/* Clausier Numérique Responsable — feuille unique, sans police téléchargée.
   Couleurs relevées sur institutnr.org (thème « ascension ») : voir docs/charte-graphique.md. */
:root {
  --bleu: #194f6e;
  --encre: #173b4f;
  --sarcelle: #147d78;
  --gris: #55707e;
  --surface: #f4f8f8;
  --filet: #d8e3e6;
  --fond: #ffffff;
  --sel: #e3f1ef;
  --rayon: 0.5rem;
  --mesure: 72ch;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--encre);
  background: var(--fond);
  line-height: 1.55;
  font-size: 100%;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--fond); }
img { max-width: 100%; }
a { color: var(--bleu); text-underline-offset: 0.15em; }
a:hover { color: var(--sarcelle); }
:focus-visible { outline: 3px solid var(--sarcelle); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.evitement { position: absolute; left: -999px; top: 0; background: var(--bleu); color: #fff; padding: .5rem 1rem; z-index: 10; }
.evitement:focus { left: 0; }

/* En-tête et pied */
.entete { border-bottom: 1px solid var(--filet); }
.entete-int { max-width: 75rem; margin: 0 auto; padding: .9rem 1rem; display: flex; flex-wrap: wrap; gap: .5rem 2rem; align-items: baseline; justify-content: space-between; }
.marque { text-decoration: none; color: var(--encre); display: flex; flex-direction: column; line-height: 1.2; }
.marque b { font-size: 1.15rem; color: var(--bleu); }
.marque span { font-size: .85rem; color: var(--gris); }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.nav a { text-decoration: none; font-weight: 600; padding: .25rem 0; display: inline-block; }
.nav a[aria-current="page"] { border-bottom: 3px solid var(--sarcelle); }
.compteur { display: inline-block; min-width: 1.5em; padding: 0 .4em; border-radius: 1em; background: var(--sarcelle); color: #fff; font-size: .8rem; text-align: center; font-variant-numeric: tabular-nums; }
.pied { margin-top: 4rem; background: var(--bleu); color: #fff; }
.pied-int { max-width: 75rem; margin: 0 auto; padding: 2rem 1rem; display: grid; gap: 1rem 3rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); font-size: .9rem; }
.pied a { color: #fff; }
.pied p { margin: 0 0 .5rem; }

/* Mise en page */
main { max-width: 75rem; margin: 0 auto; padding: 1.5rem 1rem 0; }
.texte { max-width: var(--mesure); }
h1, h2, h3 { color: var(--bleu); line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: .5rem 0 1rem; }
h2 { font-size: 1.35rem; margin: 2.2rem 0 .75rem; }
h3 { font-size: 1.1rem; margin: 1.6rem 0 .5rem; }
.chapo { font-size: 1.15rem; max-width: 60ch; }
.discret { color: var(--gris); font-size: .9rem; }
.fil { font-size: .9rem; color: var(--gris); margin: 0; }
.fil a { color: var(--gris); }

/* Accueil : matrice segments x phases */
.accueil { display: grid; gap: 2rem 3rem; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 60rem) { .accueil { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); } }
.matrice { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.matrice caption { text-align: left; font-weight: 700; color: var(--encre); padding-bottom: .5rem; }
.matrice th, .matrice td { border-bottom: 1px solid var(--filet); padding: .55rem .5rem; text-align: left; vertical-align: middle; }
.matrice thead th { font-size: .85rem; color: var(--gris); font-weight: 600; border-bottom: 2px solid var(--bleu); }
.matrice tbody th a { font-weight: 700; text-decoration: none; }
.matrice td { width: 7.5rem; }
.matrice td a { display: block; text-decoration: none; font-weight: 700; font-size: 1.15rem; padding: .15rem .5rem; border-radius: var(--rayon); }
.matrice td a:hover { background: var(--surface); }
.matrice td .vide { color: var(--gris); padding: 0 .5rem; }
.matrice tfoot td, .matrice tfoot th { font-weight: 700; border-bottom: 0; }
@media (max-width: 34rem) { .matrice td { width: auto; } .matrice th, .matrice td { padding: .5rem .3rem; } }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
.bouton { display: inline-flex; align-items: center; gap: .4rem; border: 2px solid var(--bleu); background: var(--bleu); color: #fff; border-radius: .35rem; padding: .55rem 1rem; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.bouton:hover { background: var(--encre); border-color: var(--encre); color: #fff; }
.bouton.second { background: transparent; color: var(--bleu); }
.bouton.second:hover { background: var(--surface); color: var(--encre); }
.bouton[disabled] { opacity: .5; cursor: not-allowed; }

