/* ==========================================================================
   PORTAIL INSTITUTIONNEL - ASS ESPACE PLASTIQUE INTERCOMMUNICATIONS
   Charte graphique Loi 1901 : Bleu Royal (#002366), Or Profond (#FFD700),
   Fond Épuré (#FFFFFF), Gris Institutionnel (#F4F6F9), Pied de page (#1A202C).
   Architecture CSS Fluide Grid & Flexbox ultra-légère sans dépendances externes.
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001744;
  --color-primary-light: #0a3a99;
  --color-accent: #FFD700;
  --color-accent-dark: #d4af37;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F6F9;
  --color-bg-card: #FFFFFF;
  --color-text-main: #1F2937;
  --color-text-muted: #4B5563;
  --color-text-light: #F9FAFB;
  --color-border: #E5E7EB;
  --color-border-dark: #374151;
  --color-footer-bg: #1A202C;
  --color-footer-text: #D1D5DB;
  --color-tag-bg: #EEF2FF;
  --color-tag-text: #002366;
  --color-success: #059669;
  --color-success-bg: #ECFDF5;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 2px 0 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);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container-max: 1240px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

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

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;
  color: var(--color-text-main);
}

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

li {
  margin-bottom: 0.5rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   TOP UTILITY STRIP
   ========================================================================== */
.top-strip {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.825rem;
  color: #333333;
  min-height: 42px;
  display: flex;
  align-items: center;
}

.top-strip .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.top-strip-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.official-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--color-primary);
}

.top-strip-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box-sim {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
}

.search-box-sim input {
  border: none;
  outline: none;
  font-size: 0.8rem;
  color: #333;
  width: 140px;
}

.search-box-sim button {
  background: none;
  border: none;
  color: #666;
  cursor: pointer;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
}

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

/* ==========================================================================
   MAIN NAVIGATION & HEADER
   ========================================================================== */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  min-height: 72px;
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-item > a, .nav-item > button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.9rem;
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-primary-dark);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
}

.nav-item > a:hover, .nav-item > button:hover,
.nav-item.active > a {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  padding: 0.75rem 0;
  display: none;
  z-index: 1010;
  list-style: none;
}

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

.dropdown-item a {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--color-text-main);
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 44px;
  line-height: 1.4;
}

.dropdown-item a:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  padding-left: 1.5rem;
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  min-height: 44px;
  min-width: 44px;
  box-shadow: var(--shadow-sm);
}

.header-cta-btn:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ==========================================================================
   BUTTONS & CTA STYLES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #FFFFFF;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
  font-weight: 700;
}

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

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

.btn-outline:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

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

/* ==========================================================================
   HERO BANNER & SECTIONS
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  padding: 3.5rem 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-summary-box {
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.hero-summary-box p {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0;
}

.hero-funding-statement {
  font-size: 0.9rem;
  color: #E2E8F0;
  margin-bottom: 1.5rem;
}

.hero-funding-statement strong {
  color: var(--color-accent);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.hero-image-wrapper img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Page Header */
.page-header {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 2.5rem 0 2rem;
}

.page-header-content {
  max-width: 800px;
}

.page-header-tag {
  display: inline-block;
  background-color: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.page-header h1 {
  font-size: 2.2rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.page-header p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   TWO-COLUMN COMPLIANCE LAYOUT (3fr 1fr)
   ========================================================================== */
.main-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2.5rem;
  padding: 3rem 0;
}

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

.sidebar-column {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.stat-item {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.stat-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.stat-number {
  font-size: 1.85rem;
  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;
}

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

.quick-fact-list li {
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.quick-fact-list li:last-child {
  border-bottom: none;
}

.quick-fact-list strong {
  color: var(--color-primary-dark);
}

/* ==========================================================================
   CARDS & GRIDS
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin: 2rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.action-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  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;
}

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

.action-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.action-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.status-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.action-card-title {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.action-card-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: 1rem;
}

/* Information / Notice Box */
.notice-box {
  background-color: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.notice-box-gold {
  background-color: #FFFDF0;
  border-left: 4px solid var(--color-accent-dark);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.notice-box h4 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

/* Roadmap / Timeline */
.timeline-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  position: relative;
}

.timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background-color: var(--color-primary-light);
}

.timeline-step {
  position: relative;
  padding-left: 55px;
  margin-bottom: 2rem;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 8px;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  box-shadow: 0 0 0 4px #FFFFFF;
}

.timeline-title {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   TABLES & FINANCIAL LEDGERS
   ========================================================================== */
.table-responsive {
  overflow-x: auto;
  margin: 1.75rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.data-table th {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.85rem 1rem;
  font-weight: 600;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table tbody tr:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.data-table tbody tr:hover {
  background-color: #EEF2FF;
}

.data-table tfoot td {
  font-weight: 700;
  background-color: #E2E8F0;
  border-top: 2px solid var(--color-primary);
}

/* ==========================================================================
   FORMS & INTAKE
   ========================================================================== */
.contact-form {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  background-color: #FFFFFF;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-help {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ==========================================================================
   FOOTER ARCHITECTURE
   ========================================================================== */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 3.5rem 0 1.5rem;
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

.footer-col p {
  color: var(--color-footer-text);
  font-size: 0.875rem;
  line-height: 1.6;
}

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

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--color-footer-text);
  font-size: 0.875rem;
  display: inline-block;
  min-height: 32px;
  line-height: 32px;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-legal-bar {
  border-top: 1px solid var(--color-border-dark);
  padding-top: 1.75rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #9CA3AF;
}

.footer-legal-bar p {
  color: #9CA3AF;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (max-width: 992px) and (max-width: 768px)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .main-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }

  .top-strip .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--color-primary);
  }

  .main-nav.mobile-active {
    display: flex;
  }

  .nav-links-list {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item > a, .nav-item > button {
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background-color: var(--color-bg-alt);
    padding: 0.5rem 0;
    margin-top: 0.25rem;
    border-left: 3px solid var(--color-primary);
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: block;
  }

  .header-cta-btn {
    width: 100%;
    margin-top: 1rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}