/* Font */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');


/* Color variables */

:root
{
    --background-color: #1b1b1bff;
    --background-color-header_footer: #000000ff;
    --background-bibtex: #4b4a48ff;
    --text-color: #f5f5f7ff;
    --general-color: #d6c378ff;
    --color-link: #8b8bb4ff;
}


/* General styles */

h1, h2
{
    text-align: center;
}

h2
{
    color: var(--general-color);
    font-weight: 200;
    font-size: 3rem;
}

p
{
    font-weight: 200;
    font-size: 1.3rem;
    text-align: justify;
    overflow-wrap: break-word;
    line-height: 1.5em;
    padding: 15px;
}

figure
{
    text-align: center;
    margin: 50px;
}

img
{
    width: 100%;
    height: auto;
    max-width: 960px;
    margin-bottom: 1rem;
}

.image_rounded
{
    border-radius: 2vmin;
}

.figure-caption
{
    font-weight: 100;
    font-size: 1rem;
    line-height: 1.5em;
}


/* Approximatly from top to bottom in the page */

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

.container-header
{
    background-color: var(--background-color-header_footer);
    padding-top: 1px;
    padding-bottom: 1px;
}

.logos
{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;    /*space-evenly*/
    align-items: center;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.logo
{
    width: 150px;
    margin: auto;
    top: 50%;
}

.container-main
{
    background-color: var(--background-color);
}

main, header, footer
{
    color: var(--text-color);
    font-family: Inter, sans-serif;
    margin: auto;
}

main
{
    background-color: var(--background-color);
}

header
{
    background-color: var(--background-color-header_footer);
    border: none;
    padding: 15px;
}

.title-short-name, .title-long
{
    color: var(--general-color);
    display: block;
}

.title-short-name
{
    font-weight: 700;
    font-size: 5rem;
    margin-bottom: 1rem;
}

.title-long
{
    font-weight: 200;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.authors, .universities
{
    font-weight: 400;
    font-size: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
    margin-bottom: 3rem;
}

.author, .university
{
    margin-left: 10px;
    margin-right: 10px;
    margin-bottom: 8px;
    text-align: center;
}

.link-header
{
    color: var(--color-link);
    text-decoration: none;
}

.link-header:hover
{
    text-decoration: underline;
}

.buttons
{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;    /*space-evenly*/
    align-items: center;
    margin-bottom: 3rem;
}

.button-link
{
    font-weight: 400;
    font-size: 1.5rem;
    border: none;
    outline: none;
    padding: 10px 12px;
    border-radius: 10px;
    background-color: var(--general-color);
    color: var(--background-color);
    margin: 10px;
}

.button-link:hover
{
    cursor: pointer;
    opacity: 0.85;
}

.button-link:active
{
    background-color: var(--text-color);
}

.video-grid
{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px;
}

.video-item
{
    margin: 0;
}

.video-item video
{
    width: 100%;
    border-radius: 2vmin;
    display: block;
}

    
.video-center
{
    grid-column: 1 / -1;
    justify-self: center;
    width: calc((100% - 30px) / 2);
}

.licence
{
    font-weight: 500;
}

footer
{
    background-color: var(--background-color-header_footer);
    color: var(--text-color);
    font-weight: 200;
    font-size: 0.8rem;
    padding: 25px;
    text-align: center;
    overflow-wrap: break-word;
}

.text-footer
{
    padding: 5px;
}

.bibtex-text
{
    overflow-x: auto;
    background-color: var(--background-bibtex);
    padding: 20px;
    border-radius: 10px;
    margin: 50px;
}

.mailto-link
{
    color: var(--general-color);
}


/* Adapt to screen size */

@media screen and (min-width: 1024px)
{
    main, header, figure
    {
        max-width: 960px;
    }
}

@media screen and (max-width: 768px)
{
    .logo
    {
        width: 100px; /*150px;*/
    }

    .title-short-name
    {
        font-size: 3.5rem; /*5rem;*/
    }

    .title-long
    {
        font-size: 2rem; /*2.5rem;*/
    }

    .authors
    {
        font-size: 1.3rem; /*1.5rem;*/
    }

    .universities
    {
        font-size: 1.3rem; /*1.5rem;*/
    }

    .button-link
    {
        font-size: 1.3rem; /*1.5rem;*/
    }
    
    .video-grid
    {
        grid-template-columns: 1fr;
        margin: 20px;
    }

    .video-center
    {
        grid-column: auto;
        width: 100%;
        justify-self: stretch;
    }

    footer
    {
        font-size: 0.6; /*0.8rem;*/
    }
}

@media screen and (max-width: 568px)
{
    .logos
    {
        display: inline;
    }
}

/*
568px
768px
992px
1024px
1280px
*/