/* ==========================================================================
   PROXICITÉ — Feuille de style principale
   Palette : bleu profond / blanc / gris clair / touches de vert
   ========================================================================== */

:root {
  /* Couleurs — charte issue du logo PROXICITÉ
     (marine #0B3A5C, vert #59A52C, rouge drapeau #DD3B42) */
  --bleu-nuit: #06263F;
  --bleu-profond: #0B3A5C;
  --bleu-fonce: #10476E;
  --bleu: #14568A;
  --bleu-vif: #1B6FB2;
  --bleu-pale: #E7F0F8;
  --vert: #55A02C;
  --vert-vif: #6CBB3C;
  --vert-pale: #EDF6E4;
  --rouge-drapeau: #DD3B42;
  --gris-100: #F5F7FA;
  --gris-200: #EBEFF4;
  --gris-300: #D5E0EA;
  --texte: #24344A;
  --texte-doux: #52647C;
  --blanc: #FFFFFF;

  /* Typographie */
  --police: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* Rythme */
  --rayon: 16px;
  --rayon-petit: 10px;
  --ombre: 0 8px 30px rgba(11, 42, 82, 0.10);
  --ombre-forte: 0 16px 48px rgba(11, 42, 82, 0.16);
  --transition: 220ms ease;
  --largeur-max: 1180px;
}

/* ------------------------------ Base ------------------------------ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--police);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--texte);
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; }

h1, h2, h3 {
  line-height: 1.2;
  color: var(--bleu-profond);
  margin: 0 0 0.6em;
  font-weight: 800;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.18rem; font-weight: 700; }

p { margin: 0 0 1em; }

a { color: var(--bleu); }
a:hover { color: var(--bleu-vif); }

.container {
  width: min(var(--largeur-max), 100% - 2.5rem);
  margin-inline: auto;
}

/* Accessibilité : lien d'évitement */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bleu-profond);
  color: var(--blanc);
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 var(--rayon-petit) 0;
  z-index: 200;
}
.skip-link:focus { left: 0; color: var(--blanc); }

:focus-visible {
  outline: 3px solid var(--bleu-vif);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Respect des préférences de mouvement réduit (RGAA) */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ------------------------------ Finitions éditoriales ------------------------------ */

/* Titres : équilibrage des lignes (évite les mots orphelins) */
h1, h2, h3 { text-wrap: balance; }

/* Paragraphes éditoriaux : justifiés avec césure française, rendu "imprimé" */
.manifeste p,
.presentation__texte p,
.vision__texte p,
.canicule__texte .texte-fort,
.acteur__contenu p,
.solution__description > p,
.solution__detail p,
.usagers-carte__contenu > p,
.page-legale p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  text-wrap: pretty;
}
/* Les libellés courts restent en drapeau (justifier une ligne courte crée des trous) */
.formulaire__rgpd, .photo-cadre__badge, .detail__label { text-align: left; }

/* Interlignage éditorial légèrement plus aéré sur les blocs longs */
.manifeste p, .acteur__contenu p { line-height: 1.75; }

/* Micro-détails de qualité perçue */
::selection { background: var(--bleu-vif); color: var(--blanc); }
body { -webkit-tap-highlight-color: transparent; }
.carte:hover .carte__icone { transform: scale(1.06); }
.carte__icone { transition: transform var(--transition); }
.footer__nav a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform var(--transition), box-shadow var(--transition),
              background-color var(--transition), color var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primaire {
  background: linear-gradient(120deg, var(--bleu-vif), var(--bleu));
  color: var(--blanc);
  box-shadow: 0 8px 22px rgba(45, 114, 210, 0.35);
}
.btn--primaire:hover { color: var(--blanc); box-shadow: 0 12px 28px rgba(45, 114, 210, 0.45); }

.btn--secondaire {
  background: var(--blanc);
  color: var(--bleu-profond);
  border-color: var(--gris-300);
}
.btn--secondaire:hover { border-color: var(--bleu-vif); color: var(--bleu-vif); }

.btn--vert {
  background: linear-gradient(120deg, var(--vert-vif), var(--vert));
  color: var(--blanc);
  box-shadow: 0 8px 22px rgba(23, 169, 123, 0.35);
}
.btn--vert:hover { color: var(--blanc); box-shadow: 0 12px 28px rgba(23, 169, 123, 0.45); }

.btn--large { width: 100%; padding: 1rem 1.7rem; font-size: 1.05rem; }
.btn--petit { padding: 0.5rem 1.1rem; font-size: 0.92rem; }

