/* ==========================================================================
   ASSOCIATION DES AMIS DE LA BIBLIOTHEQUE DES HOPITAUX DE MONTPELLIER
   Portail Institutionnel - Feuille de Styles Principale (style.css)
   Conformité Loi 1901 & Standards Accessibilité Web 2026
   Palette : Bleu Royal (#002366), Or (#FFD700), Blanc Pur (#FFFFFF), Ardoise Sombre (#1A202C)
   ========================================================================== */

/* Variables CSS */
:root {
  --color-royal-blue: #002366;
  --color-royal-blue-hover: #001744;
  --color-royal-blue-light: #f0f4fc;
  --color-deep-gold: #FFD700;
  --color-deep-gold-hover: #e6c200;
  --color-deep-gold-dark: #b29500;
  --color-white: #ffffff;
  --color-slate-dark: #1A202C;
  --color-slate-medium: #2D3748;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;
  --color-success: #15803D;
  --color-success-bg: #DCFCE7;
  
  --font-serif: "Merriweather", "Georgia", "Cambria", serif;
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 35, 102, 0.08), 0 2px 4px -2px rgba(0, 35, 102, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 35, 102, 0.1), 0 4px 6px -4px rgba(0, 35, 102, 0.05);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --max-width: 1280px;
}

/* Reset et règles de base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-royal-blue);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

a:hover {
  color: var(--color-royal-blue-hover);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-royal-blue);
  line-height: 1.3;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.15rem;
}

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

li {
  margin-bottom: 0.4rem;
}

/* Conteneurs */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   EN-TÊTE INSTITUTIONNEL (header.php)
   ========================================================================== */

/* Ligne 1 : Bandeau Utilitaire Supérieur */
.top-utility-bar {
  background-color: #F4F6F9;
  color: #333333;
  height: 42px;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 0.825rem;
  display: flex;
  align-items: center;
}

.top-utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.official-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.official-id {
  color: var(--color-gray-600);
}

.official-id strong {
  color: var(--color-gray-900);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-box-sim {
  display: flex;
  align-items: center;
}

.search-box-sim input {
  padding: 4px 10px;
  font-size: 0.8rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-gray-800);
  width: 220px;
}

.search-box-sim input:focus {
  outline: 2px solid var(--color-royal-blue);
  border-color: transparent;
}

.lang-selector {
  font-weight: 600;
  color: var(--color-gray-700);
  display: flex;
  gap: 4px;
}

.lang-selector span.active {
  color: var(--color-royal-blue);
  text-decoration: underline;
}

/* Ligne 2 : Barre de Navigation Principale */
.main-header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-royal-blue);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none !important;
}

.brand-crest {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-royal-blue), #001233);
  color: var(--color-deep-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  border: 2px solid var(--color-deep-gold);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-royal-blue);
  line-height: 1.25;
  letter-spacing: -0.2px;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

/* Actions et Navigation */
.header-nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Menu de Navigation et Méga Menus */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-gray-800);
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-item:hover > .nav-link {
  color: var(--color-royal-blue);
  background-color: var(--color-royal-blue-light);
}

.nav-link.active {
  color: var(--color-royal-blue);
  border-bottom: 2px solid var(--color-deep-gold);
}

/* Méga Menus Déroulants */
.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 280px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-top: 3px solid var(--color-royal-blue);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  list-style: none;
  z-index: 1010;
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu {
  display: block;
}

.mega-menu li {
  margin: 0;
}

.mega-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.885rem;
  color: var(--color-gray-700);
  font-weight: 500;
  text-decoration: none !important;
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mega-link:hover {
  background-color: var(--color-royal-blue-light);
  color: var(--color-royal-blue);
  border-left-color: var(--color-deep-gold);
  font-weight: 600;
}

/* Boutons Institutionnels */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
  min-width: 44px;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--color-royal-blue);
  color: var(--color-white) !important;
  border-color: var(--color-royal-blue);
}

