/* Lightpath MCP landing page. Two inks on paper: the nine colours of brand/src/palette.mjs only.
   Print effects (paper grain, halftone, misregistration) live under html.fx and touch art and
   surfaces only. Text and code are always flat, crisp ink. */

@font-face {
  font-family: "Plex Sans";
  src: url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Sans";
  src: url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #fcf5ec;
  --indigo: #2b2684;
  --indigo-tint: #a19dd9;
  --pink: #ff4f9f;
  --pink-tint: #ffb3d2;
  --plum: #2b0c52; /* pink over indigo */
  --violet: #a13187; /* pink over indigo tint */
  --sans: "Plex Sans", "IBM Plex Sans", system-ui, sans-serif;
  --mono: "Plex Mono", "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 74rem;
  --gutter: clamp(1.125rem, 4vw, 2.5rem);
  --shadow: 5px 5px 0 var(--pink-tint);
  --u: clamp(5px, 0.86vw, 11px); /* one pixel of the display font */
  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--indigo);
  font: 400 1.125rem / 1.6 var(--sans);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

.fx body {
  background-image: url("paper.svg");
  background-size: 240px 240px;
}

::selection {
  background: var(--pink-tint);
  color: var(--plum);
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  margin: 0;
  text-wrap: balance;
  font-weight: 600;
}

h2 {
  font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 0.75em;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.4em;
}

p {
  margin: 0 0 1em;
  max-width: 68ch;
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: var(--pink);
  text-decoration-thickness: 3px;
}

:focus-visible {
  outline: 3px solid var(--plum);
  outline-offset: 3px;
}

code,
pre,
kbd {
  font-family: var(--mono);
  font-size: 0.9em;
}

pre {
  margin: 0;
}

p code,
li > code,
dd code,
h3 code {
  overflow-wrap: anywhere;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.6rem 1rem;
  background: var(--indigo);
  color: var(--paper);
  font-weight: 600;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap-narrow {
  max-width: 50rem;
}

/* ---- Top bar ----------------------------------------------------------------------------- */

.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 2px solid var(--indigo);
}

.bar-in {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0.65rem var(--gutter);
}

.brand {
  flex: none;
  padding: 0.35rem 0;
}

/* The official logo (brand/logo), always clean: no grain, halftone or misregistration. */
.logo {
  --logo-i: var(--indigo);
  --logo-p: var(--pink);
  width: auto;
  height: 30px;
}

.bar nav {
  flex: 1;
  min-width: 0;
}

.bar ul {
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bar nav a,
.bar-gh {
  display: block;
  padding: 0.45rem 0.6rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.bar nav a:hover,
.bar-gh:hover {
  text-decoration: underline;
  text-decoration-color: var(--pink);
  text-decoration-thickness: 3px;
}

.fx-toggle {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  border: 2px solid var(--indigo);
  border-radius: 999px;
  background: var(--paper);
  color: var(--indigo);
  font: 600 0.9375rem / 1.2 var(--sans);
  cursor: pointer;
}

.fx-toggle::before {
  content: "";
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid var(--indigo);
  border-radius: 50%;
  background: var(--paper);
}

.fx-toggle[aria-pressed="true"]::before {
  background: var(--pink);
}

/* ---- Buttons and cards: flat colour, a small misprint shadow in the second ink ---------- */

.btn {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  border: 2px solid var(--indigo);
  font: 600 1.25rem / 1.2 var(--sans);
  text-decoration: none;
}

.btn-primary {
  background: var(--pink);
  color: var(--plum);
  box-shadow: 4px 4px 0 var(--indigo);
}

.btn-quiet {
  background: var(--paper);
  color: var(--indigo);
  box-shadow: 4px 4px 0 var(--pink-tint);
}

.btn:hover {
  text-decoration: none;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--indigo);
}

.btn-quiet:hover {
  box-shadow: 2px 2px 0 var(--pink-tint);
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

/* ---- Hero -------------------------------------------------------------------------------- */

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

.display {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
  font-size: calc(9 * var(--u));
  line-height: 1;
}

