/* ==========================================================================
   ASSOCIATION SYNONYME SUCCES (LOI 1901) - SYSTÈME DE DESIGN OFFICIEL
   Régie technique, coordination scénique & logistique du spectacle vivant
   ========================================================================== */

/* Variables fondamentales & charte graphique */
:root {
  --color-charcoal: #1C1A17;
  --color-ocher: #C87D55;
  --color-ocher-hover: #B26B45;
  --color-ocher-light: rgba(200, 125, 85, 0.12);
  --color-ocher-border: rgba(200, 125, 85, 0.35);
  --color-bg-paper: #F9F6F0;
  --color-card-white: #FFFFFF;
  --color-border: #D9D2C9;
  --color-border-subtle: #E8E2D8;
  --color-muted-text: #665E55;
  --color-dark-surface: #24211D;
  --color-charcoal-subtle: #2F2B26;
  
  --font-serif: "Playfair Display", "Cinzel", "Georgia", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", Courier, monospace;

  --header-utility-height: 38px;
  --header-nav-height: 72px;
  --header-total-height: 110px;
  --container-max-width: 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-bg-paper);
  color: var(--color-charcoal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  background-color: var(--color-bg-paper);
  color: var(--color-charcoal);
  padding-top: var(--header-total-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Barre de progression de lecture */
#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);
  transition: height 0.05s ease-out;
}

/* Typographie structurelle */
h1, h2, h3, h4, .serif-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.6rem;
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 2px;
  background-color: var(--color-ocher);
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  max-width: 75ch;
  color: #2D2A26;
}

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

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

.mono-tag, .badge-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  background-color: var(--color-ocher-light);
  color: var(--color-ocher);
  border: 1px solid var(--color-ocher-border);
  border-radius: var(--radius-sm);
  display: inline-block;
  white-space: nowrap;
}

.mono-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-muted-text);
  letter-spacing: 0.02em;
}

/* En-tête officiel fixe à double niveau */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--color-card-white);
  box-shadow: 0 2px 12px rgba(28, 26, 23, 0.06);
}

/* Ligne 1 : Barre administrative d'utilité publique */
.utility-bar {
  background-color: var(--color-charcoal);
  color: var(--color-bg-paper);
  height: var(--header-utility-height);
  font-family: var(--font-mono);
  font-size: 12.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.utility-meta-group {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.utility-item strong {
  color: var(--color-ocher);
  font-weight: 600;
}

.utility-bar a {
  color: #E8E2D8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* Ligne 2 : Navigation Principale */
.main-navbar {
  height: var(--header-nav-height);
  background-color: var(--color-card-white);
  border-bottom: 1px solid var(--color-border);
}

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

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-charcoal);
  letter-spacing: 0.04em;
  line-height: 1.1;
  text-decoration: none;
}

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-charcoal);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  min-height: 44px;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-ocher);
  background-color: var(--color-bg-paper);
}

.nav-link svg {
  width: 12px;
  height: 12px;
  transition: transform 0.2s ease;
}

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

/* Menus déroulants institutionnels */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background-color: var(--color-card-white);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 24px rgba(28, 26, 23, 0.1);
  border-radius: var(--radius-sm);
  padding: 8px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.2s ease;
  z-index: 10010;
}

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

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--color-charcoal);
  font-weight: 500;
  transition: all 0.15s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.dropdown-link:hover {
  background-color: var(--color-bg-paper);
  color: var(--color-ocher);
  padding-left: 22px;
}

/* Bouton d'action d'en-tête */
.btn-nav-action {
  background-color: var(--color-charcoal);
  color: #FFFFFF !important;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-charcoal);
  transition: all 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

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

/* Bouton menu mobile (Hamburger) */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-charcoal);
}

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

.mobile-toggle span::before, .mobile-toggle span::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background-color: var(--color-charcoal);
  left: 0;
  transition: 0.2s;
}

.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { bottom: -6px; }

/* Menu mobile empilable */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: var(--header-total-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-total-height));
  background-color: var(--color-card-white);
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 24px;
  z-index: 9999;
}

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

.mobile-nav-group {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 14px;
}

.mobile-nav-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-ocher);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.mobile-nav-list {
  list-style: none;
}

.mobile-nav-item a {
  display: flex;
  align-items: center;
  padding: 10px 0;
  color: var(--color-charcoal);
  font-size: 1rem;
  font-weight: 600;
  min-height: 44px;
}

/* Conteneurs et mise en page globale */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.page-main {
  flex: 1 0 auto;
  padding-top: 40px;
  padding-bottom: 60px;
}

/* Grille asymétrique institutionnelle (1fr 3fr) */
.asymmetric-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 32px;
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.sidebar-logs {
  background-color: var(--color-card-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  height: fit-content;
}

.sidebar-logs h4 {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ocher);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

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

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

.sidebar-log-label {
  color: var(--color-muted-text);
  font-size: 0.78rem;
  display: block;
}

