@layer site, viz-kit;

@import "viz-kit-b32NQdu.css";

@layer site {
:root {
    /* Colors -- near-monochrome, one quiet accent */
    --bg: #08080a;
    --text: #e4e4e7;
    /* floor: nothing dimmer */
    --text-muted: rgb(255 255 255 / 0.65);
    --border: #221f22;
    --accent: #a8a8b3;

    /* brand accent */
    --brand: #00b7ff;
    --brand-soft: #63d1ff;
    --paper: #f7f5f0;
    /* icon back layer, never text */
    --faint: #5b6478;

    --font-sans: "Montserrat", "Avenir Next", "Segoe UI", system-ui, sans-serif;
    --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;

    /* --settled: the frame a mark holds at rest */
    --dur: 6s;
    --ease: cubic-bezier(0.65, 0, 0.35, 1);
    --settled: -4.8s;

    --brandmark-h: 1.3rem;
    --content-w: 46rem;
    --rail-w: 14rem;
    --footer-clearance: 6rem;
    --layout-gap: var(--space-8);
    --accent-line-height: 3px;
    --accent-line-radius: 1.5px;
    --accent-line-title-width: 4rem;
    --accent-line-heading-width: 2rem;

    /* reserved by the fixed topbar: wordmark plus its equal inset */
    --topbar-h: calc(var(--brandmark-h) * 121 / 90 + 2 * var(--space-5));

    /* Type scale, ratio 1.25 (major third). --text-sm is the floor. */
    --text-sm: 0.9rem;
    --text-base: 1rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5625rem;
    --text-2xl: 1.953rem;
    --text-3xl: 2.441rem;
    --text-4xl: 3.052rem;

    /* Spacing scale, same ratio, base 0.5rem */
    --space-1: 0.5rem;
    --space-2: 0.625rem;
    --space-3: 0.781rem;
    --space-4: 0.977rem;
    --space-5: 1.221rem;
    --space-6: 1.526rem;
    --space-7: 1.907rem;
    --space-8: 2.384rem;
}

* {
    box-sizing: border-box;
    scrollbar-color: var(--brand) transparent;
    scrollbar-width: thin;
}

*::-webkit-scrollbar {
    width: 0.55rem;
    height: 0.55rem;
}

*::-webkit-scrollbar-track,
*::-webkit-scrollbar-corner {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: var(--brand);
    border-radius: 999px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-block-start: 4rem;
}

[id] {
    scroll-margin-block-start: 4rem;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.7;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-block-start: var(--topbar-h);
}

body:has(.package-brand) {
    --topbar-h: calc(2 * var(--space-5) + var(--brandmark-h) + 0.35rem + var(--text-xl) * 1.15);
}

body:has(.scope-long) {
    --topbar-h: calc(2 * var(--space-5) + var(--brandmark-h) + 0.35rem + var(--text-xl) * 2.3);
}

a {
    color: var(--text);
    text-decoration-color: var(--border);
    text-underline-offset: 0.2em;
}

a:hover {
    color: var(--accent);
}

:is(h1, h2, h3, h4, h5, h6) {
    font-weight: 400;
    text-wrap: balance;
}

strong, b {
    font-weight: 500;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    margin-block-start: var(--space-8);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

:is(h1, h2, h3, h4, h5, h6, section, article, p, ul, ol, pre, blockquote, table) {
    margin-block-end: 2.5rem;
}

header, footer {
    padding: var(--space-5);
}

.topbar {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 30;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-5);
}

.altomark { color: var(--paper); display: block; }

.brandlockup { block-size: calc(var(--brandmark-h) * 121 / 90); inline-size: calc(var(--brandmark-h) * 346 / 90); }
.brandmark { block-size: var(--brandmark-h); inline-size: calc(var(--brandmark-h) * 346 / 90); }

.brand { display: flex; align-items: center; gap: 0.65rem; min-inline-size: 0; }
.brand .brandlink { display: inline-flex; text-decoration: none; }

.package-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
}

.package-brand-root {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.brand-separator { color: var(--brand); font-size: var(--text-lg); line-height: 1; }
.brand .scope {
    display: flex;
    gap: 0.35em;
    color: var(--paper);
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: 0.12em;
    line-height: 1.15;
    text-decoration: none;
    text-transform: uppercase;
}
.brand .scope-long {
    flex-wrap: wrap;
    max-inline-size: 11ch;
    row-gap: 0;
}
.brand .scope:hover { color: var(--brand); }

.topbar .gh {
    display: inline-flex;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

/* matched to the ALTO cap height, sitting on the same cap line */
.topbar .gh svg {
    inline-size: calc(var(--brandmark-h) * 84 / 90);
    block-size: calc(var(--brandmark-h) * 84 / 90);
    translate: 0 calc(var(--brandmark-h) * 3 / 90);
}
.topbar .gh:hover, .topbar .gh:focus-visible { color: var(--text); }

.layout {
    flex: 1;
    width: 100%;
    max-width: 72rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
}

.layout:has(.sidebar:empty) {
    grid-template-columns: 1fr;
}

/* edge to edge, so the summary sits on the wordmark's margin */
.layout:has(.sidebar:not(:empty)) {
    grid-template-columns: var(--rail-w) minmax(0, 1fr) minmax(0, var(--content-w)) minmax(0, 1fr) var(--rail-w);
    max-width: none;
}

.layout:has(.sidebar:not(:empty)) .sidebar { grid-column: 1; }
.layout:has(.sidebar:not(:empty)) main { grid-column: 3; }

.sidebar:empty {
    display: none;
}

.sidebar {
    padding: var(--space-6) var(--space-5) 0;
    position: fixed;
    inset-block-start: var(--topbar-h);
    inset-inline-start: 0;
    inline-size: var(--rail-w);
    block-size: calc(100dvh - var(--topbar-h));
    overflow: hidden;
}