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

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header--reduit {
  border-color: var(--gris-200);
  box-shadow: 0 4px 20px rgba(11, 42, 82, 0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.logo__mark { width: 46px; height: auto; flex: none; }
.logo__bloc { display: flex; flex-direction: column; line-height: 1.15; }
.logo__text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--bleu-profond);
}
.logo__accent { color: var(--vert); }
.logo__devise {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texte-doux);
  border-top: 2px solid var(--bleu-profond);
  padding-top: 3px;
  margin-top: 2px;
  position: relative;
}
.logo__devise::after {
  content: "";
  position: absolute;
  top: -2px;
  right: 0;
  width: 14px;
  height: 2px;
  background: var(--rouge-drapeau);
}
.logo--clair .logo__text { color: var(--blanc); }
.logo--clair .logo__accent { color: var(--vert-vif); }
.logo--clair .logo__devise { color: #A9BEDC; border-top-color: #A9BEDC; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  position: relative;
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  color: var(--texte);
  text-decoration: none;
  transition: color var(--transition);
}
/* Filet dégradé qui s'étire depuis le centre au survol */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bleu-vif), var(--vert));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 260ms ease;
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--bleu-profond); }
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); }
.nav__link--cta::after { display: none; }

.nav__link--cta {
  background: linear-gradient(120deg, var(--bleu-vif), var(--bleu));
  color: var(--blanc);
  margin-left: 0.4rem;
}
.nav__link--cta:hover { background: var(--bleu); color: var(--blanc); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 10px;
  background: none;
  border: 2px solid var(--gris-300);
  border-radius: var(--rayon-petit);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  height: 2.5px;
  border-radius: 2px;
  background: var(--bleu-profond);
  transition: transform var(--transition), opacity var(--transition);
}

/* ------------------------------ Héros ------------------------------ */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3rem, 6vw, 5rem);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px 420px at 12% -10%, rgba(45, 114, 210, 0.10), transparent 65%),
    radial-gradient(700px 460px at 95% 15%, rgba(23, 169, 123, 0.10), transparent 65%),
    linear-gradient(180deg, var(--gris-100), var(--blanc) 70%);
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blanc);
  border: 1px solid var(--gris-300);
  color: var(--bleu-profond);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  box-shadow: var(--ombre);
}
.hero__badge svg { width: 18px; height: 18px; color: var(--vert); }

.texte-degrade {
  background: linear-gradient(120deg, var(--bleu-vif), var(--vert));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  font-size: 1.16rem;
  color: var(--texte-doux);
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  list-style: none;
  padding: 0;
  margin: 1.8rem 0 0;
  color: var(--texte-doux);
  font-weight: 600;
  font-size: 0.95rem;
}
.hero__points li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--vert);
  margin-right: 0.55rem;
  vertical-align: 2px;
}

/* ------------------------------ Photo du héros + pastilles ------------------------------ */

.hero__illustration { position: relative; }

.hero__photo {
  margin: 0;
  border-radius: calc(var(--rayon) + 8px);
  overflow: hidden;
  box-shadow: var(--ombre-forte);
  border: 4px solid var(--blanc);
}
.hero__photo img { display: block; width: 100%; height: auto; object-fit: cover; }

/* Variante ronde de la photo du héros — cadre transparent */
.hero__photo--ronde {
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  max-width: 470px;
  margin-inline: auto;
  border: 10px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.45);
  box-shadow:
    0 0 0 1px rgba(45, 114, 210, 0.18),
    0 0 0 14px rgba(45, 114, 210, 0.07),
    0 0 0 28px rgba(23, 169, 123, 0.05),
    var(--ombre-forte);
}
.hero__photo--ronde img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% 36%;
  border-radius: 50%;
}

.hero__chips {
  list-style: none;
  padding: 0;
  margin: 0;
}
.chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--blanc);
  border: 1px solid var(--gris-300);
  box-shadow: var(--ombre);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--bleu-profond);
  white-space: nowrap;
}
.chip svg { width: 18px; height: 18px; color: var(--vert); flex: none; }
.chip--1 { top: -6px; left: 8%; animation: flotte 5.5s ease-in-out infinite; }
.chip--2 { top: 20%; right: -12px; animation: flotte 6.5s ease-in-out 0.6s infinite; }
.chip--3 { top: 44%; left: -18px; animation: flotte 7s ease-in-out 1.2s infinite; }
.chip--4 { bottom: 24%; right: -8px; animation: flotte 6s ease-in-out 1.8s infinite; }
.chip--5 { bottom: 6%; left: 0; animation: flotte 6.8s ease-in-out 2.2s infinite; }
/* Les usagers au centre du cercle : le point de convergence de tous les acteurs */
.chip--6 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Pastille accentuée : les usagers, centre d'intérêt de l'écosystème */
.chip--accent {
  background: linear-gradient(120deg, var(--vert-vif), var(--vert));
  border-color: transparent;
  color: var(--blanc);
  font-size: 1rem;
  padding: 0.6rem 1.3rem;
  box-shadow: 0 10px 26px rgba(85, 160, 44, 0.45);
}
.chip--accent svg { color: var(--blanc); }

/* Ondes rayonnantes : l'œil est attiré vers les usagers */
.chip--accent::before,
.chip--accent::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  border: 2px solid rgba(108, 187, 60, 0.65);
  animation: onde 2.8s ease-out infinite;
  pointer-events: none;
}
.chip--accent::after { animation-delay: 1.4s; }

@keyframes onde {
  0%   { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* Info-bulles : le rôle de chaque acteur au survol / focus clavier */
.chip { cursor: help; }
.chip:focus-visible { outline: 3px solid var(--bleu-vif); outline-offset: 3px; }

