/* =====================================================================
   Urban Assainissement — Feuille de style modernisée
   Site vitrine : assainissement / débouchage / curage / plomberie
   Palette dérivée du logo (bleu technique + vert environnement)
   ===================================================================== */

/* ---------- 1. Variables ---------- */
:root {
  --primary-blue: #155fb0;
  --primary-blue-dark: #0e4180;
  --primary-blue-light: #e8f1fb;
  --primary-green: #3aa564;
  --primary-green-dark: #2c8550;

  --dark: #1c2733;          /* textes titres / footer */
  --muted: #6b7785;         /* texte secondaire */
  --text: #3c4856;          /* paragraphes */
  --light-bg: #f4f7fa;      /* fond de sections claires */
  --white: #ffffff;
  --border: #e2e8f0;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(28, 39, 51, .06);
  --shadow-md: 0 8px 24px rgba(28, 39, 51, .10);
  --shadow-lg: 0 16px 40px rgba(14, 65, 128, .16);

  --transition: .25s ease;
  --container: 1180px;
  --header-h: 112px;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ---------- 2. Reset léger ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 150px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-blue-dark); }
ul { margin: 0; padding: 0; }
h1, h2, h3, h4 { color: var(--dark); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -.5px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -.3px; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1rem; }

/* accessibilité : focus clavier visible */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--primary-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. Utilitaires ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; }
.section--light { background: var(--light-bg); }
.section__head { text-align: center; max-width: 760px; margin: 0 auto 54px; }
.section__head .eyebrow { color: var(--primary-green-dark); }
.section__head p { color: var(--muted); font-size: 1.08rem; }

.eyebrow {
  display: inline-block;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary-green-dark);
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  padding: 15px 26px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--primary-green); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--primary-green-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--blue { background: var(--primary-blue); color: #fff; }
.btn--blue:hover { background: var(--primary-blue-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn--outline:hover { background: rgba(255,255,255,.14); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: var(--white); color: var(--primary-blue); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--primary-blue); color: var(--primary-blue-dark); transform: translateY(-2px); }

/* =====================================================================
   4. HEADER
   ===================================================================== */
/* Conteneur élargi propre au header (laisse la place au menu sur une ligne) */
.header-container { max-width: 1340px; }

.topbar {
  background: var(--primary-blue-dark);
  color: #cfe1f5;
  font-size: .88rem;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 40px;
}
.topbar__info { display: flex; align-items: center; gap: 16px; }
.topbar__item {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 500;
  transition: color var(--transition);
}
.topbar__item:hover { color: #bfe9cf; }
.topbar__item svg { width: 15px; height: 15px; color: var(--primary-green); flex: none; }
.topbar__sep { width: 1px; height: 16px; background: rgba(255,255,255,.22); }

/* Message de valeur (centré) */
.topbar__note {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0; color: #dce8f6; font-weight: 500;
}
.topbar__note svg { width: 15px; height: 15px; color: var(--primary-green); flex: none; }

/* Réseaux sociaux */
.topbar__social { display: flex; gap: 6px; }
.topbar__social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  color: #fff; background: rgba(255,255,255,.08);
  transition: background var(--transition), transform var(--transition);
}
.topbar__social a:hover { background: var(--primary-green); transform: translateY(-1px); }
.topbar__social svg { width: 15px; height: 15px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: var(--header-h);
}

/* Logo : bien visible, net, jamais déformé, centré verticalement */
.logo { display: inline-flex; align-items: center; flex: none; }
.logo img {
  height: 96px;
  max-height: 96px;
  width: auto;
  max-width: 210px;
  object-fit: contain;
}

/* Navigation centrée, sur une seule ligne en desktop */
.main-nav { display: flex; justify-content: center; flex: 1 1 auto; min-width: 0; }
.main-nav .mobile-phone { display: none; }
.main-nav ul { display: flex; align-items: center; gap: 4px; list-style: none; flex-wrap: nowrap; }
.main-nav a {
  position: relative;
  display: block;
  padding: 9px 14px;
  font-size: .94rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--dark);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: var(--primary-blue); background: var(--primary-blue-light); }
/* Lien actif : soulignement sobre (au lieu d'une pastille pleine) */
.main-nav .is-active a { color: var(--primary-blue); }
.main-nav .is-active a::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 2px; border-radius: 2px;
  background: var(--primary-green);
}

