/* ==========================================================================
   FESTIS - ASSOCIATION CULTURELLE LOI 1901
   Design System: Neo-Brutalist Editorial Hybrid Architecture
   Universal Stylesheet & Responsive Breakpoints
   ========================================================================== */

:root {
  --bg-canvas: #F5F5F0;
  --bg-card: #FFFFFF;
  --text-ink: #1E293B;
  --text-muted: #475569;
  --border-dark: #1E293B;
  --border-subtle: #CBD5E1;
  --accent-terracotta: #C2410C;
  --accent-terracotta-hover: #9A3412;
  --accent-ochre: #4D7C0F;
  --accent-ochre-hover: #3F6212;
  --shadow-hard: 4px 4px 0px #1E293B;
  --shadow-hard-lg: 6px 6px 0px #1E293B;
  --shadow-hard-sm: 2px 2px 0px #1E293B;
  --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
  --sidebar-width: 280px;
}

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

html {
  font-size: 16px;
  background-color: var(--bg-canvas);
  color: var(--text-ink);
  font-family: var(--font-display);
  line-height: 1.65;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ==========================================================================
   MASTER LAYOUT GRID (TWO-COLUMN ARCHITECTURE)
   ========================================================================== */

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

/* ==========================================================================
   LEFT-SIDEBAR NAVIGATION FRAMEWORK
   ========================================================================== */

.sidebar-header-panel {
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 2px solid var(--border-dark);
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header-panel::-webkit-scrollbar {
  width: 4px;
}
.sidebar-header-panel::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
}

.brand-badge {
  display: inline-block;
  background: var(--text-ink);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  margin-bottom: 8px;
}

.brand-logo-title {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-ink);
  text-decoration: none;
  display: block;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
  line-height: 1.3;
}

/* Registry Sub-Card */
.metadata-registry-card {
  background: var(--bg-canvas);
  border: 1.5px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  padding: 12px 14px;
  margin: 20px 0 24px 0;
  font-size: 0.75rem;
  line-height: 1.45;
}

.metadata-registry-card .registry-title {
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-ink);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: 4px;
}

.metadata-registry-card p {
  margin: 2px 0;
  color: var(--text-muted);
}

.metadata-registry-card a {
  color: var(--accent-terracotta);
  font-weight: 700;
  text-decoration: underline;
}

/* Navigation Categories & Directory Matrix */
.nav-directory-tree {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.nav-category-heading {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  border-bottom: 1px solid var(--border-dark);
  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;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-ink);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-link-item a:hover {
  background: var(--bg-canvas);
  border-color: var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  color: var(--accent-terracotta);
  transform: translate(-1px, -1px);
}

.nav-link-item a.active {
  background: var(--text-ink);
  color: #FFFFFF;
  border-color: var(--border-dark);
}

.sidebar-footer-stat {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Mobile Header Bar */
.mobile-top-bar {
  display: none;
  background: var(--bg-card);
  border-bottom: 2px solid var(--border-dark);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 150;
  justify-content: space-between;
  align-items: center;
}

.mobile-toggle-btn {
  background: var(--text-ink);
  color: #FFFFFF;
  border: 1px solid var(--border-dark);
  padding: 8px 14px;
  font-weight: 800;
  font-size: 0.82rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   MAIN CONTENT AREA CANVAS & FLEX BLOCK
   ========================================================================== */

.main-content-canvas {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
  background-color: var(--bg-canvas);
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.page-body-container {
  padding: 48px 48px 64px 48px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  flex-grow: 1;
}

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

.editorial-tag {
  display: inline-flex;
  align-items: center;
  background: var(--accent-terracotta);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  white-space: nowrap;
}

.editorial-tag-ochre {
  background: var(--accent-ochre);
}

.editorial-tag-dark {
  background: var(--text-ink);
}

.page-title {
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-ink);
  margin-bottom: 18px;
}

.page-subtitle-lead {
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 80ch;
  margin-bottom: 32px;
}

h2.section-heading {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-ink);
  margin: 40px 0 18px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-dark);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

h3.sub-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-ink);
  margin: 28px 0 12px 0;
}

p.content-paragraph {
  font-size: 1.02rem;
  line-height: 1.72;
  color: #334155;
  margin-bottom: 20px;
  max-width: 75ch;
}

/* ==========================================================================
   BLOCKS, CARDS, MATRICES & MEDIA
   ========================================================================== */

.editorial-card {
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard);
  padding: 32px;
  margin-bottom: 32px;
  box-sizing: border-box;
}

.editorial-card:hover {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.editorial-card-flat {
  background: var(--bg-card);
  border: 1.5px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  padding: 24px;
  margin-bottom: 24px;
}

