/* ==========================================================================
   Bezons Innove — feuille de style commune
   Mobile-first · accessible (AA) · sans dépendance hors Google Fonts
   --------------------------------------------------------------------------
   Sommaire :
   1.  Variables (couleurs, espacements, typo) — modifiables en un seul endroit
   2.  Base & reset
   3.  Typographie
   4.  Mise en page (container, sections)
   5.  Boutons
   6.  En-tête & navigation
   7.  Hero
   8.  Cartes génériques
   9.  Programme (format + créneaux)
   10. Étapes
   11. Tarifs
   12. FAQ (accordéon)
   13. Contact / formulaire
   14. Pied de page
   15. Page mentions légales
   16. Media queries (tablette / desktop)
   17. Accessibilité (focus, reduced-motion)
   ========================================================================== */

/* ============================ 1. VARIABLES ============================ */
:root {
  /* Couleurs principales (issues du logo : indigo → teal) */
  --color-primary: #232a86;          /* bleu indigo profond — confiance, tech */
  --color-primary-dark: #161d5e;
  --color-primary-light: #3a44b0;
  --color-secondary: #16a394;        /* teal — accent froid, décoratif */
  --color-secondary-dark: #0f7d72;

  /* Accent chaud (énergie locale) */
  --color-accent: #e85d3c;           /* corail d'affichage (décoratif) */
  --color-accent-dark: #c13d18;      /* fond des boutons (texte blanc AA : ~5.3:1) */
  --color-accent-hover: #a8330f;     /* survol des boutons */

  /* Neutres clairs */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6fb;           /* fond des sections alternées */
  --color-surface: #ffffff;
  --color-border: #e2e6f0;
  --color-text: #20243a;             /* texte principal (AA sur blanc) */
  --color-text-soft: #4a5072;        /* texte secondaire */
  --color-text-invert: #ffffff;

  /* Dégradés */
  --gradient-hero: linear-gradient(135deg, #1c2473 0%, #2b3a9e 48%, #155e7d 100%);
  --gradient-brand: linear-gradient(135deg, #2b2a8c 0%, #2563d6 55%, #22b07a 100%);

  /* Rayons & ombres */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(22, 29, 94, 0.08);
  --shadow: 0 8px 24px rgba(22, 29, 94, 0.10);
  --shadow-lg: 0 18px 40px rgba(22, 29, 94, 0.16);

  /* Mise en page */
  --container: 1120px;
  --container-narrow: 760px;
  --header-h: 68px;

  /* Typographie */
  --font-base: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ============================ 2. BASE & RESET ============================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px); /* décalage pour le header fixe */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary-light);
}

ul {
  margin: 0;
  padding: 0;
}

/* Lien d'évitement (accessibilité clavier) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

/* ============================ 3. TYPOGRAPHIE ============================ */
h1, h2, h3 {
  margin: 0 0 0.5em;
  line-height: 1.2;
  color: var(--color-primary-dark);
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.15rem; font-weight: 700; }

p { margin: 0 0 1rem; }

strong { font-weight: 700; }

/* ============================ 4. MISE EN PAGE ============================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: 3.5rem 0;
  scroll-margin-top: var(--header-h);
}
.section-alt {
  background: var(--color-bg-alt);
}

.section-intro {
  color: var(--color-text-soft);
  font-size: 1.05rem;
  max-width: 60ch;
  margin-bottom: 2rem;
}

/* Grilles de cartes */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

/* ============================ 5. BOUTONS ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-accent {
  background: var(--color-accent-dark);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.92rem;
}
.btn-block {
  width: 100%;
}

/* ============================ 6. EN-TÊTE & NAVIGATION ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-primary-dark);
  font-weight: 800;
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}
.brand-name {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

/* Navigation */
.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.main-nav a {
  display: inline-block;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.98rem;
}
.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}
.main-nav .nav-cta {
  color: #fff;
  margin-left: 0.35rem;
}
.main-nav .nav-cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

/* Bouton hamburger (masqué sur desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-primary-dark);
  border-radius: 2px;
}

