/* GQ — Géométrie Qualitative · grammaire commune « constellation », déclinaison céladon/rouille.
   Zéro JavaScript requis. Sombre via prefers-color-scheme. Fontes : piles système. */
:root {
  --papier: #e7ece7;
  --papier2: #f2f5f0;
  --encre: #173a39;
  --encre2: #42544f;
  --etoile: #a94c36;
  --second: #315f80;
  --filet: rgba(23, 58, 57, .18);
  --filet-fort: rgba(23, 58, 57, .34);
  --serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia, serif;
  --mono: 'Cascadia Mono', Consolas, 'Courier New', monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --papier: #12201f;
    --papier2: #182b29;
    --encre: #d9e2dc;
    --encre2: #a7b8b0;
    --etoile: #c86a52;
    --second: #82a9c6;
    --filet: rgba(217, 226, 220, .16);
    --filet-fort: rgba(217, 226, 220, .32);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--papier);
  color: var(--encre);
  font: 400 17px/1.78 var(--serif);
}
a { color: var(--encre); text-decoration-color: var(--filet-fort); text-underline-offset: .2em; }
a:hover { color: var(--etoile); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--etoile); outline-offset: 3px; }

.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 10;
  padding: .55rem .9rem; background: var(--encre); color: var(--papier);
  font: 600 .72rem/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* ——— étiquettes ——— */
.etiquette, .voix-label, .folio, .statut-strip, .kicker, .sommaire-titre, summary.provenance-titre {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .64rem;
  font-weight: 600;
}

/* ——— masthead ——— */
.masthead {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: .5rem 2rem;
  padding: 1.1rem clamp(1.25rem, 5vw, 3rem) 0;
}
.brand { text-decoration: none; font: 600 .72rem/1.5 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.topnav { display: flex; gap: 1.6rem; font: 400 .68rem/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.topnav a { text-decoration: none; border-bottom: 1px solid var(--filet-fort); padding-bottom: .15em; }
.statut-strip {
  display: flex; flex-wrap: wrap; gap: .3rem 1.6rem;
  width: 100%;
  margin-top: .9rem; padding: .7rem 0;
  border-top: 1px solid var(--filet); border-bottom: 1px solid var(--filet);
  color: var(--encre2); font-weight: 400; letter-spacing: .12em;
}
.statut-strip span::before { content: "◇"; margin-right: .5rem; color: var(--etoile); }

/* ——— colonne de lecture ——— */
.page { max-width: 46rem; margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 2rem); }

/* ——— seuil ——— */
.seuil { padding-top: clamp(3.5rem, 9vh, 6.5rem); }
.kicker { color: var(--etoile); margin: 0 0 1.1rem; }
.seuil h1 {
  margin: 0 0 1.4rem;
  font: 400 clamp(3rem, 8vw, 4.8rem)/1 var(--serif);
  letter-spacing: -.02em;
}
.these {
  margin: 0; max-width: 30rem;
  font-style: italic; font-size: clamp(1.1rem, 2vw, 1.3rem); line-height: 1.5;
  color: var(--second);
}
.seuil-grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 260px); gap: 2.5rem 3.5rem; align-items: end; }
.figure-plans { position: relative; height: 280px; }
.figure-plans span { position: absolute; }
.plan-a { inset: 6% 28% 44% 6%; border: 1px solid var(--filet-fort); transform: rotate(-6deg); }
.plan-b { inset: 30% 10% 20% 32%; border: 1px solid var(--filet-fort); background: color-mix(in srgb, var(--second) 10%, transparent); transform: rotate(5deg); }
.plan-axe { left: 46%; top: 0; width: 1px; height: 100%; background: var(--etoile); transform: rotate(20deg); }
.intro {
  margin: 2.6rem 0 0; max-width: 34rem;
  font-size: 1.0625rem; color: var(--encre2);
}
.entree { margin: 2.2rem 0 0; font-size: .95rem; }
.entree a { text-decoration: none; border-bottom: 1px solid var(--filet-fort); }
.entree a + a { margin-left: 2rem; }

/* régime de lecture */
.regime-lecture {
  margin: clamp(3rem, 7vh, 4.5rem) 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--filet);
}
.regime-lecture .etiquette { color: var(--second); margin: 0 0 .6rem; display: block; }
.regime-lecture p { margin: 0; max-width: 34rem; font-size: .95rem; color: var(--encre2); }

/* sommaire (« le fil ») */
.sommaire { margin: clamp(3rem, 7vh, 4.5rem) 0 0; }
.sommaire-titre { color: var(--second); margin: 0 0 .9rem; display: block; }
.sommaire ol { list-style: none; margin: 0; padding: 0; }
.sommaire li { border-top: 1px solid var(--filet); }
.sommaire li:last-child { border-bottom: 1px solid var(--filet); }
.sommaire a {
  display: flex; gap: 1.2rem; align-items: baseline;
  padding: .55rem 0; text-decoration: none;
}
.sommaire .no { flex: 0 0 5.2rem; font: 400 .62rem/1.6 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--etoile); }
.sommaire .ti { font-size: 1.05rem; }

