/* ==========================================================================
   PORTAIL INSTITUTIONNEL - TEAM CAPERLAN 02 (LOI 1901)
   Feuille de style modulaire & accessible
   Palette officielle:
   - Bleu Royal: #002366
   - Or Intense (Accent): #FFD700
   - Gris Institutionnel: #F4F6F9
   - Blanc Pur: #FFFFFF
   - Texte Fondamental: #1F2937
   - Bordures: #E2E8F0
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001744;
  --color-primary-light: #0d388e;
  --color-accent: #FFD700;
  --color-accent-hover: #e6c200;
  --color-bg-light: #F4F6F9;
  --color-white: #FFFFFF;
  --color-text-main: #1F2937;
  --color-text-muted: #4B5563;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  --color-success-bg: #ECFDF5;
  --color-success-text: #065F46;
  --color-info-bg: #EFF6FF;
  --color-info-text: #1E40AF;
  
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-family-serif: "Georgia", "Cambria", serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

*, *::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-family-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   TYPOGRAPHIE & BASES
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

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

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 1.15rem;
  font-size: 1.05rem;
  color: var(--color-text-main);
}

p.lead {
  font-size: 1.2rem;
  line-height: 1.75;
  color: #1a202c;
  font-weight: 500;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

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

li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   DOUBLE-DECKER HEADER SYSTEM
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 9000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

/* Row 1: Top Utility Strip */
.top-utility-strip {
  background-color: var(--color-bg-light);
  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);
}

.utility-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.rna-tag {
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-badge {
  background: #E0E7FF;
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.utility-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.utility-search-box input {
  padding: 4px 10px;
  font-size: 12px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  outline: none;
  width: 170px;
}

.utility-search-box button {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
}

.lang-selector {
  font-size: 12px;
  color: #4B5563;
  font-weight: 600;
  padding: 2px 6px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Row 2: Main Navigation Bar */
.main-navigation-bar {
  background-color: var(--color-white);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
}

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

.brand-emblem {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

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

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Desktop Navigation Links & Dropdowns */
.nav-menu-container {
  display: flex;
  align-items: center;
}

.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;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  min-height: 44px;
}

.nav-link:hover, .nav-link:focus, .nav-item:hover > .nav-link {
  background-color: var(--color-bg-light);
  color: var(--color-primary-light);
}

.dropdown-arrow {
  font-size: 0.65rem;
  margin-left: 3px;
  transition: transform 0.2s ease;
}

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

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

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

.dropdown-item {
  margin: 0;
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-link:hover, .dropdown-link:focus {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: 22px;
}

/* Primary Header Contact CTA */
.nav-cta-btn {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  text-decoration: none !important;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  font-size: 0.92rem;
  transition: all 0.2s ease;
  margin-left: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.nav-cta-btn:hover, .nav-cta-btn:focus {
  background-color: var(--color-accent);
  color: var(--color-primary) !important;
  border-color: var(--color-accent);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-dark);
  padding: 8px 12px;
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  min-width: 44px;
  min-height: 44px;
}

/* ==========================================================================
   LAYOUT STRUCTURES & TWO-COLUMN GRID
   ========================================================================== */

.page-wrapper {
  flex: 1;
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
}

.full-bleed-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 48px 24px;
  margin-bottom: 32px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.full-bleed-banner h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.full-bleed-banner p {
  color: #E2E8F0;
  font-size: 1.15rem;
  max-width: 850px;
}

.banner-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

/* Two-column institutional grid: 3fr main content / 1fr side-rail */
.two-column-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 32px;
  align-items: start;
}

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

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

.sidebar-card {
  background: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 6px;
}

/* Single column standard page container */
.single-column-layout {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   NON-PROFIT & INSTITUTIONAL COMPONENTS
   ========================================================================== */

.non-profit-notice-box {
  background-color: #FEF9C3;
  border-left: 4px solid #CA8A04;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 0.98rem;
  color: #713F12;
}

.funding-disclosure-box {
  background-color: var(--color-info-bg);
  border: 1px solid #BFDBFE;
  border-left: 4px solid var(--color-primary);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.funding-disclosure-box strong {
  color: var(--color-primary);
}

.chiffres-cles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.stat-item {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-top: 4px;
}

.image-frame {
  margin: 24px 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #000;
}

.image-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-frame img:hover {
  transform: scale(1.02);
}

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

.roadmap-step {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 20px;
}

.step-num {
  display: inline-block;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  text-align: center;
  line-height: 32px;
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.roadmap-step h4 {
  margin-bottom: 8px;
  color: var(--color-primary);
}

/* Cartes programmes & activités */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 24px 0;
}

.institutional-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.card-header-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.card-header-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

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

.card-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.card-body h3 {
  font-size: 1.2rem;
  margin-top: 0;
  margin-bottom: 10px;
}

.card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* Boutons d'action */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  border: 2px solid transparent;
}

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

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

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

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

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

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

/* Tableaux financiers & données */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

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

.data-table th {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.data-table tr:hover td {
  background-color: #F8FAFC;
}

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

.table-total {
  font-weight: 800;
  background-color: #F1F5F9;
  color: var(--color-primary);
}

/* Formulaires institutionnels */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-main);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--color-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

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

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

/* ==========================================================================
   FOOTER INSTITUTIONNEL & MENTIONS OBLIGATOIRES
   ========================================================================== */

.site-footer {
  background-color: #0B192C;
  color: #E2E8F0;
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
  padding-top: 48px;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.footer-col p {
  color: #94A3B8;
  font-size: 0.92rem;
  line-height: 1.6;
}

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

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

.footer-links a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-legal-notice-box {
  background-color: #071221;
  border: 1px solid #1E293B;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 30px;
}

.footer-legal-notice-box p {
  color: #94A3B8;
  font-size: 0.88rem;
  margin-bottom: 8px;
}

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

.footer-bottom-bar {
  border-top: 1px solid #1E293B;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-bar a {
  color: #94A3B8;
}

.footer-bottom-bar a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   MEDIA QUERIES & MOBILE RESPONSIVENESS
   ========================================================================== */

@media (max-width: 992px) {
  .two-column-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .roadmap-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    height: auto;
    padding: 8px 16px;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  
  .utility-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .utility-search-box input {
    width: 140px;
  }
  
  .main-navigation-bar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu-container {
    display: none;
    width: 100%;
    margin-top: 12px;
  }
  
  .nav-menu-container.is-open {
    display: block;
  }
  
  .nav-menu {
    flex-direction: column;
    width: 100%;
    gap: 4px;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 16px;
    background-color: var(--color-bg-light);
  }
  
  .dropdown-menu {
    position: static;
    display: block;
    opacity: 1;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    margin-bottom: 8px;
    background-color: #F8FAFC;
  }
  
  .dropdown-link {
    padding: 12px 20px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .nav-cta-btn {
    width: 100%;
    margin-left: 0;
    margin-top: 8px;
  }
  
  .page-wrapper {
    padding: 16px 12px;
  }
  
  .main-content-column,
  .single-column-layout {
    padding: 20px 16px;
  }
  
  .full-bleed-banner {
    padding: 28px 16px;
  }
  
  .full-bleed-banner h1 {
    font-size: 1.6rem;
  }
  
  h1 {
    font-size: 1.7rem;
  }
  
  h2 {
    font-size: 1.35rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
  }
}