/* ==========================================================================
   ACCA D'ERCE (ASSOCIATION COMMUNALE DE CHASSE AGRÉÉE D'ERCE)
   Portail d'Information Institutionnel & d'Intérêt Général - Loi 1901
   Feuille de Style Principale & Système de Design Typographique
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Open+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --color-brand-navy: #0E2335;
  --color-brand-navy-dark: #07131D;
  --color-action-teal: #00A3E0;
  --color-action-teal-hover: #0084B6;
  --color-alert-coral: #E54838;
  --color-alert-coral-hover: #C93425;
  --color-canvas: #F4F6F8;
  --color-white: #FFFFFF;
  --color-slate-text: #1A1A1A;
  --color-slate-muted: #4B5B6D;
  --color-border-subtle: #D8E0E8;
  --color-border-accent: #00A3E0;
  --color-success: #2E7D32;
  --color-gold: #C28B23;
  --font-heading: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', 'Roboto', sans-serif;
  --radius-card: 2px;
  --shadow-subtle: 0 2px 8px rgba(14, 35, 53, 0.08);
  --shadow-elevated: 0 8px 24px rgba(14, 35, 53, 0.12);
  --transition-standard: all 0.22s ease-in-out;
  --max-width-container: 1240px;
}

/* --------------------------------------------------------------------------
   RESET & FONDAMENTAUX
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-canvas);
  color: var(--color-slate-text);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem; /* ~17px */
  line-height: 1.65;
  color: var(--color-slate-text);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: var(--color-action-teal);
  text-decoration: none;
  transition: var(--transition-standard);
}

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

/* --------------------------------------------------------------------------
   TYPOGRAPHIE INSTITUTIONNELLE
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.15;
  color: var(--color-brand-navy);
  margin-bottom: 0.85rem;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 1.5rem; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); margin-top: 1.25rem; }
h4 { font-size: 1.15rem; font-weight: 700; }

p {
  margin-bottom: 1.25rem;
  max-width: 80ch;
}

strong {
  font-weight: 700;
  color: var(--color-brand-navy);
}

.lead-paragraph {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--color-slate-text);
  font-weight: 500;
  margin-bottom: 1.75rem;
}

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

.container-narrow {
  width: 100%;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --------------------------------------------------------------------------
   BANDEAU ADMINISTRATIF SUPÉRIEUR (TOP UTILITY STRIP)
   -------------------------------------------------------------------------- */
.top-utility-strip {
  background-color: var(--color-brand-navy);
  color: #D3E0EA;
  font-size: 0.84rem;
  font-family: var(--font-body);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.55rem 0;
}

.top-utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.top-utility-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: #FFFFFF;
}

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

.top-utility-link {
  color: #D3E0EA;
  font-weight: 600;
  text-decoration: none;
}

.top-utility-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.btn-donate-strip {
  background-color: var(--color-alert-coral);
  color: var(--color-white) !important;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  text-decoration: none;
  white-space: nowrap;
  display: inline-block;
  transition: var(--transition-standard);
  border: none;
}

.btn-donate-strip:hover {
  background-color: var(--color-alert-coral-hover);
  text-decoration: none !important;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   BARRE DE NAVIGATION PRINCIPALE
   -------------------------------------------------------------------------- */
.main-header {
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(14, 35, 53, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-emblem {
  width: 46px;
  height: 46px;
  background-color: var(--color-brand-navy);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
  border-top: 3px solid var(--color-action-teal);
  flex-shrink: 0;
}

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

.brand-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1.1;
  color: var(--color-brand-navy);
  text-transform: uppercase;
}

.brand-subtitle {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-slate-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigation & Dropdowns */
.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-brand-navy);
  padding: 0.65rem 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 2px;
  transition: var(--transition-standard);
  white-space: nowrap;
}

.nav-link:hover, .nav-item:focus-within > .nav-link {
  color: var(--color-action-teal);
  background-color: var(--color-canvas);
  text-decoration: none;
}

.dropdown-caret {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-caret {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  border-radius: 2px;
  box-shadow: var(--shadow-elevated);
  border-top: 3px solid var(--color-action-teal);
  min-width: 250px;
  list-style: none;
  padding: 0.6rem 0;
  display: none;
  z-index: 1050;
}

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

.dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-brand-navy);
  text-transform: none;
  border-left: 3px solid transparent;
  transition: var(--transition-standard);
}

.dropdown-link:hover {
  background-color: var(--color-canvas);
  color: var(--color-action-teal);
  border-left-color: var(--color-action-teal);
  text-decoration: none;
  padding-left: 1.5rem;
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
}

.hamburger-label {
  display: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  background: var(--color-canvas);
  border-radius: 2px;
  border: 1px solid var(--color-border-subtle);
}

.hamburger-bars, .hamburger-bars::before, .hamburger-bars::after {
  width: 22px;
  height: 2.5px;
  background-color: var(--color-brand-navy);
  display: block;
  position: relative;
  transition: var(--transition-standard);
}

