/* uautsapp — public site
   Tokens first. Bare :root is the light theme; the dark theme is applied when
   the system asks for it (unless the page was explicitly set to light) and
   when the page is explicitly set to dark. */

:root {
  --ground: #f4f6fa;
  --paper: #ffffff;
  --ink: #14182b;
  --muted: #6b7185;
  --accent: #e85d2c;
  --accent-ink: #ffffff;
  --orbit: #2b4c9b;
  --line: #d9dde8;
  --line-strong: #14182b;
  --code-bg: #e9ecf3;
  --star: #14182b;
  --shadow: #d9dde8;
  --font-display: "Bricolage Grotesque", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0d1020;
    --paper: #151a2e;
    --ink: #e8ebf5;
    --muted: #9ba3bb;
    --accent: #ff7a48;
    --accent-ink: #14182b;
    --orbit: #8fb0ff;
    --line: #262c47;
    --line-strong: #e8ebf5;
    --code-bg: #1c2238;
    --star: #e8ebf5;
    --shadow: #080a16;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0d1020;
  --paper: #151a2e;
  --ink: #e8ebf5;
  --muted: #9ba3bb;
  --accent: #ff7a48;
  --accent-ink: #14182b;
  --orbit: #8fb0ff;
  --line: #262c47;
  --line-strong: #e8ebf5;
  --code-bg: #1c2238;
  --star: #e8ebf5;
  --shadow: #080a16;
  color-scheme: dark;
}

/* ---- base ------------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 40rem) { body { font-size: 1.0625rem; } }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.06;
  margin: 0 0 0.6em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 1.4rem + 3.8vw, 4.1rem); }
h2 { font-size: clamp(1.6rem, 1.15rem + 1.6vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--orbit); text-decoration-thickness: 1px; text-underline-offset: 0.16em; }
a:hover { color: var(--accent); }
code, pre, .mono { font-family: var(--font-mono); font-size: 0.92em; }
code { background: var(--code-bg); padding: 0.08em 0.35em; border-radius: 3px; }
pre { background: var(--code-bg); padding: 1rem 1.1rem; border-radius: 4px; overflow-x: auto; line-height: 1.5; margin: 1rem 0 1.25rem; }
pre code { background: none; padding: 0; font-size: 0.85rem; }
strong { font-weight: 600; }
figure { margin: 0; }
img, svg { max-width: 100%; height: auto; }
ul, ol { padding-left: 1.25rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(100% - 2rem, 72rem); margin-inline: auto; }
@media (min-width: 40rem) { .wrap { width: min(100% - 4rem, 72rem); } }

.lead { font-size: 1.15rem; line-height: 1.5; max-width: 36em; color: var(--ink); }
@media (min-width: 40rem) { .lead { font-size: 1.25rem; } }
.muted { color: var(--muted); }
.caption, figcaption { color: var(--muted); font-size: 0.9rem; max-width: 40em; margin-top: 1rem; }
.fine { color: var(--muted); font-size: 0.8rem; line-height: 1.5; max-width: 60em; }
.note { color: var(--muted); font-size: 0.95rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orbit);
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before { content: ""; width: 1.5rem; height: 1px; background: currentColor; flex: none; }
.eyebrow.accent { color: var(--accent); }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  background: var(--accent); color: var(--accent-ink); padding: 0.6rem 1rem; border-radius: 4px; font-weight: 600;
}
.skip:focus { top: 1rem; }

/* ---- buttons --------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600; font-size: 0.98rem; line-height: 1.2;
  border-radius: 6px; text-decoration: none; border: 1.5px solid var(--accent);
  white-space: nowrap;
}
.btn:hover { color: var(--accent-ink); filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { color: var(--accent); border-color: var(--accent); filter: none; }
.cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.75rem 0 1.5rem; }
.more { font-weight: 500; }
.more::after { content: " →"; }