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

.main-content-stream {
  min-width: 0;
}

/* Cartes institutionnelles */
.content-card {
  background-color: var(--color-card-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: 0 1px 4px rgba(28, 26, 23, 0.03);
}

.content-card.highlight {
  border-left: 4px solid var(--color-ocher);
}

/* Section Héro avec Slider et Déclaration 100% Non-Profit */
.hero-section {
  position: relative;
  background-color: var(--color-dark-surface);
  color: #FFFFFF;
  padding: 60px 0;
  margin-bottom: 40px;
  overflow: hidden;
  border-bottom: 3px solid var(--color-ocher);
}

.hero-slider-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  margin-bottom: 30px;
}

.hero-slide {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

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

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 26, 23, 0.3) 0%, rgba(28, 26, 23, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 4vw, 48px);
}

.hero-slide-overlay h1 {
  color: #FFFFFF;
  max-width: 900px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Déclaration d'utilité publique obligatoire */
.non-profit-banner {
  background-color: var(--color-card-white);
  border: 2px solid var(--color-ocher);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-top: -20px;
  margin-bottom: 40px;
  position: relative;
  z-index: 10;
  box-shadow: 0 4px 16px rgba(28, 26, 23, 0.08);
}

.non-profit-banner .badge-mono {
  margin-bottom: 12px;
}

.non-profit-banner p {
  font-size: 1.08rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.non-profit-banner p:last-child {
  margin-bottom: 0;
}

/* Grilles de piliers et modules opérationnels */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

.pillar-card {
  background-color: var(--color-card-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-ocher);
}

.pillar-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.pillar-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pillar-body h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.pillar-body p {
  font-size: 0.94rem;
  color: var(--color-muted-text);
  margin-bottom: 18px;
  flex: 1;
}

/* Grille de métriques d'impact certifiées */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.metric-box {
  background-color: var(--color-card-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-ocher);
  padding: 24px;
  text-align: center;
  border-radius: var(--radius-sm);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.1;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-muted-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Boutons d'action non-commerciaux */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0;
}

.btn-action-primary {
  background-color: var(--color-ocher);
  color: #FFFFFF !important;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ocher);
  min-height: 48px;
  transition: all 0.2s ease;
}

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

.btn-action-secondary {
  background-color: transparent;
  color: var(--color-charcoal) !important;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-charcoal);
  min-height: 48px;
  transition: all 0.2s ease;
}

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

/* Tableaux de transparence comptable */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.accounting-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  text-align: left;
  background-color: var(--color-card-white);
}

.accounting-table th {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  padding: 14px 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--color-ocher);
}

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

.accounting-table tr:hover {
  background-color: var(--color-bg-paper);
}

.accounting-table tfoot td {
  font-weight: 700;
  background-color: #F1ECE3;
  border-top: 2px solid var(--color-border);
}

/* Formulaires de contact et d'engagement */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

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

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-charcoal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-ocher);
  box-shadow: 0 0 0 3px var(--color-ocher-light);
}

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

/* Ligne chronologique (Timeline) */
.timeline {
  position: relative;
  padding-left: 32px;
  margin: 32px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-color: var(--color-ocher);
}

.timeline-item {
  position: relative;
  margin-bottom: 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-card-white);
  border: 3px solid var(--color-ocher);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-ocher);
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

/* Pied de page institutionnel obligatoire */
.site-footer {
  background-color: var(--color-charcoal);
  color: #E8E2D8;
  padding-top: 60px;
  padding-bottom: 30px;
  margin-top: auto;
  border-top: 4px solid var(--color-ocher);
}

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

.footer-col h4 {
  font-family: var(--font-serif);
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-ocher);
}

.footer-col p {
  color: #BDB5AA;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #BDB5AA;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
}

.footer-links a:hover {
  color: var(--color-ocher);
  padding-left: 4px;
}

.footer-contact-info {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #BDB5AA;
}

.footer-contact-item {
  margin-bottom: 8px;
  display: flex;
  gap: 8px;
}

.footer-contact-item strong {
  color: var(--color-ocher);
}

.footer-contact-item a {
  color: #FFFFFF;
}

/* Paragraphe légal obligatoire prescrit par le protocole */
.footer-compliance-box {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  margin-top: 20px;
  text-align: center;
}

.footer-mandatory-string {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #A8A095;
  max-width: 1000px;
  margin: 0 auto;
}

/* Images responsives */
img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* Alertes & Notifications statutaires */
.alert-notice {
  background-color: #F4EDE2;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-ocher);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 0.92rem;
}

/* ==========================================================================
   RÈGLES RESPONSIVES (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 992px) {
  #reading-progress-container {
    display: none !important;
  }

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

  .nav-menu-desktop {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

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

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

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

  :root {
    --header-total-height: 130px;
  }

  body {
    padding-top: var(--header-total-height);
  }
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .btn-group {
    flex-direction: column;
  }

  .btn-action-primary, .btn-action-secondary {
    width: 100%;
  }

  .content-card {
    padding: 20px;
  }
}