/* ==========================================================================
   ARTS-FORM — ASSOCIATION LOI 1901
   Style System: Neo-Brutalist Editorial Hybrid (2026 Edition)
   Color Palette: Pure White (#FFFFFF), Editorial Cream (#F5F5F0),
                  Charcoal Slate (#1E293B), Deep Terracotta (#C2410C), Forest Ochre (#4D7C0F)
   ========================================================================== */

:root {
  --color-canvas: #F5F5F0;
  --color-surface: #FFFFFF;
  --color-ink: #1E293B;
  --color-ink-muted: #475569;
  --color-terracotta: #C2410C;
  --color-terracotta-light: #FFEDD5;
  --color-forest: #4D7C0F;
  --color-forest-light: #ECFCCB;
  --border-thick: 2px solid #1E293B;
  --border-thin: 1px solid #1E293B;
  --shadow-block: 4px 4px 0px #1E293B;
  --shadow-block-lg: 6px 6px 0px #1E293B;
  --shadow-block-sm: 2px 2px 0px #1E293B;
  --sidebar-width: 280px;
}

/* Reset and Core Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

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

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); text-transform: uppercase; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.25rem;
  line-height: 1.65;
  color: var(--color-ink);
  font-size: 1rem;
  max-width: 80ch;
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

/* Master Grid Framework: Two Columns */
.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;
}

/* Left Sidebar Header Navigation */
.sidebar-navigation-panel {
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: var(--border-thick);
  padding: 30px 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

/* Custom Scrollbar for Sidebar */
.sidebar-navigation-panel::-webkit-scrollbar {
  width: 5px;
}
.sidebar-navigation-panel::-webkit-scrollbar-thumb {
  background: var(--color-ink);
}

/* Top Branding in Sidebar */
.sidebar-brand-header {
  border-bottom: var(--border-thick);
  padding-bottom: 16px;
}

.brand-badge {
  display: inline-block;
  background: var(--color-terracotta);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: var(--border-thin);
  margin-bottom: 8px;
}

.brand-title {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-ink);
}

.brand-tagline {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink-muted);
  margin-top: 4px;
  line-height: 1.3;
}

/* Regulatory Metadata Registry Sub-Card */
.metadata-registry-card {
  background: var(--color-canvas);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-sm);
  padding: 12px 14px;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metadata-registry-card .meta-heading {
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  font-size: 0.7rem;
  border-bottom: var(--border-thin);
  padding-bottom: 4px;
  margin-bottom: 2px;
}

.metadata-registry-card .meta-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.metadata-registry-card .meta-label {
  font-weight: 700;
  color: var(--color-ink-muted);
}

.metadata-registry-card .meta-val {
  font-family: monospace;
  font-weight: 700;
  color: var(--color-ink);
}

.metadata-registry-card .meta-link {
  display: block;
  margin-top: 4px;
  font-weight: 800;
  color: var(--color-terracotta);
  text-decoration: underline;
  text-align: center;
  font-size: 0.72rem;
}

/* Directory Tree Links Grouping */
.nav-directory-tree {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.nav-group-title {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  padding-bottom: 4px;
  border-bottom: var(--border-thin);
  margin-bottom: 2px;
}

.nav-item-link {
  display: block;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-ink);
  background: #FFFFFF;
  border: var(--border-thin);
  box-shadow: 2px 2px 0px transparent;
  transition: all 0.12s ease;
  line-height: 1.3;
}

.nav-item-link:hover, .nav-item-link.active {
  background: var(--color-terracotta-light);
  border-color: var(--color-ink);
  box-shadow: 2px 2px 0px var(--color-ink);
  color: var(--color-terracotta);
}

/* Main Content Area Canvas */
.main-content-canvas {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
  background: var(--color-canvas);
  box-sizing: border-box;
}

.content-body-wrapper {
  padding: 40px 48px;
  max-width: 1240px;
  width: 100%;
  box-sizing: border-box;
}

/* Mobile Nav Toggle (Hidden on Desktop) */
.mobile-top-bar {
  display: none;
  background: var(--color-surface);
  border-bottom: var(--border-thick);
  padding: 14px 20px;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 120;
}

.mobile-brand-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.mobile-menu-btn {
  min-width: 44px;
  min-height: 44px;
  background: var(--color-canvas);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-sm);
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Editorial Cards, Containers & Offsets
   ========================================================================== */

.editorial-card {
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 28px;
  margin-bottom: 30px;
  box-sizing: border-box;
}

.editorial-card.accent-terracotta {
  border-top: 6px solid var(--color-terracotta);
}

.editorial-card.accent-forest {
  border-top: 6px solid var(--color-forest);
}

.editorial-card.offset-card {
  margin-left: 20px;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: var(--border-thin);
  margin-bottom: 14px;
}

.card-tag.tag-terracotta {
  background: var(--color-terracotta-light);
  color: var(--color-terracotta);
}

