/* ==========================================================================
   COMPAGNIE TONTONBALLONS - FEUILLE DE STYLE OFFICIELLE 2026
   Architecture : Neo-Brutalist Editorial Hybrid
   Cadre : Association Loi 1901 - RNA W073002148 - SIREN 752318287
   ========================================================================== */

:root {
  --bg-canvas: #F5F5F0;
  --bg-card: #FFFFFF;
  --ink-primary: #1E293B;
  --ink-secondary: #475569;
  --ink-muted: #64748B;
  --accent-terracotta: #C2410C;
  --accent-ochre: #4D7C0F;
  --accent-ochre-light: #ECFCCB;
  --accent-cream: #FEF3C7;
  --border-line: 1px solid #1E293B;
  --border-thick: 2px solid #1E293B;
  --border-heavy: 3px solid #1E293B;
  --shadow-block: 4px 4px 0px #1E293B;
  --shadow-block-lg: 6px 6px 0px #1E293B;
  --shadow-block-accent: 4px 4px 0px #C2410C;
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
  background-color: var(--bg-canvas);
}

/* ==========================================================================
   MASTER LAYOUT GRID (Strict 2-Column Framework)
   ========================================================================== */
.master-layout-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ==========================================================================
   SIDEBAR NAVIGATION (280px)
   ========================================================================== */
.sidebar-header-panel {
  width: 280px;
  background: var(--bg-card);
  border-right: var(--border-thick);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  box-sizing: border-box;
}

.sidebar-header-panel::-webkit-scrollbar {
  width: 6px;
}
.sidebar-header-panel::-webkit-scrollbar-thumb {
  background: var(--ink-primary);
}

.sidebar-brand-block {
  border-bottom: var(--border-thick);
  padding-bottom: 20px;
}

.brand-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--ink-primary);
  color: #FFFFFF;
  padding: 3px 8px;
  margin-bottom: 8px;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  text-decoration: none;
  display: block;
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--ink-secondary);
  margin-top: 6px;
  line-height: 1.3;
}

/* Metadata Registry Sub-Card */
.metadata-registry-subcard {
  background: var(--bg-canvas);
  border: var(--border-line);
  padding: 12px 14px;
  box-shadow: 2px 2px 0px var(--ink-primary);
  font-size: 0.78rem;
  line-height: 1.4;
}

.metadata-registry-subcard .reg-title {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--accent-terracotta);
  margin-bottom: 4px;
  display: block;
}

.metadata-registry-subcard .reg-item {
  color: var(--ink-primary);
  font-size: 0.75rem;
  margin-bottom: 3px;
}

.metadata-registry-subcard .reg-item strong {
  color: var(--ink-primary);
}

.metadata-registry-subcard a {
  color: var(--accent-terracotta);
  text-decoration: underline;
  font-weight: 600;
}

/* Directory Tree Navigation */
.directory-nav-matrix {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-category-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-category-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-secondary);
  border-bottom: 1px dashed var(--ink-muted);
  padding-bottom: 4px;
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-primary);
  text-decoration: none;
  padding: 7px 10px;
  border: 1px solid transparent;
  min-height: 44px; /* Touch target size */
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  line-height: 1.2;
}

.nav-link:hover, .nav-link.active {
  background: #FFFFFF;
  border: var(--border-line);
  box-shadow: 2px 2px 0px var(--ink-primary);
  color: var(--accent-terracotta);
}

.nav-link.active {
  border-left: 4px solid var(--accent-terracotta);
  background: var(--bg-canvas);
}

/* Mobile Toggle Header */
.mobile-top-bar {
  display: none;
  background: var(--bg-card);
  border-bottom: var(--border-thick);
  padding: 14px 20px;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-sizing: border-box;
}

.mobile-logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink-primary);
  text-decoration: none;
}

.mobile-menu-btn {
  background: var(--ink-primary);
  color: #FFFFFF;
  border: none;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
}

/* ==========================================================================
   MAIN CONTENT AREA CANVAS
   ========================================================================== */
.main-canvas-area {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
  background-color: var(--bg-canvas);
}

.content-inner-canvas {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 48px;
  box-sizing: border-box;
}

/* ==========================================================================
   EDITORIAL & NEO-BRUTALIST TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--ink-primary);
  font-family: var(--font-display);
  line-height: 1.2;
  margin-bottom: 16px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

h1 {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 36px;
}

h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 24px;
}

h4 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-primary);
  margin-bottom: 20px;
  max-width: 75ch;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

p.lead {
  font-size: 1.22rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink-primary);
  border-left: 4px solid var(--accent-terracotta);
  padding-left: 20px;
  margin: 24px 0;
}