.sidebar:not(:empty) {
    display: flex;
    flex-direction: column;
}

/* Keep the full rail until the footer enters the viewport, then surrender only
   the footer's height. Browsers without view timelines reserve that clearance
   from the start while keeping the rail fixed. */
@media (min-width: 60.01rem) and (min-height: 42rem) and (prefers-reduced-motion: no-preference) {
    @supports (animation-timeline: view()) {
        body { timeline-scope: --site-footer; }

        footer {
            view-timeline: --site-footer block;
        }

        .sidebar {
            contain: layout style;
            animation: sidebar-footer-clearance linear both;
            animation-timeline: --site-footer;
            animation-range: entry 0% entry 100%;
        }
    }
}

@media (min-width: 60.01rem) and (min-height: 42rem) and (prefers-reduced-motion: reduce) {
    .sidebar {
        block-size: calc(100dvh - var(--topbar-h) - var(--footer-clearance));
    }
}

@media (min-width: 60.01rem) and (min-height: 42rem) {
    @supports not (animation-timeline: view()) {
        .sidebar {
            block-size: calc(100dvh - var(--topbar-h) - var(--footer-clearance));
        }
    }
}

@keyframes sidebar-footer-clearance {
    from { block-size: calc(100dvh - var(--topbar-h)); }
    to { block-size: calc(100dvh - var(--topbar-h) - var(--footer-clearance)); }
}

.sidebar-navigation {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
    min-block-size: 0;
    overflow-y: auto;
    scrollbar-color: rgb(0 183 255 / 0.02) transparent;
    scrollbar-width: thin;
}

.sidebar-navigation::-webkit-scrollbar {
    width: 0.3rem;
}

.sidebar-navigation::-webkit-scrollbar-thumb {
    background: rgb(0 183 255 / 0.02);
}

.sidebar:hover .sidebar-navigation {
    scrollbar-color: rgb(0 183 255 / 0.45) transparent;
}

.sidebar:hover .sidebar-navigation::-webkit-scrollbar-thumb {
    background: rgb(0 183 255 / 0.45);
}

.nav-documentation {
    flex: 0 0 auto;
    padding-block-start: 0;
}

.nav-toggle {
    display: none;
}

.nav-close,
.nav-backdrop {
    display: none;
}

/* When the mirrored right rail no longer fits, keep the real rail at the
   viewport edge and give all remaining room to the right side. */
@media (max-width: 74rem) {
    .layout:has(.sidebar:not(:empty)) {
        grid-template-columns: var(--rail-w) minmax(var(--layout-gap), 1fr) minmax(0, var(--content-w)) minmax(var(--layout-gap), 1fr);
    }

    .layout:has(.sidebar:not(:empty)) main { grid-column: 3; }
}

/* Once rail + content no longer fit, centre the content and dock the
   navigation behind its existing toggle. */
@media (max-width: 60rem) {
    .layout:has(.sidebar:not(:empty)) {
        grid-template-columns: minmax(var(--layout-gap), 1fr) minmax(0, var(--content-w)) minmax(var(--layout-gap), 1fr);
    }

    .layout:has(.sidebar:not(:empty)) .nav-toggle {
        display: inline-block;
        grid-column: 2;
        grid-row: 1;
        cursor: pointer;
        border: 0;
        background: transparent;
        padding-block: var(--space-3);
        color: var(--text-muted);
        font: inherit;
        text-align: start;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-size: var(--text-sm);
    }

    .layout:has(.sidebar:not(:empty)) .nav-toggle:focus-visible,
    .nav-close:focus-visible {
        outline: 2px solid var(--brand);
        outline-offset: 0.25rem;
    }

    .layout:has(.sidebar:not(:empty)) main {
        grid-column: 2;
        grid-row: 2;
    }

    .sidebar:not(:empty) {
        position: fixed;
        inset-block: var(--topbar-h) 0;
        left: 0;
        width: 14rem;
        background: var(--bg);
        border-right: 1px solid var(--border);
        transform: translateX(-100%);
        visibility: hidden;
        pointer-events: none;
        transition: transform 0.2s ease, visibility 0s linear 0.2s;
        z-index: 20;
        overflow: hidden;
    }

    .sidebar.is-open {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
        transition-delay: 0s;
    }

    .nav-close {
        display: inline-block;
        align-self: flex-start;
        flex: 0 0 auto;
        margin-block-end: var(--space-4);
        border: 0;
        background: transparent;
        padding: 0;
        color: var(--text-muted);
        font: inherit;
        font-size: var(--text-sm);
        letter-spacing: 0.1em;
        text-transform: uppercase;
        cursor: pointer;
    }

    .nav-backdrop:not([hidden]) {
        display: block;
        position: fixed;
        inset: var(--topbar-h) 0 0;
        z-index: 19;
        border: 0;
        background: rgb(0 0 0 / 0.45);
    }

    body.nav-open {
        overflow: hidden;
    }
}

/* Below the content width, the main column owns the row. */
@media (max-width: 46rem) {
    .layout:has(.sidebar:not(:empty)) {
        grid-template-columns: minmax(0, 1fr);
    }

    .layout:has(.sidebar:not(:empty)) .nav-toggle,
    .layout:has(.sidebar:not(:empty)) main {
        grid-column: 1;
    }

    .layout:has(.sidebar:not(:empty)) .nav-toggle {
        padding-inline: var(--space-5);
    }
}

.sidebar .nav-title {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-block-size: 2.5rem;
    padding-inline-end: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--text-sm);
    line-height: 1.35;
    color: var(--text);
    margin: 0;
    cursor: pointer;
    list-style: none;
}

