/* ==========================================================================
   STYLE.CSS - PORTAIL INSTITUTIONNEL CHOUETTE ALORS ! (LOI 1901)
   Palette : Bleu Royal (#002366), Or Profond (#FFD700), Gris (#F4F6F9), Blanc (#FFFFFF)
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001845;
  --color-primary-light: #0d3b8c;
  --color-accent: #FFD700;
  --color-accent-hover: #e6c200;
  --color-bg-light: #F4F6F9;
  --color-white: #FFFFFF;
  --color-text-main: #1A253C;
  --color-text-muted: #475569;
  --color-border: #E2E8F0;
  --color-border-subtle: #CBD5E1;
  --shadow-sm: 0 1px 3px rgba(0, 35, 102, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 35, 102, 0.12);
  --shadow-lg: 0 10px 24px rgba(0, 35, 102, 0.14);
  --font-heading: 'Cinzel', 'Georgia', 'Playfair Display', serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.25s ease-in-out;
  --container-width: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Typographie & Titres */
h1, h2, h3, h4, .brand-title {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

h1 {
  font-size: 2.35rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.85rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

h3 {
  font-size: 1.35rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.15rem;
  max-width: 75ch;
  color: var(--color-text-main);
}

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

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

/* ==========================================================================
   DOUBLE-DECKER TRUST GRID HEADER
   ========================================================================== */

.site-header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

/* Row 1 : Top Utility Strip */
.top-utility-strip {
  background: #F4F6F9;
  color: #333333;
  height: 42px;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
}

.top-utility-strip .rna-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
}

.top-utility-strip .rna-pill {
  background: #E2E8F0;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: monospace;
  letter-spacing: 0.5px;
  color: #0F172A;
}

.top-utility-strip .utility-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.search-box-sim {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 12px;
}

.search-box-sim input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 12px;
  width: 140px;
  color: #333;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
}

/* Row 2 : Main Navigation Bar */
.main-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 76px;
  max-width: 1360px;
  margin: 0 auto;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-symbol {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(0, 35, 102, 0.25);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.brand-subline {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748B;
  font-weight: 600;
}

/* Navigation Links & Dropdowns */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-radius: 4px;
  transition: var(--transition);
  white-space: nowrap;
  min-height: 44px;
}

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

.dropdown-arrow {
  font-size: 10px;
  transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-arrow {
  transform: translateY(2px);
}

/* Dropdown Menu CSS */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 6px 6px;
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 9999;
}

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

.dropdown-menu li {
  width: 100%;
}

.dropdown-menu a {
  display: block;
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-main);
  border-left: 3px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.dropdown-menu a:hover {
  background-color: var(--color-bg-light);
  border-left-color: var(--color-accent);
  color: var(--color-primary);
  padding-left: 22px;
}

/* Header Action Button */
.header-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-accent) !important;
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 22px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--color-primary-dark);
  min-height: 44px;
  min-width: 110px;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.header-cta-btn:hover {
  background: var(--color-primary-dark);
  color: #FFF !important;
  text-decoration: none;
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 26px;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
}

/* ==========================================================================
   LAYOUT STRUCTURE & GRIDS
   ========================================================================== */

.page-wrapper {
  flex: 1;
  width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
}

/* Two-Column Desktop Grid (3fr main content / 1fr side-rail) */
.content-grid-3-1 {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 36px;
  align-items: start;
}

.main-column {
  background: var(--color-white);
  padding: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.sidebar-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Institutional Hero Framework */
.hero-section {
  position: relative;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 30px;
}

.hero-image-container {
  width: 100%;
  max-height: 480px;
  overflow: hidden;
  position: relative;
  background-color: #0F172A;
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.hero-content-banner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 36px 24px 44px 24px;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-block;
  background: #EBF3FF;
  color: var(--color-primary);
  border: 1px solid #BFDBFE;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
}

.status-badge.accent {
  background: #FEF9C3;
  color: #854D0E;
  border-color: #FDE047;
}

.hero-lead-summary {
  font-size: 1.18rem;
  font-weight: 500;
  color: #1E293B;
  background: #F8FAFC;
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 6px 6px 0;
}

/* Callouts & Regulatory Boxes */
.regulatory-box {
  background: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 22px;
  margin: 24px 0;
}

.regulatory-box.gold-accent {
  border-left: 4px solid var(--color-accent);
}

.regulatory-box.blue-accent {
  border-left: 4px solid var(--color-primary);
}

.regulatory-box h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

/* Sidebar Widgets / Chiffres Clés */
.sidebar-widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
  font-size: 1.15rem;
  margin-top: 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-bg-light);
}

.chiffres-cles-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 14px;
}

.stat-card {
  background: var(--color-bg-light);
  padding: 14px 16px;
  border-radius: 6px;
  border-left: 3px solid var(--color-primary);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Images & Photographies */
.media-card {
  margin: 24px 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.media-card img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Roadmap 3 étapes */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.roadmap-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 20px;
  position: relative;
}

.roadmap-step-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.roadmap-card h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.roadmap-card p {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin: 0;
}

/* Tables Financières et Données */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
}

.institutional-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.institutional-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  padding: 12px 16px;
  border: 1px solid var(--color-primary);
}

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

.institutional-table tr:nth-child(even) {
  background-color: #F8FAFC;
}

.institutional-table tr:hover {
  background-color: #EFF6FF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 44px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-accent) !important;
  border: 1px solid var(--color-primary-dark);
}

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

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary) !important;
  border: 1px solid var(--color-accent-hover);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary) !important;
  border: 2px solid var(--color-primary);
}

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

/* Formulaires */
.institutional-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}

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

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-main);
  background: var(--color-white);
  transition: var(--transition);
}

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

/* ==========================================================================
   MANDATORY FOOTER
   ========================================================================== */

.site-footer {
  background: var(--color-primary-dark);
  color: #E2E8F0;
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
  font-size: 14px;
}

.footer-top {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 50px 24px 30px 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  color: var(--color-accent);
  font-size: 1.15rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.footer-col p {
  color: #CBD5E1;
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  color: #E2E8F0;
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-bottom {
  background: #00112A;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

.footer-bottom p {
  color: #94A3B8;
  font-size: 12.5px;
  max-width: 100%;
  margin: 0;
  line-height: 1.6;
}

.footer-legal-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #CBD5E1;
  font-size: 12.5px;
}

.footer-legal-links a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (STRICT RULES: 992px & 768px)
   ========================================================================== */

@media (max-width: 992px) {
  .content-grid-3-1 {
    grid-template-columns: 1fr;
  }
  
  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  
  .nav-menu {
    gap: 2px;
  }
  
  .nav-link {
    padding: 8px 10px;
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    flex-direction: column;
    height: auto;
    padding: 8px 16px;
    gap: 6px;
    text-align: center;
  }
  
  .top-utility-strip .utility-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .search-box-sim {
    display: none;
  }
  
  .main-nav-bar {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .header-cta-btn {
    display: none;
  }
  
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 12px;
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
    gap: 0;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-primary);
    background: #F8FAFC;
    border-radius: 0;
    padding: 4px 0 8px 12px;
    display: none;
  }
  
  .nav-item.mobile-open .dropdown-menu {
    display: block;
  }
  
  .main-column {
    padding: 20px;
  }
  
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  h1 {
    font-size: 1.85rem;
  }
  
  h2 {
    font-size: 1.45rem;
  }
}