@font-face {
    font-family: 'Alumni Sans Regular';
    src: url('fonts/AlumniSans-Regular.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Alumni Sans SemiBold';
    src: url('fonts/AlumniSans-SemiBold.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope Thin';
    src: url('fonts/Manrope-Thin.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope Light';
    src: url('fonts/Manrope-Light.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope Regular';
    src: url('fonts/Manrope-Regular.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope Medium';
    src: url('fonts/Manrope-Medium.woff2') format('woff2');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope Bold';
    src: url('fonts/Manrope-Bold.woff2') format('woff2'),
        url('fonts/Manrope-Bold.woff') format('woff');
    font-style: normal;
}

@font-face {
    font-family: 'Manrope ExtraBold';
    src: url('fonts/Manrope-ExtraBold.woff2') format('woff2'),
        url('fonts/Manrope-ExtraBold.woff') format('woff');
    font-style: normal;
}

#demo {
    position: fixed;
    z-index: 10;
    top: 30px;
    left: 30px;
    color: green;
    font-weight: bold;
}

* {
    margin: 0;
}

html {
    overflow-x: hidden;
    height: 100%;
}


body {
    height: 100%;
    width: 100%;
    font-size: 14px;
    font-family: 'Manrope Thin';
}

.startcurtain {
    position: fixed;
    z-index: -5;
    height: 100%;
    width: 100%;
    zoom: 1;
    animation: disp 4s;
    
}

@keyframes disp {
    0% {
        z-index: 5;;
    }

    100% {
        z-index: 5;
    }
    
}



.startcurtain .box {
    clip: rect(0, auto, auto, 0);
    position: absolute;
    height: 100%;
    text-align: center;
    align-content: center;
}

.startcurtain .box1 {
    width: 100%;
    height: 100%;
    left: 0;
    background: white;
    animation: box1 4s;
    opacity: 0;
}

@keyframes box1 {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }

}

.startcurtain .box2 {
    height: 100%;
    background: black;
    animation: box2 4s;
    right: 0;

}

@keyframes box2 {
    5% {
        width: 0%;
    }

    50% {
        width: 100%;
        opacity: 1;
    }

    100% {
        width: 100%;
        opacity: 0;
    }
}

.startcurtain .box .compname {
    position: absolute;
    top: 50%;
    width: 100%;
    right: center;
    font-size: 46px;
    align-content: center;
    text-align: center;
    text-transform: uppercase;
    animation: label 6s;
    opacity: 0;
}

@keyframes label {

    4% {
        position: fixed;
        display: block;
        margin: auto;
        width: 100%;
        top: 50%;
        left: 0;
        opacity: 1;
    }

    70% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

.startcurtain .box1 .compname1 span {
    animation: label1_span 3s;
}

@keyframes label1_span {
    0% {}

    35% {
        background: black;
        color: transparent;
        background-clip: text;
    }
}

.startcurtain .box2 .compname2 span {
    color: white;
}

.startcurtain .box .compname #left {
    float: left;
    width: 50%;
    text-align: right;
    animation: label-left 6s;
}

@keyframes label-left {
    0% {
        margin-top: -30px;
    }


    35% {
        margin-top: 0px;
    }

    100% {
        margin-top: 0px;

    }
}

.startcurtain .box .compname #right {
    float: left;
    width: 50%;
    text-align: left;
    font-family: 'Manrope ExtraBold';
    animation: label-right 6s;

}

@keyframes label-right {
    0% {
        margin-top: 30px;
    }

    35% {
        margin-top: 0px;
    }

    100% {
        margin-top: 0px;

    }
}


header {
    background-color: rgba(0, 0, 0, 0.95);
    position: fixed;
    top: -10vh;
    width: 100vw;
    height: 9vh;
    z-index: 4;
    display: block;
    transition: top 0.5s;
    color: white;
    text-transform: uppercase;
    user-select: none;
    transition: height 1s, top 1s;

}

.rollout {
    height: 100vh;
    overflow: hidden;
}

.label {
    float: left;
    font-size: 3.5vh;
    user-select: none;
    padding: 10px;
    font-family: 'Manrope Thin';
}

