:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #202326;
  --muted: #626a70;
  --line: #dce3e6;
  --accent: #146c63;
  --accent-strong: #0f514b;
  --code-bg: #edf3f1;
  --shadow: 0 22px 60px rgb(31 45 52 / 12%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgb(20 108 99 / 10%), transparent 38rem),
    linear-gradient(180deg, #ffffff, transparent 16rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-decoration-color: rgb(20 108 99 / 35%);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentcolor;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: min(100% - 2rem, 1280px);
  margin: 0 auto;
  padding: 1.25rem 0;
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

nav a {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  border-color: var(--line);
  background: rgb(255 255 255 / 62%);
  color: var(--text);
}

main {
  width: min(100% - 2rem, 1280px);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.content {
  max-width: 1040px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(1.25rem, 4vw, 3.25rem);
  box-shadow: var(--shadow);
}

.content > :first-child {
  margin-top: 0;
}

.content > :last-child {
  margin-bottom: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
}

h2 {
  margin-top: 2.5rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
}

h3 {
  margin-top: 2rem;
  font-size: 1.22rem;
}

p,
ul,
blockquote,
pre {
  margin: 1rem 0;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

blockquote {
  border-left: 4px solid var(--accent);
  margin-left: 0;
  padding: 0.15rem 0 0.15rem 1rem;
  color: var(--muted);
}

blockquote p {
  margin: 0.35rem 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

code {
  border-radius: 0.35rem;
  background: var(--code-bg);
  padding: 0.1rem 0.28rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #272822;
  padding: 1rem;
}

pre code {
  background: transparent;
  color: #f8f8f2;
  padding: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  main {
    padding-top: 1rem;
  }
}