:root {
  --bg: #0B0F1A;
  --surface: #131A2A;
  --border: #242E45;
  --text: #E6EAF2;
  --dim: #9AA5BC;
  --link: #5B8CFF;
  --net: #00D4FF;
  --host: #A96BFF;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 56px;
}

.brand img { width: 40px; height: 40px; display: block; }

.brand span {
  font-family: "Saira", sans-serif;
  font-weight: 600;
  font-size: 25px;
  letter-spacing: 0.01em;
}

h1 {
  font-family: "Saira", sans-serif;
  font-weight: 600;
  font-size: 38px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

h2 {
  font-family: "Saira", sans-serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.01em;
  margin: 40px 0 10px;
}

p { margin: 0 0 18px; }

.lead { font-size: 20px; color: var(--dim); margin-bottom: 44px; }

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

.bits {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin: 0 0 44px;
  overflow-x: auto;
}

.bits code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 15px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  display: block;
}

.bits .n { color: var(--net); }
.bits .h { color: var(--host); }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--dim);
  font-family: "IBM Plex Mono", monospace;
}

.legend b { font-weight: 400; }
.legend .n { color: var(--net); }
.legend .h { color: var(--host); }

.meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--dim);
  margin-bottom: 40px;
}

footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--dim);
}

footer a { margin-right: 20px; }

@media (max-width: 520px) {
  h1 { font-size: 30px; }
  .lead { font-size: 18px; }
  .bits code { font-size: 12px; }
}