:root {
  --bg: #fbf9ff;
  --surface: #ffffff;
  --fg: #1c1b1f;
  --muted: #4a4658;
  --line: #d9d4e6;
  --accent: #4f46e5;
  --accent-fg: #ffffff;
  --link: #3730a3;
  --focus: #1d4ed8;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141318;
    --surface: #1d1b22;
    --fg: #e6e1e9;
    --muted: #cac4d0;
    --line: #3a3745;
    --accent: #c3c0ff;
    --accent-fg: #1a1750;
    --link: #c3c0ff;
    --focus: #9db7ff;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: 0.5rem;
  z-index: 10;
}
.skip:focus {
  top: 1rem;
}

.doc {
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(1.25rem, 5vw, 3rem) clamp(1rem, 5vw, 2rem) 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
}
.brand img {
  border-radius: 10px;
}

.langs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}
.langs a {
  display: inline-block;
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
}
.langs a:hover {
  border-color: var(--accent);
}

.lang {
  display: none;
}
.lang:target,
.langs-content:not(:has(.lang:target)) #fr {
  display: block;
}

h1 {
  margin: 1.5rem 0 0;
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  line-height: 1.15;
  overflow-wrap: break-word;
}
h2 {
  margin: 2.2rem 0 0;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
  font-size: 1.35rem;
}
p {
  margin: 1rem 0 0;
  max-width: 70ch;
}
.meta {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.back {
  margin-top: 2rem;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.docs {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.docs a {
  display: block;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}
.docs a:hover {
  border-color: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}