:root {
  color-scheme: light;
  --page: #fbfaf8;
  --surface: #ffffff;
  --ink: #252522;
  --muted: #6d6b66;
  --line: #e8e5df;
  --link: #6956c9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}

main {
  width: min(100% - 2.5rem, 720px);
  margin: 0 auto;
  padding: 4.5rem 0;
}

h1, h2 { line-height: 1.35; }

h1 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 2.5rem 0 0.65rem;
  font-size: 1.05rem;
}

p, li { font-size: 0.96rem; }

p { margin: 0.75rem 0; }

ul { padding-left: 1.25rem; }

li + li { margin-top: 0.38rem; }

.lead {
  max-width: 42rem;
  margin-top: 1.15rem;
  color: var(--muted);
  font-size: 1.04rem;
}

.card {
  margin-top: 2rem;
  padding: 1.4rem 1.45rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.card h2 { margin-top: 0; }

a { color: var(--link); text-underline-offset: 0.16em; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
  margin-top: 2.25rem;
  font-size: 0.93rem;
}

.meta, footer {
  color: var(--muted);
  font-size: 0.84rem;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

code {
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: #f0eee9;
  font-size: 0.9em;
}