/* @import 'reset.css'; */
/* @import 'spacer.css'; */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;700&family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --grey50: #FAFAFA;
    --grey100: #F5F5F5;
    --grey200: #EEEEEE;
    --grey300: #E0E0E0;
    --grey400: #BDBDBD;
    --grey500: #9E9E9E;
    --grey600: #757575;
    --grey700: #616161;
    --grey800: #424242;
    --grey900: #212121;

    --color-primary: #000000;
    --color-secondary: #9900FF;

    --bg-light: #FFFFFF;
    --bg-dark: #121212;
}

* {
    font-family: 'Outfit', 'Inter', 'Noto Sans KR', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

ul, li {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    background-color: transparent;
    border: transparent;
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.25;
    border-radius: 2rem;

    padding: 0.5rem 1.5rem;
    /* margin: 1rem; */
    /* margin: 0 1rem 0.5rem 0;  */
}
.button-primary{
    background-color: var(--bg-dark);
    border: 2px solid var(--bg-dark);
    color: var(--bg-light);
}
.button-secondary{
    background-color: transparent;
    border: 2px solid var(--bg-dark);
    color: var(--bg-dark);
}



body {
    margin: 0;
    background-color: var(--bg-light);
}

body.dark-theme {
    background-color: var(--bg-dark);
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    height: 4rem;
    padding: 0 4rem;
    margin: 0 auto;
}

header .end {
    display: inline-flex;
    align-items: center;
}

header .button-menu {
    display: none;
}

header .button-toggle-theme button,
header .button-menu button{
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem;
    margin-left: 1rem;
}
header .button-sign-in button{
    margin-left: 1rem;
}

@media only screen and (max-width: 1023px) {
    header {
        padding: 0 1.5rem;
    }

    header .center,
    header .button-sign-in {
        display: none;
    }

    header .button-menu {
        display: inline-block;
    }
}

@media only screen and (max-width: 767px) {
    header {
        padding: 0 1.25rem;
    }
}

.logo svg {
    display: block;
    fill: var(--color-primary);
    /* background-color: var(--color-secondary); */
}



nav li {
    display: inline-block;
    padding: 16px;
    /* align-items: center; */
    /* justify-content: center; */
}

header .theme-icon-light,
header .theme-icon-dark {
    display: none;
}

header .theme-icon-light.active,
header .theme-icon-dark.active {
    color: var(--grey900);
    display: flex;
}

/* main */
main {
    max-width: 1280px;
    padding: 0 4rem;
    margin: 0 auto;
}

main .columns {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: row;

}

main .column {
    margin: 1rem 0;
    width : 50%;
}

main .layout-image-left .columns{
    flex-direction: row-reverse;
}

main .column.model-viewer{
    height: 30rem;
}

main .layout-image-left .column.model-viewer {
    padding-right: 6rem;
}


section{
    margin: 3rem 0rem;
}

.copy-wrapper {
    margin-bottom: 2rem;   
}




@media only screen and (max-width: 1023px) {
    main {
        padding: 0 1.5rem;
    }
    
    main .layout-image-left .column.model-viewer {
        padding-right: 4rem;
    }
    

    section{
        margin: 0;
    }
}

@media only screen and (max-width: 767px) {
    main {
        padding: 0 1.25rem;
    }
    main .hero .columns{
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        text-align: center;
    }

    main .columns,
    main .layout-image-left .columns{
        flex-direction: column-reverse;
    }
    

    main .column {
        width : 100%;
    }
    main .column.model-viewer,
    main .layout-image-left .column.model-viewer  {
        
        margin: 0 1rem;
        padding: 0 1rem;
        width: 75vw;
        height: 45vh;
    }
    
    .copy-wrapper {
        margin-bottom: 0.5rem;   
    }
}

/* footer */
footer {
    max-width: 1280px;
    padding: 6.25rem 4rem;
    margin: 0 auto;
    /* align-items: space-between; */
}

@media only screen and (max-width: 1023px) {
    footer {
        padding: 0 1.5rem;
    }
}

@media only screen and (max-width: 767px) {
    footer {
        padding: 0 1.25rem;
    }
}

footer .bottom {
    /* font-weight: 700; */
    display: flex;
    justify-content: space-between;
}

footer .bottom li {
    display: inline;
}

footer .columns {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    box-sizing: border-box;
}

footer .column {
    width: 20%;
    margin-bottom: 2.5rem;
}

footer h6{
    padding-bottom: 1rem;
    margin-right: 2rem;
    border-bottom: 1px solid var(--grey300);
}

footer .columns ul,
footer .columns li{
    margin: 0 0 1rem 0;
    padding: 0;
    list-style: none;
}

@media only screen and (max-width: 1023px) {
    footer .columns {
       flex-wrap: wrap;
    }
    footer .column.logo{
        width: 100%;
        margin : 2.5rem 0; 
    }
    footer .column {
        width: 50%;
    }
    footer h6{
        margin-right: 3rem;
    }
}

@media only screen and (max-width: 424px) {
    footer h6{
        margin-right: 2rem;
    }
}

span {
    white-space: nowrap;
}

a {
    color: var(--grey900);
    text-decoration: none;
    font-size: 1rem;
    /* height: 1.5rem; */
}

footer .columns a {
    color: var(--grey600);
    /* margin-bottom: 16px; */
    /* height: 60px; */
}


footer .bottom,
footer .bottom a, 
footer .bottom p{    
    color: var(--grey500);
    align-items: center;
}

footer .company-info,
footer .company-info a {
    color: var(--grey400);
}

footer .social {
    align-items: center;
}

footer .social li {
    
    display: inline;
    text-decoration: none;

    /* color: var(--color-primary); */
}

.social svg {
    fill: var(--grey500);
}

.social svg:hover {
    fill: var(--color-primary);

}


/* svg:hover { */
/* } */



/* ul {
 
    list-style: none;
} */