/* ==========================================================================
   EldritchCodex · unified 12-column editorial layout
   Fraunces (display) · IBM Plex Sans (prose) · IBM Plex Mono (code & meta)
   ========================================================================== */

:root {
    color-scheme: dark;

    --bg: #0c0d10;
    --surface: #111318;
    --surface-2: #151820;
    --rule: rgba(214, 210, 196, 0.11);
    --rule-strong: rgba(214, 210, 196, 0.22);

    --ink-rgb: 236, 232, 223;
    --glass-rgb: 255, 255, 255;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);

    --ink: #ece8df;
    --text: #b7b4ac;
    --muted: #7e7b74;
    --dim: #55534e;

    --nodens: #6ea8d6;
    --nyar: #b18ae0;
    --armitage: #d9a75c;

    --sx-kw: #c699e3;
    --sx-type: #7ec4b6;
    --sx-fn: #82aee6;
    --sx-str: #b5cc82;
    --sx-num: #e09672;
    --sx-com: #63615b;
    --sx-attr: #dfc077;

    --wrap: 1140px;
    --pad-x: 36px;
    --pad-y: 36px;

    /* Hub of the background astrolabe; it sits over the hero art on wide screens */
    --hub-x: 82%;

    --font-display: "Fraunces", Georgia, serif;
    --font-sans: "IBM Plex Sans", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px;
}

body {
    margin: 0;
    background-color: var(--bg);
    background-image:
        /* concentric rings, one bone ring every 104px */
        repeating-radial-gradient(circle at var(--hub-x) -90px,
            rgba(var(--ink-rgb), 0.03) 0 1px, transparent 1px 104px),
        /* the blue node's ring, every second bone ring */
        repeating-radial-gradient(circle at var(--hub-x) -90px,
            rgba(110, 168, 214, 0.035) 0 1px, transparent 1px 208px),
        /* the amber node's ring, every fourth */
        repeating-radial-gradient(circle at var(--hub-x) -90px,
            rgba(217, 167, 92, 0.04) 0 1px, transparent 1px 416px),
        /* the instrument's vertical axis, through the hub */
        linear-gradient(90deg,
            transparent 0 calc(var(--hub-x) - 0.5px),
            rgba(var(--ink-rgb), 0.03) calc(var(--hub-x) - 0.5px) calc(var(--hub-x) + 0.5px),
            transparent calc(var(--hub-x) + 0.5px)),
        /* the rotated square, as a faint diagonal lattice */
        repeating-linear-gradient(45deg, rgba(var(--ink-rgb), 0.012) 0 1px, transparent 1px 148px),
        repeating-linear-gradient(-45deg, rgba(var(--ink-rgb), 0.012) 0 1px, transparent 1px 148px);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* Live canvas (js/bg-field.js) replaces the static gradients above. */
.bg-field {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.bg-live body {
    background-image: none;
}

/* Monochrome grain over the whole page. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%20x%3D%270%27%20y%3D%270%27%20width%3D%27100%25%27%20height%3D%27100%25%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%270.8%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20type%3D%27saturate%27%20values%3D%270%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
    background-size: 220px 220px;
    opacity: 0.05;
    mix-blend-mode: normal;
}

/* Justified prose. Hyphenation keeps narrow columns from opening wide gaps. */
p,
.notes li {
    text-align: justify;
    text-wrap: pretty;
    hyphens: auto;
}

/* Table text stays left-aligned. */
.ledger-table td {
    text-align: left;
    text-wrap: pretty;
}

/* Code-sample paragraphs keep their natural alignment. */
.flush-text {
    text-align: left;
}

a {
    color: inherit;
    text-decoration: none;
}

code {
    font-family: var(--font-mono);
    font-size: 0.87em;
    color: var(--ink);
    background: rgba(var(--ink-rgb), 0.07);
    padding: 1px 5px;
    border-radius: 3px;
}

::selection {
    background: rgba(217, 167, 92, 0.28);
    color: var(--ink);
}

/* ---------- Outer frame & 12-column grid -------------------------------- */

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    border-left: 1px solid var(--rule);
    border-right: 1px solid var(--rule);
}

.row {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    border-top: 1px solid var(--rule);
}

.row--first {
    border-top: 0;
}

.col-3 {
    grid-column: span 3;
}

.col-4 {
    grid-column: span 4;
}

.col-5 {
    grid-column: span 5;
}

.col-6 {
    grid-column: span 6;
}

.col-7 {
    grid-column: span 7;
}

.col-8 {
    grid-column: span 8;
}

.col-12 {
    grid-column: span 12;
}

.cell {
    padding: var(--pad-y) var(--pad-x);
    min-width: 0;
}

.cell+.cell {
    border-left: 1px solid var(--rule);
}

.cell--compact {
    padding: 26px 28px;
}

.cell--flush {
    padding: 0;
}

/* ---------- Header ------------------------------------------------------ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rule);
}

.header-inner {
    max-width: var(--wrap);
    margin: 0 auto;
    height: 56px;
    padding: 0 var(--pad-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-left: 1px solid var(--rule);
    border-right: 1px solid var(--rule);
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.wordmark svg {
    width: 18px;
    height: 20px;
    flex: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 26px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--muted);
}

.nav a {
    transition: color 0.15s;
}

.nav a:hover {
    color: var(--ink);
}

.nav .num {
    color: var(--dim);
    margin-right: 5px;
}

.nav .ext {
    color: var(--ink);
    padding-left: 18px;
    border-left: 1px solid var(--rule);
}

/* ---------- Hero (8 + 4) ------------------------------------------------ */

.hero-copy {
    padding: 68px var(--pad-x) 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kicker {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 18px;
}

h1,
h2,
h3,
h4 {
    text-wrap: balance;
}

p,
li {
    text-wrap: pretty;
}

.kicker a {
    color: inherit;
    border-bottom: 1px solid var(--rule-strong);
    transition: color 0.15s, border-color 0.15s;
}

.kicker a:hover {
    color: var(--ink);
    border-color: var(--armitage);
}

.hero-copy h1 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(32px, 3.6vw, 44px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0 0 18px;
}

.hero-copy h1 em {
    font-style: italic;
    font-weight: 300;
    color: var(--armitage);
}

.hero-copy h1 .mono-word {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.86em;
    letter-spacing: -0.04em;
    color: var(--armitage);
}

.hero-copy p {
    margin: 0 0 28px;
    max-width: 62ch;
    font-size: 16px;
    color: var(--text);
}

