/* ==========================================================================
   INSTITUT PRIMA — feuille de style
   --------------------------------------------------------------------------
   Le système est tiré du logo lui-même :
     · anthracite #2d2c2e  = la couleur du mot « PRIMA »
     · or         #d3bc84  = la couleur du symbole
     · le geste typographique = INSTITUT (léger, espacé) / PRIMA (noir, serré)
   Aucune dépendance externe : polices auto-hébergées, pas de tracker.
   ========================================================================== */

:root {
  /* — Couleurs de marque, relevées sur le logo — */
  --anthracite:  #2d2c2e;
  --or:          #d3bc84;
  --or-clair:    #e6d6b2;
  --or-texte:    #7d6529;   /* 5.58:1 sur blanc — liens et texte doré */
  --creme:       #f7f2e8;
  --creme-pale:  #fdfbf6;
  --blanc:       #ffffff;

  /* — Neutres chauds, biaisés vers l'or — */
  --gris:        #55514d;   /* 7.86:1 */
  --gris-doux:   #7a746c;   /* 4.62:1 */
  --trait:       #e7e0d3;
  --trait-fort:  #d8cfbc;

  /* — Typographie : géométrique pour les titres (écho au logo),
       humaniste pour la lecture (héritage du site) — */
  --display: Jost, Futura, "Century Gothic", "Avenir Next", Avenir, sans-serif;
  --corps:   Hind, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;

  --largeur: 1280px;
  /* Échelle d'espacement — une seule source de vérité */
  --esp-section: clamp(56px, 6.5vw, 104px);
  --esp-bloc:    clamp(28px, 3.4vw, 48px);
  --esp-elem:    clamp(16px, 2vw, 24px);
  --gouttiere: clamp(20px, 5vw, 56px);
  --ombre: 0 1px 2px rgba(45,44,46,.04), 0 10px 30px rgba(45,44,46,.07);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--blanc);
  color: var(--gris);
  font-family: var(--corps);
  font-size: clamp(16px, .95rem + .18vw, 17.5px);
  line-height: 1.68;            /* l'original était à 1.2 : illisible */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

/* — Titres : la construction du logo, serrée et noire — */
h1, h2, h3 {
  font-family: var(--display);
  color: var(--anthracite);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.025em;
  margin: 0 0 .42em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.5rem, 1.5rem + 4.3vw, 4.6rem); }
h2 { font-size: clamp(1.85rem, 1.3rem + 2.4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + .62vw, 1.5rem); letter-spacing: -.012em; }

/* — Le pendant léger et espacé : « INSTITUT » — */
.surtitre, .etiquette {
  font-family: var(--display);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: .3em;
  margin: 0 0 18px;
}
.surtitre { font-size: .8rem; font-weight: 400; letter-spacing: .24em; color: var(--or-texte); }
.etiquette { font-size: .72rem; color: var(--gris-doux); letter-spacing: .26em; margin-bottom: 12px; }

p { margin: 0 0 1.05em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--or-texte); text-decoration: none; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--anthracite); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--or-texte); outline-offset: 3px; border-radius: 2px; }

strong { color: var(--anthracite); font-weight: 600; }
small { font-size: .84rem; color: var(--gris-doux); }

/* --- Ossature ----------------------------------------------------------- */

.wrap { width: 100%; max-width: var(--largeur); margin-inline: auto; padding-inline: var(--gouttiere); }
section { padding-block: var(--esp-section); }
section:not(.a-fond) + section:not(.a-fond) { padding-top: 0; }

.saut-contenu {
  position: absolute; left: -9999px;
  background: var(--anthracite); color: var(--blanc);
  padding: 12px 20px; z-index: 999;
}
.saut-contenu:focus { left: 16px; top: 16px; }

/* --- En-tête ------------------------------------------------------------ */

.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(150%) blur(10px);
  -webkit-backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--trait);
}
.entete .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; padding-block: 15px;
}
.marque img { width: clamp(140px, 15vw, 182px); }

.nav { display: flex; align-items: center; gap: clamp(4px, 1.5vw, 20px); flex-wrap: wrap; }
.nav a {
  font-family: var(--display); font-weight: 400;
  color: var(--gris); font-size: .88rem;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 9px 3px; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--anthracite); text-decoration: none; border-bottom-color: var(--or); }
.nav a[aria-current="page"] { color: var(--anthracite); font-weight: 600; border-bottom-color: var(--or); }

.lien-externe::after { content: "↗"; font-size: .74em; margin-left: .3em; display: inline-block; vertical-align: .1em; }

