:root {
    --white-0: #ffffff;

    --black-0: #1f2328;
    
    --grey-0: #f6f8fa;
    --grey-1: #eaeef2;
    --grey-2: #d0d7de;
    --grey-3: #afb8c1;
    --grey-4: #8c959f;
    --grey-5: #6e7781;
    --grey-6: #57606a;
    --grey-7: #424a53;
    --grey-8: #32383f;
    --grey-9: #24292f;

    --fg-color: var(--grey-9);
    //--fg-color: red; 
    --bg-color: var(--white-0);
    --bg-color-alt: var(--grey-0);
    --border-width: 1px;
    --border-radius: 8px;

    --fg-color-hover: var(--grey-9);
    --bg-color-hover: var(--grey-1);
    --bg-color-hover-alt: var(--grey-2);
    --border-width-hover: 2px;
    --border-color: var(--grey-2);
    --border-color-hover: var(--grey-3);

    --h1-size: 2.5rem;
    --scale-ratio: 1.2;

    --page-font-family: "Courier New", Courier, monospace;
    --content-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;


    //--scrollbar-color: rgba(0, 0, 0, 0.5); 
    --scrollbar-color: var(--grey-3); 
    //--button-color: var(--grey-0); 
    --button-color: white; 
    --button-color-hover: var(--grey-1); 
    --bg-color-button: #304e67; 
    --fg-color-button: white; 
    --font-weight-button: 700; 
}

html {
    font-size: 1rem;
    font-family: var(--page-font-family); 
    width: 100%;
    //height: 100%;
    overflow-y: scroll;
    //background-color: red;
}

*, *::before, *::after {
    box-sizing: border-box;
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-style: solid; 
    border-width: 0; 
    color: var(--fg-color);
}

svg {
    background-color: inherit; 
}


::-webkit-scrollbar {
    //width: 2rem;
    width: 1rem;
    height: 1rem;
}

body::-webkit-scrollbar {
    border-width: 0 0 0 var(--border-width);
    border-style: solid;
    border-color: var(--border-color);
    border-color: var(--grey-1);
    background-color: var(--bg-color);
}

//body::-webkit-scrollbar-thumb {
//    border-width: 0.3rem 0.3rem 0.3rem 0.3rem;
//}


::-webkit-scrollbar-track {
    width: 1rem;
    height: 1rem;
    background-color: transparent;
    //background-color: red; 
    //border-width: 1px;
    //border-style: solid;
    //border-color: var(--border-color);
    border-radius: 100vw;
    //margin-block: .5rem;
}

::-webkit-scrollbar-thumb {
    background-color: transparent;
    background-color: var(--scrollbar-color);
    border-radius: 100vw;
    border-width: 0.3rem 0.3rem 0.3rem 0.3rem;
    border-style: solid;
    border-color: transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-color);
}

/* The scrollbar handle (thumb) */
.os-scrollbar-handle {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
}


.is-scrolling::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-color);
}


body {
    display: grid;
    width: 100%;
    height: auto;
    grid-template-columns: 23rem 1fr;
    grid-template-rows: 5rem auto 5rem; 
    grid-template-areas:
        "header header"
        "side-nav main"
        "footer footer";
    min-height: 100vh;
    //overflow: hidden;
    //height: 100vh;
    //overflow-y: scroll;
    //background-color: blue;
}




.nav-item {
    display: none;
    align-self: start;
    align-content: start;
}

.nav-item.show > .nav-item {
    display: grid;
}

.nav-item.show > .nav-button > .nav-button-chevron > svg {
    //transform: rotate(-180deg);
    transform: rotate(0deg);
}

.nav-item.active > .nav-button > a {
    font-weight: bold;
}

.nav-button {
    display: grid;
    grid-template-columns: 1fr 4rem; 
    height: max-content;
    border-radius: var(--border-radius);
}



.nav-button > a {
    display: grid;
    align-items: center;
    justify-content: left;
    text-decoration: none;
    overflow-wrap: break-word;
    word-break: break-word;
    white-space: normal;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.nav-button-chevron {
    display: grid;
    align-items: center;
    justify-content: center; 
    //border-radius: 0 var(--border-radius) var(--border-radius) 0;
    border-radius: var(--border-radius);
}

.nav-button-chevron > svg {
    transform: rotate(-90deg);
}



/* Second level (nested once) */
.nav-item .nav-item .nav-button {
    padding-left: 1rem;
}