/* ==========================================================================
   HOMEPAGE HERO SECTION & MANDATORY NOTRE MISSION BLOCK
   ========================================================================== */
.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-lg);
  padding: 40px;
  margin-bottom: 48px;
}

.hero-summary-statement {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-primary);
  background: var(--accent-ochre-light);
  border: var(--border-line);
  padding: 16px 20px;
  margin: 20px 0 28px 0;
  line-height: 1.5;
}

/* Statutary Mission Paragraph - Exactly 120+ words */
.notre-mission-box {
  background: #FFFBEB;
  border: var(--border-thick);
  border-left: 8px solid var(--accent-terracotta);
  box-shadow: var(--shadow-block);
  padding: 28px 32px;
  margin: 36px 0;
}

.notre-mission-box .mission-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

.notre-mission-box .mission-text {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--ink-primary);
  margin-bottom: 0;
  font-style: normal;
}

/* Non-commercial CTA Buttons */
.btn-cta {
  display: inline-block;
  background: var(--accent-terracotta);
  color: #FFFFFF !important;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
  line-height: 1.3;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--ink-primary);
}

.btn-cta-secondary {
  background: #FFFFFF;
  color: var(--ink-primary) !important;
}

.btn-cta-secondary:hover {
  background: var(--bg-canvas);
}

/* ==========================================================================
   IMAGE CONTAINERS & RESPONSIVE BEHAVIOR (Strict filemtime protocol)
   ========================================================================== */
.editorial-image-frame {
  position: relative;
  width: 100%;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  background: var(--bg-card);
  overflow: hidden;
  margin: 24px 0;
}

.editorial-image-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ==========================================================================
   GRIDS & EDITORIAL CARDS
   ========================================================================== */
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 32px 0 48px 0;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0 48px 0;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 32px 0 48px 0;
}

.editorial-card {
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.editorial-card.offset-card {
  transform: translateY(8px);
}

.editorial-card-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 8px;
  display: block;
}

/* Statistics Matrix */
.stat-matrix-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 24px;
  margin: 36px 0;
}

.stat-item {
  border-left: 3px solid var(--accent-terracotta);
  padding-left: 16px;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--ink-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-top: 6px;
}

/* Funding and Transparency Blocks */
.funding-statement-box {
  background: #F0FDF4;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 24px 28px;
  margin: 36px 0;
}

.funding-statement-box .funding-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-ochre);
  margin-bottom: 12px;
}

/* Forms (Contact, etc.) */
.form-card {
  background: var(--bg-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-lg);
  padding: 32px;
  margin: 36px 0;
}

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

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  border: var(--border-thick);
  padding: 12px 16px;
  font-size: 1rem;
  font-family: var(--font-sans);
  background: #FFFFFF;
  color: var(--ink-primary);
  box-shadow: 2px 2px 0px var(--ink-primary);
  box-sizing: border-box;
}

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

/* ==========================================================================
   MEGA FOOTER (Stable Canvas Extension)
   ========================================================================== */
.mega-footer-wrapper {
  background: #FFFFFF;
  border-top: var(--border-thick);
  padding: 60px 48px 36px 48px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  box-sizing: border-box;
  width: 100%;
}

.mega-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  width: 100%;
  box-sizing: border-box;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-primary);
  border-bottom: 2px solid var(--accent-terracotta);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links-list a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

.footer-links-list a:hover {
  color: var(--accent-terracotta);
  text-decoration: underline;
}

.footer-trust-baseline {
  border-top: var(--border-thick);
  padding-top: 30px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

.footer-trust-baseline a {
  color: var(--accent-terracotta);
  text-decoration: underline;
  font-weight: 600;
}

/* ==========================================================================
   MOBILE & RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .master-layout-wrapper {
    grid-template-columns: 1fr;
  }

  .sidebar-header-panel {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    border-right: none;
    border-bottom: var(--border-thick);
  }

  .sidebar-header-panel.open {
    display: flex;
  }

  .mobile-top-bar {
    display: flex;
  }

  .content-inner-canvas {
    padding: 30px 24px;
  }

  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  .hero-editorial-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .card-grid-3, .card-grid-2, .card-grid-4 {
    grid-template-columns: 1fr;
  }

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

  .mega-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mega-footer-wrapper {
    padding: 40px 20px 24px 20px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.85rem;
  }

  .content-inner-canvas {
    padding: 20px 16px;
  }

  .stat-matrix-strip {
    grid-template-columns: 1fr;
  }

  .btn-cta {
    width: 100%;
    text-align: center;
  }
}