/* ==========================================================================
   PARAMEDICA GROUPE — Feuille de style principale
   Site institutionnel — Soins et services à domicile
   Sommaire :
   1. Variables & réglages généraux
   2. Réinitialisation & accessibilité de base
   3. Typographie
   4. Mise en page (conteneurs, sections, grilles)
   5. Boutons & liens
   6. En-tête & navigation
   7. Fil d'Ariane
   8. Bannière de page intérieure
   9. Section d'accueil (hero)
   10. Engagements
   11. Cartes de services
   12. Étapes d'accompagnement
   13. Section familles / CTA
   14. Valeurs
   15. Listes de contenu (icônes)
   16. Formulaires
   17. Pied de page
   18. Bouton retour en haut
   19. Page 404
   20. Utilitaires & animations
   21. Responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables & réglages généraux
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs de marque */
  --bleu-marine: #064A91;
  --bleu-profond: #003B78;
  --orange: #F57C00;
  --orange-clair: #FF9418;
  --blanc: #FFFFFF;
  --bleu-tres-clair: #F2F8FC;
  --gris-clair: #F5F6F7;
  --texte-fonce: #1A2A3A;

  /* Couleurs fonctionnelles */
  --succes: #1E7B34;
  --erreur: #C62828;
  --bordure: #E1E8ED;

  /* Typographie (polices système, aucune dépendance externe) */
  --police-titres: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --police-texte: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Rayons, ombres, transitions */
  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 24px;
  --ombre-s: 0 2px 8px rgba(6, 74, 145, 0.08);
  --ombre-m: 0 8px 24px rgba(6, 74, 145, 0.12);
  --ombre-l: 0 16px 40px rgba(6, 74, 145, 0.16);
  --transition: 0.25s ease;

  /* Largeurs */
  --largeur-max: 1200px;
  --hauteur-entete: 84px;
}

/* --------------------------------------------------------------------------
   2. Réinitialisation & accessibilité de base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hauteur-entete) + 16px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--police-texte);
  color: var(--texte-fonce);
  background-color: var(--blanc);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu-marine); text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

/* Lien d'évitement pour l'accessibilité clavier */
.lien-evitement {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bleu-marine);
  color: var(--blanc);
  padding: 12px 20px;
  z-index: 2000;
  border-radius: 0 0 var(--radius-s) 0;
  font-weight: 600;
}
.lien-evitement:focus {
  left: 0;
}

/* Focus visible clair pour tous les éléments interactifs */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Typographie
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--police-titres);
  color: var(--bleu-profond);
  line-height: 1.25;
  margin: 0 0 16px;
  font-weight: 800;
}
h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

.texte-intro {
  font-size: 1.15rem;
  color: var(--texte-fonce);
  max-width: 760px;
}

.eyebrow {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

/* --------------------------------------------------------------------------
   4. Mise en page
   -------------------------------------------------------------------------- */
.conteneur {
  width: 100%;
  max-width: var(--largeur-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}
.section--serree { padding: 48px 0; }
.section--claire { background: var(--bleu-tres-clair); }
.section--grise { background: var(--gris-clair); }
.section--marine {
  background: linear-gradient(135deg, var(--bleu-marine), var(--bleu-profond));
  color: var(--blanc);
}
.section--marine h2, .section--marine h3 { color: var(--blanc); }

.entete-section {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.entete-section--gauche {
  margin: 0 0 40px;
  text-align: left;
}

.grille {
  display: grid;
  gap: 28px;
}
.grille--2 { grid-template-columns: repeat(2, 1fr); }
.grille--3 { grid-template-columns: repeat(3, 1fr); }
.grille--4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------------------
   5. Boutons & liens
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  font-size: 1.02rem;
  font-weight: 700;
  border-radius: 50px;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
  min-height: 52px;
  line-height: 1.1;
}
.btn:hover { transform: translateY(-2px); }

.btn--primaire {
  background: var(--orange);
  color: var(--blanc);
  box-shadow: var(--ombre-s);
}
.btn--primaire:hover { background: var(--orange-clair); box-shadow: var(--ombre-m); }

.btn--secondaire {
  background: var(--blanc);
  color: var(--bleu-marine);
  border-color: var(--bleu-marine);
}
.btn--secondaire:hover { background: var(--bleu-marine); color: var(--blanc); }

.btn--sur-fonce {
  background: transparent;
  color: var(--blanc);
  border-color: var(--blanc);
}
.btn--sur-fonce:hover { background: var(--blanc); color: var(--bleu-marine); }

.btn--bloc { width: 100%; }
.btn--petit { padding: 10px 20px; min-height: 40px; font-size: 0.92rem; }

