:root {
  --ink: #16181d;
  --muted: #5b6270;
  --paper: #fbfaf7;
  --card: #ffffff;
  --line: #e4e1da;
  --accent: #b3261e;
  --accent-ink: #ffffff;
  --measure: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceae4;
    --muted: #a3a8b3;
    --paper: #131418;
    --card: #1b1d22;
    --line: #2c2f36;
    --accent: #ff5a4e;
    --accent-ink: #131418;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding-inline: 1rem;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.65 Georgia, "Times New Roman", serif;
}

main, header, footer {
  max-width: var(--measure);
  margin-inline: auto;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
  font-family: system-ui, -apple-system, sans-serif;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

nav { display: flex; gap: 1.25rem; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }

main { padding-block: 2.5rem 3rem; }

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.25rem 0 0.5rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1.15rem;
}

.lede { font-size: 1.2rem; color: var(--muted); }
.meta { color: var(--muted); font-size: 0.9rem; font-family: system-ui, sans-serif; }

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

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.2rem;
  border-radius: 0.4rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: system-ui, -apple-system, sans-serif;
  font-weight: 600;
  text-decoration: none;
}

.card {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--card);
}

footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 0.9rem/1.5 system-ui, -apple-system, sans-serif;
}

footer a { color: var(--muted); }