.cont {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center; 
    background-image: linear-gradient(to left bottom, #81818100 0%, #a7a1a500 100%);
    overflow: hidden;
}

.app {
    position: relative;
    min-width: 100%;
    height: 540px;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.app__bgimg {
    position: absolute;
    top: 0;
    left: -2.5%;
    width: 105%;
    height: 100%;
    transition: transform 3.5s 770ms;
}

.app__bgimg-image {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.app__bgimg-image--1 {
    background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/537051/city22222.jpg") center center no-repeat;
    background-position: center !important;
    background-repeat: no-repeat !important;
    object-fit: cover !important;
    background-size: 100% auto !important;
}

.app__bgimg-image--2 {
    background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/537051/forest.jpg") center center no-repeat;
    background-position: center !important;
    background-repeat: no-repeat !important;
    object-fit: cover !important;
    background-size: 100% auto !important;
    opacity: 0;
    transition: opacity 0ms 1300ms;
    will-change: opacity;
}

.app__bgimg-image--3 {
    background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/537051/forest.jpg") center center no-repeat;
    background-position: center !important;
    background-repeat: no-repeat !important;
    object-fit: cover !important;
    background-size: 100% auto !important;
    opacity: 0;
    transition: opacity 0ms 1300ms;
    will-change: opacity;
}

.app__text {
    position: absolute;
    right: 165px;
    top: 150px;
    font-family: "Roboto", sans-serif;
    text-transform: uppercase;
    z-index: 1;
}

.app__text-line {
    transition: transform 1500ms 400ms, opacity 750ms 500ms;
    will-change: transform, opacity;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.app__text-line--4 {
    transition: transform 1500ms 1500ms, opacity 1500ms 1500ms;
}

.app__text-line--3 {
    transition: transform 1500ms 1600ms, opacity 1500ms 1750ms;
}

.app__text-line--2 {
    transition: transform 1500ms 1700ms, opacity 1500ms 2000ms;
}

.app__text-line--1 {
    transition: transform 1500ms 1800ms, opacity 1500ms 2250ms;
}

.app__text-line--4 {
    font-size: 50px;
    font-weight: 700;
    color: #0A101D;
}

.app__text-line--3 {
    font-size: 40px;
    font-weight: 300;
}

.app__text-line--2 {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #0099CC;
}

.app__text-line--1 {
    margin-top: 15px;
}

    .app__text-line--1 img {
        width: 50px;
    }

.app__text--1 .app__text-line {
    transform: translate3d(0, -125px, 0);
    opacity: 0;
}

.app__text--2 {
    right: initial;
    top: 250px;
    left: 80px;
    z-index: -1;
    transition: z-index 1500ms;
}

    .app__text--2 .app__text-line--4 {
        opacity: 0;
        transition: transform 1500ms -75ms, opacity 400ms 125ms;
    }

    .app__text--2 .app__text-line--3 {
        opacity: 0;
        transition: transform 1500ms 0ms, opacity 400ms 200ms;
    }

    .app__text--2 .app__text-line--2 {
        opacity: 0;
        transition: transform 1500ms 75ms, opacity 400ms 275ms;
    }

    .app__text--2 .app__text-line--1 {
        opacity: 0;
        transition: transform 1500ms 150ms, opacity 400ms 350ms;
    }

.app__img {
    position: absolute;
    transform: translate3d(0, -750px, 0);
    width: 850px;
    height: 100%;
    transition: transform 3s cubic-bezier(0.6, 0.13, 0.31, 1.02);
    will-change: transform;
}

    .app__img img {
        min-width: 100%;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }

.initial .app__img {
    transform: translate3d(0, 0, 0);
}

.initial .app__text--1 .app__text-line--1 {
    transform: translate3d(0, 0, 0);
    transition: transform 1500ms 1400ms, opacity 400ms 1600ms;
    opacity: 1;
}

.initial .app__text--1 .app__text-line--2 {
    transform: translate3d(0, 0, 0);
    transition: transform 1500ms 1475ms, opacity 400ms 1675ms;
    opacity: 1;
}

.initial .app__text--1 .app__text-line--3 {
    transform: translate3d(0, 0, 0);
    transition: transform 1500ms 1550ms, opacity 400ms 1750ms;
    opacity: 1;
}