.sidebar .nav-title::-webkit-details-marker { display: none; }
.sidebar .nav-title::marker { content: ""; }

.sidebar .nav-title::after {
    content: "";
    inline-size: 0.35rem;
    block-size: 0.35rem;
    border-inline-end: 1px solid var(--text-muted);
    border-block-end: 1px solid var(--text-muted);
    rotate: 45deg;
}

.sidebar details[open] > .nav-title {
    margin-block-end: 0.2rem;
}

.sidebar details[open] > .nav-title::after {
    border-color: var(--brand);
    rotate: 225deg;
}

@media (prefers-reduced-motion: no-preference) {
    .sidebar .nav-title::after { transition: rotate 120ms ease-out; }
}

.sidebar .nav-title a { text-decoration: none; color: inherit; }

/* the package stays lit under the page you are on */
.sidebar .nav-title.is-ancestor a { color: var(--text-muted); }
.sidebar .nav-title.is-ancestor a:hover { color: var(--text); }

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

.sidebar li {
    margin: 0;
}

.sidebar li a {
    position: relative;
    display: block;
    padding-block: 0.2rem;
    padding-inline-start: 0.75rem;
    font-size: var(--text-sm);
    line-height: 1.4;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sidebar li a:hover { color: var(--text); }

.sidebar li a::before {
    content: "";
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 0;
    inline-size: 2px;
    block-size: 1rem;
    border-radius: 1px;
    background: transparent;
    translate: 0 -50%;
    transition: background-color 0.2s ease;
}

.sidebar li a:is([aria-current="page"], [aria-current="true"]) {
    color: var(--paper);
    letter-spacing: 0.015em;
}

.sidebar li a:is([aria-current="page"], [aria-current="true"])::before {
    background: var(--brand);
}

main {
    padding: var(--space-6) var(--space-5);
    min-width: 0;
}

.layout:has(.sidebar:not(:empty)) main {
    padding-inline: 0;
}

@media (max-width: 46rem) {
    .layout:has(.sidebar:not(:empty)) main {
        padding-inline: var(--space-5);
    }
}

main > * {
    margin-inline: auto;
}

.main-signoff {
    font-size: var(--text-sm);
    margin: 0;
    text-transform: none;
}

.main-signoff span {
    color: var(--brand);
}

.pkg-head + article { margin-inline: auto; }

.pkg-head + article > p:first-of-type {
    font-size: 1.0625rem;
}

article, .prose {
    max-width: 46rem;
}

footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-5);
    margin-block-start: calc(var(--space-8) * 1.5);
    font-size: 0.65625rem;
    font-weight: 300;
    font-stretch: semi-condensed;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

footer .colophon,
footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; margin: 0; }
footer nav { justify-self: end; }
:is(footer, article) a {
    position: relative;
    text-decoration: none;
    transition: color 220ms ease-in;
}

:is(footer, article) a::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: -0.2rem;
    block-size: 2px;
    border-radius: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 220ms ease-in;
}

:is(footer, article) a:hover,
:is(footer, article) a:focus-visible {
    transition-duration: 120ms;
    transition-timing-function: ease-out;
}

:is(footer, article) a:hover::after,
:is(footer, article) a:focus-visible::after {
    transform: scaleX(1);
    transition-duration: 120ms;
    transition-timing-function: ease-out;
}

footer a { color: var(--text-muted); }
footer a:hover,
footer a:focus-visible { color: var(--brand); }

article a { color: var(--brand); }
article a:hover,
article a:focus-visible { color: var(--brand-soft); }

.doc-pagination {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
    margin-block-start: calc(var(--space-8) * 2);
    padding-block-start: var(--space-8);
    border-block-start: 1px solid var(--border);
}

.doc-pagination a {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    justify-self: start;
    min-block-size: 2.5rem;
    max-inline-size: 100%;
    line-height: 1.45;
}

.doc-pagination a::after {
    display: none;
}

.doc-pagination a.doc-pagination-next {
    grid-column: 2;
    justify-self: end;
    align-items: flex-end;
    text-align: end;
}

.doc-pagination-direction {
    color: var(--brand);
    font-size: 0.65625rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.doc-pagination-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--paper);
    font-size: clamp(var(--text-lg), 4vw, var(--text-xl));
    line-height: 1.2;
}

.doc-pagination-arrow {
    font-family: var(--mono);
    font-size: 1.1em;
    font-weight: 300;
}

@media (max-width: 50rem) {
    footer {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    footer .colophon,
    footer nav {
        justify-content: center;
        justify-self: center;
    }
}

.footer-brand { color: inherit; }
.footer-brand span { color: var(--text); transition: color 220ms ease-in; }
.footer-brand:hover span,
.footer-brand:focus-visible span { color: inherit; transition-duration: 120ms; }
.footer-separator { color: currentColor; opacity: 0.75; }

article :is(p, li, blockquote) { text-wrap: pretty; }

article :is(ul, ol) {
    padding-inline-start: 1.4rem;
}

article li {
    margin-block-end: var(--space-1);
}

article li:last-child {
    margin-block-end: 0;
}

article li > p {
    margin-block-end: var(--space-2);
}

article h2,
article h3 {
    position: relative;
}

article > h1 {
    position: relative;
    font-size: clamp(3.25rem, 7vw, 4.75rem);
    margin-block-start: 0;
    margin-block-end: calc(var(--space-8) * 1.5);
    padding-block-end: var(--space-3);
}

article > h1::after {
    content: "";
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 0;
    inline-size: var(--accent-line-title-width);
    block-size: var(--accent-line-height);
    border-radius: var(--accent-line-radius);
    background: var(--brand);
}

article h2 {
    margin-block-start: calc(var(--space-8) * 2);
    margin-block-end: var(--space-6);
}

article h2::before {
    content: "";
    position: absolute;
    inset-block-start: 50%;
    inset-inline-end: calc(100% + var(--space-3));
    inline-size: var(--accent-line-heading-width);
    block-size: var(--accent-line-height);
    border-radius: var(--accent-line-radius);
    background: var(--brand);
    translate: 0 -50%;
}

article h3 {
    margin-block-start: calc(var(--space-8) * 1.4);
    margin-block-end: var(--space-5);
}


