/* ============================================================
   DID32 — Feuille de style principale
   Palette accordée au logo : bleu électrique, orange, cyan
   Typo : Space Grotesk (titres) + Inter (texte), auto-hébergées
   Mobile-first, contrastes AA, texte bien lisible
   ============================================================ */

/* ---------- Polices locales (pas de CDN, conformité RGPD) ---------- */
@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("../assets/fonts/space-grotesk-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Couleurs (relevées sur le logo) */
  --bleu:        #1b3ec0;   /* bleu électrique du "32" */
  --bleu-fonce:  #142c86;   /* titres */
  --bleu-nuit:   #090f2e;   /* fond héro sombre / pied de page */
  --bleu-pale:   #eaf1fe;
  --cyan:        #74dff5;   /* arcs du logo : accents, lueurs */
  --orange:      #dc6f26;   /* "DID" du logo */
  --orange-clair:#f08434;
  --orange-fonce:#b54f05;   /* texte blanc dessus = contraste AA */
  --encre:       #141c28;   /* texte courant */
  --gris-texte:  #44536a;   /* texte secondaire */
  --gris-fond:   #f3f7fc;
  --blanc:       #ffffff;
  --bordure:     #d9e4f2;

  --degrade-orange: linear-gradient(135deg, #dc6f26 0%, #b54f05 100%);

  /* Typo & rythme */
  --police: "Inter", "Segoe UI", -apple-system, Arial, sans-serif;
  --police-titres: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --rayon: 16px;
  --ombre: 0 8px 30px rgba(20, 44, 134, 0.09);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

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

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

h1, h2, h3 {
  font-family: var(--police-titres);
  line-height: 1.22;
  color: var(--bleu-fonce);
  letter-spacing: -0.015em;
}

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

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

.conteneur {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}
.conteneur-etroit { max-width: 820px; }

/* Lien d'évitement (accessibilité clavier) */
.lien-evitement {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--bleu-fonce);
  color: #fff;
  padding: 0.8rem 1.2rem;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.lien-evitement:focus { left: 0; color: #fff; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-family: var(--police);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .icone { width: 1.25em; height: 1.25em; flex: none; }

.btn-orange {
  background: var(--degrade-orange);
  color: #fff;
  box-shadow: 0 4px 16px rgba(220, 111, 38, 0.30);
}
.btn-orange:hover {
  color: #fff;
  box-shadow: 0 8px 26px rgba(240, 132, 52, 0.48);
  filter: brightness(1.06);
}

.btn-contour {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-contour:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }

.btn-contour-bleu {
  background: transparent;
  color: var(--bleu-fonce);
  border-color: var(--bleu);
}
.btn-contour-bleu:hover { background: var(--bleu); color: #fff; box-shadow: 0 8px 22px rgba(27, 62, 192, 0.30); }

.btn-grand { padding: 0.95rem 1.7rem; font-size: 1.15rem; }

/* ---------- En-tête sticky (verre dépoli) ---------- */
.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordure);
  transition: box-shadow var(--transition);
}
.entete.ombre { box-shadow: var(--ombre); }

.entete-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
  padding-block: 0.5rem;
}

.logo-lien { flex: none; display: inline-flex; align-items: center; }
.logo { height: 58px; width: auto; }

.nav-principale { margin-left: auto; }
.nav-principale ul {
  display: flex;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-principale a {
  position: relative;
  display: block;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  color: var(--bleu-fonce);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}
.nav-principale a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.28rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-principale a:hover { color: var(--bleu); }
.nav-principale a:hover::after { transform: scaleX(1); }

.btn-entete { flex: none; white-space: nowrap; }

/* Burger (mobile) */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 10px;
  background: none;
  border: 2px solid var(--bordure);
  border-radius: 10px;
  cursor: pointer;
}
.burger span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--bleu-fonce);
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   HÉRO — structure commune + 2 variantes (sombre / claire)
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 2.6rem 3rem;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2rem;
  align-items: center;
}

/* Grille tech très discrète */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(116, 223, 245, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 223, 245, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25));
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25));
  pointer-events: none;
}
/* Lueurs derrière l'illustration (pleine surface : pas de bord visible) */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(42% 55% at 78% 42%, rgba(116, 223, 245, 0.22), transparent 100%),
    radial-gradient(32% 42% at 64% 82%, rgba(220, 111, 38, 0.16), transparent 100%);
  pointer-events: none;
}

.hero-surligne {
  display: inline-block;
  padding: 0.32rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 1.1rem;
}
.hero h1 {
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  margin: 0 0 0.9rem;
}
.hero h1 .accent {
  background: linear-gradient(90deg, #ffb066, #f08434);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sous-titre {
  font-size: 1.07rem;
  max-width: 34em;
  margin: 0 0 1.5rem;
}
.hero-boutons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.hero-badges li {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero-illustration { text-align: center; }
.hero-illustration svg {
  width: min(310px, 82%);
  height: auto;
  filter: drop-shadow(0 12px 32px rgba(9, 15, 46, 0.30));
}