.groupe-btn {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   6. En-tête & navigation
   -------------------------------------------------------------------------- */
.entete {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--hauteur-entete);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(6px);
  box-shadow: var(--ombre-s);
  z-index: 1000;
}

.entete .conteneur {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.entete__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.entete__logo img {
  height: 58px;
  width: auto;
}

.nav-principale {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-principale ul {
  display: flex;
  list-style: none;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}
.nav-principale a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 50px;
  color: var(--texte-fonce);
  font-weight: 600;
  font-size: 0.98rem;
  transition: background-color var(--transition), color var(--transition);
}
.nav-principale a:hover,
.nav-principale a[aria-current="page"] {
  background: var(--bleu-tres-clair);
  color: var(--bleu-marine);
}

.entete__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.entete__tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--bleu-marine);
  white-space: nowrap;
}

.bouton-menu-mobile {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border: 2px solid var(--bleu-marine);
  border-radius: var(--radius-s);
  background: var(--blanc);
}
.bouton-menu-mobile span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--bleu-marine);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}
.bouton-menu-mobile[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.bouton-menu-mobile[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.bouton-menu-mobile[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

body { padding-top: var(--hauteur-entete); }

/* Panneau de navigation mobile — masqué par défaut sur ordinateur (corrige le
   débordement du menu dans le flux de la page sur les grands écrans) */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--hauteur-entete);
  left: 0; right: 0;
  bottom: 0;
  background: var(--blanc);
  padding: 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 999;
}
.nav-mobile.est-ouvert { transform: translateX(0); }
.nav-mobile ul { list-style: none; display: grid; gap: 4px; }
.nav-mobile a {
  display: block;
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bleu-profond);
  border-bottom: 1px solid var(--bordure);
}
.nav-mobile .btn { margin-top: 20px; }

/* --------------------------------------------------------------------------
   7. Fil d'Ariane
   -------------------------------------------------------------------------- */
.fil-ariane {
  background: var(--bleu-tres-clair);
  padding: 14px 0;
  font-size: 0.92rem;
}
.fil-ariane ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.fil-ariane li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--orange);
}
.fil-ariane a { color: var(--bleu-marine); font-weight: 600; }
.fil-ariane a:hover { text-decoration: underline; }
.fil-ariane li[aria-current="page"] { color: var(--texte-fonce); }

/* --------------------------------------------------------------------------
   8. Bannière de page intérieure
   -------------------------------------------------------------------------- */
.banniere-page {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--bleu-tres-clair), var(--blanc));
  border-bottom: 1px solid var(--bordure);
}
.banniere-page h1 { margin-bottom: 14px; }
.banniere-page .texte-intro { margin: 0 auto; }
.banniere-page--centree { text-align: center; }
.banniere-page--centree .texte-intro { margin: 0 auto; }

/* --------------------------------------------------------------------------
   9. Section d'accueil (hero)
   -------------------------------------------------------------------------- */
.hero {
  padding: 76px 0 64px;
  background: radial-gradient(circle at 85% 20%, rgba(245, 124, 0, 0.10), transparent 45%),
              linear-gradient(160deg, var(--bleu-tres-clair) 0%, var(--blanc) 60%);
  overflow: hidden;
}
.hero .conteneur {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero__texte { font-size: 1.18rem; max-width: 560px; margin-bottom: 32px; }
.hero__visuel {
  background: var(--blanc);
  border-radius: var(--radius-l);
  box-shadow: var(--ombre-l);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__visuel img {
  border-radius: var(--radius-m);
  width: 100%;
}

.engagements {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.engagement {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--radius-m);
  padding: 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--ombre-s);
}
.engagement__icone {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bleu-tres-clair);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bleu-marine);
}
.engagement h3 { font-size: 1rem; margin-bottom: 4px; }
.engagement p { font-size: 0.92rem; margin: 0; color: #445; }

/* --------------------------------------------------------------------------
   10. Cartes de services
   -------------------------------------------------------------------------- */
.carte-service {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--radius-m);
  padding: 30px 26px;
  box-shadow: var(--ombre-s);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.carte-service:hover {
  transform: translateY(-6px);
  box-shadow: var(--ombre-m);
}
.carte-service__icone {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-s);
  background: linear-gradient(135deg, var(--orange), var(--orange-clair));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanc);
  margin-bottom: 18px;
}
.carte-service h3 { margin-bottom: 10px; }
.carte-service p {
  color: #435367;
  flex-grow: 1;
  margin-bottom: 20px;
}
.carte-service .btn { align-self: flex-start; }