/* ---- header ---------------------------------------------------------- */

.top { border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.bar { display: flex; align-items: center; gap: 1.25rem; min-height: 4rem; }
.brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand .mark { flex: none; }
.primary { display: none; gap: 1.5rem; margin-left: 0.5rem; }
.primary a { color: var(--ink); text-decoration: none; font-size: 0.95rem; padding: 0.25rem 0; }
.primary a:hover { color: var(--accent); }
.primary a[aria-current] { box-shadow: 0 2px 0 var(--accent); }
.actions { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.actions .signin { display: none; color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.actions .signin:hover { color: var(--accent); }
.actions .langs { display: none; }
.langs { display: flex; align-items: center; gap: 0.15rem; }
.langs span { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-right: 0.5rem; }
.langs a {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding: 0.3rem 0.45rem; border-radius: 3px;
}
.langs a:hover { color: var(--accent); }
.langs a[aria-current] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 0.35em; }

.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 6px; border: 1.5px solid var(--line); color: var(--ink); }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { border-color: var(--ink); }
.menu .sheet {
  position: absolute; right: 0; top: calc(100% + 0.6rem); width: min(20rem, calc(100vw - 2rem));
  display: flex; flex-direction: column;
  background: var(--paper); border: 1.5px solid var(--line-strong); border-radius: 6px;
  padding: 0.5rem; box-shadow: 6px 6px 0 var(--shadow);
}
.menu .sheet > a { color: var(--ink); text-decoration: none; padding: 0.7rem 0.75rem; border-radius: 4px; font-weight: 500; }
.menu .sheet > a:hover { background: var(--ground); color: var(--accent); }
.menu .sheet .langs { padding: 0.5rem 0.5rem 0.25rem; border-top: 1px solid var(--line); margin-top: 0.25rem; }

@media (min-width: 56rem) {
  .primary { display: flex; }
  .actions .signin, .actions .langs { display: flex; }
  .menu { display: none; }
}

/* ---- hero and page heads --------------------------------------------- */

.hero, .page-head { position: relative; overflow: hidden; padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem); }
.page-head { border-bottom: 1px solid var(--line); }
.stars { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--star); opacity: 0.35; pointer-events: none; }
.hero .wrap, .page-head .wrap { position: relative; }
.hero-grid { display: grid; gap: 2.5rem; align-items: center; }
.hero-text h1 { max-width: 12em; }
.hero-art { width: 100%; max-width: 36rem; justify-self: center; }
.hero-art figcaption { margin-top: 0.75rem; }
@media (min-width: 56rem) {
  .hero-grid { grid-template-columns: minmax(0, 11fr) minmax(0, 10fr); gap: 3rem; }
  .hero-art { justify-self: end; }
}
.facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.facts li { display: flex; align-items: center; gap: 0.5rem; }
.facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orbit); flex: none; }

/* the orbit system */
.orbit { width: 100%; height: auto; display: block; color: var(--ink); }
.orbit .label { font-family: var(--font-mono); font-size: 12.5px; fill: var(--ink); stroke: var(--ground); stroke-width: 4px; paint-order: stroke; letter-spacing: 0.01em; }
.orbit .planet .label { font-size: 13px; fill: var(--muted); }
.orbit .station .label { fill: var(--muted); }
.orbit .send .label { fill: var(--accent); }
.orbit .sats { transform-origin: 300px 270px; animation: orbit 96s linear infinite; }
.orbit .sat { transform-origin: 0 0; animation: orbit 96s linear infinite reverse; }
@keyframes orbit { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .orbit .sats, .orbit .sat { animation: none; } }

/* ---- sections -------------------------------------------------------- */

.section { padding-block: clamp(3rem, 6vw, 5.5rem); border-top: 1px solid var(--line); }
.hero + .section { border-top: 0; }
.section-head { max-width: 40rem; margin-bottom: 2.5rem; }
.section-head h2 { max-width: 16em; }
.split { display: grid; gap: 1rem 3rem; align-items: start; }
.split > h2 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.8rem); margin: 0; }
@media (min-width: 56rem) {
  .split { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); }
  .split > .section-head { margin-bottom: 0; position: sticky; top: 2rem; }
}
.details .split, .legal .split { padding-block: 2rem; border-top: 1px solid var(--line); }
.details .split:first-child, .legal .split:first-child { border-top: 0; padding-top: 0; }
.prose { max-width: 42rem; }
.prose p { max-width: 38em; }
.prose h2 { font-size: 1.5rem; margin-top: 2.5rem; }
.prose h2:first-child { margin-top: 0; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { padding: 0.6rem 0; border-top: 1px solid var(--line); max-width: 38em; }
.plain li:first-child { border-top: 0; padding-top: 0; }
.tradeoff { margin-top: 1.5rem; padding-left: 1rem; border-left: 3px solid var(--accent); max-width: 38em; }