/* own leading: body runs 1.7, which reads double-spaced in a <pre> */
article :is(pre, pre code) {
    font-family: var(--mono);
    font-size: var(--text-sm);
    line-height: 1.55;
}

article pre {
    border: 1px solid var(--border);
    border-radius: var(--space-1);
    padding: var(--space-4) var(--space-5);
    overflow-x: auto;
    tab-size: 4;
}

article pre code { display: block; }

/* colour, not a box. Sized in em so code inside a heading scales with it,
   floored at --text-sm so it never drops below the smallest type on the page. */
article :not(pre) > code {
    font-family: var(--mono);
    font-size: max(var(--text-sm), 0.9em);
    color: var(--brand-soft);
    overflow-wrap: anywhere;
}

/* ---------------------------------------------------------------- tables */

article table {
    inline-size: 100%;
    border-collapse: collapse;
    margin-block-end: 2.5rem;
    font-size: var(--text-sm);
    line-height: 1.55;
}

article table:has(img) { table-layout: fixed; }

article table:has(img) img {
    display: block;
    inline-size: 100%;
    block-size: auto;
    outline: 1px solid rgb(255 255 255 / 0.1);
}

article :is(th, td) {
    text-align: start;
    vertical-align: top;
    padding: var(--space-3) var(--space-4);
    padding-inline-start: 0;
    border-block-end: 1px solid var(--border);
}

article :is(th, td):last-child { padding-inline-end: 0; }

article th {
    font-weight: 500;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-block-end-color: var(--text-muted);
    white-space: nowrap;
}

article td { color: var(--text-muted); }
article tbody tr:last-child :is(th, td) { border-block-end: 0; }
article td code { overflow-wrap: anywhere; }

/* ==================================================== the package marks */

:is(.icon, .card-icon) [data-anim] { transform-box: view-box; }
:is(.icon, .card-icon) [data-layer="primary"]   { stroke: var(--text); }
:is(.icon, .card-icon) [data-layer="secondary"] { stroke: var(--faint); }
:is(.icon, .card-icon) [data-layer="accent"]    { stroke: var(--brand); }
:is(.icon, .card-icon) [data-fill="accent"]     { fill: var(--brand); stroke: none; }
:is(.icon, .card-icon) .bg-fill                 { fill: var(--bg); stroke: none; }
:is(.icon, .card-icon) .trace { stroke-dasharray: 100; stroke-dashoffset: 100; }

/* ---- markdown: inline content slides right, under its block marker ---- */
@keyframes md-h { 0%, 5% { transform: translateX(0); } 15%, 85% { transform: translateX(16px); } 95%, 100% { transform: translateX(0); } }
@keyframes md-q { 0%, 25% { transform: translateX(0); } 35%, 85% { transform: translateX(16px); } 95%, 100% { transform: translateX(0); } }
@keyframes md-l { 0%, 45% { transform: translateX(0); } 55%, 85% { transform: translateX(16px); } 95%, 100% { transform: translateX(0); } }
[data-anim="md-h"] { animation: md-h var(--dur) var(--ease) infinite; }
[data-anim="md-q"] { animation: md-q var(--dur) var(--ease) infinite; }
[data-anim="md-l"] { animation: md-l var(--dur) var(--ease) infinite; }

/* ---- rst: each underline draws out to the exact length of its title ---- */
@keyframes rst-u1 { 0%, 6% { stroke-dashoffset: 100; } 22%, 86% { stroke-dashoffset: 0; } 94%, 100% { stroke-dashoffset: 100; } }
@keyframes rst-u2 { 0%, 26% { stroke-dashoffset: 100; } 42%, 86% { stroke-dashoffset: 0; } 94%, 100% { stroke-dashoffset: 100; } }
@keyframes rst-dot { 0%, 46% { opacity: 0; } 56%, 86% { opacity: 1; } 94%, 100% { opacity: 0; } }
@keyframes rst-name { 0%, 50% { stroke-dashoffset: 100; } 64%, 86% { stroke-dashoffset: 0; } 94%, 100% { stroke-dashoffset: 100; } }
@keyframes rst-body { 0%, 62% { stroke-dashoffset: 100; } 76%, 86% { stroke-dashoffset: 0; } 94%, 100% { stroke-dashoffset: 100; } }
[data-anim="rst-u1"] { animation: rst-u1 var(--dur) var(--ease) infinite; }
[data-anim="rst-u2"] { animation: rst-u2 var(--dur) var(--ease) infinite; }
[data-anim="rst-dot"] { animation: rst-dot var(--dur) var(--ease) infinite; opacity: 0; }
[data-anim="rst-name"] { animation: rst-name var(--dur) var(--ease) infinite; }
[data-anim="rst-body"] { animation: rst-body var(--dur) var(--ease) infinite; }

/* ---- frontmatter: the --- fence pushes the body down, the header fills the gap ---- */
@keyframes fm-slide { 0%, 15% { transform: translateY(0); } 35%, 85% { transform: translateY(32px); } 85.1%, 100% { transform: translateY(0); } }
@keyframes fm-fade { 0%, 20% { opacity: 0; } 40%, 85% { opacity: 1; } 85.1%, 100% { opacity: 0; } }
[data-anim="fm-slide"] { animation: fm-slide var(--dur) var(--ease) infinite; }
[data-anim="fm-fade"] { animation: fm-fade var(--dur) var(--ease) infinite; opacity: 0; }

