:root {
  --bg: #121815;
  --panel: #18211B;
  --raised: #1E2A22;
  --line: #2A382F;
  --line-soft: #222E26;
  --grass: #84A66A;
  --wood: #9A7252;
  --wood-line: rgba(154, 114, 82, 0.42);
  --wood-hairline: rgba(154, 114, 82, 0.08);
  --sky: #78A9C4;
  --text: #F1F3EE;
  --muted: #9AA7A0;
  --dim: #6B7C72;
  --alert: #E8B339;
  --hairline: rgba(168, 199, 180, 0.05);
  --hairline-soft: rgba(168, 199, 180, 0.032);
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", "Fira Code", Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0;
}

p {
  margin: 0;
}

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

a:hover {
  color: var(--grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

code,
pre,
kbd {
  font-family: var(--mono);
}

p code,
li code,
dd code,
td code,
figcaption code {
  font-size: 0.92em;
  color: var(--sky);
}

pre code {
  font-size: inherit;
  color: inherit;
}

kbd {
  font-size: 0.8em;
  color: var(--text);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0.05em 0.35em;
}

::selection {
  background: rgba(132, 166, 106, 0.3);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 100;
  background: var(--grass);
  color: #0C120E;
  font-size: 13px;
  padding: 0.5rem 0.8rem;
  border-radius: 3px;
}

.skip-link:focus {
  top: 8px;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ── surface texture ──────────────────────────────────────────────
   Hairline grids and a fine grain. 1px strokes at low alpha, so the
   pattern reads as structure rather than decoration. Applied to a few
   sections only; the page keeps large flat fields on purpose. */

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}

.grid-fade {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--hairline) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(to bottom, var(--hairline) 0 1px, transparent 1px 56px);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, rgba(0, 0, 0, 0.35) 45%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, rgba(0, 0, 0, 0.35) 45%, transparent 78%);
}

.grid-fade--left {
  background-image:
    repeating-linear-gradient(to right, var(--hairline-soft) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(to bottom, var(--hairline-soft) 0 1px, transparent 1px 48px);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 22%, #000 62%, transparent 96%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 22%, #000 62%, transparent 96%);
}

.grid-fade--center {
  background-image:
    repeating-linear-gradient(to right, var(--hairline-soft) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, var(--hairline-soft) 0 1px, transparent 1px 64px);
  -webkit-mask-image: radial-gradient(75% 65% at 50% 50%, #000 0%, transparent 72%);
  mask-image: radial-gradient(75% 65% at 50% 50%, #000 0%, transparent 72%);
}

.grid-fade--edge {
  background-image:
    repeating-linear-gradient(to bottom, var(--hairline) 0 1px, transparent 1px 44px);
  -webkit-mask-image: linear-gradient(to right, #000 0%, transparent 26%);
  mask-image: linear-gradient(to right, #000 0%, transparent 26%);
}

.scanlines {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--hairline-soft) 0 1px,
    transparent 1px 3px
  );
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 30%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 30%, transparent 100%);
}

/* ── spotlight ──────────────────────────────────────────────────────
   Wood, because the wordmark is wood. This is the one deliberate
   exception to "no colored gradients": a single radial pool per area,
   circular, held down to a low alpha and masked so it never reaches
   copy, with 1px concentric rings over it so it still reads as
   structure instead of a blur. Move the source with --spot-x / --spot-y
   and drop the span before the section's `.wrap`. */

.spot {
  --spot-x: 50%;
  --spot-y: 0%;
  --spot-gap: 44px;
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background-image: radial-gradient(
    circle at var(--spot-x) var(--spot-y),
    rgba(154, 114, 82, 0.18) 0%,
    rgba(154, 114, 82, 0.09) 24%,
    rgba(154, 114, 82, 0.03) 42%,
    transparent 55%
  );
  -webkit-mask-image: radial-gradient(circle at var(--spot-x) var(--spot-y), #000 0%, #000 26%, rgba(0, 0, 0, 0.35) 40%, transparent 50%);
  mask-image: radial-gradient(circle at var(--spot-x) var(--spot-y), #000 0%, #000 26%, rgba(0, 0, 0, 0.35) 40%, transparent 50%);
}

.spot::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-radial-gradient(
    circle at var(--spot-x) var(--spot-y),
    var(--wood-hairline) 0 1px,
    transparent 1px var(--spot-gap)
  );
}

.spot--hero {
  --spot-x: 50%;
  --spot-y: 14%;
  --spot-gap: 46px;
}

.spot--why {
  --spot-x: 32%;
  --spot-y: 8%;
  --spot-gap: 40px;
}

.spot--safety {
  --spot-x: 68%;
  --spot-y: 10%;
  --spot-gap: 42px;
}

.spot--install {
  --spot-x: 38%;
  --spot-y: 12%;
  --spot-gap: 38px;
}

.hero,
.sec {
  position: relative;
}

.hero > .wrap,
.sec > .wrap,
.footer > .wrap {
  position: relative;
  z-index: 1;
}

