/* ==========================================================================
   PATRIMOINE DE FONTCHRISTIANNE - STYLESHEET PRINCIPAL (style.css)
   Association Loi 1901 - Briançon (Hautes-Alpes)
   Charte Typographique et Système de Design Institutionnel
   ========================================================================== */

:root {
  --color-charcoal: #1C1A17;
  --color-charcoal-light: #2D2926;
  --color-charcoal-muted: #57524D;
  --color-ocher: #C87D55;
  --color-ocher-dark: #A8623D;
  --color-ocher-light: #E8B499;
  --color-alabaster: #F9F6F0;
  --color-alabaster-card: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-dark: #B8AFA4;
  --font-serif: "Cinzel", "Playfair Display", "Times New Roman", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Courier New", Courier, monospace;
}

*, *::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-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-charcoal);
  background-color: var(--color-alabaster);
  padding-top: 110px; /* Espace requis pour la barre double-étage fixe */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

/* ==========================================================================
   RUBAN DE LECTURE (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-color: var(--color-ocher);
  transition: height 0.05s ease-out;
}

/* ==========================================================================
   EN-TÊTE FIXE DOUBLE-ÉTAGE (DOUBLE-DECKER HEADER)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  box-shadow: 0 2px 10px rgba(28, 26, 23, 0.08);
}

/* Étage 1 : Barre d'utilité publique */
.utility-bar {
  background-color: 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 rgba(217, 210, 201, 0.2);
}

.utility-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-meta {
  display: flex;
  gap: 20px;
  align-items: center;
}

.utility-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.utility-badge {
  background: rgba(200, 125, 85, 0.25);
  color: var(--color-ocher-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.utility-links a {
  color: var(--color-ocher-light);
  text-decoration: none;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}

.utility-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Étage 2 : Barre de navigation principale */
.main-nav-bar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.brand-acronym {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-charcoal);
  line-height: 1.1;
}

.brand-motto {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1.2px;
  color: var(--color-ocher);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Navigation de bureau */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-charcoal);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s ease;
  min-height: 44px;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-ocher);
  background-color: rgba(200, 125, 85, 0.08);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(28, 26, 23, 0.12);
  min-width: 220px;
  display: none;
  flex-direction: column;
  padding: 8px 0;
  list-style: none;
  z-index: 10010;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  display: flex;
}

.dropdown-link {
  padding: 10px 18px;
  color: var(--color-charcoal);
  text-decoration: none;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.dropdown-link:hover {
  background-color: rgba(200, 125, 85, 0.1);
  color: var(--color-ocher-dark);
}

.dropdown-link span.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-charcoal-muted);
}

.nav-cta-btn {
  background-color: var(--color-ocher);
  color: #FFFFFF !important;
  padding: 10px 20px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ocher);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

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

/* Bouton Hamburger Mobile */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-charcoal);
  transition: all 0.3s ease;
}

/* Menu Mobile Déroulant */
.mobile-nav-panel {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 2px solid var(--color-ocher);
  padding: 20px;
  box-shadow: 0 10px 25px rgba(28, 26, 23, 0.15);
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  text-decoration: none;
  color: var(--color-charcoal);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  min-height: 44px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-sub-list {
  list-style: none;
  padding-left: 16px;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-sub-link {
  display: block;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--color-charcoal-muted);
  font-size: 0.85rem;
  min-height: 44px;
  line-height: 28px;
}

/* ==========================================================================
   TYPOGRAPHIE & HIÉRARCHIE
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-charcoal);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: 2.3rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

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

.lead-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-charcoal);
  font-weight: 400;
}

.text-mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   CONTENEURS & DISPOSITIONS
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing {
  padding: 56px 0;
}

.section-spacing-sm {
  padding: 32px 0;
}

/* Bannière de page standard */
.page-header-banner {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-alabaster) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 36px 0;
  margin-bottom: 40px;
}

.page-header-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meta-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ocher);
  letter-spacing: 0.5px;
}

/* Grille Asymétrique : 1fr 3fr */
.asym-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 36px;
  align-items: start;
}

.asym-sidebar {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(28, 26, 23, 0.04);
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-ocher-dark);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-log-item {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(217, 210, 201, 0.5);
}

.sidebar-log-label {
  color: var(--color-charcoal-muted);
  font-size: 0.75rem;
  display: block;
}

.sidebar-log-value {
  color: var(--color-charcoal);
  font-weight: 600;
  margin-top: 2px;
}

.asym-content {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 40px;
  box-shadow: 0 2px 8px rgba(28, 26, 23, 0.04);
}

/* Cartes & Éléments de contenu */
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.content-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(28, 26, 23, 0.08);
}

.card-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: 24px;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ocher);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