/* ---- tree: a branch moves down, two children resolve under it ---- */
@keyframes tree-b-move { 0%, 10% { transform: translateY(0); } 20%, 85% { transform: translateY(20px); } 90%, 100% { transform: translateY(0); } }
@keyframes tree-stem { 0%, 10% { d: path("M 26 28 V 62"); } 20%, 85% { d: path("M 26 28 V 82"); } 90%, 100% { d: path("M 26 28 V 62"); } }
@keyframes tree-a1 { 0%, 20% { clip-path: inset(0 0 100% 0); opacity: 0; } 30%, 85% { clip-path: inset(0 0 0 0); opacity: 1; } 90%, 100% { clip-path: inset(0 0 100% 0); opacity: 0; } }
@keyframes tree-b1 { 0%, 65% { clip-path: inset(0 0 100% 0); opacity: 0; } 75%, 85% { clip-path: inset(0 0 0 0); opacity: 1; } 90%, 100% { clip-path: inset(0 0 100% 0); opacity: 0; } }
[data-anim="tree-b-move"] { animation: tree-b-move var(--dur) var(--ease) infinite; }
[data-anim="tree-stem"] { animation: tree-stem var(--dur) var(--ease) infinite; }
[data-anim="tree-a1"] { animation: tree-a1 var(--dur) var(--ease) infinite; }
[data-anim="tree-b1"] { animation: tree-b1 var(--dur) var(--ease) infinite; }

/* ---- json-patch: the pointer walks the tree, then the value it names changes ---- */
@keyframes jp-walk { 0%, 8% { transform: translateY(0); } 22%, 30% { transform: translateY(20px); } 44%, 88% { transform: translateY(40px); } 96%, 100% { transform: translateY(0); } }
@keyframes jp-old { 0%, 44% { opacity: 1; } 58%, 88% { opacity: 0; } 96%, 100% { opacity: 1; } }
@keyframes jp-new { 0%, 46% { stroke-dashoffset: 100; } 60%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
[data-anim="jp-walk"] { animation: jp-walk var(--dur) var(--ease) infinite; }
[data-anim="jp-old"] { animation: jp-old var(--dur) var(--ease) infinite; }
[data-anim="jp-new"] { animation: jp-new var(--dur) var(--ease) infinite; }

/* ---- language: each entry unfolds its metadata ---- */
@keyframes lang-1 { 0%, 10% { opacity: 0; transform: translateX(-6px); } 22%, 88% { opacity: 1; transform: translateX(0); } 96%, 100% { opacity: 0; transform: translateX(-6px); } }
@keyframes lang-2 { 0%, 26% { opacity: 0; transform: translateX(-6px); } 38%, 88% { opacity: 1; transform: translateX(0); } 96%, 100% { opacity: 0; transform: translateX(-6px); } }
@keyframes lang-3 { 0%, 42% { opacity: 0; transform: translateX(-6px); } 54%, 88% { opacity: 1; transform: translateX(0); } 96%, 100% { opacity: 0; transform: translateX(-6px); } }
[data-anim="lang-1"] { animation: lang-1 var(--dur) var(--ease) infinite; opacity: 0; }
[data-anim="lang-2"] { animation: lang-2 var(--dur) var(--ease) infinite; opacity: 0; }
[data-anim="lang-3"] { animation: lang-3 var(--dur) var(--ease) infinite; opacity: 0; }

/* ---- twig code highlight: the template delimiters close, the code lights up inside ---- */
@keyframes tw-l { 0%, 6% { stroke-dashoffset: 100; } 24%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
@keyframes tw-r { 0%, 14% { stroke-dashoffset: 100; } 32%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
@keyframes tw-hl { 0%, 40% { opacity: 0; } 54%, 88% { opacity: 1; } 96%, 100% { opacity: 0; } }
[data-anim="tw-l"] { animation: tw-l var(--dur) var(--ease) infinite; }
[data-anim="tw-r"] { animation: tw-r var(--dur) var(--ease) infinite; }
[data-anim="tw-hl"] { animation: tw-hl var(--dur) var(--ease) infinite; opacity: 0; }

/* ---- commonmark: an extension slides in and lights up ---- */
@keyframes ext-slide { 0%, 15% { transform: translateX(0); } 25%, 85% { transform: translateX(-16px); } 95%, 100% { transform: translateX(0); } }
@keyframes ext-activate { 0%, 24% { stroke: var(--faint); opacity: 0.5; } 25%, 85% { stroke: var(--ink); opacity: 1; } 86%, 100% { stroke: var(--faint); opacity: 0.5; } }
[data-anim="ext-slide"] { animation: ext-slide var(--dur) var(--ease) infinite; }
[data-anim="ext-activate"] { animation: ext-activate var(--dur) var(--ease) infinite; }

/* ---- code highlight ---- */
@keyframes hl-1 { 0%, 10% { opacity: 0; } 15%, 90% { opacity: 1; } 100% { opacity: 0; } }
@keyframes hl-2 { 0%, 25% { opacity: 0; } 30%, 90% { opacity: 1; } 100% { opacity: 0; } }
@keyframes hl-3 { 0%, 40% { opacity: 0; } 45%, 90% { opacity: 1; } 100% { opacity: 0; } }
@keyframes hl-4 { 0%, 55% { opacity: 0; } 60%, 90% { opacity: 1; } 100% { opacity: 0; } }
[data-anim="hl-1"] { animation: hl-1 var(--dur) ease-in-out infinite; opacity: 0; }
[data-anim="hl-2"] { animation: hl-2 var(--dur) ease-in-out infinite; opacity: 0; }
[data-anim="hl-3"] { animation: hl-3 var(--dur) ease-in-out infinite; opacity: 0; }
[data-anim="hl-4"] { animation: hl-4 var(--dur) ease-in-out infinite; opacity: 0; }

