/* ==========================================================================
   ARTS BORIGENES - STYLESHEET OFFICIEL (LOI 1901)
   Architecture : Neo-Brutalist Editorial Hybrid
   Charte chromatique : Blanc pur (#FFFFFF), Crème éditoriale (#F5F5F0), 
   Encre ardoise (#1E293B), Terre cuite (#C2410C), Ocre forêt (#4D7C0F)
   ========================================================================== */

:root {
  --bg-canvas: #F5F5F0;
  --bg-surface: #FFFFFF;
  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border-structural: #1E293B;
  --accent-terracotta: #C2410C;
  --accent-ochre: #4D7C0F;
  --accent-light: #FFF7ED;
  --shadow-block: 4px 4px 0px #1E293B;
  --shadow-block-lg: 6px 6px 0px #1E293B;
  --shadow-block-sm: 2px 2px 0px #1E293B;
  --sidebar-width: 280px;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Courier New", monospace;
}

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

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

body {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   MASTER FRAMEWORK - 2-COLUMN GRID (NO OVERLAP / ANTI-CUTOFF)
   ========================================================================== */

.master-layout-wrapper {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ==========================================================================
   COLUMN 1: LEFT SIDEBAR HEADER
   ========================================================================== */

.sidebar-header-panel {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 2px solid var(--border-structural);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header-panel::-webkit-scrollbar {
  width: 5px;
}
.sidebar-header-panel::-webkit-scrollbar-thumb {
  background: var(--text-muted);
}

.brand-header-block {
  border-bottom: 2px solid var(--border-structural);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.brand-title a {
  color: inherit;
  text-decoration: none;
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-terracotta);
  margin-bottom: 12px;
}

/* Regulatory Metadata Sub-Card */
.metadata-registry-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-structural);
  padding: 12px;
  font-size: 0.72rem;
  line-height: 1.45;
  box-shadow: var(--shadow-block-sm);
  margin-top: 10px;
}

.registry-badge {
  display: inline-block;
  background: var(--accent-terracotta);
  color: #FFFFFF;
  padding: 2px 6px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.registry-meta-item {
  margin-bottom: 4px;
  color: var(--text-secondary);
}

.registry-meta-item strong {
  color: var(--text-primary);
}

.registry-meta-link {
  display: inline-block;
  margin-top: 6px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.registry-meta-link:hover {
  color: var(--accent-terracotta);
}

/* Navigation Tree */
.nav-directory-tree {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.nav-category-title {
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-structural);
  padding-bottom: 4px;
  margin-bottom: 8px;
}

.nav-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link-item a {
  display: block;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link-item a:hover {
  background: var(--accent-light);
  border-color: var(--border-structural);
  box-shadow: var(--shadow-block-sm);
  color: var(--accent-terracotta);
}

.nav-link-item.active a {
  background: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--border-structural);
  box-shadow: var(--shadow-block-sm);
}

/* Mobile Sidebar Toggle Controls */
.mobile-nav-toggle-bar {
  display: none;
  background: var(--bg-surface);
  border-bottom: 2px solid var(--border-structural);
  padding: 14px 20px;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.mobile-nav-brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
}

.mobile-menu-btn {
  background: var(--bg-canvas);
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block-sm);
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* ==========================================================================
   COLUMN 2: MAIN CONTENT AREA CANVAS (FLEX COLUMN)
   ========================================================================== */

.main-content-canvas {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
  background: var(--bg-canvas);
  width: 100%;
  overflow-x: hidden;
}

.content-inner-wrapper {
  padding: 50px 60px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

/* ==========================================================================
   EDITORIAL & NEO-BRUTALIST TYPOGRAPHY
   ========================================================================== */

h1, .hero-display-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-wrap: balance;
}

h2, .section-heading {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-top: 40px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-structural);
  padding-bottom: 8px;
}

h3, .sub-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-top: 28px;
  margin-bottom: 14px;
}

h4 {
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-top: 20px;
  margin-bottom: 10px;
}

p, .prose-block {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 80ch;
}

.lead-editorial {
  font-size: 1.25rem;
  line-height: 1.65;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 28px;
}

/* Direct 2-sentence Homepage Summary Block */
.direct-summary-box {
  background: #FFFFFF;
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  padding: 24px 28px;
  margin-bottom: 35px;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--text-primary);
  border-left: 8px solid var(--accent-terracotta);
}

/* Exact 120+ word Notre Mission Block */
.dedicated-mission-box {
  background: var(--accent-light);
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  padding: 30px;
  margin: 35px 0;
  position: relative;
}

.mission-box-badge {
  display: inline-block;
  background: var(--accent-terracotta);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  margin-bottom: 14px;
  border: 1px solid var(--border-structural);
}

.dedicated-mission-text {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  line-height: 1.8;
  font-weight: 500;
  color: var(--text-primary);
  font-style: italic;
}

/* Reinvestment Notice Banner */
.reinvestment-banner {
  background: #ECFDF5;
  border: 2px solid var(--accent-ochre);
  padding: 16px 20px;
  margin: 25px 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #064E3B;
  font-weight: 600;
  box-shadow: var(--shadow-block-sm);
}

.reinvestment-banner strong {
  display: block;
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 4px;
  color: var(--accent-ochre);
}

/* ==========================================================================
   BUTTONS & ACTIONS (NEO-BRUTALIST HOVER LOCK)
   ========================================================================== */

