/* ==========================================================================
   ASSOCIATION DES COMMUNES FORESTIERES DE L'HERAULT - STYLE OFFICIEL 2026
   Architecture Graphique : Néo-Brutaliste Éditorial Hybride (Loi 1901)
   Palette : Blanc Pur (#FFFFFF), Crème Éditorial (#F5F5F0), Ardoise (#1E293B),
             Terre Cuite (#C2410C), Ocre Forestier (#4D7C0F)
   ========================================================================== */

:root {
  --bg-cream: #F5F5F0;
  --bg-white: #FFFFFF;
  --text-slate: #1E293B;
  --text-muted: #475569;
  --border-slate: #1E293B;
  --border-width: 1px;
  --accent-terracotta: #C2410C;
  --accent-ochre: #4D7C0F;
  --accent-light-ochre: #ECFDF5;
  --accent-light-terra: #FFF7ED;
  --shadow-block: 4px 4px 0px #1E293B;
  --shadow-block-lg: 6px 6px 0px #1E293B;
  --shadow-block-sm: 2px 2px 0px #1E293B;
  --font-serif: "Georgia", "Baskerville", "Palatino", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-cream);
  color: var(--text-slate);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-cream);
  color: var(--text-slate);
  line-height: 1.65;
  font-size: 1.05rem;
  padding-top: 130px; /* dégagement header persistant */
  -webkit-font-smoothing: antialiased;
}

/* Typographie de base & Hiérarchie */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-slate);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-slate);
  max-width: 75ch;
}

p.lead {
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.6;
  color: #0F172A;
}

a {
  color: var(--text-slate);
  text-decoration: none;
  transition: all 0.15s ease-in-out;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--bg-white);
  border-bottom: var(--border-width) solid var(--border-slate);
}

.top-utility-strip {
  background-color: var(--text-slate);
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 1.5rem;
  border-bottom: 1px solid #334155;
}

.top-utility-inner {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.top-utility-links a {
  color: #E2E8F0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.top-utility-links a:hover {
  color: #FEF08A;
}

.nav-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-block {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-badge {
  background-color: var(--accent-ochre);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-slate);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: none;
}

/* Nav Menu */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-slate);
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.8;
}

.nav-link:hover,
.nav-link:focus,
.nav-item.active .nav-link {
  background-color: var(--bg-cream);
  border-color: var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
}

/* Mega Menu Dropdown */
.mega-menu-trigger:hover .mega-menu-panel,
.mega-menu-trigger:focus-within .mega-menu-panel {
  display: grid;
}

.mega-menu-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: -150px;
  width: 780px;
  background-color: var(--bg-white);
  border: var(--border-width) solid var(--border-slate);
  box-shadow: var(--shadow-block-lg);
  grid-template-columns: repeat(3, 1fr);
  padding: 1.5rem;
  gap: 1.5rem;
  z-index: 10001;
  text-align: left;
}

.mega-menu-col {
  border-right: 1px solid #E2E8F0;
  padding-right: 1rem;
}
.mega-menu-col:last-child {
  border-right: none;
  padding-right: 0;
}

.mega-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--accent-terracotta);
}

.mega-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mega-col-links a {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-slate);
  padding: 0.35rem 0.5rem;
  border: 1px solid transparent;
}
.mega-col-links a:hover {
  background-color: var(--bg-cream);
  border-color: var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
}

.mega-col-links a small {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Action Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem; /* 2x horizontal padding rule */
  min-height: 44px;
  min-width: 44px;
  border: var(--border-width) solid var(--border-slate);
  box-shadow: var(--shadow-block);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  background-color: var(--bg-white);
  color: var(--text-slate);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-block-lg);
}

.btn:active {
  transform: translate(0px, 0px);
  box-shadow: var(--shadow-block-sm);
}

.btn-primary {
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: #9A3412;
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--accent-ochre);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: #365314;
  color: #FFFFFF;
}

.btn-outline {
  background-color: var(--bg-white);
  color: var(--text-slate);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
}

/* ==========================================================================
   LAYOUT STRUCTURE & SECTIONS
   ========================================================================== */
.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-spacing {
  padding: 4.5rem 0;
}

.section-spacing-sm {
  padding: 2.5rem 0;
}

.border-top-slate {
  border-top: var(--border-width) solid var(--border-slate);
}
.border-bottom-slate {
  border-bottom: var(--border-width) solid var(--border-slate);
}

/* Header de Section Éditorial */
.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--bg-white);
  border: 1px solid var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
  color: var(--accent-terracotta);
}

.section-header-block {
  margin-bottom: 2.5rem;
}

.section-header-block .description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 75ch;
}

/* Grids & Cards Néo-Brutalistes */
.editorial-card {
  background-color: var(--bg-white);
  border: var(--border-width) solid var(--border-slate);
  box-shadow: var(--shadow-block);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.editorial-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-block-lg);
}

