@font-face {
    font-family: Gotham SSm;
    /* src: url('/fonts/Gotham-SSm/GothamSSm-Black.otf'); */
    src: url('../fonts/Gotham-SSm/GothamSSm-Light.otf');
    /* src: url('/fonts/Gotham-SSm/GothamSSm-BlackItalic.otf');
    src: url('/fonts/Gotham-SSm/GothamSSm-Bold.otf');
    src: url('/fonts/Gotham-SSm/GothamSSm-BoldItalic.otf'); 
    src: url('fonts/Gotham-SSm/GothamSSm-Book.otf'); */
    /* src: url('/fonts/Gotham-SSm/GothamSSm-BookItalic.otf');
    src: url('/fonts/Gotham-SSm/GothamSSm-LightItalic.otf');
    src: url('/fonts/Gotham-SSm/GothamSSm-Medium.otf');
    src: url('/fonts/Gotham-SSm/GothamSSm-MediumItalic.otf'); */
}

html {
    --vwidth: 100vw;
    --vheight: calc(16/9*var(--vwidth));
    font-size: calc(1/1080*var(--vwidth));
}

@media (min-aspect-ratio: 9/16) {
    html {
        --vheight: 100vh;
        --vwidth: calc(9/16*var(--vheight));
        font-size: calc(1/1920*var(--vheight));
    }
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* This part is for showing the slider animation */

.window {
    position: relative;
    height: 1920rem;
    width: 1080rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.movable_parent {
    position: absolute;
    top: 0rem;
    left: 0rem;
    --width: 1080rem;
    height: 1920rem;
    width: calc(var(--width)*3);
    display: flex;
    flex-direction: row;
    transition: left 0.5s linear;
}

.background {
    position: relative;
    width: 1080rem;
    height: 1920rem;
    display: flex;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
}

.background2 {
    position: relative;
    top: -10rem;
    width: 1080rem;
    height: 1920rem;
    display: flex;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
}

.bg {
    height: 100%;
    width: 100%;
}

.bg2 {
    height: 100%;
    width: 100%;
}

/* For the cross symbol */

.cross_symbol_container {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 108rem;
    height: 108rem;
    left: 48rem;
    top: 102rem;
    opacity: 0.5;
    /* background: grey; */
    z-index: 1;
}

.cross_symbol_container .cross_oval {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    /* background-color: blue; */
}

.cross_oval .cross_hand {
    position: absolute;
    width: 54rem;
    height: 6rem;
    top: 50%;
    left: 50%;
    background-color: #9C88D8;
}

.cross_oval #hand1 {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.cross_oval #hand2 {
    transform: translate(-50%, -50%) rotate(45deg);
}

/* For navigation bar. When selected the 'nav_selected' class is to be added in js. And the direction of the box shadow should be changed depending on the situation */

.navigation_bar {
    position: absolute;
    width: 55%;
    height: 5.6%;
    top: 5.3%;
    border-radius: 200rem;
    background: rgb(109, 42, 244);
    display: flex;
    align-items: center;
    justify-content: space-around;
    font-size: 36rem;
    text-align: center;
    font-family: Gotham SSm;
    font-weight: 325;
    line-height: 144.2%;
    cursor: pointer;
    color: white;
    z-index: 2;
}

.observation_bar {
    height: 100%;
    width: 50%;
    border-radius: 200rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.question_bar {
    height: 100%;
    width: 50%;
    border-radius: 200rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav_selected {
    background: white;
    color: rgb(54, 18, 175);
    box-shadow: 4rem 2rem 10rem 2rem rgba(0, 0, 0, 0.284);
    /*The direction needs to be changed by putting a 'minus' sign befer '4px'*/
}

.nav_selected2 {
    background: white;
    color: rgb(54, 18, 175);
    box-shadow: -4rem 2rem 10rem 2rem rgba(0, 0, 0, 0.284);
}

/* For the instruction area */

.instructino_area {
    position: absolute;
    width: 984rem;
    height: 114rem;
    top: 288rem;
    left: 48rem;
}

.instructino_area p {
    margin: 0;
    font-family: Gotham SSm;
    font-style: normal;
    font-weight: 300;
    font-size: 36rem;
    line-height: 60rem;
    /* or 154% */
    color: #FFFDFD;
}

/* For Visual area */

.visual_area {
    position: absolute;
    width: 984rem;
    height: 520rem;
    top: 564rem;
    /* background-image: radial-gradient(119.99% 62.42% at 50% 36.33%, #2d0457 0%, #000108 100%);
    border-radius: 24rem; */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}