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.92rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  cursor: pointer;
  min-height: 48px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-terracotta);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #9A3412;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-block-lg);
  color: #FFFFFF;
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-canvas);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-block-lg);
}

/* ==========================================================================
   CARDS, GRIDS & STRUCTURAL PANELS
   ========================================================================== */

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 35px 0;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin: 35px 0;
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 35px 0;
}

.editorial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.editorial-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-block-lg);
}

.editorial-card-offset {
  margin-top: 15px;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--bg-canvas);
  border: 1px solid var(--border-structural);
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-tag-ochre {
  background: #F0FDF4;
  color: var(--accent-ochre);
  border-color: var(--accent-ochre);
}

.card-tag-terracotta {
  background: #FFF7ED;
  color: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
}

/* Images */
.media-container {
  width: 100%;
  border: 1px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  overflow: hidden;
  background: #000000;
  margin-bottom: 25px;
}

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

.media-hero {
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block-lg);
  margin-bottom: 35px;
}

/* Metrics & Statistics Matrix */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
  background: var(--bg-surface);
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  padding: 30px 20px;
}

.metric-cell {
  text-align: center;
  padding: 10px;
  border-right: 1px solid var(--border-structural);
}

.metric-cell:last-child {
  border-right: none;
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-terracotta);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

/* Timeline & Narrative Blocks */
.timeline-track {
  border-left: 2px solid var(--border-structural);
  padding-left: 25px;
  margin: 30px 0 30px 10px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.timeline-item {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-structural);
  box-shadow: var(--shadow-block-sm);
  padding: 20px 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 18px;
  width: 14px;
  height: 14px;
  background: var(--accent-terracotta);
  border: 2px solid var(--border-structural);
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 900;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* Tables */
.data-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 30px 0;
  border: 1px solid var(--border-structural);
  box-shadow: var(--shadow-block);
}

.editorial-table {
  width: 100%;
  border-collapse: collapse;
  background: #FFFFFF;
  text-align: left;
}

.editorial-table th {
  background: var(--text-primary);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 18px;
  border: 1px solid var(--border-structural);
}

.editorial-table td {
  padding: 14px 18px;
  font-size: 0.95rem;
  border: 1px solid var(--border-structural);
  color: var(--text-primary);
}

.editorial-table tr:nth-child(even) {
  background: var(--bg-canvas);
}

/* Forms */
.editorial-form {
  background: var(--bg-surface);
  border: 2px solid var(--border-structural);
  box-shadow: var(--shadow-block);
  padding: 35px;
  margin: 30px 0;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border-structural);
  background: var(--bg-canvas);
  color: var(--text-primary);
  box-shadow: inset 1px 1px 0px rgba(0,0,0,0.1);
  min-height: 48px;
}

.form-control:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--accent-terracotta);
  box-shadow: var(--shadow-block-sm);
}

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

/* ==========================================================================
   MEGA FOOTER (STABLE EXTENSION CANVAS)
   ========================================================================== */

.site-mega-footer {
  background: var(--bg-surface);
  border-top: 2px solid var(--border-structural);
  padding: 60px 40px;
  width: 100%;
  box-sizing: border-box;
}

.footer-columns-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 35px;
  box-sizing: border-box;
  width: 100%;
  margin-bottom: 45px;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-structural);
  padding-bottom: 8px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

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

.footer-links-list li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.15s ease;
  display: inline-block;
}

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

.footer-identity-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.footer-trust-baseline {
  border-top: 1px solid var(--border-structural);
  padding-top: 25px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.footer-trust-baseline p {
  margin-bottom: 10px;
  max-width: 100%;
  font-size: 0.82rem;
}

.footer-trust-baseline a {
  color: var(--text-primary);
  text-decoration: underline;
  font-weight: 700;
}

.footer-trust-baseline a:hover {
  color: var(--accent-terracotta);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS & MEDIA QUERIES
   ========================================================================== */

@media (max-width: 1024px) {
  .master-layout-wrapper {
    grid-template-columns: 240px 1fr;
  }
  
  .sidebar-header-panel {
    width: 240px;
    padding: 20px 15px;
  }
  
  .content-inner-wrapper {
    padding: 35px 30px;
  }
  
  h1, .hero-display-title {
    font-size: 2.6rem;
  }
  
  .footer-columns-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .master-layout-wrapper {
    display: flex;
    flex-direction: column;
  }
  
  .sidebar-header-panel {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 2px solid var(--border-structural);
    display: none; /* Controlled by toggle */
  }
  
  .sidebar-header-panel.mobile-active {
    display: flex;
  }
  
  .mobile-nav-toggle-bar {
    display: flex;
  }
  
  .content-inner-wrapper {
    padding: 25px 20px;
  }
  
  h1, .hero-display-title {
    font-size: 2.1rem;
  }
  
  h2, .section-heading {
    font-size: 1.65rem;
  }
  
  .grid-2col, .grid-3col, .grid-4col {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .metric-cell:nth-child(2) {
    border-right: none;
  }
  
  .footer-columns-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .site-mega-footer {
    padding: 40px 20px;
  }
}

@media (max-width: 480px) {
  h1, .hero-display-title {
    font-size: 1.8rem;
  }
  
  .metrics-strip {
    grid-template-columns: 1fr;
  }
  
  .metric-cell {
    border-right: none;
    border-bottom: 1px solid var(--border-structural);
    padding: 15px 0;
  }
  
  .metric-cell:last-child {
    border-bottom: none;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
  }
}