/* ==========================================================================
   CDOMS HÉRAULT (LOI 1901) - FEUILLE DE STYLE MODULAIRE INSTITUTIONNELLE
   Palette: Royal Blue (#002366), Deep Gold (#FFD700), Gris Clair (#F4F6F9), Blanc (#FFFFFF)
   Conforme aux directives d'accessibilité WCAG AA et de performance mobile native.
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001642;
  --color-primary-light: #0d388e;
  --color-accent: #FFD700;
  --color-accent-hover: #e6c200;
  --color-bg-light: #F4F6F9;
  --color-bg-alt: #EBF0F7;
  --color-white: #FFFFFF;
  --color-text-main: #1A202C;
  --color-text-muted: #4A5568;
  --color-border: #D2D6DC;
  --color-border-light: #E5E7EB;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --transition: all 0.25s ease-in-out;
}

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

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover, a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1.2rem; }

/* ==========================================================================
   HEADER SYSTEM (DOUBLE-DECKER TRUST GRID)
   ========================================================================== */

/* Row 1: Top Utility Strip */
.top-utility-bar {
  background: #F4F6F9;
  color: #333333;
  height: 42px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 10000;
}

.top-utility-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-rna-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.badge-republic {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.utility-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.search-simulation {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 12px;
}

.search-simulation input {
  border: none;
  outline: none;
  font-size: 12px;
  background: transparent;
  width: 150px;
  color: var(--color-text-main);
}

.lang-selector {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

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

/* Row 2: Main Navigation Bar */
.main-header {
  background: var(--color-white);
  border-bottom: 3px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 9990;
}

.main-header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

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

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: -0.2px;
}

.brand-sub {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Navigation Menu */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-nav {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link:hover, .nav-link:focus {
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  min-width: 250px;
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  list-style: none;
  padding: 8px 0;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.2s ease-in-out;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-main);
  transition: var(--transition);
}

.dropdown-menu li a:hover,
.dropdown-menu li a:focus {
  background: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: 20px;
  text-decoration: none;
}

/* High-Contrast Action Button */
.btn-contact-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-accent-hover);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-contact-action:hover,
.btn-contact-action:focus {
  background: var(--color-accent-hover);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-primary-action:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  text-decoration: none;
}

.btn-outline-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.btn-outline-action:hover {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* Mobile Hamburger Toggle */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 1.2rem;
  min-height: 44px;
  min-width: 44px;
}

/* ==========================================================================
   MAIN CONTENT & TWO-COLUMN TRUST GRID
   ========================================================================== */

.page-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 30px 20px;
  flex: 1;
}

/* Institutional Hero Section */
.hero-institutionnel {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  margin-bottom: 35px;
}

.hero-banner-container {
  position: relative;
  width: 100%;
  max-height: 420px;
  overflow: hidden;
}

.hero-banner-container img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 0;
}

.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(0, 35, 102, 0) 0%, rgba(0, 35, 102, 0.92) 90%);
  color: var(--color-white);
  padding: 30px 25px 20px 25px;
}

.hero-overlay h1 {
  color: var(--color-white);
  font-size: 2.2rem;
  margin-bottom: 8px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-body-intro {
  padding: 24px 25px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
}

.summary-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text-main);
  font-weight: 500;
  border-left: 4px solid var(--color-accent);
  padding-left: 18px;
  margin-bottom: 16px;
}

.funding-disclosure-banner {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.9rem;
  color: #1E40AF;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Two-Column Grid: 3fr main content / 1fr side-rail */
.two-column-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 30px;
  margin-bottom: 35px;
}

.main-column {
  background: var(--color-white);
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.side-rail {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.side-card {
  background: var(--color-white);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.side-card.accent-card {
  border-top: 3px solid var(--color-accent);
}

.side-card.primary-card {
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
}

.side-card.primary-card h3,
.side-card.primary-card h4 {
  color: var(--color-white);
}

.side-card.primary-card p,
.side-card.primary-card li {
  color: #E2E8F0;
}

/* Key Metrics Box ("Chiffres Clés") */
.stat-metric-block {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.stat-metric-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.side-card.primary-card .stat-number {
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 2px;
}

.side-card.primary-card .stat-label {
  color: #CBD5E1;
}

/* Cards & Lists */
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.institutional-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.status-badge {
  display: inline-block;
  background: #DEF7EC;
  color: #03543F;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  margin-bottom: 10px;
  width: fit-content;
}

.status-badge.update {
  background: #E1EFFE;
  color: #1E429F;
}

.roadmap-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 25px 0;
}

.roadmap-step {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.roadmap-step-num {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

/* Institutional Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
}

table.institutional-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

table.institutional-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}

table.institutional-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-main);
}

table.institutional-table tr:nth-child(even) {
  background: var(--color-bg-light);
}

table.institutional-table tr:hover {
  background: #E8EEF7;
}

/* Forms */
.institutional-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text-main);
  background: var(--color-white);
  min-height: 44px;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.15);
}

/* Notice Box */
.notice-box {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  font-size: 0.95rem;
}

/* ==========================================================================
   FOOTER SYSTEM
   ========================================================================== */

.main-footer {
  background: var(--color-primary-dark);
  color: #D1D5DB;
  border-top: 4px solid var(--color-accent);
  padding-top: 45px;
  margin-top: auto;
  font-size: 0.9rem;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 30px;
  margin-bottom: 35px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
  padding-bottom: 4px;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #9CA3AF;
  margin-bottom: 10px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #D1D5DB;
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-legal-bar {
  background: #000F2E;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-legal-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #9CA3AF;
  line-height: 1.6;
}

.footer-legal-container a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 992px) {
  .two-column-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }
  
  .brand-name {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .top-utility-bar {
    height: auto;
    padding: 8px 15px;
  }
  
  .top-utility-container {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  
  .search-simulation {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 15px;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--color-primary);
  }
  
  .nav-wrapper.active {
    display: flex;
  }
  
  .main-nav {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 14px;
    min-height: 44px;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-bg-light);
    border-left: 3px solid var(--color-accent);
    padding-left: 10px;
    margin-bottom: 8px;
    display: none;
  }
  
  .nav-item.active .dropdown-menu {
    display: block;
  }
  
  .btn-contact-action {
    width: 100%;
    margin-top: 10px;
    min-height: 44px;
  }
  
  .hero-banner-container img {
    height: 250px;
  }
  
  .hero-overlay h1 {
    font-size: 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .page-container {
    padding: 15px 12px;
  }
  
  .main-column {
    padding: 20px 15px;
  }
}