/* ==========================================================================
   ASPRA - SAUVEGARDE DU PATRIMOINE RURAL ET ARTISANAL (LOI 1901)
   Architecture CSS Production-Ready & Mobile-Responsive
   Charte Typographique & Graphique Institutionnelle
   Palette : Raw Charcoal (#1C1A17) | Earth Ocher (#C87D55) | Alabaster Paper (#F9F6F0)
   ========================================================================== */

:root {
  --color-charcoal: #1C1A17;
  --color-charcoal-light: #2C2824;
  --color-ocher: #C87D55;
  --color-ocher-dark: #A7623D;
  --color-ocher-light: #E8A882;
  --color-ocher-subtle: rgba(200, 125, 85, 0.12);
  --color-alabaster: #F9F6F0;
  --color-alabaster-card: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-dark: #B8AFA4;
  --color-text-main: #1C1A17;
  --color-text-muted: #575148;
  --color-text-light: #7E776C;
  --color-white: #FFFFFF;
  
  --font-serif: "Georgia", "Baskerville", "Playfair Display", "Times New Roman", serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", "Courier New", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --box-shadow-card: 0 4px 18px rgba(28, 26, 23, 0.04);
  --box-shadow-elevated: 0 10px 30px rgba(28, 26, 23, 0.08);
}

/* --------------------------------------------------------------------------
   RESET & BASE
   -------------------------------------------------------------------------- */
*, *::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-text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-alabaster);
  color: var(--color-text-main);
  line-height: 1.68;
  padding-top: 110px; /* Offset for sticky double-decker header */
  position: relative;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-ocher);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin-bottom: 1.2rem;
}

h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-top: 1.6rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-ocher-subtle);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  margin-top: 1.2rem;
  margin-bottom: 0.6rem;
}

h4 {
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ocher-dark);
}

p {
  margin-bottom: 1.15rem;
  font-size: 1.02rem;
  color: var(--color-text-muted);
}

p.lead {
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--color-charcoal);
  font-weight: 400;
}

.mono-tag, .admin-stamp, .code-ref {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background-color: var(--color-alabaster);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
  display: inline-block;
  color: var(--color-charcoal);
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   READING PROGRESS STRIP
   -------------------------------------------------------------------------- */
#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-color: var(--color-ocher);
  transition: height 0.05s ease-out;
}

/* --------------------------------------------------------------------------
   HEADER ARCHITECTURE (DOUBLE-DECKER)
   -------------------------------------------------------------------------- */
.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--color-alabaster);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 10px rgba(28, 26, 23, 0.05);
}

/* Row 1: 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;
}

.utility-bar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.utility-bar a {
  color: var(--color-alabaster);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.utility-bar a:hover {
  color: var(--color-ocher-light);
}

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

.main-nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-ocher-dark);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Nav Links & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-charcoal);
  padding: 0.6rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-height: 44px;
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-ocher);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--color-alabaster-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--box-shadow-elevated);
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 10002;
}

.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 1.2rem;
  font-size: 0.88rem;
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
}

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

/* Nav CTA Button */
.btn-nav-action {
  background-color: var(--color-ocher);
  color: var(--color-white);
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-nav-action:hover {
  background-color: var(--color-ocher-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-charcoal);
  font-size: 1.4rem;
  padding: 8px 12px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* --------------------------------------------------------------------------
   BUTTONS & CTAS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.94rem;
  padding: 0.75rem 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-ocher);
  color: var(--color-white);
  border-color: var(--color-ocher);
}

.btn-primary:hover {
  background-color: var(--color-ocher-dark);
  border-color: var(--color-ocher-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-charcoal);
  border-color: var(--color-charcoal);
}

.btn-secondary:hover {
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
}

.btn-outline-ocher {
  background-color: transparent;
  color: var(--color-ocher-dark);
  border-color: var(--color-ocher);
}

.btn-outline-ocher:hover {
  background-color: var(--color-ocher);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.5rem;
}

/* --------------------------------------------------------------------------
   LAYOUT CONTAINERS & GRIDS
   -------------------------------------------------------------------------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section-padding {
  padding: 60px 0;
}

.section-padding-sm {
  padding: 36px 0;
}

/* Asymmetrical Grid: 1fr 3fr with narrow monospace sidebar */
.asym-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 30px;
  align-items: start;
}

.sidebar-logs {
  background-color: var(--color-alabaster-card);
  border: 1px solid var(--color-border);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--color-charcoal);
  position: sticky;
  top: 130px;
}

.sidebar-logs h4 {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  text-transform: uppercase;
  color: var(--color-ocher-dark);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.sidebar-log-item {
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--color-border);
}

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

.sidebar-label {
  color: var(--color-text-light);
  font-size: 0.76rem;
  text-transform: uppercase;
  display: block;
}

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

.main-content-flow {
  background-color: var(--color-alabaster-card);
  border: 1px solid var(--color-border);
  padding: 40px;
  box-shadow: var(--box-shadow-card);
}