.chip__info {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: max-content;
  max-width: 240px;
  background: var(--bleu-profond);
  color: var(--blanc);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.45;
  white-space: normal;
  text-align: left;
  padding: 0.6rem 0.85rem;
  border-radius: var(--rayon-petit);
  box-shadow: 0 12px 30px rgba(6, 38, 63, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 6;
}
.chip__info::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bleu-profond);
}
.chip:hover .chip__info,
.chip:focus .chip__info {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.chip:hover,
.chip:focus {
  z-index: 7;
}
.chip--accent .chip__info { background: #3E7F1F; }
.chip--accent .chip__info::before { background: #3E7F1F; }

/* Ancrage des bulles près des bords du cercle */
.chip--2 .chip__info, .chip--4 .chip__info { left: auto; right: 0; transform: translateY(-6px); }
.chip--2:hover .chip__info, .chip--2:focus .chip__info,
.chip--4:hover .chip__info, .chip--4:focus .chip__info { transform: translateY(0); }
.chip--2 .chip__info::before, .chip--4 .chip__info::before { left: auto; right: 22px; transform: rotate(45deg); }
.chip--3 .chip__info, .chip--5 .chip__info { left: 0; transform: translateY(-6px); }
.chip--3:hover .chip__info, .chip--3:focus .chip__info,
.chip--5:hover .chip__info, .chip--5:focus .chip__info { transform: translateY(0); }
.chip--3 .chip__info::before, .chip--5 .chip__info::before { left: 22px; transform: rotate(45deg); }
/* La bulle des usagers s'ouvre vers le haut (pastille en bas du cercle) */
.chip--6 .chip__info { top: auto; bottom: calc(100% + 10px); transform: translateX(-50%) translateY(6px); }
.chip--6:hover .chip__info, .chip--6:focus .chip__info { transform: translateX(-50%) translateY(0); }
.chip--6 .chip__info::before { top: auto; bottom: -5px; }

/* ------------------------------ Photos encadrées (vision, canicule) ------------------------------ */

.photo-cadre {
  position: relative;
  margin: 0;
  border-radius: calc(var(--rayon) + 8px);
  overflow: visible;
}
.photo-cadre img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--rayon) + 8px);
  box-shadow: var(--ombre-forte);
}
.photo-cadre--bleu img { border: 4px solid var(--bleu-pale); }
.photo-cadre--vert img { border: 4px solid var(--vert-pale); }

.photo-cadre__badge {
  position: absolute;
  bottom: -20px;
  left: 1.2rem;
  right: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--blanc);
  border: 1px solid var(--gris-300);
  border-radius: 999px;
  box-shadow: var(--ombre);
  padding: 0.55rem 1.1rem;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--bleu-profond);
}
.photo-cadre__badge svg { width: 20px; height: 20px; color: var(--vert); flex: none; }
.photo-cadre__badge--alerte svg { color: #E4574F; animation: sonne 5s ease-in-out infinite; transform-origin: center; }

/* ------------------------------ Personas (Pour qui ?) ------------------------------ */

.personas-grille {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
}

.persona {
  background: var(--blanc);
  border: 1px solid var(--gris-200);
  border-radius: var(--rayon);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.persona:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); }

.persona__photo {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gris-100);
}
.persona__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.persona:hover .persona__photo img { transform: scale(1.05); }
.persona__photo--drapeaux { object-position: 65% 30%; }

.persona__corps { padding: 1.2rem 1.3rem 1.4rem; }
.persona__corps h3 { margin-bottom: 0.4rem; }
.persona__corps p { margin: 0; color: var(--texte-doux); font-size: 0.95rem; }

/* Carte pleine largeur : les usagers (section Pour qui ?) */
.persona-usagers {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: linear-gradient(130deg, var(--vert) 0%, #3E7F1F 100%);
  color: #F2FAEC;
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(85, 160, 44, 0.35);
}
.persona-usagers__photo { min-height: 260px; }
.persona-usagers__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% 40%;
  display: block;
}
.persona-usagers__corps { padding: clamp(1.5rem, 3.5vw, 2.4rem); }
.persona-usagers__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blanc);
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 0.8rem;
}
.persona-usagers__badge svg { width: 16px; height: 16px; }
.persona-usagers h3 { color: var(--blanc); font-size: 1.45rem; margin-bottom: 0.6rem; }
.persona-usagers p { margin-bottom: 1em; }
.persona-usagers .usagers-carte__apports { margin-bottom: 1.1rem; }
.persona-usagers__signature {
  font-style: italic;
  margin-bottom: 0 !important;
  border-left: 3px solid rgba(255, 255, 255, 0.5);
  padding-left: 1rem;
}

/* ------------------------------ Sections ------------------------------ */

.section { padding-block: clamp(3.2rem, 7vw, 5.5rem); }
.section--grise { background: var(--gris-100); }

.section--sombre {
  background:
    radial-gradient(800px 500px at 85% 0%, rgba(43, 182, 138, 0.14), transparent 60%),
    linear-gradient(160deg, var(--bleu-nuit), var(--bleu-fonce));
  color: #C9D8EE;
}
.section--sombre h2, .section--sombre h3 { color: var(--blanc); }