.hero-copy .hero-note {
    margin: -12px 0 28px;
    max-width: 62ch;
    font-size: 13.5px;
    color: var(--muted);
}

.hero-links {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 12.5px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    border-radius: 3px;
    border: 1px solid var(--rule-strong);
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink);
    background: var(--surface);
    transition: border-color 0.15s, background 0.15s;
}

.btn:hover {
    background: var(--surface-2);
    border-color: rgba(var(--ink-rgb), 0.38);
}

.link-quiet {
    color: var(--muted);
    transition: color 0.15s;
}

.link-quiet:hover {
    color: var(--ink);
}

.hero-art {
    display: grid;
    place-items: center;
    padding: 32px;
    background: radial-gradient(closest-side, rgba(217, 167, 92, 0.06), transparent 78%);
}

.astrolabe {
    width: min(260px, 100%);
    height: auto;
}

.astrolabe .spin-slow {
    transform-origin: 160px 160px;
    animation: turn 90s linear infinite;
}

.astrolabe .spin-rev {
    transform-origin: 160px 160px;
    animation: turn-rev 60s linear infinite;
}

/* The square turns faster than the triangles, the dashed ring slowest and against them. */
.astrolabe .spin-fast {
    transform-origin: 160px 160px;
    animation: turn 38s linear infinite;
}

.astrolabe .spin-ring {
    transform-origin: 160px 160px;
    animation: turn-rev 150s linear infinite;
}

@keyframes turn {
    to {
        transform: rotate(360deg);
    }
}

@keyframes turn-rev {
    to {
        transform: rotate(-360deg);
    }
}

/* ---------- Example agent thread (Zed-style window) --------------------- */

.zed-wrap {
    padding: 18px var(--pad-x) var(--pad-y);
}

.zed {
    max-width: 820px;
    margin: 0 auto;
    border: 1px solid var(--rule-strong);
    border-radius: 6px;
    background: var(--surface);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.zed p {
    text-align: left;
    hyphens: manual;
}

/* Without JS the examples simply stack; with it they become a deck of cards. */
.zed-deck {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.zed {
    display: flex;
    flex-direction: column;
}

.zed-thread {
    flex: 1;
}

.zed-deck.is-deck {
    --step: 16px;
    display: grid;
    gap: 0;
    max-width: 820px;
    margin: 0 auto;
    padding-bottom: calc(var(--step) * 2 + 4px);
}

.zed-deck.is-deck .zed {
    grid-area: 1 / 1;
    max-width: none;
    margin: 0;
    transform-origin: 50% 0;
    transition: transform 0.42s cubic-bezier(0.3, 0.7, 0.2, 1), filter 0.42s ease;
}

.zed-deck.is-deck .zed[data-pos="0"] {
    z-index: 3;
    transform: none;
}

.zed-deck.is-deck .zed[data-pos="1"] {
    z-index: 2;
    transform: translateY(var(--step)) scaleX(0.96);
    filter: brightness(0.72);
}

.zed-deck.is-deck .zed[data-pos="2"] {
    z-index: 1;
    transform: translateY(calc(var(--step) * 2)) scaleX(0.92);
    filter: brightness(0.55);
}

/* The front card dips down before it slides behind the others. */
.zed-deck.is-deck .zed.is-leaving {
    transform: translateY(calc(var(--step) * 2.6)) scaleX(0.99);
    transition-duration: 0.26s;
}

/* Cards behind are decoration; keep them out of reach of the keyboard and screen readers. */
.zed-deck.is-deck .zed:not([data-pos="0"]) {
    pointer-events: none;
}

/* The question list beside the deck (shown once the script has built the deck). */
.zed-layout.has-list {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.zed-layout.has-list .zed-deck.is-deck {
    max-width: none;
    margin: 0;
}

.zed-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.zed-list[hidden] {
    display: none;
}

.zed-list button {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--rule-strong);
    border-left: 2px solid var(--rule-strong);
    border-radius: 3px;
    background: none;
    color: var(--muted);
    font: inherit;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.zed-list button:hover {
    color: var(--ink);
    border-color: var(--armitage);
}

.zed-list button[aria-pressed="true"] {
    color: var(--ink);
    border-color: var(--armitage);
    background: color-mix(in srgb, var(--armitage) 8%, transparent);
}

.zed-source {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--armitage);
}

.zed-q {
    font-size: 14px;
    line-height: 1.45;
}

@media (max-width: 960px) {
    .zed-layout.has-list {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .zed-deck.is-deck .zed {
        transition: none;
    }
}

.zed-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--rule);
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
}

.zed-title {
    color: var(--ink);
}

.zed-thread {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 18px 18px 20px;
    font-size: 13.5px;
    line-height: 1.65;
}

.zed-role {
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
}

.zed-agent .zed-role {
    color: var(--armitage);
}

.zed-user {
    padding: 10px 14px;
    border: 1px solid var(--rule);
    border-radius: 5px;
    background: var(--surface-2);
    color: var(--ink);
}

.zed-user p,
.zed-agent p {
    margin: 0;
}

.zed-agent p+p,
.zed-agent .zed-tools+p {
    margin-top: 10px;
}

.zed-tools {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0 0 12px;
    padding: 0;
    list-style: none;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
}

.zed-tools li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 3px 10px;
    border: 1px solid var(--rule);
    border-radius: 3px;
}

.zed-tools code {
    background: none;
    padding: 0;
    color: var(--text);
}

.zed-tools span {
    color: var(--dim);
    white-space: nowrap;
}

.zed-fn {
    margin-left: 1px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--armitage);
}

.zed-notes {
    margin: 14px 0 0;
    padding: 12px 0 0 1.4em;
    border-top: 1px solid var(--rule);
    font-size: 12px;
    line-height: 1.55;
    color: var(--muted);
}

.zed-notes li+li {
    margin-top: 4px;
}

.zed-notes code {
    color: var(--armitage);
    text-decoration: underline;
    text-decoration-color: rgba(217, 167, 92, 0.4);
    text-underline-offset: 3px;
}

.zed-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 14px 14px;
    padding: 9px 12px;
    border: 1px solid var(--rule-strong);
    border-radius: 5px;
    background: var(--bg);
    font-size: 12.5px;
    color: var(--dim);
}

.zed-input em {
    font-style: normal;
    color: var(--muted);
}

.zed-model {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
}

@media (max-width: 640px) {
    .zed-tools li {
        flex-direction: column;
        gap: 0;
    }
}