/* the panel drawing */
.sketch {
  background: var(--paper); color: var(--ink);
  border: 1.5px solid var(--line-strong);
  border-radius: 255px 14px 225px 14px / 14px 225px 14px 255px;
  box-shadow: 8px 8px 0 var(--shadow);
  overflow: hidden;
  font-size: 0.85rem;
}
.sketch-bar { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1.25rem; border-bottom: 1px solid var(--line); }
.sketch .dots { display: inline-flex; gap: 0.35rem; }
.sketch .dots i { width: 10px; height: 10px; border: 1.4px solid var(--ink); border-radius: 60% 40% 55% 45% / 45% 55% 45% 55%; }
.sketch-brand { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; font-size: 1rem; }
.sketch-brand .mark { width: 20px; height: 20px; }
.sketch .chip { margin-left: auto; display: inline-flex; align-items: center; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem 0.7rem; white-space: nowrap; }
.sketch .chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.sketch-tabs { display: flex; gap: 0.25rem; padding: 0.6rem 1rem 0; border-bottom: 1px solid var(--line); overflow: hidden; white-space: nowrap; }
.sketch-tabs span { padding: 0.45rem 0.6rem; color: var(--muted); }
.sketch-tabs span:last-child { color: var(--ink); font-weight: 500; box-shadow: 0 2px 0 var(--accent); }
.sketch-body { display: grid; }
.sketch h3 { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.75rem; }
.sketch-chats { display: none; padding: 1.25rem; border-right: 1px solid var(--line); }
.sketch-chats ul { list-style: none; margin: 0; padding: 0; }
.sketch-chats li { display: grid; grid-template-columns: 30px 1fr auto; grid-template-rows: auto auto; column-gap: 0.75rem; align-items: center; padding: 0.55rem 0; border-top: 1px solid var(--line); }
.sketch-chats li:first-child { border-top: 0; }
.sketch-chats svg:not(.scribble) { grid-row: 1 / 3; }
.sketch-chats .who { font-weight: 500; }
.sketch-chats .when { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.sketch-chats .scribble { grid-column: 2 / 4; width: 70%; height: 8px; color: var(--muted); }
.sketch-log { padding: 1.25rem; }
.sketch-log ol { list-style: none; margin: 0; padding: 0; font-family: var(--font-mono); font-size: 0.78rem; }
.sketch-log li { display: grid; grid-template-columns: 5.2rem 1fr; gap: 0.1rem 0.75rem; padding: 0.5rem 0; border-top: 1px solid var(--line); }
.sketch-log li:first-child { border-top: 0; }
.sketch-log .when { color: var(--muted); }
.sketch-log .what { color: var(--orbit); }
.sketch-log .detail { grid-column: 2; color: var(--muted); }
.sketch-log .send .what { color: var(--accent); }
@media (min-width: 48rem) {
  .sketch-body { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
  .sketch-chats { display: block; }
  .sketch-log li { grid-template-columns: 5.5rem 10rem 1fr; }
  .sketch-log .detail { grid-column: auto; }
}

/* tools */
.tools { display: grid; gap: 2.5rem; }
.tools h3 { margin-bottom: 0.75rem; }
.tool-list { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0 1.25rem; margin: 0; border-top: 1px solid var(--line); }
.tool-list dt, .tool-list dd { margin: 0; padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
.tool-list dt code { background: none; padding: 0; color: var(--orbit); font-size: 0.86rem; }
.tool-list.write dt code { color: var(--accent); }
.tool-list dd { color: var(--muted); font-size: 0.95rem; }
@media (max-width: 30rem) {
  .tool-list { grid-template-columns: 1fr; }
  .tool-list dt { border-bottom: 0; padding-bottom: 0.1rem; }
}

