/* ==========================================================================
   MEMOIRE ET PATRIMOINE CHAUNOIS — INSTITUTIONAL STYLESHEET
   Public Interest Non-Profit Organization (RNA: W022006151 | SIREN: 851318568)
   Strict Pure CSS Grid & Flexbox Architecture — Optimized for Core Web Vitals
   Palette: Royal Blue (#002366), Deep Gold (#D4AF37 / #FFD700), Slate Canvas
   ========================================================================== */

:root {
  --color-primary: #002366;          /* Institutional Royal Blue */
  --color-primary-dark: #001744;     /* Deep Navy */
  --color-primary-light: #0d388e;    /* Heraldic Accent Blue */
  --color-gold: #c59b27;             /* Refined Antique Gold */
  --color-gold-hover: #b0871d;       /* Deep Gold Hover */
  --color-gold-light: #fef9e7;       /* Warm Parchment Light */
  --color-text-main: #1e293b;        /* Charcoal Slate */
  --color-text-muted: #64748b;       /* Institutional Slate Gray */
  --color-text-light: #94a3b8;       /* Subtle Border/Placeholder */
  --color-bg-body: #f8fafc;          /* Soft Off-White Background */
  --color-bg-card: #ffffff;          /* Pure White Card Canvas */
  --color-border: #e2e8f0;          /* Subtle Structural Divider */
  --color-border-strong: #cbd5e1;
  --font-heading: 'Merriweather', 'Georgia', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max: 1200px;
  --transition: all 0.2s ease-in-out;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 35, 102, 0.05);
  --shadow-md: 0 4px 15px rgba(0, 35, 102, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 35, 102, 0.12);
}

*, *::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(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.7;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   CONTAINER & LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.main-content {
  flex: 1 0 auto;
}

/* ==========================================================================
   HEADER SYSTEM: DOUBLE-DECKER INSTITUTIONAL BAR
   ========================================================================== */
.site-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--color-gold);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 35, 102, 0.08);
}

/* Row 1: Top Utility Bar */
.top-utility-bar {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  font-size: 0.8125rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-utility-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-utility-badge .status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-gold);
  border-radius: 50%;
  display: inline-block;
}

.top-utility-badge strong {
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.top-utility-badge span.rna {
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: monospace;
}

.top-utility-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-utility-links a {
  color: #cbd5e1;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.top-utility-links a:hover {
  color: var(--color-gold);
}

/* Row 2: Main Navigation Bar */
.main-nav-bar {
  padding: 14px 0;
  background-color: #ffffff;
}

.main-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.site-brand {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.site-brand .brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.2;
}

.site-brand .brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

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

.main-nav-menu a {
  text-decoration: none;
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-block;
  min-height: 44px;
  line-height: 28px;
}

.main-nav-menu a:hover,
.main-nav-menu a.active {
  color: var(--color-primary);
  background-color: rgba(0, 35, 102, 0.05);
}

.main-nav-menu a.active {
  border-bottom: 2px solid var(--color-gold);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-cta-btn {
  background-color: var(--color-primary);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  letter-spacing: 0.02em;
}

.nav-cta-btn:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

/* ==========================================================================
   HERO BANNER MODULES
   ========================================================================== */
.hero-institutional {
  background: linear-gradient(135deg, #001744 0%, #002366 60%, #0a2d75 100%);
  color: #ffffff;
  padding: 60px 0 50px 0;
  border-bottom: 3px solid var(--color-gold);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(197, 155, 39, 0.2);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.4);
  padding: 4px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 16px;
}

.hero-institutional h1 {
  font-family: var(--font-heading);
  font-size: 2.375rem;
  line-height: 1.25;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

.hero-summary-block {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #e2e8f0;
  margin-bottom: 24px;
  border-left: 4px solid var(--color-gold);
  padding-left: 18px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary {
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  min-height: 44px;
}

.btn-primary:hover {
  background-color: #ffd700;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
  transform: translateY(-1px);
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  min-height: 44px;
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   DOCUMENTARY PHOTOGRAPHY PROTOCOL & CAPTIONS
   ========================================================================== */
figure.doc-figure {
  margin: 24px 0 32px 0;
  display: block;
}

img.doc-photo {
  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;
}

figcaption.doc-caption {
  font-size: 0.875rem;
  color: #64748B;
  margin-bottom: 20px;
  font-style: italic;
  display: block;
  line-height: 1.5;
  padding: 4px 6px;
  border-left: 2px solid var(--color-gold);
}

/* ==========================================================================
   MANDATORY "OUR MISSION" CONTINUOUS BLOCK (120+ WORDS)
   ========================================================================== */
.mission-callout-panel {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  margin: 40px 0;
  box-shadow: var(--shadow-md);
}

