/* ==========================================================================
   PORTAIL INSTITUTIONNEL - ASSOCIATION SAINT-GENIES (LOI 1901)
   Architecture CSS Moderne, Responsive & Accessible
   ========================================================================== */

/* --- Variables Globales & Système de Couleurs --- */
:root {
  --color-maroon: #800000;
  --color-crimson: #7A0016;
  --color-maroon-dark: #5a0010;
  --color-maroon-light: #9e1b2f;
  --color-maroon-subtle: #fbf0f2;
  
  --color-navy: #0B2545;
  --color-navy-light: #133b6d;
  --color-navy-subtle: #eef3f9;
  
  --color-canvas-white: #FFFFFF;
  --color-canvas-neutral: #F9F8F6;
  --color-canvas-soft: #F4F4F4;
  --color-border: #E2DFD8;
  --color-border-dark: #C8C4B9;
  
  --color-text-main: #242220;
  --color-text-muted: #5C5750;
  --color-text-light: #F4F4F4;
  
  --color-footer-bg: #222222;
  --color-footer-card: #2A2A2A;
  --color-footer-text: #E5E5E5;
  --color-footer-muted: #A3A3A3;
  --color-footer-border: #383838;
  
  --font-serif: "Georgia", "Garamond", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 24px rgba(0,0,0,0.12);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --max-width: 1200px;
  --max-width-wide: 1360px;
  --touch-target: 44px;
}

/* --- Normalisation & Base --- */
*, *::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-sans);
  font-size: 1rem;
  line-height: 1.68;
  color: var(--color-text-main);
  background-color: var(--color-canvas-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

/* --- Typographie --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

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

h2 {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  padding-bottom: 0.5rem;
  position: relative;
}

h2.section-heading::after {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  background-color: var(--color-maroon);
  margin-top: 0.5rem;
}

h3 {
  font-size: 1.35rem;
}

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 1.25rem;
  max-width: 75ch;
}

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

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

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

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

li {
  margin-bottom: 0.5rem;
}

blockquote {
  border-left: 4px solid var(--color-maroon);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background-color: var(--color-maroon-subtle);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
}

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

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

.section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.section-neutral {
  background-color: var(--color-canvas-neutral);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-soft {
  background-color: var(--color-canvas-soft);
}

.section-maroon-strip {
  background: linear-gradient(135deg, var(--color-maroon) 0%, var(--color-crimson) 100%);
  color: var(--color-canvas-white);
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.section-maroon-strip h1,
.section-maroon-strip h2,
.section-maroon-strip h3,
.section-maroon-strip p {
  color: var(--color-canvas-white);
}

/* --- Header Institutionnel Multi-Niveaux --- */
.site-header {
  background-color: var(--color-canvas-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

/* 1. Barre d'Utilité Supérieure */
.utility-bar {
  background-color: var(--color-canvas-soft);
  border-bottom: 1px solid var(--color-border);
  height: 34px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.utility-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.utility-left, .utility-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-bar a {
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
}

.utility-bar a:hover {
  color: var(--color-maroon);
}

.rna-badge {
  background-color: var(--color-navy);
  color: var(--color-canvas-white) !important;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  font-size: 0.75rem;
}

.search-form-mini {
  display: flex;
  align-items: center;
}

.search-form-mini input[type="search"] {
  height: 24px;
  padding: 0 0.5rem;
  font-size: 0.75rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text-main);
  outline: none;
  width: 140px;
}

.search-form-mini input[type="search"]:focus {
  border-color: var(--color-maroon);
  width: 180px;
  transition: width 0.2s ease;
}

/* 2. En-tête de Marque Central */
.branding-header {
  padding: 1.15rem 0;
  background-color: var(--color-canvas-white);
  border-bottom: 1px solid var(--color-border);
}

.branding-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.branding-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.brand-emblem-svg {
  width: 52px;
  height: 52px;
  margin-bottom: 0.35rem;
  filter: drop-shadow(0 2px 4px rgba(128, 0, 0, 0.15));
}

.brand-acronym {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-maroon);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.03em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.15rem;
}

/* 3. Navigation Principale Tier 1 */
.nav-bar-tier1 {
  background-color: var(--color-maroon);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.main-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  color: var(--color-canvas-white);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  min-height: var(--touch-target);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus,
.nav-item.active .nav-link {
  background-color: var(--color-crimson);
  color: #fff;
  text-decoration: none;
}