.visual_area P {
    font-family: Gotham SSm;
    font-weight: 80;
    font-size: 36rem;
}







/* For feedback bar */

.feedback_bar {
    position: absolute;
    border-radius: 20rem;
    width: 984rem;
    height: 180rem;
    top: 1120rem;
    background: linear-gradient(180deg, #12EAFA 0%, #0787E2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.5s, top 0.5s;
}

.feedback_bar p {
    font-family: Gotham SSm;
    font-weight: 80;
    font-size: 36rem;
    margin: 10rem;
    width: 85%;
    text-align: center;
    color: black;
}

.velocity_slider {
    position: absolute;
    /* top: 76%;
    width: 90%;
    height: 5%; */
    /* outline: 1px solid white; */
    top: 1318rem;
    /* left:165rem; */
    width: 984rem;
    height: 70rem;
    border-radius: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    

}

.force_slider {
    position: absolute;
    /* top: 76%;
    width: 90%;
    height: 5%; */
    /* outline: 1px solid white; */
    top: 1505rem;
    /* left:165rem; */
    width: 984rem;
    height: 70rem;
    border-radius: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    

}


.marker {
    position: absolute;
    width: 12rem;
    height: 38rem;
    /* background-color: white; */
    
     /* #2510A2; */
    border-radius: 5rem;
    /* z-index: 3; */
    overflow: hidden;
    background: WHITE;
    
}




#marker1 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 35%;
    
    
    
}

#marker3 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 0%;
   
    
    
}

#marker4 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: 0%;
   
    
    
}


#marker2 {
    /* top: 64.3%;
    right: 4%; */
    position: absolute;
    /* top: 1270rem; */
    right: 33%;
    
}

.mark {
    position: absolute;
    width: 12rem;
    height: 38rem;
    /* background-color: white; */
    
     /* #2510A2; */
    border-radius: 5rem;
    /* z-index: 3; */
    overflow: hidden;
    background: WHITE;
    
}



#marker5 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 35%;
    
    
    
}

#marker6 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 0%;
   
    
    
}

#marker7 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: 0%;
   
    
    
}


#marker8 {
    /* top: 64.3%;
    right: 4%; */
    position: absolute;
    /* top: 1270rem; */
    right: 33%;
    
}

.input_slider {
    -webkit-appearance: none;
    outline: none;
    overflow: none;
    width: 100%;
    /* position: absolute;
    top: 50%;
    transform: translateY(-50%); */
    z-index: 1;
    height: 12rem;
    border-radius: 6rem;
    background:  solid #FFFFFF;

}

.input_slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 60rem;
    height: 60rem;
    background: linear-gradient(180deg, #FF9231 0%, #FC6076 100%);

    border: 3rem solid #FFFFFF;
    border-radius: 50%;
    /* outline: 3;
    outline: 3rem solid #a59595; */
    z-index: 3;
}

.input_slider::-moz-range-thumb {
    -webkit-appearance: none;
    width: 60rem;
    height: 60rem;
    background: linear-gradient(180deg, #FF9231 0%, #FC6076 100%);

    cursor: pointer;
    /* outline: 3rem solid #FFFFFF; */
    border: 3rem solid #FFFFFF;
    border-radius: 50%;
    z-index: 3;
}



.label {
  
        position: absolute;
        
        top: 25%;
    /* background-color: black; */
    width: 100%;
    height: 128.64rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

#label2 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 30%;
    
    
    
}

#label1 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: -4%;
   
    
    
}

#label4 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: -4%;
   
    
    

}

#label3 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: 29%;
   
    
    

}

#label6 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: 31%;
    
    
    
}

#label5 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    left: -3%;
   
    
    
}

#label8 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: -2%;
   
    
    

}

#label7 {
    /* top: 64.3%;
    left: 5%; */
    position: absolute;
    /* top: 1270rem; */
    right: 31%;
   
    
    

}

.label span {
    
    margin: 0;
    font-family: Gotham SSm;
    font-style: normal;
    font-weight: 325;
    font-size: 36rem;
    line-height: 50.83rem;
    color: #FFFDFD;
}

.velocity {

    position: absolute;
        
        top: 110%;
   
    width: 100%;
    height: 128.64rem;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    font-family: Gotham SSm;
    font-style: normal;
    font-weight: 325;
    font-size: 36rem;
    line-height: 50.83rem;
    color: #FFFDFD;
    z-index: 1;

}

.friction {
    position: absolute;
        
    top: 100%;

width: 100%;
height: 128.64rem;
display: flex;
justify-content: center;
align-items: center;
margin: 0;
font-family: Gotham SSm;
font-style: normal;
font-weight: 325;
font-size: 36rem;
line-height: 50.83rem;
color: #FFFDFD;
z-index: 1;


