@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #111111;
  --text: #f5f5f5;
  --mute: #6b6b6b;
  --lime: #b8ff3c;
  --line: #2a2a2a;
  --term: #0c0c0c;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  border-radius: 0;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Mono", ui-monospace, "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
}

img {
  border: 0;
}

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

a:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: 3px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand img {
  display: block;
  width: 28px;
  height: 28px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

nav a {
  color: var(--mute);
}

.enter {
  color: #111111;
  background: var(--lime);
  padding: 8px 12px;
  font-weight: 500;
}

.enter:hover {
  background: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.9fr);
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 32px 64px;
}

h1 {
  margin: 0;
  font-size: 46px;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

h1 em {
  font-style: normal;
  color: var(--lime);
}

.sub {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--mute);
}

.term {
  background: var(--term);
  border: 1px solid var(--line);
  min-width: 0;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--mute);
  font-size: 12px;
}

.term-bar i {
  display: block;
  width: 8px;
  height: 8px;
  background: #2a2a2a;
}

.term-bar i.on {
  background: var(--lime);
}

.term-bar span {
  margin-left: 8px;
}

.term pre {
  margin: 0;
  padding: 18px 18px 20px;
  overflow-x: auto;
  font: inherit;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  white-space: pre;
}

.mute {
  color: var(--mute);
}

.lime {
  color: var(--lime);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.features article {
  padding: 32px;
  border-right: 1px solid var(--line);
}

.features article:last-child {
  border-right: 0;
}

.features h2 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 500;
}

.features p {
  margin: 0;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 32px 22px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 12px;
}

@media (max-width: 900px) {
  .top,
  footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 20px 36px;
  }

  h1 {
    font-size: 32px;
  }

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

  .features article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 24px 20px;
  }

  .features article:last-child {
    border-bottom: 0;
  }

  nav {
    gap: 14px;
  }
}

@media (max-width: 520px) {
  .top {
    align-items: flex-start;
    flex-direction: column;
  }

  .term pre {
    font-size: 12px;
  }
}