/* ==========================================================================
   PORTAIL INSTITUTIONNEL LOI 1901 - QUOTE P'ART (SÈTE)
   Feuille de styles maîtresse - Architecture CSS native, accessible et réactive
   Palette : Bleu Royal (#002366), Or Profond (#FFD700), Gris Utile (#F4F6F9)
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001744;
  --color-primary-light: #0b3a99;
  --color-accent: #FFD700;
  --color-accent-hover: #e6c200;
  --color-bg-light: #F4F6F9;
  --color-bg-surface: #FFFFFF;
  --color-text-main: #212529;
  --color-text-muted: #555f6d;
  --color-border: #dbe2ec;
  --color-border-dark: #b8c4d4;
  --color-success: #1e7e34;
  --color-info: #0056b3;
  --font-heading: 'Cinzel', 'Georgia', serif;
  --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 2px 4px rgba(0, 35, 102, 0.06);
  --shadow-md: 0 6px 16px rgba(0, 35, 102, 0.1);
  --shadow-lg: 0 12px 28px rgba(0, 35, 102, 0.14);
  --transition: all 0.25s ease-in-out;
}

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

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

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

main {
  flex: 1 0 auto;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.3;
  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: 1.25rem;
}

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

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   HEADER STRUCTURE - DOUBLE-DECKER TRUST GRID
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background-color: var(--color-bg-surface);
  box-shadow: var(--shadow-sm);
}

/* Row 1: Top Utility Strip */
.top-utility-strip {
  background: #F4F6F9;
  color: #333333;
  min-height: 42px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
}

.utility-rna-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.utility-rna-badge {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.5px;
}

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

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

.simulated-search input {
  border: none;
  outline: none;
  font-size: 12px;
  padding: 3px 6px;
  width: 150px;
  background: transparent;
}

.simulated-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 4px;
}

.language-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.language-selector span.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
}

.language-selector span.inactive {
  color: var(--color-text-muted);
}

/* Row 2: Main Navigation Bar */
.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

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

.brand-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 1px;
  line-height: 1.1;
  text-decoration: none;
}

.brand-title:hover {
  text-decoration: none;
  color: var(--color-primary-light);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* 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: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  min-height: 44px;
}

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

/* Hover-Activated Dropdown Menus */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  list-style: none;
  padding: 8px 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease-in-out;
  z-index: 9999;
}

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

.dropdown-item {
  margin: 0;
  padding: 0;
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  color: var(--color-text-main);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.dropdown-link:hover, .dropdown-link:focus {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  padding-left: 22px;
  text-decoration: none;
}

/* High-Contrast Action Button */
.header-cta-btn {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: var(--transition);
  min-height: 44px;
  white-space: nowrap;
}

.header-cta-btn:hover, .header-cta-btn:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-accent) !important;
  box-shadow: var(--shadow-sm);
}

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

/* ==========================================================================
   LAYOUT CONTAINERS & GRIDS
   ========================================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.section-spacing {
  padding: 40px 0;
}

.section-spacing-lg {
  padding: 60px 0;
}

/* Two-Column Desktop Grid (3fr main content / 1fr side-rail) */
.layout-2col-grid {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 32px;
  align-items: start;
}

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

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

/* Card Elements */
.institutional-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.institutional-card.highlight {
  border-left: 4px solid var(--color-primary);
}

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

/* Side-rail Chiffres Clés Widget */
.sidebar-chiffres {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 24px;
}

.sidebar-chiffres h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
}

.stat-item {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
}

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

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin-top: 4px;
}

/* Status Badge */
.status-badge {
  display: inline-block;
  background-color: #e3f2fd;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid #90caf9;
  margin-bottom: 8px;
}

/* Notice Box / Callout */
.notice-box {
  background-color: #fff9e6;
  border: 1px solid #ffe082;
  border-left: 5px solid #ffb300;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 0.95rem;
}

