:root {
    --light: #FFFFFF;
    --dark: #333;
    --black: #000;
    --grey: #f3f3f3;
    --greyer: #E8E8E8;
    --dust: #959595;
    --accent: #4B57C5;
    --light-acc: #E8EAF8;

    --shad: 0 0 20px rgba(0, 0, 0, 0.08);
    --dark-shad: 0 0 5px rgba(0, 0, 0, 0.5);
    --sm-shad: 0 0 5px rgba(0, 0, 0, 0.1);

    --lato: 'Lato', sans-serif;
    --op: 'Open Sans', sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    background: var(--grey);
    font-family: var(--lato);
    margin: 130px 0 0;
    padding: 0;
    font-size: 1.8rem;
    
}


a {
    text-decoration: none;
    color: var(--black);
    position: relative;
    font-weight: 600;
    font-family: var(--lato);
}

a:hover {
    color: var(--accent)
}

a.underline:before, .navigation a:not(a.code-nav):before {
    content: '';
    position: absolute;
    display: block;
    bottom: -2px;
    right: 0;
    left: 0;
    height: 1px;
    width: 100%;
    background: var(--black);
    transition:
}

a.underline:hover:before, 
.navigation a:not(a.code-nav):hover:before, 
.navigation a.onpage:before 
{
    background: var(--accent)!important;
    height: 2px!important;
    opacity: 1;
}

.navigation a:not(a.code-nav, a.onpage):before {
    opacity: 0;
}



h1 {
    font-size: 3.6rem;
    margin-top: 0;
    scroll-margin-top: 110px;
}

h2 {
    font-size: 2.4rem;
    margin: 0 0 1rem;
    scroll-margin-top: 110px;

}

h3 {
    margin: 0
}

h4 {
    margin: 0;
    font-size: 1.8rem;
    position: relative;
}


p {
    font-size: 1.8rem;
    line-height: 2.4rem;
    margin: 1rem 0 0;
}

accentClr {
    color: var(--accent)
}


c {
    background: var(--grey);
    border-radius: 5px;
    font-family: monospace;
    font-size: 1.4rem;
    padding: 0.1em 0.4em;
    color: var(--accent);
}

em {
    font-size: 1.6rem;
}


section {
    max-width: 66em;
    margin: 7em auto;
    padding: 0 2em;
}

article {
    background: var(--light);
    padding: 3em;
    border-radius: 15px;
    position: relative;
}

.wrap {
    background: var(--light);
    padding: 4em 2em;
}





header {
    position: fixed;
    inset: 0;
    padding: 0 4em;
    height: 90px;
    margin: 0 auto;
    background: var(--grey);
    z-index: 99;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo, .logo a.homepage {
    font-size: 3.6rem;
    text-transform: uppercase;
    color: var(--black);
    font-weight: 700;
    display: flex;
    align-items: center;
    grid-gap: 0.3em;
}


.lang {
    background-color: var(--light);
    padding: 0.2em 0.6em 0.4em;
    border-radius: 5px;
    font-size: 1.4rem;
    border: none;
    font-family: var(--lato);
    cursor: pointer;
    transition: 0.3s;
    width: 60px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 50px 150px;
    text-transform: none;
    grid-gap: 0.5em;
    box-shadow: var(--sm-shad);
}

.lang:hover {
    width: 130px;
}

img.flag {
    width: 20px;
    vertical-align: middle;
    margin-right: 0.5em;
}

a.translate {
    font-style: italic;
    font-weight: 500
}



.navigation {
    display: flex;
    align-items: center;
    grid-gap: 1em;
}


.navigation a {
    position: relative;
}

.code-nav {
    background: var(--dark);
    border-radius: 20px;
    padding: 0.1em 1em;
    color: var(--light);
    border: 2px solid transparent;
}

.code-nav:hover {
    border: 2px solid var(--black);
    color: var(--black);
    background: transparent;
}




.hero-page {
    text-align: center;
    padding: 0 2em;
}



.forum {
    display: inline-block;
    position: relative;
}

.forum:before {
    content: '';
    position: absolute;
    display: block;
    background: var(--light);
    inset: -3px -20px -3px -15px;
    border-radius: 30px;
}

.hero-page span {
    z-index: 5;
    position: relative
}

#preview {
    max-width: 940px;
    margin: 3em auto;
}
#preview img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shad);
    object-fit: cover;
    object-position: top;
}

a.cta {
    background: var(--accent);
    border-radius: 40px;
    padding: 0.5em 2em;
    margin-top: 2em;
    font-size: 2.4rem;
    color: var(--light);
    border: 3px solid transparent;
    box-shadow: var(--dark-shad)
}

a.cta:hover {
    background: var(--light);
    color: var(--accent);
    border: 3px solid var(--accent);
}



