:root {
  --bg: #0a0a0a;
  --panel: #151515;
  --text: #e9eaec;
  --muted: #9a9ca0;
  --line: #2a2a2a;
  --steel: linear-gradient(135deg, #5c5f63, #c9ccd0 22%, #8d9094 38%, #e3e5e8 55%, #9a9da1 72%, #55585c);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    17px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 36px;
}
.plate {
  width: 34px;
  height: 46px;
  border-radius: 3px;
  background: var(--steel);
  position: relative;
}
.plate::after {
  content: '';
  position: absolute;
  left: 13px;
  top: 8px;
  width: 7px;
  height: 30px;
  background: var(--bg);
  transform: skewX(-12deg);
}
.brand b {
  font-size: 30px;
  letter-spacing: -0.02em;
  background: var(--steel);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 0 0 8px;
}
h2 {
  font-size: 21px;
  margin: 32px 0 8px;
}
p,
li {
  color: var(--text);
}
.muted {
  color: var(--muted);
}
a {
  color: #c9ccd0;
}
nav {
  display: flex;
  gap: 18px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 15px;
}
.code {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 15px;
  overflow-wrap: anywhere;
  user-select: all;
}
button {
  margin-top: 12px;
  background: #e3e5e8;
  color: #0a0a0a;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}