/* ==========================================================================
   STYLE.CSS - CIE DES NUITS PARTAGEES
   Association Loi 1901 | RNA: W343001786 | SIREN: 440465862
   Design System: Raw Charcoal, Earth Ocher, Deep Alabaster Paper
   ========================================================================== */

:root {
  --color-charcoal: #1C1A17;
  --color-charcoal-soft: #2B2824;
  --color-earth-ocher: #C87D55;
  --color-ocher-hover: #AF6843;
  --color-ocher-subtle: rgba(200, 125, 85, 0.12);
  --color-alabaster: #F9F6F0;
  --color-white: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-subtle: #E8E2D9;
  --color-text-muted: #5F5A52;
  --color-text-dim: #888277;
  
  --font-serif: "Playfair Display", "Cinzel", "Georgia", "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Courier New", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --header-height: 110px;
  --utility-height: 38px;
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-alabaster);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-charcoal);
  background-color: var(--color-alabaster);
  padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Headings & Serif Elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.25;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 1.5rem; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--color-charcoal);
}

a {
  color: var(--color-earth-ocher);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-ocher-hover);
}

/* Reading Progress Strip */
#reading-progress-track {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: rgba(200, 125, 85, 0.2);
  z-index: 10001;
}

#reading-progress-bar {
  width: 100%;
  height: 0%;
  background: var(--color-earth-ocher);
  transition: height 0.05s linear;
}

/* ==========================================================================
   HEADER ARCHITECTURE
   ========================================================================== */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(28, 26, 23, 0.06);
}

/* Row 1: Utility Bar */
.utility-bar {
  background-color: #1C1A17;
  color: #F9F6F0;
  height: 38px;
  font-family: monospace;
  font-size: 13px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-bar .utility-container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  white-space: nowrap;
  overflow-x: auto;
}

.utility-meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.utility-tag {
  background: rgba(200, 125, 85, 0.25);
  color: #F9F6F0;
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 600;
}

.utility-link {
  color: #D9D2C9;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.utility-link:hover {
  color: #FFFFFF;
}

/* Row 2: Main Navigation */
.main-nav-bar {
  height: 72px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.main-nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-identity {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.brand-subline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-charcoal);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  min-height: 44px;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link:focus,
.nav-item:hover > .nav-link {
  color: var(--color-earth-ocher);
  background-color: var(--color-ocher-subtle);
}

/* Dropdown styling */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(28, 26, 23, 0.12);
  min-width: 220px;
  padding: 0.5rem 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10010;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.88rem;
  color: var(--color-charcoal);
  font-weight: 500;
  border-left: 2px solid transparent;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.dropdown-link:hover {
  background: var(--color-alabaster);
  color: var(--color-earth-ocher);
  border-left-color: var(--color-earth-ocher);
}

.dropdown-desc {
  display: block;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

/* Nav CTA Button */
.nav-cta-btn {
  background-color: var(--color-charcoal);
  color: #F9F6F0 !important;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-charcoal);
  transition: all 0.2s ease;
}

.nav-cta-btn:hover {
  background-color: var(--color-earth-ocher);
  border-color: var(--color-earth-ocher);
  color: #FFFFFF !important;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  font-size: 1.25rem;
  color: var(--color-charcoal);
}

/* ==========================================================================
   LAYOUT STRUCTURES
   ========================================================================== */
.site-main {
  flex: 1 0 auto;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.5rem 4rem;
}

/* Full Width Hero */
.hero-wrapper {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: 0 4px 16px rgba(28, 26, 23, 0.04);
}

.hero-slider-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1C1A17;
  overflow: hidden;
}

.hero-slider-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-content {
  padding: 2.5rem 2.5rem;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-earth-ocher);
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.hero-summary-statement {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-charcoal-soft);
  border-left: 3px solid var(--color-earth-ocher);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  background: var(--color-alabaster);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Page Headers */
.page-header {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.page-header-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
}

/* Asymmetrical Grid: 1fr 3fr */
.asym-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 30px;
  align-items: start;
  margin-bottom: 3rem;
}

/* Monospace Sidebar Logs */
.sidebar-log {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--color-charcoal);
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-earth-ocher);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.sidebar-log-item {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--color-border-subtle);
}

.sidebar-log-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sidebar-label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-val {
  display: block;
  font-weight: 600;
  margin-top: 2px;
}

/* Main Content Area */
.content-area {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* White Cards with Border Lines */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(28, 26, 23, 0.03);
}

.card-image-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border-subtle);
  background: #1C1A17;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* Impact Numbers Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background: #1C1A17;
  color: #F9F6F0;
  padding: 2.5rem;
  border-radius: var(--radius-sm);
  margin: 2.5rem 0;
}

