@font-face {
  font-family: "Plex Sans";
  src: url("fonts/IBMPlexSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plex Sans";
  src: url("fonts/IBMPlexSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("fonts/IBMPlexMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --window: #141412;
  --panel: #1e1e1b;
  --control: #2a2a26;
  --raised: #35342f;
  --chalk: #e4e2dd;
  --ash: #9a978e;
  --ink: #141412;
  --amber: #e8912f;
  --amber-over: #ee9c40;
  --amber-held: #d9842a;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--window);
}

body {
  margin: 0;
  padding-bottom: 24px;
  background: var(--window);
  color: var(--chalk);
  font: 400 16px/26px "Plex Sans", "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

a {
  color: var(--chalk);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--chalk);
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2 {
  margin: 0;
  font-weight: 500;
}

h2 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 28px;
}

p,
ul,
pre {
  margin: 0 0 16px;
}

ul {
  padding-left: 24px;
}

li + li {
  margin-top: 4px;
}

li::marker {
  color: var(--ash);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

code {
  font: 400 14px/22px "Plex Mono", Consolas, monospace;
}

pre {
  padding: 16px;
  overflow-x: auto;
  background: var(--panel);
  border-radius: 6px;
}

.nowrap {
  white-space: nowrap;
}

.head {
  padding: 56px 24px 40px;
  text-align: center;
}

.mark {
  margin: 0 auto 16px;
}

.head h1 {
  font-size: 32px;
  line-height: 40px;
}

.line {
  max-width: 34em;
  margin: 8px auto 24px;
  color: var(--ash);
  font-size: 18px;
  line-height: 28px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 4px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.primary {
  background: var(--amber);
  color: var(--ink);
}

.primary:hover {
  background: var(--amber-over);
}

.primary:active {
  background: var(--amber-held);
}

.secondary {
  color: var(--chalk);
}

.secondary:hover {
  background: var(--control);
}

.secondary:active {
  background: var(--raised);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
}

.badge {
  display: inline-flex;
  font: 400 12px/20px "Plex Mono", Consolas, monospace;
  text-decoration: none;
}

.badge span {
  padding: 0 8px;
}

.badge span:first-child {
  background: var(--control);
  color: var(--ash);
  border-radius: 3px 0 0 3px;
}

.badge span:last-child {
  background: var(--raised);
  color: var(--chalk);
  border-radius: 0 3px 3px 0;
}

main {
  max-width: 1168px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  margin: 0 auto 48px;
  border-radius: 6px;
}

.text {
  max-width: 40em;
  margin: 0 auto;
}

section {
  margin-bottom: 40px;
}

.strip {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 24px;
  padding: 0 max(24px, calc((100% - 1120px) / 2));
  background: var(--panel);
  color: var(--ash);
  font: 400 12px/16px "Plex Mono", Consolas, monospace;
}

.trace {
  width: 120px;
  height: 16px;
  margin-left: auto;
  border-bottom: 1px solid var(--ash);
}

@media (max-width: 480px) {
  .head {
    padding: 32px 16px 24px;
  }

  main {
    padding: 0 16px;
  }

  .buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    justify-content: center;
  }

  .strip {
    padding: 0 16px;
  }

  .strip span:nth-child(2) {
    display: none;
  }
}