/* --------------------------------------------------------------------------
   HERO BANNER & SLIDER
   -------------------------------------------------------------------------- */
.hero-block {
  position: relative;
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
  padding: 50px 0 60px 0;
  border-bottom: 3px solid var(--color-ocher);
  overflow: hidden;
}

.hero-slider-wrap {
  position: relative;
  width: 100%;
  border: 1px solid var(--color-border-dark);
  margin-bottom: 2rem;
  overflow: hidden;
  max-height: 480px;
}

.hero-slider-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
}

.hero-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(28, 26, 23, 0.92), rgba(28, 26, 23, 0));
  padding: 24px;
  color: var(--color-white);
}

.hero-nonprofit-notice {
  background-color: rgba(200, 125, 85, 0.15);
  border-left: 4px solid var(--color-ocher);
  padding: 18px 24px;
  margin: 1.5rem 0;
  color: var(--color-alabaster);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-nonprofit-notice p {
  color: var(--color-alabaster);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   CARDS & PILLARS
   -------------------------------------------------------------------------- */
.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card-item {
  background-color: var(--color-alabaster-card);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card-item:hover {
  transform: translateY(-2px);
  border-color: var(--color-ocher);
}

.card-image-wrap {
  margin: -24px -24px 20px -24px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-item:hover .card-image-wrap img {
  transform: scale(1.03);
}

.card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ocher-dark);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  display: block;
}

/* --------------------------------------------------------------------------
   DATA TABLES & LEDGERS
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background-color: var(--color-alabaster-card);
  border: 1px solid var(--color-border);
}

.ledger-table th, .ledger-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.ledger-table th {
  background-color: var(--color-alabaster);
  color: var(--color-charcoal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

.ledger-table tr:hover td {
  background-color: rgba(200, 125, 85, 0.05);
}

.table-amount {
  text-align: right !important;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   IMPACT NUMBERS GRID
   -------------------------------------------------------------------------- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 2.5rem 0;
}

.impact-metric-box {
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
  padding: 24px;
  text-align: center;
  border-top: 3px solid var(--color-ocher);
}

.impact-metric-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-ocher-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.impact-metric-label {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-alabaster);
}

/* --------------------------------------------------------------------------
   FORMS (BENEVOLAT & CONTACT)
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-charcoal);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.form-control, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background-color: var(--color-alabaster);
  border: 1px solid var(--color-border);
  color: var(--color-charcoal);
  border-radius: 3px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  min-height: 44px;
}

.form-control:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-ocher);
  background-color: var(--color-alabaster-card);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   TIMELINE (ABOUT & MISSION)
   -------------------------------------------------------------------------- */
.timeline-list {
  position: relative;
  padding-left: 28px;
  margin: 2rem 0;
  list-style: none;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-color: var(--color-border);
}

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

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-ocher);
  border: 3px solid var(--color-alabaster-card);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-ocher-dark);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

/* --------------------------------------------------------------------------
   FOOTER ARCHITECTURE
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
  padding: 60px 0 30px 0;
  border-top: 4px solid var(--color-ocher);
  margin-top: 60px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--color-ocher-light);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.4rem;
}

.footer-col p {
  color: #C0B9AF;
  font-size: 0.9rem;
  line-height: 1.6;
}

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

.footer-links-list li {
  margin-bottom: 0.6rem;
}

.footer-links-list a {
  color: #D4CDC3;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
  display: inline-block;
  min-height: 24px;
}

.footer-links-list a:hover {
  color: var(--color-ocher-light);
  padding-left: 3px;
}

.footer-mandatory-legal-box {
  background-color: var(--color-charcoal-light);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #E2DDD5;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.footer-bottom-bar a {
  color: var(--color-text-light);
}

.footer-bottom-bar a:hover {
  color: var(--color-ocher-light);
}

/* --------------------------------------------------------------------------
   RESPONSIVENESS (BREAKPOINTS 992px & 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  body {
    padding-top: 110px;
  }

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

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

  .sidebar-logs {
    position: static;
    margin-bottom: 24px;
  }

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

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

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .nav-menu {
    position: fixed;
    top: 110px;
    left: 0;
    width: 100%;
    background-color: var(--color-alabaster);
    border-bottom: 2px solid var(--color-ocher);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 0;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    display: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  }

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

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

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 1rem;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: rgba(200, 125, 85, 0.06);
    padding: 4px 0 8px 16px;
    display: none;
  }

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

  .btn-nav-action {
    width: 100%;
    margin-top: 16px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 130px; /* Slightly taller on small screens due to utility bar wrap */
  }

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

  .utility-bar-inner {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
    font-size: 11px;
  }

  .main-nav-bar {
    height: 64px;
  }

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

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

  .footer-top-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom-bar {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .main-content-flow {
    padding: 20px 16px;
  }

  .hero-slider-wrap img {
    height: 280px;
  }
}