/* steps, compact (home) */
.steps { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: 2rem; counter-reset: step; }
.steps li { border-top: 1px solid var(--line); padding-top: 1.5rem; }
.steps .step-art { max-width: 13rem; margin-bottom: 1rem; }
.steps h3::before, .big-step h2::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; color: var(--accent); display: block; margin-bottom: 0.5rem; }
.steps p { color: var(--muted); max-width: 30em; }
@media (min-width: 48rem) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; } }
.drawing { width: 100%; height: auto; display: block; color: var(--ink); }

/* steps, large (how it works) */
.big-steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.big-step { display: grid; gap: 1.5rem 3rem; padding-block: 2.5rem; border-top: 1px solid var(--line); align-items: start; }
.big-step:first-child { border-top: 0; padding-top: 0; }
.big-step .step-art { max-width: 16rem; }
.big-step .step-text { max-width: 40rem; }
.big-step h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
@media (min-width: 48rem) { .big-step { grid-template-columns: 16rem minmax(0, 1fr); } }

/* the honesty block */
.notice { border: 1.5px solid var(--accent); border-radius: 4px; padding: clamp(1.25rem, 3vw, 2.25rem); max-width: 46rem; background: var(--paper); }
.notice.wide { max-width: none; }
.notice h2 { max-width: 20em; }
.notice p { max-width: 38em; }
.notice .prose p { max-width: 42em; }

/* closing band */
.closing { background: var(--paper); border-top: 1px solid var(--line); padding-block: clamp(2.5rem, 5vw, 4rem); }
.closing-grid { display: grid; gap: 1.5rem; align-items: center; }
.closing h2 { max-width: 16em; }
.closing p { max-width: 36em; color: var(--muted); }
.closing .cta { margin: 0; }
@media (min-width: 56rem) { .closing-grid { grid-template-columns: minmax(0, 1fr) auto; gap: 3rem; } }

/* ---- security -------------------------------------------------------- */

.shield-art { max-width: 20rem; }
.shield { width: 100%; height: auto; display: block; color: var(--ink); }
.layers { display: grid; margin: 0; border-top: 1px solid var(--line); }
.layers dt { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; padding: 1rem 0 0.25rem; }
.layers dd { margin: 0; padding: 0 0 1rem; color: var(--muted); border-bottom: 1px solid var(--line); max-width: 38em; }
@media (min-width: 40rem) {
  .layers { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); column-gap: 2rem; }
  .layers dt { padding: 1rem 0; border-bottom: 1px solid var(--line); }
  .layers dd { padding: 1rem 0; }
}

/* ---- pricing --------------------------------------------------------- */

.pricing-grid { display: grid; gap: 2.5rem; align-items: start; }
.pricing-text h2 { font-size: 1.5rem; margin-top: 1.5rem; }
.pricing-text h2:first-child { margin-top: 0; }
.pricing-text p { max-width: 36em; }
.plan { border: 1.5px solid var(--line-strong); background: var(--paper); padding: clamp(1.5rem, 3vw, 2.25rem); box-shadow: 8px 8px 0 var(--shadow); }
.plan h2 { font-size: 2rem; margin-bottom: 0.25rem; }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; margin: 0 0 1.25rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); }
.price .amount { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; letter-spacing: -0.01em; }
.price .per { color: var(--muted); font-size: 0.95rem; }
.features { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.features li { display: flex; gap: 0.7rem; padding: 0.45rem 0; }
.features li::before { content: ""; flex: none; width: 8px; height: 8px; margin-top: 0.55em; border-radius: 50%; border: 1.5px solid var(--accent); }
.plan .btn { width: 100%; }
.plan .fine { margin-top: 1rem; }
@media (min-width: 56rem) { .pricing-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 4rem; } }

