/* ==========================================================================
   GUIDE CESU INFO — STYLES PRINCIPAUX
   Site d'information indépendant sur le CESU et l'emploi à domicile en France
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Palette de couleurs institutionnelle et moderne */
  --color-primary-900: #0f172a;
  --color-primary-800: #1e293b;
  --color-primary-700: #1e3a8a;
  --color-primary-600: #1d4ed8;
  --color-primary-500: #2563eb;
  --color-primary-400: #3b82f6;
  --color-primary-100: #dbeafe;
  --color-primary-50:  #eff6ff;

  --color-accent-600: #b45309;
  --color-accent-500: #d97706;
  --color-accent-400: #f59e0b;
  --color-accent-100: #fef3c7;
  --color-accent-50:  #fffbeb;

  --color-success-700: #047857;
  --color-success-600: #059669;
  --color-success-100: #d1fae5;
  --color-success-50:  #ecfdf5;

  --color-warning-700: #b45309;
  --color-warning-100: #fef3c7;

  --color-danger-600: #dc2626;
  --color-danger-100: #fee2e2;

  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50:  #f8fafc;
  --color-white:     #ffffff;

  /* Typographie */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --base-font-size: 16px;

  /* Ombres & Élévations */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  /* Rayons de bordure */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Largeurs */
  --container-max-width: 1240px;
}

/* Mode contraste élevé pour accessibilité */
body.high-contrast {
  --color-primary-900: #000000;
  --color-primary-700: #002b80;
  --color-primary-500: #0044cc;
  --color-slate-900: #000000;
  --color-slate-800: #0a0a0a;
  --color-slate-700: #1a1a1a;
  --color-slate-600: #2a2a2a;
  --color-slate-100: #f0f0f0;
  --color-slate-50:  #ffffff;
  --shadow-md: 0 0 0 2px #000000;
  --shadow-lg: 0 0 0 3px #000000;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-slate-700);
  background-color: var(--color-slate-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typographie de base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-slate-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.35rem; }
h2 { font-size: 1.85rem; margin-bottom: 1rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.15rem;
}

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

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-800);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-primary-500);
  outline-offset: 2px;
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

/* Barre de progression de lecture */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-400));
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease;
}

/* ==========================================================================
   BANDEAU D'INDÉPENDANCE ET TRANSPARENCE (HAUT DE PAGE)
   ========================================================================== */
.top-disclaimer-banner {
  background-color: var(--color-primary-900);
  color: var(--color-slate-200);
  font-size: 0.825rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-disclaimer-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-disclaimer-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-independent {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.top-disclaimer-banner a.official-link {
  color: var(--color-accent-400);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.top-disclaimer-banner a.official-link:hover {
  color: #ffffff;
}

.accessibility-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.a11y-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.a11y-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 900;
  border-bottom: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-500));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.15rem;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-slate-900);
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.logo-title span {
  color: var(--color-primary-600);
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--color-slate-500);
  font-weight: 500;
}

/* Nav Desktop */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-slate-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  min-width: 250px;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-200);
  padding: 0.5rem;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 950;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: flex;
  animation: fadeInDown 0.2s ease forwards;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-link {
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  color: var(--color-slate-700);
  border-radius: var(--radius-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.dropdown-link:hover, .dropdown-link.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  padding-left: 1.05rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-cta {
  background: var(--color-primary-600);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn-header-cta:hover {
  background: var(--color-primary-700);
  color: #ffffff;
  transform: translateY(-1px);
}

.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-slate-800);
}

/* ==========================================================================
   LAYOUT & CONTENEURS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.main-content {
  flex: 1 0 auto;
}

.section-padding {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-padding-sm {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.bg-white { background-color: var(--color-white); }
.bg-slate-50 { background-color: var(--color-slate-50); }
.bg-slate-100 { background-color: var(--color-slate-100); }
.bg-primary-50 { background-color: var(--color-primary-50); }
.bg-primary-900 { background-color: var(--color-primary-900); color: #ffffff; }

/* Breadcrumbs */
.breadcrumb-wrap {
  padding: 1rem 0;
  background-color: var(--color-slate-100);
  border-bottom: 1px solid var(--color-slate-200);
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.5rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-slate-500);
}

.breadcrumb-item a {
  color: var(--color-slate-600);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--color-primary-600);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-slate-800);
  font-weight: 600;
}