.card-offset-right {
  margin-left: 24px;
}

.card-offset-left {
  margin-right: 24px;
}

.mission-highlight-card {
  background: #FFFBEB;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard);
  padding: 32px;
  margin: 36px 0;
  position: relative;
}

.mission-highlight-card .quote-badge {
  position: absolute;
  top: -14px;
  left: 24px;
  background: var(--accent-terracotta);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border: 1px solid var(--border-dark);
}

.mission-highlight-card p {
  font-size: 1.12rem;
  line-height: 1.75;
  font-weight: 600;
  color: #1E293B;
  font-style: normal;
}

/* Image Frames with Cache-busting support */
.img-editorial-frame {
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard);
  background: #FFFFFF;
  margin-bottom: 28px;
  overflow: hidden;
  position: relative;
}

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

/* Multi-Column Layout Grids */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 32px;
}

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

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

/* Statistical Impact Matrix */
.stat-metric-card {
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  padding: 24px;
  text-align: left;
}

.stat-metric-card .stat-number {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-terracotta);
  letter-spacing: -0.04em;
  margin-bottom: 6px;
}

.stat-metric-card .stat-label {
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-ink);
  margin-bottom: 4px;
}

.stat-metric-card .stat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Timeline Components for About Page */
.timeline-matrix {
  border-left: 3px solid var(--border-dark);
  padding-left: 28px;
  margin: 32px 0 32px 14px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--accent-terracotta);
  border: 2px solid var(--border-dark);
}

.timeline-year-tag {
  display: inline-block;
  background: var(--text-ink);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 8px;
  margin-bottom: 8px;
}

/* Interactive CTA and Contact Buttons */
.btn-editorial-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-terracotta);
  color: #FFFFFF !important;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 28px;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  min-height: 48px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-editorial-primary:hover {
  background: var(--accent-terracotta-hover);
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

.btn-editorial-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--text-ink) !important;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 24px;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  min-height: 46px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-editorial-secondary:hover {
  background: var(--bg-canvas);
  box-shadow: var(--shadow-hard);
  transform: translate(-1px, -1px);
}

/* Tables and Structured Financials */
.editorial-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  background: #FFFFFF;
}

.editorial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.editorial-table th {
  background: var(--text-ink);
  color: #FFFFFF;
  padding: 14px 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  border-right: 1px solid #334155;
}

.editorial-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  color: var(--text-ink);
}

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

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

/* Forms */
.form-field-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-ink);
  margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-ink);
  background: #FFFFFF;
  border: 2px solid var(--border-dark);
  box-shadow: var(--shadow-hard-sm);
  outline: none;
  box-sizing: border-box;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-terracotta);
  box-shadow: var(--shadow-hard);
}

/* ==========================================================================
   MEGA FOOTER (FOUR-COLUMN ARCHITECTURAL TEMPLATE)
   ========================================================================== */

.site-mega-footer {
  background: var(--bg-card);
  border-top: 2px solid var(--border-dark);
  padding: 60px 48px 40px 48px;
  box-sizing: border-box;
  width: 100%;
  margin-top: auto;
}

.footer-grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  max-width: 1200px;
  margin: 0 auto 48px auto;
}

.footer-column .footer-col-title {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ink);
  border-bottom: 2px solid var(--border-dark);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.footer-column p {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 12px;
}

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

.footer-nav-links a {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-ink);
  text-decoration: none;
  line-height: 1.35;
  transition: color 0.15s ease;
}

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

.footer-trust-baseline {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 2px solid var(--border-dark);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (BREAKPOINTS)
   ========================================================================== */

@media (max-width: 1024px) {
  .app-master-layout {
    grid-template-columns: 240px 1fr;
  }
  
  :root {
    --sidebar-width: 240px;
  }
  
  .page-body-container {
    padding: 36px 32px 48px 32px;
  }
  
  .grid-4col {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .app-master-layout {
    grid-template-columns: 1fr;
    display: block;
  }
  
  .sidebar-header-panel {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    border-right: none;
    border-bottom: 2px solid var(--border-dark);
    display: none;
  }
  
  .sidebar-header-panel.mobile-open {
    display: flex;
  }
  
  .mobile-top-bar {
    display: flex;
  }
  
  .page-body-container {
    padding: 24px 20px 40px 20px;
  }
  
  .page-title {
    font-size: 2.1rem;
  }
  
  .grid-2col, .grid-3col, .grid-4col {
    grid-template-columns: 1fr;
  }
  
  .footer-grid-container {
    grid-template-columns: 1fr;
  }
  
  .site-mega-footer {
    padding: 40px 20px 30px 20px;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 1.75rem;
  }
  
  .stat-metric-card .stat-number {
    font-size: 2.2rem;
  }
  
  .editorial-card {
    padding: 20px 16px;
  }
}