.section__entete {
  max-width: 46rem;
  margin: 0 auto clamp(2rem, 4.5vw, 3.2rem);
  text-align: center;
}
.section__entete--claire .section__intro { color: #A9BEDC; }

.surtitre {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bleu-vif);
  background: var(--bleu-pale);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.surtitre--vert { color: var(--vert); background: rgba(43, 182, 138, 0.14); }

.section__intro { color: var(--texte-doux); font-size: 1.1rem; }

.texte-fort { font-size: 1.15rem; font-weight: 600; color: var(--bleu-profond); }
.section--sombre .texte-fort { color: var(--blanc); }

/* ------------------------------ Manifeste ------------------------------ */

.section--manifeste {
  padding-block: clamp(2.6rem, 5.5vw, 4.2rem);
  background: linear-gradient(180deg, var(--blanc), var(--gris-100));
  border-top: 1px solid var(--gris-200);
}

.manifeste {
  max-width: 50rem;
  text-align: center;
}
.manifeste p {
  font-size: 1.13rem;
  color: var(--texte);
  margin-bottom: 1.4em;
}
.manifeste p:first-of-type {
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--bleu-profond);
}
.manifeste p:last-of-type { margin-bottom: 0; }
.manifeste strong { color: var(--bleu); }

/* Masquage visuel accessible (RGAA) */
.visuellement-cache {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------ Présentation ------------------------------ */

.presentation__grille {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.presentation__maitrise {
  background: linear-gradient(160deg, var(--bleu-pale), var(--gris-100));
  border: 1px solid var(--gris-300);
  border-radius: var(--rayon);
  padding: 1.8rem 2rem;
}
.presentation__maitrise h3 { margin-bottom: 1rem; }

.liste-coches {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}
.liste-coches li { padding-left: 1.9rem; position: relative; }
.liste-coches li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 1.15em;
  height: 1.15em;
  border-radius: 50%;
  background: var(--vert) url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"%3E%3Cpath d="M7 12.5l3.2 3.2L17 9" fill="none" stroke="white" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/%3E%3C/svg%3E') center/70% no-repeat;
}

.liste-coches--deux-colonnes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.5rem;
}

/* ------------------------------ Cartes engagements ------------------------------ */

.cartes-grille {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.carte {
  background: var(--blanc);
  border: 1px solid var(--gris-200);
  border-radius: var(--rayon);
  padding: 1.7rem 1.6rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.carte:hover {
  transform: translateY(-6px);
  box-shadow: var(--ombre-forte);
  border-color: var(--gris-300);
}

.carte__icone {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--bleu-pale);
  color: var(--bleu);
  margin-bottom: 1.1rem;
}
.carte__icone svg { width: 28px; height: 28px; }
.carte__icone--vert { background: var(--vert-pale); color: var(--vert); }

.carte h3 { margin-bottom: 0.4rem; }
.carte p { margin: 0; color: var(--texte-doux); font-size: 0.98rem; }

/* ------------------------------ Vision ------------------------------ */

.vision__grille {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.vision__texte .btn { margin-top: 0.8rem; }

/* ------------------------------ Solutions ------------------------------ */

.solution__vitrine {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 4.5vw, 3.5rem);
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--rayon) + 6px);
  padding: clamp(1.6rem, 4vw, 2.8rem);
}

.solution__consigne {
  font-size: 0.9rem;
  color: #A9BEDC;
  font-style: italic;
  margin-bottom: 0.6rem;
}

.solution__etiquettes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.4rem 0 1.2rem;
}
.solution__etiquettes button {
  display: inline-block;
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #DDE9FA;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), border-color var(--transition);
}
.solution__etiquettes button:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}
.solution__etiquettes button[aria-selected="true"] {
  background: linear-gradient(120deg, var(--vert-vif), var(--vert));
  border-color: transparent;
  color: var(--blanc);
  box-shadow: 0 6px 18px rgba(85, 160, 44, 0.4);
}
.solution__etiquettes button:focus-visible {
  outline: 3px solid var(--vert-vif);
  outline-offset: 2px;
}

.solution__detail {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 4px solid var(--vert-vif);
  border-radius: var(--rayon);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.6rem;
  font-size: 0.97rem;
}
.solution__detail [role="tabpanel"] > p:first-child {
  color: var(--blanc);
  font-weight: 600;
}
.solution__detail p { margin-bottom: 0.9em; }
.solution__detail p:last-child { margin-bottom: 0; }

.detail__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vert-vif);
  margin-bottom: 0.2rem;
}
.etiquette--ia:not([aria-selected="true"]) {
  background: linear-gradient(120deg, rgba(108, 187, 60, 0.3), rgba(85, 160, 44, 0.2)) !important;
  border-color: rgba(108, 187, 60, 0.55) !important;
  color: #D3EFBC !important;
}

.solution__apercu svg {
  display: block;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.35));
}

.solutions__futures {
  margin-top: clamp(2.2rem, 5vw, 3.4rem);
  text-align: center;
}
.solutions__futures h3 { font-size: 1.35rem; }
.solutions__futures p { color: #A9BEDC; }