/* ——— chapitres ——— */
.silence {
  display: flex; justify-content: center; gap: 1.1rem;
  margin: clamp(4rem, 9vh, 6.5rem) 0;
  color: var(--etoile); font-size: .7rem;
}
.chapitre { position: relative; scroll-margin-top: 2rem; }
.folio {
  position: absolute; left: -3.4rem; top: .5rem;
  writing-mode: vertical-rl; transform: rotate(180deg);
  color: var(--etoile); font-weight: 400; letter-spacing: .22em;
}
.chapitre-index { margin: 0 0 .5rem; color: var(--etoile); }
.chapitre h2 {
  margin: 0 0 2rem;
  font: 400 clamp(1.9rem, 4.5vw, 2.5rem)/1.08 var(--serif);
  letter-spacing: -.015em;
}
.chapitre p { max-width: 34rem; }

/* régimes de voix — « pleine voix » */
.voix-label { display: block; margin: 2rem 0 .5rem; color: var(--second); }
.voix-label:first-of-type { margin-top: 0; }
.liaison { margin: 0 0 1rem; font-size: 1rem; line-height: 1.7; color: var(--encre2); text-wrap: pretty; }
.repere { display: block; margin: 2.6rem 0 1rem; color: var(--etoile); font: 400 .85rem/1 var(--mono); }
blockquote.citation {
  margin: 0 0 1.1rem; padding: 0; border: 0;
  font-size: 1.2rem; line-height: 1.62;
}
blockquote.citation p { margin: 0; max-width: 36rem; }
.attribution { margin: 0 0 .4rem; font-style: italic; font-size: .8rem; color: var(--encre2); }
details.provenance { margin: 1.6rem 0 0; border-top: 1px solid var(--filet); max-width: 36rem; }
summary.provenance-titre { cursor: pointer; padding: .7rem 0; color: var(--encre2); font-weight: 600; list-style: none; }
summary.provenance-titre::-webkit-details-marker { display: none; }
summary.provenance-titre::before { content: "◇ "; color: var(--etoile); }
details.provenance[open] summary.provenance-titre::before { content: "◆ "; }
details.provenance p { margin: 0 0 .8rem; font-size: .85rem; line-height: 1.6; color: var(--encre2); }

.prose-libre { margin: 2.2rem 0; padding-left: 1.1rem; border-left: 1px dotted var(--filet-fort); }
.prose-libre .voix-label { color: var(--encre2); margin-top: 0; }

/* statut en chapitre */
.statut-carte {
  margin: 2.4rem 0 0; padding: 1.1rem 1.2rem;
  border: 1px solid color-mix(in srgb, var(--etoile) 55%, transparent);
  max-width: 34rem;
}
.statut-carte .etiquette { color: var(--etoile); display: block; margin: 0 0 .4rem; }
.statut-carte strong { font-family: var(--serif); font-weight: 600; font-size: 1rem; }
.statut-carte p { margin: .3rem 0 0; font-size: .9rem; color: var(--encre2); }

.suivant { margin: 3rem 0 0; text-align: right; font-size: .95rem; }
.suivant a { text-decoration: none; border-bottom: 1px solid var(--filet-fort); color: var(--second); }
.suivant a:hover { color: var(--etoile); }

/* ——— décisions ouvertes ——— */
.decisions { padding: 0 0 1rem; }
.decisions h2 { margin: 0 0 1.6rem; font: 400 clamp(1.7rem, 4vw, 2.2rem)/1.1 var(--serif); letter-spacing: -.015em; }
.decisions details { border-top: 1px solid var(--filet); max-width: 36rem; }
.decisions details:last-of-type { border-bottom: 1px solid var(--filet); }
.decisions summary { cursor: pointer; padding: .8rem 0; font: 600 .68rem/1.5 var(--mono); letter-spacing: .12em; text-transform: uppercase; list-style: none; }
.decisions summary::-webkit-details-marker { display: none; }
.decisions summary::before { content: "◇ "; color: var(--etoile); }
.decisions details[open] summary::before { content: "◆ "; }
.decisions details p { margin: 0 0 1rem; font-size: .95rem; color: var(--encre2); max-width: 34rem; }
.decisions-pied { margin: 1.6rem 0 0; font-size: .9rem; color: var(--encre2); max-width: 34rem; }
.fin-actions { margin: 2.4rem 0 0; font-size: .95rem; }
.fin-actions a { text-decoration: none; border-bottom: 1px solid var(--filet-fort); }
.fin-actions a + a { margin-left: 2rem; }

/* ——— pied ——— */
footer {
  margin-top: clamp(4rem, 9vh, 6.5rem);
  border-top: 1px solid var(--filet-fort);
  padding: 1.6rem clamp(1.25rem, 5vw, 3rem) 2.2rem;
  font-size: .85rem; color: var(--encre2);
}
footer p { margin: 0 0 .5rem; max-width: 46rem; }
footer strong { color: var(--encre); }
footer a { color: var(--second); }

@media (max-width: 60rem) {
  .folio { display: none; }
  .seuil-grille { grid-template-columns: 1fr; }
  .figure-plans { max-width: 300px; height: 220px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  .skip-link, .topnav { display: none; }
  body { font-size: 12pt; }
}

/* blocs-source importés (V2 garnissage) */
blockquote.source-importee { margin: 2rem 0 .6rem; padding: 0 0 0 1.2rem; border: 0; border-left: 2px solid var(--etoile); max-width: 36rem; font-size: 1.05rem; line-height: 1.64; }
blockquote.source-importee p { margin: 0; }
blockquote.source-importee .voix-label { display: block; margin: 0 0 .8rem; color: var(--etoile); }
.provenance-note { font-size: .8rem; font-style: italic; max-width: 34rem; margin: 0 0 1.6rem; opacity: .75; }