html, body {
    margin: 0;
    padding: 0;
    position: fixed;
    width: 100%; height: 100%;
    background: #fff;
    overflow: hidden;
    font-size: 10px;
    font-size: calc((100dvw + 100dvh) / 256);
    --transition-duration: 0.5s;
}

* {
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}


main {
    position: absolute;
    left: 0; top: 0; width: 100%; height: 100%;
    align-content: center;
    background-image: url(images/setka-gold.svg);
    background-repeat: repeat-x;
    background-position: bottom;
    background-size: auto 70% ;
    perspective: 1000px;
}

section.slide {
    position: absolute;
    left: 0%; top: 0%; width: 100%; height: 100%;
    transition: transform calc(var(--transition-duration) * 2), opacity calc(var(--transition-duration) * 2);
}

section.slide.notrans {
    transition: none;
}

section.slide.right {
    transform: translateX(100%) rotateY(60deg) scale(0.5);
    /* transform: translateX(100%); */
    opacity: 0;
}

section.slide,
section.slide.center {
    transform: translateX(0%) rotateY(0deg) scale(1);
    /* transform: translateX(0%); */
    opacity: 1;
}

section.slide.left {
    transform: translateX(-100%) rotateY(-60deg) scale(0.5);
    /* transform: translateX(-100%); */
    opacity: 0;
}

section .content {
    position: absolute;
    left: 50%; top: 50%; 
    transform: translate(-50%,-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content: center;
}



button.big {
    position: relative;
    width: 30rem;
    height: 7rem;
    line-height: 7rem;
    border-radius: 3.5rem;
    border: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.4rem;
    color: #fff;
    text-shadow: 0 0 1rem rgba(255, 255, 255, 0.5);
    box-shadow: 0 1.3rem 3rem rgba(0, 0, 0, 0.4);
    display: flex;
    cursor: pointer;
    transition: transform var(--transition-duration), opacity var(--transition-duration), box-shadow var(--transition-duration);
    will-change: transform;
    opacity: 1;
}

button.big.hidden {
    opacity: 0;
}

button.big svg {
    position: absolute;
    left: 0; top: 0; width: 100%; height: 100%;
}

button.big svg rect { transition: opacity var(--transition-duration); }
button.big svg rect.gold { opacity: 0; }
button.big:hover svg rect.gold { opacity: 1; }
button.big.clicked svg rect.gold { opacity: 1; }

button.big span {
    width: 100%;
    z-index: 2;
}

button.big.clicked,
button.big.pressed,
button.big:active  {
    transform: scale(0.95);
    transition-duration: 0.1s;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.4);
}






section#intro .content div { display: flex; flex-direction: row; justify-content: center; }
section#intro .content div.logo img { height: 40rem; }
section#intro .content div.line img { height: 10rem; }
section#intro .content div.title { height: 7rem; }
section#intro .content div.title img { height: 3.6rem; position: relative; top: calc(50% - 1.8rem); }
section#intro .content div.btn { height: 20rem; }
section#intro .content div.btn button { top: calc(50% - 5rem); }
section#intro img#intro_img { 
    position: absolute; 
    right: 0; bottom: 0; width: calc((35dvw + 35dvh) / 2); height: auto;
    transform: translate(12rem,12rem);
    pointer-events: fill;
    cursor: pointer;
}

/* section#intro2 .content div { display: flex; flex-direction: row; justify-content: center; }
section#intro2 .content div.logo img { height: 40rem; }
section#intro2 .content div.line img { height: 10rem; }
section#intro2 .content div.title { height: 7rem; }
section#intro2 .content div.title img { height: 3.6rem; position: relative; top: calc(50% - 1.8rem); }
section#intro2 .content div.btn { height: 20rem; }
section#intro2 .content div.btn button { top: calc(50% - 5rem); }

