/* amx website: the homepage and the docs share this file. */

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/literata-400.woff2") format("woff2");
}
@font-face {
  font-family: "Literata";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/literata-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/literata-600.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/plex-mono-500.woff2") format("woff2");
}

/* Prose is set in Literata; anything a terminal prints or you type is in
   Plex Mono. The one colour is amx's own "waiting" amber, spent on what
   wants a person: links, focus, the primary action. */
:root {
  color-scheme: dark;
  --ground: #1e1f22;
  --sunk: #17181b;
  --ink: #e2e0da;
  --ink-2: #b0afa9;
  --dim: #898a8f;
  --rule: #323438;
  --accent: #eab04a;
  --on-accent: #1a1b1d;
  --link: #eab04a;
  --tint: rgb(226 224 218 / 0.07);

  --serif: "Literata", Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --gutter: 11.5rem;
  --gap: 3.5rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --ground: #fafaf9;
    --sunk: #f1f1ee;
    --ink: #1d1e21;
    --ink-2: #4a4b50;
    --dim: #6b6d72;
    --rule: #dfdfda;
    --link: #8a5a00;
    --tint: rgb(29 30 33 / 0.06);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 1.125rem/1.6 var(--serif);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
}

p,
li {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration-color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

code {
  font-size: 0.9em;
}

.wrap {
  width: min(70rem, 100% - 2 * var(--pad));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Top bar and footer */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font: 500 1.0625rem/1 var(--mono);
  text-decoration: none;
}

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

.mark {
  flex: none;
  width: 1.3rem;
  height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.mark .lit {
  fill: var(--accent);
  stroke: none;
}

.topnav {
  display: flex;
  gap: 1.75rem;
  font-size: 1rem;
}

.topnav a {
  color: var(--ink-2);
  text-decoration: none;
}

.topnav a:hover,
.topnav a[aria-current] {
  color: var(--ink);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-top: 3rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--rule);
  color: var(--dim);
  font-size: 0.9375rem;
}

.footer p {
  margin: 0;
}

.footer .brand {
  font-size: 0.9375rem;
}

/* Homepage: a man page's grid, section names hanging in the left column and
   everything else on one line to the right of it. */

.hero,
.section {
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, 1fr);
  column-gap: var(--gap);
}

.hero > *,
.section > * {
  grid-column: 2;
}

.hero {
  padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2.5rem, 5vw, 4rem);
}

.hero h1 {
  max-width: 13em;
  margin: 0 0 1.75rem;
  font-size: clamp(2.5rem, 5.6vw, 4.25rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.lede {
  max-width: 33em;
  margin: 0 0 2.5rem;
  color: var(--ink-2);
  font-size: 1.25rem;
  line-height: 1.55;
}

.install {
  display: flex;
  width: fit-content;
  max-width: 100%;
  background: var(--sunk);
  border: 1px solid var(--rule);
  border-radius: 8px;
  font: 400 0.9375rem/1.5 var(--mono);
}

.install .prompt {
  padding: 0.9rem 0 0.9rem 1.1rem;
  color: var(--dim);
  user-select: none;
}

.install code {
  flex: 1;
  min-width: 0;
  padding: 0.9rem 1rem 0.9rem 0.65rem;
  overflow-x: auto;
  color: var(--ink);
  font-size: inherit;
  white-space: nowrap;
  scrollbar-width: thin;
}

.copy {
  flex: none;
  min-width: 5.5rem;
  padding: 0 1rem;
  border: 0;
  border-left: 1px solid var(--rule);
  border-radius: 0 7px 7px 0;
  background: transparent;
  color: var(--ink-2);
  font: 400 0.9375rem/1 var(--serif);
  cursor: pointer;
}

.copy:hover {
  background: var(--tint);
  color: var(--ink);
}

.note {
  max-width: 40rem;
  margin: 0.9rem 0 2.25rem;
  color: var(--dim);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.note code {
  color: var(--ink-2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin: 0;
  font-size: 1rem;
}

.button {
  padding: 0.55rem 1rem;
  border-radius: 3px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  background: color-mix(in srgb, var(--accent) 85%, white);
  color: var(--on-accent);
}

.demo figure {
  margin: 0;
}

.demo video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: #141518;
}

.demo figcaption {
  max-width: 40rem;
  margin-top: 1rem;
  color: var(--dim);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6rem) 0;
}

.section > h2 {
  grid-column: 1;
  grid-row: 1 / span 2;
  margin: 0;
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.6;
}

.section > p {
  max-width: 36em;
  margin: 0 0 1.5rem;
  color: var(--ink-2);
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.75rem 3.25rem;
}

.features h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

.features p {
  margin: 0;
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.62;
}