/* ============================ 7. HERO ============================ */
.hero {
  background: var(--gradient-hero);
  color: var(--color-text-invert);
  padding: 3.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
/* Motif décoratif léger en arrière-plan */
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(34, 176, 122, 0.35), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.75rem;
}
.hero h1 {
  color: #fff;
  margin-bottom: 0.6rem;
}
.hero-lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 56ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0 1rem;
}
/* Le bouton fantôme passe en blanc sur le fond foncé du hero */
.hero .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.8);
}
.hero .btn-ghost:hover {
  background: #fff;
  color: var(--color-primary-dark);
}
.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.98rem;
  color: #fff;
  margin: 0;
}

.icon-inline {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ============================ 8. CARTES GÉNÉRIQUES ============================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  margin-bottom: 0.9rem;
}
.card-icon svg {
  width: 26px;
  height: 26px;
}
.card h3 { margin-bottom: 0.4rem; }
.card p { margin: 0; color: var(--color-text-soft); }

/* ============================ 9. PROGRAMME ============================ */
/* Encadré format pédagogique */
.format-box {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}
.format-title {
  color: #fff;
  margin-bottom: 0.9rem;
}
.format-list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}
.format-list li {
  position: relative;
  padding-left: 1.6rem;
  color: rgba(255, 255, 255, 0.95);
}
.format-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-secondary);
}

/* Cartes de cours */
.course-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  border-top: 4px solid var(--color-primary);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.course-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.course-day {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}
.course-time {
  font-weight: 700;
  color: var(--color-secondary-dark);
  font-size: 0.95rem;
}
.course-card h3 {
  margin: 0.2rem 0 0.4rem;
  font-size: 1.3rem;
}
.course-tag {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.course-card p { color: var(--color-text-soft); }
.course-byod {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--color-border);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
}
.course-byod .icon-inline { margin-top: 0.15em; }

/* Étiquettes de public */
.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.badge-adult {
  background: #e7e9fb;
  color: #2a2f7a;
}
.badge-teen {
  background: #d8f3ee;
  color: #0c6357;
}

/* ============================ 10. ÉTAPES ============================ */
.steps {
  list-style: none;
  display: grid;
  gap: 1.25rem;
  counter-reset: step;
}
.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { margin: 0; color: var(--color-text-soft); }

/* ============================ CERTIFICAT ============================ */
/* Encart discret : petite médaille + explication (pourquoi) + bénéfices */
.certificate {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.certificate-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.certificate-badge {
  flex-shrink: 0;
  width: 58px;
  height: 58px;
}
.certificate-badge svg {
  width: 58px;
  height: 58px;
  filter: drop-shadow(0 3px 6px rgba(22, 29, 94, 0.18));
}
.certificate-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-secondary-dark);
  margin: 0 0 0.15rem;
}
.certificate-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
}
.certificate-intro {
  color: var(--color-text-soft);
  margin-bottom: 1.25rem;
}
.certificate-benefits {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}
.certificate-benefits li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--color-text-soft);
}
.certificate-benefits strong {
  display: block;
  color: var(--color-text);
  margin-bottom: 0.1rem;
}
/* Coche dorée */
.certificate-benefits li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.35em;
  width: 0.45em;
  height: 0.82em;
  border: solid var(--color-accent-dark);
  border-width: 0 0.2em 0.2em 0;
  transform: rotate(45deg);
}

/* ============================ 11. TARIFS ============================ */
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.price-card-featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow);
}
.price {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0.4rem 0 0.8rem;
}
.price-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}
.price-unit {
  color: var(--color-text-soft);
  font-weight: 600;
}
.price-card p { color: var(--color-text-soft); margin: 0; }
.pricing-notes {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.pricing-notes li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--color-text);
}
.pricing-notes .icon-inline {
  color: var(--color-secondary-dark);
  margin-top: 0.2em;
}
.pricing-cta {
  margin-top: 1.75rem;
}
/* Rappel de prix dans la carte d'inscription */
.inscription-price {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 0 0 1.1rem;
  color: var(--color-text);
}