/* --- Boutons ------------------------------------------------------------ */

.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--display); font-size: .86rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 15px 30px; border: 1px solid var(--anthracite);
  background: var(--anthracite); color: var(--blanc);
  cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--or); border-color: var(--or); color: var(--anthracite); text-decoration: none; }
.btn-clair { background: transparent; color: var(--anthracite); border-color: var(--trait-fort); }
.btn-clair:hover { background: var(--anthracite); border-color: var(--anthracite); color: var(--blanc); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* --- Ouverture ---------------------------------------------------------- */

.hero { padding-block: var(--esp-section); }
.hero-grille {
  display: grid; gap: clamp(34px, 5vw, 68px);
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: start;
}
@media (max-width: 880px) { .hero-grille { grid-template-columns: 1fr; } }
.chapeau { font-size: 1.13em; color: var(--anthracite); line-height: 1.55; }

/* --- Notions (remplacent les modales jQuery) ---------------------------- */

.notions { display: grid; gap: 8px; align-content: start; }
.notion { border: 1px solid var(--trait); background: var(--blanc); transition: border-color .2s, background .2s; }
.notion:hover, .notion[open] { border-color: var(--or); }
.notion[open] { background: var(--creme-pale); }
.notion > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px;
  font-family: var(--display); font-weight: 600; font-size: 1.16rem;
  letter-spacing: .01em; color: var(--anthracite);
}
.notion > summary::-webkit-details-marker { display: none; }
.notion > summary::after {
  content: ""; width: 11px; height: 11px; flex: none;
  border-right: 1.5px solid var(--or-texte); border-bottom: 1.5px solid var(--or-texte);
  transform: rotate(45deg) translate(-3px, -3px); transition: transform .25s;
}
.notion[open] > summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.notion .corps { padding: 0 22px 20px; font-size: .96rem; }

/* --- Prestations -------------------------------------------------------- */

.prestations { display: grid; gap: clamp(30px, 3.6vw, 52px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.prestation { border-top: 2px solid var(--anthracite); padding-top: 26px; }
.prestation p { max-width: none; }
.prestation h2 { font-size: clamp(1.6rem, 1.25rem + 1.5vw, 2.2rem); margin-bottom: .35em; }
.prestation .intro {
  font-family: var(--display); font-weight: 400; font-size: 1.04rem;
  color: var(--anthracite); line-height: 1.5;
  padding: 16px 0 18px; margin-bottom: 18px; border-bottom: 1px solid var(--trait);
}
.prestation .liste { padding-left: 1.05em; margin: 0 0 1em; }
.prestation .liste li { margin-bottom: .42em; }
.prestation .liste li::marker { color: var(--or); }

/* --- Portrait ----------------------------------------------------------- */

.portrait { background: var(--creme-pale); border: 1px solid var(--trait); padding: clamp(26px, 3.6vw, 52px); }
.portrait-entete {
  display: flex; align-items: center; gap: clamp(20px, 3vw, 34px);
  padding-bottom: 28px; margin-bottom: 32px; border-bottom: 1px solid var(--trait-fort);
  flex-wrap: wrap;
}
.portrait-entete img {
  width: clamp(150px, 19vw, 230px); height: clamp(150px, 19vw, 230px);
  object-fit: cover; object-position: center 20%;
  border-radius: 50%; flex: none;
  border: 4px solid var(--blanc); box-shadow: var(--ombre);
}
.portrait-entete h2 { margin: 0 0 .22em; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); }
.portrait-entete .role { color: var(--gris); font-size: .98rem; margin: 0; max-width: 46ch; }
.portrait-colonnes p, .portrait-colonnes li { max-width: none; }
.portrait-colonnes { display: grid; gap: clamp(30px, 4vw, 58px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.titre-col {
  font-family: var(--display); font-weight: 300; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .26em; color: var(--gris-doux);
  padding-bottom: 11px; margin: 0 0 20px; border-bottom: 1px solid var(--trait-fort);
}
.biblio { list-style: none; padding: 0; margin: 0; }
.biblio li { padding-left: 18px; border-left: 2px solid var(--or); margin-bottom: 20px; }
.biblio li:last-child { margin-bottom: 0; }
.biblio strong { font-family: var(--display); font-weight: 600; font-size: 1.02rem; }
.biblio .ref { display: block; font-size: .88rem; color: var(--gris-doux); margin-top: .25em; }
.biblio .avec { display: block; font-size: .83rem; color: var(--gris-doux); margin-top: .4em; line-height: 1.5; }

