/* ==========================================================================
   AMICALE DU LIVRE - ASSOCIATION LOI 1901 OFFICIAL STYLESHEET
   Pure CSS3 - Responsive Grid & Flexbox Architecture - Zero Frameworks
   Compliant with French Civic Non-Profit Design & Accessibility Standards
   ========================================================================== */

:root {
  --primary-navy: #0f172a;
  --secondary-slate: #1e293b;
  --civic-blue: #1d4ed8;
  --civic-blue-hover: #1e40af;
  --civic-blue-light: #eff6ff;
  --civic-emerald: #047857;
  --civic-emerald-light: #ecfdf5;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --accent-gold: #b45309;
  --accent-gold-light: #fef3c7;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
}

*, *::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);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.68;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   TOP CIVIC UTILITY BAR
   ========================================================================== */
.top-utility-bar {
  background-color: #0b1329;
  color: #94a3b8;
  font-size: 0.8125rem;
  padding: 8px 24px;
  border-bottom: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-utility-bar .utility-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #e2e8f0;
  letter-spacing: 0.03em;
}

.top-utility-bar .utility-badge .dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #10b981;
}

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

.top-utility-bar .utility-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-seal {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-navy), var(--civic-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
  flex-shrink: 0;
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  color: var(--secondary-slate);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--civic-blue);
  background-color: var(--civic-blue-light);
}

.nav-link.active {
  color: var(--civic-blue);
  background-color: var(--civic-blue-light);
  font-weight: 700;
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: 8px;
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 1010;
}

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

.dropdown-link {
  display: flex;
  flex-direction: column;
  min-height: 44px;
  padding: 10px 14px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.dropdown-link:hover {
  background-color: var(--civic-blue-light);
  color: var(--civic-blue);
}

.dropdown-link strong {
  font-size: 0.9rem;
}

.dropdown-link span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--primary-navy);
  transition: all 0.3s ease;
}

/* CTA Buttons */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  background-color: var(--civic-blue);
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, transform 0.1s ease;
  border: 1px solid var(--civic-blue);
  cursor: pointer;
}

.btn-cta:hover {
  background-color: var(--civic-blue-hover);
  transform: translateY(-1px);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  background-color: transparent;
  color: var(--primary-navy) !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  border: 2px solid var(--border-medium);
  cursor: pointer;
}

.btn-cta-secondary:hover {
  background-color: var(--border-light);
  border-color: var(--text-secondary);
}

/* ==========================================================================
   PAGE HERO & BANNERS
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
  border-bottom: 1px solid var(--border-light);
  padding: 56px 24px 48px;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--civic-emerald-light);
  color: var(--civic-emerald);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid #a7f3d0;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 880px;
  margin-bottom: 24px;
}

/* Mandatory 2-Sentence Summary Box */
.summary-box-mandatory {
  background-color: #ffffff;
  border-left: 4px solid var(--civic-blue);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin-top: 18px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.summary-box-mandatory p {
  font-size: 1.0625rem;
  color: var(--secondary-slate);
  font-weight: 600;
  line-height: 1.6;
  margin: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ==========================================================================
   DOCUMENTARY PHOTOGRAPHY PROTOCOL (DONIT STYLE)
   ========================================================================== */
.doc-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid #E5E7EB;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin: 20px 0 8px 0;
  object-fit: cover;
  display: block;
}

.doc-figcaption {
  font-size: 0.875rem;
  color: #64748B;
  margin-bottom: 20px;
  font-style: italic;
  line-height: 1.4;
  padding: 0 4px;
}

.hero-photo-wrapper {
  margin: 32px 0 16px;
}

.hero-photo-wrapper .doc-img {
  max-height: 480px;
  object-fit: cover;
}

/* ==========================================================================
   METRICS & OPERATIONAL DATA
   ========================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.metric-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.metric-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--civic-blue);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.metric-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTENT LAYOUT & SECTIONS
   ========================================================================== */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px;
  flex: 1;
}

.section-block {
  margin-bottom: 56px;
}

.section-header {
  margin-bottom: 32px;
}

.section-tag {
  color: var(--civic-blue);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-top: 10px;
}

/* Mission Box */
.notre-mission-box {
  background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
  border: 2px solid #bbf7d0;
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 36px 0;
  box-shadow: var(--shadow-md);
}

.notre-mission-box h3 {
  color: var(--civic-emerald);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.notre-mission-box p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: #14532d;
  font-weight: 500;
}

/* Funding Notice Banner */
.funding-disclosure-banner {
  background-color: var(--accent-gold-light);
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.funding-disclosure-banner .icon {
  font-size: 1.5rem;
  color: var(--accent-gold);
  flex-shrink: 0;
}

.funding-disclosure-banner p {
  font-size: 0.9375rem;
  color: #78350f;
  margin: 0;
  line-height: 1.55;
}

.funding-disclosure-banner strong {
  color: #92400e;
  font-weight: 700;
}

/* ==========================================================================
   CARDS & GRIDS
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card-activity-preview {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-activity-preview:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.badge-blue {
  background-color: var(--civic-blue-light);
  color: var(--civic-blue);
}

.badge-green {
  background-color: var(--civic-emerald-light);
  color: var(--civic-emerald);
}

.badge-amber {
  background-color: var(--accent-gold-light);
  color: var(--accent-gold);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.card-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 20px;
}

/* Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  margin: 28px 0;
}

.civic-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.civic-data-table th {
  background-color: #f1f5f9;
  color: var(--primary-navy);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 2px solid var(--border-medium);
  white-space: nowrap;
}

.civic-data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  color: var(--secondary-slate);
}

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

.civic-data-table tr:hover td {
  background-color: #f8fafc;
}

/* Methodology Steps */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.methodology-step {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.step-number {
  width: 36px;
  height: 36px;
  background-color: var(--civic-blue);
  color: #ffffff;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: transparent;
  border: none;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background-color: #f8fafc;
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  display: block;
}

/* ==========================================================================
   FORMS & MODALS (AJAX)
   ========================================================================== */
.form-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background-color: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--civic-blue);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

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

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  animation: modalFadeIn 0.25s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-icon {
  width: 64px;
  height: 64px;
  background-color: var(--civic-emerald-light);
  color: var(--civic-emerald);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 18px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.modal-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: #0b1329;
  color: #94a3b8;
  font-size: 0.875rem;
  border-top: 3px solid var(--civic-blue);
  margin-top: auto;
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  color: #f1f5f9;
  font-size: 0.9375rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.15s ease;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

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

.footer-statement {
  background-color: #111c38;
  border-top: 1px solid #1e293b;
  border-bottom: 1px solid #1e293b;
  padding: 24px;
}

.footer-statement-inner {
  max-width: 1280px;
  margin: 0 auto;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #94a3b8;
}

.footer-statement-inner strong {
  color: #cbd5e1;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px;
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .top-utility-bar {
    font-size: 0.75rem;
    padding: 6px 16px;
    justify-content: center;
    text-align: center;
  }

  .top-utility-bar .utility-meta {
    justify-content: center;
  }

  .header-container {
    padding: 12px 16px;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 2px solid var(--border-medium);
    padding: 16px 20px;
    flex-direction: column;
    align-items: stretch;
    display: none;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 14px;
    background-color: #f8fafc;
    border-left: 2px solid var(--civic-blue);
    margin: 4px 0;
    display: flex;
  }

  .hero-section {
    padding: 36px 16px 32px;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-container {
    padding: 32px 16px;
  }

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

  .form-card {
    padding: 24px 16px;
  }
}