.header-actions { display: flex; align-items: center; gap: 14px; flex: none; }

/* Bouton d'appel — bloc téléphone sobre (icône + libellé + numéro) */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  padding: 6px 8px;
  border-radius: 12px;
  white-space: nowrap;
  box-shadow: none;
  transition: background var(--transition);
}
.header-cta:hover { background: var(--primary-blue-light); }
.header-cta__ico {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--primary-green); color: #fff;
  box-shadow: 0 4px 10px rgba(58, 165, 100, .28);
}
.header-cta__ico svg { width: 19px; height: 19px; }
.header-cta__text { display: flex; flex-direction: column; line-height: 1.2; }
.header-cta__text small {
  font-size: .66rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .8px;
}
.header-cta__text strong { font-size: 1.08rem; font-weight: 800; color: var(--dark); letter-spacing: .2px; }
.header-cta:hover .header-cta__text strong { color: var(--primary-blue); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 22px; height: 2.4px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateX(-50%) rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateX(-50%) rotate(-45deg); top: 0; }

/* =====================================================================
   5. HERO
   ===================================================================== */
.hero {
  position: relative;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(14,65,128,.94) 0%, rgba(21,95,176,.86) 45%, rgba(44,133,80,.78) 100%),
    url('../img/hero.jpg') center/cover no-repeat;
}
.hero__inner { padding: 96px 0 104px; max-width: 760px; }
.hero .eyebrow { color: #bfe9cf; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero h1 .accent { color: #bfe9cf; }
.hero__lead { font-size: 1.18rem; color: #eaf2fb; max-width: 640px; margin-bottom: 30px; }
.hero__zone {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  padding: 8px 16px; border-radius: 999px;
  font-size: .92rem; font-weight: 600; margin-bottom: 30px;
}
.hero__zone svg { width: 16px; height: 16px; color: #bfe9cf; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__phone-note { margin-top: 26px; font-size: .95rem; color: #d4e3f4; }
.hero__phone-note strong { color: #fff; font-size: 1.15rem; }

/* =====================================================================
   6. INTRO
   ===================================================================== */
.intro { text-align: center; }
.intro p { font-size: 1.15rem; max-width: 880px; margin: 0 auto 1rem; }
.intro .intro__highlight { color: var(--primary-green-dark); font-weight: 700; }

/* =====================================================================
   7. CARTES "Compétences / Professionnalisme / Qualité"
   ===================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; border-radius: 16px;
  background: var(--primary-green); color: #fff; margin-bottom: 20px;
}
.feature-card__icon svg { width: 28px; height: 28px; }
.feature-card h3 { color: var(--dark); }
.feature-card p { color: var(--muted); font-size: .98rem; margin: 0; }

/* =====================================================================
   8. SERVICES
   ===================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card::before {
  content: '';
  position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--primary-blue-light); color: var(--primary-blue);
  margin-bottom: 18px;
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 1.18rem; margin-bottom: 12px; }
.service-card p { color: var(--muted); font-size: .94rem; margin: 0; }
.service-card ul { padding-left: 18px; margin: 0; color: var(--muted); font-size: .94rem; }
.service-card ul li { list-style: disc; margin-bottom: 6px; }

/* =====================================================================
   8b. ZONE D'INTERVENTION
   ===================================================================== */
.zone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.zone-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.zone-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.zone-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary-blue-light); color: var(--primary-blue);
  margin-bottom: 16px;
}
.zone-card__icon svg { width: 26px; height: 26px; }
.zone-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.zone-card p { color: var(--muted); font-size: .92rem; margin: 0; }
.zone-cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

/* =====================================================================
   9. BANDEAU CTA
   ===================================================================== */
.cta-band {
  background: linear-gradient(115deg, var(--primary-blue-dark), var(--primary-blue));
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-md);
}
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: #d7e6f7; margin: 0; }
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* =====================================================================
   10. CONTACT
   ===================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: start;
}
.card-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-sm);
}

/* Formulaire */
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; font-weight: 600; font-size: .9rem; color: var(--dark); margin-bottom: 7px; }
.contact-form .field { margin-bottom: 18px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--light-bg);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(21,95,176,.12);
  outline: none;
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form .req { color: var(--primary-green-dark); }