/* Catalogue */
.catalogue { display: grid; gap: 1.5rem 2.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 56rem) { .catalogue { grid-template-columns: 16rem minmax(0, 1fr); } }
.filtres { display: none; }
.js .filtres { display: block; }
@media (min-width: 56rem) { .js .filtres { position: sticky; top: 1rem; align-self: start; } }
.filtres fieldset { border: 0; padding: 0; margin: 0 0 1.25rem; }
.filtres legend { font-weight: 700; margin-bottom: .35rem; }
.filtres label { display: flex; gap: .45rem; align-items: baseline; padding: .15rem 0; cursor: pointer; }
.filtres input[type="search"] { width: 100%; font: inherit; padding: .5rem .6rem; border: 2px solid var(--filet); border-radius: .35rem; }
.filtres input[type="search"]:focus { border-color: var(--sarcelle); }
.resultat { font-weight: 600; margin: 0 0 .5rem; min-height: 1.5em; }
.groupe h2 { margin-top: 1.8rem; }
.groupe h3 { font-size: 1rem; color: var(--encre); }
.liste { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--filet); }
.ligne { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr) auto; gap: .25rem 1rem; align-items: baseline; padding: .7rem .25rem; border-bottom: 1px solid var(--filet); }
.ligne[hidden] { display: none; }
.ligne.retenue { background: var(--sel); }
.ident { font-weight: 800; font-variant-numeric: tabular-nums; color: var(--bleu); letter-spacing: .01em; white-space: nowrap; }
.ligne a.titre { font-weight: 600; text-decoration: none; color: var(--encre); }
.ligne a.titre:hover { text-decoration: underline; color: var(--bleu); }
.ligne .precis { display: block; color: var(--gris); font-size: .9rem; }
.retenir { display: none; }
.js .retenir { display: inline-flex; }
.retenir { align-items: center; gap: .35rem; border: 2px solid var(--sarcelle); background: #fff; color: var(--sarcelle); border-radius: 2rem; padding: .2rem .75rem; font: inherit; font-size: .85rem; font-weight: 700; cursor: pointer; white-space: nowrap; }
.retenir[aria-pressed="true"] { background: var(--sarcelle); color: #fff; }
.retenir[aria-pressed="true"]::before { content: "✓"; }
@media (max-width: 34rem) {
  .ligne { grid-template-columns: minmax(0, 1fr) auto; }
  .ligne .ident { grid-column: 1 / -1; }
}

/* Fiche clause */
.fiche-tete { border-bottom: 2px solid var(--bleu); padding-bottom: 1rem; margin-bottom: 1rem; }
.fiche-tete .ident { font-size: 1.1rem; }
.fiche-tete h1 { margin-top: .25rem; }
.meta { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; margin: 0; padding: 0; list-style: none; font-size: .9rem; color: var(--gris); }
.meta b { color: var(--encre); font-weight: 600; }
.rubrique { max-width: var(--mesure); }
.rubrique h2 { font-size: 1.1rem; }
.niveaux { display: grid; gap: 0 2rem; grid-template-columns: minmax(0, 1fr); margin-top: 1rem; }
@media (min-width: 60rem) { .niveaux { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.niveau { border-top: 4px solid var(--bleu); padding-top: .25rem; }
.niveau.n2 { border-top-color: var(--sarcelle); }
.niveau.n2 h2 { color: var(--sarcelle); }
.niveau h2 { margin-top: .5rem; }
.contenu ul, .contenu ol { padding-left: 1.3rem; }
.contenu li { margin: .2rem 0; }
.contenu p { margin: .5rem 0; }
.footnotes { font-size: .85rem; color: var(--gris); margin-top: 2rem; border-top: 1px solid var(--filet); max-width: var(--mesure); }
.footnotes hr { display: none; }
.footnotes a { overflow-wrap: anywhere; }
.trace { margin-top: 2.5rem; background: var(--surface); border-radius: var(--rayon); padding: 1rem 1.25rem; max-width: var(--mesure); font-size: .9rem; }
.trace h2 { font-size: 1rem; margin-top: 0; }
.trace ul { margin: 0; padding-left: 1.2rem; }
.voisins { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; font-size: .9rem; }

/* Sélection */
.vide-selection { background: var(--surface); padding: 1.25rem; border-radius: var(--rayon); max-width: var(--mesure); }
.sel-clause { border-top: 2px solid var(--bleu); padding-top: .5rem; margin-top: 2rem; max-width: var(--mesure); }
.sel-clause h2 { margin-top: .25rem; }
.texte-brut { white-space: pre-line; }

/* Pages de texte */
.contenu blockquote { border-left: 4px solid var(--filet); margin: 1rem 0; padding: 0 1rem; }
.lexique dt { font-weight: 700; margin-top: .75rem; }
.lexique dd { margin: 0 0 0 1.25rem; }
table.simple { border-collapse: collapse; }
table.simple th, table.simple td { border-bottom: 1px solid var(--filet); padding: .4rem .6rem; text-align: left; vertical-align: top; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print {
  .entete, .pied, .filtres, .retenir, .actions, .voisins, .evitement, .no-print { display: none !important; }
  main { max-width: none; padding: 0; }
  a { color: inherit; text-decoration: none; }
  .niveaux { grid-template-columns: 1fr; }
  .sel-clause { break-inside: avoid-page; }
  body { font-size: 10.5pt; }
}