/* ==========================================================================
   ARS POETICA - FEUILLE DE STYLE INSTITUTIONNELLE (ASSOCIATION LOI 1901)
   Palette: Bleu Roi (#002366), Or Profond (#FFD700), Gris Clair (#F4F6F9), Blanc (#FFFFFF)
   ========================================================================== */

:root {
  --primary: #002366;
  --primary-dark: #001744;
  --primary-light: #123d8c;
  --accent-gold: #FFD700;
  --accent-gold-hover: #e6c200;
  --bg-light: #F4F6F9;
  --bg-white: #FFFFFF;
  --text-main: #1F2937;
  --text-muted: #4B5563;
  --text-light: #6B7280;
  --border-color: #E5E7EB;
  --border-focus: #002366;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --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), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Georgia", "Times New Roman", serif;
  --container-max: 1200px;
}

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

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

body {
  font-family: var(--font-base);
  color: var(--text-main);
  background-color: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 6px;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Typographie institutionnelle */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--primary-dark);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--accent-gold); padding-bottom: 0.5rem; margin-bottom: 1.25rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.25rem;
  max-width: 75ch;
}

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

li {
  margin-bottom: 0.5rem;
}

/* Structure globale */
.site-container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   DOUBLE-DECKER HEADER SYSTEM
   ========================================================================== */
.site-header {
  width: 100%;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 9999;
}

/* Ligne 1 : Bandeau utilitaire institutionnel */
.utility-strip {
  background: var(--bg-light);
  color: #333333;
  height: 42px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
}

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

.utility-tag {
  background: var(--primary);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.utility-reg {
  font-weight: 500;
}

.utility-strip-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.utility-search {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 8px;
}

.utility-search input {
  border: none;
  background: transparent;
  font-size: 12px;
  outline: none;
  width: 160px;
  padding: 2px 4px;
}

.lang-selector {
  display: flex;
  gap: 6px;
  font-weight: 600;
  font-size: 12px;
}

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

.lang-selector span:not(.active) {
  color: var(--text-light);
}

/* Ligne 2 : Barre de navigation principale */
.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: var(--bg-white);
  position: relative;
}

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

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1.1;
  text-decoration: none;
}

.brand-subtitle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Menu de navigation desktop */
.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  min-height: 44px;
}

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

.nav-caret {
  font-size: 10px;
  color: var(--text-light);
  transition: transform 0.2s ease;
}

.nav-item:hover .nav-caret {
  transform: rotate(180deg);
}

/* Menus déroulants hover-activated */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 6px;
  padding: 8px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

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

.dropdown-item a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.15s ease;
}

.dropdown-item a:hover,
.dropdown-item a:focus {
  background-color: var(--bg-light);
  color: var(--primary);
  padding-left: 24px;
  text-decoration: none;
}

/* Boutons d'action */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 4px;
  border: 1px solid var(--accent-gold);
  transition: all 0.2s ease;
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  border-radius: 4px;
  border: 1px solid var(--primary);
  transition: all 0.2s ease;
  min-height: 44px;
  text-decoration: none;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-color: var(--bg-light);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 15px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  min-height: 44px;
  text-decoration: none;
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: #E2E8F0;
  color: var(--primary-dark);
  text-decoration: none;
}

/* Bouton hamburger mobile */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 20px;
  color: var(--primary);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* ==========================================================================
   BREADCRUMB & BANNIÈRE INSTITUTIONNELLE
   ========================================================================== */
.page-banner {
  background-color: var(--primary-dark);
  color: #ffffff;
  padding: 2.5rem 0;
  border-bottom: 4px solid var(--accent-gold);
}

.page-banner h1 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.page-banner p.subtitle {
  color: #E0E7FF;
  font-size: 1.15rem;
  max-width: 70ch;
  margin-bottom: 0;
}

.breadcrumbs {
  font-size: 13px;
  color: #cbd5e1;
  margin-bottom: 0.75rem;
}

.breadcrumbs a {
  color: #E0E7FF;
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   GRILLES ET DISPOSITION DES PAGES (DESKTOP 3fr / 1fr)
   ========================================================================== */
.main-content-area {
  padding: 3rem 0;
}

.two-col-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

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

.side-rail {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.side-rail-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--primary);
  border-bottom: 2px solid var(--accent-gold);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

.stat-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* Cartes et panneaux */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.program-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.program-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.program-card-body h3 {
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.badge-status {
  display: inline-block;
  background-color: #E0E7FF;
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tableaux financiers et comptables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

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

.institutional-table th {
  background-color: var(--primary);
  color: #ffffff;
  padding: 12px 16px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

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

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

.institutional-table tr:hover {
  background-color: #EEF2F6;
}

.table-total {
  font-weight: 700;
  background-color: #E2E8F0 !important;
}

/* Alertes institutionnelles */
.notice-box {
  background-color: #FEF3C7;
  border-left: 4px solid var(--accent-gold);
  padding: 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 6px 6px 0;
}

.notice-box p:last-child {
  margin-bottom: 0;
}

.reinvestment-banner {
  background-color: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.reinvestment-icon {
  font-size: 2.5rem;
  color: var(--primary);
  flex-shrink: 0;
}

/* Formulaires */
.institutional-form {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 0.4rem;
  color: var(--primary-dark);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 15px;
  background-color: #ffffff;
  color: var(--text-main);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.1);
}

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

/* ==========================================================================
   PIED DE PAGE (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--primary-dark);
  color: #E2E8F0;
  padding: 3.5rem 0 1.5rem 0;
  font-size: 14px;
  border-top: 4px solid var(--accent-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 0.5rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #CBD5E1;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover, .footer-links a:focus {
  color: var(--accent-gold);
  text-decoration: underline;
}

.footer-disclosures {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  font-size: 13px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #94A3B8;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom-links {
  display: flex;
  gap: 15px;
}

.footer-bottom-links a {
  color: #CBD5E1;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE MOBILITY BREAKPOINTS)
   ========================================================================== */
@media (max-width: 992px) {
  .two-col-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .utility-strip {
    flex-direction: column;
    height: auto;
    padding: 8px 15px;
    gap: 6px;
    text-align: center;
  }
  
  .utility-strip-left, .utility-strip-right {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .utility-search {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .main-nav-bar {
    flex-wrap: wrap;
  }
  
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-top: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    justify-content: space-between;
    padding: 12px 16px;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: var(--bg-light);
    border-radius: 4px;
    margin: 5px 0 10px 0;
    display: none;
  }
  
  .nav-item.open .dropdown-menu {
    display: block;
  }
  
  .header-actions {
    margin-left: auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}