.card-tag.tag-forest {
  background: var(--color-forest-light);
  color: var(--color-forest);
}

.card-tag.tag-neutral {
  background: var(--color-canvas);
  color: var(--color-ink);
}

/* Hero Section */
.hero-block {
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-lg);
  padding: 36px;
  margin-bottom: 40px;
}

.hero-headline {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-lead-summary {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-canvas);
  border-left: 5px solid var(--color-terracotta);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* Standard Non-Commercial CTA Button */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--color-terracotta);
  color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-cta:hover {
  background: #9A3412;
  box-shadow: 2px 2px 0px var(--color-ink);
  transform: translate(2px, 2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  background: var(--color-surface);
  color: var(--color-ink);
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  white-space: nowrap;
}

.btn-secondary:hover {
  background: var(--color-canvas);
  box-shadow: 2px 2px 0px var(--color-ink);
  transform: translate(2px, 2px);
}

/* Dedicated Mission Paragraph Highlight Block */
.mission-highlight-block {
  background: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  border-left: 8px solid var(--color-forest);
  padding: 28px 32px;
  margin-bottom: 36px;
}

.mission-highlight-title {
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-forest);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mission-highlight-text {
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 0;
}

/* Responsive Image Frame (No Captions, Strict 16:9, Pure Border) */
.media-frame {
  width: 100%;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  background: #000000;
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.media-frame:hover img {
  transform: scale(1.02);
}

/* Grid Layouts */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

/* Metric / Stat Blocks */
.stat-card {
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 22px;
  text-align: left;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-terracotta);
  font-family: monospace;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

/* Institutional Notice / Compliance Banner */
.compliance-banner {
  background: var(--color-forest-light);
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  padding: 20px 24px;
  margin-bottom: 30px;
}

.compliance-banner p {
  margin-bottom: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1E3A1E;
}

.reinvestment-sentence {
  font-weight: 800;
  color: var(--color-forest);
  margin-top: 6px;
  display: block;
}

/* Narrative Timeline Block */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.timeline-entry {
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-block-sm);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
}

.timeline-year {
  font-size: 1.4rem;
  font-weight: 900;
  font-family: monospace;
  color: var(--color-terracotta);
}

.timeline-body h4 {
  margin-bottom: 6px;
}

/* Table Style for Financials and Registry */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: var(--border-thick);
  box-shadow: var(--shadow-block);
  background: var(--color-surface);
  margin-bottom: 30px;
}

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

.institutional-table th {
  background: var(--color-ink);
  color: #FFFFFF;
  padding: 14px 18px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  border-right: 1px solid #334155;
}

.institutional-table td {
  padding: 14px 18px;
  border-bottom: var(--border-thin);
  border-right: var(--border-thin);
  color: var(--color-ink);
}

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

/* Form Styling */
.institutional-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.form-label {
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-ink);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: var(--border-thick);
  background: #FFFFFF;
  color: var(--color-ink);
  font-family: inherit;
  box-shadow: var(--shadow-block-sm);
  outline: none;
}

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

/* ==========================================================================
   Universal Architectural Mega Footer
   ========================================================================== */

.universal-mega-footer {
  background: #FFFFFF;
  border-top: 2px solid #1E293B;
  padding: 60px 40px 30px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  box-sizing: border-box;
  width: 100%;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  padding-bottom: 8px;
  border-bottom: var(--border-thick);
  margin-bottom: 4px;
}

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

.footer-link-list a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-muted);
  display: inline-block;
  line-height: 1.4;
}

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

.footer-desc-text {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* Bottom Trust Baseline Block */
.footer-trust-baseline {
  grid-column: 1 / -1;
  border-top: var(--border-thick);
  padding-top: 28px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

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

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

.trust-highlight {
  font-weight: 800;
  color: var(--color-ink);
  display: block;
  margin-bottom: 6px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .master-layout-wrapper {
    grid-template-columns: 240px 1fr;
  }
  :root {
    --sidebar-width: 240px;
  }
  .grid-4col {
    grid-template-columns: repeat(2, 1fr);
  }
  .universal-mega-footer {
    grid-template-columns: repeat(2, 1fr);
    padding: 40px 24px 24px 24px;
  }
  .content-body-wrapper {
    padding: 30px 24px;
  }
}

@media (max-width: 768px) {
  .master-layout-wrapper {
    display: block;
    grid-template-columns: 1fr;
  }

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

  .sidebar-navigation-panel {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    border-right: none;
    border-bottom: var(--border-thick);
    z-index: 110;
  }

  .sidebar-navigation-panel.is-open {
    display: flex;
  }

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

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

  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .editorial-card.offset-card {
    margin-left: 0;
  }

  .content-body-wrapper {
    padding: 20px 16px;
  }

  .hero-block {
    padding: 24px 18px;
  }
}

@media (max-width: 480px) {
  .hero-cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-cta, .btn-secondary {
    width: 100%;
    text-align: center;
  }
}