/* --------------------------------------------------------------------------
   11. Étapes d'accompagnement
   -------------------------------------------------------------------------- */
.etapes {
  counter-reset: etape;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.etape {
  position: relative;
  background: var(--blanc);
  border-radius: var(--radius-m);
  padding: 30px 24px 24px;
  border: 1px solid var(--bordure);
  box-shadow: var(--ombre-s);
}
.etape::before {
  counter-increment: etape;
  content: counter(etape);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bleu-marine);
  color: var(--blanc);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.etape h3 { font-size: 1.05rem; margin-bottom: 8px; }
.etape p { font-size: 0.94rem; color: #435367; margin: 0; }

/* --------------------------------------------------------------------------
   12. Section familles / CTA
   -------------------------------------------------------------------------- */
.cta-familles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-familles__contenu h2 { color: var(--blanc); }
.cta-familles__visuel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-l);
  padding: 32px;
}
.cta-familles__visuel ul {
  list-style: none;
  display: grid;
  gap: 14px;
}
.cta-familles__visuel li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   13. Valeurs
   -------------------------------------------------------------------------- */
.valeurs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.valeur {
  text-align: center;
  padding: 26px 16px;
  border-radius: var(--radius-m);
  background: var(--blanc);
  border: 1px solid var(--bordure);
  transition: transform var(--transition), box-shadow var(--transition);
}
.valeur:hover { transform: translateY(-4px); box-shadow: var(--ombre-s); }
.valeur__icone {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--bleu-tres-clair);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
}
.valeur h3 { font-size: 1rem; margin: 0; }

/* --------------------------------------------------------------------------
   14. Listes de contenu (pages intérieures)
   -------------------------------------------------------------------------- */
.liste-points {
  list-style: none;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}
.liste-points li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--radius-s);
  padding: 16px 18px;
}
.liste-points li .puce {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bleu-tres-clair);
  color: var(--bleu-marine);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.deux-colonnes {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.encart {
  background: var(--bleu-tres-clair);
  border-left: 5px solid var(--orange);
  border-radius: var(--radius-s);
  padding: 22px 24px;
}
.encart h3 { margin-bottom: 8px; }

/* --------------------------------------------------------------------------
   15. Formulaires
   -------------------------------------------------------------------------- */
.bloc-formulaire {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--radius-l);
  padding: 40px;
  box-shadow: var(--ombre-m);
}

.groupe-champ { margin-bottom: 22px; }
.groupe-champ--ligne {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.groupe-champ label,
.groupe-champ legend {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--bleu-profond);
}
.obligatoire { color: var(--orange); }

.groupe-champ input[type="text"],
.groupe-champ input[type="email"],
.groupe-champ input[type="tel"],
.groupe-champ input[type="date"],
.groupe-champ input[type="file"],
.groupe-champ select,
.groupe-champ textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--bordure);
  border-radius: var(--radius-s);
  font-size: 1rem;
  font-family: inherit;
  color: var(--texte-fonce);
  background: var(--blanc);
  transition: border-color var(--transition);
}
.groupe-champ input:focus,
.groupe-champ select:focus,
.groupe-champ textarea:focus {
  border-color: var(--bleu-marine);
  outline: none;
}
.groupe-champ textarea { resize: vertical; min-height: 130px; }

.aide-champ { font-size: 0.85rem; color: #5a6b7d; margin-top: 6px; }
.erreur-champ {
  font-size: 0.85rem;
  color: var(--erreur);
  margin-top: 6px;
  font-weight: 600;
  display: none;
}
.groupe-champ.est-invalide input,
.groupe-champ.est-invalide select,
.groupe-champ.est-invalide textarea {
  border-color: var(--erreur);
}
.groupe-champ.est-invalide .erreur-champ { display: block; }

fieldset {
  border: 2px solid var(--bordure);
  border-radius: var(--radius-s);
  padding: 18px 20px;
  margin: 0 0 22px;
}
.options-radio, .options-case {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
}
.options-radio label, .options-case label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--texte-fonce);
  cursor: pointer;
}
.options-radio input, .options-case input { width: 18px; height: 18px; }

.case-confidentialite {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--gris-clair);
  padding: 16px 18px;
  border-radius: var(--radius-s);
  margin-bottom: 24px;
}
.case-confidentialite input { margin-top: 4px; width: 18px; height: 18px; flex-shrink: 0; }
.case-confidentialite label { font-size: 0.92rem; color: #435367; font-weight: 500; }

/* Honeypot anti-spam (champ caché) */
.champ-piege {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