/* --- Variante SOMBRE (bleu nuit → bleu électrique) --- */
.hero--sombre {
  background: linear-gradient(135deg, var(--bleu-nuit) 0%, #10225e 48%, var(--bleu) 100%);
  color: #fff;
}
.hero--sombre .hero-surligne {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(116, 223, 245, 0.35);
  color: #d9f4fc;
}
.hero--sombre h1 { color: #fff; }
.hero--sombre .hero-sous-titre { color: #d4e2f7; }
.hero--sombre .hero-sous-titre strong { color: #fff; }
.hero--sombre .hero-badges li {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(116, 223, 245, 0.32);
  color: #d9f4fc;
}

/* ---------- Sections ---------- */
.section { padding-block: 4rem; }
.section-grise {
  background:
    radial-gradient(900px 420px at 85% 0%, rgba(116, 223, 245, 0.16), transparent 60%),
    var(--gris-fond);
}
.section-bleue {
  background:
    radial-gradient(900px 420px at 12% 100%, rgba(116, 223, 245, 0.22), transparent 60%),
    linear-gradient(160deg, var(--bleu-pale), #e2f2fb);
}

.section-titre {
  font-size: clamp(1.6rem, 3.5vw, 2.15rem);
  text-align: center;
  margin: 0 0 0.75rem;
  position: relative;
  padding-bottom: 1rem;
}
.section-titre::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 70px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}
.section-intro {
  text-align: center;
  max-width: 42em;
  margin: 0 auto 2.5rem;
  color: var(--gris-texte);
  font-size: 1.08rem;
}

/* ---------- Cartes "verre" (base commune) ---------- */
.carte-service, .carte-zone, .faq-item, .bloc-formulaire, .carte-tarifs {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: var(--ombre);
}

/* ---------- Services ---------- */
.grille-services {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
}
.carte-service {
  border-radius: var(--rayon);
  padding: 1.8rem 1.5rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.carte-service:hover {
  transform: translateY(-6px);
  border-color: rgba(116, 223, 245, 0.9);
  box-shadow: 0 16px 38px rgba(27, 62, 192, 0.16);
}
.carte-icone {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--bleu-pale), #d9ecfb);
  color: var(--bleu);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  transition: transform var(--transition);
}
.carte-service:hover .carte-icone, .carte-zone:hover .carte-icone { transform: scale(1.08) rotate(-3deg); }
.carte-icone svg { width: 30px; height: 30px; }
.carte-icone-orange { background: linear-gradient(145deg, #fdeedd, #fbe0c3); color: var(--orange-fonce); }
.carte-service h3 {
  margin: 0 0 0.8rem;
  font-size: 1.18rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.carte-soustitre {
  font-family: var(--police);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange-fonce);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.carte-service ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--gris-texte);
}
.carte-service li { margin-bottom: 0.45rem; }

.note-apple {
  max-width: 46em;
  margin: 2.2rem auto 0;
  padding: 1rem 1.3rem;
  background: var(--bleu-pale);
  border-left: 4px solid var(--bleu);
  border-radius: 0 12px 12px 0;
  color: var(--bleu-fonce);
}

/* ---------- Zone d'intervention ---------- */
.grille-zone {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 900px;
  margin-inline: auto;
}
.carte-zone {
  border-radius: var(--rayon);
  padding: 2rem 1.7rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.carte-zone:hover { transform: translateY(-6px); box-shadow: 0 16px 38px rgba(27, 62, 192, 0.16); }
.carte-zone .carte-icone { margin-inline: auto; }
.carte-zone h3 { margin: 0 0 0.2rem; font-size: 1.3rem; }
.zone-departements {
  color: var(--orange-fonce);
  font-weight: 700;
  margin: 0 0 0.9rem;
}
.carte-zone p:last-child { color: var(--gris-texte); margin-bottom: 0; }