/* Chiffres d'impact (Impact Numbers Grid) */
.impact-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.impact-stat-box {
  background: var(--color-charcoal);
  color: var(--color-alabaster);
  border: 1px solid var(--color-charcoal-light);
  border-radius: 6px;
  padding: 24px 20px;
  text-align: center;
}

.impact-stat-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-ocher-light);
  line-height: 1;
  margin-bottom: 8px;
}

.impact-stat-label {
  font-size: 0.85rem;
  color: #D9D2C9;
  line-height: 1.4;
}

/* ==========================================================================
   HERO BANNER & SLIDER (index.php)
   ========================================================================== */
.hero-wrapper {
  position: relative;
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  border-bottom: 3px solid var(--color-ocher);
  overflow: hidden;
}

.hero-slide {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
}

.hero-background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: brightness(0.85) contrast(1.1);
}

.hero-overlay {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 60px 0;
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 125, 85, 0.9);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
  margin-bottom: 18px;
}

.hero-title {
  font-size: 2.6rem;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.18;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-summary-2sentences {
  background: rgba(28, 26, 23, 0.85);
  border-left: 4px solid var(--color-ocher);
  padding: 16px 20px;
  margin: 20px 0 28px 0;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-alabaster);
  border-radius: 0 4px 4px 0;
}

.hero-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   BOUTONS NON-COMMERCIAUX (ACTION BUTTONS)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  border: 1px solid transparent;
}

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

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

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

.btn-secondary:hover {
  background-color: rgba(28, 26, 23, 0.05);
  border-color: var(--color-charcoal);
}

.btn-light {
  background-color: #FFFFFF;
  color: var(--color-charcoal);
  border-color: #FFFFFF;
}

.btn-light:hover {
  background-color: var(--color-alabaster);
  color: var(--color-ocher-dark);
}

/* ==========================================================================
   ENCADRÉS DÉCLARATIFS & NON-PROFIT COMPLIANCE
   ========================================================================== */
.declaration-callout {
  background-color: rgba(200, 125, 85, 0.08);
  border: 1px solid var(--color-ocher);
  border-left: 5px solid var(--color-ocher);
  padding: 24px;
  border-radius: 4px;
  margin: 32px 0;
}

.declaration-callout h4 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--color-ocher-dark);
  margin-bottom: 8px;
}

.declaration-callout p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--color-charcoal);
}

/* ==========================================================================
   TABLEAUX COMPTABLES & GRILLES DE DONNÉES
   ========================================================================== */
.data-table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #FFFFFF;
}

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

.data-table th {
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
  text-align: left;
  padding: 14px 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-charcoal-light);
}

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

.data-table tr:hover {
  background-color: rgba(200, 125, 85, 0.06);
}

.data-table tfoot td {
  font-weight: 700;
  color: var(--color-charcoal);
  border-top: 2px solid var(--color-border-dark);
}

/* ==========================================================================
   FORMULAIRES ADMINISTRATIFS & INTAKE
   ========================================================================== */
.institutional-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 32px;
}

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

.form-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-charcoal);
  letter-spacing: 0.5px;
}

.form-input, .form-textarea, .form-select {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-alabaster);
  color: var(--color-charcoal);
  min-height: 44px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-ocher);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(200, 125, 85, 0.15);
}

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

.form-help {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-charcoal-muted);
}

/* ==========================================================================
   PIED DE PAGE OFFICIEL (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-alabaster);
  border-top: 4px solid var(--color-ocher);
  padding: 60px 0 24px 0;
  margin-top: 60px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-ocher-light);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(217, 210, 201, 0.2);
}

.footer-desc {
  font-size: 0.9rem;
  color: #D9D2C9;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  color: #D9D2C9;
  text-decoration: none;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  transition: color 0.15s ease;
}

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

.footer-contact-info {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #D9D2C9;
  line-height: 1.8;
}

.footer-contact-info a {
  color: var(--color-ocher-light);
  text-decoration: none;
}

.footer-contact-info a:hover {
  text-decoration: underline;
}

.footer-mandatory-statement {
  background-color: #12100E;
  border-left: 3px solid var(--color-ocher);
  padding: 18px 24px;
  font-size: 0.85rem;
  line-height: 1.65;
  color: #E6E1DA;
  border-radius: 0 4px 4px 0;
  margin-bottom: 28px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(217, 210, 201, 0.15);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-charcoal-muted);
}

.footer-bottom-bar a {
  color: var(--color-ocher-light);
  text-decoration: none;
  margin-left: 16px;
}

.footer-bottom-bar a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   ADAPTATION RESPONSIVE (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 992px) {
  /* Masquer le ruban de progression sur tablette/mobile */
  #reading-progress-track {
    display: none !important;
  }

  body {
    padding-top: 110px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

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

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

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

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

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .utility-bar {
    height: auto;
    padding: 6px 0;
  }

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

  .utility-meta {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 11px;
  }

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

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

  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-title {
    font-size: 1.85rem;
  }

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