/* Champs invalides (uniquement après une interaction de l'utilisateur) */
.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
  border-color: #d14b4b;
  box-shadow: 0 0 0 3px rgba(209, 75, 75, .12);
}

/* Message de retour du formulaire */
.form-feedback {
  margin: 14px 0 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--primary-green-dark);
}
.form-feedback:empty { display: none; }
.form-feedback.is-success {
  background: #eaf7ef;
  border: 1px solid #bfe6cd;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.form-feedback.is-error {
  color: #b32d2d;
  background: #fdecec;
  border: 1px solid #f3c2c2;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

/* Atouts contact */
.contact-perks { list-style: none; margin: 0 0 26px; display: grid; gap: 16px; }
.contact-perks li { display: flex; gap: 14px; align-items: flex-start; }
.contact-perks .perk-ico {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--primary-green); color: #fff;
}
.contact-perks .perk-ico svg { width: 22px; height: 22px; }
.contact-perks strong { display: block; color: var(--dark); font-size: 1.02rem; }
.contact-perks span { color: var(--muted); font-size: .92rem; }

.contact-info { display: grid; gap: 14px; margin-bottom: 24px; }
.contact-info li { display: flex; gap: 12px; align-items: flex-start; list-style: none; }
.contact-info svg { width: 20px; height: 20px; color: var(--primary-blue); flex: none; margin-top: 3px; }
.contact-info a { font-weight: 600; }

.map-embed {
  border: 0;
  width: 100%;
  height: 320px;
  border-radius: var(--radius);
  margin-top: 6px;
  box-shadow: var(--shadow-sm);
}

/* =====================================================================
   11. FOOTER
   ===================================================================== */
.site-footer {
  background: var(--dark);
  color: #aeb9c5;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.site-footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; }
.site-footer p { color: #aeb9c5; font-size: .95rem; }
.site-footer a { color: #cdd7e1; }
.site-footer a:hover { color: #fff; }
.footer-brand img { height: 52px; width: auto; object-fit: contain; margin-bottom: 18px; }
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-contact { list-style: none; display: grid; gap: 12px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.footer-contact svg { width: 18px; height: 18px; color: var(--primary-green); flex: none; margin-top: 3px; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,.08); color: #fff;
  transition: background var(--transition), transform var(--transition);
}
.footer-social a:hover { background: var(--primary-green); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }

.copyright {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  font-size: .9rem;
}
.copyright .container { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.copyright ul { display: flex; gap: 20px; list-style: none; flex-wrap: wrap; }

/* =====================================================================
   12. BACK TO TOP
   ===================================================================== */
.back-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary-blue); color: #fff;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--primary-blue-dark); }
.back-top svg { width: 20px; height: 20px; }

/* =====================================================================
   13. ANIMATIONS D'APPARITION (légères)
   ===================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Apparition douce et progressive du contenu du hero au chargement */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
.hero__inner > * { animation: heroFadeUp .7s cubic-bezier(.22, .61, .36, 1) both; }
.hero__inner > *:nth-child(1) { animation-delay: .05s; }
.hero__inner > *:nth-child(2) { animation-delay: .15s; }
.hero__inner > *:nth-child(3) { animation-delay: .25s; }
.hero__inner > *:nth-child(4) { animation-delay: .35s; }
.hero__inner > *:nth-child(5) { animation-delay: .45s; }
.hero__inner > *:nth-child(6) { animation-delay: .55s; }

/* Micro-interaction : l'icône réagit au survol de la carte */
.service-card__icon,
.feature-card__icon,
.zone-card__icon { transition: transform var(--transition), background var(--transition), color var(--transition); }
.service-card:hover .service-card__icon { transform: translateY(-2px) scale(1.05); }
.feature-card:hover .feature-card__icon { transform: translateY(-2px) scale(1.05); }
.zone-card:hover .zone-card__icon { background: var(--primary-green); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__inner > * { opacity: 1; transform: none; }
}