.btn-primary:hover {
  background-color: var(--color-royal-blue-hover);
  border-color: var(--color-royal-blue-hover);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background-color: var(--color-deep-gold);
  color: var(--color-slate-dark) !important;
  border-color: var(--color-deep-gold);
  font-weight: 700;
}

.btn-gold:hover {
  background-color: var(--color-deep-gold-hover);
  border-color: var(--color-deep-gold-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-royal-blue) !important;
  border-color: var(--color-royal-blue);
}

.btn-outline:hover {
  background-color: var(--color-royal-blue-light);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white) !important;
  border-color: var(--color-white);
}

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

/* Bouton hamburger mobile */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 1.25rem;
  color: var(--color-royal-blue);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* ==========================================================================
   STRUCTURE DE PAGE & BANNIÈRES
   ========================================================================== */

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

/* Bannière d'en-tête de page */
.page-header-banner {
  background: linear-gradient(135deg, #001744 0%, #002366 100%);
  color: var(--color-white);
  padding: 45px 0 40px;
  border-bottom: 4px solid var(--color-deep-gold);
  margin-bottom: 35px;
}

.page-header-banner h1 {
  color: var(--color-white);
  margin-bottom: 12px;
}

.page-header-banner p.lead {
  font-size: 1.15rem;
  color: var(--color-gray-200);
  max-width: 850px;
  margin-bottom: 0;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-gray-300);
  margin-bottom: 14px;
  list-style: none;
  padding: 0;
}

.breadcrumb a {
  color: var(--color-deep-gold);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   LAYOUT À DEUX COLONNES (3fr 1fr)
   ========================================================================== */
.two-column-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 36px;
  margin-bottom: 50px;
}

.main-content-col {
  min-width: 0;
}

.sidebar-col {
  min-width: 0;
}

/* Cartes et Blocs de la Sidebar */
.sidebar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-top: 4px solid var(--color-royal-blue);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card.gold-accent {
  border-top-color: var(--color-deep-gold);
}

.sidebar-title {
  font-size: 1.15rem;
  color: var(--color-royal-blue);
  border-bottom: 2px solid var(--color-gray-100);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.chiffres-cles-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chiffre-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed var(--color-gray-200);
  padding-bottom: 10px;
}

.chiffre-nombre {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-royal-blue);
  min-width: 75px;
}

.chiffre-label {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  line-height: 1.35;
}

.quick-facts-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.quick-facts-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 0.885rem;
}

.quick-facts-list li strong {
  color: var(--color-gray-900);
  display: block;
}

/* ==========================================================================
   COMPOSANTS SPÉCIFIQUES NONPROFIT LOI 1901
   ========================================================================== */

/* Déclaration d'utilité publique et réinvestissement */
.statement-banner {
  background-color: var(--color-royal-blue-light);
  border-left: 5px solid var(--color-royal-blue);
  padding: 18px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0 32px;
}

.statement-banner p {
  margin-bottom: 8px;
  color: var(--color-gray-800);
}

.statement-banner p:last-child {
  margin-bottom: 0;
}

.statement-banner .reinvestment-clause {
  font-weight: 700;
  color: var(--color-royal-blue);
}

/* Hero Frame Spécifique pour index.php */
.hero-frame {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

.hero-content {
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-tag {
  display: inline-block;
  background-color: var(--color-deep-gold);
  color: var(--color-slate-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  align-self: flex-start;
}

.hero-title {
  font-size: 2.15rem;
  margin-bottom: 16px;
  line-height: 1.25;
}

.hero-summary-2-sentences {
  font-size: 1.05rem;
  color: var(--color-gray-700);
  line-height: 1.6;
  margin-bottom: 18px;
  font-weight: 500;
}

.hero-funding-statement {
  background-color: var(--color-gray-100);
  border-left: 3px solid var(--color-deep-gold);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  min-height: 380px;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Catalogue opérationnel et Grilles de Cartes */
.cards-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 30px 0 45px;
}

.program-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.program-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-img-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-gray-200);
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-status-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--color-success);
  color: var(--color-white);
  font-size: 0.725rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card-text {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  margin-bottom: 16px;
  flex: 1;
}