.term {
  position: relative;
}

.term__body {
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 54px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 15px;
  font-weight: 600;
  flex: none;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark {
  color: var(--grass);
  font-weight: 700;
}

.brand__name {
  color: var(--text);
}

.brand__ver {
  font-size: 11px;
  font-weight: 400;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 0.35rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
}

.nav a {
  font-size: 12.5px;
  color: var(--dim);
  padding: 0.3rem 0.5rem;
  border-radius: 3px;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
  background: var(--raised);
}

.nav__num {
  color: var(--line);
  margin-inline-end: 0.35rem;
}

.nav a:hover .nav__num,
.nav a.is-current .nav__num {
  color: var(--dim);
}

.nav a.is-current {
  color: var(--grass);
}

.nav__ext {
  margin-left: 0.5rem;
  border: 1px solid var(--line);
}

.nav__ext:hover {
  border-color: var(--grass);
  background: none;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  background: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 12px;
  height: 1px;
  background: currentColor;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -4px;
}

.nav-toggle span::after {
  top: 4px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-toggle em {
  font-style: normal;
}

.hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2.5rem, 5vw, 4rem);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.hero__copy {
  min-width: 0;
}

.term__cmd {
  margin: 0 0 0.7rem;
  font-size: 12.5px;
  color: var(--text);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
}

.kicker {
  color: var(--grass);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.ascii {
  margin: 1.25rem 0 0;
  min-width: 0;
  font-size: clamp(0.66rem, 1.75vw, 1rem);
  line-height: 1.05;
  font-weight: 700;
  color: var(--wood);
  letter-spacing: 0.02em;
  overflow-x: auto;
  scrollbar-width: none;
}

.ascii::-webkit-scrollbar {
  display: none;
}

.ascii--sm {
  margin: 0;
  font-size: clamp(0.44rem, 1.1vw, 0.56rem);
}

.ascii--cta {
  font-size: clamp(0.6rem, 1.5vw, 0.85rem);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  margin-top: 1.5rem;
  max-width: 20ch;
}

.lede {
  color: var(--muted);
  max-width: 62ch;
  margin-top: 1rem;
}

.block {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  margin-top: 1.75rem;
  overflow: hidden;
}

.block--wide {
  max-width: 760px;
}

.block--spot {
  border-color: var(--wood-line);
  background-image: radial-gradient(120% 150% at 10% 0%, rgba(154, 114, 82, 0.15), transparent 62%);
}

.block--spot .block__label {
  color: var(--wood);
  border-bottom-color: var(--wood-line);
  background-image: linear-gradient(to right, rgba(154, 114, 82, 0.12), transparent 72%);
}

.block--spot .block__label::before {
  color: var(--wood);
}

.block__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--line-soft);
  padding: 0.4rem 0.75rem;
  background: var(--bg);
}

.block__label::before {
  content: "$ ";
  color: var(--grass);
}

.block__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.75rem;
}

.block__cmd {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.block__foot {
  border-top: 1px solid var(--line-soft);
  padding: 0.6rem 0.75rem;
  font-size: 12.5px;
  color: var(--dim);
}

.copy {
  flex: none;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  background: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
}

.copy:hover {
  color: var(--text);
  border-color: var(--grass);
  text-decoration: none;
}

.copy__done {
  display: none;
  color: var(--grass);
}

.copy.is-done {
  color: var(--grass);
  border-color: var(--grass);
}

.copy.is-done .copy__idle {
  display: none;
}

.copy.is-done .copy__done {
  display: inline;
}

.copy.is-failed {
  color: var(--alert);
  border-color: var(--alert);
}

.hero__meta {
  margin-top: 1.5rem;
  font-size: 12.5px;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.hero__meta span[aria-hidden] {
  color: var(--line);
}

.hero__meta a {
  color: var(--muted);
}

.term {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  overflow: hidden;
}

.term--flat {
  background: var(--panel);
}

.term__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--line-soft);
  padding: 0.35rem 0.7rem;
  background: var(--bg);
}

.term__title {
  font-size: 11.5px;
  color: var(--dim);
}

.term__size {
  font-size: 10.5px;
  color: var(--dim);
  opacity: 0.7;
}

.term__body {
  padding: 0.9rem 1rem 1.1rem;
}

.term__row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  min-height: 20px;
}

.ver {
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 0.4rem;
}

.term__status {
  font-size: 11px;
  color: var(--alert);
  opacity: 0;
}

.term__status.is-shown {
  opacity: 1;
}

.term__logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  background: var(--bg);
  padding: 0.7rem 0.8rem;
  flex-wrap: wrap;
}

