/* ==========================================================================
   ASSOCIATION THESIS — PORTAIL OFFICIEL (LOI 1901)
   Architecture Typographique & Système de Conception Institutionnel
   Palette : Raw Charcoal (#1C1A17), Earth Ocher (#C87D55), Alabaster (#F9F6F0)
   ========================================================================== */

:root {
  --color-charcoal: #1C1A17;
  --color-charcoal-soft: #2E2B27;
  --color-ocher: #C87D55;
  --color-ocher-hover: #B26B45;
  --color-ocher-light: rgba(200, 125, 85, 0.12);
  --color-alabaster: #F9F6F0;
  --color-card-bg: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-dark: #A39B90;
  --color-muted-text: #5A5650;
  --color-slate: #4A5568;

  --font-serif: "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", "Georgia", serif;
  --font-display: "Bodoni MT", "Didot", "Cinzel", "Playfair Display", "Georgia", serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;

  --header-height: 110px;
  --container-max: 1240px;
  --radius-sm: 3px;
  --radius-md: 6px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-alabaster);
  color: var(--color-charcoal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-serif);
  line-height: 1.68;
  padding-top: var(--header-height);
  background-color: var(--color-alabaster);
  color: var(--color-charcoal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Reading Progress Indicator */
#reading-progress-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: rgba(200, 125, 85, 0.2);
  z-index: 10001;
  pointer-events: none;
}

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

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin-bottom: 0.8rem;
}

h1 { font-size: clamp(2rem, 3.8vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.65rem); }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1.25rem;
  max-width: 76ch;
}

a {
  color: var(--color-ocher);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: var(--transition);
}

a:hover {
  color: var(--color-ocher-hover);
  text-decoration-thickness: 2px;
}

/* Monospace Institutional Metadata & Badges */
.mono-label, .meta-tag, .badge-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-charcoal);
}

.badge-mono {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: #EAE4D9;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.badge-mono.active-cycle {
  background: #E6EDE2;
  border-color: #B5CBB0;
  color: #264A22;
}

.badge-mono.ocher {
  background: var(--color-ocher-light);
  border-color: rgba(200, 125, 85, 0.35);
  color: #8C4E29;
}

/* Layout Containers */
.site-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Double-Decker Sticky Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 18px rgba(28, 26, 23, 0.04);
}

/* Row 1: Administrative Utility Bar */
.utility-bar {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  height: 38px;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #332F2A;
}

.utility-bar .site-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.utility-meta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.utility-bar a {
  color: var(--color-alabaster);
  text-decoration: none;
  border-bottom: 1px dotted rgba(249, 246, 240, 0.6);
}

.utility-bar a:hover {
  color: #E29D76;
  border-bottom-color: #E29D76;
}

/* Row 2: Main Navigation Bar */
.main-navbar {
  height: 72px;
  display: flex;
  align-items: center;
  background: #FFFFFF;
}

.main-navbar .site-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-identity {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-charcoal);
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-charcoal);
  line-height: 1.1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ocher);
  font-weight: 600;
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  text-decoration: none;
  padding: 10px 4px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-ocher);
  border-bottom-color: var(--color-ocher);
}

.caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 3px;
  vertical-align: middle;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transition: transform 0.2s ease;
}

.nav-item:hover .caret {
  transform: rotate(180deg);
}

/* Dropdown styling */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(28, 26, 23, 0.09);
  padding: 8px 0;
  border-radius: var(--radius-sm);
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10002;
  list-style: none;
}

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

.dropdown-item a {
  display: block;
  padding: 9px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-charcoal);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-item a:hover {
  background: var(--color-alabaster);
  color: var(--color-ocher);
  padding-left: 22px;
}

/* Institutional CTA Button */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FFFFFF !important;
  background-color: var(--color-ocher);
  border: 1px solid var(--color-ocher);
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  transition: var(--transition);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  text-align: center;
  white-space: nowrap;
}

.btn-cta:hover {
  background-color: var(--color-ocher-hover);
  border-color: var(--color-ocher-hover);
  box-shadow: 0 4px 12px rgba(200, 125, 85, 0.28);
}

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

.btn-cta-outline:hover {
  background-color: var(--color-charcoal);
  color: #FFFFFF !important;
}

.btn-cta-secondary {
  background-color: #2E2B27;
  border-color: #2E2B27;
  color: #FFFFFF !important;
}

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

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-charcoal);
  transition: var(--transition);
}

/* Asymmetrical Grid (1fr 3fr pattern) */
.asym-grid-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 36px;
  margin-top: 36px;
  margin-bottom: 48px;
}

.asym-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  height: fit-content;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-charcoal);
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  border-bottom: 2px solid var(--color-ocher);
  padding-bottom: 8px;
  margin-bottom: 16px;
  color: var(--color-charcoal);
}