.impact-item {
  border-left: 2px solid var(--color-earth-ocher);
  padding-left: 1.25rem;
}

.impact-number {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-earth-ocher);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.impact-label {
  font-size: 0.88rem;
  color: #D9D2C9;
  line-height: 1.35;
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-charcoal);
  color: #F9F6F0 !important;
  border: 1px solid var(--color-charcoal);
}

.btn-primary:hover {
  background-color: var(--color-earth-ocher);
  border-color: var(--color-earth-ocher);
  color: #FFFFFF !important;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-charcoal) !important;
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  border-color: var(--color-charcoal);
  color: var(--color-charcoal) !important;
}

.btn-accent {
  background-color: var(--color-earth-ocher);
  color: #FFFFFF !important;
  border: 1px solid var(--color-earth-ocher);
}

.btn-accent:hover {
  background-color: var(--color-ocher-hover);
  border-color: var(--color-ocher-hover);
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 1.5rem 0;
}

/* Institutional Badges & Tags */
.badge-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-charcoal);
  background: var(--color-ocher-subtle);
  border: 1px solid var(--color-earth-ocher);
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.badge-official {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: #E8E2D9;
  color: var(--color-charcoal);
  padding: 2px 6px;
  border-radius: 2px;
}

/* Tables & Accounting Ledgers */
.ledger-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: left;
}

.ledger-table th {
  background-color: var(--color-charcoal);
  color: #F9F6F0;
  padding: 0.85rem 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
}

.ledger-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-charcoal);
}

.ledger-table tr:nth-child(even) td {
  background-color: #FAF8F5;
}

.ledger-table tr:hover td {
  background-color: #F2EDE4;
}

.ledger-table tfoot td {
  font-weight: 700;
  border-top: 2px solid var(--color-charcoal);
  background-color: #EFE9DE;
}

/* Structured Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-charcoal);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-charcoal);
  min-height: 44px;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-earth-ocher);
  box-shadow: 0 0 0 3px rgba(200, 125, 85, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Timeline Components */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--color-earth-ocher);
  margin: 2rem 0;
}

.timeline-step {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-step::before {
  content: "";
  position: absolute;
  left: calc(-2rem - 6px);
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-charcoal);
  border: 2px solid var(--color-earth-ocher);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-earth-ocher);
  margin-bottom: 0.25rem;
}

/* Notice Box */
.notice-box {
  background: #FAF8F5;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-earth-ocher);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
}

.notice-box h4 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--color-charcoal);
}

/* ==========================================================================
   FOOTER ARCHITECTURE
   ========================================================================== */
#site-footer {
  flex-shrink: 0;
  background-color: #1C1A17;
  color: #F9F6F0;
  border-top: 3px solid var(--color-earth-ocher);
  padding: 4rem 1.5rem 2.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col h4 {
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-earth-ocher);
  padding-bottom: 0.4rem;
  display: inline-block;
}

.footer-col p {
  color: #D9D2C9;
  font-size: 0.88rem;
  line-height: 1.6;
}

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

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: #D9D2C9;
  font-size: 0.88rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-earth-ocher);
  text-decoration: underline;
}

.footer-mono-box {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: #D9D2C9;
}

.footer-mandatory-disclosure {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(217, 210, 201, 0.2);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #FAF8F5;
  margin-bottom: 1.5rem;
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #888277;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  :root {
    --header-height: 110px;
  }

  /* Hide reading progress bar on mobile */
  #reading-progress-track {
    display: none !important;
  }

  /* Asymmetrical Grid breakdown */
  .asym-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sidebar-log {
    position: static;
  }

  .grid-4, .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.75rem;
  }

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

  /* Mobile Nav */
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: 1rem 1.5rem 2rem;
    box-shadow: 0 12px 24px rgba(28, 26, 23, 0.15);
    border-bottom: 2px solid var(--color-earth-ocher);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    align-items: stretch;
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav-dropdown {
    position: static;
    box-shadow: none;
    border: none;
    background: var(--color-alabaster);
    padding: 0.5rem 1rem;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: block;
    margin-bottom: 0.5rem;
  }

  .nav-cta-btn {
    margin-top: 1rem;
    justify-content: center;
    width: 100%;
  }

  .utility-bar .utility-container {
    font-size: 11px;
    gap: 0.75rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 116px;
  }

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

  .impact-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-content {
    padding: 1.5rem;
  }

  .page-header {
    padding: 1.5rem;
  }

  .card {
    padding: 1.25rem;
  }

  .utility-bar .utility-container {
    flex-direction: column;
    height: auto;
    padding: 6px 1rem;
    align-items: flex-start;
  }

  .utility-bar {
    height: auto;
    min-height: 38px;
  }
}