.display-px {
  display: flex;
  flex-wrap: wrap;
  column-gap: calc(4 * var(--u));
  row-gap: calc(3 * var(--u));
  max-width: calc(110 * var(--u));
}

.px-word {
  width: calc(var(--w) * var(--u));
  height: calc(9 * var(--u));
  fill: var(--indigo);
}

.lede {
  max-width: 36ch;
  font-size: clamp(1.25rem, 1rem + 0.9vw, 1.5rem);
  line-height: 1.45;
  margin-bottom: 1.75rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.meta {
  font-size: 0.9375rem;
}

.hero-print {
  margin-top: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(1rem, 3vw, 2rem) clamp(2rem, 5vw, 4rem);
}

.hero-art {
  width: 100%;
  height: auto;
}

.motion-toggle {
  display: block;
  margin: 0.75rem 0 0 auto;
  padding: 0.3rem 0.7rem;
  border: 2px solid var(--indigo);
  background: var(--paper);
  color: var(--indigo);
  font: 600 0.875rem / 1.2 var(--sans);
  cursor: pointer;
}

.still .hero-art * {
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .motion-toggle {
    display: none;
  }
}
/* Ink layers of every drawn print (hero and spots). */
.art .paper {
  fill: var(--paper);
}
.art .tint-i {
  fill: var(--indigo-tint);
}
.art .full-i {
  fill: var(--indigo);
}
.art .tint-p {
  fill: var(--pink-tint);
}
.art .full-p {
  fill: var(--pink);
}
.art .ink-p {
  mix-blend-mode: multiply;
}
.art .grain {
  display: none;
}

.fx .art .tint-i {
  fill: url("#ht-i");
}
.fx .art .ink-p {
  transform: translate(0.4px, 0.4px);
}
.fx .art .grain {
  display: inline;
  filter: url("#grain");
}

.defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Hero loop: 10 s, stepped like the brand loop (frames at 10 fps). Static and fully lit unless
   motion is welcome. */
.hero-rays {
  visibility: hidden;
}
.hero-walker {
  transform: translateX(150px);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-clip {
    transform-box: fill-box;
    transform-origin: 0 0;
    animation: hero-path 10s steps(26, end) infinite;
  }
  .hero-button {
    animation: hero-button 10s steps(1, end) infinite;
  }
  .hero-leds {
    animation: hero-leds 10s steps(1, end) infinite;
  }
  .hero-walker {
    animation: hero-walker 10s steps(25, end) infinite;
  }
  .hero-cursor {
    animation: hero-cursor 10s steps(8, end) infinite;
  }
  .hero-rays {
    animation: hero-rays 10s steps(1, end) infinite;
  }
}

@keyframes hero-path {
  0%,
  12% {
    transform: scaleX(0);
  }
  64%,
  80% {
    transform: scaleX(1);
  }
  92%,
  100% {
    transform: scaleX(0);
  }
}
@keyframes hero-button {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  92% {
    opacity: 0;
  }
}
@keyframes hero-leds {
  0% {
    opacity: 0;
  }
  64% {
    opacity: 1;
  }
  92% {
    opacity: 0;
  }
}
@keyframes hero-walker {
  0%,
  12% {
    transform: translateX(0);
    opacity: 0;
  }
  13% {
    opacity: 1;
  }
  64%,
  80% {
    transform: translateX(150px);
  }
  92% {
    transform: translateX(0);
    opacity: 1;
  }
  93%,
  100% {
    opacity: 0;
  }
}
@keyframes hero-cursor {
  0% {
    transform: translate(var(--cx), var(--cy));
  }
  8%,
  91% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(var(--cx), var(--cy));
  }
}
@keyframes hero-rays {
  0% {
    visibility: hidden;
  }
  10% {
    visibility: visible;
  }
  15% {
    visibility: hidden;
  }
}

/* ---- Sections ---------------------------------------------------------------------------- */

.sec {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-top: 2px solid var(--indigo);
}

.fx .sec {
  border-top: 0;
  /* A row of halftone dots instead of a rule: printed, not drawn. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='1.5' fill='%232b2684'/%3E%3C/svg%3E");
  background-size: 6px 6px;
  background-repeat: repeat-x;
  background-position: 0 0;
}

