:root{
    --c-primary: rgb(50,50,50);
    --white: rgb(240,240,240);
    --c-ok: #5CB30E;
    --black: #2d3441;
    --gray: rgb(120,120,120);
    --f-bold: bold;
    --f-xl : 1.8rem;
    --05 : 0.5rem;
    --10 : 1rem;
    --15 : 1.5rem;
    --20 : 2rem;
    --25 : 2.5rem;
    --30 : 3rem;
    --35 : 3.5rem;
    --40 : 4rem;
    --45 : 4.5rem;
    --50 : 5rem;
    --55 : 5.5rem;
    --60 : 6rem;
}
*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.05rem;
}
body{
    width: 100%;
    background-color: white;
    color: #2d3441;    
    overflow-x: hidden;
}



input{
    padding: var(--05) var(--05);
    outline: none;
}
button{
    padding: var(--05) var(--20);
}

p{
    margin-top: var(--10);
    line-height: 1.7rem;
    color: rgb(50,50,50);
}
a{
    color: green;
    :visited{ color: green; }
}
h1{
    position: relative;
    padding: var(--50) 0;
    line-height: 1;
    text-align: center;
    font-size: clamp(4rem, 20vw, 6rem);
    font-weight: bold;
    span{
        /* color: black; */
        font-weight: inherit;
        font-size: inherit;
        padding: 0.5rem 1rem;
        line-height: 1;
        font-family: Arial, sans-serif;
        background-color: rgb(6, 182, 212);
        color: white;
        border-radius: 1rem;
    }
}
h2{
    display: inline-block;
    padding: var(--10) var(--20);
    text-align: center;
    font-size: var(--15) !important;
    font-weight: bold;
    background-color: var(--black);
    color: var(--white) !important;
    border-radius: var(--05);
}
/* ############################## */
.mt-1{
    margin-top: var(--1);
}
/* ############################## */
.container{
    max-width: 700px; 
    margin: auto; 
}
.page{
    margin-top: 4rem;
}
main{
    width: 100%;
    padding-bottom: var(--60);
}
nav{
    width: 100%;
    position: fixed;
    top: 0; left: 0;
    padding: 0.5rem 0.2rem 0rem 0.2rem;
    height: 4.5rem;
    background-color: white;
    z-index: 10;
    span{
        color: rgb(6, 182, 212);
        font-weight: 700;
        pointer-events: none;
    }
    div{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        background-color: var(--black);
        /* border-bottom: 1px solid rgba(255,255,255,0.8); */
        border-radius: 1rem;
        
    }
}
nav a{
    height: 100%;
    display: flex;
    font-weight: 600;
    align-items: center; 
    padding: 0 var(--10) !important;
    color: var(--white);
    background-color: var(--black);
    text-decoration: none;
    border-radius: 1rem;
}
nav a.active{
    display: flex;
    align-items: center;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    color: var(--white);
}
nav a:nth-child(2){
    margin-left: auto;
}

#examples{
    display: flex;
    gap: 1rem;
    button{
        color: white;
        background: green;
    }
}
.card{
    padding-top: clamp(0.5rem, 5vw, 1.5rem);
    padding-right:clamp(0.5rem, 5vw, 0.2rem);
    padding-bottom: clamp(0.5rem, 5vw, 1.5rem);
    padding-left: clamp(0.5rem, 5vw, 0.2rem);
    margin-top: var(--05);
    color: rgb(50,50,50);
    span{
        font-weight: bold;
    } 
    article{
        margin-top: var(--15);
        border: 1px solid rgb(200,200,200);
        padding: 1rem 0.5rem;
        background-color: white;
        h3{
            display: inline;
            margin-top: var(--20);
            font-weight: bold;
            padding: 2px var(--10);
            color: var(--white) !important;
            background-color: var(--black);
            border-radius: 5px;
        }        
        p{
            line-height: 1.7rem;
            color: rgb(50,50,50);
        }  
 
        button, input{
            margin-top: var(--10);
        }    
    }
    .title{
        color: var(--c-black);
        font-size: var(--4);
        font-weight: var(--f-bold);
    }


    div{
        font-size: var(--10);
        margin-top: var(--10);
    }
    h4{
        display: inline-block;
        margin-top: var(--10);
        font-weight: bold;
    }    
}


footer{
    position: fixed; bottom: 0; left: 0;
    width: 100%;
    
}
footer div{
    display: flex;
    justify-content: space-between;   
    align-items: center; 
    background-color: rgba(0,0,0,0.9);
    color: white !important;
    padding: 0.2rem 0.5rem;
    span{
        font-size: 0.8rem !important;
        color: rgb(200,200,200);
    }
      
}
ul{
    list-style: none;
   
}
li{
    font-weight: var(--f-bold);
    color: var(--c-black);
    text-decoration: underline;
    cursor: pointer;
}

pre > code *{
    /* font-weight: 300 !important; */
}


 @media only screen and (min-width: 600px) {
    
 }
 

 @media only screen and (min-width: 768px) {
    nav a{
        padding: 0px var(--6);
    }   
 }
 

 @media only screen and (min-width: 992px) {

 }
 

 @media only screen and (min-width: 1200px) {
    
 } 



 #mix-cover{    
    position: fixed; top:0rem; left:0;
    width: 100vw;
    height: 0.3rem;
    background-color: rgb(6, 182, 212);
    z-index: 20;
}
.mix-hidden{
    display: none !important;
}
.mix-fade-out {
    animation: fadeOut 2s forwards;
}
.mix-error{
    background-color: rgba(230,130,130, 0.5);
}
@keyframes mix-fade-out {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}