section#intro3 .content div { display: flex; flex-direction: row; justify-content: center; }
section#intro3 .content div.logo img { height: 40rem; }
section#intro3 .content div.line img { height: 10rem; }
section#intro3 .content div.title { height: 7rem; }
section#intro3 .content div.title img { height: 3.6rem; position: relative; top: calc(50% - 1.8rem); }
section#intro3 .content div.btn { height: 20rem; }
section#intro3 .content div.btn button { top: calc(50% - 5rem); } */


section.question { will-change: transform; }

section.question .content { width: 100%; height: 100%; }

section.question .content .media { 
    /* position: absolute;  */
    position: relative;
    /* left: 0; top: 0; width: 100%; height: 100%; */
    height: 45dvh;
    /* background-color: rgba(0, 0, 0, 0.7); */
    /* background-color: rgba(0, 0, 0, 0.05); */
    border-radius: 4rem;
    transition: transform var(--transition-duration), opacity var(--transition-duration), filter var(--transition-duration);
    filter: blur(0px);
    overflow: hidden;
}

section.question.right .content .media { 
    /* display: none; */
}

section.question .content .media.hidden { 
    transform: scale(0.9);
    opacity: 0;
    pointer-events: none;
    filter: blur(30px);
}

section.question .content button[data-role="qnum"] { 
    position: absolute; 
    left: 4rem; top: 4rem;
    width: 9rem;
    z-index: 100;
    pointer-events: none;
}

section.question .content .media button[data-role="continue"] { 
    position: absolute; 
    left: 50%; bottom: 10rem;
    transform: translate(-50%);
    z-index: 3;
}

section.question .content .media button[data-role="continue"]:active { 
    transform: translate(-50%) scale(0.95);
}

section.question .content .qbody { 
    position: absolute; 
    left: 50%; top: 50%; transform: translate(-50%,-50%);
    height: 100%; min-width: 80dvw;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    transition: transform var(--transition-duration), opacity var(--transition-duration);
}

section.question .content .qbody.hidden {
    transform: translate(-50%,-50%) scale(0.9);
    opacity: 0;
    pointer-events: none;
}

section.question .content .counter { 
    position: absolute; 
    right: 4rem; top: 3rem;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.6rem;
    color: #8E7547;
    text-shadow: 0 0.3rem 0.8rem rgba(0, 0, 0, 0.3);
    z-index: 10;
}

section.question .content .qbody .text { 
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 3rem;
    color: #07519A;
    text-shadow: 0 0.3rem 0.8rem rgba(0, 0, 0, 0.3);
    padding: 0 0 4rem 0;
}

section.question .content .qbody .line { 
    max-width: 80dvw;
    text-align: center;
}

section.question .content .qbody .line img { 
    width: 90%;
}

section.question .content .qbody .btns { 
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 5rem
}

@media screen AND (max-width: 500px){
    section.question .content .qbody .btns { 
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem
    }
    
}

section.question .content .qbody .btns div { 
    display: flex;
    width: 100%;
    flex-direction: column;
    justify-content: center;
    align-content: center;
    gap: 1.5rem
}

section.question .content .qbody .btns div button { width: 100% }
section.question .content .qbody .btns div button:not(.correct).clicked { filter: saturate(0.2)  }



section.question .content .media .images { 
    position: absolute; 
    left: 0; top: 0; width: 100%; height: 100%;
    border-radius: 3rem;
    overflow: hidden;
    z-index: 1;
}

section.question .content .media .images > img { 
    position: absolute; 
    left: 50%; top: 50%; width: auto; height: 100%; 
    border-radius: 3rem;
    /* object-fit: contain; */
    /* background-color: rgba(0, 0, 0, 0.60); */
    transition: transform var(--transition-duration), opacity var(--transition-duration), left var(--transition-duration);
    pointer-events: none;
    transform: translate(-50%,-50%);
    opacity: 1;
}

section.question .content .media .images > img.right { 
    left: 100%;
    transform: translate(10%,-50%);
    opacity: 0.5;
}