.message-etat {
  padding: 18px 22px;
  border-radius: var(--radius-s);
  margin-bottom: 24px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}
.message-etat--succes { background: #E7F5EA; color: var(--succes); border: 1px solid #B7E0BF; }
.message-etat--erreur { background: #FCEBEA; color: var(--erreur); border: 1px solid #F3B8B4; }

/* --------------------------------------------------------------------------
   16. Coordonnées / Contact
   -------------------------------------------------------------------------- */
.bloc-coordonnees {
  display: grid;
  gap: 20px;
}
.carte-coordonnee {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--radius-m);
  padding: 22px;
}
.carte-coordonnee__icone {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--bleu-tres-clair);
  color: var(--bleu-marine);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.carte-coordonnee h3 { font-size: 1rem; margin-bottom: 4px; }
.carte-coordonnee p { margin: 0; color: #435367; font-size: 0.95rem; }
.carte-coordonnee a { font-weight: 700; }

.tableau-horaires {
  width: 100%;
  border-collapse: collapse;
}
.tableau-horaires th, .tableau-horaires td {
  text-align: left;
  padding: 10px 6px;
  border-bottom: 1px solid var(--bordure);
  font-size: 0.95rem;
}
.tableau-horaires th { color: var(--bleu-profond); font-weight: 700; }

.carte-localisation {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--bordure);
  box-shadow: var(--ombre-s);
}
.carte-localisation iframe { width: 100%; height: 340px; border: 0; display: block; }

/* --------------------------------------------------------------------------
   17. Pied de page
   -------------------------------------------------------------------------- */
.pied-page {
  background: var(--bleu-profond);
  color: #DCE7F2;
  padding: 64px 0 0;
}
.pied-page a { color: #DCE7F2; }
.pied-page a:hover { color: var(--orange-clair); }

.pied-page__grille {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.pied-page__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.pied-page__logo img {
  height: 48px;
  background: var(--blanc);
  border-radius: 8px;
  padding: 4px;
}
.pied-page__logo span {
  font-weight: 800;
  color: var(--blanc);
  font-size: 1.05rem;
}
.pied-page p { color: #B9CADA; font-size: 0.92rem; }
.pied-page h4 { color: var(--blanc); font-size: 1rem; margin-bottom: 18px; }
.pied-page ul { list-style: none; display: grid; gap: 10px; }
.pied-page ul a { font-size: 0.94rem; }

.pied-page__reseaux {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.pied-page__reseaux a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: background-color var(--transition);
}
.pied-page__reseaux a:hover { background: var(--orange); }

.pied-page__bas {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.86rem;
  color: #9FB4C7;
}
.pied-page__bas ul { display: flex; gap: 18px; list-style: none; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   18. Bouton retour en haut
   -------------------------------------------------------------------------- */
.retour-haut {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bleu-marine);
  color: var(--blanc);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ombre-m);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background-color var(--transition), visibility var(--transition);
  z-index: 900;
}
.retour-haut.est-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.retour-haut:hover { background: var(--orange); }

/* --------------------------------------------------------------------------
   19. Page 404
   -------------------------------------------------------------------------- */
.page-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.page-404__code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 8px;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   20. Utilitaires & animations
   -------------------------------------------------------------------------- */
.centre { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

[data-anim] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-anim].est-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1; transform: none; transition: none; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bleu-tres-clair);
  color: var(--bleu-marine);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   21. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero .conteneur { grid-template-columns: 1fr; }
  .hero__visuel { order: -1; }
  .cta-familles { grid-template-columns: 1fr; }
  .deux-colonnes { grid-template-columns: 1fr; }
  .pied-page__grille { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-principale { display: none; }
  .entete__tel span.entete__tel-texte { display: none; }
  .bouton-menu-mobile { display: flex; }

  .nav-mobile { display: block; }

  .engagements { grid-template-columns: 1fr; }
  .valeurs { grid-template-columns: 1fr 1fr; }
  .etapes { grid-template-columns: 1fr; }
  .liste-points { grid-template-columns: 1fr; }
  .grille--3 { grid-template-columns: 1fr; }
  .grille--4 { grid-template-columns: 1fr 1fr; }
  .grille--2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .bloc-formulaire { padding: 26px; }
  .groupe-champ--ligne { grid-template-columns: 1fr; }
  .pied-page__grille { grid-template-columns: 1fr; }
  .valeurs { grid-template-columns: 1fr; }
  .grille--4 { grid-template-columns: 1fr; }
  .pied-page__bas { flex-direction: column; align-items: flex-start; }
  .entete__logo img { height: 46px; }
}

/* Impression */
@media print {
  .entete, .retour-haut, .bouton-menu-mobile, .pied-page__reseaux { display: none; }
  body { padding-top: 0; }
}