/* Third level (nested twice) */
.nav-item .nav-item .nav-item .nav-button {
    padding-left: 2rem;
}

/* Fourth level */
.nav-item .nav-item .nav-item .nav-item .nav-button {
    padding-left: 3rem;
} 

/* Fourth level, etc. */
.nav-item .nav-item .nav-item .nav-item .nav-item .nav-item .nav-button {
    padding-left: 4rem;
} 

.nav {
    display: none;
    width: 100%;
    min-height: 100vh;
    grid-template-columns: 1fr;
    grid-template-rows: 5rem auto;
    //position: fixed;
    //top: 0;
    background-color: var(--bg-color);
    //z-index: 9999;
    //overflow: scroll;
}

.nav > .nav-item {
    display: grid;
    //padding: 2rem 0rem 2rem 0rem;
    margin: 0rem 1rem 2rem 1rem;
}

.nav > .nav-item > .nav-button {
    display: none;
}

.nav > .nav-item > .nav-item {
    display: grid;
}

.nav > .nav-cross-button {
    align-self: center;
    justify-self: right;
    margin: 0rem 2rem 0rem 0rem;
}

.sidebar {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 5rem 1fr;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-header {
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    justify-content: space-between;
    padding-left: 2rem;
    padding-right: 2rem;
}


.main {
    grid-area: main;
    display: grid;
    //grid-template-columns: 1fr;
    //grid-template-rows: 1fr auto;
    //grid-template-rows: auto;
    width: 100%;
    height: 100%;
    min-width: 0;
    padding: 4rem 4rem 4rem 4rem;
    //gap: 4rem;
    background-color: var(--bg-color);
    //justify-content: center;
    //justify-content: left;
    //overflow-y: scroll;
    //scrollbar-gutter: auto;

    align-items: start;
    align-content: start;
}

.main * {
    min-width: 0;
}

.navbar {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: auto;
    height: 100%;
    //background-color: var(--bg-color);
    //background-color: pink; 
    align-items: center;
    justify-content: center;
    gap: 1rem;
    //padding: 0rem 2rem 0rem 2rem;
}

.navbar-button {
    //display: grid;
    //height: 3rem; 
    //align-items: center;
    //justify-content: center;
    //padding: 0 1rem 0 1rem;
}

.header {
    grid-area: header;
    display: grid;
    grid-template-columns: auto auto;
    //position: sticky;
    //top: 0;
    background-color: var(--bg-color);
    align-items: center;
    justify-content: space-between;
    //border-width: 0 var(--border-width) 0 0;
    border-width: 0 0 var(--border-width) 0;
    border-style: solid;
    border-color: var(--border-color);
    //height: 100vh;
    padding: 0rem 2rem 0rem 2rem;
    overflow: auto;
}

.footer {
    grid-area: footer;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    //height: 3rem;
    border-width: var(--border-width) 0 0 0;
    border-color: var(--border-color);
    background-color: var(--bg-color);
    align-items: center;
    justify-content: center;
    padding: 0 2rem 0 2rem;
}

.side-nav {
    grid-area: side-nav;
    display: grid;
    //position: sticky;
    //top: 0rem;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    background-color: var(--bg-color);
    border-width: 0 var(--border-width) 0 0;
    border-style: solid;
    border-color: var(--border-color);
    padding: 2rem 1rem 4rem 1rem;
    //height: calc(100vh - 5rem);
    //padding: 2rem 0rem 4rem 1rem;
    //overflow-y: scroll;
}

.side-nav > .nav-item {
    display: grid;
}

.side-nav > .nav-item > .nav-button {
    display: none;
}

.side-nav > .nav-item > .nav-item {
    display: grid;
}


.nav-logo {
    display: grid;
    height: 3rem;
    width: auto;
    padding: 0.9rem; 
    justify-content: center;
    align-items: center;
    text-decoration: none;
    border-radius: var(--border-radius);

}

.nav-logo:hover {
    background-color: var(--bg-color-hover);
}


.nav-toggle {
    display: none;
}

.nav-toggle > .nav-hamburger-button {
    display: grid;
}

.nav-toggle > .nav-cross-button {
    display: none;
}


.nav-toggle.show > .nav-hamburger-button {
    display: none;
}

.nav-toggle.show > .nav-cross-button {
    display: grid;
}

.nav-cross-button,
.nav-hamburger-button {
    display: grid;
    width: 3rem;
    height: 3rem;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.nav-cross-button:hover,
.nav-hamburger-button:hover {
    background-color: var(--bg-color-hover);
}

