat: no-repeat;
    background-position: center center;
    border: 1px solid #666d89;
    border-radius: 50%;
}

.footerSocialIconsIcon:hover {
    opacity: 0.6;
}

/*MEDIA*/

@media screen and (max-width : 1019px) and (min-width: 768px) {
    .sliderContent {
        margin: 0 auto;
        padding: 0;
        max-width: 92%;
    }


    .sliderArrowControllers {
        /*width: 92%;*/
        margin: 0 auto;
        min-height: 445.76px;
    }

    .frontSlidePhoneImageVertical {
        max-width: 25.5%;
        bottom: 41.05px;
        left: 64.7px;
    }

    .frontSlidePhoneImageHorizontal {
        max-width: 51.5%;
        bottom: 137.4px;
        right: 57.46px;
    }

    .backSlidePhoneBox {
        position: absolute;
        width: 180.85px;
        bottom: 32px;
        left: 254px;
        z-index: 3;
    }

    .backSlidePhoneDisplay {
        position: absolute;
        width: 158.55px;
        z-index: 4;
        bottom: 83px;
        left: 265px;
    }

    .backSlidePhoneDisplayOff {
        display: none;
    }

    .backSlidePhoneShadow {
        position: absolute;
        width: 202px;
        bottom: 10px;
        left: 256px;
        z-index: 2;
    }

    .backSlidePhoneLeft {
        position: absolute;
        width: 124px;
        bottom: 82px;
        left: 150px;
        z-index: 1;
    }

    .backSlidePhoneRight {
        position: absolute;
        width: 124px;
        bottom: 82px;
        left: 435px;
        z-index: 1;
    }


    .benefits {
        width: 100%;
        display: -ms-grid;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 53px 39px;

        overflow: hidden;
    }


    .portfolioTabs {
        margin-bottom: 27px;
    }

    .portfolioPhotoGrid {
        max-width: 1020px;
        width: 100%;
        height: auto;
        margin: 0 auto;

        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        grid-gap: 20px 20px;
    }
}


/* MEDIA 767*/
@media screen and ( max-width: 767px) and (min-width: 300px) {

    .scroll-hidden {
        overflow: hidden;
    }

    .header {
        border-bottom: none;
        opacity: 1;
    }

    .headerContent {
        width: 100%;
        max-width: 767px;
        margin: 0 auto;
        padding: 24px 40px 22px;
        box-sizing: border-box;
        display: flex;
        align-items: baseline;
        justify-content: center;
    }

    .headerBurgerMenu {
        display: block;
        position: absolute;
        top: 26px;
        left: 20px;
    }

    .headerBurgerButton {
        display: block;
        z-index: 3;
    }

    .headerBurgerButton:hover {
        opacity: 0.6;
        cursor: pointer;
    }

    .headerBurgerButtonActive {
        transform: rotate(90deg);
        transition: transform 0.3s;
    }

    .headerLogo {
        margin: 0;

        font-family: 'Lato', sans-serif;
        text-transform: uppercase;
        font-weight: bold;
        font-style: normal;
        line-height: 1;
        letter-spacing: -0.03em;
        color: #ffffff;
        cursor: pointer;
        z-index: -2;
    }

    .headerLogoMobile {
        padding: 17px 0 0 71px;
        font-size: 20px;
    }


    .navigationListMobile {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        margin: 0;
        margin-top: 50%;
        padding: 0 0 0 71px;
        list-style-type: none;
        letter-spacing: -0.035em;
    }


    .linkMobile {
        color: #ffffff;
    }

    .navigationLinkMobile {
        display: flex;
        font-size: 24px;
        font-family: "Lato", sans-serif;
        font-weight: 700;
        text-decoration: none;
        margin-bottom: 30px;
        text-transform: uppercase;
    }

    .navigationLinkMobileStateActive {
        color: #f06c64;
    }

    .headerMobileMenu {
        display: flex;
        position: fixed;
        justify-content: center;
        align-items: center;
        z-index: -1;
        width: 100vw;
        height: 100vh;
        top: 0;
        left: 0;
        background: #0008;
    }

