/* Hōkyō-jutsu — Sauvegardes : présentation sobre, sans ressource externe. */
:root {
  --fond: #ffffff;
  --texte: #1c2a33;
  --texte-doux: #4e5f6a;
  --filet: #e2e8ec;
  --lien: #1f6e90;
}

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

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

body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 1rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

header, main, footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  border-bottom: 1px solid var(--filet);
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}

.marque { margin: 0; font-weight: 600; }
.marque a { color: inherit; text-decoration: none; }

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}

a { color: var(--lien); text-underline-offset: 0.15em; }
a[aria-current="page"] { color: var(--texte); font-weight: 600; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--lien); outline-offset: 2px; }

main { padding-top: 1.5rem; padding-bottom: 2rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 0.75rem; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
.chapo { color: var(--texte-doux); font-size: 1.05rem; }
code { font-size: 0.9em; overflow-wrap: anywhere; }

footer {
  border-top: 1px solid var(--filet);
  color: var(--texte-doux);
  font-size: 0.9rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
}