.label strong {
    font-family: 'Manrope ExtraBold';
}

.burger {
    float: right;
    user-select: none;
    cursor: pointer;
    margin-top: 7px;
    padding: 10px 20px 10px 10px;
}

.bar1,
.bar2,
.bar3 {
    width: 28px;
    height: 3px;
    margin-bottom: 6px;
    background-color: white;
    transition: 0.4s;
}

.change .bar1 {
    transform: translate(0, 9px) rotate(-45deg);
}

.change .bar2 {
    opacity: 0;
}

.change .bar3 {
    transform: translate(0, -9px) rotate(45deg);
}

ul {
    list-style: none;
}

.burger_menu {
    position: absolute;
    width: 60vw;
    top: 20vh;
    left: 50vw;
    margin-left: -30vw;
    height: 100vh;
    transition: margin-top 1s;
    margin-top: -100vh;
}

.burger_menu ul {
    text-align: center;

}

.burger_menu ul li {
    font-size: 4vh;
    line-height: 10vh;
    cursor: pointer;
    margin-right: 0px;
    transition: 1s;
}

.burger_menu ul li:hover {
    opacity: 0.7;
    margin-right: -10px;
}

.dropdown {
    margin-top: 0vh;

}

.block {
    position: relative;
    height: 100vh;
    width: 100wh;
}

.start_block {
    font-size: 1.2rem;
    color: white;
    text-transform: uppercase;
}

.crossfade {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;

}

.container {
    position: absolute;
    animation: imageAnimation 18s linear infinite 0s;
    background-size: cover;
    background-position: center center;
    opacity: 0;
    width: 100vw;
    height: 100vh;
    transition: transform 6s;
}

.container1 {
    background-image: url('images/building.jpg');
    transform: scale(1.2);
}

.container2 {
    animation-delay: 6s;
    background-image: url('images/alprofile.jpg');
    transform: scale(1.2);
}

.container3 {
    animation-delay: 12s;
    background-image: url('images/bedroom.jpg');
    transform: scale(1.2);
}

@keyframes imageAnimation {
    25% {
        opacity: 1;
        transform: scale(1.05) 0.002
    }

    40% {
        opacity: 0;
        transform: scale(1.02)
    }

    100% {
        opacity: 0;
        transform: scale(1)
    }
}

.veil {
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100vw;
    z-index: 1;
    background-color: black;
    opacity: 0.3;
}

.start_block .top {
    position: absolute;
    top: 0;
    width: 100vw;
    z-index: 3;
}

.start_block .top .left {
    float: left;
    width: 20vw;
    text-align: left;
    padding: 1vw 3vw;

}

.start_block .top strong {
    font-family: 'Manrope ExtraBold';
}

.start_block .top .right {
    float: right;
    width: 60vw;
    text-align: right;
    padding: 1vw 3vw;
}

.start_block .menu {
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding: 3vw;
}

.start_block .menu ul {
    list-style: none;
    text-align: right;

}

.start_block .menu ul li {
    cursor: pointer;
    user-select: none;
    font-size: 1rem;
    line-height: 2.4rem;
    margin-right: 0px;
    transition: 1s;
}

.start_block .menu ul li:hover {
    opacity: 0.7;
    margin-right: -10px;
}

.caption {
    position: absolute;
    font-family: 'Alumni Sans Regular';
    font-size: 9vw;
    color: white;
    line-height: 9vw;
}

.caption1 {
    left: 3vw;
    bottom: 11.5vw;
    z-index: 1;
}

.caption1 p:nth-child(1),
.caption1 p:nth-child(2) {
    -webkit-text-stroke: 1px white;
    color: transparent;
    user-select: none;
}

.caption2 {
    left: 3vw;
    bottom: 3vw;
    z-index: 3;
}

.caption2 i {
    color: white;
    vertical-align: bottom;
    line-height: 8vw;
    margin-left: 0.5vw;
}