.intro {
  max-width: 62ch;
  font-size: 1.25rem;
}

.note,
.src {
  font-size: 0.9375rem;
  max-width: 66ch;
}

.src {
  margin-top: auto;
  margin-bottom: 0;
  padding-top: 0.75rem;
  color: var(--violet);
}

.src a {
  color: var(--violet);
}

/* Demo */
.demo {
  margin: 2rem 0 0;
}

.demo img {
  width: 100%;
  max-width: 1000px;
  height: auto;
  border: 2px solid var(--indigo);
  box-shadow: var(--shadow);
  background: var(--paper);
}

.demo figcaption {
  max-width: 66ch;
  margin-top: 1.5rem;
  font-size: 0.9375rem;
}

/* Why */
.why {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.5rem;
  margin-block: 1.5rem 1.75rem;
}

.why-col {
  padding: 1.5rem 1.6rem;
  border: 2px solid var(--indigo);
  background: var(--paper);
}

.why-col p {
  margin: 0;
  max-width: 44ch;
}

.why-lit {
  box-shadow: 5px 5px 0 var(--pink);
}

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

.ticks li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.6rem;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--pink);
  box-shadow: 2px 2px 0 var(--indigo);
}

/* Trace */
.trace {
  margin: 2rem 0 0;
  border: 2px solid var(--indigo);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.trace-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  padding: 0.6rem 1rem;
  background: var(--indigo);
  color: var(--paper);
  font: 600 0.875rem / 1.5 var(--mono);
}

.trace-lines {
  margin: 0;
  padding: 1rem 0;
  list-style: none;
  font: 400 0.875rem / 1.55 var(--mono);
  overflow-x: auto;
}

.trace-lines:focus-visible {
  outline-offset: -3px;
}

.trace-lines li {
  position: relative;
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.75rem;
  width: max-content;
  min-width: 100%;
  padding: 0.1rem 1rem;
}

.trace-lines code {
  grid-column: 2;
  font-size: 1em;
  white-space: pre;
}

.t-head code,
.t-file code {
  font-weight: 600;
}

.t-name {
  font-weight: 600;
}

.t-count {
  font-weight: 600;
  color: var(--plum);
}

.t-nr {
  color: var(--violet);
}

.t-fn {
  cursor: default;
}

.t-fn:hover,
.t-fn.is-active {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--indigo);
}

.t-fn::after {
  content: attr(data-tip);
  position: absolute;
  right: 1rem;
  top: 50%;
  translate: 0 -50%;
  padding: 0.1rem 0.5rem;
  background: var(--indigo);
  color: var(--paper);
  font: 600 0.875rem / 1.5 var(--sans);
  white-space: nowrap;
  visibility: hidden;
  pointer-events: none;
}

.t-fn:hover::after,
.t-fn.is-active::after {
  visibility: visible;
}

/* Halftone bars: dot size shows how often a line ran. Flat stepped bars when effects are off. */
.t-bar {
  grid-column: 1;
  align-self: center;
  display: block;
  height: 12px;
  /* Bubblegum pink, 2.83:1 on paper: kept by the owner's choice (2026-11-04). Every count is
     also printed as ×N text, so no information depends on the dots alone. */
  background: var(--pink);
}

.t-bar.d1 {
  width: 20%;
}
.t-bar.d2 {
  width: 40%;
}
.t-bar.d3 {
  width: 60%;
}
.t-bar.d4 {
  width: 80%;
}
.t-bar.d5 {
  width: 100%;
}

.fx .t-bar {
  width: 100%;
  background-color: transparent;
  background-size: 6px 6px;
}
.fx .t-bar.d1 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='1.1' fill='%23ff4f9f'/%3E%3C/svg%3E");
}
.fx .t-bar.d2 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='1.4' fill='%23ff4f9f'/%3E%3C/svg%3E");
}
.fx .t-bar.d3 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='1.9' fill='%23ff4f9f'/%3E%3C/svg%3E");
}
.fx .t-bar.d4 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='2.5' fill='%23ff4f9f'/%3E%3C/svg%3E");
}
.fx .t-bar.d5 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='6'%3E%3Ccircle cx='3' cy='3' r='3.4' fill='%23ff4f9f'/%3E%3C/svg%3E");
}