/* ---------- Frais de déplacement ---------- */
.carte-tarifs {
  border-radius: var(--rayon);
  padding: 0.6rem 1.4rem;
  overflow: hidden;
}
.tableau-tarifs {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.08rem;
}
.tableau-tarifs caption { text-align: left; }
.tableau-tarifs thead th {
  text-align: left;
  padding: 1rem 0.4rem;
  font-family: var(--police-titres);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bleu);
  border-bottom: 2px solid var(--bleu);
}
.tableau-tarifs thead th:last-child { text-align: right; }
.tableau-tarifs tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--encre);
}
.tableau-tarifs tbody th,
.tableau-tarifs tbody td {
  padding: 0.95rem 0.4rem;
  border-bottom: 1px solid var(--bordure);
}
.tableau-tarifs tbody td {
  text-align: right;
  font-weight: 700;
  color: var(--bleu-fonce);
  white-space: nowrap;
}
.tableau-tarifs tbody tr:last-child th,
.tableau-tarifs tbody tr:last-child td { border-bottom: none; }
.tableau-tarifs tbody tr { transition: background var(--transition); }
.tableau-tarifs tbody tr:hover { background: rgba(234, 241, 254, 0.6); }
.tarif-offert {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  background: var(--degrade-orange);
  color: #fff;
  font-size: 0.95rem;
}
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Pourquoi DID32 ---------- */
.grille-pourquoi {
  display: grid;
  gap: 1.6rem 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.item-pourquoi { display: flex; gap: 1rem; align-items: flex-start; }
.coche {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--degrade-orange);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(220, 111, 38, 0.30);
}
.item-pourquoi h3 { margin: 0.2rem 0 0.35rem; font-size: 1.12rem; }
.item-pourquoi p { margin: 0; color: var(--gris-texte); }

/* ---------- FAQ ---------- */
.faq-item {
  border-radius: 14px;
  margin-bottom: 0.9rem;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover { border-color: rgba(116, 223, 245, 0.9); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 3.2rem 1.1rem 1.4rem;
  font-family: var(--police-titres);
  font-weight: 700;
  color: var(--bleu-fonce);
  font-size: 1.06rem;
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bleu-pale);
  color: var(--bleu);
  font-size: 1.3rem;
  line-height: 30px;
  text-align: center;
  transition: transform var(--transition), background var(--transition);
}
.faq-item[open] summary::after {
  content: "−";
  background: var(--degrade-orange);
  color: #fff;
}
.faq-item summary:hover { background: rgba(234, 241, 254, 0.6); }
.faq-reponse { padding: 0 1.4rem 1.2rem; color: var(--gris-texte); }

/* ---------- Contact ---------- */
.grille-contact {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  align-items: start;
}

.bloc-formulaire {
  border-radius: var(--rayon);
  padding: 2rem 1.7rem;
}
.champ { margin-bottom: 1.15rem; }
.champ label {
  display: block;
  font-weight: 700;
  color: var(--bleu-fonce);
  margin-bottom: 0.35rem;
}
.optionnel { font-weight: 400; color: var(--gris-texte); font-size: 0.92em; }
.obligatoire { color: var(--orange-fonce); }
.champ input,
.champ select,
.champ textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  font: inherit;
  color: var(--encre);
  background: var(--blanc);
  border: 2px solid var(--bordure);
  border-radius: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--bleu);
  box-shadow: 0 0 0 3px rgba(27, 62, 192, 0.16);
}
.champ textarea { resize: vertical; min-height: 120px; }
.champ-double { display: grid; gap: 0 1.2rem; grid-template-columns: 1fr; }

.champ-consentement {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}
.champ-consentement input {
  width: 22px;
  height: 22px;
  margin-top: 0.2rem;
  flex: none;
  accent-color: var(--orange-fonce);
}
.champ-consentement label { font-weight: 400; color: var(--gris-texte); margin: 0; }

/* Honeypot : masqué visuellement mais présent pour les robots */
.champ-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn-envoyer { width: 100%; border: none; }
.form-secours {
  text-align: center;
  color: var(--gris-texte);
  font-size: 0.95rem;
  margin: 1rem 0 0;
}

.message-formulaire {
  padding: 1rem 1.2rem;
  border-radius: 12px;
  margin-bottom: 1.2rem;
  font-weight: 600;
}
.message-formulaire.succes { background: #e5f5e9; color: #1c6b34; border: 1px solid #9fd7ae; }
.message-formulaire.erreur { background: #fdecea; color: #a4261a; border: 1px solid #f0b6b0; }

.bloc-coordonnees {
  background: linear-gradient(160deg, var(--bleu-fonce) 0%, var(--bleu) 100%);
  color: #fff;
  border-radius: var(--rayon);
  padding: 2rem 1.7rem;
  box-shadow: 0 12px 34px rgba(27, 62, 192, 0.28);
  border: 1px solid rgba(116, 223, 245, 0.30);
}
.bloc-coordonnees h3 { color: #fff; margin: 0 0 1.3rem; font-size: 1.3rem; }
.liste-coordonnees {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
}
.liste-coordonnees li {
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.coord-libelle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #a9e2f5;
  font-weight: 700;
}
.coord-valeur { color: #fff; font-size: 1.08rem; text-decoration: none; }
.coord-note { color: #a9e2f5; font-size: 0.92rem; }
a.coord-valeur:hover { color: #ffb066; }
.coord-tel { font-size: 1.35rem; font-weight: 800; font-family: var(--police-titres); }
.btn-maps { width: 100%; margin-bottom: 0.8rem; }

