*,*::after,*::before{
    box-sizing: border-box;
 }
 *{
    margin: 0;
    padding: 0;
 }  
 
 
 :root{
    --bar-width:20px;
    --bar-height:3px;
    --hamburger-gap:3px;
    --foreground:white;
    --background:#333;
    --hamburger-margin:25px;
    --animation-timing: 200ms ease-in-out;
    --hamburger-height:calc(var(--bar-height) * 3 + var(--hamburger-gap) * 2);
}
.hamburger-menu{
    --x-width:calc( var(--hamburger-height)* 1.41421356237);
    display: flex;
    flex-direction: column;
    gap: var(--hamburger-gap);
    width: max-content;
    position:fixed;
    top:var(--hamburger-margin);
    left:var(--hamburger-margin);
    z-index: 2000;
    cursor:pointer;
}
.hamburger-menu:has(input:checked){
        /* --foreground: #333;
        --background: white; */
}

.hamburger-menu:has(input:focus-visible)::before,
.hamburger-menu:has(input:focus-visible)::after,
.hamburger-menu input:focus-visible{
    border:1px solid var(--background);
    box-shadow: 0 0 0 1px var(--foreground);
}
 .hamburger-menu::before, .hamburger-menu::after , .hamburger-menu input{
    content:"";
    width: var(--bar-width);
    height: var(--bar-height);
    background-color: var(--background);
    border-radius: 9999px;
    transition:opacity var(--animation-timing), width var(--animation-timing), rotate var(--animation-timing), translate var(--animation-timing), background-color var(--animation-timing);
    transform-origin: left center;
 }

 
 .hamburger-menu input{
    appearance: none;
    padding: 0;
    margin: 0;
    outline: none;
    pointer-events: none;
 }

 .hamburger-menu:has(input:checked)::before{
    rotate:45deg;
    width: var(--x-width);
    translate: 0 calc(var(--bar-height) /-2);
 }
 .hamburger-menu:has(input:checked)::after{
    rotate:-45deg;
    width: var(--x-width);
    translate: 0 calc(var(--bar-height) /2);
 }


 .hamburger-menu input:checked{
    opacity: 0;
    width: 0;
 }

 .sidebar{
    transition: translate var(--animation-timing);
    /* translate:-100%; */
    padding: 0.5rem 1rem;
    padding-top: calc(var(--hamburger-height) + var(--hamburger-margin) );
    background-color: var(--foreground);
    color:var(--background);
    width:280px;
    /* max-width: 35%; */
    min-height: 100vh;
    position:fixed;
    z-index: 1000;
 }

 .hamburger-menu:has(input:checked) + .sidebar{
    translate:0;
 }

.navbar-home img{
    height:60px;
    margin: 20px 0;
}

.navbar-link{
    margin:10px 0;  
}
.navbar-link a{
    text-decoration: none;
    color: var(--background);
    font-size: 1.2rem;
    font-weight: 500;
}

.invisible{
      display: none;
}
.hide-left{
   translate:calc(-100% - var(--hamburger-margin));
}
.unhide-left{
   translate:0%;
}
/*media queries*/
@media screen and (max-width: 768px){

    .sidebar{
        width: 50%;
        max-width: 50%;
        min-height: 100vh;
        padding-top: calc(var(--hamburger-height) + var(--hamburger-margin) );
    }
    .navbar-home img{
        height: 50px;
        margin: 10px 0;
    }
    .navbar-link{
        margin: 5px 0;  
    }
    .navbar-link a{
        font-size: 1rem;
    }
}