.mission-callout-panel h2 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.75rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.mission-callout-panel h2::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 24px;
  background-color: var(--color-gold);
  border-radius: 2px;
}

.mission-continuous-text {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #334155;
  text-align: justify;
}

/* ==========================================================================
   CONTENT LAYOUT: TWO-COLUMN EDITORIAL & SIDE-RAIL
   ========================================================================== */
.editorial-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin: 48px 0;
}

.editorial-full {
  margin: 48px 0;
}

.content-article {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #334155;
}

.content-article h2 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.75rem;
  margin: 36px 0 16px 0;
  line-height: 1.35;
}

.content-article h3 {
  font-family: var(--font-heading);
  color: #0f172a;
  font-size: 1.3125rem;
  margin: 28px 0 12px 0;
  line-height: 1.4;
}

.content-article p {
  margin-bottom: 22px;
}

.content-article ul, .content-article ol {
  margin: 16px 0 24px 28px;
}

.content-article li {
  margin-bottom: 10px;
}

/* Side Rail Panel: Key Figures & Focus */
.side-rail {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.side-card-header {
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.side-card-header h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.1875rem;
  font-weight: 700;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.stat-item {
  padding: 14px;
  background-color: var(--color-bg-body);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.stat-number {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 6px;
}

/* Pillars Grid (Focus 2026) */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 36px 0;
}

.pillar-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.pillar-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pillar-tag {
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.pillar-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.pillar-body p {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.65;
  margin-bottom: 16px;
}

/* ==========================================================================
   PROGRAM MODULES & STATUS TAGS (Activities)
   ========================================================================== */
.program-module {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}

.program-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.program-header h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.375rem;
}

.status-tag {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* Governance & Timeline Modules (About) */
.timeline-block {
  border-left: 3px solid var(--color-gold);
  padding-left: 24px;
  margin: 32px 0 32px 12px;
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-gold);
}

.timeline-date {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 6px;
}

.governance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0;
}

.governance-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.governance-role {
  color: var(--color-gold);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.governance-card h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.1875rem;
  margin-bottom: 10px;
}

.governance-card p {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
}

/* Financial Transparency & Reinvestment Pledge Box */
.reinvestment-pledge-box {
  background: linear-gradient(135deg, #fef9e7 0%, #fff 100%);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 36px 0;
}

.reinvestment-pledge-box blockquote {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-style: italic;
}

/* ==========================================================================
   FORMS & INPUTS (Volunteer, Contact)
   ========================================================================== */
.form-panel {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  margin: 32px 0;
}

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

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.1);
}

.form-submit-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
}

.form-submit-btn:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   MODAL DIALOG (Thank You Popup)
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 23, 68, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  text-align: center;
  border-top: 6px solid var(--color-gold);
  box-shadow: var(--shadow-lg);
  animation: modalPop 0.25s ease-out;
}

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

.modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 18px;
}

.modal-card h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.modal-card p {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-close-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}

/* ==========================================================================
   FOOTER UNIVERSAL SYSTEM (3-COLUMN GRID & DISCLOSURE)
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  border-top: 3px solid var(--color-gold);
  margin-top: 60px;
  padding-top: 48px;
  padding-bottom: 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-size: 1.0625rem;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col h4::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: rgba(212, 175, 55, 0.4);
}

.footer-desc {
  font-size: 0.875rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 16px;
}

.footer-reg-list {
  list-style: none;
  font-size: 0.8125rem;
  color: #94a3b8;
  line-height: 1.8;
}

.footer-reg-list strong {
  color: #e2e8f0;
}

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

.footer-nav-list li {
  margin-bottom: 10px;
}

.footer-nav-list a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
  display: inline-block;
  padding: 4px 0;
  min-height: 36px;
  line-height: 28px;
}

.footer-nav-list a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-compliance-box {
  background-color: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--color-gold);
  padding: 18px 24px;
  margin: 28px 0;
  border-radius: var(--radius-sm);
  font-size: 0.84375rem;
  line-height: 1.65;
  color: #cbd5e1;
}

.footer-bottom-line {
  padding-top: 18px;
  text-align: center;
  font-size: 0.78125rem;
  color: #94a3b8;
}

/* ==========================================================================
   FLUID RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .editorial-layout {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 768px) {
  .top-utility-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .top-utility-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px;
  }

  .main-nav-inner {
    position: relative;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .main-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--color-border);
    z-index: 100;
  }

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

  .main-nav-menu a {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav-inner .nav-cta-btn {
    display: none; /* Accessible in menu or top utility on mobile */
  }

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

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

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

  .hero-institutional h1 {
    font-size: 1.875rem;
  }
}