/* ==========================================================================
   PORTAIL INSTITUTIONNEL - ASSOCIATION AMIS DU MUSÉE DE L'INFANTERIE E A I
   Feuille de styles officielle - Association Loi 1901
   Couleurs : Royal Blue (#002366), Deep Gold (#FFD700), Light Grey (#F4F6F9)
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001845;
  --color-primary-light: #0d3b8f;
  --color-accent: #FFD700;
  --color-accent-dark: #cca400;
  --color-bg-light: #F4F6F9;
  --color-white: #FFFFFF;
  --color-text: #1a2434;
  --color-text-muted: #536479;
  --color-border: #DDE3EA;
  --color-border-light: #EEF2F6;
  --color-success: #1b8738;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 2px 4px rgba(0, 35, 102, 0.05);
  --shadow-md: 0 6px 18px rgba(0, 35, 102, 0.08);
  --shadow-lg: 0 12px 30px rgba(0, 35, 102, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --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-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border-light);
}

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

h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: 1.15rem;
}

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

li {
  margin-bottom: 0.5rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}

/* 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 #E2E8F0;
}

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

.top-utility-strip .rna-pill {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.top-utility-strip .search-box-sim {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid #CCD5E0;
  border-radius: var(--radius-sm);
  padding: 3px 10px;
}

.top-utility-strip .search-box-sim input {
  border: none;
  outline: none;
  font-size: 12px;
  color: #333333;
  width: 140px;
  background: transparent;
}

.top-utility-strip .lang-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: #4A5568;
}

/* Row 2: Main Navigation Bar */
.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  max-width: 1300px;
  margin: 0 auto;
  gap: 16px;
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Navigation Links & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  min-height: 44px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: background-color 0.2s, color 0.2s;
}

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

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

/* Dropdown Container */
.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  list-style: none;
  padding: 8px 0;
  margin: 0;
}

.dropdown-content li {
  margin: 0;
}

.dropdown-content a {
  display: block;
  padding: 10px 18px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 44px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border-light);
}

.dropdown-content li:last-child a {
  border-bottom: none;
}

.dropdown-content a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 600;
  padding-left: 22px;
}

.nav-item:hover .dropdown-content {
  display: block;
}

/* Header Contact CTA Button */
.btn-header-contact {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

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

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

/* ==========================================================================
   PAGE LAYOUT & CONTAINER
   ========================================================================== */

.page-wrapper {
  min-height: calc(100vh - 350px);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px;
}

/* Two-Column Grid: 3fr Main Content / 1fr Side-rail */
.two-column-grid {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 36px;
  align-items: start;
}

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

.sidebar-rail {
  min-width: 0;
}

/* ==========================================================================
   HOMEPAGE INSTITUTIONAL HERO FRAMEWORK
   ========================================================================== */

.hero-framework {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-light) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 20px 48px;
}

.hero-framework-inner {
  max-width: var(--container-width);
  margin: 0 auto;
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E6EDF8;
  color: var(--color-primary);
  border: 1px solid #BFD3F0;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 2.4rem;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero-summary-2sentences {
  font-size: 1.18rem;
  line-height: 1.6;
  color: #2D3748;
  max-width: 900px;
  margin-bottom: 24px;
  padding-left: 18px;
  border-left: 4px solid var(--color-accent);
  background: rgba(255, 215, 0, 0.08);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.hero-image-wrapper {
  margin-top: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* ==========================================================================
   COMPONENTS & INSTITUTIONAL SECTIONS
   ========================================================================== */

/* Buttons */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary);
  min-height: 44px;
  text-transform: uppercase;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

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

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-accent-dark);
  min-height: 44px;
  text-transform: uppercase;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

.btn-accent:hover {
  background-color: #f5cb00;
  color: #000;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary);
  min-height: 44px;
  text-transform: uppercase;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

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

/* Status Tags */
.status-tag {
  display: inline-block;
  background-color: #E8F5E9;
  color: var(--color-success);
  border: 1px solid #A5D6A7;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

/* Institutional Panels & Cards */
.institutional-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.sidebar-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-top: 0;
  margin-bottom: 14px;
}

/* Chiffres Clés Side-Rail */
.stat-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.stat-item:last-child {
  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;
}

/* Non-Profit & Funding Disclosures */
.funding-disclosure-banner {
  background-color: #F0F5FF;
  border: 1px solid #C7D8F9;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0;
}

.funding-disclosure-banner h3 {
  color: var(--color-primary);
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 8px;
}

.funding-disclosure-banner p {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: #24334A;
}

.reinvestment-statement {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-primary);
  padding: 12px 16px;
  margin-top: 12px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary-dark);
}

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

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

.roadmap-step-badge {
  background-color: var(--color-primary);
  color: var(--color-accent);
  font-weight: 800;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

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

.roadmap-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Operational Program Logs (Activities Page) */
.program-log-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.program-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.program-title {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0;
}

/* Institutional Accounting Tables */
.accounting-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 0.92rem;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.accounting-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: left;
  padding: 12px 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.accounting-table tr:nth-child(even) td {
  background-color: #FAFCFE;
}

.accounting-table tr:hover td {
  background-color: #F0F5FA;
}

.accounting-table tfoot td {
  font-weight: 800;
  background-color: var(--color-bg-light);
  border-top: 2px solid var(--color-primary);
}

/* Timeline Components */
.timeline {
  position: relative;
  padding-left: 28px;
  margin: 24px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 9px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid var(--color-primary);
}

.timeline-date {
  font-weight: 800;
  color: var(--color-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* Forms */
.institutional-form {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}

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

.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;
}

/* Image Presentation (No captions, photorealistic 16:9) */
.page-image-block {
  margin: 24px 0 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   MANDATORY FOOTER DISCLOSURES & SYSTEM
   ========================================================================== */

.site-footer {
  background-color: var(--color-primary-dark);
  color: #D1D9E6;
  padding: 48px 20px 24px;
  font-size: 0.9rem;
  border-top: 4px solid var(--color-accent);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 6px;
}

.footer-col p {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

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

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

.footer-col a {
  color: #B0C4DE;
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

.footer-legal-notice {
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #C3D0E4;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: #9AAEC7;
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-bottom-links a {
  color: #9AAEC7;
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (STRICT RULES)
   ========================================================================== */

@media (max-width: 992px) {
  .two-column-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  
  .nav-menu {
    gap: 4px;
  }
  
  .nav-link {
    padding: 8px 10px;
    font-size: 0.82rem;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    height: auto;
    padding: 8px 16px;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  
  .top-utility-strip .utility-right {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }
  
  .main-nav-bar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  
  .mobile-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 12px;
    border-top: 1px solid var(--color-border);
    padding-top: 8px;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 8px;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .dropdown-content {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background-color: var(--color-bg-light);
    padding-left: 12px;
  }
  
  .nav-item.open .dropdown-content {
    display: block;
  }
  
  .btn-header-contact {
    display: none;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}