.hamburger-bars::before, .hamburger-bars::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger-bars::before { top: -7px; }
.hamburger-bars::after { bottom: -7px; }

/* --------------------------------------------------------------------------
   BOUTONS & APPELS À L'ACTION
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem; /* Exactly 2x vertical padding rule */
  border-radius: 2px;
  transition: var(--transition-standard);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none !important;
  white-space: nowrap;
  min-height: 44px;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 35, 53, 0.15);
}

.btn-primary {
  background-color: var(--color-action-teal);
  color: var(--color-white) !important;
  border-color: var(--color-action-teal);
}

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

.btn-alert {
  background-color: var(--color-alert-coral);
  color: var(--color-white) !important;
  border-color: var(--color-alert-coral);
}

.btn-alert:hover {
  background-color: var(--color-alert-coral-hover);
  border-color: var(--color-alert-coral-hover);
}

.btn-navy {
  background-color: var(--color-brand-navy);
  color: var(--color-white) !important;
  border-color: var(--color-brand-navy);
}

.btn-navy:hover {
  background-color: var(--color-brand-navy-dark);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white) !important;
  border-color: var(--color-white);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-brand-navy) !important;
}

.btn-outline-navy {
  background-color: transparent;
  color: var(--color-brand-navy) !important;
  border-color: var(--color-brand-navy);
}

.btn-outline-navy:hover {
  background-color: var(--color-brand-navy);
  color: var(--color-white) !important;
}

/* --------------------------------------------------------------------------
   CARTES INSTITUTIONNELLES & BLOCS
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  border-top: 4px solid var(--color-action-teal);
  padding: 1.75rem;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-standard);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.card-alert {
  border-top-color: var(--color-alert-coral);
}

.card-navy {
  border-top-color: var(--color-brand-navy);
}

.card-gold {
  border-top-color: var(--color-gold);
}

.card-img-wrap {
  margin: -1.75rem -1.75rem 1.25rem -1.75rem;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.card:hover .card-img-wrap img {
  transform: scale(1.03);
}

.card-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.card-meta {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-action-teal);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-brand-navy);
}

.card-text {
  font-size: 0.98rem;
  color: var(--color-slate-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1 1 auto;
}

/* --------------------------------------------------------------------------
   HERO BANNER & ENTÊTES DE PAGE
   -------------------------------------------------------------------------- */
.hero-banner {
  position: relative;
  background-color: var(--color-brand-navy);
  color: var(--color-white);
  padding: 5rem 0;
  overflow: hidden;
  border-bottom: 4px solid var(--color-action-teal);
}

.hero-background-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-background-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.85);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
}

.hero-tag {
  display: inline-block;
  background-color: var(--color-action-teal);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

.hero-title {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-lead {
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  line-height: 1.65;
  color: #E6EFF5;
  margin-bottom: 2rem;
  max-width: 82ch;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

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

/* Page Header Standard */
.page-header {
  background-color: var(--color-brand-navy);
  color: var(--color-white);
  padding: 3.5rem 0 3rem;
  position: relative;
  border-bottom: 4px solid var(--color-action-teal);
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.page-header-subtitle {
  color: #C5D7E6;
  font-size: 1.15rem;
  max-width: 78ch;
  margin-bottom: 1rem;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: #8CA6BE;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: #C5D7E6;
}

.breadcrumbs a:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   NOTRE ENGAGEMENT & MISSION INSTITUTIONNELLE (BLOC MANDATAIRE)
   -------------------------------------------------------------------------- */
.mission-manifesto-box {
  background: var(--color-white);
  border-left: 6px solid var(--color-action-teal);
  border-radius: var(--radius-card);
  padding: 2.25rem;
  box-shadow: var(--shadow-subtle);
  margin: 2.5rem 0;
  border-top: 1px solid var(--color-border-subtle);
  border-right: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.mission-manifesto-box h2, .mission-manifesto-box h3 {
  color: var(--color-brand-navy);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mission-manifesto-text {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-slate-text);
  margin-bottom: 1.25rem;
}

.statutory-quote {
  background-color: var(--color-canvas);
  border-left: 4px solid var(--color-alert-coral);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-brand-navy);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   BANDEAU INTERACTIF TEAL
   -------------------------------------------------------------------------- */
.teal-banner-section {
  background-color: var(--color-action-teal);
  color: var(--color-white);
  padding: 3rem 0;
  margin: 3rem 0;
}

.teal-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.teal-banner-text h2 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.teal-banner-text p {
  color: #E2F4FA;
  margin-bottom: 0;
}

.teal-banner-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  width: 100%;
  max-width: 500px;
}

.teal-banner-form input[type="email"],
.teal-banner-form input[type="text"] {
  flex: 1 1 240px;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
}

.teal-banner-form input:focus {
  border-color: var(--color-brand-navy);
  box-shadow: 0 0 0 3px rgba(14, 35, 53, 0.2);
}

/* --------------------------------------------------------------------------
   GRILLES CSS FLUIDES & SECTION LAYOUTS
   -------------------------------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  margin: 3.5rem 0;
}

