:root {
    --canvas: #fbfaf7;
    --panel: #f0efea;
    --panel-strong: #e8e6df;
    --ink: #252422;
    --ink-muted: #686660;
    --line-subtle: #8d8a82;
    --accent: #dc5127;
    --shell: #262522;
    --shell-ink: #f7f5ef;
    --shell-muted: #c9c5ba;
    color: var(--ink);
    background: var(--canvas);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
}

* {
    box-sizing: border-box;
    min-width: 0;
}

html {
    overflow-x: hidden;
}

body {
    min-width: 0;
    margin: 0;
    padding-inline: clamp(1rem, 4vw, 3rem);
    padding-bottom: clamp(1.25rem, 4vw, 3rem);
    line-height: 1.68;
}

html:has(body.game-page),
body.game-page {
    width: 100%;
    height: 100svh;
    overflow: hidden;
}

body.game-page {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: clamp(0.2rem, 1vh, 0.5rem);
    padding: clamp(0.25rem, 1vw, 0.75rem);
}

body.game-page .site-header,
body.game-page .site-footer {
    max-height: 3rem;
    overflow: hidden;
}

body.game-page .site-header {
    padding-bottom: 0.25rem;
}

body.game-page .site-footer {
    flex-wrap: nowrap;
    padding-top: 0.25rem;
    white-space: nowrap;
}

body.game-page .game-main {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    gap: 0.2rem;
    min-block-size: 0;
    padding: 0;
    overflow: hidden;
    container-type: size;
}

body.game-page .game-main .page-heading {
    justify-self: start;
}

body.game-page .game-main h1 {
    font-size: clamp(1rem, 4vh, 1.75rem);
}

body.game-page #not-found-message {
    font-size: clamp(0.7rem, 2.5vh, 0.9rem);
    line-height: 1.2;
}

body.game-page #lander-game {
    align-self: stretch;
    grid-row: -2 / -1;
    min-block-size: 0;
    container-type: size;
}

@media (max-height: 20rem) {
    body.game-page {
        grid-template-rows: 28px minmax(0, 1fr) 28px;
        gap: 0;
        padding-block: 0;
    }

    body.game-page .site-header,
    body.game-page .site-footer {
        block-size: 28px;
        max-height: 28px;
        padding-block: 0;
    }

    body.game-page .header-mark {
        width: 1rem;
        height: 1.5rem;
    }

    body.game-page .site-footer {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        gap: 0.25rem;
        font-size: 0.5rem;
        line-height: 1;
    }

    body.game-page .site-footer nav {
        flex: 1 1 auto;
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 0.25rem;
    }

    body.game-page .game-main {
        grid-template-rows: 0 0 minmax(0, 1fr);
        gap: 0;
    }

    body.game-page .game-main .page-heading,
    body.game-page #not-found-message {
        block-size: 0;
        overflow: hidden;
    }
}

header,
main,
footer {
    width: min(100%, 68rem);
    margin-inline: auto;
}

main {
    display: grid;
    gap: clamp(2.5rem, 7vw, 5rem);
    padding-block: clamp(3rem, 8vw, 6.5rem);
}

.home-main {
    gap: clamp(1.5rem, 4vw, 2.75rem);
    padding-block: clamp(1.5rem, 5vw, 3.5rem);
}

p,
li {
    max-width: 68ch;
}

img,
svg {
    max-width: 100%;
}

a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.22em;
    overflow-wrap: anywhere;
}

.site-header a,
.site-footer a,
.page-toc a {
    text-decoration: none;
}

a:hover {
    text-decoration-thickness: 0.14em;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    z-index: 10;
    padding: 0.65rem 0.85rem;
    background: var(--shell-ink);
    color: var(--shell);
    font-family: ui-monospace, "Cascadia Code", "Liberation Mono", Menlo, monospace;
    transform: translateY(-180%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    min-height: 4rem;
    padding-block: 0.75rem;
    background: var(--shell);
    color: var(--shell-ink);
    box-shadow: 0 0 0 100vmax var(--shell);
    clip-path: inset(0 -100vmax);
}

.header-identity,
.breadcrumbs,
.service-links,
.service-links a {
    display: inline-flex;
    align-items: center;
}

.header-identity {
    gap: 0.75rem;
}

.header-mark {
    width: 1.45rem;
    height: 2rem;
    flex: 0 0 auto;
    padding: 0.2rem;
    border-radius: 0.25rem;
    background: var(--shell-ink);
    object-fit: contain;
}

.breadcrumbs {
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: 0.92rem;
    font-weight: 650;
}