.nav-hamburger-button {
    display: none;
}

.main-product {
    display: grid;
    grid-template-columns: minmax(0, 50rem);
    //grid-template-columns: 29rem 29rem;
    //grid-template-columns: 1fr 1fr;
    //grid-template-columns: minmax(0, 25rem) minmax(0, 25rem);
    //grid-template-columns: 25rem 25rem;
    width: 100%;
    justify-content: center;
    //justify-content: left;
    //padding: 4rem 0 0 0;
    gap: 4rem;
    //max-width: 60rem;
}

.main-product-head {
    display: grid;
    grid-template-columns: 4fr 3fr;
    justify-content: center;
    gap: 2rem;
}

.thumbnail-container {
    display: grid;
    width: 30rem;
    //align-items: center;
    justify-content: left;
    //background-color: orange;
    grid-template-columns: repeat(5, 5.2rem);
    grid-auto-rows: 5.2rem;
    gap: 1rem;
    //padding: 1rem 0 1rem 0;
}

.thumbnail {
    display: grid;
    width: 100%;
    height: 100%;
    //background-color: pink;
    align-items: center;
    justify-content: center;
    border-width: var(--border-width);
    border-style: solid;
    border-color: var(--border-color);
    border-radius: var(--border-radius);
}

.thumbnail:hover {
    border-width: var(--border-width-hover);
}

.thumbnail.thumbnail-two {
    transform: rotate(90deg);
}

.thumbnail img {
    height: 80%;
    width: 80%;
    object-fit: contain;
    margin: auto;
}

.product-info {
    display: grid;
    grid-template-columns: 1fr; 
    width: 100%;
    //height: 30rem;
    //background-color: pink;
    padding: 1rem;
    align-items: start;
    align-self: start;
    gap: 1rem;
}

.product-info-title {
    font-size: 2rem; 
    font-weight: 700; 
    height: auto;
}

.product-info-price {
    font-size: 1.2rem; 
    font-weight: 700; 
    height: auto;
}

.product-info-description {
    font-size: 1rem; 
    height: auto;
}

.button {
    display: grid;
    padding: 0rem 1rem 0rem 1rem;
    height: 3rem;
    width: max-content;
    align-items: center;
    justify-content: center;
    background-color: var(--button-color);
    color: var(--fg-color);
    border-radius: var(--border-radius);
    border-width: var(--border-width);
    border-color: var(--border-color);
    //font-weight: var(--font-weight-button);
    text-decoration: none;
}

.button:hover {
    background-color: var(--button-color-hover);
    border-color: var(--border-color-hover);
}

.product-button {
    display: grid;
    width: 100%;
    padding: 1rem 1rem 1rem 1rem;
    background-color: var(--bg-color-button);
    color: var(--fg-color-button);
    border-radius: 100vw; 
    font-weight: 400; 
    text-decoration: none;
    justify-content: center;
    margin: 4rem 0rem 4rem 0rem;
}

.product-info-cont {
    display: grid;
    grid-template-columns: 1fr; 
    width: 50rem;
    //height: 30rem;
    //background-color: pink;
    padding: 1rem;
    align-items: start;
    align-self: center;
    gap: 1rem;
}


.product-gallery {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr; 
    grid-template-rows: auto auto; 
    justify-content: center;
    gap: 1rem;
    align-items: start;
    align-self: start;

    //background-color: var(--grey-2);
}


.product-gallery-image {
    display: grid;
    width: 100%;
    aspect-ratio: 1;
    align-items: center;
    justify-content: center;
    //background-color: pink;
    border-width: var(--border-width);
    border-style: solid;
    border-color: var(--border-color);
    border-radius: var(--border-radius);
}


.product-gallery-thumbnail-wrapper {
    display: grid;
    width: 100%;
    //height: 30rem;
    justify-content: center;
    //background-color: orange;
    //grid-template-columns: repeat(auto-fit, 6.5rem);
    grid-template-columns: repeat(5, 1fr);
    //grid-auto-rows: 6.5rem;
    gap: 1rem;
    //padding: 1rem 0 1rem 0;
    min-width: 0;
    max-width: 100%;
}