.trace figcaption {
  display: grid;
  gap: 0.5rem;
  padding: 0.9rem 1rem 1rem;
  border-top: 2px solid var(--indigo);
  font-size: 0.9375rem;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.6rem;
  font-size: 0.875rem;
}

.legend .t-bar {
  width: 2.4rem;
}

.lg {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-right: 0.9rem;
  white-space: nowrap;
}

/* How it works: a real sequence, so it is numbered. */
.how {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 2.5rem 2rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.how li {
  counter-increment: step;
}

.how h3::before {
  content: counter(step) ". ";
}

.spot {
  width: 100%;
  max-width: 17rem;
  height: auto;
  margin-bottom: 1.25rem;
}

.how p {
  max-width: 40ch;
}

/* What it does: six cards on a 6-column grid, deliberately not all alike. */
.feats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  grid-column: span 2;
  padding: 1.4rem 1.5rem;
  border: 2px solid var(--indigo);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.card p {
  font-size: 1.125rem;
}

.card-wide {
  grid-column: span 4;
}

.card-wide + .card {
  grid-column: span 2;
}

.snip {
  margin: 0.25rem 0 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  background: var(--indigo);
  color: var(--paper);
  font-size: 0.875rem;
  line-height: 1.6;
}

.snip code {
  font-size: 1em;
}

.card-local {
  grid-column: 1 / -1;
  background: var(--indigo);
  color: var(--paper);
  box-shadow: 5px 5px 0 var(--pink);
}

.card-local .src,
.card-local .src a {
  color: var(--pink-tint);
}

.card-local p {
  max-width: 70ch;
}

.card-cmd h3 {
  font-size: 1.25rem;
}

/* Quick start */
.tabs {
  margin-top: 2rem;
  max-width: 52rem;
}

.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

[role="tab"] {
  padding: 0.55rem 1rem;
  border: 2px solid var(--indigo);
  background: var(--paper);
  color: var(--indigo);
  font: 600 0.9375rem / 1.2 var(--sans);
  cursor: pointer;
}

[role="tab"][aria-selected="true"] {
  background: var(--indigo);
  color: var(--paper);
  box-shadow: 3px 3px 0 var(--pink);
}

.panel:focus-visible {
  outline-offset: 6px;
}

.cmd {
  position: relative;
  margin-bottom: 1rem;
  border: 2px solid var(--indigo);
  background: var(--indigo);
  box-shadow: var(--shadow);
}

.cmd pre {
  padding: 1.1rem 7rem 1.1rem 1.1rem;
  overflow-x: auto;
  color: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.cmd code {
  font-size: 1em;
}

.copy {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.35rem 0.8rem;
  border: 2px solid var(--paper);
  background: var(--pink);
  color: var(--plum);
  font: 600 0.9375rem / 1.2 var(--sans);
  cursor: pointer;
}

.copy:focus-visible {
  outline-color: var(--paper);
}

.notice {
  max-width: 62ch;
  margin-block: 1.5rem;
  padding: 0.9rem 1.1rem;
  border: 2px solid var(--indigo);
  background: var(--paper);
}

/* Works with */
.works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr));
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.works h3 {
  margin-top: 1.25rem;
}

.works h3:first-child {
  margin-top: 0;
}

.kv {
  display: grid;
  grid-template-columns: minmax(7rem, auto) 1fr;
  gap: 0.5rem 1.25rem;
  margin: 0.5rem 0 1rem;
}