/* =====================================================================
   14. RESPONSIVE
   ===================================================================== */
/* --- Header : bascule en menu hamburger sur tablette et mobile.
   Le menu (4 entrées) tient sur une ligne dès ~960px en desktop. --- */
@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .topbar__note { display: none; }
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    display: block;
    width: min(330px, 88vw);
    height: 100vh;
    background: var(--white);
    box-shadow: -10px 0 40px rgba(0,0,0,.18);
    padding: 96px 22px 30px;
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    z-index: 1100;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; flex-wrap: nowrap; }
  .main-nav a { padding: 13px 14px; font-size: 1.05rem; }
  .main-nav .mobile-phone {
    display: block; margin-top: 18px; text-align: center;
    background: var(--primary-green); color: #fff; font-weight: 700;
    padding: 14px; border-radius: var(--radius-sm);
  }
  .main-nav .mobile-phone:hover { background: var(--primary-green-dark); color: #fff; }
  .nav-backdrop {
    position: fixed; inset: 0; background: rgba(15,25,40,.5);
    opacity: 0; visibility: hidden; transition: opacity .3s ease;
    z-index: 1050;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .section { padding: 60px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .cta-band { text-align: center; justify-content: center; }
  .cta-band__actions { justify-content: center; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: 1fr; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  /* Topbar mobile : on garde le téléphone seul (email + réseaux masqués) */
  .topbar { font-size: .82rem; }
  .topbar__social { display: none; }
  .topbar__sep,
  .topbar__info .topbar__item:last-child { display: none; }

  /* Header compact mobile : logo lisible, bouton d'appel = pastille ronde */
  .logo img { height: 62px; max-width: 150px; }
  .header-cta { padding: 0; border: none; background: transparent; box-shadow: none; }
  .header-cta__text { display: none; }
  .header-cta__ico { width: 46px; height: 46px; box-shadow: 0 4px 12px rgba(58, 165, 100, .3); }
  .header-cta__ico svg { width: 20px; height: 20px; }
  .hero__inner { padding: 70px 0 78px; }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; }
  .card-panel { padding: 24px; }
  .cta-band { padding: 36px 26px; }
  .copyright .container { justify-content: center; text-align: center; }
}

/* =====================================================================
   14b. ADDITIFS SEO LOCAL : intro titre, services (signes + CTA),
   communes, FAQ, champ anti-spam (honeypot)
   ===================================================================== */

/* Titre de la section intro */
.intro__title { max-width: 880px; margin: 0 auto .8rem; }

/* Services : signes d'alerte + lien interne (CTA) */
.service-card__signs { color: var(--text); font-size: .9rem; margin: 12px 0 0; }
.service-card__signs strong { color: var(--dark); }
.service-card__cta {
  display: inline-block;
  margin-top: 16px;
  font-weight: 700;
  font-size: .92rem;
  color: var(--primary-green-dark);
}
.service-card__cta:hover { color: var(--primary-blue-dark); }

/* Zone d'intervention : liste des communes / arrondissements */
.zone-communes {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
  margin-top: 30px;
  text-align: center;
}
.zone-communes h3 { font-size: 1.2rem; }
.zone-communes > p { color: var(--muted); max-width: 720px; margin: 0 auto 1rem; }
.commune-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 18px 0 6px;
  padding: 0;
}
.commune-tags li {
  background: var(--primary-blue-light);
  color: var(--primary-blue-dark);
  font-size: .88rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid #d4e4f6;
}
.zone-communes__note { font-size: .92rem; color: var(--muted); margin: 16px auto 0; max-width: 720px; }

/* FAQ — accordéon natif accessible (details / summary) */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 52px 18px 22px;
  font-weight: 700;
  color: var(--dark);
  font-size: 1.02rem;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary-blue); background: var(--primary-blue-light); }
.faq-item summary::after {
  content: '';
  position: absolute;
  right: 22px; top: 50%;
  width: 11px; height: 11px;
  border-right: 2.4px solid var(--primary-green-dark);
  border-bottom: 2.4px solid var(--primary-green-dark);
  transform: translateY(-65%) rotate(45deg);
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: translateY(-35%) rotate(-135deg); }
.faq-answer { padding: 0 22px 20px; }
.faq-answer p { color: var(--text); margin: 0; }

/* Champ anti-spam (honeypot) : masqué visuellement, accessible aux bots seulement */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* =====================================================================
   15. PAGES LÉGALES  (additif — réutilise la charte du nouveau site,
   n'impacte AUCUN style existant : tout est préfixé .legal-)
   ===================================================================== */