/* ---- code diff: added reads accent, removed reads faint and fades out ---- */
@keyframes diff-l2 { 0%, 25% { transform: translateY(0); } 35%, 100% { transform: translateY(16px); } }
@keyframes diff-l3 {
  0%, 10% { stroke: var(--faint); transform: translateY(0); opacity: 1; }
  15%, 25% { stroke: var(--faint); transform: translateY(0); opacity: 1; }
  35%, 65% { stroke: var(--faint); transform: translateY(16px); opacity: 1; }
  70%, 100% { stroke: var(--faint); transform: translateY(16px); opacity: 0; }
}
@keyframes diff-minus { 0%, 10% { opacity: 0; } 15%, 65% { opacity: 1; } 70%, 100% { opacity: 0; } }
@keyframes diff-lnew {
  0%, 25% { stroke: var(--c1); opacity: 0; }
  35%, 65% { stroke: var(--c1); opacity: 1; }
  70%, 100% { stroke: var(--faint); opacity: 1; }
}
@keyframes diff-plus { 0%, 25% { opacity: 0; } 35%, 65% { opacity: 1; } 70%, 100% { opacity: 0; } }
[data-anim="diff-l2"] { animation: diff-l2 var(--dur) var(--ease) infinite; }
[data-anim="diff-l3"] { animation: diff-l3 var(--dur) var(--ease) infinite; }
[data-anim="diff-minus"] { animation: diff-minus var(--dur) var(--ease) infinite; stroke: var(--c1); }
[data-anim="diff-lnew"] { animation: diff-lnew var(--dur) var(--ease) infinite; }
[data-anim="diff-plus"] { animation: diff-plus var(--dur) var(--ease) infinite; stroke: var(--c1); }

/* ---- favicon ---- */
@keyframes favicon-drop { 0%, 15% { opacity: 0; transform: translateY(-6px); } 35%, 75% { opacity: 1; transform: translateY(0); } 95%, 100% { opacity: 0; transform: translateY(6px); } }
[data-anim="favicon-drop"] { animation: favicon-drop var(--dur) var(--ease) infinite; }

/* ---- importmap ---- */
@keyframes map-path-1 { 0%, 5% { stroke-dashoffset: 80; opacity: 0; } 10%, 28% { stroke-dashoffset: 0; opacity: 1; } 33%, 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes map-path-2 { 0%, 33% { stroke-dashoffset: 80; opacity: 0; } 38%, 61% { stroke-dashoffset: 0; opacity: 1; } 66%, 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes map-path-3 { 0%, 66% { stroke-dashoffset: 80; opacity: 0; } 71%, 94% { stroke-dashoffset: 0; opacity: 1; } 98%, 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes map-source-A { 0%, 62% { opacity: 1; stroke: var(--ink); } 66%, 100% { opacity: 0; stroke: var(--faint); } }
@keyframes map-source-B { 0%, 62% { opacity: 0; stroke: var(--faint); } 66%, 100% { opacity: 1; stroke: var(--ink); } }
@keyframes map-target-Y { 0%, 28% { opacity: 1; stroke: var(--c1); } 33%, 100% { opacity: 0; stroke: var(--faint); } }
@keyframes map-target-Z { 0%, 28% { opacity: 0; } 33%, 95% { opacity: 1; stroke: var(--c1); } 98%, 100% { opacity: 0; } }
[data-anim^="map-path"] { stroke-dasharray: 80; }
[data-anim="map-path-1"] { animation: map-path-1 var(--dur) var(--ease) infinite; }
[data-anim="map-path-2"] { animation: map-path-2 var(--dur) var(--ease) infinite; }
[data-anim="map-path-3"] { animation: map-path-3 var(--dur) var(--ease) infinite; }
[data-anim="map-source-A"] { animation: map-source-A var(--dur) var(--ease) infinite; opacity: 1; }
[data-anim="map-source-B"] { animation: map-source-B var(--dur) var(--ease) infinite; opacity: 0; }
[data-anim="map-target-Y"] { animation: map-target-Y var(--dur) var(--ease) infinite; opacity: 0; }
[data-anim="map-target-Z"] { animation: map-target-Z var(--dur) var(--ease) infinite; opacity: 0; }

/* ---- scale ---- */
@keyframes sw1 { 0%, 5% { stroke-dashoffset: 16; } 15%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 16; } }
@keyframes sw2 { 0%, 10% { stroke-dashoffset: 12; } 20%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 12; } }
@keyframes sw3 { 0%, 15% { stroke-dashoffset: 8; } 25%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 8; } }
@keyframes sw4 { 0%, 20% { stroke-dashoffset: 4; } 30%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 4; } }
@keyframes sp1 { 0%, 35% { stroke-dashoffset: 64; } 50%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 64; } }
@keyframes sp2 { 0%, 40% { stroke-dashoffset: 32; } 55%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 32; } }
@keyframes sp3 { 0%, 45% { stroke-dashoffset: 16; } 60%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 16; } }
@keyframes sp4 { 0%, 50% { stroke-dashoffset: 8; }  65%, 85% { stroke-dashoffset: 0; } 90%, 100% { stroke-dashoffset: 8; } }
[data-anim="sw1"] { animation: sw1 var(--dur) var(--ease) infinite; stroke-dasharray: 16; }
[data-anim="sw2"] { animation: sw2 var(--dur) var(--ease) infinite; stroke-dasharray: 12; }
[data-anim="sw3"] { animation: sw3 var(--dur) var(--ease) infinite; stroke-dasharray: 8; }
[data-anim="sw4"] { animation: sw4 var(--dur) var(--ease) infinite; stroke-dasharray: 4; }
[data-anim="sp1"] { animation: sp1 var(--dur) var(--ease) infinite; stroke-dasharray: 64; }
[data-anim="sp2"] { animation: sp2 var(--dur) var(--ease) infinite; stroke-dasharray: 32; }
[data-anim="sp3"] { animation: sp3 var(--dur) var(--ease) infinite; stroke-dasharray: 16; }
[data-anim="sp4"] { animation: sp4 var(--dur) var(--ease) infinite; stroke-dasharray: 8; }