/* ---------- Index cards (4 + 4 + 4) ------------------------------------- */

.index-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.18s;
}

.index-card:hover {
    background: rgba(var(--ink-rgb), 0.02);
}

.index-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
}

.index-card h2 {
    margin: 2px 0 0;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 23px;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.index-card h2 .arrow {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--dim);
    transition: transform 0.2s, color 0.2s;
}

.index-card:hover h2 .arrow {
    transform: translate(2px, 2px);
    color: var(--ink);
}

.index-card p {
    margin: 0;
    font-size: 13.5px;
    color: var(--text);
}

/* ---------- Project chapters -------------------------------------------- */

.chapter[data-tone="nodens"] {
    --tone: var(--nodens);
}

.chapter[data-tone="nyar"] {
    --tone: var(--nyar);
}

.chapter[data-tone="armitage"] {
    --tone: var(--armitage);
}

/* Glass header: frosted panel over a soft glow in the chapter's tone. */
.chapter {
    position: relative;
    isolation: isolate;
}

.chapter::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 420px;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(360px 240px at 16% 55%, color-mix(in srgb, var(--tone) 26%, transparent), transparent 72%),
        radial-gradient(300px 200px at 78% 30%, color-mix(in srgb, var(--tone) 14%, transparent), transparent 72%);
}

.chapter-header {
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--tone) 8%, rgba(var(--glass-rgb), 0.03)),
            rgba(var(--glass-rgb), 0.02));
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    backdrop-filter: blur(18px) saturate(1.2);
    box-shadow: inset 0 1px 0 rgba(var(--glass-rgb), 0.05);
}

.chapter-kicker {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
}

.chapter-index {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.chapter-index .roman {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 22px;
    line-height: 1;
    color: var(--tone);
}

/* A full stop after every numeral. */
.chapter-index .roman::after {
    content: ".";
}

.chapter-label {
    letter-spacing: 0.12em;
}

.chapter-kicker .tag {
    flex: 0 0 auto;
    font-size: 10px;
    color: var(--tone);
    border: 1px solid color-mix(in srgb, var(--tone) 42%, transparent);
    padding: 1px 8px;
    border-radius: 2px;
}

.chapter-header .chapter-head {
    border-left: 0;
}

.chapter-aside {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Title and description over the stack on the left; the links card runs beside both. */
.chapter-header .chapter-head {
    grid-column: 1 / 9;
    grid-row: 1;
}

.chapter-header .chapter-stack {
    grid-column: 1 / 9;
    grid-row: 2;
    border-top: 1px solid var(--rule);
}

.chapter-header .chapter-aside {
    grid-column: 9 / 13;
    grid-row: 1 / 3;
    border-left: 1px solid var(--rule);
}

.aside-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dim);
}

.chapter-links {
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 12.5px;
}

.chapter-links li {
    border-top: 1px solid var(--rule);
}

.chapter-links a {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    color: var(--muted);
    transition: color 0.15s;
}

.chapter-links a::after {
    content: "\2197";
    color: var(--dim);
    transition: transform 0.15s, color 0.15s;
}

.chapter-links a:hover {
    color: var(--ink);
}

.chapter-links a:hover::after {
    color: var(--tone);
    transform: translate(2px, -2px);
}

.chapter-links .is-note {
    padding: 9px 0;
    color: var(--dim);
    line-height: 1.5;
}

.chapter-head h2 {
    margin: 0 0 14px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(30px, 3.6vw, 40px);
    line-height: 1.06;
    letter-spacing: -0.015em;
    color: var(--ink);
}

/* A glyph before the chapter name, in the chapter's tone. */
.chapter-head h2.has-mark {
    display: flex;
    align-items: center;
    gap: 0.28em;
}

.chapter-mark {
    flex: none;
    width: 1.1em;
    height: 1.1em;
    color: var(--tone);
}

.chapter-head p {
    margin: 0;
    font-size: 15.5px;
    color: var(--text);
}

.chapter-head p+p {
    margin-top: 12px;
}

/* A quieter second paragraph under the chapter description. */
.chapter-head .chapter-note {
    font-size: 13.5px;
    color: var(--muted);
}

.cell h3 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 20px;
    color: var(--ink);
}

.cell>p {
    margin: 0 0 18px;
}

.pillar .idx {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--tone);
    display: block;
    margin-bottom: 6px;
}

.pillar h4 {
    margin: 0 0 6px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 17px;
    color: var(--ink);
}

.pillar p {
    margin: 0;
    font-size: 13.5px;
    color: var(--text);
}

.notes {
    margin: 0;
    padding: 0;
    list-style: none;
}

.notes li {
    padding: 9px 0 9px 18px;
    position: relative;
    border-top: 1px solid var(--rule);
    font-size: 14px;
}

.notes li:first-child {
    border-top: 0;
    padding-top: 0;
}

.notes li:last-child {
    padding-bottom: 0;
}

.notes li::before {
    content: "·";
    position: absolute;
    left: 0;
    color: var(--dim);
}

/* ---------- Code / shell figures ---------------------------------------- */

.figure {
    margin: 0;
    border: 1px solid var(--rule-strong);
    border-radius: 3px;
    background: var(--surface);
    overflow: hidden;
}

.figure-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 14px;
    border-bottom: 1px solid var(--rule);
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
}

.figure-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.figure-tab {
    background: none;
    border: 1px solid transparent;
    border-radius: 2px;
    padding: 2px 9px;
    font: inherit;
    color: var(--muted);
    cursor: pointer;
}

.figure-tab:hover {
    color: var(--ink);
}

.figure-tab.active {
    color: var(--ink);
    background: var(--surface);
    border-color: var(--rule-strong);
}

.code,
.shell {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.7;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--rule-strong) transparent;
}

.code {
    padding: 12px 0 14px;
    counter-reset: ln;
}

.code .ln {
    display: block;
    padding-right: 14px;
    white-space: pre;
}

.code .ln::before {
    counter-increment: ln;
    content: counter(ln);
    display: inline-block;
    width: 34px;
    padding-right: 12px;
    text-align: right;
    color: var(--dim);
    user-select: none;
}

.shell {
    padding: 12px 16px 14px;
}

.shell .sh-ln {
    display: block;
    white-space: pre;
    color: var(--ink);
}

