/* ==========================================================================
   PORTAIL OFFICIEL - ASS DES AMIS DU BAT D ARGENT (LOI 1901)
   Feuille de style principale - Architecture CSS Fluide et Responsive
   Couleurs : Navy (#0E2335), Teal (#00A3E0), Coral (#E54838), Off-White (#F4F6F8)
   ========================================================================== */

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

:root {
  --color-navy: #0E2335;
  --color-navy-dark: #081622;
  --color-teal: #00A3E0;
  --color-teal-dark: #0082b3;
  --color-coral: #E54838;
  --color-coral-dark: #cc3627;
  --color-canvas: #F4F6F8;
  --color-white: #FFFFFF;
  --color-dark-slate: #1A1A1A;
  --color-border: #D8E0E8;
  --color-muted: #536270;
  --color-light-teal: #E6F6FC;
  --color-light-coral: #FDEEED;
  --shadow-sm: 0 2px 4px rgba(14, 35, 53, 0.06);
  --shadow-md: 0 4px 12px rgba(14, 35, 53, 0.08);
  --shadow-lg: 0 8px 24px rgba(14, 35, 53, 0.12);
  --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: 'Open Sans', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.0625rem; /* 17px */
  line-height: 1.65;
  color: var(--color-dark-slate);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typographie d'institution publique */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Oswald', Arial, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: 0.03em;
  color: var(--color-navy);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }

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

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

a:hover {
  color: var(--color-navy);
}

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

/* ==========================================================================
   TOP ADMINISTRATIVE UTILITY STRIP
   ========================================================================== */
.utility-strip {
  background-color: var(--color-navy);
  color: #D3E0EA;
  font-size: 0.82rem;
  padding: 0.5rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.utility-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.utility-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

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

.utility-link {
  color: #B2C8D8;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.utility-link:hover {
  color: #FFFFFF;
}

.btn-donate-strip {
  background-color: var(--color-coral);
  color: #FFFFFF !important;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.45rem 0.9rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  transition: var(--transition);
}

.btn-donate-strip:hover {
  background-color: var(--color-coral-dark);
  color: #FFFFFF !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   MAIN NAVIGATION
   ========================================================================== */
.main-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--color-border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.brand-crest {
  width: 44px;
  height: 44px;
  background-color: var(--color-navy);
  border-top: 3px solid var(--color-teal);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
}

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

.brand-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav Menu & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 2px;
  min-height: 44px;
  transition: var(--transition);
}

.nav-link-btn:hover,
.nav-item:hover .nav-link-btn {
  color: var(--color-teal);
  background-color: var(--color-canvas);
}

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

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-teal);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 2px 2px;
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 1100;
}

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

.nav-dropdown li a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-navy);
  min-height: 44px;
  line-height: 1.4;
  border-bottom: 1px solid #F0F4F8;
  transition: var(--transition);
}

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

.nav-dropdown li a:hover {
  background-color: var(--color-light-teal);
  color: var(--color-teal-dark);
  padding-left: 1.5rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  width: 48px;
  height: 48px;
  background: var(--color-navy);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.mobile-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   COMMON LAYOUT & CONTAINER
   ========================================================================== */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--color-white);
}

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

.section-navy h1,
.section-navy h2,
.section-navy h3 {
  color: var(--color-white);
}

.section-navy p {
  color: #D3E0EA;
}

.section-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 3rem auto;
}

.section-badge {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-teal);
  background-color: var(--color-light-teal);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
  margin-bottom: 0.85rem;
}

.section-badge-coral {
  color: var(--color-coral);
  background-color: var(--color-light-coral);
}

/* ==========================================================================
   BOUTONS & CALL TO ACTION
   ========================================================================== */
.btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.75rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
}

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

.btn-teal:hover {
  background-color: var(--color-teal-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-coral:hover {
  background-color: var(--color-coral-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

/* ==========================================================================
   CARDS & GRIDS (CARD STYLE PROTOCOL)
   Subtle 2px rounded corners, 4px top accent border, subtle drop-shadows
   ========================================================================== */
.card {
  background-color: var(--color-white);
  border-radius: 2px;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-teal);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

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

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

.card-img-wrapper {
  margin: -2rem -2rem 1.5rem -2rem;
  overflow: hidden;
  position: relative;
  background-color: var(--color-navy);
}

.card-img-wrapper img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

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

.card-meta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* Grid structures */
.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 layout */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 5rem 0;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.28;
  object-fit: cover;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-summary {
  font-size: 1.25rem;
  line-height: 1.6;
  color: #E2ECF3;
  margin-bottom: 2rem;
  font-weight: 400;
  border-left: 4px solid var(--color-teal);
  padding-left: 1.25rem;
}

