:root {
  color-scheme: dark;
  font-family: ui-sans-serif, system-ui, sans-serif;
  background: #15191d;
  color: #e3e7eb;
  line-height: 1.7;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header,
main,
footer {
  width: min(100% - 40px, 780px);
  margin-inline: auto;
}
header {
  padding-block: 30px;
  border-bottom: 1px solid #31383e;
}
a {
  color: #b9d9cf;
  text-underline-offset: 4px;
}
a:hover {
  color: #e2f5ee;
}
a:focus-visible {
  outline: 2px solid #b9d9cf;
  outline-offset: 5px;
}
.brand {
  text-decoration: none;
  color: #f3f5f6;
  font-size: 1.25rem;
  font-weight: 650;
}
.brand span {
  color: #a6afb7;
  font-weight: 400;
}
main {
  padding-block: 52px 32px;
}
.eyebrow {
  color: #b6c7c3;
  font-size: 0.87rem;
  letter-spacing: 0.06em;
}
h1 {
  color: #f4f6f7;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.13;
  letter-spacing: -0.035em;
  margin-block: 16px 26px;
  overflow-wrap: anywhere;
}
h2 {
  color: #f0f2f4;
  font-size: 1.2rem;
  line-height: 1.4;
}
.lead {
  font-size: 1.12rem;
  color: #c8d0d6;
}
section {
  margin-block: 36px;
}
code {
  font-size: 0.87em;
  overflow-wrap: anywhere;
}
footer {
  border-top: 1px solid #31383e;
  padding-block: 24px;
  font-size: 0.9rem;
  color: #a6afb7;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
@media (max-width: 480px) {
  main {
    padding-top: 32px;
  }
}