.shell .p {
    color: var(--armitage);
    user-select: none;
}

.shell .c {
    color: var(--dim);
}

.t-kw {
    color: var(--sx-kw);
}

.t-type {
    color: var(--sx-type);
}

.t-fn {
    color: var(--sx-fn);
}

.t-str {
    color: var(--sx-str);
}

.t-num {
    color: var(--sx-num);
}

.t-com {
    color: var(--sx-com);
    font-style: italic;
}

.t-attr {
    color: var(--sx-attr);
}

/* ---------- Dependency strip -------------------------------------------- */

.dep-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    padding: 15px var(--pad-x);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
}

.dep-strip .label {
    color: var(--dim);
    margin-right: 4px;
}

.dep-strip a {
    color: var(--text);
    transition: color 0.15s;
}

.dep-strip a:hover {
    color: var(--ink);
}

/* ---------- Nyar canvas ------------------------------------------------- */

.stage-box {
    position: relative;
    height: 100%;
    min-height: 300px;
    border: 1px solid var(--rule-strong);
    border-radius: 3px;
    background: #08090c;
    overflow: hidden;
}

.stage-box canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.stage-caption {
    position: absolute;
    left: 12px;
    bottom: 10px;
    right: 12px;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
    pointer-events: none;
}

/* ---------- Armitage skills table --------------------------------------- */

.ledger-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.ledger-table th,
.ledger-table td {
    text-align: left;
    padding: 11px var(--pad-x);
    border-top: 1px solid var(--rule);
    vertical-align: top;
}

.ledger-table thead th {
    border-top: 0;
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--dim);
    padding-top: 14px;
    padding-bottom: 10px;
}

.ledger-table th:first-child,
.ledger-table td:first-child {
    width: 220px;
}

.ledger-table th:nth-child(2),
.ledger-table td:nth-child(2) {
    width: 130px;
}

.ledger-table td:first-child {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--armitage);
    white-space: nowrap;
}

.ledger-table td:nth-child(2) {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
    white-space: nowrap;
}

/* Tables of running text: the second column is prose, not a short label. */
.ledger-table--text td:first-child {
    width: 200px;
    white-space: normal;
}

.ledger-table--text th:nth-child(2),
.ledger-table--text td:nth-child(2) {
    width: auto;
}

.ledger-table--text td:nth-child(2) {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    white-space: normal;
}

.table-head {
    padding: 22px var(--pad-x) 4px;
}

.table-head--row {
    padding: 20px 28px;
}

.table-head h3 {
    margin: 0 0 6px;
}

.table-head p {
    margin: 0;
    font-size: 13.5px;
    color: var(--muted);
}

.table-head p strong {
    font-weight: 500;
    color: var(--text);
}

.skill-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px var(--pad-x);
    border-bottom: 1px solid var(--rule);
}

.skill-filters[hidden] {
    display: none;
}

.skill-filter {
    padding: 4px 11px;
    border: 1px solid var(--rule-strong);
    border-radius: 3px;
    background: none;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.skill-filter:hover {
    color: var(--ink);
}

.skill-filter[aria-pressed="true"] {
    color: var(--armitage);
    border-color: color-mix(in srgb, var(--armitage) 45%, transparent);
}

.ledger-table td:last-child {
    color: var(--text);
}

.ledger-legend {
    margin: 0;
    padding: 13px var(--pad-x);
    border-top: 1px solid var(--rule);
    font-size: 13px;
    color: var(--muted);
}

.ledger-legend strong {
    font-weight: 500;
    color: var(--text);
}

.ledger-note {
    margin: 0;
    padding: 13px var(--pad-x) 15px;
    border-top: 1px solid var(--rule);
    font-size: 13px;
    color: var(--muted);
}

/* ---------- Shared Dev Container row ------------------------------------ */

.pull-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px 10px 14px;
    border: 1px solid var(--rule-strong);
    border-radius: 3px;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink);
    overflow-x: auto;
}

.pull-box button {
    flex: none;
    border: 1px solid var(--rule-strong);
    background: var(--surface-2);
    color: var(--muted);
    font: inherit;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 2px;
    cursor: pointer;
}

.pull-box button:hover {
    color: var(--ink);
}

/* ---------- Footer ------------------------------------------------------ */

.site-footer {
    border-top: 1px solid var(--rule);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
}

.footer-inner {
    padding: 22px var(--pad-x);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-inner a:not(.footer-links a) {
    border-bottom: 1px solid var(--rule-strong);
}

.footer-inner a:not(.footer-links a):hover {
    color: var(--ink);
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a:hover {
    color: var(--ink);
}

/* ---------- Responsive -------------------------------------------------- */

@media (max-width: 960px) {
    :root {
        --pad-x: 24px;
        --pad-y: 28px;
        /* the hero art centres once the cells stack */
        --hub-x: 50%;
    }

    .col-3,
    .col-4,
    .col-5,
    .col-6,
    .col-7,
    .col-8 {
        grid-column: span 12;
    }

    .cell+.cell {
        border-left: 0;
        border-top: 1px solid var(--rule);
    }

    .chapter-header .chapter-head,
    .chapter-header .chapter-stack,
    .chapter-header .chapter-aside {
        grid-column: 1 / -1;
        grid-row: auto;
    }

    .chapter-header .chapter-aside {
        border-left: 0;
        border-top: 1px solid var(--rule);
    }


    .stage-box {
        min-height: 240px;
    }

    .nav {
        gap: 14px;
        font-size: 11.5px;
    }

    .nav .num,
    .nav .hide-sm,
    .figure-bar>span:last-child,
    .ledger-table th:nth-child(2),
    .ledger-table td:nth-child(2) {
        display: none;
    }
}

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

    .astrolabe .spin-slow,
    .astrolabe .spin-rev,
    .astrolabe .spin-fast,
    .astrolabe .spin-ring,
    .astrolabe .spin-glyph {
        animation: none;
    }
}

/* Utilities replacing former inline styles (kept CSP-friendly) */
.flush-text {
    margin: 0;
}

.cell--center {
    display: flex;
    align-items: center;
}

.cell--center .pull-box {
    width: 100%;
}

/* Visually hidden, still read by screen readers and crawlers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Honest-context note under a chapter header */
.callout {
    border-left: 2px solid var(--tone);
}

.callout-label {
    display: block;
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tone);
}

.callout p {
    margin: 0;
    font-size: 14px;
    color: var(--text);
}

/* Back link on a project page. */
.crumb {
    margin: 0;
    padding: 14px var(--pad-x, 28px);
    font-family: var(--font-mono);
    font-size: 12px;
}