.caption .fa {
    font-size: 5vw;
    rotate: 45deg;
}

.curtain {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    width: 0vw;
    height: 100vh;
    background-color: black;
    color: white;
}

.about_us {
    background-color: white;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: flex-end;
    gap: 3vh 3vw;
    height: 90vh;
    text-align: center;
    padding: 40px 0vw 40px;
}

.to_know {
    display: inline-block;
    text-align: left;
    width: 550px;
    user-select: none;
}

.to_know h3 {
    font-family: 'Alumni Sans Regular';
    font-size: 64px;
    font-weight: bold;
    color: grey;
    margin-bottom: 1vw;
    width: 550px;
}

.to_know p {
    font-size: 16px;
    margin-top: 2vw;
    width: 550px;
}

.expirience {
    display: inline-block;
    width: 550px;
    user-select: none;
    font-weight: bold;
}

.expcontainer {
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    gap: 5vw;
}

.expblock {
    width: 170px;
    text-align: left;
}

.expblock :nth-child(3) {
    color: rgb(156, 156, 156);
    clear: left;
    font-family: 'Alumni Sans SemiBold';
    line-height: 20px;
    font-size: 20px;
}

#rocket1,
#rocket2,
#rocket3 {
    float: left;
    font-family: 'Alumni Sans Regular';
    font-size: 124px;
}

.plus {
    float: right;
    font-family: 'Alumni Sans Regular';
    font-size: 124px;
}

.expblock1 .plus {
    transform: translateX(-10px);
}

.expblock2 .plus {
    transform: translateX(-20px);
}

.expblock3 {
    width: 7vw;
}

.partners_list {
    text-align: center;
    overflow-x: scroll;
    white-space: nowrap;
}

.partner {
    display: inline-block;
    text-align: center;
    margin: 10px 30px;
}

.partner:hover {}

.partner img {
    width: 130px;
    height: 60px;
}

.we_can,
.how_work,
.feedback_form {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    gap: 50px;
    height: auto;
    background-color: rgba(0, 0, 0, 0.95);
    padding: 70px 70px 100px;
}

.we_can .header,
.how_work .header {
    width: 100vw;
    text-align: left;
    padding: 0px 40px;
}

.we_can .header p {
    font-family: 'Alumni Sans SemiBold';
    font-size: 70px;
    color: transparent;
    -webkit-text-stroke: 1px white;
    text-transform: uppercase;
}

.we_can .left_content {
    color: white;
    width: 400px;
}

.we_can .left_content p span {
    text-transform: uppercase;
}

.we_can .left_content p #bigger {
    font-size: 24px;
    font-family: 'Alumni Sans SemiBold';
}


.we_can .left_content p #border {
    border: 1px solid white;
    padding: 5px 20px;
    font-weight: bold;
    user-select: none;
    cursor: pointer;
}

.slider_list {
    width: 600px;
    height: 350px;
    overflow: hidden;
}

.slides {
    display: flex;
    flex-shrink: 0;
    width: 600px;
    height: 350px;
}

img {
    width: 600px;
    height: 350px;
    transition: margin-left 1s;
}

.how_work {
    background-color: white;
    color: black;
    column-gap: 0px;
    align-items: end;
    font-size: 12px;
}


.how_work .header p {
    font-family: 'Alumni Sans SemiBold';
    font-size: 70px;
    color: black;
    text-transform: uppercase;
}

.how_work .left_content {
    position: relative;
    color: black;
    width: 400px;
    background-color: rgba(241, 241, 241, 0.808);
    height: 300px;
    padding: 50px 50px 0px 50px;
    vertical-align: bottom;
}

.how_work .left_content span {
    font-family: 'Alumni Sans SemiBold';
    font-size: 184px;
    color: rgb(214, 214, 214);
    position: absolute;
    left: 40px;
    top: -80px;

}

.how_work .left_content #grey {
    color: grey;
}

#first {
    display: block;
}

#second {
    display: none;
}

.feedback_form {
    padding: 100px 100px;
    justify-content: flex-start;
    column-gap: 80px;
}

