:root {
  color-scheme: light dark;
  --bg: #f4f3f1;
  --fg: #1a1918;
  --muted: #5e5a55;
  --line: #ddd9d3;
  --surface: #fffcf8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #f3f1ed;
    --muted: #b0aaa3;
    --line: #2e2d2a;
    --surface: #1c1b19;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

header h1,
.brand {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand {
  color: inherit;
  text-decoration: none;
}

.langs {
  display: flex;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.langs a {
  color: var(--muted);
  text-decoration: none;
}

.langs a:hover,
.langs a:focus-visible {
  color: var(--fg);
}

main h1 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.apps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.apps a,
.nav a {
  color: inherit;
}

.apps a {
  display: block;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
}

.apps a:hover,
.apps a:focus-visible {
  border-color: var(--fg);
}

section + section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 1.5rem 0 0;
}

.note {
  margin: 0 0 0.75rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.95rem;
}

.note code {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.875em;
}

a:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}