    .headerMobileMenuHidden {
        display: none;
    }

    .mobileMenuNavigation {
        position: absolute;
        left: 0;
        width: 278px;
        height: 100%;
        padding: 10px 10px;
        background-color: #2d303a;
        border-radius: 5px;
        text-align: left;
        word-break: break-all;
    }

    .slider,
    .services,
    .portfolio,
    .about,
    .quote{
        scroll-margin-top: 70px;
    }


    .headerAccent {
        margin: 0;

        color: #f06c64;
    }

    .navigationList {
        display: none;
    }


    .plug {
        width: 100%;
        min-height: 71px;
        background: #2d303a;
        position: relative;
        z-index: 2;
    }


    .sliderContent {
        margin: 0 auto;
        max-width: 375px;
        padding: 0;
        padding-left: 2.6%;
        padding-right: 2.6%;
    }

    .sliderRed {
        border-bottom: none;
    }

    .sliderBlue {
        border-bottom: none;
    }


    .sliderArrowControllers {
        /*width: 92%;*/
        margin: 0 auto;
        min-height: 220.59px;
    }

    .frontSlidePhoneImageVertical {
        max-width: 26%;
        bottom: 16.05px;
        left: 31.6px;
    }

    .frontSlidePhoneImageHorizontal {
        max-width: 51.5%;
        bottom: 58.4px;
        right: 31.06px;
    }


    .backSlidePhoneBox {
        position: absolute;
        bottom: 26px;
        left: 134px;
        z-index: 3;
        width: 84px;
    }

    .backSlidePhoneDisplay {
        width: 73px;
        position: absolute;
        z-index: 4;
        bottom: 50px;
        left: 140px;
    }


    .backSlidePhoneShadow {
        width: 90px;
        position: absolute;
        bottom: 15px;
        left: 139px;
        z-index: 2;
    }


    .backSlidePhoneLeft {
        width: 58px;
        position: absolute;
        bottom: 48px;
        left: 85px;
        z-index: 1;
    }

    .backSlidePhoneRight {
        width: 58px;
        position: absolute;
        bottom: 48px;
        left: 218px;
        z-index: 1;
    }



    .services {
        border-bottom: none;
    }

    .servicesContent {
        margin: 0 auto;
        padding: 25.41px 32px 15px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        align-items: flex-start;
    }

    .servicesTitle {
        margin-bottom: 24px;

        font-family: 'Lato Black', sans-serif;
        font-size: 30px;
        line-height: 0.8;
        font-weight: 900;
        font-style: normal;
        letter-spacing: 0.01em;
        word-spacing: -1.5px;
    }

    .servicesSubtitle {
        margin-bottom: 25px;

        font-family: "Lato Light", sans-serif;
        font-size: 18px;
        line-height: 1.7;
        font-weight: 300;
        letter-spacing: -0.01em;
        text-align: justify;
    }

    .benefits {
        width: 100%;
        display: -ms-grid;
        display: grid;
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
        grid-row-gap: 30px;

        overflow: hidden;
    }

    .benefitsIcon {
        width: 20%;
        height: auto;
    }

    .portfolio {
        border-bottom: none;
    }

    .portfolioContent {
        width: 100%;
        margin: 0 auto;
        padding: 42px 30px 42px;
    }

    .portfolioTitle {
        margin-bottom: 28px;

        font-size: 30px;
        line-height: 24px;

        color: #666d89;
        font-family: "Lato Black", sans-serif;
        font-weight: 900;
        letter-spacing: -0.002em;
    }

    .portfolioSubtitle {
        margin-bottom: 25px;
    }

    .portfolioTabs {
        margin-bottom: 25px;
    }

    .portfolioPhotoGrid {
        display: -ms-grid;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 13px 14px;
    }

    .portfolioPhotoGridItem:nth-child(n+9) {
        display: none;
    }

    .footer {
        width: 100%;

        background-color: #2d303a;
    }

    .footerContainer {
        width: 100%;
        max-width: 1020px;
        margin: 0 auto;
        padding: 22px 40px 22px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .footerCopyright {
        display: none;
    }
}