.features code {
  color: var(--ink);
}

.term {
  margin: 0;
  padding: 1.1rem 1.3rem;
  overflow-x: auto;
  background: var(--sunk);
  border: 1px solid var(--rule);
  border-radius: 8px;
  color: var(--ink-2);
  font: 400 0.875rem/1.7 var(--mono);
}

.term code {
  font-size: inherit;
}

.term .p {
  color: var(--dim);
  user-select: none;
}

.term .c {
  color: var(--ink);
}

/* Docs */

.docs {
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, 1fr);
  column-gap: var(--gap);
  padding-top: 2rem;
}

.sidebar {
  position: sticky;
  top: 1.5rem;
  align-self: start;
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  font-size: 0.9375rem;
}

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

.sidebar a,
.pages a {
  display: block;
  padding: 0.32rem 0 0.32rem 0.9rem;
  border-left: 2px solid var(--rule);
  color: var(--ink-2);
  line-height: 1.4;
  text-decoration: none;
}

.sidebar a:hover,
.pages a:hover {
  color: var(--ink);
}

.sidebar a[aria-current="page"],
.pages a[aria-current="page"] {
  border-left-color: var(--accent);
  color: var(--ink);
  font-weight: 600;
}

.pages {
  display: none;
}

.doc {
  min-width: 0;
  max-width: 43rem;
}

.prose {
  font-size: 1.0625rem;
  line-height: 1.66;
}

.prose h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.prose h2,
.prose h3,
.prose h4 {
  position: relative;
  scroll-margin-top: 1.5rem;
  font-weight: 600;
}

.prose h2 {
  margin: 3rem 0 0.9rem;
  font-size: 1.5rem;
  line-height: 1.3;
}

.prose h3 {
  margin: 2.25rem 0 0.6rem;
  font-size: 1.1875rem;
  line-height: 1.4;
}

.prose h4 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.0625rem;
}

.anchor {
  position: absolute;
  right: 100%;
  padding-right: 0.35em;
  color: var(--dim);
  font-weight: 400;
  text-decoration: none;
  opacity: 0;
}

.prose :is(h2, h3, h4):hover .anchor,
.anchor:focus-visible {
  opacity: 1;
}

.prose p,
.prose ul,
.prose ol,
.prose pre,
.prose blockquote,
.prose .table {
  margin: 0 0 1.15rem;
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.3rem;
}

.prose li > p {
  margin-bottom: 0.5rem;
}

.prose li::marker {
  color: var(--dim);
}

.prose a {
  text-decoration-color: color-mix(in srgb, var(--link) 75%, transparent);
}

.prose :not(pre) > code {
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: var(--tint);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Sized so an 80-column terminal fits the column without scrolling. */
.prose pre {
  padding: 1rem 1.2rem;
  overflow-x: auto;
  background: var(--sunk);
  border: 1px solid var(--rule);
  border-radius: 8px;
  font-size: 0.8125rem;
  line-height: 1.62;
}

.prose pre code {
  font-size: inherit;
}

.prose blockquote {
  padding-left: 1.1rem;
  border-left: 2px solid var(--rule);
  color: var(--ink-2);
}

.prose .table {
  overflow-x: auto;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.prose th {
  font-weight: 600;
  text-align: left;
}

.prose th,
.prose td {
  padding: 0.55rem 1.25rem 0.55rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.prose td:first-child code {
  white-space: nowrap;
}

.prose hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.pager a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--ink);
  font-size: 1.0625rem;
  text-decoration: none;
}

.pager a span {
  color: var(--dim);
  font-size: 0.875rem;
}

.pager a:hover {
  color: var(--link);
}

.pager .next {
  margin-left: auto;
  text-align: right;
}

/* Narrow screens: one column, and the docs pages behind a disclosure. */

@media (max-width: 54rem) {
  .hero,
  .section,
  .docs {
    display: block;
  }

  .section > h2 {
    margin-bottom: 1.25rem;
  }

  .sidebar {
    display: none;
  }

  .pages {
    display: block;
    margin-bottom: 2.25rem;
    border: 1px solid var(--rule);
    border-radius: 8px;
    font-size: 0.9375rem;
  }

  .pages summary {
    padding: 0.7rem 1rem;
    cursor: pointer;
  }

  .pages nav {
    padding: 0 1rem 0.8rem;
  }

  .anchor {
    display: none;
  }
}

/* A phone: one column of features, and the install command wraps at its
   slashes, with the copy button under it, rather than hiding its end. */

@media (max-width: 34rem) {
  .features {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .install {
    flex-wrap: wrap;
  }

  .install code {
    flex: 1 1 0;
    white-space: normal;
  }

  .copy {
    flex-basis: 100%;
    padding: 0.7rem 1rem;
    border-top: 1px solid var(--rule);
    border-left: 0;
    border-radius: 0 0 7px 7px;
  }
}