.crumb a {
    color: var(--muted);
    transition: color 0.15s;
}

.crumb a:hover {
    color: var(--ink);
}

/* A numbered sequence. */
.steps {
    list-style: none;
    margin: 0;
    padding: 6px var(--pad-x) var(--pad-y);
    counter-reset: none;
}

.steps li {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid var(--rule);
}

.steps li:first-child {
    border-top: 0;
}

.step-num {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--tone, var(--armitage));
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--tone, var(--armitage));
}

.steps h4,
.pipeline .stage-name {
    margin: 4px 0 4px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 400;
    color: var(--ink);
}

.steps p,
.pipeline p {
    margin: 0 0 4px;
    text-align: left;
    hyphens: manual;
}

.step-why {
    font-size: 13px;
    color: var(--muted);
}

.step-why::before {
    content: "\2192\00a0";
    color: var(--tone, var(--armitage));
}

/* A horizontal pipeline of stages. */
.pipeline {
    list-style: none;
    margin: 0;
    padding: 6px var(--pad-x) var(--pad-y);
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
}

.pipeline li {
    position: relative;
    padding: 4px 18px 4px 16px;
    border-left: 1px solid var(--rule-strong);
    font-size: 13.5px;
}

.pipeline li:not(:last-child)::after {
    content: "\2192";
    position: absolute;
    right: -8px;
    top: 8px;
    color: var(--tone, var(--armitage));
    background: var(--bg, #0c0d10);
    font-size: 14px;
    line-height: 1;
}

.pipeline .stage-name {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tone, var(--armitage));
    margin-bottom: 8px;
}

@media (max-width: 960px) {
    .pipeline {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .pipeline li:not(:last-child)::after {
        content: none;
    }
}


/* ---------- Sections: a title column beside the content --------------- */
/* Each section is a ruled band with its title and intro on the left and the content on the right,
   so a whole page reads as one continuous, aligned document. */

.sect {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 0;
    padding: 0;
    border-top: 1px solid var(--rule);
}

.sect-intro {
    align-self: start;
    padding: 52px 40px 52px var(--pad-x);
}

.sect:not(.sect--stack):not(.sect--bare) .sect-intro {
    position: sticky;
    top: 92px;
}

.sect-intro h3 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(26px, 2.6vw, 34px);
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.sect-intro p,
.sect-intro .notes li {
    font-size: 14.5px;
    line-height: 1.65;
    color: var(--muted);
    text-align: left;
    hyphens: manual;
}

.sect-intro .notes li {
    padding: 8px 0;
}

.sect-body {
    min-width: 0;
    padding: 52px var(--pad-x) 52px 44px;
    border-left: 1px solid var(--rule);
}

.sect-body > * + * {
    margin-top: 28px;
}

/* A section with no title (the first points under a project header) spans the full width. */
.sect--bare,
.sect--stack {
    grid-template-columns: minmax(0, 1fr);
}

.sect--bare .sect-body,
.sect--stack .sect-body {
    padding: 32px var(--pad-x) 44px;
    border-left: 0;
}

.sect--stack .sect-intro {
    padding-bottom: 0;
}

.sect--bare {
    padding-top: 12px;
}

/* Lists of points: a label on the left, the explanation on the right. */
.items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.items li {
    display: grid;
    grid-template-columns: minmax(110px, 150px) minmax(0, 1fr);
    gap: 28px;
    padding: 22px 0;
    border-top: 1px solid var(--rule);
}

.items li:first-child {
    padding-top: 0;
    border-top: 0;
}

.item-idx {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.item-idx .big-num {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: 44px;
    line-height: 1;
    letter-spacing: 0;
    color: var(--tone, var(--armitage));
}

.items h4 {
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 20px;
    color: var(--ink);
}

.items p {
    margin: 0 0 6px;
    font-size: 14.5px;
    line-height: 1.65;
    color: var(--text);
    text-align: left;
    hyphens: manual;
}

.items .role-name {
    font-family: var(--font-mono);
    font-size: 16px;
}

.items .step-why {
    font-size: 13px;
    color: var(--muted);
}

.items .step-why::before {
    content: "\2192\00a0";
    color: var(--tone, var(--armitage));
}

/* Bare sections lay their points out in columns. */
.sect--bare .items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0 36px;
}

.sect--bare .items li {
    display: block;
    padding: 0;
    border-top: 0;
}

.sect--bare .item-idx {
    margin-bottom: 10px;
}

.sub-label {
    margin: 44px 0 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--rule);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.sub-label:first-child {
    margin-top: 0;
}

.sub-label + .items li:first-child {
    padding-top: 22px;
}

/* Content that used to span the page now fits the body column. */
.sect-body .ledger-table th:first-child,
.sect-body .ledger-table td:first-child {
    padding-left: 0;
}

.sect-body .ledger-table th:last-child,
.sect-body .ledger-table td:last-child {
    padding-right: 0;
}

.sect-body .steps,
.sect-body .references,
.sect-body .zed-wrap {
    padding: 0;
}

/* Leftover two-cell rows stack inside the narrower body column. */
.sect-body .row {
    display: block;
    border-top: 0;
}

.sect-body .row > .cell {
    padding-left: 0;
    padding-right: 0;
}

.sect-body .row > .cell + .cell {
    margin-top: 24px;
    padding-left: 0;
    border-left: 0;
}

.items + .items li:first-child {
    padding-top: 22px;
    border-top: 1px solid var(--rule);
}

.sect-body .skill-filters {
    margin-bottom: 14px;
}

.sect-cta {
    padding: 36px var(--pad-x) 8px;
    border-top: 1px solid var(--rule);
}

.chapter + .chapter {
    margin-top: 72px;
}

/* A stepper: numerals joined by a hairline. */
.steps li {
    position: relative;
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 20px;
    padding: 0 0 28px;
    border-top: 0;
}

.steps li:not(:last-child)::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 40px;
    bottom: 6px;
    width: 1px;
    background: var(--rule-strong);
}

.step-num {
    background: none;
    border-color: var(--rule-strong);
    color: var(--ink);
    font-weight: 400;
}

.steps h4 {
    margin-top: 5px;
}

@media (max-width: 960px) {
    .sect {
        grid-template-columns: minmax(0, 1fr);
    }

    .sect-intro {
        padding: 40px var(--pad-x) 0;
    }

    .sect-body {
        padding: 24px var(--pad-x) 40px;
        border-left: 0;
    }

