:root {
    color-scheme: dark;
    --background: #080A0C;
    --panel: #0D1013;
    --panel-raised: #14191E;
    --line: #303942;
    --line-muted: #20272D;
    --text: #D7DDE3;
    --muted: #788590;
    --faint: #4C5862;
    --cyan: #65D1C7;
    --shell: 74rem;
    --gutter: clamp(1.25rem, 4vw, 3rem);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--background);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 20rem;
    background: var(--background);
    color: var(--text);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
    text-underline-offset: 0.22em;
    text-decoration-color: var(--faint);
}

a:hover {
    color: var(--cyan);
    text-decoration-color: currentColor;
}

a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 4px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

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

.shell {
    width: min(100% - (2 * var(--gutter)), var(--shell));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 20;
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--cyan);
    background: var(--panel-raised);
    color: var(--text);
    font-weight: 700;
    transform: translateY(-200%);
}

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

.site-header {
    border-bottom: 1px solid var(--line-muted);
}

.header-inner {
    min-height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.94rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.brand-mark {
    display: inline-grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid var(--cyan);
    color: var(--cyan);
    font-size: 0.75rem;
    letter-spacing: 0;
}

nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
}

nav a {
    text-decoration: none;
}

.hero {
    padding-block: clamp(4.5rem, 10vw, 8rem) clamp(4rem, 9vw, 7rem);
}

.hero-copy {
    max-width: 53rem;
}

.eyebrow,
.step-label,
.section-number,
.meta-line {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.eyebrow {
    margin-bottom: 1.1rem;
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1 {
    max-width: 13ch;
    margin-bottom: 1.6rem;
    font-size: clamp(3rem, 9vw, 6.6rem);
    font-weight: 650;
    letter-spacing: -0.065em;
}

.lede {
    max-width: 46rem;
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.35rem;
}

.button {
    display: inline-flex;
    min-height: 2.9rem;
    align-items: center;
    justify-content: center;
    padding: 0.68rem 1rem;
    border: 1px solid var(--line);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
}

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

.button.primary:hover {
    background: transparent;
    color: var(--cyan);
}

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

.meta-line {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.76rem;
}

.meta-line span {
    margin-inline: 0.35rem;
}

.terminal-figure {
    margin: clamp(3.5rem, 8vw, 6rem) 0 0;
    border: 1px solid var(--line);
    background: var(--background);
}

.terminal-figure img {
    display: block;
    width: 100%;
    height: auto;
}

.section {
    display: grid;
    grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.5fr);
    gap: clamp(2.5rem, 7vw, 7rem);
    padding-block: clamp(4rem, 9vw, 7rem);
    border-top: 1px solid var(--line-muted);
}

.section-heading h2 {
    max-width: 16ch;
    margin-bottom: 1.3rem;
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 620;
    letter-spacing: -0.045em;
}

.section-heading > p:last-child {
    max-width: 36rem;
    margin-bottom: 0;
    color: var(--muted);
}

.capabilities article {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr);
    column-gap: 1.5rem;
    padding-block: 0.35rem 2.25rem;
    border-bottom: 1px solid var(--line-muted);
}

.capabilities article + article {
    padding-top: 2.25rem;
}

.capabilities h3 {
    margin-bottom: 0.6rem;
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.capabilities article > p:last-child {
    max-width: 42rem;
    margin-bottom: 0;
    color: var(--muted);
}

.section-number {
    grid-row: 1 / span 2;
    margin-bottom: 0;
    color: var(--cyan);
    font-size: 0.76rem;
}

.scope-note {
    margin: 2rem 0 0 4.5rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.story-copy {
    max-width: 42rem;
    font-size: clamp(1.25rem, 2.5vw, 1.7rem);
    letter-spacing: -0.018em;
}

.story-copy p:last-child {
    margin-bottom: 0;
    color: var(--cyan);
}

.command-steps {
    border-top: 1px solid var(--line);
}

.command-step {
    display: grid;
    grid-template-columns: minmax(13rem, 0.9fr) minmax(15rem, 1.1fr);
    gap: 2rem;
    align-items: start;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
}

.command-copy p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.step-label {
    margin-bottom: 0.45rem;
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 700;
}

pre {
    overflow-x: auto;
    margin: 0;
    padding: 1.1rem 1.25rem;
    border-left: 2px solid var(--cyan);
    background: var(--panel);
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    font-size: clamp(0.8rem, 1.7vw, 0.94rem);
    line-height: 1.7;
    tab-size: 4;
}

.start-note {
    grid-column: 2;
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--panel);
}

.footer-inner {
    display: grid;
    grid-template-columns: minmax(12rem, 0.8fr) minmax(17rem, 1.2fr);
    gap: clamp(2rem, 8vw, 8rem);
    padding-block: 3rem;
}

.footer-brand {
    margin-bottom: 1rem;
}

.footer-inner p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.disclaimer {
    max-width: 45rem;
}

@media (max-width: 48rem) {
    .section {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .section-heading h2 {
        max-width: 19ch;
    }

    .start-note {
        grid-column: 1;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 37rem) {
    .header-inner {
        min-height: 0;
        padding-block: 1rem;
        align-items: flex-start;
    }

    nav {
        flex-direction: column;
        align-items: flex-end;
        gap: 0.45rem;
    }

    h1 {
        font-size: clamp(2.75rem, 15vw, 4.5rem);
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .capabilities article {
        grid-template-columns: 2.25rem minmax(0, 1fr);
        column-gap: 0.75rem;
    }

    .scope-note {
        margin-left: 3rem;
    }

    .command-step {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

@media (forced-colors: active) {
    .brand-mark,
    .button,
    .terminal-figure,
    pre {
        border-color: CanvasText;
    }

    .button.primary {
        background: Highlight;
        color: HighlightText;
    }
}