.futures__liste {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
}
.futures__liste li {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1.5px dashed rgba(255, 255, 255, 0.35);
  color: #DDE9FA;
  font-weight: 600;
  font-size: 0.95rem;
}
.futures__plus { border-style: solid !important; opacity: 0.75; }

/* ------------------------------ Canicule / Grand froid ------------------------------ */

.canicule__grille {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.canicule__texte .liste-coches { margin: 1.4rem 0 1.6rem; }

.encart-reglementaire {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--vert-pale);
  border-left: 5px solid var(--vert);
  border-radius: var(--rayon-petit);
  padding: 1.1rem 1.3rem;
}
.encart-reglementaire svg { width: 30px; height: 30px; flex: none; color: var(--vert); margin-top: 0.15rem; }
.encart-reglementaire p { margin: 0; font-size: 0.99rem; }

.canicule__cta { margin-top: 1.6rem; }

/* ------------------------------ Pourquoi ------------------------------ */

.pourquoi-grille {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.pourquoi__item {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  background: var(--blanc);
  border: 1px solid var(--gris-200);
  border-radius: var(--rayon);
  padding: 1.05rem 1.2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pourquoi__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--bleu-vif), var(--vert));
  opacity: 0;
  transition: opacity var(--transition);
}
.pourquoi__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--ombre);
  border-color: var(--gris-300);
}
.pourquoi__item:hover::before { opacity: 1; }

.pourquoi__icone {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bleu-pale);
  color: var(--bleu);
  transition: background-color var(--transition), color var(--transition);
}
.pourquoi__icone svg { width: 24px; height: 24px; }
.pourquoi__icone--vert { background: var(--vert-pale); color: var(--vert); }

.pourquoi__item p { margin: 0; font-weight: 700; color: var(--bleu-profond); font-size: 0.97rem; }

/* ------------------------------ Acteurs (cartes dépliables) ------------------------------ */

.acteurs {
  max-width: 56rem;
  margin-inline: auto;
  display: grid;
  gap: 0.85rem;
}

.acteur {
  background: var(--blanc);
  border: 1px solid var(--gris-200);
  border-radius: var(--rayon);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.acteur:hover { border-color: var(--gris-300); box-shadow: var(--ombre); }
.acteur[open] { box-shadow: var(--ombre); border-color: var(--gris-300); }

.acteur summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.3rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.acteur summary::-webkit-details-marker { display: none; }
.acteur summary:focus-visible { outline: 3px solid var(--bleu-vif); outline-offset: -3px; }

.acteur__titres { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.acteur__nom { font-weight: 800; color: var(--bleu-profond); font-size: 1.05rem; }
.acteur__accroche { color: var(--texte-doux); font-size: 0.92rem; font-weight: 600; }

.acteur__chevron {
  width: 22px;
  height: 22px;
  flex: none;
  margin-left: auto;
  color: var(--texte-doux);
  transition: transform var(--transition);
}
.acteur[open] .acteur__chevron { transform: rotate(180deg); }

.acteur__contenu {
  padding: 0.2rem 1.4rem 1.5rem calc(1.3rem + 46px + 1rem);
  color: var(--texte);
  font-size: 0.99rem;
}
.acteur__contenu .liste-coches { margin: 0.8rem 0 1rem; }
.acteur__contenu p:last-child { margin-bottom: 0; }

/* Petites étiquettes compactes (directions, exigences…) */
.chips-liste {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 1rem;
}
.chips-liste li {
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: var(--gris-100);
  border: 1px solid var(--gris-300);
  color: var(--bleu-profond);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Carte finale : les usagers */
.usagers-carte {
  max-width: 56rem;
  margin: 1.6rem auto 0;
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  background: linear-gradient(130deg, var(--vert) 0%, #3E7F1F 100%);
  color: #F2FAEC;
  border-radius: calc(var(--rayon) + 4px);
  padding: clamp(1.5rem, 3.5vw, 2.3rem);
  box-shadow: 0 16px 44px rgba(85, 160, 44, 0.35);
}
.usagers-carte__icone {
  flex: none;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.16);
  color: var(--blanc);
}
.usagers-carte__icone svg { width: 30px; height: 30px; }
.usagers-carte h3 { color: var(--blanc); font-size: 1.3rem; margin-bottom: 0.6rem; }
.usagers-carte p { margin-bottom: 1em; }
.usagers-carte strong { color: var(--blanc); }

.usagers-carte__apports {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.1rem;
}
.usagers-carte__apports li {
  padding: 0.32rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--blanc);
  font-size: 0.88rem;
  font-weight: 600;
}
.usagers-carte__signature {
  font-style: italic;
  margin-bottom: 0 !important;
  border-left: 3px solid rgba(255, 255, 255, 0.5);
  padding-left: 1rem;
}

/* ------------------------------ Valeurs ------------------------------ */

.section--valeurs {
  background:
    radial-gradient(700px 400px at 10% 100%, rgba(45, 114, 210, 0.16), transparent 60%),
    linear-gradient(140deg, var(--bleu-profond), var(--bleu-nuit));
  color: #C9D8EE;
}