.term__sub {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--sky);
}

.term__ok {
  margin-top: 0.6rem;
  font-size: 12px;
  color: var(--grass);
}

.menu {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
}

.menu__item {
  position: relative;
  font-size: 13px;
  color: var(--muted);
  padding: 0.15rem 0.4rem 0.15rem 1.4em;
  border-radius: 2px;
  white-space: nowrap;
}

.menu__item::before {
  content: "›";
  position: absolute;
  left: 0.25em;
  color: var(--grass);
  opacity: 0;
}

.menu__item.is-selected {
  background: var(--wood);
  color: var(--text);
}

.menu__item.is-selected::before {
  opacity: 1;
  color: var(--text);
}

.term__hint {
  margin-top: 0.9rem;
  font-size: 11px;
  color: var(--dim);
}

.caption {
  margin-top: 0.7rem;
  font-size: 11.5px;
  color: var(--dim);
  max-width: 60ch;
}

.caption code {
  color: var(--muted);
}

.sec {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 70px;
}

.sec--rule {
  border-top-color: var(--line);
}

.sec__grid {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
}

.sec__aside {
  position: sticky;
  top: 78px;
  align-self: start;
}

.sec__num {
  font-size: 11px;
  color: var(--wood);
  letter-spacing: 0.1em;
}

.sec__label {
  font-size: 13px;
  color: var(--grass);
  letter-spacing: 0.06em;
  margin-top: 0.15rem;
}

.sec__body {
  min-width: 0;
  max-width: 78ch;
}

.sec__body h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.85rem);
  max-width: 30ch;
}

.defs {
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0 2rem;
}

.def {
  border-top: 1px solid var(--line-soft);
  padding-block: 0.9rem;
}

.def dt {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}

.def dt::before {
  content: "▸ ";
  color: var(--grass);
}

.def dd {
  margin: 0.3rem 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.out--rows {
  display: flex;
  flex-direction: column;
}

.out__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.out__cmd {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.copy--row {
  opacity: 0;
}

.out__row:hover .copy--row,
.copy--row:focus-visible {
  opacity: 1;
}

.session {
  min-width: 0;
}

.prompt {
  color: var(--grass);
}

.arg {
  color: var(--sky);
}

.flag {
  color: var(--wood);
}

.diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 1.1rem;
  margin-top: 2rem;
  background: var(--panel);
}

.diagram__title {
  font-size: 11.5px;
  color: var(--wood);
  margin-bottom: 0.5rem;
}

.diagram__link {
  color: var(--dim);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  padding: 0.3rem 0.5rem;
  align-self: center;
}

.tree,
.out {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  overflow-x: auto;
  scrollbar-width: thin;
}

.guarantees {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.guarantees li {
  font-size: 13.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
  padding: 0.65rem 0 0.65rem 1.4rem;
  position: relative;
}

.guarantees li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--grass);
}

.guarantees b {
  color: var(--text);
  font-weight: 600;
}

.guarantee--spot {
  border-bottom-color: var(--wood-line);
}

.guarantee--spot::before {
  color: var(--wood);
}

.guarantee--spot b {
  color: var(--wood);
}

.figure {
  margin: 2rem 0 0;
}

.figure--spot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--wood-line);
  border-radius: 4px;
  padding: 1rem 1.1rem 1.1rem;
  background-color: var(--panel);
  background-image:
    radial-gradient(90% 120% at 8% -10%, rgba(154, 114, 82, 0.17), transparent 64%),
    linear-gradient(to bottom, rgba(154, 114, 82, 0.05), transparent 70%);
}

.figure--spot > * {
  position: relative;
  z-index: 1;
}

.figure--spot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-radial-gradient(
    ellipse 120% 130% at 12% -20%,
    var(--wood-hairline) 0 1px,
    transparent 1px 28px
  );
  -webkit-mask-image: linear-gradient(to bottom right, #000 0%, transparent 62%);
  mask-image: linear-gradient(to bottom right, #000 0%, transparent 62%);
}

.figure--spot .figure__label {
  color: var(--wood);
}

.figure__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.5rem;
}

.term--fit {
  width: max-content;
  max-width: 100%;
}

.figure__note {
  margin-top: 0.75rem;
  font-size: 12.5px;
  color: var(--dim);
  max-width: 70ch;
}

.figure__note code {
  color: var(--muted);
}

.out {
  color: var(--text);
}

.steps {
  list-style: none;
  counter-reset: s;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.steps li {
  counter-increment: s;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
}

.steps li::before {
  content: counter(s, decimal-leading-zero);
  display: block;
  font-size: 11px;
  color: var(--dim);
  margin-bottom: 0.3rem;
}

.steps b {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 0.2rem;
}

.specs {
  margin: 2rem 0 0;
  border-top: 1px solid var(--line-soft);
}

.spec {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 1rem;
  border-bottom: 1px solid var(--line-soft);
  padding-block: 0.7rem;
}