.card-footer-action {
  padding-top: 12px;
  border-top: 1px solid var(--color-gray-100);
}

/* Tableaux Financiers et Réglementaires */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 25px 0;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.financial-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.financial-table th,
.financial-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-gray-200);
}

.financial-table th {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.financial-table tr:last-child td {
  border-bottom: none;
}

.financial-table tr:nth-child(even) td {
  background-color: var(--color-gray-50);
}

.financial-table tfoot td {
  background-color: var(--color-royal-blue-light);
  font-weight: 700;
  color: var(--color-royal-blue);
}

/* Formulaires Institutionnels */
.form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.925rem;
  margin-bottom: 6px;
  color: var(--color-gray-800);
}

.form-label span.req {
  color: #DC2626;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-gray-800);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-royal-blue);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-gray-600);
  margin-top: 4px;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--color-gray-700);
}

.form-checkbox-label input {
  margin-top: 4px;
  min-height: 18px;
  min-width: 18px;
}

/* Roadmap et Onboarding de Transparence */
.roadmap-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 30px 0;
}

.roadmap-step {
  display: flex;
  gap: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-left: 5px solid var(--color-royal-blue);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

.roadmap-number {
  background-color: var(--color-royal-blue);
  color: var(--color-deep-gold);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

.roadmap-info h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.roadmap-info p {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Blocs Accordéon FAQ */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 25px 0;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  background-color: var(--color-gray-50);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-royal-blue);
  border-bottom: 1px solid var(--color-gray-200);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 18px 20px;
  font-size: 0.95rem;
  color: var(--color-gray-700);
  background-color: var(--color-white);
}

/* ==========================================================================
   PIED DE PAGE INSTITUTIONNEL (footer.php)
   ========================================================================== */

.main-footer {
  background-color: var(--color-slate-dark);
  color: var(--color-gray-200);
  padding: 55px 0 0;
  margin-top: auto;
  border-top: 4px solid var(--color-deep-gold);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 45px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
  border-bottom: 2px solid var(--color-deep-gold);
  padding-bottom: 10px;
  margin-bottom: 18px;
  display: inline-block;
}

.footer-col p {
  color: var(--color-gray-300);
  font-size: 0.885rem;
  margin-bottom: 12px;
}

.footer-admin-tags {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.footer-admin-badge {
  font-size: 0.8rem;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-gray-200);
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: 9px;
}

.footer-links-list a {
  color: var(--color-gray-300);
  text-decoration: none;
  display: inline-block;
  padding: 4px 0;
  font-size: 0.885rem;
  min-height: 36px;
  display: flex;
  align-items: center;
  transition: all 0.2s ease;
}

.footer-links-list a:hover {
  color: var(--color-deep-gold);
  padding-left: 4px;
  text-decoration: none;
}

.footer-bottom-legal {
  padding: 25px 0;
  background-color: #121620;
}

.base-legal-text {
  font-size: 0.775rem;
  line-height: 1.65;
  color: #94A3B8;
  text-align: justify;
  margin-bottom: 0;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (@media (max-width: 992px) & 768px)
   ========================================================================== */

@media (max-width: 992px) {
  .two-column-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    padding: 30px;
  }
  
  .hero-image-wrapper {
    min-height: 280px;
  }
  
  .top-bar-right .search-box-sim {
    display: none;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .top-utility-bar {
    height: auto;
    padding: 6px 0;
  }
  
  .top-utility-bar .container {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  
  .brand-crest {
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
  }
  
  .brand-title {
    font-size: 1rem;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  /* Menu Mobile Déroulant */
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 15px 20px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-gray-200);
    gap: 0;
  }
  
  .nav-menu.is-open {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 10px;
    border-bottom: 1px solid var(--color-gray-100);
  }
  
  .mega-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-royal-blue);
    padding-left: 10px;
    background-color: var(--color-gray-50);
  }
  
  .header-nav-actions .btn {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .chiffre-item {
    flex-direction: column;
    gap: 4px;
  }
  
  .chiffre-nombre {
    font-size: 1.5rem;
  }
}