.notice-box strong {
  color: #795548;
}

/* ==========================================================================
   HERO FRAMEWORK
   ========================================================================== */

.hero-framework {
  position: relative;
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  padding: 48px 0 36px 0;
  margin-bottom: 32px;
  border-bottom: 4px solid var(--color-accent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 2.3rem;
  line-height: 1.2;
  margin-bottom: 14px;
}

.hero-summary-box {
  background: rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--color-accent);
  padding: 14px 18px;
  margin-bottom: 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.05rem;
  line-height: 1.5;
  color: #F4F6F9;
}

.hero-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  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;
  transition: transform 0.5s ease;
}

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

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  text-decoration: none !important;
  transition: var(--transition);
  font-size: 0.95rem;
  min-height: 44px;
  cursor: pointer;
}

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

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-primary-dark) !important;
  font-weight: 800;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-accent);
  text-decoration: none !important;
  transition: var(--transition);
  font-size: 0.95rem;
  min-height: 44px;
  cursor: pointer;
}

.btn-accent:hover, .btn-accent:focus {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--color-primary) !important;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  text-decoration: none !important;
  transition: var(--transition);
  font-size: 0.95rem;
  min-height: 44px;
  cursor: pointer;
}

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* ==========================================================================
   ROADMAP / ONBOARDING 3-STEP FLOW
   ========================================================================== */

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.roadmap-step {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
}

.roadmap-step-num {
  position: absolute;
  top: -14px;
  left: 20px;
  background-color: var(--color-primary);
  color: var(--color-accent);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.roadmap-step h4 {
  margin-top: 10px;
  font-size: 1.1rem;
  color: var(--color-primary);
}

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

/* ==========================================================================
   TABLES & FINANCIAL ACCOUNTING
   ========================================================================== */

.data-table-wrapper {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

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

.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 tbody tr:hover {
  background-color: rgba(0, 35, 102, 0.02);
}

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

/* ==========================================================================
   FORMS & INTAKE
   ========================================================================== */

.institutional-form {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 24px 0;
}

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

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background-color: #FFFFFF;
  transition: var(--transition);
}

.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: 16px;
}

/* ==========================================================================
   MEDIA GRIDS & IMAGE GALLERIES
   ========================================================================== */

.image-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 24px 0;
}

.image-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.image-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0;
}

.image-card-body {
  padding: 18px;
}

.image-card-body h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.image-card-body p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   FOOTER STRUCTURE & LEGAL STATEMENTS
   ========================================================================== */

.site-footer {
  background-color: var(--color-primary-dark);
  color: #e0e6ed;
  padding-top: 48px;
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.footer-col p {
  color: #b0c0d8;
  font-size: 0.88rem;
  line-height: 1.6;
}

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

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

.footer-links a {
  color: #d1dced;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
  min-height: 24px;
}

.footer-links a:hover, .footer-links a:focus {
  color: var(--color-accent);
  text-decoration: underline;
  padding-left: 4px;
}

.footer-legal-notice {
  background-color: #001030;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 0.82rem;
  color: #9ab0cf;
  line-height: 1.5;
}

.footer-legal-notice a {
  color: var(--color-accent);
}

.footer-legal-notice p {
  margin-bottom: 8px;
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (STRICT GUIDELINES: 992px & 768px)
   ========================================================================== */

@media (max-width: 992px) {
  .layout-2col-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .roadmap-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .main-nav-bar {
    flex-wrap: wrap;
  }

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

  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 3;
    margin-top: 14px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 14px;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-accent);
    padding-left: 12px;
    margin: 4px 0 8px 12px;
    background: #fafbfe;
  }

  .header-cta-btn {
    margin-left: auto;
    margin-right: 12px;
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    flex-direction: column;
    height: auto;
    padding: 8px 12px;
    gap: 6px;
    text-align: center;
  }

  .utility-tools {
    width: 100%;
    justify-content: space-between;
  }

  .simulated-search input {
    width: 120px;
  }

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

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

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }
}