/* 4. Sous-Barre & Mega-Dropdown Tier 2 */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 0.5rem 0;
  z-index: 1100;
}

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

.dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  color: var(--color-text-main);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--color-canvas-soft);
  transition: background-color 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
}

.dropdown-link:last-child {
  border-bottom: none;
}

.dropdown-link:hover,
.dropdown-link:focus {
  background-color: var(--color-maroon-subtle);
  color: var(--color-maroon);
  padding-left: 1.5rem;
  text-decoration: none;
}

/* Bouton Menu Mobile */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  min-width: var(--touch-target);
  min-height: var(--touch-target);
}

/* --- Boutons & Appels à l'Action --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  min-height: var(--touch-target);
  min-width: var(--touch-target);
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--color-maroon);
  color: var(--color-canvas-white);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-crimson);
  color: var(--color-canvas-white);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-navy);
  color: var(--color-canvas-white);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-navy-light);
  color: var(--color-canvas-white);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

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

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

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

.btn-outline-white:hover,
.btn-outline-white:focus {
  background-color: #fff;
  color: var(--color-maroon);
  text-decoration: none;
}

/* --- Hero Banner & En-Têtes de Page --- */
.hero-banner {
  position: relative;
  background-color: var(--color-navy);
  color: #fff;
  overflow: hidden;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  min-height: 480px;
  max-height: 600px;
  overflow: hidden;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.72) contrast(1.08);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(11,37,69,0.92) 0%, rgba(128,0,0,0.65) 50%, rgba(0,0,0,0.4) 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 820px;
  padding: 3rem 1.5rem;
}

.hero-content h1 {
  font-size: 2.75rem;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-slogan {
  font-size: 1.25rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: #F9F8F6;
  margin-bottom: 1.25rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.hero-summary-box {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-left: 4px solid var(--color-maroon-light);
  padding: 1.15rem 1.5rem;
  margin-bottom: 1.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.05rem;
  line-height: 1.6;
}

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

/* Page Header Standard */
.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-maroon) 100%);
  color: #fff;
  padding: 3.5rem 0;
  position: relative;
}

.page-header h1 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.page-header .lead {
  font-size: 1.15rem;
  color: #E2DFD8;
  max-width: 800px;
  margin-bottom: 0;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #C8C4B9;
  margin-bottom: 1rem;
}

.breadcrumbs a {
  color: #fff;
}

/* --- Blocs Spécifiques du Cahier des Charges --- */
/* Bloc "Notre mission" Obligatoire (150+ Mots Continu) */
.mission-statement-box {
  background-color: var(--color-maroon-subtle);
  border: 2px solid var(--color-maroon);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.mission-statement-box::before {
  content: "Notre mission statutaire";
  position: absolute;
  top: -14px;
  left: 24px;
  background-color: var(--color-maroon);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-sm);
}

.mission-text-continuous {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-text-main);
  text-align: justify;
  margin-bottom: 0;
}

/* Module 2 Colonnes Média / Récit */
.split-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}

.split-panel.reverse {
  direction: rtl;
}

.split-panel.reverse > * {
  direction: ltr;
}

.split-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.split-media:hover img {
  transform: scale(1.02);
}

.split-narrative h2, .split-narrative h3 {
  margin-bottom: 1rem;
}

/* Grilles & Cartes d'Activités */
.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin: 2.5rem 0;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2.5rem 0;
}

.activity-card {
  background-color: #fff;
  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;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-dark);
}

.card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-canvas-soft);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.card-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-maroon-subtle);
  color: var(--color-maroon);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
}

.card-badge.active {
  background-color: #E8F5E9;
  color: #2E7D32;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.card-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

/* Grille d'Événements (4 Colonnes avec Date Badge) */
.events-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.event-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.event-date-badge {
  background-color: var(--color-maroon);
  color: #fff;
  border-radius: var(--radius-sm);
  width: 58px;
  height: 58px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 1rem;
}

.event-date-badge .date-day {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
}

.event-date-badge .date-month {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.event-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.event-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.event-desc {
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  flex: 1;
}

/* Panneau Latéral "Chiffres Clés" (Key Statistics) */
.key-stats-rail {
  background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-maroon) 100%);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
}

.key-stats-rail h3 {
  color: #fff;
  border-bottom: 2px solid var(--color-maroon-light);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.stat-item {
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding-bottom: 1rem;
}