.valeurs__liste {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.valeurs__liste button {
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--blanc);
  font-weight: 700;
  font-size: 1.02rem;
  font-family: inherit;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
}
.valeurs__liste button::before {
  content: "✔";
  color: var(--vert-vif);
  margin-right: 0.6rem;
}
.valeurs__liste button:hover {
  transform: translateY(-3px) scale(1.03);
  background: rgba(108, 187, 60, 0.18);
  border-color: rgba(108, 187, 60, 0.5);
}
.valeurs__liste button[aria-selected="true"] {
  background: linear-gradient(120deg, var(--vert-vif), var(--vert));
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(85, 160, 44, 0.4);
}
.valeurs__liste button[aria-selected="true"]::before { color: var(--blanc); }
.valeurs__liste button:focus-visible {
  outline: 3px solid var(--vert-vif);
  outline-offset: 2px;
}

.valeurs__detail {
  max-width: 46rem;
  margin: 1.8rem auto 0;
}

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

.contact__grille {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact__points {
  list-style: none;
  padding: 0;
  margin: 1.6rem 0 0;
  display: grid;
  gap: 0.9rem;
}
.contact__points li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  color: var(--bleu-profond);
}
.contact__points svg { width: 24px; height: 24px; flex: none; color: var(--vert); }

.formulaire {
  background: var(--blanc);
  border: 1px solid var(--gris-200);
  border-radius: calc(var(--rayon) + 4px);
  box-shadow: var(--ombre);
  padding: clamp(1.5rem, 3.5vw, 2.4rem);
}

.formulaire__ligne {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.champ { margin-bottom: 1.1rem; }
.champ label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: var(--bleu-profond);
}
.champ label span { color: #C0392B; }

.champ input,
.champ select,
.champ textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border: 1.5px solid var(--gris-300);
  border-radius: var(--rayon-petit);
  font-family: inherit;
  font-size: 1rem;
  color: var(--texte);
  background: var(--gris-100);
  transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--bleu-vif);
  background: var(--blanc);
  box-shadow: 0 0 0 4px rgba(45, 114, 210, 0.14);
}
.champ input[aria-invalid="true"],
.champ select[aria-invalid="true"],
.champ textarea[aria-invalid="true"] {
  border-color: #C0392B;
  background: #FDF3F2;
}
.champ textarea { resize: vertical; min-height: 120px; }

.formulaire__rgpd { font-size: 0.85rem; color: var(--texte-doux); }

.formulaire__statut {
  margin: 0.9rem 0 0;
  font-weight: 700;
  min-height: 1.4em;
}
.formulaire__statut--ok { color: var(--vert); }
.formulaire__statut--erreur { color: #C0392B; }

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

.footer {
  background: var(--bleu-nuit);
  color: #A9BEDC;
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

.footer__grille {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer__marque p { margin-top: 1rem; font-size: 0.97rem; max-width: 22rem; }
.footer__france { font-weight: 600; color: #DDE9FA; }

.footer__nav h3 {
  color: var(--blanc);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.footer__nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.footer__nav a {
  color: #A9BEDC;
  text-decoration: none;
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--blanc); }

.footer__bas {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: 1.2rem;
  font-size: 0.9rem;
}
.footer__bas p { margin: 0; }

/* ------------------------------ Bandeau cookies ------------------------------ */

.cookies {
  position: fixed;
  inset-inline: 1rem;
  bottom: 1rem;
  z-index: 150;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 900px;
  margin-inline: auto;
  background: var(--blanc);
  border: 1px solid var(--gris-300);
  border-radius: var(--rayon);
  box-shadow: var(--ombre-forte);
  padding: 1.1rem 1.4rem;
  animation: cookies-entree 500ms ease both;
}
.cookies p { margin: 0; font-size: 0.93rem; flex: 1 1 24rem; }
.cookies[hidden] { display: none; }

@keyframes cookies-entree {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ------------------------------ Pages légales ------------------------------ */

.page-legale { max-width: 800px; }
.page-legale h1 { margin-top: clamp(2rem, 5vw, 3.5rem); }
.page-legale h2 { font-size: 1.35rem; margin-top: 2.2rem; }
.page-legale .encart-a-completer {
  background: var(--bleu-pale);
  border-left: 5px solid var(--bleu-vif);
  border-radius: var(--rayon-petit);
  padding: 1rem 1.3rem;
  font-size: 0.95rem;
}

/* ------------------------------ Animations d'apparition ------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease, transform 650ms ease;
}
.reveal--visible { opacity: 1; transform: translateY(0); }
.reveal--delai { transition-delay: 140ms; }

/* Décalage en cascade dans les grilles de cartes */
.cartes-grille .carte:nth-child(3n+2),
.pourquoi-grille .pourquoi__item:nth-child(4n+2) { transition-delay: 90ms; }
.cartes-grille .carte:nth-child(3n),
.pourquoi-grille .pourquoi__item:nth-child(4n+3) { transition-delay: 180ms; }
.pourquoi-grille .pourquoi__item:nth-child(4n) { transition-delay: 270ms; }

/* ------------------------------ Animations SVG ------------------------------ */