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

/* Institutional Manifesto Callout */
.manifesto-box {
  background-color: var(--color-white);
  border-left: 6px solid var(--color-teal);
  padding: 2.25rem;
  border-radius: 2px;
  box-shadow: var(--shadow-sm);
  margin: 3rem 0;
}

.manifesto-title {
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.manifesto-quote {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-navy-dark);
  line-height: 1.7;
  font-weight: 600;
}

/* Teal Quick Intake Banner */
.teal-banner {
  background-color: var(--color-teal);
  color: var(--color-white);
  padding: 3rem 0;
}

.teal-banner h2 {
  color: var(--color-white);
}

.teal-banner-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.teal-input {
  flex: 1;
  min-width: 220px;
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background-color: var(--color-white);
  color: var(--color-dark-slate);
  border-radius: 2px;
  font-size: 1rem;
}

/* Status Badges */
.badge-status {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: #E2F6EA;
  color: #1A753C;
  border: 1px solid #B6E5CA;
}

/* Data Tables */
.data-table-wrapper {
  overflow-x: auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-teal);
  border-radius: 2px;
  box-shadow: var(--shadow-sm);
  margin: 2rem 0;
}

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

.data-table th {
  background-color: #F0F5F9;
  color: var(--color-navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--color-border);
}

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

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

/* Circular Updates Section */
.circular-item {
  text-align: center;
}

.circular-icon-box {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background-color: var(--color-light-teal);
  color: var(--color-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  font-size: 1.75rem;
  font-weight: 900;
  font-family: 'Montserrat', sans-serif;
  border: 3px solid var(--color-teal);
}

/* Timeline */
.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 3px;
  background-color: var(--color-teal);
}

.timeline-item {
  position: relative;
  margin-left: 55px;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -44px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-coral);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-navy);
}

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

.form-label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  color: var(--color-dark-slate);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

/* ==========================================================================
   MASTER FOOTER
   ========================================================================== */
.main-footer {
  background-color: var(--color-navy);
  color: #D3E0EA;
  padding-top: 4.5rem;
  border-top: 5px solid var(--color-teal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

.footer-col p {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 0.85rem;
  color: #B8CBD9;
}

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

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

.footer-links a {
  color: #D3E0EA;
  font-size: 0.92rem;
  transition: var(--transition);
  display: inline-block;
  min-height: 32px;
  line-height: 32px;
}

.footer-links a:hover {
  color: var(--color-teal);
  padding-left: 0.35rem;
}

.footer-newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border-radius: 2px;
  font-size: 0.9rem;
}

.footer-input:focus {
  outline: none;
  border-color: var(--color-teal);
  background-color: rgba(255, 255, 255, 0.15);
}

/* Mandatory Bottom Legal Strip */
.footer-legal-strip {
  background-color: var(--color-navy-dark);
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-legal-notice {
  font-size: 0.84rem;
  line-height: 1.65;
  color: #98ADC0;
  text-align: center;
  max-width: 1080px;
  margin: 0 auto;
}

.footer-legal-notice strong {
  color: #FFFFFF;
  font-weight: 700;
}

/* ==========================================================================
   MEDIA QUERY BREAKPOINTS (OBLIGATOIRES PROTOCOLE RESPONSIVE)
   ========================================================================== */

/* Breakpoint 992px : Tablettes & Ecrans Moyens */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .grid-4, .grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .split-layout {
    gap: 2rem;
  }
}

/* Breakpoint 768px : Mobiles & Multi-Column Collapse Protocol */
@media (max-width: 768px) {
  /* Multi-Column Collapse: Force all multi-column CSS Grid structures to single column */
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .footer-grid,
  .split-layout {
    grid-template-columns: 1fr !important;
  }

  .utility-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .utility-right {
    width: 100%;
    justify-content: space-between;
  }

  /* Responsive Navigation : Drawer & Stacked Dropdown */
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    border-bottom: 3px solid var(--color-teal);
    max-height: 80vh;
    overflow-y: auto;
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link-btn {
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: var(--color-canvas);
    display: none;
    padding: 0.25rem 0;
  }

  .nav-item.dropdown-open .nav-dropdown {
    display: block;
  }

  .nav-dropdown li a {
    padding-left: 2.25rem;
  }

  .hero-section {
    padding: 3.5rem 0;
  }

  .section {
    padding: 3rem 0;
  }
  
  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}