.split-section-reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.circular-update-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: var(--transition-standard);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.circular-update-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-subtle);
  border-color: var(--color-action-teal);
}

.circular-avatar-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: var(--color-canvas);
  border: 3px solid var(--color-action-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-brand-navy);
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 1.4rem;
}

/* --------------------------------------------------------------------------
   TABLEAUX DE DONNÉES & RATIOS FINANCIERS
   -------------------------------------------------------------------------- */
.data-table-wrapper {
  overflow-x: auto;
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  margin: 1.75rem 0;
  box-shadow: var(--shadow-subtle);
}

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

.data-table th {
  background-color: var(--color-brand-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.9rem 1.25rem;
  font-size: 0.85rem;
}

.data-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-slate-text);
}

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

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

.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 2px;
  font-size: 0.78rem;
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge-active {
  background-color: #E8F5E9;
  color: var(--color-success);
  border: 1px solid #A5D6A7;
}

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

.badge-alert {
  background-color: #FEE2E2;
  color: var(--color-alert-coral);
  border: 1px solid #FECACA;
}

/* --------------------------------------------------------------------------
   FORMULAIRES D'INTAKE ET DE CONTACT
   -------------------------------------------------------------------------- */
.form-container {
  background: var(--color-white);
  padding: 2.25rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  border-top: 4px solid var(--color-action-teal);
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-brand-navy);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border-subtle);
  border-radius: 2px;
  background-color: var(--color-canvas);
  color: var(--color-slate-text);
  transition: var(--transition-standard);
}

.form-control:focus {
  background-color: var(--color-white);
  border-color: var(--color-action-teal);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.2);
}

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

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

/* --------------------------------------------------------------------------
   TIMELINE CHRONOLOGIQUE (HISTORIQUE)
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  padding: 2rem 0;
  margin: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 4px;
  background-color: var(--color-border-subtle);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 60px;
}

.timeline-bullet {
  position: absolute;
  left: 14px;
  top: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 4px solid var(--color-action-teal);
  z-index: 2;
}

.timeline-bullet-coral {
  border-color: var(--color-alert-coral);
}

.timeline-year {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-brand-navy);
  margin-bottom: 0.25rem;
}

/* --------------------------------------------------------------------------
   FOOTER INSTITUTIONNEL (4 COLONNES & BANDEAU LÉGAL)
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: var(--color-brand-navy);
  color: #D3E0EA;
  padding-top: 4rem;
  margin-top: 4rem;
  border-top: 4px solid var(--color-action-teal);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background-color: var(--color-action-teal);
}

.footer-col p {
  color: #C1D2E0;
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

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

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

.footer-links a {
  color: #C1D2E0;
  font-size: 0.92rem;
  font-weight: 500;
  display: inline-block;
  transition: var(--transition-standard);
}

.footer-links a:hover {
  color: var(--color-white);
  transform: translateX(4px);
  text-decoration: none;
}

.footer-newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-newsletter-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #17344F;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  color: var(--color-white);
  font-size: 0.92rem;
}

.footer-newsletter-input:focus {
  border-color: var(--color-action-teal);
  outline: none;
}

.bottom-legal-strip {
  background-color: var(--color-brand-navy-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem 0;
  font-size: 0.85rem;
  color: #9CB2C6;
  line-height: 1.65;
  text-align: center;
}

.bottom-legal-strip strong {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   RESPONSIVITÉ & RÈGLES DE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .nav-menu {
    gap: 0.2rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.65rem;
    font-size: 0.8rem;
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .split-section, .split-section-reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Navigation Mobile Toggle via Checkbox */
  .hamburger-label {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-top: 2px solid var(--color-action-teal);
    gap: 0;
  }

  .mobile-nav-toggle:checked ~ .nav-menu {
    display: flex;
  }

  .mobile-nav-toggle:checked ~ .hamburger-label .hamburger-bars {
    background-color: transparent;
  }

  .mobile-nav-toggle:checked ~ .hamburger-label .hamburger-bars::before {
    transform: rotate(45deg);
    top: 0;
  }

  .mobile-nav-toggle:checked ~ .hamburger-label .hamburger-bars::after {
    transform: rotate(-45deg);
    bottom: 0;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav-link {
    padding: 0.85rem 0;
    font-size: 0.95rem;
    width: 100%;
    justify-content: space-between;
    min-height: 44px;
  }

  .dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border-top: none;
    background-color: var(--color-canvas);
    padding: 0.25rem 0.75rem 0.75rem;
    border-left: 3px solid var(--color-action-teal);
    margin-bottom: 0.5rem;
  }

  .dropdown-link {
    padding: 0.65rem 0.75rem;
    font-size: 0.88rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* MANDATORY MULTI-COLUMN COLLAPSE RULE */
  .grid-2, .grid-3, .grid-4, .grid-5, .footer-grid {
    grid-template-columns: 1fr !important;
  }

  .top-utility-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-banner {
    padding: 3rem 0;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .teal-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .teal-banner-form {
    max-width: 100%;
  }
}