@keyframes flotte {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.anim-flotte { animation: flotte 5.5s ease-in-out infinite; }
.anim-flotte--2 { animation-duration: 6.5s; animation-delay: 0.6s; }
.anim-flotte--3 { animation-duration: 7s; animation-delay: 1.2s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.anim-pulse { animation: pulse 3.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.anim-pulse--2 { animation-delay: 0.8s; }
.anim-pulse--3 { animation-delay: 1.6s; }

@keyframes tirets {
  to { stroke-dashoffset: -44; }
}
.anim-tirets { animation: tirets 3.2s linear infinite; }

@keyframes sonne {
  0%, 84%, 100% { transform: rotate(0); }
  88% { transform: rotate(-7deg); }
  92% { transform: rotate(6deg); }
  96% { transform: rotate(-4deg); }
}
.anim-sonne { animation: sonne 5s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }

@keyframes trace {
  from { stroke-dashoffset: 320; }
  to { stroke-dashoffset: 0; }
}
.anim-trace {
  stroke-dasharray: 320;
  animation: trace 2.4s ease-out both;
}

/* ==========================================================================
   MODULE ACCESSIBILITÉ (RGAA)
   ========================================================================== */

.a11y-bouton {
  position: fixed;
  bottom: 1.1rem;
  left: 1.1rem;
  z-index: 160;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--bleu-vif), var(--bleu));
  color: var(--blanc);
  box-shadow: 0 8px 24px rgba(11, 42, 82, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}
.a11y-bouton:hover { transform: scale(1.08); box-shadow: 0 12px 30px rgba(11, 42, 82, 0.45); }
.a11y-bouton svg { width: 30px; height: 30px; }

.a11y-panneau {
  position: fixed;
  bottom: 5.6rem;
  left: 1.1rem;
  z-index: 160;
  width: min(340px, calc(100vw - 2.2rem));
  background: var(--blanc);
  border: 1px solid var(--gris-300);
  border-radius: var(--rayon);
  box-shadow: var(--ombre-forte);
  padding: 1.2rem 1.3rem;
}
.a11y-panneau[hidden] { display: none; }

.a11y-panneau h2 {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.a11y-groupe { margin-bottom: 0.9rem; }
.a11y-groupe > span {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--texte-doux);
  margin-bottom: 0.4rem;
}

.a11y-tailles { display: flex; gap: 0.5rem; }
.a11y-tailles button {
  flex: 1;
  padding: 0.5rem;
  border: 1.5px solid var(--gris-300);
  border-radius: var(--rayon-petit);
  background: var(--gris-100);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--transition), background-color var(--transition);
}
.a11y-tailles button[aria-pressed="true"] {
  border-color: var(--bleu-vif);
  background: var(--bleu-pale);
  color: var(--bleu-profond);
}

.a11y-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  width: 100%;
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.35rem;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--rayon-petit);
  background: var(--blanc);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--texte);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--transition), background-color var(--transition);
}
.a11y-option:hover { border-color: var(--gris-300); background: var(--gris-100); }

.a11y-option .interrupteur {
  flex: none;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: var(--gris-300);
  position: relative;
  transition: background-color var(--transition);
}
.a11y-option .interrupteur::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--blanc);
  transition: transform var(--transition);
}
.a11y-option[aria-pressed="true"] .interrupteur { background: var(--vert); }
.a11y-option[aria-pressed="true"] .interrupteur::after { transform: translateX(18px); }

.a11y-reinitialiser {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.55rem;
  border: none;
  border-radius: var(--rayon-petit);
  background: var(--gris-100);
  color: var(--texte-doux);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}
.a11y-reinitialiser:hover { background: var(--gris-200); color: var(--texte); }

/* --- Modes d'accessibilité appliqués sur <html> --- */

/* Taille du texte */
html.a11y-taille-1 { font-size: 112.5%; }
html.a11y-taille-2 { font-size: 125%; }

/* Interlignage et espacements renforcés (critère RGAA présentation) */
html.a11y-interlignage body { line-height: 2; letter-spacing: 0.04em; word-spacing: 0.16em; }
html.a11y-interlignage p { margin-bottom: 1.5em; }

/* Liens toujours soulignés */
html.a11y-liens a { text-decoration: underline !important; text-underline-offset: 3px; }

/* Arrêt des animations et transitions */
html.a11y-animations *,
html.a11y-animations *::before,
html.a11y-animations *::after {
  animation: none !important;
  transition: none !important;
}
html.a11y-animations .reveal { opacity: 1 !important; transform: none !important; }

