:root {
  color-scheme: light dark;
  --text: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --surface: #f9fafb;
  --page: #fff;
  --link: #1d4ed8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f3f4f6;
    --muted: #9ca3af;
    --line: #374151;
    --surface: #1f2937;
    --page: #111827;
    --link: #93c5fd;
  }
}

* {
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
  background: var(--page);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

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

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding: 1.5rem 0;
}

.site-name {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--text);
}

main {
  flex: 1;
  padding: 2rem 0 3rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.5rem 0 0.5rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.1875rem;
}

.note {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.cards li {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
}

.cards p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.details {
  display: grid;
  grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
  gap: 0.5rem 1rem;
  margin: 1rem 0 0;
}

.details dt {
  color: var(--muted);
}

.details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer p {
  margin: 0;
}