/* --- Encart transversal (Santé ↔ Entreprise) ---------------------------- */

.encart {
  background: var(--creme); padding: clamp(30px, 4vw, 56px);
  display: grid; gap: clamp(26px, 3.4vw, 48px);
  grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr); align-items: center;
}
@media (max-width: 800px) { .encart { grid-template-columns: 1fr; } }
.encart h2 { margin-bottom: .28em; }
.encart .liste-simple { margin: 0 0 1.2em; padding-left: 1.05em; }
.encart .liste-simple li::marker { color: var(--or-texte); }

/* --- Qualiopi ----------------------------------------------------------- */

.qualiopi {
  border: 1px solid var(--trait); border-top: 3px solid var(--or);
  background: var(--blanc); padding: clamp(28px, 3.6vw, 48px);
  display: grid; gap: clamp(28px, 3.6vw, 52px);
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr); align-items: center;
}
@media (max-width: 780px) { .qualiopi { grid-template-columns: 1fr; justify-items: start; } }
.qualiopi-logo { max-width: 240px; width: 100%; }
.qualiopi .mention {
  font-size: 1.02rem; color: var(--anthracite);
  padding: 15px 20px; background: var(--creme); border-left: 3px solid var(--or);
  margin-bottom: 22px; max-width: none;
}
.qualiopi dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 185px), 1fr)); gap: 18px 30px; margin: 0 0 26px; }
.qualiopi dt {
  font-family: var(--display); font-weight: 300; font-size: .68rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--gris-doux); margin-bottom: 5px;
}
.qualiopi dd { margin: 0; color: var(--anthracite); font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; }

/* --- Contact ------------------------------------------------------------ */

.contact { background: var(--creme); }
.contact-grille { display: grid; gap: clamp(30px, 4vw, 60px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); align-items: start; }
.tel {
  font-family: var(--display); font-weight: 600; letter-spacing: -.02em;
  font-size: clamp(1.35rem, 1.05rem + 1.05vw, 1.75rem);
  white-space: nowrap;
  color: var(--anthracite); display: inline-block; margin-bottom: .25em;
  font-variant-numeric: tabular-nums;
}
.tel:hover { color: var(--or-texte); text-decoration: none; }
.adresse { font-style: normal; }
.espace-haut { margin-top: 18px; }
.note-fin { margin-top: 22px; }

/* --- Pied de page ------------------------------------------------------- */

.pied { background: var(--anthracite); color: #c9c2b6; padding-block: 40px; font-size: .88rem; }
.pied a { color: var(--or); }
.pied a:hover { color: var(--blanc); }
.pied .wrap { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.pied .legal { margin: 0; line-height: 1.7; max-width: 62ch; }
.pied .legal small { color: #a49c90; }
.pied .liens { display: flex; gap: 20px; flex-wrap: wrap; }
.pied .liens a {
  font-family: var(--display); text-transform: uppercase;
  letter-spacing: .1em; font-size: .78rem; font-weight: 400;
}

/* --- Mentions légales --------------------------------------------------- */

.mentions { display: grid; gap: clamp(22px, 2.8vw, 32px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr)); align-items: start; }
.bloc-legal { background: var(--blanc); border: 1px solid var(--trait); border-top: 2px solid var(--anthracite); padding: clamp(24px, 2.8vw, 32px); }
.bloc-legal h2 { font-size: clamp(1.22rem, 1.05rem + .7vw, 1.55rem); margin-bottom: .62em; }
.bloc-legal .mention {
  font-size: 1rem; color: var(--anthracite); max-width: none;
  padding: 14px 18px; background: var(--creme); border-left: 3px solid var(--or); margin-bottom: 20px;
}
.bloc-legal .btn { margin-top: 8px; }
.fiche { margin: 0; display: grid; gap: 14px; }
.fiche > div {
  display: grid; grid-template-columns: minmax(0, 36%) minmax(0, 1fr); gap: 10px 18px;
  padding-bottom: 12px; border-bottom: 1px solid var(--trait);
}
.fiche > div:last-child { border-bottom: 0; padding-bottom: 0; }
.fiche dt {
  font-family: var(--display); font-weight: 300; font-size: .68rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--gris-doux);
  padding-top: .3em; min-width: 0; overflow-wrap: anywhere;
}
.fiche dd { margin: 0; color: var(--anthracite); font-size: .97rem; min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 540px) { .fiche > div { grid-template-columns: 1fr; gap: 3px; } }

@media print {
  .entete, .pied, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ==========================================================================
   COMPOSANTS
   ========================================================================== */

/* --- Titre de section : la construction du logo ------------------------- */

.entete-section { margin-bottom: var(--esp-bloc); max-width: 62ch; }
.entete-section h2 { margin-bottom: .3em; }
.entete-section .intro-section { font-size: 1.1em; color: var(--gris); max-width: 60ch; }