    .sect:not(.sect--stack):not(.sect--bare) .sect-intro {
        position: static;
    }

    .items li {
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }
}

/* Reference list: hanging indent, left-aligned. */
.references {
    list-style: none;
    margin: 0;
    padding: 6px var(--pad-x) var(--pad-y);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
}

.references li {
    position: relative;
    padding: 7px 0 7px 22px;
    text-align: left;
    hyphens: manual;
    overflow-wrap: anywhere;
}

.references li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 17px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--tone, var(--armitage));
}

.references strong {
    font-weight: 500;
    color: var(--ink);
}

.references a {
    color: var(--muted);
    border-bottom: 1px solid var(--rule-strong);
}

.references a:hover {
    color: var(--ink);
}

/* Canvas beside its code stays side by side. */
.sect-body .row:has(.stage-box) {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 24px;
}

.sect-body .row:has(.stage-box) > .cell + .cell {
    margin-top: 0;
}

.sect-body > :not(.items) + .items {
    margin-top: 36px;
}

.sect-body .row:has(.stage-box) > .cell {
    grid-column: auto;
}


/* Astrolabe strokes. */
.s-ink16 {
    stroke: rgba(var(--ink-rgb), 0.16);
}

.s-ink35 {
    stroke: rgba(var(--ink-rgb), 0.35);
}

.f-ink {
    fill: rgb(var(--ink-rgb));
}

/* ---------- Product-page nudges ------------------------------------------ */
/* A larger hero, more air around sections, and framed exhibits. */

.hero-copy h1 {
    font-size: clamp(38px, 4.6vw, 58px);
    line-height: 1.08;
}

.hero-copy.cell {
    padding-top: 64px;
    padding-bottom: 64px;
}

.figure,
.stage-box {
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.zed {
    border-radius: 8px;
}

/* Step-by-step flows: square cards on a dashed rail, each step pointing to the next. */
.flow {
    list-style: none;
    margin: 0;
    padding: 0;
}

.flow-card {
    position: relative;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 26px 22px 20px;
    border: 1px solid var(--rule-strong);
    border-radius: 2px;
    background: transparent;
}

.flow-card + .flow-card {
    margin-top: 40px;
}

/* The rail and its arrowhead hang from the step number itself, so they always share its centre line. */
.flow-card + .flow-card .flow-num {
    position: relative;
}

.flow-card + .flow-card .flow-num::before {
    content: "";
    position: absolute;
    left: 13px;
    top: -63px;
    height: 32px;
    border-left: 1px dashed var(--tone, var(--armitage));
}

.flow-card + .flow-card .flow-num::after {
    content: "";
    position: absolute;
    top: -30px;
    left: 9px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--tone, var(--armitage));
}

.flow-num {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--tone, var(--armitage));
    border-radius: 2px;
    background: none;
    color: var(--tone, var(--armitage));
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1;
}

.flow-card h4 {
    margin: 2px 0 6px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 19px;
    color: var(--ink);
}

.flow-card p {
    margin: 0 0 4px;
    font-size: 14.5px;
    line-height: 1.6;
    text-align: left;
    hyphens: manual;
}

.flow-card .step-why {
    font-size: 12.5px;
    color: var(--muted);
}

.flow-card .step-why::before {
    content: "\2192\00a0";
    color: var(--tone, var(--armitage));
}

/* ---------- Fine detail: hatching, rule ticks and section numbers --------- */

.sect {
    border-top: 0;
}

/* The header gets a second hairline just beneath its border. */
.site-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1px;
    background: var(--rule);
    pointer-events: none;
}

/* ---------- Section lines ------------------------------------------------ */
/* Each section is a ruled band. A small plain cross marks the corners and the head of the divider. */

:root {
    --cross: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 9 9'%3E%3Cpath d='M4.5 0v9M0 4.5h9' stroke='black' stroke-width='1'/%3E%3C/svg%3E");
}

.sect {
    position: relative;
    border-top: 1px solid var(--rule);
}

.sect::before {
    content: none;
}

.sect > .sect-intro,
.sect:not(.sect--stack) > .sect-body {
    border-top: 0;
}

.sect::after {
    content: "";
    position: absolute;
    left: -5px;
    right: -5px;
    top: -5px;
    height: 9px;
    pointer-events: none;
    background: rgba(var(--ink-rgb), 0.55);
    -webkit-mask: var(--cross) 0 0 / 9px 9px no-repeat, var(--cross) 100% 0 / 9px 9px no-repeat;
    mask: var(--cross) 0 0 / 9px 9px no-repeat, var(--cross) 100% 0 / 9px 9px no-repeat;
}

.sect:not(.sect--bare):not(.sect--stack) > .sect-body {
    position: relative;
}

.sect:not(.sect--bare):not(.sect--stack) > .sect-body::before {
    content: "";
    position: absolute;
    left: -5px;
    top: -5px;
    width: 9px;
    height: 9px;
    pointer-events: none;
    background: rgba(var(--ink-rgb), 0.55);
    -webkit-mask: var(--cross) center / 9px 9px no-repeat;
    mask: var(--cross) center / 9px 9px no-repeat;
}

/* Section numbers: plain mono above each title. */
.chapter {
    counter-reset: sect;
}

.sect-intro::before {
    counter-increment: sect;
    content: counter(sect, decimal-leading-zero);
    display: block;
    margin-bottom: 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--tone, var(--armitage));
}

/* The glyph ring on the astrolabe turns slowly, with the dashed ring's company. */
.astrolabe .spin-glyph {
    transform-origin: 160px 160px;
    animation: turn 240s linear infinite;
}

/* Role cards: what each role builds on. */
.role-meta {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
    margin: 10px 0 0 !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
    color: var(--muted) !important;
}

.role-meta span:first-child {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tone, var(--armitage));
    padding-top: 2px;
}

.role-meta em {
    font-style: italic;
    color: var(--text);
}

/* ---------- Buttons: one left edge, one rhythm ----------------------------- */

/* The overview button sits in its own ruled strip, on the content's left edge. */
.sect-cta {
    padding: 22px var(--pad-x) 26px;
}

.chapter + .chapter {
    margin-top: 48px;
}

/* Filter buttons and notes inside a section body align with the table beneath them. */
.sect-body .skill-filters {
    padding: 0 0 16px;
    border-bottom: 0;
}

