/* ==========================================================================
   STYLE.CSS - LES AMIS DE BANNE (ASSOCIATION LOI 1901)
   Charte graphique institutionnelle : Bleu Royal (#002366), Or (#FFD700), Gris Clair (#F4F6F9)
   ========================================================================== */

: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: #E5E7EB;
  --color-border-dark: #CBD5E1;
  --font-serif: "Georgia", "Cambria", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 35, 102, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 35, 102, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

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

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

/* Typographie institutionnelle */
h1, h2, h3, h4 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  font-family: var(--font-serif);
}

h2 {
  font-size: 1.75rem;
  margin-top: 1.5rem;
  margin-bottom: 0.85rem;
  border-bottom: 2px solid var(--color-bg-light);
  padding-bottom: 0.4rem;
}

h3 {
  font-size: 1.25rem;
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.1rem;
  color: var(--color-text-main);
}

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

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

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

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

.site-header {
  width: 100%;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

/* Row 1 : Top Utility Strip */
.top-utility-strip {
  background: 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);
}

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

.top-utility-strip .rna-badge span {
  background: var(--color-white);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-dark);
  font-family: monospace;
}

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

.search-simulation {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
}

.search-simulation input {
  border: none;
  outline: none;
  font-size: 12px;
  padding: 3px 6px;
  width: 160px;
  color: var(--color-text-main);
}

.search-simulation button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 12px;
}

.lang-selector {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  gap: 6px;
}

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

/* Row 2 : Main Navigation Bar */
.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--color-white);
}

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

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  min-height: 44px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

/* Dropdowns */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  list-style: none;
  padding: 8px 0;
  margin-top: 2px;
  display: none;
  z-index: 9999;
  animation: fadeIn 0.15s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.dropdown-item a {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-main);
  min-height: 44px;
  line-height: 24px;
}

.dropdown-item a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
}

/* Contact CTA Header Button */
.btn-nav-contact {
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 2px solid var(--color-primary);
}

.btn-nav-contact:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

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

/* ==========================================================================
   LAYOUT STRUCTURES (CONTAINER, TWO-COLUMN GRID, SIDEBAR)
   ========================================================================== */

.page-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 24px;
}

.hero-section {
  background: linear-gradient(135deg, rgba(0, 35, 102, 0.95), rgba(0, 23, 68, 0.98)), var(--color-primary);
  color: var(--color-white);
  padding: 56px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

.hero-section h1 {
  color: var(--color-white);
  font-size: 2.5rem;
}

.hero-summary-statement {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #E2E8F0;
  max-width: 860px;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Two-column layout : 3fr main content / 1fr side rail */
.layout-two-column {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 36px;
  align-items: start;
}

.content-primary {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 120px;
}

/* Institutional Cards */
.institutional-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.institutional-card.highlight {
  border-top: 4px solid var(--color-primary);
  background: #FCFDFF;
}

.institutional-card.accent-card {
  border-top: 4px solid var(--color-accent);
  background: var(--color-bg-light);
}

/* Side-rail metric blocks (Chiffres Clés) */
.metric-box {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.metric-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  font-family: var(--font-serif);
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 6px;
}

/* Image Presentation (Strictly no figcaption, no captions, 16:9 ratio) */
.media-container {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  aspect-ratio: 16 / 9;
  position: relative;
}

.media-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 3-Step Transparency Roadmap */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 24px 0;
}

.roadmap-step {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.roadmap-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.roadmap-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.roadmap-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Boutons d'action non marchands */
.btn-action-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  min-height: 44px;
  border: 2px solid var(--color-primary);
  cursor: pointer;
}

.btn-action-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.btn-action-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-accent);
  color: #111827 !important;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  min-height: 44px;
  border: 2px solid var(--color-accent);
  cursor: pointer;
}

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

.btn-action-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary) !important;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  min-height: 44px;
  border: 2px solid var(--color-primary);
  cursor: pointer;
}

.btn-action-secondary:hover {
  background: var(--color-bg-light);
}

/* Status tags & Badges */
.status-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-active {
  background: #E0F2FE;
  color: #0369A1;
  border: 1px solid #BAE6FD;
}

.status-completed {
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
}

.status-priority {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FDE68A;
}

/* Tables comptables et de transparence */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.table-institutional {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.table-institutional th {
  background: var(--color-bg-light);
  color: var(--color-primary);
  padding: 14px 18px;
  font-weight: 700;
  border-bottom: 2px solid var(--color-border-dark);
}

.table-institutional td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
}

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

.table-institutional tr.total-row {
  background: #EDF2F7;
  font-weight: 800;
  border-top: 2px solid 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: 0.92rem;
}

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

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

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

.form-help {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Alert Boxes */
.alert-box {
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 0.93rem;
}

.alert-info {
  background: #EFF6FF;
  border-left: 4px solid var(--color-primary);
  color: #1E40AF;
}

.alert-funding {
  background: #FEFCE8;
  border-left: 4px solid var(--color-accent);
  color: #854D0E;
}

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

.site-footer {
  background: #001744;
  color: #D1D5DB;
  padding-top: 50px;
  padding-bottom: 30px;
  border-top: 4px solid var(--color-accent);
  font-size: 0.9rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

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

.footer-col p {
  color: #9CA3AF;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #CBD5E1;
  font-size: 0.88rem;
  display: inline-block;
  min-height: 28px;
  line-height: 28px;
}

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

.footer-admin-details {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: #CBD5E1;
}

.footer-admin-details strong {
  color: var(--color-white);
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 24px;
}

.footer-mandatory-notice {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #9CA3AF;
  text-align: center;
  max-width: 960px;
  margin: 0 auto 20px auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #6B7280;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   RESPONSIVE DESIGN & MOBILE PERFORMANCE BREAKPOINTS
   ========================================================================== */

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

  .content-sidebar {
    position: static;
    margin-top: 24px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }

  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    flex-direction: column;
    height: auto;
    padding: 8px 16px;
    gap: 6px;
    text-align: center;
  }

  .top-utility-tools {
    display: none; /* Simplification sur écran étroit */
  }

  .main-nav-bar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu-list {
    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-list.is-open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-primary);
    background: var(--color-bg-light);
    border-radius: 0;
    padding: 4px 0 4px 12px;
    display: block; /* Toujours accessible en mode mobile empilé */
  }

  .dropdown-item a {
    padding: 10px 14px;
  }

  .btn-nav-contact {
    margin-top: 8px;
    justify-content: center;
    width: 100%;
  }

  .hero-section {
    padding: 32px 16px;
  }

  .hero-section h1 {
    font-size: 1.8rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
  }
}