.editorial-card-header {
  margin-bottom: 1.25rem;
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 0.75rem;
}

.card-meta-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.card-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--border-slate);
  margin-bottom: 1.25rem;
  background-color: #E2E8F0;
}

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

/* Bannière de Page */
.page-hero-banner {
  background-color: var(--bg-white);
  border-bottom: var(--border-width) solid var(--border-slate);
  padding: 3.5rem 0;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.page-hero-visual {
  border: var(--border-width) solid var(--border-slate);
  box-shadow: var(--shadow-block-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

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

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

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Matrices de données statistiques */
.stat-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.stat-box {
  background-color: var(--bg-white);
  border: 1px solid var(--border-slate);
  box-shadow: var(--shadow-block);
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-terracotta);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-slate);
  text-transform: uppercase;
}

.stat-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Avis réglementaire & Déclaration non-commerciale Loi 1901 */
.compliance-banner {
  background-color: #FEF3C7;
  border: 1px solid var(--border-slate);
  box-shadow: var(--shadow-block-sm);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.compliance-banner strong {
  color: #92400E;
}

/* Tableaux Officiels */
.official-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-slate);
  box-shadow: var(--shadow-block);
  background-color: var(--bg-white);
  margin: 2rem 0;
}

.official-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.official-table th {
  background-color: var(--text-slate);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--border-slate);
}

.official-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #E2E8F0;
  color: var(--text-slate);
}

.official-table tr:nth-child(even) {
  background-color: #FAFAFA;
}

.official-table tr:hover {
  background-color: #F1F5F9;
}

/* Formulaire Contact & Bénévolat */
.form-panel {
  background-color: var(--bg-white);
  border: 1px solid var(--border-slate);
  box-shadow: var(--shadow-block-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--text-slate);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-slate);
  background-color: #FAFAFA;
  border: 1px solid var(--border-slate);
  box-shadow: 2px 2px 0px rgba(30, 41, 59, 0.1);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-terracotta);
  box-shadow: 3px 3px 0px var(--accent-terracotta);
}

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

/* Timeline Historique */
.timeline-list {
  position: relative;
  list-style: none;
  padding-left: 2.5rem;
  border-left: 3px solid var(--border-slate);
  margin: 2rem 0;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -3rem;
  top: 0.1rem;
  width: 18px;
  height: 18px;
  background-color: var(--accent-terracotta);
  border: 2px solid var(--border-slate);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-terracotta);
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   MEGA FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-white);
  border-top: var(--border-width) solid var(--border-slate);
  margin-top: 5rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding: 4.5rem 0 3.5rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-terracotta);
  margin-bottom: 1.25rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent-terracotta);
  display: inline-block;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--text-slate);
  display: inline-block;
  padding: 0.15rem 0;
}
.footer-links a:hover {
  color: var(--accent-terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-contact-item {
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-contact-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-legal-baseline {
  background-color: #0F172A;
  color: #94A3B8;
  font-size: 0.85rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--border-slate);
}

.footer-legal-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: center;
}

.footer-legal-notice {
  line-height: 1.6;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #F1F5F9;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.footer-legal-links a:hover {
  color: #FEF08A;
}

/* ==========================================================================
   RESPONSIVITÉ ET MEDIA QUERIES
   ========================================================================== */
@media (max-width: 992px) {
  .page-hero-grid,
  .grid-3,
  .grid-4,
  .stat-matrix-grid,
  .footer-top-grid,
  .footer-legal-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
  }
  
  .mega-menu-panel {
    width: 650px;
    left: -100px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 115px;
  }

  /* Reset Néo-Brutaliste Mobile pour stabilité et lisibilité */
  .editorial-card:hover,
  .btn:hover {
    transform: none !important;
    margin: 0 !important;
    box-shadow: 2px 2px 0px var(--border-slate) !important;
  }

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

  .nav-links-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    border-bottom: 2px solid var(--border-slate);
    flex-direction: column;
    padding: 1.25rem;
    box-shadow: var(--shadow-block-lg);
    gap: 0.5rem;
  }

  .nav-links-list.is-open {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    display: block;
    padding: 0.75rem 1rem;
    border: 1px solid #CBD5E1;
  }

  .mega-menu-panel {
    position: static;
    width: 100%;
    display: none !important;
    box-shadow: none;
    border: 1px solid #CBD5E1;
    padding: 1rem;
    grid-template-columns: 1fr;
  }

  .mega-menu-trigger.is-active .mega-menu-panel {
    display: grid !important;
  }

  .mega-menu-col {
    border-right: none;
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 1rem;
    padding-right: 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .page-hero-grid,
  .stat-matrix-grid,
  .footer-top-grid,
  .footer-legal-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-legal-links {
    justify-content: flex-start;
  }
}