.sect-body .ledger-legend {
    padding-left: 0;
    padding-right: 0;
}

/* The hero button keeps a steady distance below the intro text. */
.hero-links {
    margin-top: 8px;
}

/* ---------- Label hierarchy: category labels, skill names, group headings --- */

/* The left-hand category label reads as a label, not as faded metadata. */
.item-idx {
    padding-top: 0;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--text);
}

/* A short accent tick ties the label to its section's tone. */
.item-idx:not(:has(.big-num))::before {
    content: "";
    display: block;
    width: 14px;
    height: 1px;
    margin-bottom: 5px;
    background: var(--tone, var(--armitage));
    opacity: 0.8;
}

/* Skill and role names get a step up in size and a little room below. */
.items .role-name {
    margin-bottom: 10px;
    font-size: 18px;
    letter-spacing: -0.01em;
    color: var(--ink);
}

/* Group headings ("Contains the agent", "Keeps you in charge") and the intro kicker. */
.sub-label,
.sect-intro .kicker {
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--text);
}

.sub-label {
    padding-bottom: 12px;
    border-bottom-color: var(--rule-strong);
}

.sub-label + .items li:first-child {
    padding-top: 26px;
}

/* ==========================================================================
   Vacuum-tube phosphor: a subtle glow on lines, borders and icons (never text), with
   a few depth cues (layered shadows, top-lit panels, vignette, faint scanlines).
   Each project glows in its own key colour: Nodens blue, Nyar violet, Armitage amber.
   Inspired by the MAINFRAME 1.0 style by VKTRKRFT; see README.md.
   Everything here is decoration: remove this block to get the flat theme back.
   ========================================================================== */

:root {
    /* Default (home chrome & Armitage): warm tube amber. */
    --glow-rgb: 217, 167, 92;
    --warm-rgb: 255, 224, 182;

    --rule: rgba(var(--warm-rgb), 0.11);
    --rule-strong: rgba(var(--warm-rgb), 0.22);
}

/* Each project chapter (and each single-project page, including its header,
   outer rails and corner haze) takes that project's key colour. */
.chapter[data-tone="nodens"],
body:has(> main > .chapter[data-tone="nodens"]:only-of-type) {
    --glow-rgb: 110, 168, 214;
    --warm-rgb: 200, 228, 252;
}

.chapter[data-tone="nyar"],
body:has(> main > .chapter[data-tone="nyar"]:only-of-type) {
    --glow-rgb: 177, 138, 224;
    --warm-rgb: 226, 208, 250;
}

.chapter[data-tone="armitage"],
body:has(> main > .chapter[data-tone="armitage"]:only-of-type) {
    --glow-rgb: 217, 167, 92;
    --warm-rgb: 255, 224, 182;
}

:root,
.chapter[data-tone],
body:has(> main > .chapter[data-tone]:only-of-type) {
    --rule: rgba(var(--warm-rgb), 0.11);
    --rule-strong: rgba(var(--warm-rgb), 0.22);
    --shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.06),
        0 1px 2px rgba(0, 0, 0, 0.5),
        0 22px 50px -6px rgba(0, 0, 0, 0.5),
        0 0 36px -14px rgba(var(--glow-rgb), 0.28);
}

/* ---------- Depth: atmosphere over the page ------------------------------ */
/* A vignette pulls the corners back, a warm haze sits at two corners,
   and very faint scanlines give the glass a surface. */

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 9998;
    pointer-events: none;
    background:
        repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.035) 0 1px, transparent 1px 3px),
        radial-gradient(ellipse 55% 38% at 4% -6%, rgba(var(--glow-rgb), 0.075), transparent 70%),
        radial-gradient(ellipse 48% 34% at 102% 104%, rgba(var(--glow-rgb), 0.055), transparent 70%),
        radial-gradient(ellipse 120% 100% at 50% 42%, transparent 58%, rgba(0, 0, 0, 0.34) 100%);
}

/* ---------- Lines: the structure of the page glows faintly --------------- */

.sect {
    border-top-color: rgba(var(--glow-rgb), 0.2);
    /* A thin cone of light spills from each divider into the section below it. */
    background: linear-gradient(180deg, rgba(var(--glow-rgb), 0.04), transparent 150px);
    box-shadow: 0 -1px 12px -3px rgba(var(--glow-rgb), 0.16);
}

/* The corner crosses become small lit points. */
.sect::after,
.sect:not(.sect--bare):not(.sect--stack) > .sect-body::before {
    background: rgba(var(--warm-rgb), 0.8);
    filter: drop-shadow(0 0 3px rgba(var(--glow-rgb), 0.7));
}

.site-header {
    border-bottom-color: rgba(var(--glow-rgb), 0.18);
    box-shadow:
        0 10px 26px -14px rgba(0, 0, 0, 0.7),
        0 1px 14px -6px rgba(var(--glow-rgb), 0.2);
}

.site-header::after {
    background: rgba(var(--glow-rgb), 0.09);
}

.wrap,
.header-inner {
    border-left-color: rgba(var(--glow-rgb), 0.09);
    border-right-color: rgba(var(--glow-rgb), 0.09);
}

/* Section dividers breathe, very slightly, like a tube at idle. */
@media (prefers-reduced-motion: no-preference) {
    @keyframes tube-breathe {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.68; }
    }

    .sect::after {
        animation: tube-breathe 7s ease-in-out infinite;
    }

    .sect:nth-of-type(even)::after {
        animation-delay: -3.5s;
    }
}

/* ---------- Surfaces: panels are lit from above -------------------------- */

.figure,
.stage-box,
.zed,
.pull-box {
    border-color: rgba(var(--glow-rgb), 0.24);
    background-image: linear-gradient(180deg, rgba(var(--warm-rgb), 0.035), transparent 46%);
}

.figure-bar {
    border-bottom-color: rgba(var(--glow-rgb), 0.16);
    background-image: linear-gradient(180deg, rgba(var(--warm-rgb), 0.04), transparent);
}

.flow-card {
    border-color: rgba(var(--glow-rgb), 0.24);
    background-image: linear-gradient(180deg, rgba(var(--warm-rgb), 0.03), transparent 55%);
    box-shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.05),
        0 0 24px -14px rgba(var(--glow-rgb), 0.3);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.flow-card:hover {
    border-color: rgba(var(--glow-rgb), 0.4);
    box-shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.07),
        0 0 30px -10px rgba(var(--glow-rgb), 0.38);
}