/* ---- bezier: the curve morphs, each handle lights up as it takes over ---- */
@keyframes bezier-morph {
  0%, 10% { d: path("M 24 88 C 24 53, 53 24, 88 24"); }
  25%, 40% { d: path("M 24 88 C 62 88, 53 24, 88 24"); }
  55%, 70% { d: path("M 24 88 C 62 88, 88 62, 88 24"); }
  85%, 90% { d: path("M 24 88 C 24 53, 88 62, 88 24"); }
  100% { d: path("M 24 88 C 24 53, 53 24, 88 24"); }
}
@keyframes bezier-h1 {
  0%, 10% { d: path("M 24 88 L 24 53"); }
  25%, 70% { d: path("M 24 88 L 62 88"); }
  85%, 100% { d: path("M 24 88 L 24 53"); }
}
@keyframes bezier-h2 {
  0%, 40% { d: path("M 88 24 L 53 24"); }
  55%, 90% { d: path("M 88 24 L 88 62"); }
  100% { d: path("M 88 24 L 53 24"); }
}
@keyframes bezier-c1 { 0%, 10% { transform: translate(0, 0); } 25%, 70% { transform: translate(38px, 35px); } 85%, 100% { transform: translate(0, 0); } }
@keyframes bezier-c2 { 0%, 40% { transform: translate(0, 0); } 55%, 90% { transform: translate(35px, 38px); } 100% { transform: translate(0, 0); } }
@keyframes bz-c1 {
  0%, 9% { stroke: var(--faint); fill: var(--bg); }
  10%, 25% { stroke: var(--c1); fill: var(--c1); }
  26%, 74% { stroke: var(--faint); fill: var(--bg); }
  75%, 85% { stroke: var(--c1); fill: var(--c1); }
  86%, 100% { stroke: var(--faint); fill: var(--bg); }
}
@keyframes bz-c2 {
  0%, 39% { stroke: var(--faint); fill: var(--bg); }
  40%, 55% { stroke: var(--c1); fill: var(--c1); }
  56%, 89% { stroke: var(--faint); fill: var(--bg); }
  90%, 100% { stroke: var(--c1); fill: var(--c1); }
}
[data-anim="bezier-morph"] { animation: bezier-morph var(--dur) var(--ease) infinite; }
[data-anim="bezier-h1"] { animation: bezier-h1 var(--dur) var(--ease) infinite; }
[data-anim="bezier-h2"] { animation: bezier-h2 var(--dur) var(--ease) infinite; }
[data-anim="bezier-c1"] { animation: bezier-c1 var(--dur) var(--ease) infinite; }
[data-anim="bezier-c2"] { animation: bezier-c2 var(--dur) var(--ease) infinite; }
[data-anim="bz-c1"] { animation: bz-c1 var(--dur) var(--ease) infinite; }
[data-anim="bz-c2"] { animation: bz-c2 var(--dur) var(--ease) infinite; }
/* ---- font: the metric lines a font file declares, drawn under a glyph ---- */
@keyframes ft-cap  { 0%, 10% { stroke-dashoffset: 100; } 26%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
@keyframes ft-x    { 0%, 26% { stroke-dashoffset: 100; } 42%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
@keyframes ft-base { 0%, 42% { stroke-dashoffset: 100; } 58%, 88% { stroke-dashoffset: 0; } 96%, 100% { stroke-dashoffset: 100; } }
[data-anim="ft-cap"]  { animation: ft-cap var(--dur) var(--ease) infinite; }
[data-anim="ft-x"]    { animation: ft-x var(--dur) var(--ease) infinite; }
[data-anim="ft-base"] { animation: ft-base var(--dur) var(--ease) infinite; }

/* these three have already undone themselves by 80% */
[data-pkg="code-diff"], [data-pkg="favicon"] { --settled: -3s; }
[data-pkg="bezier"] { --settled: -3.9s; }

/* a negative delay renders a paused animation mid-cycle, not at frame zero */
.card-icon [data-anim] { animation-delay: var(--settled); animation-play-state: paused; }
.card:hover .card-icon [data-anim] { animation-play-state: running; }

/* ============================================================ index page */

.masthead {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-5);
    margin-block: var(--space-8) calc(var(--space-8) * 2);
}

.masthead h1 { margin: 0 0 var(--space-8); }
.lockup { block-size: 7rem; inline-size: calc(7rem * 346 / 121); }

.lead {
    color: var(--text-muted);
    font-size: var(--text-lg);
    line-height: 1.7;
    max-inline-size: 52ch;
    text-wrap: balance;
    margin: 0;
}

.family { margin-block-end: calc(var(--space-8) * 1.5); }

.family-name {
    position: relative;
    font-size: var(--text-sm);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-muted);
    margin-block: calc(var(--space-8) * 2) var(--space-8);
    padding-inline-start: calc(var(--accent-line-heading-width) + var(--space-3));
}

.family-name::before {
    content: "";
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 0;
    inline-size: var(--accent-line-heading-width);
    block-size: var(--accent-line-height);
    border-radius: var(--accent-line-radius);
    background: var(--brand);
    translate: 0 -50%;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

@media (max-width: 60rem) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 38rem) { .grid { grid-template-columns: 1fr; } }