.breadcrumb-separator {
  color: var(--color-slate-400);
  font-size: 0.75rem;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #1d4ed8 100%);
  color: #ffffff;
  padding: 4.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.15), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 0.825rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(4px);
}

.hero-title {
  color: #ffffff;
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--color-accent-400);
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-slate-200);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-trust-points {
  display: flex;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  color: var(--color-slate-200);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-item svg {
  color: var(--color-accent-400);
  flex-shrink: 0;
}

/* Page Header générique pour pages internes */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
  color: #ffffff;
  padding: 3rem 0;
}

.page-header h1 {
  color: #ffffff;
  font-size: 2.35rem;
  margin-bottom: 0.75rem;
}

.page-header p.lead {
  color: var(--color-slate-200);
  font-size: 1.1rem;
  max-width: 800px;
  line-height: 1.55;
}

/* ==========================================================================
   BOUTONS & CALL TO ACTION
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary-600);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-700);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent-500);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  background-color: var(--color-accent-600);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  color: #ffffff;
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--color-primary-500);
  color: var(--color-primary-600);
}

.btn-outline-primary:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   CARTES, GRILLES ET MODULES DE CONTENU
   ========================================================================== */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.content-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-400);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.card-icon.accent {
  background: var(--color-accent-50);
  color: var(--color-accent-500);
}

.card-icon.success {
  background: var(--color-success-50);
  color: var(--color-success-600);
}

.content-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.content-card p {
  color: var(--color-slate-600);
  font-size: 0.95rem;
  flex-grow: 1;
}

.card-footer-link {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary-600);
}

.card-footer-link:hover {
  gap: 0.6rem;
  color: var(--color-primary-800);
}

/* Encadrés d'avertissement & Disclaimers */
.disclaimer-box {
  background-color: var(--color-primary-50);
  border-left: 4px solid var(--color-primary-600);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.disclaimer-box.warning {
  background-color: var(--color-accent-50);
  border-left-color: var(--color-accent-500);
}

.disclaimer-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-slate-900);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.disclaimer-box p {
  font-size: 0.925rem;
  color: var(--color-slate-700);
  margin: 0;
}

/* Callout officiel */
.official-portal-card {
  background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
  border: 2px dashed var(--color-primary-400);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.portal-text h4 {
  font-size: 1.3rem;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.portal-text p {
  font-size: 0.95rem;
  color: var(--color-slate-600);
  margin: 0;
}

/* Section d'en-tête de contenu */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 2.15rem;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-slate-600);
}

/* ==========================================================================
   TABLEAUX STYLISÉS & CHIFFRES CLÉS
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-xs);
}

.styled-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  background: #ffffff;
}

.styled-table thead {
  background-color: var(--color-slate-100);
  color: var(--color-slate-900);
  font-family: var(--font-heading);
}

.styled-table th {
  padding: 1rem 1.25rem;
  font-weight: 700;
  border-bottom: 2px solid var(--color-slate-200);
}

.styled-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-slate-200);
  color: var(--color-slate-700);
}

.styled-table tbody tr:hover {
  background-color: var(--color-slate-50);
}

/* ==========================================================================
   STRUCTURE D'ARTICLE & GUIDE DÉTAILLÉ
   ========================================================================== */
.article-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: 90px;
  background: #ffffff;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-slate-200);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc-link {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover, .toc-link.active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
  border-left-color: var(--color-primary-600);
  font-weight: 600;
  padding-left: 0.75rem;
}

.article-body {
  background: #ffffff;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xs);
}

.article-body h2 {
  font-size: 1.65rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-slate-200);
}

.article-body h2:first-of-type {
  margin-top: 0;
}

.article-body h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.step-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  background-color: var(--color-slate-50);
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary-600);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.step-content p {
  font-size: 0.925rem;
  color: var(--color-slate-600);
  margin: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-900);
  color: var(--color-slate-300);
  padding: 4.5rem 0 2rem;
  margin-top: auto;
  border-top: 3px solid var(--color-primary-600);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-slate-400);
  margin-bottom: 1.25rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--color-slate-400);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 0.35rem;
}

.footer-disclaimer {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--color-slate-300);
}

.footer-disclaimer strong {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: var(--color-slate-500);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a {
  color: var(--color-slate-400);
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* Bouton Retour en Haut */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary-600);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 800;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-700);
  transform: translateY(-3px);
}