/* The front card of the example deck carries the light; the ones behind it sit in shadow. */
.zed-deck.is-deck .zed[data-pos="0"] {
    box-shadow: var(--shadow), 0 0 44px -16px rgba(var(--glow-rgb), 0.4);
}

/* ---------- Controls ----------------------------------------------------- */

.btn {
    border-color: rgba(var(--glow-rgb), 0.34);
    background-image: linear-gradient(180deg, rgba(var(--warm-rgb), 0.05), transparent);
    box-shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.08),
        0 1px 2px rgba(0, 0, 0, 0.45),
        0 0 18px -8px rgba(var(--glow-rgb), 0.32);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.2s, transform 0.2s;
}

.btn:hover {
    border-color: rgba(var(--glow-rgb), 0.6);
    box-shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.12),
        0 6px 14px -6px rgba(0, 0, 0, 0.6),
        0 0 24px -6px rgba(var(--glow-rgb), 0.5);
    transform: translateY(-1px);
}

.btn:active {
    transform: none;
}

.skill-filter {
    transition: color 0.15s, border-color 0.15s, box-shadow 0.2s;
}

.skill-filter[aria-pressed="true"] {
    border-color: rgba(var(--glow-rgb), 0.55);
    box-shadow: 0 0 14px -5px rgba(var(--glow-rgb), 0.45), inset 0 0 12px -8px rgba(var(--glow-rgb), 0.5);
}

.figure-tab.active {
    border-color: rgba(var(--glow-rgb), 0.4);
    box-shadow: 0 0 12px -6px rgba(var(--glow-rgb), 0.5);
}

.pull-box button:hover {
    box-shadow: 0 0 12px -4px rgba(var(--glow-rgb), 0.5);
}

/* ---------- Icons and marks ---------------------------------------------- */

.wordmark svg {
    filter: drop-shadow(0 0 5px rgba(var(--glow-rgb), 0.55));
}

.chapter-mark {
    filter: drop-shadow(0 0 5px color-mix(in srgb, var(--tone, var(--armitage)) 60%, transparent));
}

.flow-num {
    box-shadow: 0 0 12px -3px color-mix(in srgb, var(--tone, var(--armitage)) 65%, transparent),
        inset 0 0 8px -5px color-mix(in srgb, var(--tone, var(--armitage)) 70%, transparent);
}

.flow-card + .flow-card .flow-num::before,
.flow-card + .flow-card .flow-num::after {
    filter: drop-shadow(0 0 3px color-mix(in srgb, var(--tone, var(--armitage)) 70%, transparent));
}

/* The short tick above each category label is a lit filament. */
.item-idx:not(:has(.big-num))::before {
    box-shadow: 0 0 6px 0 rgba(var(--glow-rgb), 0.7);
}

/* ---------- Source cards: three sources between Ask and Match ------------ */

.flow-branch {
    position: relative;
    margin-top: 40px;
}

.flow-branch + .flow-card {
    margin-top: 40px;
}

/* The dashed rail runs from step 1 into the sources, then from each source into step 2. */
.flow-branch::before,
.flow-branch + .flow-card .flow-num::before {
    content: "";
    position: absolute;
    left: 34px;
    top: -40px;
    height: 32px;
    border-left: 1px dashed var(--tone, var(--armitage));
    filter: drop-shadow(0 0 3px color-mix(in srgb, var(--tone, var(--armitage)) 70%, transparent));
}

.flow-branch + .flow-card .flow-num::before {
    left: 13px;
    top: -63px;
}

.flow-branch::after,
.flow-branch + .flow-card .flow-num::after {
    content: "";
    position: absolute;
    left: 30px;
    top: -7px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--tone, var(--armitage));
    filter: drop-shadow(0 0 3px color-mix(in srgb, var(--tone, var(--armitage)) 70%, transparent));
}

.flow-branch + .flow-card .flow-num::after {
    left: 9px;
    top: -30px;
}

.flow-branch + .flow-card .flow-num {
    position: relative;
}

/* Top bus: step 1 splits along a horizontal dashed line and points into all three sources.
   Bottom bus: all three sources merge back onto the main rail and point into step 2. */
.source-card {
    position: relative;
}

.source-grid::before,
.source-grid::after {
    content: "";
    position: absolute;
    left: 34px;
    right: calc((100% - 28px) / 6);
    border-bottom: 1px dashed color-mix(in srgb, var(--tone, var(--armitage)) 55%, transparent);
    pointer-events: none;
}

.source-grid::before {
    top: -21px;
}

.source-grid::after {
    bottom: -20px;
}

/* Cards 2 and 3 get a dashed stem + arrowhead from the top bus, and a dashed stem to the bottom bus. */
.source-card:not(:first-child)::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -21px;
    height: 13px;
    border-left: 1px dashed color-mix(in srgb, var(--tone, var(--armitage)) 55%, transparent);
}

.source-card:not(:first-child) > .item-idx {
    position: relative;
}

.source-card:not(:first-child) > .item-idx::after {
    content: "";
    position: absolute;
    left: calc(50% - 5px);
    top: -26px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--tone, var(--armitage));
    filter: drop-shadow(0 0 3px color-mix(in srgb, var(--tone, var(--armitage)) 70%, transparent));
}

.source-card:not(:first-child)::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -21px;
    height: 20px;
    border-left: 1px dashed color-mix(in srgb, var(--tone, var(--armitage)) 55%, transparent);
}

.source-grid {
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.source-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 18px 20px;
    border: 1px solid rgba(var(--glow-rgb), 0.24);
    border-radius: 2px;
    background-image: linear-gradient(180deg, rgba(var(--warm-rgb), 0.03), transparent 55%);
    box-shadow:
        inset 0 1px 0 rgba(var(--warm-rgb), 0.05),
        0 0 24px -14px rgba(var(--glow-rgb), 0.3);
}

.source-card h4 {
    margin: 2px 0 4px;
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 14px;
    color: var(--ink);
}

.source-card h4 code {
    padding: 0;
    background: none;
    font-size: inherit;
    color: inherit;
}

.source-card p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text);
    text-align: left;
    hyphens: manual;
}

@media (max-width: 760px) {
    .source-grid {
        grid-template-columns: 1fr;
    }

    .source-card:not(:first-child)::before,
    .source-card:not(:first-child)::after,
    .source-card:not(:first-child) > .item-idx::after,
    .source-grid::before,
    .source-grid::after {
        display: none;
    }
}