.feedback_form .left_content {
    width: 400px;
    text-align: left;
}

.feedback_form p {
    font-family: 'Alumni Sans SemiBold';
    text-transform: uppercase;
    color: white;
    font-size: 40px;
}

.feedback_form .right_content {
    width: 580px;
}

.feedback_form .right_content input {
    display: block;
    font-family: 'Alumni Sans SemiBold';
    text-transform: uppercase;
    font-size: 30px;
    margin-bottom: 40px;
    margin-top: 4px;
    width: 40vw;
}

.feedback_form .right_content #border {
    position: relative;
    top: 20px;
    border: 1px solid white;
    padding: 5px 20px;
    font-weight: bold;
    user-select: none;
    cursor: pointer;
    color: white;
    text-transform: uppercase;
    font-size: 20px;
    font-style: 'Manrope Thin';
    font-weight: 100;

}

hr {
    width: 100vw;
}

.feedback_form .contacts {
    width: 100vw;
    text-align: left;

}

.feedback_form .contacts p {
    display: block;
}


video {

    width: 600px;

    height: 350px;

}


@media screen and (max-width: 600px) {
    .startcurtain .box .compname {
        font-size: 24px;
    }

    header {
        height: 56px;
    }

    .label {
        font-size: 20px;
        user-select: none;
        padding: 12px;
    }

    .burger_menu {
        width: 70vw;
        left: 10vw;
        margin-left: 0vw;
    }

    .burger_menu ul {
        text-align: center;
    }

    .burger_menu ul li {
        font-size: 5vw;
    }

    .start_block .top .right {
        display: none;
    }

    .start_block .menu {
        display: none;
    }

    .start_block .caption {
        font-size: 18vw;
        line-height: 18vw;
    }

    .start_block .caption1 {
        bottom: 34.5vw;
    }


    .start_block .caption2 {
        bottom: 15.5vw;
    }


    .caption2 i {
        vertical-align: bottom;
        line-height: 20vw;
        margin-left: 0.5vw;
    }

    .caption .fa {
        font-size: 10vw;
    }

    .about_us {

        padding: 30px 0px 50px;
    }

    .to_know {
        max-width: 80vw;
    }

    .to_know h3 {
        font-size: 42px;
        max-width: 80vw;
    }

    .to_know p,
    .we_can p,
    .how_work p {
        font-size: 14px;
        max-width: 80vw;
    }

    .expirience {
        max-width: 100vw;
    }

    .expcontainer {
        justify-content: center;
        gap: 1vw;
    }


    .expblock {
        max-width: 30vw;
        transform: translateX(-4.5vw);
    }

    .expblock:nth-child(1),
    .expblock:nth-child(2),
    .expblock:nth-child(3) {
        font-size: 3vw;
    }

    #rocket1,
    #rocket2,
    #rocket3 {
        font-size: 20vw;
    }

    .plus {
        font-size: 20vw;
    }

    .expblock1 .plus {
        transform: translateX(-4vw);
    }

    .expblock2 .plus {
        transform: translateX(-6vw);
    }

    .expblock3 {
        /* max-width: 30vw; */
    }

    .we_can,
    .how_work,
    .feedback_form {
        padding: 20px 40px 20px;
    }

    .we_can1 {
        padding-top: 40px;
    }

    .we_can .header,
    .how_work .header {
        padding: 0px;

    }

    .how_work {
        row-gap: 7vh;
        margin: 0;
        margin-bottom: 3vh;
        margin-top: 3vh;
    }

    .how_work .left_content {
        height: auto;
        padding: 0vw 10vw 10vw;
    }

    .how_work .left_content span {
        font-size: 30vw;
        left: 10vw;
        top: -9vh;
    }

    #first {
        display: none;
    }

    #second {
        display: block;
    }

    .feedback_form {
        padding-top: 80px;
    }

    .feedback_form .right_content input {
        width: 70vw;
    }

    video {
        width: 90vw;
        height: 58vw;
    }

    .slider_list,
    .slides,
    img {
        width: 90vw;
        height: 58vw;
    }
}