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

.kv-stack dd {
  margin-bottom: 0.75rem;
}

.table-wrap + .note {
  margin-top: 1.25rem;
}

.kv dt {
  font-weight: 600;
}

.kv dd {
  margin: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.45;
}

th,
td {
  padding: 0.6rem 0.75rem 0.6rem 0;
  border-bottom: 2px solid var(--indigo-tint);
  text-align: left;
  vertical-align: top;
}

thead th {
  border-bottom-color: var(--indigo);
}

.px-group {
  display: flex;
  column-gap: calc(4 * var(--u));
}

tbody th {
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 1.5rem;
}

.compare {
  min-width: 40rem;
}

.compare th[scope="row"] {
  white-space: nowrap;
}

.limits {
  max-width: 62ch;
  margin-top: 2.5rem;
}

.limits ul {
  padding-left: 1.2rem;
}

.limits li {
  margin-bottom: 0.35rem;
}

/* FAQ */
.qa {
  border-bottom: 2px solid var(--indigo);
}

.qa:first-of-type {
  border-top: 2px solid var(--indigo);
}

.qa summary {
  position: relative;
  display: block;
  padding: 1.1rem 3rem 1.1rem 0;
  cursor: pointer;
  list-style: none;
}

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

.qa summary h3 {
  margin: 0;
  font-size: 1.25rem;
}

.qa summary::before,
.qa summary::after {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  width: 1rem;
  height: 3px;
  margin-top: -1.5px;
  background: var(--indigo);
}

.qa summary::after {
  transform: rotate(90deg);
}

.qa[open] summary::after {
  display: none;
}

/* Open shows a minus in indigo: the shape carries the state (pink on paper is under 3:1). */

.qa > div {
  padding-bottom: 1rem;
  max-width: 64ch;
}

/* Footer */
.foot {
  padding-block: 3.5rem 3rem;
  background: var(--indigo);
  color: var(--paper);
}

.foot-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.75rem;
}

.foot-brand p {
  margin: 0;
  font-weight: 600;
}

.foot .logo {
  --logo-i: var(--paper);
  height: 40px;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  font-weight: 600;
}

.foot-links a {
  display: inline-block;
  padding-block: 0.25rem;
}

.foot-small {
  max-width: 70ch;
  font-size: 0.875rem;
}

/* On indigo surfaces the plum ring would be 1.34:1; pink tint is 7.37:1. */
.foot :focus-visible,
.card-local :focus-visible,
.cmd :focus-visible {
  outline-color: var(--pink-tint);
}

.plain-h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* ---- Small screens ------------------------------------------------------------------------ */

@media (max-width: 60rem) {
  .feats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .card,
  .card-wide + .card {
    grid-column: span 1;
  }
  .card-wide,
  .card-local {
    grid-column: 1 / -1;
  }
}

@media (max-width: 48rem) {
  .bar-in {
    flex-wrap: wrap;
    row-gap: 0.25rem;
    padding-block: 0.5rem 0.35rem;
  }
  .bar nav {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    margin-inline: -0.6rem;
  }
  .bar-gh {
    margin-left: auto;
  }
  .fx-toggle {
    margin-left: auto;
  }
  .fx-toggle + .bar-gh {
    margin-left: 0;
  }
  .feats {
    grid-template-columns: minmax(0, 1fr);
  }
  .card,
  .card-wide + .card {
    grid-column: 1 / -1;
  }
  .trace-lines li {
    grid-template-columns: 2.75rem 1fr;
    gap: 0.6rem;
    padding-inline: 0.75rem;
  }
  .t-fn::after {
    right: 0.5rem;
    top: -0.2rem;
    translate: 0 -100%;
  }
  .hero-print .wrap {
    padding-inline: 0.5rem;
  }
  .trace-lines {
    font-size: 0.875rem;
  }
  .cmd pre {
    padding-right: 1.1rem;
    padding-top: 3.4rem;
  }
  .kv {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  .kv dd {
    margin-bottom: 0.6rem;
  }
}

@media (max-width: 26rem) {
  .fx-long {
    display: none;
  }
  /* The lockup is wider than the old pixel wordmark; at phone width this keeps logo, switch and
     GitHub on one row (checked at 360 and 390 px). */
  .bar .logo {
    height: 24px;
  }
  .bar nav a {
    padding-inline: 0.45rem;
  }
}

@media (forced-colors: active) {
  .t-bar,
  .ticks li::before {
    forced-color-adjust: none;
  }
}