/* ---------- Pied de page ---------- */
.pied {
  background: var(--bleu-nuit);
  color: #c2d3ea;
  padding-top: 3rem;
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--orange), var(--cyan), var(--bleu)) 1;
}
.pied a { color: #fff; text-decoration: none; }
.pied a:hover { color: #ffb066; text-decoration: underline; }
.pied-inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding-bottom: 2.5rem;
}
.pied-logo {
  display: inline-block;
  background: #fff;
  border-radius: 12px;
  padding: 0.55rem 0.9rem;
  margin-bottom: 0.9rem;
}
.pied-logo img { height: 56px; width: auto; display: block; }
.pied-titre {
  font-family: var(--police-titres);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.92rem;
  margin: 0 0 0.8rem;
}
.pied-colonne ul { list-style: none; margin: 0; padding: 0; }
.pied-colonne li { margin-bottom: 0.5rem; }
.pied-colonne p { margin: 0 0 0.6rem; }
.pied-bas {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.2rem 0;
  text-align: center;
  font-size: 0.95rem;
}
.pied-bas p { margin: 0; }

/* ---------- Bouton d'appel flottant (mobile) ---------- */
.btn-flottant {
  display: none;
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 90;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--degrade-orange);
  color: #fff;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  animation: pulsation 2.4s infinite;
}
.btn-flottant svg { width: 30px; height: 30px; }
@keyframes pulsation {
  0%   { box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 0 0 rgba(240, 132, 52, 0.5); }
  70%  { box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 0 16px rgba(240, 132, 52, 0); }
  100% { box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 0 0 rgba(240, 132, 52, 0); }
}

/* ---------- Animations d'apparition (avec léger décalage) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .apparait {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .apparait.visible { opacity: 1; transform: none; }

  .grille-services > :nth-child(2), .grille-zone > :nth-child(2) { transition-delay: 0.08s; }
  .grille-services > :nth-child(3) { transition-delay: 0.16s; }
  .grille-services > :nth-child(4) { transition-delay: 0.24s; }
}

/* ---------- Pages annexes (mentions, confidentialité, 404) ---------- */
.page-annexe { padding-block: 3rem 4rem; }
.page-annexe h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
.page-annexe h2 { margin-top: 2.2rem; font-size: 1.35rem; }

.page-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding-block: 4rem;
}
.page-404 .code {
  font-family: var(--police-titres);
  font-size: clamp(4.5rem, 14vw, 8rem);
  font-weight: 700;
  color: var(--bleu-pale);
  -webkit-text-stroke: 3px var(--bleu);
  line-height: 1;
  margin: 0 0 1rem;
}
.page-404 h1 { margin: 0 0 0.8rem; }
.page-404 p { color: var(--gris-texte); max-width: 34em; margin-inline: auto; }
.boutons-404 {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 1.8rem;
}
.boutons-404 .btn-bleu { background: var(--bleu); color: #fff; }
.boutons-404 .btn-bleu:hover { background: var(--bleu-fonce); box-shadow: 0 8px 22px rgba(27, 62, 192, 0.30); }

/* ============================================================
   Responsive
   ============================================================ */

/* Mobile & tablette : navigation en panneau + bouton flottant
   (la navigation complète n'a la place qu'à partir de 1100 px) */
@media (max-width: 1099px) {
  .burger { display: flex; }
  .btn-flottant { display: flex; }

  .nav-principale {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bordure);
    box-shadow: var(--ombre);
    display: none;
    margin: 0;
  }
  .nav-principale.ouverte { display: block; }
  .nav-principale ul { flex-direction: column; padding: 0.6rem 1rem 1rem; gap: 0; }
  .nav-principale a { padding: 0.9rem 1rem; font-size: 1.08rem; }
  .nav-principale a::after { display: none; }

  .btn-entete { margin-left: auto; padding: 0.7rem 1rem; font-size: 1.1rem; }
  .btn-entete-label { display: none; }
  .logo { height: 48px; }
}

/* Très petits écrans : en-tête compacté, bouton en orange uni (AA quelle que soit la taille) */
@media (max-width: 499px) {
  .entete-inner { gap: 0.5rem; }
  .logo { height: 42px; }
  .burger { width: 44px; height: 44px; }
  .btn-entete {
    background: var(--orange-fonce);
    font-size: 1rem;
    padding: 0.65rem 0.85rem;
  }
  .btn-entete .icone { display: none; }
}

/* Tablette et plus */
@media (min-width: 640px) {
  .champ-double { grid-template-columns: 1fr 1fr; }
}

/* Ordinateur */
@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.15fr 0.85fr; }
  .grille-contact { grid-template-columns: 1.2fr 0.8fr; }
  .section { padding-block: 5rem; }
  .hero { padding-block: 3.4rem 3.8rem; }
}