/* ============================ 12. FAQ (ACCORDÉON) ============================ */
.faq {
  display: grid;
  gap: 0.75rem;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-q { margin: 0; font-size: 1rem; }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: left;
}
.faq-trigger:hover { color: var(--color-primary); }
.faq-chevron {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.faq-trigger[aria-expanded="true"] .faq-chevron {
  transform: rotate(-135deg);
}
.faq-a {
  padding: 0 1.25rem 1.2rem;
}
.faq-a p {
  margin: 0;
  color: var(--color-text-soft);
}

/* ============================ 13. CONTACT / FORMULAIRE ============================ */
.contact-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.contact-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.field {
  margin-bottom: 1rem;
}
.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}
.req { color: var(--color-accent-dark); }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(35, 42, 134, 0.18);
}
.form-hint {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin: 0.8rem 0 0;
}

/* Bloc coordonnées */
.contact-info {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
}
.contact-info h3 { color: #fff; }
.contact-line {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-bottom: 1rem;
}
.contact-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
}
.contact-info a {
  color: #fff;
  font-weight: 600;
}
.contact-info strong { color: #ffd9cc; }
.contact-trial {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

/* Réseaux sociaux (contact + pied de page) */
.social-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.social-link:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}
.social-link svg {
  width: 20px;
  height: 20px;
}
.footer-social {
  margin-top: 1rem;
}

/* ============================ 14. PIED DE PAGE ============================ */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem 0;
}
.footer-inner {
  display: grid;
  gap: 1.5rem;
}
.footer-logo {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  width: auto;
  height: auto;
  max-width: 220px;
  margin-bottom: 0.75rem;
}
.footer-baseline {
  font-weight: 600;
  color: #fff;
  margin: 0;
  max-width: 36ch;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}
.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 600;
}
.footer-nav a:hover { color: #fff; text-decoration: underline; }
.footer-legal {
  font-size: 0.9rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}
.footer-legal strong { color: rgba(255, 255, 255, 0.9); font-weight: 600; }

/* ============================ 15. PAGE MENTIONS LÉGALES ============================ */
.legal-hero {
  background: var(--color-bg-alt);
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.legal-hero .hero-eyebrow {
  color: var(--color-text-soft);
}
.legal-hero .hero-eyebrow a { color: var(--color-primary); }
.legal-hero h1 { color: var(--color-primary-dark); }
.legal-content .legal-block {
  margin-bottom: 2rem;
}
.legal-block h2 {
  font-size: 1.4rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-border);
}
.legal-block h3 {
  margin-top: 1.25rem;
  color: var(--color-primary);
}
.legal-list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
}
.legal-list li {
  padding-left: 1.1rem;
  position: relative;
  color: var(--color-text-soft);
}
.legal-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-secondary-dark);
}
.legal-block p { color: var(--color-text-soft); }
.legal-block strong { color: var(--color-text); }
.legal-updated {
  font-size: 0.9rem;
  color: var(--color-text-soft);
}
.back-home { margin-top: 1.5rem; }

/* ============================ 16. MEDIA QUERIES ============================ */

/* Petites tablettes : grilles à 2 colonnes */
@media (min-width: 600px) {
  .cards-2 { grid-template-columns: repeat(2, 1fr); }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .pricing-notes { grid-template-columns: 1fr; }
}

/* Desktop : navigation horizontale, grilles plus larges */
@media (min-width: 900px) {
  .section { padding: 4.5rem 0; }
  .cards-4 { grid-template-columns: repeat(4, 1fr); }

  .certificate { padding: 2.25rem 2.5rem; }
  .certificate-benefits { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .certificate-benefits li { padding-left: 1.5rem; }

  .contact-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .footer-inner {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
  }
  .footer-legal { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.15); }
}

/* Comportement du menu mobile (en dessous de 860px) */
@media (max-width: 859px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .main-nav.is-open {
    max-height: 80vh;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
  }
  .main-nav li { width: 100%; }
  .main-nav a {
    display: block;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }
  .main-nav .nav-cta {
    margin: 0.75rem 0 0;
    text-align: center;
    border-bottom: 0;
  }
}

/* ============================ 17. ACCESSIBILITÉ ============================ */
/* Indicateur de focus visible et homogène au clavier */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Respect de la préférence « mouvement réduit » */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}