.section-creme { background: var(--creme); }


/* --- Cartes-définitions (Éthologie / Comportement / Acceptance) --------- */

.definitions { display: grid; gap: 2px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); background: var(--trait-fort); border: 1px solid var(--trait-fort); }
.definition {
  background: var(--blanc); padding: clamp(26px, 3vw, 38px);
  display: flex; flex-direction: column; gap: 14px;
  transition: background .25s ease;
}
.definition:hover { background: var(--creme-pale); }
.definition .mot {
  font-family: var(--display); font-weight: 700; letter-spacing: -.03em;
  font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.1rem); color: var(--anthracite);
  line-height: 1; margin: 0;
}
.definition .mot::after {
  content: ""; display: block; width: 34px; height: 3px;
  background: var(--or); margin-top: 16px;
  transition: width .3s ease;
}
.definition:hover .mot::after { width: 60px; }
.definition p { margin: 0; font-size: .98rem; max-width: none; }

/* --- Onglets de prestations -------------------------------------------- */

.onglets-barre { display: none; }
.onglets-actifs .onglets-barre {
  display: flex; gap: 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--trait-fort); margin-bottom: var(--esp-bloc);
}
.onglet {
  appearance: none; background: none; border: 0;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  font-family: var(--display); font-weight: 600; font-size: clamp(1.05rem, .95rem + .5vw, 1.35rem);
  letter-spacing: -.01em; color: var(--gris-doux);
  padding: 14px clamp(16px, 2.2vw, 30px) 16px; cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.onglet:hover { color: var(--anthracite); }
.onglet[aria-selected="true"] { color: var(--anthracite); border-bottom-color: var(--or); }

.panneau[hidden] { display: none; }
/* Sans JS : les trois panneaux s'empilent, chacun sous son titre. */
.titre-panneau { border-top: 2px solid var(--anthracite); padding-top: 20px; margin-bottom: 22px; }
.onglets-actifs .titre-panneau { display: none; }
.panneau + .panneau { margin-top: clamp(40px, 5vw, 64px); }
.onglets-actifs .panneau + .panneau { margin-top: 0; }
.panneau {
  display: grid; gap: clamp(26px, 3.4vw, 52px);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); align-items: start;
}
@media (max-width: 840px) { .panneau { grid-template-columns: 1fr; } }

.panneau-exergue {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(1.12rem, 1rem + .7vw, 1.42rem); line-height: 1.4;
  color: var(--anthracite); letter-spacing: -.01em;
  border-left: 3px solid var(--or); padding-left: clamp(18px, 2vw, 26px);
  margin: 0; max-width: none;
}
.panneau-corps { display: grid; gap: 0; }
.panneau-corps p { max-width: 66ch; }

/* Bloc secondaire : listes et détails techniques */
.detail {
  background: var(--creme-pale); border: 1px solid var(--trait);
  padding: clamp(20px, 2.4vw, 28px); margin-top: 8px;
}
.detail .titre-detail {
  font-family: var(--display); font-weight: 300; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .22em; color: var(--gris-doux);
  margin: 0 0 14px;
}
.detail ul { margin: 0; padding-left: 1.05em; }
.detail li { margin-bottom: .5em; }
.detail li:last-child { margin-bottom: 0; }
.detail li::marker { color: var(--or); }

/* --- Repères (faits saillants du parcours) ------------------------------ */

.reperes { display: grid; gap: 2px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); background: var(--trait); border: 1px solid var(--trait); margin-bottom: var(--esp-bloc); }
.repere { background: var(--blanc); padding: 22px clamp(18px, 2vw, 26px); }
.repere dt {
  font-family: var(--display); font-weight: 700; letter-spacing: -.02em;
  font-size: 1.28rem; color: var(--anthracite); margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.repere dd { margin: 0; font-size: .88rem; color: var(--gris); line-height: 1.45; }