/* no border, no box: the card is its illustration and its spacing */
.card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.9rem;
    padding: 2.5rem 1rem;
    text-decoration: none;
    transition: box-shadow 300ms ease-in-out;
}

/* scale is its own property, so it composes with the icon's translate */
.card .card-icon,
.card h3 { transition: scale 300ms ease-in-out; }
.card:hover .card-icon { scale: 1.06; }
.card:hover h3 { scale: 1.03; }

.card:hover {
    box-shadow: 0 0 1px 0px #f000, 0 0 5px 5px #0008;
}

.card-bg {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    translate: -50% calc(-50% - 1rem);
    z-index: -1;
    inline-size: 7rem;
    block-size: 7rem;
    scale: 2.6;
    opacity: 0.045;
    color: var(--brand);
    pointer-events: none;
    filter: blur(0);
    transition: opacity 350ms ease, scale 350ms ease, filter 350ms ease;
}

/* the watermark pulls back so the animating mark owns the card */
.card:hover .card-bg {
    scale: 3;
    opacity: 0.028;
    filter: blur(0.375rem);
}

.card-icon {
    inline-size: 7rem;
    block-size: 7rem;
    overflow: visible;
    margin-block-end: 0.4rem;
    translate: 0 0.5rem;
}

.card h3 {
    font-size: var(--text-lg);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text);
    margin: 0;
}

.card .desc {
    display: -webkit-box;
    min-block-size: 3.2em;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-muted);
    max-inline-size: 34ch;
    text-wrap: balance;
    margin: 0;
}

.card .req {
    margin-block-start: auto;
    padding-block-start: 0.6rem;
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
    color: var(--text-muted);
    transition: color 0.25s ease;
}

.card .req .pkg { color: var(--brand); white-space: nowrap; }
.card:hover .req { color: var(--text); }
.card:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }

/* ========================================================== package page */

/* The docked state of ALTO Package B, read off its own numbers at progress 1:
   title 88 - 26.4 = 61.6px, gaps 28 - 22 = 6px, bar 4 by 44. */
.pkg-head {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 46rem;
    padding-inline: 0;
    padding-block: var(--space-8) calc(var(--space-8) * 2);
    margin-block-end: var(--space-8);
    border-block-end: 1px solid var(--border);
}

.pkg-hero {
    position: relative;
    inline-size: 100%;
    padding-block-start: 5rem;
}

.pkg-title {
    position: relative;
    z-index: 1;
    min-inline-size: 0;
}

.pkg-bar {
    display: block;
    inline-size: var(--accent-line-title-width);
    block-size: var(--accent-line-height);
    border-radius: var(--accent-line-radius);
    background: var(--brand);
    margin-block-end: var(--space-5);
}

.pkg-name {
    font-size: clamp(2.75rem, 5vw, 4rem);
    line-height: 0.94;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    font-weight: 400;
    color: var(--paper);
    text-wrap: balance;
    margin: 0;
}

.pkg-name a { color: inherit; text-decoration: none; }
.pkg-name a:hover { color: var(--brand); }

.pkg-tagline {
    inline-size: 60%;
    font-size: 1.2rem;
    line-height: 1.65;
    letter-spacing: 0.04em;
    color: rgb(247 245 240 / 0.75);
    text-wrap: balance;
    margin: var(--space-7) 0 0;
}

.pkg-visual {
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 50%;
    display: grid;
    place-items: center;
    inline-size: 6.4rem;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
}

.pkg-bg {
    position: absolute;
    inset: 50% auto auto 50%;
    translate: -50% -50%;
    z-index: -1;
    inline-size: 6.4rem;
    block-size: 6.4rem;
    scale: 2.6;
    opacity: 0.05;
    color: var(--brand);
    pointer-events: none;
}

.pkg-head .icon {
    inline-size: clamp(4.8rem, 9.6vw, 7.2rem);
    block-size: clamp(4.8rem, 9.6vw, 7.2rem);
    overflow: visible;
}

@property --angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }

.composer {
    display: inline-block;
    margin-block-start: calc(var(--space-6) * 2);
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.01em;
    color: var(--text-muted);
    cursor: pointer;
    padding: 1rem 1.75rem;
    border-radius: 999px;
    border: 0.125rem solid transparent;
    background: linear-gradient(var(--bg), var(--bg)) padding-box,
                conic-gradient(from var(--angle), var(--brand), var(--brand-soft), var(--brand)) border-box;
    animation: spin-border 8s linear infinite;
    transition: color 0.2s ease;
}

.composer:hover { color: var(--text); }
.composer .p { color: var(--brand); white-space: nowrap; }
.composer.ok { color: var(--brand); }
@keyframes spin-border { to { --angle: 360deg; } }

@media (max-width: 50rem) {
    article h2::before {
        inset-inline-end: auto;
        inset-inline-start: -1.25rem;
    }
}

@media (max-width: 51rem) {
    .pkg-visual {
        inline-size: 5.6rem;
    }

    .pkg-name {
        font-size: clamp(2.25rem, 10vw, 2.875rem);
        line-height: 0.96;
    }

    .pkg-tagline {
        inline-size: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    :is(footer, article) a,
    :is(footer, article) a::after,
    .footer-brand span { transition: none; }
    .composer { animation: none; }
    .icon [data-anim] { animation-delay: var(--settled); animation-play-state: paused; }
    .card:hover .card-icon [data-anim] { animation-play-state: paused; }
}
}

.alto-highlight {
    padding: 1rem 1.5rem;
    border-radius: 0.65rem;
    overflow-x: auto;
    margin-inline: -1.5rem;
}

@media (max-width: 46rem) {
    .alto-highlight {
        margin-inline: max(-1.5rem, calc((100vi - 100%) / -2));
    }
}