.breadcrumb-separator {
    color: var(--shell-muted);
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.site-header nav,
.site-kicker,
.eyebrow,
.status-label,
.error-code {
    margin: 0;
    color: var(--ink-muted);
    font-family: ui-monospace, "Cascadia Code", "Liberation Mono", Menlo, monospace;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-header nav {
    color: var(--shell-muted);
    font-family: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.service-links {
    gap: 0.5rem 1rem;
}

.site-header a {
    color: var(--shell-ink);
}

.site-header a:hover,
.site-header a:focus-visible {
    color: #fff;
}

.site-header [aria-current="page"] {
    color: var(--shell-muted);
}

.service-links a {
    gap: 0.4rem;
}

.service-icon {
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    fill: currentColor;
}

.site-kicker {
    margin: 0;
}

h1,
h2,
h3 {
    margin-block: 0;
    line-height: 1.08;
}

h1 {
    max-width: 18ch;
    margin-top: 0.35rem;
    font-size: clamp(2.65rem, 7vw, 4.75rem);
    letter-spacing: -0.052em;
}

h2 {
    max-width: 28ch;
    margin-bottom: 1.25rem;
    font-size: clamp(1.55rem, 4vw, 2.35rem);
    letter-spacing: -0.035em;
}

h3 {
    margin-block: 2.5rem 1rem;
    font-size: clamp(1.15rem, 3vw, 1.4rem);
}

code {
    padding: 0.08em 0.25em;
    background: var(--panel-strong);
    font-family: ui-monospace, "Cascadia Code", "Liberation Mono", Menlo, monospace;
    font-size: 0.92em;
    overflow-wrap: anywhere;
}

.identity-panel,
.status-panel {
    padding: 0;
}

.identity-panel {
    display: grid;
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
}

.identity-panel h1 {
    max-width: 100%;
    font-size: clamp(3.25rem, 8vw, 5.75rem);
}

.hero-heading {
    display: grid;
    align-content: start;
    gap: 1.25rem;
}

.hero-mark {
    width: clamp(3rem, 10vw, 4.25rem);
    height: clamp(4.5rem, 15vw, 6.4rem);
    object-fit: contain;
}

.status-panel {
    width: min(100%, 54rem);
}

.status-panel h2 {
    margin-top: 0.5rem;
}

.onboarding-tabs {
    display: flex;
    align-items: flex-end;
    gap: 1.75rem;
    margin-block: 2rem 1.25rem;
    border-bottom: 1px solid var(--line-subtle);
}

.onboarding-tabs button {
    position: relative;
    margin-bottom: -1px;
    padding: 0.65rem 0.1rem 0.8rem;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--ink-muted);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.onboarding-tabs button[aria-selected="true"] {
    border-bottom-color: var(--accent);
    color: var(--ink);
}

.onboarding-tabs button:hover {
    color: var(--ink);
}

.onboarding-panel {
    padding-block: 0.5rem;
}

.onboarding-panel + .onboarding-panel {
    margin-top: 1.25rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--line-subtle);
}

.onboarding-panel[role="tabpanel"] + .onboarding-panel[role="tabpanel"] {
    margin-top: 0;
    padding-top: 0.5rem;
    border-top: 0;
}

.onboarding-panel h3 {
    margin-block: 1rem 0.75rem;
}

.onboarding-panel[role="tabpanel"] h3 {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.onboarding-prompt-shell {
    position: relative;
    margin-block: 1.25rem 0.75rem;
}

.onboarding-prompt {
    max-height: 28rem;
    margin: 0;
    padding: 1.25rem 4rem 1.25rem 1.25rem;
    overflow: auto;
    border: 0;
    border-radius: 0.45rem;
    background: var(--panel);
    white-space: pre-wrap;
}

.onboarding-prompt code {
    padding: 0;
    background: transparent;
    overflow-wrap: anywhere;
    white-space: normal;
}

.onboarding-prompt-block {
    display: grid;
}

.onboarding-prompt-block + .onboarding-prompt-block {
    margin-top: 1.25rem;
}

.onboarding-prompt-literal {
    white-space: pre-wrap;
}

.onboarding-prompt-block:last-child {
    margin-bottom: 0;
}

.onboarding-prompt-paragraph {
    white-space: normal;
}

.copy-prompt-button {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    padding: 0.65rem;
    border: 0;
    border-radius: 0.35rem;
    background: transparent;
    color: var(--ink-muted);
    cursor: pointer;
}

.copy-prompt-button:hover {
    background: var(--panel-strong);
    color: var(--ink);
}

.copy-prompt-button svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.copy-status {
    min-height: 1.65em;
    margin: 0 0 0.5rem;
    color: var(--ink-muted);
}

.onboarding-commands {
    margin-block: 1rem;
    padding: 1.25rem;
    overflow: auto;
    border: 0;
    border-radius: 0.45rem;
    background: var(--panel);
    white-space: pre-wrap;
}