}
/* .interaction_area .movable span {
    position: absolute;
    bottom: 105%;
    width: 15%;
    height: 100%;
    border: 6px solid rgb(255, 255, 255);
    border-radius: 20px;
    background: linear-gradient(#fb8d34, #f96074);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Gotham SSm;
    font-size: 40px;
    color: rgb(241, 247, 246);
    transform: translateX(-50%);
}

.interaction_area .movable span::after {
    content: '';
    border-top: 20px solid #ffffff;
    border-left: 20px solid rgba(0, 0, 0, 0);
    border-right: 20px solid rgba(0, 0, 0, 0);
    position: absolute;
    bottom: -025%;
    left: 50%;
    transform: translateX(-50%);
} */

.next_button {
    position: absolute;
    top: 1717rem;
    width: 45%;
    height: 128.64rem;
    border: none;
    border-radius: 200rem;
    background: linear-gradient(90deg, #10dca3, #3988fa);
    color: white;
    font-family: Gotham SSm;
    font-weight: 350;
    font-size: 39rem;
    cursor: pointer;
    /* top: 100%; */
}

.reset_button {
    position: absolute;
    top: 1537rem;
    width: 45%;
    height: 128.64rem;
    border: none;
    border-radius: 200rem;
    background: #FFFFFF;
    color: black;
    font-family: Gotham SSm;
    font-weight: 350;
    font-size: 39rem;
    cursor: pointer;
    opacity: 0;

}

.context_button {
    position: absolute;
    left: 924rem;
    top: 102rem;
    height: 108rem;
    width: 108rem;
    z-index: 1;
}



/* For all the images */

.table {
    position: absolute; width: 100%; height: 100%;  border-radius: 24rem;
}

.block_div {
    position: absolute; left: 50rem; top: 65%; height: 80rem; width: 80rem; 
}

.block {
    position:absolute; width: 100%; height: 100%; 

}

.rough_surface {

position: absolute; top : 87%; left: 55%;  width: 200rem; height: 40rem; 
background: #00000030;
font-family: Gotham SSm;
font-weight: 350;
font-size: 24rem;
color: #FFFFFF;
align-items: center;
justify-content: center;
text-align: top;
display: flex;
}

.smooth_surface {

    position: absolute; 
    
    
    
    top : 87%; left: 5%;  width: 210rem; height: 40rem; 
    background: #00000030;
    font-family: Gotham SSm;
    font-weight: 350;
    font-size: 24rem;
    color: #FFFFFF;
    align-items: center;
    justify-content: center;
    text-align: top;
    display: flex;
    }

.legend_KE{
    position: absolute; 
    
    
left: 20rem;
top: 32rem;


    /* top : 5%; left: 1%;  */
    width: 245rem; height: 40rem; 
    background: #1C5644BF;

    align-items: center;
    justify-content: center;
    text-align: top;
    display: flex;
    
} 

.text_KE {
    margin-left: 15%;
    /* font-family: Gotham SSm;
    font-weight: 350;
    font-size: 36rem;
    color: #FFFFFF;
    text-align: right; */

    font-family: Gotham SSm;
font-size: 24rem;
font-style: normal;
font-weight: 325;
line-height: 29px;
letter-spacing: 0em;
text-align: left;
color: #FFFFFF;


}

.color_KE {
    position: absolute;
    height: 36rem;
    width: 36rem;
    left: 0.5%;
    background: linear-gradient(180deg, #FFDE00 0%, #FF9600 100%);
    
}
.distance {
    position: absolute; left: 275rem; top: 79%; height: 40rem; width: 120rem; background-color: transparent; color: white;
    font-family: Gotham SSm;
    font-weight: 350;
    font-size: 26rem;
    text-align: left;
}

.legend_work{
    position: absolute;
    
   
left: 600rem;
top: 32rem;



    /* top : 5%; left: 48%; */
     width: 340rem; height: 40rem;
    background: #1C5644BF;
 
    align-items: center;
    justify-content: center;
    text-align: top;
    display: flex;
   
} 

.text_work {
    margin-left: 12%;
    /* font-family: Gotham SSm;
    font-weight: 350;
    font-size: 36rem;
    color: #FFFFFF; */
    text-align: right;

    font-family: Gotham SSm;
    font-size: 24rem;
    font-style: normal;
    font-weight: 325;
    line-height: 29px;
    letter-spacing: 0em;
   
    color: #FFFFFF;