.product-gallery-thumbnail {
    display: grid;
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    //background-color: pink;
    align-items: center;
    justify-content: center;
    border-width: var(--border-width);
    border-style: solid;
    border-color: var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.product-gallery-thumbnail:hover {
    border-color: var(--border-color-hover);
}

.product-gallery-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    //background-color: rgba(0, 0, 0, 0); /* Start transparent */
    //transition: background-color 0.3s ease;
    //border-radius: var(--border-radius);
    pointer-events: none; /* Allows clicks to pass through */
}

.product-gallery-thumbnail:hover::after {
    background-color: var(--grey-3); 
    opacity: 0.2;
    //background-color: rgba(0, 0, 0, 0.2); /* Dark overlay on hover */
}



.product-gallery-thumbnail:hover {
    //border-width: var(--border-width-hover);
}

.product-gallery-image img,
.product-gallery-thumbnail img {
    height: 80%;
    width: 80%;
    object-fit: contain;
    margin: auto;
}

.gallery {
    display: grid;
    //grid-template-columns: 1fr 1fr 1fr;
    //grid-template-columns: 200px 200px 200px;
    grid-template-columns: repeat(3, 18rem);
    //grid-template-columns: auto auto auto;
    grid-auto-rows: 15rem;
    //height: 15rem;
    gap: 2rem;
    overflow-x: auto;
}

.gallery-item {
    display: grid;
    grid-template-columns: 1fr; 
    grid-template-rows: 12rem 3rem;
    border-width: var(--border-width);
    border-radius: var(--border-radius);
    border-color: var(--border-color);
    border-style: solid;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    min-width: 0;
}

.gallery-box {
    width: 100%;
    height: 100%;
    background-color: pink; 
}

.gallery-item-img {
    display: block;
    width: 100%;
    //height: 100%;
    object-fit: cover;
    //margin: auto;
    //transform: rotate(90deg);
    //overflow: hidden;
}

.gallery-item-text {
    display: grid;
    justify-content: start;
    padding: 1em 1em 1em 1em;
    background-color: var(--bg-color);
}

.gallery-item:hover .gallery-item-text {
    color: var(--fg-color-hover);
    background-color: var(--bg-color-hover);
    border-color: var(--fg-color-hover);
}

.os-scrollbar-handle {
    background: var(--scrollbar-color) !important; 
}

.os-scrollbar-handle:hover {
    background: var(--scrollbar-color) !important; 
}

.os-scrollbar-handle:active {
    background: var(--scrollbar-color) !important; 
}

.os-scrollbar-vertical {
    width: 1rem !important; /* Default is usually 10-14px */
    padding: 0.25rem !important;
}


.board-overview {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        "text image";
    gap: 4rem;
}

.board-overview-text {
    grid-area: text;
    display: grid;
}

.board-overview-image {
    grid-area: image;
    display: grid;
    width: 15rem;
}

.board-overview-image img {
    width: 100%;
    object-fit: contain;
}

hr {
    border-color: var(--border-color);
    border-width: var(--border-width) 0 0 0;
    margin: 3rem 0 3rem 0;
}

.docs {
    display: grid;
    max-width: 50rem;
}

@media (max-width: 65rem) {
    .board-overview {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        grid-template-areas:
            "image"
            "text";
        gap: 4rem;
        justify-content: center;
    }

    .board-overview-image {
        justify-self: center; /* Centers the grid item horizontally */
    }
}

@media (max-width: 58rem) {
    body {
        grid-template-columns: 1fr;
        grid-template-rows: 5rem auto 5rem;
        grid-template-areas:
            "header"
            "main"
            "footer";
    }

    .side-nav {
        display: none;
    }

    .header {
        grid-template-columns: auto auto;
        justify-content: space-between;
        border-width: 0 0 var(--border-width) 0;
    }

    .nav-hamburger-button {
        display: grid;
    }

    .navbar {
        display: none;
    }

    body.show > .header,
    body.show > .side-nav,
    body.show > .main,
    body.show > .footer {
        display: none;
    }

    body.show > .nav {
        display: grid;
    }

    body.show {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .main {
        //padding: 4rem 2rem 4rem 2rem;
        //padding: clamp(2rem, 2rem + 2vw, 4rem);
    }
}

/* Only apply hover on devices with a mouse */
@media (hover: hover) and (pointer: fine) {
    .nav-button:hover {
        background-color: var(--bg-color-hover);
    }

    .nav-button-chevron:hover {
        background-color: var(--bg-color-hover-alt);
    }

}