.spec dt {
  font-size: 12.5px;
  color: var(--wood);
}

.spec dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.note {
  margin-top: 1.5rem;
  font-size: 13px;
  color: var(--dim);
  max-width: 70ch;
}

.faq {
  margin-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.qa {
  border-bottom: 1px solid var(--line-soft);
}

.qa summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--text);
  padding: 0.85rem 0;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary::after {
  content: "+";
  flex: none;
  color: var(--grass);
}

.qa[open] summary::after {
  content: "−";
}

.qa p {
  color: var(--muted);
  font-size: 13.5px;
  padding-bottom: 1rem;
  max-width: 70ch;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.75rem;
  font-size: 13px;
}

.links a {
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
  padding-block: 1.75rem 2.25rem;
  margin-top: 1rem;
}

.footer__line {
  font-size: 12.5px;
  color: var(--text);
}

.footer__line--muted {
  color: var(--dim);
  margin-top: 0.3rem;
}

.footer__line span[aria-hidden] {
  color: var(--line);
  margin-inline: 0.3rem;
}

.footer__line a {
  color: var(--muted);
}

.tui {
  min-width: 0;
}

.tui__screen {
  outline-offset: 2px;
  min-height: 9.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.tui__screen:focus-visible {
  outline: 1px dashed rgba(132, 166, 106, 0.75);
}

.tui.is-focused .tui__screen {
  box-shadow: inset 0 0 0 1px rgba(132, 166, 106, 0.22);
}

.tui__title {
  font-size: 12.5px;
  color: var(--sky);
  margin-bottom: 0.15rem;
}

.tui__caret {
  display: inline-block;
  width: 0.5em;
  height: 1em;
  margin-left: 0.1em;
  background: var(--grass);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(2, start) infinite;
}

.term__out {
  margin: 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
  white-space: pre;
  overflow-x: auto;
  scrollbar-width: thin;
  background: transparent;
}

.tui:not(.is-playing) .tui__caret {
  animation: none;
  opacity: 0.45;
}

.tui__ctrl {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.6rem;
  font-size: 11.5px;
  color: var(--dim);
}

.tui__keys {
  color: var(--line);
  white-space: nowrap;
}

.tui__state {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tui__replay {
  flex: none;
}

.menu__item.is-hit {
  animation: hit 0.3s steps(2, end);
}

.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.lang {
  position: relative;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--line);
}

.lang__btn {
  display: inline-flex;
  align-items: center;
  list-style: none;
  color: var(--dim);
  padding: 0.3rem 0.4rem;
  border-radius: 3px;
  cursor: pointer;
}

.lang__btn::-webkit-details-marker {
  display: none;
}

.lang__btn:hover,
.lang[open] .lang__btn {
  color: var(--text);
  background: var(--raised);
}

.lang__icon {
  display: block;
}

.lang__menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  z-index: 70;
  min-width: 12.5rem;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.lang__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  font: inherit;
  font-size: 12.5px;
  text-align: left;
  color: var(--muted);
  background: none;
  border: 0;
  border-radius: 3px;
  padding: 0.35rem 0.45rem;
  cursor: pointer;
}

.lang__item:hover {
  color: var(--text);
  background: var(--raised);
}

.lang__item.is-active {
  color: var(--grass);
}

.lang__flag {
  display: block;
  flex: none;
  border: 1px solid var(--line);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes hit {
  0% {
    filter: brightness(1.55);
  }
  100% {
    filter: brightness(1);
  }
}

@media (max-width: 1000px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__demo {
    max-width: 520px;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.4rem clamp(1rem, 4vw, 2rem) 0.8rem;
  }

  .nav.is-open {
    display: flex;
  }

  .lang {
    margin-left: 0;
    padding-left: 0;
    margin-top: 0.4rem;
    padding-top: 0.4rem;
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }

  .lang__item {
    padding: 0.45rem 0.4rem;
    font-size: 13.5px;
  }

  .nav a {
    padding: 0.45rem 0.4rem;
    font-size: 13.5px;
  }

  .nav__ext {
    margin: 0.4rem 0 0;
    text-align: center;
  }

  .sec__grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .sec__aside {
    position: static;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 0.5rem;
  }

  .sec__label {
    margin-top: 0;
  }

  .diagram {
    grid-template-columns: 1fr;
  }

  .diagram__link {
    justify-self: start;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px dashed var(--line);
    padding: 0 0 0 0.6rem;
  }

  .spec {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

@media (max-width: 560px) {
  .block__row {
    flex-direction: column;
    align-items: stretch;
  }

  .block__row .copy {
    align-self: flex-start;
  }

  .copy--row {
    opacity: 1;
  }
}

@media (hover: none), (pointer: coarse) {
  .copy--row {
    opacity: 1;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}