:root{
    --background: #0D1B2A;
    --background-dark: hwb(210 3% 87%);
    --primary-text: #E0E0E0;
    --muted-text: #B0BEC5;
    --decorations: #1C2541;
    --button: #26C6DA;
    --button-muted: #1A99A8;
    --button-light: #F0F4F8;
    --accent-1: #EF5350;
    --accent-2: #AB47BC;
    --code-line: #66BB6A;
    --switch-bg: #E0E0E0;
    --switch-bg-inverse:#333333;
    --utility: #1A2B3C;
    --utility-2: #14273A;
    --error: #DF0000;
    --success: #008000;
    background-color: var(--background);
    color: var(--primary-text);

    font-family: Verdana, Geneva, Tahoma, sans-serif;
}  
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    position: relative;
    min-height: 100vh;
    margin: 0;
}
main {
    padding-bottom: 12em;
}

header{
    z-index: 10;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
}

nav {
    background-color: color-mix(in srgb, var(--decorations) 40%, transparent);
    backdrop-filter:  blur(8px);

    border-bottom: 1px solid var(--decorations);
}
nav ul {
    list-style: none;
    display: flex;
}
nav .home-li {
    box-sizing: content-box;
    margin-right: auto;
}
nav a {
    display: flex;
    padding: 1em 2em;
    
    font-size: 1.3rem;
    color: var(--primary-text);
    transition: background-color 150ms ease;
}
nav a:hover {
    background-color: var(--button-muted);
}
nav button {
    all: unset;
    cursor: pointer;
    display: flex;
    justify-content: center;
    padding: 1em 2em;
    
    font-size: 1.3rem;
    text-decoration: underline;
    color: var(--primary-text);
    transition: background-color 150ms ease;
}
nav button:hover {
    background-color: var(--button-muted);
}

.active-link {
    border-bottom: 3px solid var(--button);
}

.link{
    background: transparent;
    border: none;
    outline: solid 0.15rem var(--button-muted);
    border-radius: 0.25rem;
    padding: 0.25em;
    font-size: 1.3rem;
    width: 6.5rem;

    color: var(--primary-text);
    cursor: pointer;
    transition: outline 0.2s;
}
.link:hover {
    outline: solid 0.3rem var(--button);
}

.flag-icon{
    border-radius: 0.2em;
    margin-left: 1rem;
    width: 1.5em;
}

.dropdown-menu{
    position: absolute;
    padding: 0.3em;
    border-radius: 0.25em;
    z-index: 1;

    max-height: 6rem;
    overflow-y: scroll;

    background-color: var(--utility);

    display: flex;
    flex-direction: column;
    gap: 0.2em;

    pointer-events: none;
    opacity: 0;
    transform: translateY(-1em);
    transition: opacity 150ms ease-in-out, transform 150ms ease-in-out;
}
.dropdown.active > .dropdown-menu{
    pointer-events: auto;
    transform: translateY(0px);
    opacity: 1;
}

.dropdown-option{
    cursor: pointer;
    display: flex;
    gap: 1em;
    padding: 0.2em;
    transition: all 150ms ease-in-out;
}
.dropdown-option > svg{
    width: 1.2em;
    pointer-events: none;
}
.dropdown-option > p{
    height: fit-content;
    margin: 0;
    white-space: nowrap;
}
.dropdown-option:hover{
    background-color: var(--utility-2);
}

footer{
    position: absolute;
    width: 100%;
    bottom: 0;
    pointer-events: none;
}
.socials-container{
    z-index: 0;
    position: absolute;
    bottom: 5em;
    width: 100%;
    display: flex;
    gap: 1em;
    justify-content: center;
}
.social{
    --size: 4em;
    --hover-speed: 0.3s;
    --backround-color: var(--button-light);
    
    height: var(--size); width: var(--size);
    background-color: var(--backround-color);
    border-radius: 100%;
    text-align: center;

    display: flex;
    justify-content: center;
    pointer-events: all;
    
    transition: background-color var(--hover-speed);
}
.social::before{
    content: attr(data-social);
    text-decoration: none;
    font-size: 1rem;

    pointer-events: none;

    position: absolute;
    transform: translateY(-30px);

    padding: 0.3em 0.8em;
    border-radius: 3rem;
    background-color: var(--accent-color);
    color: var(--button-light);
    opacity: 0;

    transition: var(--hover-speed) cubic-bezier(.39,1.01,.5,1.59);
}
.social:hover{
    background-color: var(--accent-color);
}
.social:hover::before{
    transform: translateY(-40px);
    opacity: 1;
}
.social svg{    
    width: 75%;
    display: block;
    fill: var(--accent-color);
}
.social:hover svg{
    fill: var(--backround-color);   
}
.social-hidden{
    --style-order: 1;
    opacity: 0;
    transform: translateY(calc(var(--size) / 2));
    filter: blur(10px);

    transition-property: transform, opacity, filter;
    transition-duration: 0.4s, 0.6s;
    transition-delay: calc(var(--style-order) * 130ms);
    transition-timing-function: cubic-bezier(.39,1.01,.5,1.59), ease;
}
.social-show{
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
    
    z-index: 1;
}

#open-sidebar-button {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    margin-left: auto;
    cursor: pointer;
}
#close-sidebar-button {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    cursor: pointer;
}

@media screen and (max-width: 800px) 
{
    #open-sidebar-button, #close-sidebar-button {
        display: block;
    }
    header{
        pointer-events: none;
        height: 100vh;
        position: fixed;
    }
    
    nav {
        pointer-events: all;
        position: fixed;
        top: 0;
        right: -100%;
        background-color: color-mix(in srgb, var(--decorations) 40%, transparent);
        backdrop-filter:  blur(8px);
        width: min(15em, 100%);
        height: 100vh;
        border-left: 1px solid var(--decorations);
        transition: right 150ms ease-out;
    }
    nav.show {
        right: 0;   
    }
    nav ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    nav a {
        width: 100%;
    }
    nav a.active-link {
        border-bottom: none;
    }
    nav .home-li {
        margin-right: unset;
    }
    nav button {
        width: 100%;
        display: flex;
        justify-content: unset;
        align-items: center;
    
        font-size: 1.3rem;
        text-decoration: underline;
    }
}