/* Contraste renforcé */
html.a11y-contraste {
  --texte: #000000;
  --texte-doux: #1F2933;
  --bleu-profond: #001A3D;
  --bleu: #003E8A;
  --bleu-vif: #003E8A;
  --vert: #00593F;
  --vert-vif: #00593F;
  --gris-100: #FFFFFF;
  --gris-200: #6B7280;
  --gris-300: #4B5563;
}
html.a11y-contraste body { background: #FFFFFF; }
html.a11y-contraste a { color: #002B66; text-decoration: underline; }
html.a11y-contraste .hero__bg { background: #FFFFFF; }
html.a11y-contraste .section--grise { background: #FFFFFF; }
html.a11y-contraste .section--sombre,
html.a11y-contraste .section--valeurs,
html.a11y-contraste .footer { background: #000000; color: #FFFFFF; }
html.a11y-contraste .section--sombre p,
html.a11y-contraste .section__entete--claire .section__intro,
html.a11y-contraste .solutions__futures p,
html.a11y-contraste .footer__marque p,
html.a11y-contraste .footer__nav a,
html.a11y-contraste .footer__bas { color: #FFFFFF; }
html.a11y-contraste .solution__etiquettes span,
html.a11y-contraste .futures__liste li,
html.a11y-contraste .valeurs__liste li { background: #000; border-color: #FFF; color: #FFF; }
html.a11y-contraste .btn--primaire,
html.a11y-contraste .btn--vert,
html.a11y-contraste .nav__link--cta { background: #001A3D; box-shadow: none; }
html.a11y-contraste .carte,
html.a11y-contraste .persona,
html.a11y-contraste .pourquoi__item,
html.a11y-contraste .formulaire { border: 2px solid #000; }
html.a11y-contraste .texte-degrade {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: #003E8A;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .cartes-grille { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pourquoi-grille { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .personas-grille { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grille { grid-template-columns: 1fr 1fr; }
}

/* Menu compact (burger) dès que la largeur ne permet plus une seule ligne propre */
@media (max-width: 1160px) {
  .nav__toggle { display: flex; }

  .nav__list {
    position: absolute;
    top: calc(100% + 8px);
    right: 1.25rem;
    left: 1.25rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
    background: var(--blanc);
    border: 1px solid var(--gris-200);
    border-radius: var(--rayon);
    box-shadow: var(--ombre-forte);
    padding: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav--ouvert .nav__list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav__link { display: block; text-align: center; padding: 0.8rem; font-size: 1rem; }
  .nav__link--cta { margin-left: 0; }

  .nav--ouvert .nav__toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav--ouvert .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav--ouvert .nav__toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

@media (max-width: 900px) {
  .hero__inner,
  .presentation__grille,
  .vision__grille,
  .solution__vitrine,
  .canicule__grille,
  .contact__grille {
    grid-template-columns: 1fr;
  }

  .hero__illustration { order: -1; max-width: 480px; margin-inline: auto; }
  .persona-usagers { grid-template-columns: 1fr; }
  .persona-usagers__photo { min-height: 200px; max-height: 260px; }
  .vision__illustration { max-width: 440px; margin-inline: auto; }
  .canicule__illustration { max-width: 440px; margin-inline: auto; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }

  .logo__devise { display: none; }
  .logo__mark { width: 40px; }

  .cartes-grille { grid-template-columns: 1fr; }
  .personas-grille { grid-template-columns: 1fr; }
  .chip { font-size: 0.82rem; padding: 0.4rem 0.8rem; }
  .chip--2 { right: -6px; }
  .chip--3 { left: -8px; }
  .chip--4 { right: -4px; }
  .chip--5 { left: -4px; }
  .chip--accent { font-size: 0.9rem; padding: 0.5rem 1rem; }
  .photo-cadre__badge { font-size: 0.82rem; left: 0.8rem; }
  .formulaire__ligne { grid-template-columns: 1fr; gap: 0; }
  .liste-coches--deux-colonnes { grid-template-columns: 1fr; }
  .footer__grille { grid-template-columns: 1fr; gap: 1.6rem; }

  .hero__actions .btn { width: 100%; text-align: center; }
  .pourquoi__icone { width: 40px; height: 40px; }
  .acteur summary { padding: 0.9rem 1rem; gap: 0.8rem; }
  .acteur__contenu { padding: 0.2rem 1rem 1.3rem 1rem; }
  .usagers-carte { flex-direction: column; gap: 1rem; }
}

/* ── Accessibilité : options « Confort visuel » (ajout 18/07/2026) ── */
.a11y-panneau { max-height: min(74vh, 620px); overflow-y: auto; }
.a11y-note { margin: 0.6rem 0 0; font-size: 0.72rem; color: var(--texte-doux); }

html.a11y-police body,
html.a11y-police body * { font-family: Verdana, Arial, Helvetica, sans-serif !important; }

html.a11y-espace body { letter-spacing: 0.08em !important; word-spacing: 0.16em !important; }

html.a11y-gris body { filter: grayscale(1); }

html.a11y-focus *:focus,
html.a11y-focus *:focus-visible { outline: 4px solid var(--bleu-vif, #2f6bd8) !important; outline-offset: 2px !important; }

.a11y-regle-bande {
  position: fixed; left: 0; right: 0; top: 40vh; height: 88px; z-index: 150;
  pointer-events: none;
  box-shadow: 0 -100vh 0 100vh rgba(10, 18, 34, 0.45), 0 100vh 0 100vh rgba(10, 18, 34, 0.45);
  border-top: 2px solid var(--bleu-vif, #2f6bd8);
  border-bottom: 2px solid var(--bleu-vif, #2f6bd8);
}