/* ---- faq ------------------------------------------------------------- */

.faq { max-width: 46rem; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1.5rem; align-items: baseline;
  font-family: var(--font-display); font-weight: 500; font-size: 1.2rem; line-height: 1.25; padding: 1rem 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); flex: none; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0 0 1.25rem; max-width: 40em; color: var(--ink); }

/* ---- docs ------------------------------------------------------------ */

.docs-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; align-items: start; }
.docs-grid > * { min-width: 0; }
.toc { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; font-size: 0.9rem; }
.toc a { color: var(--muted); text-decoration: none; padding: 0.25rem 0; }
.toc a:hover { color: var(--accent); }
@media (min-width: 56rem) {
  .docs-grid { grid-template-columns: 14rem minmax(0, 1fr); gap: 4rem; }
  .toc { position: sticky; top: 2rem; flex-direction: column; gap: 0.2rem; border-left: 1px solid var(--line); padding-left: 1rem; }
}
.numbered { list-style: none; padding: 0; margin: 0 0 1.5rem; counter-reset: n; }
.numbered li { position: relative; padding: 0.7rem 0 0.7rem 2.6rem; border-top: 1px solid var(--line); max-width: 40em; }
.numbered li::before { counter-increment: n; content: "0" counter(n); position: absolute; left: 0; top: 0.85rem; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; color: var(--accent); letter-spacing: 0.08em; }
.numbered li:first-child { border-top: 0; }
.prompts { list-style: none; padding: 0; margin: 0; }
.prompts li { font-family: var(--font-mono); font-size: 0.9rem; padding: 0.6rem 0.9rem; border: 1px solid var(--line); border-radius: 4px; margin-bottom: 0.5rem; max-width: 40em; background: var(--paper); }

/* ---- footer ---------------------------------------------------------- */

.foot { border-top: 1px solid var(--line); padding-block: 3rem 2rem; font-size: 0.92rem; }
.foot .grid { display: grid; gap: 2rem; grid-template-columns: 1fr 1fr; }
.foot .about { grid-column: 1 / -1; max-width: 30em; }
.foot .about p { color: var(--muted); margin-top: 0.75rem; }
.foot h2 { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.75rem; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { padding: 0.2rem 0; }
.foot li a { color: var(--ink); text-decoration: none; }
.foot li a:hover { color: var(--accent); }
.foot .base { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.prefs { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; align-items: center; margin-bottom: 1.25rem; }
.prefs .langs a { text-transform: none; letter-spacing: 0; font-size: 0.82rem; }
.theme { display: none; align-items: center; gap: 0.15rem; }
.js .theme { display: flex; }
.theme span { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-right: 0.5rem; }
.theme button { font: inherit; font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted); background: none; border: 1px solid transparent; border-radius: 3px; padding: 0.3rem 0.5rem; cursor: pointer; }
.theme button:hover { color: var(--accent); }
.theme button[aria-pressed="true"] { color: var(--ink); border-color: var(--line-strong); }
@media (min-width: 56rem) {
  .foot .grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .foot .about { grid-column: auto; }
}

/* ---- the root language chooser --------------------------------------- */

.root-main { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-block: 3rem; }
.root .brand.big { font-size: 1.6rem; }
.root .brand.big .mark { width: 34px; height: 34px; }
.root-line { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; font-size: clamp(1.6rem, 1rem + 2.5vw, 2.6rem); line-height: 1.1; max-width: 16em; margin: 1.5rem 0 2.5rem; }
.root h1.eyebrow { font-size: 0.74rem; margin-bottom: 0.5rem; }
.root-langs { list-style: none; padding: 0; margin: 0 0 1.5rem; max-width: 40rem; border-top: 1px solid var(--line); }
.root-langs a { display: grid; grid-template-columns: 3rem 1fr; gap: 0 1rem; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.root-langs a:hover .name { color: var(--accent); }
.root-langs .code { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--orbit); }
.root-langs .name { font-family: var(--font-display); font-weight: 500; font-size: 1.4rem; }
.root-langs .line { grid-column: 2; color: var(--muted); font-size: 0.95rem; }
.root .stars { opacity: 0.3; }