/* --- Publications ------------------------------------------------------- */

.publications { display: grid; gap: 2px; background: var(--trait); border: 1px solid var(--trait); }
.publication {
  background: var(--blanc); padding: clamp(18px, 2.2vw, 24px);
  display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: clamp(14px, 2vw, 24px);
  align-items: start; transition: background .22s ease;
}
.publication:hover { background: var(--creme-pale); }
@media (max-width: 520px) { .publication { grid-template-columns: 1fr; gap: 6px; } }
.publication .annee {
  font-family: var(--display); font-weight: 700; font-size: 1.32rem;
  color: var(--or-texte); letter-spacing: -.02em; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.publication .titre-pub {
  font-family: var(--display); font-weight: 600; font-size: 1.05rem;
  color: var(--anthracite); letter-spacing: -.01em; display: block; margin-bottom: 4px;
}
.publication .ref { display: block; font-size: .87rem; color: var(--gris); }
.publication .avec { display: block; font-size: .82rem; color: var(--gris-doux); margin-top: 8px; line-height: 1.5; }
.publication details > summary {
  list-style: none; cursor: pointer; font-size: .8rem; color: var(--or-texte);
  margin-top: 8px; font-family: var(--display); letter-spacing: .04em;
}
.publication details > summary::-webkit-details-marker { display: none; }
.publication details > summary::after { content: " +"; }
.publication details[open] > summary::after { content: " −"; }

/* --- Révélation au défilement (discrète) -------------------------------- */

.reveler { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveler.vu { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveler { opacity: 1; transform: none; transition: none; } }
.no-js .reveler { opacity: 1; transform: none; }

/* En-tête de section en duo : titre à gauche, propos à droite */
.entete-duo {
  max-width: none;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(22px, 4vw, 64px); align-items: start;
}
@media (max-width: 820px) { .entete-duo { grid-template-columns: 1fr; } }
.entete-duo h2 { margin-bottom: 0; }

/* ==========================================================================
   MOBILE
   ========================================================================== */

/* Bouton de menu — affiché uniquement si le JS a pris la main */
.burger {
  display: none;
  appearance: none; background: none; border: 1px solid var(--trait-fort);
  width: 46px; height: 46px; padding: 0; cursor: pointer;
  align-items: center; justify-content: center; flex: none;
}
.burger:hover { border-color: var(--or); }
.burger span, .burger span::before, .burger span::after {
  content: ""; display: block; width: 20px; height: 1.5px;
  background: var(--anthracite); transition: transform .25s ease, opacity .2s ease;
}
.burger span { position: relative; }
.burger span::before { position: absolute; top: -6px; }
.burger span::after  { position: absolute; top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 820px) {
  /* Le motif d'ouverture n'apporte rien sur un petit écran : 350 px de perdus */
  .hero-motif { display: none; }

  .entete .wrap { padding-block: 11px; }
  .marque img { width: 132px; }

  /* Menu déroulant, une fois le JS actif */
  .nav-js .burger { display: inline-flex; }
  .nav-js .nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--blanc); border-bottom: 1px solid var(--trait);
    box-shadow: 0 12px 28px rgba(45,44,46,.10);
    padding: 6px var(--gouttiere) 14px;
  }
  .nav-js .nav.ouvert { display: flex; }
  .nav-js .nav a {
    padding: 15px 2px; border-bottom: 1px solid var(--trait);
    border-top: 0; font-size: .95rem;
  }
  .nav-js .nav a:last-child { border-bottom: 0; }
  .nav-js .nav a[aria-current="page"] { border-bottom-color: var(--trait); color: var(--or-texte); }
  .entete { position: sticky; }
  .entete .wrap { position: relative; }

  /* Onglets : défilement horizontal plutôt que retour à la ligne */
  .onglets-actifs .onglets-barre {
    flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .onglets-actifs .onglets-barre::-webkit-scrollbar { display: none; }
  .onglet { white-space: nowrap; }

  /* Cibles tactiles : 44 px minimum (les « Ouvrage collectif » faisaient 21 px) */
  .publication details > summary { padding: 12px 0; margin-top: 4px; }
  .notion > summary { padding-block: 16px; }
}

@media (max-width: 480px) {
  .portrait-entete { gap: 18px; }
  .portrait-entete img { width: 118px; height: 118px; }
  .btn { width: 100%; justify-content: center; }
  .actions { gap: 10px; }
  .publication { grid-template-columns: 1fr; }
  .publication .annee { font-size: 1.05rem; color: var(--or-texte); }
}

/* Cibles tactiles confortables au doigt (WCAG 2.5.8 : 24 px minimum, 44 visé) */
@media (max-width: 820px) {
  .tel { padding-block: 6px; }
  .contact a[href^="mailto"], .contact a[href^="tel"], .contact .lien-externe {
    display: inline-block; padding-block: 9px;
  }
  .pied .liens { gap: 4px 22px; }
  .pied .liens a { display: inline-block; padding-block: 11px; }
  .pied .legal a { display: inline-block; padding-block: 6px; }
  .bloc-legal a, .mentions a { padding-block: 3px; }
}
@media (max-width: 820px) {
  .note-fin a { display: inline-block; padding-block: 4px; }
}