.start {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25em, 1fr));
    justify-content: center;
    grid-gap: 2em;
}

h1.start {
    text-align: center;
}

a.article {
    background: var(--light);
    border-radius: 10px;
    padding: 2em;
    grid-column-gap: 2em;
    position: relative;
    display: flex;
    transition: 0.3s
}

a.article:hover {
    transform: scale(1.05);
    box-shadow: var(--shad)
}

a.article p {
    font-weight: normal
}

a.article .bi {
    font-size: 5rem;
}

a.article .bi-exclamation-circle-fill {
    position: absolute;
    z-index: 5;
    top: 77px;
    left: 73px;
    color: var(--accent);
    font-size: 1.8rem;
}


.install {
    margin: 0 auto;
    background: var(--light);
    grid-template-columns: repeat(auto-fit, minmax(25em, 1fr));
    justify-content: center;
    display: grid;
    
    align-items: end;
    grid-gap: 2em;
}

.install > div {
    max-width: em;
    margin: ;
} 

.free {
    font-size: 1.8rem;
    font-family: var(--op);
    font-weight: 600;
}

.highlight {
    display: inline-block;
    position: relative;
    font-weight: bold;
}

.highlight:before {
    content: '';
    display: block;
    background: var(--grey);
    inset: -5px -10px;
    border-radius: 20px;
    position: absolute;
    z-index: 1
}

.free span {
    z-index: 5;
    position: relative
}


.install-btn {
    max-width: 30em;
    border-radius: 10px;
    position: relative;
    display: block;
    background-color: var(--dark);
    margin-bottom: 1em;
    color: var(--grey);
    box-shadow: var(--dark-shad);
    transition: 0.3s;
}

.install-btn:hover {
    color: var(--light);
}


.install-btn .infos {
    padding: 1em 1.8em;
    margin-left: 5em;
    z-index: 5;
    position: relative
}

.install-btn h2,
.install-btn p {
    margin: 0;
    font-weight: normal
}


.install-btn p {
    font-weight: normal;
    font-family: var(--op);
    font-size: 1.4rem;
}


.install-btn .arrow {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px 0 0 10px;
    font-size: 3rem;
    padding-left: 1.1em;
    width: 3em;
    transition: 0.3s;
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    justify-content: ;
    align-items: center;
}


.install-btn:hover:not(.phpbb3) .arrow {
    padding-left: 1.5em;
    width: 100%;
    border-radius: 10px;
    color: var(--accent)
}

.install-btn.phpbb3 {
    min-width: 20em;
    background: var(--greyer);
    width: ;
    font-size: 1.2rem;
    color: var(--dark);
    margin-bottom: 3em;
    box-shadow: none;
    cursor: default;
}

.install-btn.phpbb3 .infos {
    margin-left: 8em;
}

.install-btn.phpbb3 h2 {
    font-size: 1.6rem;
}

.install-btn.phpbb3 .arrow {
    background: rgba(0, 0, 0, 0.08);
    opacity: 0.9
}

span.support:hover {
    color: var(--accent);
}

.bi-question-circle-fill {
    vertical-align: middle;
    font-size: 2.4rem;
    margin-right: 0.3em;
}

.credit {
    padding: em;
}

.credit > div {
    box-shadow: var(--dark-shad);
    border-radius: 10px;
    background: var(--dark);
    color: var(--light);
    text-align: center;
    padding: 1.5em;
    
}

.credit h2 {
    margin: 0;
    font-weight: normal
}



footer {
    background: var(--greyer);
    justify-content: space-between;
    padding: 4em;
    display: grid;
    grid-row-gap: 2em;
    grid-template-columns: repeat(auto-fit, minmax(25em, auto)) ;
    margin-top: 7em;
}

.author {
    max-width: 45em;
}

.author p {
    margin-top: 0
}

.avatars {
    position: relative;
    height: 110px;
    float: left;
    margin-right: 2em;
    margin-bottom: 0.5em;
}

img.gp {
    box-shadow: var(--shad);
    border-radius: 10px;
    width: 110px;
    height: 110px;
    object-fit: cover;
}

img.lab {
    width: 40px;
    height: 40px;
    position: absolute;
    z-index: 5;
    bottom: -10px;
    right: -10px;
    border: 2px solid var(--greyer);
    border-radius: 5px;
}


.links_footer {
    text-align: right;
    line-height: 2.8rem;
}

.kofi {
    display:inline-block;
    border-radius: 7px;
    transition: 0.3s;
    line-height: 1.1rem;
    transform: scale(0.9)
}

.kofi:hover {
    box-shadow: var(--dark-shad);
    transform: scale(1)
}




@media screen and (max-width: 1260px) {
    header, footer {padding-right:2em;padding-left:2em;}
}
    
@media screen and (max-width: 1170px) {
  .navigation a:not(.code-nav) {display: none;}
    
    aside {display: none}
    .content {grid-column: 1 / span 2}
}