}

.color_work {
    position: absolute;
    height: 36rem;
    width: 36rem;
    left: 0.05%;
    background: linear-gradient(180deg, #FF4BB1 0%, #FF0066 100%);

}

.KE_bar {
    position: absolute; top : 35%; width: 500rem; height: 50rem; 
    background: #1C5644BF;
    box-shadow: 0rem 5rem 5rem 0rem #00000040 inset;

    align-items: center;
    justify-content: center;
    text-align: top;
    display: flex;
    border-radius: 5rem;
    align-items: left;
    justify-content: left;

}

.fill_KE {
    position: absolute; width: 100%; height: 100%; 
    background: linear-gradient(180deg, #FFDE00 0%, #FF9600 100%); opacity: 0; border-radius: 3rem;
display: flex; justify-content: center; text-align: center; align-items: center; font-family: Gotham SSm;
font-weight: 700;
font-size: 36rem;
color: black;
}

.defill_KE {
    position: absolute; width: 100%; height: 100%; background: linear-gradient(180deg, #FFDE00 0%, #FF9600 100%);
opacity: 0; border-radius: 3rem;
    display: flex; justify-content: center; text-align: center; align-items: center; font-family: Gotham SSm;
    font-weight: 700;
    font-size: 36rem;
    color: black;
}

.change_in_KE {
    position: absolute; top : -160%; width: 100%; height: 100%; background-color: transparent; border-radius: 10rem;
    display: flex; justify-content: center; text-align: center; align-items: center; font-family: Gotham SSm;
    font-weight: 350; opacity: 0;
    font-size: 30rem;
    color: white;
}



.double_arrow {
    position: absolute; right: 0rem; top: 120%; 
    
    width: 10rem;
    height: 4rem;
    border-radius: 4rem;
    background-color: #FFFFFF;
    opacity: 0;

}

.arrow_right {
    position: absolute;
     right: 0rem; 
     top: -14rem;
        width: 0; 
        height: 0; 
        border-top: 16rem solid transparent;
        border-bottom: 16rem solid transparent;
        border-right: 0rem;
        border-left: 16rem solid #FFFFFF;
     
        opacity: 0;
}

.arrow_left {
    position: absolute;
     left: 0rem; 
     top: -14rem;
        width: 0; 
        height: 0; 
        border-top: 16rem solid transparent;
        border-bottom: 16rem solid transparent;
        border-left: 0rem;
        border-right: 16rem solid #FFFFFF;
     
        opacity: 0;
}

.fill_work {
    position: absolute; width: 100%; height: 100%; background: linear-gradient(180deg, #FF4BB1 0%, #FF0066 100%);
    opacity: 0; border-radius: 3rem;
    display: flex; justify-content: center; text-align: center; align-items: center; font-family: Gotham SSm;
font-weight: 700;
font-size: 36rem;
color: white;
}
.work_bar {
    position: absolute; top : 50%; width: 500rem; height: 50rem;
    background: #1C5644BF;
    box-shadow: 0rem 5rem 5rem 0rem #00000040 inset; 
    align-items: center;
    justify-content: center;
    text-align: top;
    display: flex;
    border-radius: 5rem;
    align-items: left;
    justify-content: left;
}

.arrow_div {
    position: absolute; left:328rem; top: 81%; 
    
    width: 10rem;
    height: 6rem;
    border-radius: 4rem;
    background-color: #FFFFFF;
    opacity: 0;

}

.arrow {
    position: absolute;
     left: -1rem; 
     top: -14rem;
        width: 0; 
        height: 0; 
        border-top: 16rem solid transparent;
        border-bottom: 16rem solid transparent;
        border-right: 0rem;
        border-left: 16rem solid #FFFFFF;
     
        opacity: 0;

      
}

.arrow_line {

    position: absolute;
    left: 11rem;
    top: -10rem;
    width: 3rem;
    height: 25rem;
    border-radius: 5rem;
    overflow: hidden;
    background: WHITE;
    opacity: 0;
    

}

    /* .arrow_div:after {
        content: "";
        display: inline-block;
        width:20rem ;
        height: 4rem;
        background-color: #FFFFFF;
        transform: rotate(45deg);
        position: absolute;
        right: -2rem;
        bottom: 5rem;

    }

    .arrow_div:before {
        content: "";
        display: inline-block;
        width:20rem ;
        height: 1rem;
        background-color: #FFFFFF;
        transform: rotate(-45deg);
        position: absolute;
        right: -2rem;
        bottom: -3rem;

    } */

/* .arrow {
    position:absolute; width: 100%; height: 100%; 

} */