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

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: #FFFFFF;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.9rem;
  color: #E2DFD8;
  line-height: 1.4;
}

/* Layout 2/3 + 1/3 (Contenu Principal + Rail Latéral) */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin: 2.5rem 0;
}

.main-article-content {
  min-width: 0;
}

.main-article-content p {
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Tables Financières & Données */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.data-table th,
.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background-color: var(--color-navy);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

.data-table tbody tr:hover {
  background-color: var(--color-canvas-soft);
}

.data-table .row-total {
  font-weight: 700;
  background-color: var(--color-maroon-subtle);
  color: var(--color-maroon);
}

.data-table .text-right {
  text-align: right;
}

/* Formulaires Stylisés */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-navy);
  font-size: 0.95rem;
}

.form-label .required {
  color: var(--color-maroon);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background-color: #fff;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text-main);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: var(--touch-target);
}

.form-control:focus {
  border-color: var(--color-maroon);
  box-shadow: 0 0 0 3px rgba(128, 0, 0, 0.15);
  outline: none;
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-help {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

/* FAQ & Accordéons */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #fff;
  overflow: hidden;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-navy);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: var(--touch-target);
}

.faq-question:hover {
  background-color: var(--color-canvas-soft);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
  line-height: 1.7;
}

/* Timeline & Jalons */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 2.5rem 0;
  border-left: 3px solid var(--color-maroon);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.45rem;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-maroon);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-maroon);
}

.timeline-date {
  font-weight: 700;
  color: var(--color-maroon);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* Équipe & Conseil d'Administration */
.board-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 2.5rem 0;
}

.board-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.board-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.25rem auto;
  border: 4px solid var(--color-maroon-subtle);
  overflow: hidden;
  background-color: var(--color-canvas-soft);
}

.board-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.board-name {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.board-role {
  color: var(--color-maroon);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.board-bio {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* --- Footer Institutionnel --- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 4px solid var(--color-maroon);
}

.footer-top {
  text-align: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-footer-border);
  margin-bottom: 3rem;
}

.footer-emblem-svg {
  width: 56px;
  height: 56px;
  margin-bottom: 0.75rem;
  filter: brightness(1.2);
}

.footer-org-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.footer-tagline {
  color: var(--color-footer-muted);
  font-size: 0.95rem;
}

.footer-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--color-maroon);
  margin-top: 0.5rem;
}

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

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: var(--color-footer-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
  min-height: 24px;
}

.footer-links a:hover,
.footer-links a:focus {
  color: #FFFFFF;
  padding-left: 4px;
  text-decoration: none;
}

.footer-contact-info {
  font-size: 0.9rem;
  color: var(--color-footer-muted);
  line-height: 1.7;
}

/* Bloc Mention Légale Obligatoire */
.footer-legal-notice-block {
  background-color: var(--color-footer-card);
  border: 1px solid var(--color-footer-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-footer-muted);
  text-align: center;
}

.footer-legal-notice-block strong {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-footer-border);
  font-size: 0.85rem;
  color: var(--color-footer-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* --- Responsive Breakpoints (Strict 992px & 768px) --- */
@media (max-width: 992px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.55rem; }
  
  .cards-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .events-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .board-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .content-with-sidebar {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .split-panel {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .split-panel.reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.4rem; }
  
  .utility-bar {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-maroon);
    border-top: 1px solid var(--color-crimson);
  }
  
  .main-nav.is-open {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  
  .nav-link {
    justify-content: space-between;
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }
  
  .nav-dropdown {
    position: static;
    display: block;
    background-color: #5a0010;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
  }
  
  .dropdown-link {
    color: #F9F8F6;
    padding: 0.75rem 1.5rem 0.75rem 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.9rem;
  }
  
  .dropdown-link:hover {
    background-color: rgba(0,0,0,0.2);
    color: #fff;
  }
  
  .hero-image-wrapper {
    min-height: 400px;
  }
  
  .hero-content h1 {
    font-size: 1.85rem;
  }
  
  .hero-slogan {
    font-size: 1.05rem;
  }
  
  .cards-grid-4,
  .cards-grid-3,
  .cards-grid-2,
  .events-grid-4,
  .board-grid,
  .footer-grid-4,
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .mission-statement-box {
    padding: 1.5rem;
  }
}