section.question .content .media .images > img.left { 
    left: 0%;
    transform: translate(-110%,-50%);
    opacity: 0.5;
}

section.question .content .media .images button[data-role="prev"],
section.question .content .media .images button[data-role="next"] { 
    position: absolute;
    top: 50%; 
    width: 6rem; height: 6rem;
    z-index: 3;
}

section.question .content .media .images button[data-role="prev"] img,
section.question .content .media .images button[data-role="next"] img { 
    position: absolute;
    left: 0; top: 0; width: 100%; height: 100%;
    pointer-events: none;
    z-index: 10;
}

section.question .content .media .images button[data-role="prev"] { left: 3rem; }
section.question .content .media .images button[data-role="next"] { right: 3rem; } 

section.question .content .media .dots { 
    position: absolute; 
    left: 50%; bottom: 2rem; transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: row;
    gap: 1.0rem;
    padding: 1.0rem 1.5rem;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 3rem;
    font-size: 0;
}

section.question .content .media .dots div { 
    width: 0.6rem; height: 0.6rem;
    background-color: white;
    border-radius: 1rem;
    opacity: 0.5;
    transition: width var(--transition-duration), opacity var(--transition-duration);
}

section.question .content .media .dots div.active { 
    width: 2rem; 
    opacity: 1;
}




section#complete .content div { display: flex; flex-direction: row; justify-content: center; }
section#complete .content div.text { 
    display: block;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 3rem;
    color: #07519A;
    text-shadow: 0 0.3rem 0.8rem rgba(0, 0, 0, 0.3);
    padding: 5rem;
}
section#complete .content div.text  span.count { 
    color: #8E7547;
    font-weight: bold;
}
section#complete .content div.line { max-width: 90dvw; }
section#complete .content div.line img { width: 100%; }
section#complete .content div.btn { height: 20rem; }
section#complete .content div.btn button { top: calc(50% - 5rem); }
section#complete img#complete_img { 
    position: absolute; 
    right: 0; bottom: 0; width: calc((50dvw + 50dvh) / 2); height: auto;
    transform: translate(20rem,23rem);
}

section#complete .content .form { 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

section#complete .content .form input { 
    width: 60%;
    border: 0.3rem solid #f4c97a;
    border-radius: 1rem;
    padding: 1rem 2rem;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.6rem;
    color: #5d6e76;
    box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.3);
}

section#complete .content .form input::placeholder { 
    color: #bac2c6;
}

@media screen AND (max-width: 500px){
    section.question .content .qbody .text { 
        font-size: 4rem;
        padding: 4rem 0;
    }
    section#complete .content div.text { 
        padding: 2rem 0;
        font-size: 4rem;
    }
    section#complete .content .form input { 
        font-size: 3.6rem;
        min-width: 50dvw;
    }
    section.question .content .a_comment {
        min-width: 80dvw;
    }
    
}


section.question .content .a_comment {
    position: absolute;
    box-sizing: border-box;
    left: 50%; top: 50%; transform: translate(-50%,-50%);
    padding: 4rem 3rem;
    border-radius: 4rem;
    background-color: white;
    box-shadow: 0 0.5rem 3rem rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-duration), opacity var(--transition-duration), filter var(--transition-duration);
    filter: blur(0px);
}

section.question .content .a_comment.hidden {
    transform: translate(-50%,-50%) scale(0.6);
    opacity: 0;
    filter: blur(30px);
    pointer-events: none;
}

section.question .content .a_comment div.image {
    height: 30dvh;
    text-align: center;
    margin-bottom: 5rem;
}

section.question .content .a_comment div.image img {
    height: 100%; width: auto;
    border-radius: 3rem;
}

section.question .content .a_comment div.text {
    padding: 0 3rem 3rem 3rem;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.6rem;
    color: #07519A;
}

section.question .content .a_comment div.btn {
    display: flex;
    justify-content: center;
}