:root {
    --color-black: #0A0B1A;
    --color-white: #FFF5E1;
    --color-theme1: #1C1442;
    --color-theme2: #2B1660;
    --color-theme3: #142850;
    --color-accent: sandybrown;
}

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

html,
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background-color: var(--color-black);
    scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
.outter-wrapper::-webkit-scrollbar,
.Nav_Bar nav::-webkit-scrollbar {
    display: none;
}

/* =========================================================
   Navigation
   ========================================================= */

.Nav_Bar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;

    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;

    pointer-events: none;
}

#heroTitle {
    margin: 0;
    padding: 2vh 0 0 2vw;

    color: var(--color-white);
    font-family: "Ruigslay", serif;
    font-size: 10vh;
    line-height: 1;
    text-decoration: underline;

    pointer-events: auto;
}

.Nav_Bar nav {
    display: flex;
    width: auto;
    height: 10vh;
    padding-right: 2vw;

    align-items: center;
    pointer-events: auto;
}

.Nav_Bar nav ul {
    display: flex;
    margin: 0;
    padding: 0;
    gap: 0.5rem;

    list-style: none;
}

.Nav_Bar nav ul li {
    border: 2px solid var(--color-white);
    padding: 0 0.5rem;

    color: var(--color-white);
    font-family: "Quantico", sans-serif;
    font-size: clamp(1rem, 2vh, 1.5rem);
    text-transform: uppercase;
}

.Nav_Bar nav ul li a {
    display: block;

    color: var(--color-white);
    text-decoration: none;
    white-space: nowrap;

    transition: color 0.3s ease;
}

.Nav_Bar nav ul li a:hover,
.Nav_Bar nav ul li a:focus-visible {
    color: var(--color-accent);
}

/* =========================================================
   Desktop horizontal-scrolling bookshelf

   The wrapper is rotated so vertical wheel scrolling moves
   horizontally across the project banners.
   ========================================================= */

.outter-wrapper {
    position: absolute;

    width: 100vh;
    height: 100vw;

    overflow-x: hidden;
    overflow-y: auto;

    transform: rotate(-90deg) translateX(-100vh);
    transform-origin: top left;

    scrollbar-width: none;
}

#projectBookshelf {
    display: flex;
    width: max-content;
    min-width: 100vw;
    flex-direction: row;

    transform: rotate(90deg) translateY(-100vh);
    transform-origin: top left;
}

/* =========================================================
   Project banners
   ========================================================= */

.projectBanner {
    position: relative;

    flex: 0 0 clamp(250px, 18vw, 350px);
    height: 100vh;
    min-width: 0;

    overflow: hidden;

    border: 1px solid var(--color-white);
    color: var(--color-white);
    opacity: 0.85;
    text-decoration: none;

    transition:
        transform 0.5s ease,
        opacity 0.5s ease;
}

.projectBanner:link,
.projectBanner:visited,
.projectBanner:hover,
.projectBanner:active {
    color: var(--color-white);
    text-decoration: none;
}

.projectBanner:hover {
    z-index: 10;
    opacity: 1;
    transform: scale(1.05);
}

.projectBanner::after {
    content: "";

    position: absolute;
    inset: 0;
    z-index: 2;

    background: linear-gradient(
        to top,
        rgba(10, 11, 26, 0.75),
        rgba(10, 11, 26, 0.05) 55%
    );

    pointer-events: none;
}

.projectBanner p {
    position: absolute;
    right: 0;
    bottom: 15%;
    left: 0;
    z-index: 3;

    display: flex;
    width: 100%;
    min-height: 20%;
    margin: 0;
    padding: 1rem;

    align-items: flex-end;
    justify-content: center;

    color: var(--color-white);
    font-family: "CanelaMed", serif;
    font-size: clamp(2rem, 6vh, 4.5rem);
    line-height: 1;
    text-align: center;

    transition: transform 0.3s ease;
}

.projectBanner:hover p {
    transform: scale(1.06);
}

/* =========================================================
   Project images
   ========================================================= */

