:root {
    --gray-50: oklch(94% 1% 240deg);
    --gray-100: oklch(92% 1% 240deg);
    --gray-200:oklch(85% 2% 240deg);
    --gray-300:oklch(80% 2% 240deg);
    --gray-400:oklch(70% 2% 240deg);
    --gray-500: oklch(64% 3% 240deg);
    --gray-600: oklch(48% 3% 240deg);
    --gray-700:oklch(30% 3% 240deg);
    --gray-700:oklch(25% 3% 240deg);
    --gray-900:oklch(13% 1% 240deg);


    --gold-100: oklch(94% 20% 101.841);
    --gold-500: oklch(64% 100% 101.841);
    --gold-600: oklch(50%  100% 106);
    --gold-700: oklch(30% 40% 106.841);
    --gold-900: oklch(13% 12% 101.841);

    --navy-50: oklch(94% 2% 220deg);
    --navy-100: oklch(80% 10% 220deg);
    --navy-300: oklch(70% 15% 220deg);
    --navy-400: oklch(50% 60% 220deg);
    --navy-500: oklch(30% 70% 220deg);

    --green-300: oklch(70% 15% 140deg);
    --green-500: oklch(50% 70% 140deg);

    --red-500: oklch(64% 100% 20deg);
}
html.dark{
    filter: invert(1);
}
html.dark img, html.dark video, html.dark iframe, html.dark footer {
  filter: invert(1);
}
html{
    background-color:white;
}
html, body{
    margin:0;
    padding:0;
}
body{
    overflow-x: hidden;
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

footer{
    width:100%;
    background-color: var(--gray-900);
    color:var(--gray-200);
    padding:10px;
    box-sizing:border-box;
}

footer table{
    padding:8px;
    border-top: 2px solid var(--gray-700);
}

footer table a{
    color:var(--gray-400);
    text-decoration: none;
}

footer table a:hover{
    text-decoration: underline;
}

footer th, footer td{
    padding:5px;
    width:120px;
    text-align: center;
}

.footer-flex{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.footer-content{
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 200px 200px;
    min-height:300px;
    width:100%;
    max-width: 1200px;
    margin:0 auto;

}

.navbar{
    position:sticky;
    top:0;
    padding:20px;
    background-color: var(--gray-50);
    box-shadow: 0px 3px 0px var(--gray-300);
    z-index: 100;
}

.navbar-container{
    max-width: 1200px;
    display: flex;
    margin: 0 auto;
    align-items: center;
    justify-content: start;
}
.navbar-logo{
    font-weight: bold;
    font-size:x-large;
}
.navbar a{
    color: var(--gray-900);
    text-decoration: none;
    margin: 0 5px;
    font-weight: bold;
}
.navbar a:hover{
    text-decoration: underline;
}


.category{
   padding:2px;
    background-color: var(--gray-100);
    font-weight: 600;
    box-shadow: 2px 2px 0px var(--gray-500);
    margin-right: 6px; 
    cursor:pointer;
    color:black;
    text-decoration: none;
    text-transform: capitalize;    

}

.category:hover{
    text-decoration: underline;
    
    /* font-weight: bold; */
}

.navbar-links{
    margin-left:auto;
    display: none;
}
.dark-mode-switch{
    width:24px;
    height:24px;
    vertical-align: baseline;
    cursor:pointer;
    padding:4px;
    margin:0 5px;
    border-radius: 100%;
}

.dark-mode-switch:hover{
    background-color: var(--gray-200);
}
.dark-mode-switch svg{
    /* width:24px;
    height:24px; */
    display: block;
}
html.dark .moon{
    display:none;
}
html:not(.dark) .sun{
    display:none;
}

.navbar-hamburger{
    width:24px;
    height:24px;
    vertical-align: baseline;
    cursor:pointer;
    padding:4px;
    margin:0 5px;
    border-radius: 100%;
    margin-left: auto;
}

.navbar-hamburger:hover{
     background-color: var(--gray-200);
}

.mobile-overlay{
    display: none;
    flex-direction: column;
    position:fixed;
    top:0;
    left:0;
    background-color: var(--gray-100);
    width:100vw;
    height:100vh;
    text-align:center;
    box-sizing: border-box;
    padding:20px;
}

.mobile-overlay .close{
    width:24px;
    height:24px;
    margin: 4px 4px 4px auto;
    padding:4px;
    cursor: pointer;
    border-radius: 100%;
}
.mobile-overlay .close:hover{
     background-color: var(--gray-200);
}
.mobile-overlay hr{
    width:50%;
    
}

.mobile-overlay .first-hr{
    width:75%;

}

.mobile-overlay a{
    padding:8px;
    font-size:large;
    margin-bottom: 8px;
}

.overlay-visible{
    display:flex;
}

@media (width >= 768px){
    .footer-content{
        grid-template-columns: 350px 350px;
        grid-template-rows: 200px;
        align-items: center;
        justify-content: space-around;
        height:200px;
    }
    .navbar-container{
        justify-content: start;
    }
    .navbar-hamburger{
        display: none;
    }
    .navbar-links{
        display:flex;
    }
}