.sidebar-log-item {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
  line-height: 1.5;
}

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

.sidebar-log-key {
  color: var(--color-muted-text);
  font-size: 0.78rem;
  display: block;
  margin-bottom: 2px;
}

.sidebar-log-val {
  font-weight: 600;
  color: var(--color-charcoal);
  word-break: break-word;
}

.asym-content {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 40px;
  box-shadow: 0 4px 16px rgba(28, 26, 23, 0.02);
}

/* Page Intro & Hero Banners */
.page-intro-header {
  padding: 50px 0 30px;
  border-bottom: 1px solid var(--color-border);
  background: #F4EFE6;
}

.page-intro-header.minimal {
  padding: 40px 0 24px;
}

.page-intro-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.page-intro-summary {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-charcoal-soft);
  max-width: 82ch;
  margin-top: 14px;
}

/* Hero Section Homepage */
.hero-wrapper {
  background: #EFE9DE;
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-charcoal);
}

.hero-summary-statement {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--color-charcoal);
  margin-bottom: 28px;
  padding: 16px 20px;
  background: #FFFFFF;
  border-left: 4px solid var(--color-ocher);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: 0 3px 12px rgba(28, 26, 23, 0.03);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image-frame {
  position: relative;
  border: 1px solid var(--color-border);
  background: #FFFFFF;
  padding: 8px;
  box-shadow: 0 12px 36px rgba(28, 26, 23, 0.08);
  border-radius: var(--radius-sm);
}

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

/* Cards & Grid Modules */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 30px 0;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 30px 0;
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.content-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  border-color: var(--color-border-dark);
  box-shadow: 0 8px 24px rgba(28, 26, 23, 0.05);
}

.card-img-wrap {
  margin: -28px -28px 20px -28px;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.card-img-wrap img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.content-card:hover .card-img-wrap img {
  transform: scale(1.02);
}

/* Stat Metric Counter Display */
.metric-tile {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 24px 20px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-ocher);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted-text);
  font-weight: 600;
}

/* Standard Institutional Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
}

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

.ledger-table th {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 18px;
  border-bottom: 2px solid var(--color-ocher);
}

.ledger-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.ledger-table tr:nth-child(even) td {
  background: #FCFAF7;
}

.ledger-table tr:hover td {
  background: #F4EFE6;
}

.ledger-table .col-mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.ledger-table .col-amount {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Callout Box / Institutional Manifesto */
.callout-box {
  background: #F5EFE6;
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-ocher);
  padding: 24px 28px;
  margin: 28px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.callout-box p:last-child {
  margin-bottom: 0;
}

/* Form Styles */
.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-charcoal);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-charcoal);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-ocher);
  box-shadow: 0 0 0 3px rgba(200, 125, 85, 0.18);
}

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

/* Institutional Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-charcoal);
  color: #ECE7DE;
  border-top: 4px solid var(--color-ocher);
  padding: 60px 0 30px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: 18px;
  border-bottom: 1px solid #3B3834;
  padding-bottom: 8px;
}

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

.footer-links li {
  margin-bottom: 9px;
}

.footer-links a {
  color: #C8C3BA;
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-disclaimer-box {
  background: #141311;
  border: 1px solid #332F2A;
  padding: 24px;
  border-radius: var(--radius-sm);
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #B5AFA4;
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #332F2A;
  padding-top: 24px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #9C968B;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-bar a {
  color: #C87D55;
}

/* Timeline Components */
.timeline {
  position: relative;
  padding-left: 32px;
  margin: 30px 0;
  border-left: 2px solid var(--color-ocher);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -39px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: #FFFFFF;
  border: 3px solid var(--color-ocher);
  border-radius: 50%;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-ocher);
  font-weight: 700;
  margin-bottom: 4px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  :root {
    --header-height: auto;
  }

  body {
    padding-top: 116px;
  }

  #reading-progress-container {
    display: none !important;
  }

  .utility-bar {
    height: auto;
    padding: 6px 0;
  }

  .utility-bar .site-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .utility-meta-group {
    font-size: 11px;
    gap: 10px;
    flex-wrap: wrap;
  }

  .main-navbar {
    height: 70px;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    border-bottom: 2px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 12px;
    display: none;
    box-shadow: 0 16px 30px rgba(0,0,0,0.1);
    max-height: 80vh;
    overflow-y: auto;
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-menu {
    position: static;
    display: none;
    width: 100%;
    border: none;
    box-shadow: none;
    padding: 4px 0 10px 14px;
    background: #FBF9F5;
    opacity: 1;
    transform: none;
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: block;
  }

  .asym-grid-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .asym-sidebar {
    position: static;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 124px;
  }

  .asym-content {
    padding: 24px 18px;
  }

  .content-card {
    padding: 20px;
  }

  .card-img-wrap {
    margin: -20px -20px 16px -20px;
  }
}