.initial .app__text--1 .app__text-line--4 {
    transform: translate3d(0, 0, 0);
    transition: transform 1500ms 1625ms, opacity 400ms 1825ms;
    opacity: 1;
}

.active .app__bgimg {
    transform: translate3d(10px, 0, 0) scale(1.05);
    transition: transform 5s 850ms ease-in-out;
}

    .active .app__bgimg .app__bgimg-image--2 {
        opacity: 1;
        transition: opacity 0ms 1500ms;
    }

.active .app__img {
    transition: transform 3s cubic-bezier(0.6, 0.13, 0.31, 1.02);
    transform: translate3d(0, -1410px, 0);
}

.active .app__text--1 {
    z-index: -1;
    transition: z-index 0ms 1500ms;
}

    .active .app__text--1 .app__text-line--1 {
        transform: translate3d(0, -125px, 0);
        transition: transform 1500ms 300ms, opacity 400ms 500ms;
        opacity: 0;
    }

    .active .app__text--1 .app__text-line--2 {
        transform: translate3d(0, -125px, 0);
        transition: transform 1500ms 375ms, opacity 400ms 575ms;
        opacity: 0;
    }

    .active .app__text--1 .app__text-line--3 {
        transform: translate3d(0, -125px, 0);
        transition: transform 1500ms 450ms, opacity 400ms 650ms;
        opacity: 0;
    }

    .active .app__text--1 .app__text-line--4 {
        transform: translate3d(0, -125px, 0);
        transition: transform 1500ms 525ms, opacity 400ms 725ms;
        opacity: 0;
    }

.active .app__text--2 {
    z-index: 1;
}

    .active .app__text--2 .app__text-line--1 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1100ms, opacity 1300ms 1300ms;
        opacity: 1;
    }

    .active .app__text--2 .app__text-line--2 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1175ms, opacity 1300ms 1575ms;
        opacity: 1;
    }

    .active .app__text--2 .app__text-line--3 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1250ms, opacity 1300ms 1850ms;
        opacity: 1;
    }

    .active .app__text--2 .app__text-line--4 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1325ms, opacity 1300ms 2125ms;
        opacity: 1;
    }
.active .app__text--3 {
    z-index: 1;
}

    .active .app__text--3 .app__text-line--1 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1100ms, opacity 1300ms 1300ms;
        opacity: 1;
    }

    .active .app__text--3 .app__text-line--2 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1175ms, opacity 1300ms 1575ms;
        opacity: 1;
    }

    .active .app__text--3 .app__text-line--3 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1250ms, opacity 1300ms 1850ms;
        opacity: 1;
    }

    .active .app__text--3 .app__text-line--4 {
        transform: translate3d(0, -125px, 0);
        transition: transform 2500ms 1325ms, opacity 1300ms 2125ms;
        opacity: 1;
    }

.mouse {
    position: relative;
    z-index: 2;
    margin-right: -60px;
    min-width: 50px;
    height: 80px;
    border-radius: 30px;
    border: 5px solid rgb(57 57 57 / 80%);
}

    .mouse:after {
        content: "";
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translate(-50%, 0);
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: #383838;
        -webkit-animation: scroll 1s infinite alternate;
        animation: scroll 1s infinite alternate;
    }

@-webkit-keyframes scroll {
    100% {
        transform: translate(-50%, 15px);
    }
}

@keyframes scroll {
    100% {
        transform: translate(-50%, 15px);
    }
}

.pages {
    margin-left: -80px;
}

.pages__list {
    list-style-type: none;
}

.pages__item {
    position: relative;
    margin-bottom: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 3px solid #4f4e4d;
    cursor: pointer;
}

    .pages__item:after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0, 0);
        width: 75%;
        height: 75%;
        border-radius: 50%;
        background-color: #868686;
        opacity: 0;
        transition: 500ms;
    }

    .pages__item:hover:after {
        transform: translate(-50%, -50%) scale(1, 1);
        opacity: 1;
    }

.page__item-active:after {
    transform: translate(-50%, -50%) scale(1, 1);
    opacity: 1;
}

.icon-link {
    position: absolute;
    left: 5px;
    bottom: 5px;
    width: 50px;
}

    .icon-link img {
        width: 100%;
        vertical-align: top;
    }

.icon-link--twitter {
    left: auto;
    right: 5px;
}