.projectBanner > div {
    width: 100%;
    height: 100%;
}

.projectBanner img {
    position: absolute;
    top: 50%;
    left: 50%;

    display: block;
    width: auto;
    height: 100%;
    max-width: none;

    object-fit: cover;
    transform: translate(-50%, -50%);
}

/* Individual desktop image positioning */

#bookSpine_Ion img {
    transform: translate(-50%, -50%);
}

#bookSpine_Kamassi img {
    transform: translate(-43%, -50%);
}

#bookSpine_Stratum img {
    transform: translate(-48%, -50%);
}

#bookSpine_1000 img {
    transform: translate(-49.2%, -47%);
}

/* =========================================================
   Mobile layout
   ========================================================= */

@media (max-width: 800px) {
    html,
    body {
        width: 100%;
        min-height: 100%;
        overflow-x: hidden;
        overflow-y: auto;
    }

    /* Mobile header */

    .Nav_Bar {
        position: fixed;
        top: 0;
        right: 0;
        left: 0;

        display: block;
        width: 100%;
        height: auto;
        padding: 0.75rem 1rem 0;

        background: linear-gradient(
            to bottom,
            rgba(10, 11, 26, 0.98),
            rgba(10, 11, 26, 0.88)
        );

        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

    #heroTitle {
        width: 100%;
        padding: 0;

        font-size: clamp(3rem, 15vw, 5rem);
        line-height: 1;
    }

    .Nav_Bar nav {
        display: block;
        width: 100%;
        height: auto;
        padding: 0.65rem 0 0.8rem;

        overflow: hidden;
    }

    .Nav_Bar nav ul {
        display: flex;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 0;
        gap: 0.3rem;

        justify-content: space-between;
    }

    .Nav_Bar nav ul li {
        flex: 1 1 0;
        min-width: 0;
        padding: 0.3rem 0.15rem;

        border-width: 1px;
        font-size: clamp(0.62rem, 2.8vw, 0.78rem);
        text-align: center;
    }

    .Nav_Bar nav ul li a {
        display: block;
        width: 100%;
        padding: 0;

        overflow: hidden;
        text-overflow: clip;
        white-space: nowrap;
    }

    /* Remove the rotated desktop scrolling system */

    .outter-wrapper {
        position: static;

        width: 100%;
        max-width: 100%;
        height: auto;
        padding-top: 8.5rem;

        overflow: visible;

        transform: none;
    }

    #projectBookshelf {
        display: flex;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: 0.5rem;
        gap: 0.5rem;

        flex-direction: column;

        transform: none;
    }

    /* Horizontal project cards */

    .projectBanner {
        position: relative;

        flex: none;
        width: 100%;
        max-width: 100%;
        height: clamp(150px, 38vw, 210px);

        border: 1px solid rgba(255, 245, 225, 0.55);
        border-radius: 8px;
        opacity: 1;

        transform: none;
    }

    .projectBanner:hover {
        opacity: 1;
        transform: none;
    }

    .projectBanner::after {
        background: linear-gradient(
            to right,
            rgba(10, 11, 26, 0.8),
            rgba(10, 11, 26, 0.15)
        );
    }

    .projectBanner > div,
    #bookSpine_Ion,
    #bookSpine_Kamassi,
    #bookSpine_Stratum,
    #bookSpine_1000 {
        width: 100%;
        height: 100%;
    }

    .projectBanner img,
    #bookSpine_Ion img,
    #bookSpine_Kamassi img,
    #bookSpine_Stratum img,
    #bookSpine_1000 img {
        position: static;

        width: 100%;
        height: 100%;
        max-width: 100%;

        object-fit: cover;
        object-position: center;

        transform: none;
    }

    .projectBanner p {
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;

        width: 100%;
        height: 100%;
        min-height: 0;
        padding: 1.25rem;

        align-items: center;
        justify-content: flex-start;

        font-size: clamp(1.8rem, 9vw, 3rem);
        line-height: 1;
        text-align: left;

        transform: none;
    }

    .projectBanner:hover p {
        transform: none;
    }
}

/* Extra-small phones */

@media (max-width: 380px) {
    .Nav_Bar {
        padding-right: 0.65rem;
        padding-left: 0.65rem;
    }

    .Nav_Bar nav ul {
        gap: 0.2rem;
    }

    .Nav_Bar nav ul li {
        padding-right: 0.1rem;
        padding-left: 0.1rem;
        font-size: 0.6rem;
    }

    #projectBookshelf {
        padding-right: 0.35rem;
        padding-left: 0.35rem;
    }
}