.onboarding-commands code {
    padding: 0;
    background: transparent;
}

.sourced-content > :first-child {
    margin-top: 0;
}

.sourced-content > :last-child {
    margin-bottom: 0;
}

.sourced-content li + li {
    margin-top: 0.9rem;
}

.page-heading,
.error-message {
    padding-top: clamp(1rem, 4vw, 3rem);
}

.detail-main {
    padding-block-start: clamp(0.75rem, 2vw, 1.25rem);
}

.detail-main .page-heading {
    padding-top: 0;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem 2rem;
    padding-top: 1.5rem;
    color: var(--ink-muted);
    font-family: inherit;
    font-size: 0.82rem;
}

.site-footer p {
    margin: 0;
}

.site-footer nav {
    align-items: center;
    gap: 0.5rem 1.25rem;
}

.site-footer a {
    color: var(--ink-muted);
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: var(--ink);
}

.footer-game-link {
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    flex: 0 0 24px;
}

.footer-game-mark {
    width: 0.8rem;
    height: 1.2rem;
    object-fit: contain;
}

.long-form-content {
    width: min(100%, 76ch);
}

.long-form-content h1 {
    margin-top: 0;
    max-width: 16ch;
    font-size: clamp(2.75rem, 6vw, 4rem);
}

.long-form-content h2 {
    margin-top: 3.75rem;
}

.long-form-content h3 {
    margin-top: 2.75rem;
}

.long-form-body {
    font-size: 1.03rem;
}

.long-form-content > :first-child {
    margin-top: 0;
}

.page-toc {
    margin-block: 1.75rem 3rem;
    padding: 0;
    color: var(--ink-muted);
    font-size: 0.86rem;
    line-height: 1.45;
}

.page-toc-title {
    margin: 0 0 0.75rem;
    color: var(--ink-muted);
    font-family: ui-monospace, "Cascadia Code", "Liberation Mono", Menlo, monospace;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-toc-list,
.page-toc-sublist {
    margin-block: 0;
    padding-left: 0;
    list-style: none;
}

.page-toc a {
    color: var(--ink-muted);
}

.page-toc a:hover,
.page-toc a:focus-visible {
    color: var(--ink);
}

.page-toc li + li {
    margin-top: 0.45rem;
}

.page-toc-sublist {
    margin-top: 0.45rem;
    padding-left: 0.9rem;
}

@media (min-width: 48rem) {
    .identity-panel {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

}

@media (min-width: 64rem) {
    .long-form-content {
        width: 100%;
    }

    .long-form-layout {
        display: grid;
        grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr);
        column-gap: clamp(3rem, 6vw, 5.5rem);
        align-items: start;
    }

    .long-form-layout > h1 {
        grid-column: 2;
        grid-row: 1;
    }

    .long-form-layout > .page-toc {
        grid-row: 1 / span 2;
        grid-column: 1;
        margin-block: 0;
        position: sticky;
        top: 2rem;
        max-height: calc(100vh - 4rem);
        overflow-y: auto;
    }

    .long-form-body {
        grid-row: 2;
        grid-column: 2;
    }
}

@media (max-width: 35rem) {
    .site-header {
        align-items: center;
        flex-direction: row;
        gap: 0.75rem;
    }

    .site-header .service-links {
        gap: 0.65rem;
    }

    .site-header .service-links span {
        width: 0;
        height: 0;
        padding: 0;
        margin: 0;
        overflow: hidden;
        font-size: 0;
        white-space: nowrap;
        border: 0;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    body.game-page .site-header {
        flex-direction: row;
        align-items: center;
        gap: 0.25rem;
        font-size: 0.625rem;
    }

    body.game-page .site-header nav {
        flex-wrap: nowrap;
        gap: 0.25rem;
        font-size: 0.6rem;
        letter-spacing: 0.04em;
    }

    body.game-page .header-identity {
        gap: 0.25rem;
    }

    body.game-page .service-links a {
        gap: 0.15rem;
    }

    body.game-page .site-footer {
        flex-direction: row;
        flex-wrap: wrap;
        align-content: center;
        gap: 0;
        font-size: 0.625rem;
        line-height: 1;
    }

    body.game-page .site-footer p,
    body.game-page .site-footer nav {
        width: 100%;
    }

    body.game-page .site-footer nav {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 0;
    }
}

@media (max-width: 35rem) and (max-height: 20rem) {
    body.game-page .site-header,
    body.game-page .site-footer {
        flex-wrap: nowrap;
        font-size: 0.4rem;
    }

    body.game-page .site-footer p,
    body.game-page .site-footer nav {
        width: auto;
    }

}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}