/* Bandeau de titre — même dégradé bleu que le bandeau CTA */
.legal-hero {
  background: linear-gradient(115deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
  color: #fff;
  padding: 70px 0 76px;
  text-align: center;
}
.legal-hero .eyebrow { color: #bfe9cf; }
.legal-hero h1 { color: #fff; margin-bottom: 16px; }
.legal-hero p {
  color: #dce8f6;
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.08rem;
}
.legal-hero__updated {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  padding: 7px 16px; border-radius: 999px;
  font-size: .86rem; font-weight: 600; margin-top: 22px;
}
.legal-hero__updated svg { width: 15px; height: 15px; color: #bfe9cf; }

/* Fil d'ariane sobre */
.legal-breadcrumb {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.legal-breadcrumb .container {
  display: flex; align-items: center; gap: 8px;
  padding-top: 14px; padding-bottom: 14px;
  color: var(--muted); flex-wrap: wrap;
}
.legal-breadcrumb a { font-weight: 600; }
.legal-breadcrumb svg { width: 15px; height: 15px; flex: none; }
.legal-breadcrumb span[aria-current] { color: var(--dark); font-weight: 600; }

/* Corps de page : fond clair + colonne de lecture confortable */
.legal-main { background: var(--light-bg); padding: 64px 0 84px; }
.legal-wrap { max-width: 860px; margin: 0 auto; }

/* Sommaire (carte d'introduction) */
.legal-toc {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.legal-toc h2 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin-bottom: 14px; }
.legal-toc ol { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 8px; counter-reset: toc; }
.legal-toc li { counter-increment: toc; }
.legal-toc a { display: inline-flex; gap: 10px; font-weight: 600; align-items: baseline; }
.legal-toc a::before {
  content: counter(toc);
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; padding: 0 5px;
  font-size: .76rem; font-weight: 700;
  color: var(--primary-blue); background: var(--primary-blue-light);
  border-radius: 6px;
}

/* Carte de contenu juridique */
.legal-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 38px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  scroll-margin-top: 150px;
}
.legal-card > h2 {
  font-size: 1.35rem;
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.legal-card > h2 .legal-num {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; padding: 0 8px;
  font-size: .9rem; font-weight: 800;
  color: #fff; background: var(--primary-green);
  border-radius: 9px;
}
.legal-card h3 {
  font-size: 1.08rem; color: var(--primary-blue-dark);
  margin: 1.6em 0 .5em;
}
.legal-card p { color: var(--text); margin: 0 0 1rem; }
.legal-card p:last-child { margin-bottom: 0; }
.legal-card ul { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: 10px; }
.legal-card ul li { position: relative; padding-left: 28px; color: var(--text); }
.legal-card ul li::before {
  content: '';
  position: absolute; left: 0; top: .55em;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary-green);
}
.legal-card strong { color: var(--dark); }

/* Encart coordonnées / contact mis en valeur */
.legal-callout {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--primary-blue-light);
  border: 1px solid #cfe0f3;
  border-left: 4px solid var(--primary-blue);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin: 4px 0 0;
}
.legal-callout svg { width: 22px; height: 22px; color: var(--primary-blue); flex: none; margin-top: 2px; }
.legal-callout p { margin: 0; color: var(--text); }
.legal-callout strong { display: block; color: var(--dark); margin-bottom: 2px; }

/* Pied de page de contenu : retour à l'accueil */
.legal-back {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 14px;
  margin-top: 16px;
}

@media (max-width: 560px) {
  .legal-hero { padding: 52px 0 56px; }
  .legal-main { padding: 48px 0 64px; }
  .legal-card { padding: 26px 22px; }
  .legal-toc { padding: 22px; }
}


/* =====================================================================
   16. HEADER COMPACT AU DÉFILEMENT (sticky qui se réduit en douceur)
   ===================================================================== */
.logo img { transition: height var(--transition), max-height var(--transition); }
.header-inner { transition: min-height var(--transition); }
.header-cta__ico { transition: width var(--transition), height var(--transition), background var(--transition); }

/* Quand on a défilé : logo + hauteur réduits */
.site-header.is-scrolled .header-inner { min-height: 74px; }
.site-header.is-scrolled .logo img { height: 58px; max-height: 58px; }
.site-header.is-scrolled .header-cta__ico { width: 38px; height: 38px; }

@media (max-width: 560px) {
  .site-header.is-scrolled .logo img { height: 46px; }
  .site-header.is-scrolled .header-inner { min-height: 62px; }
}

@media (prefers-reduced-motion: reduce) {
  .logo img, .header-inner, .header-cta__ico { transition: none !important; }
}