/* ==========================================================================
   ATR AIN-TEAM-RACING (Association Loi 1901) - Système de Style Éditorial Néo-Brutaliste
   Charte graphique réglementaire 2026
   Palette: Blanc Pur (#FFFFFF), Crème Éditoriale (#F5F5F0), Ardoise Anthracite (#1E293B),
            Terracotta (#C2410C), Ocre Forêt (#4D7C0F).
   ========================================================================== */

:root {
  --bg-cream: #F5F5F0;
  --bg-white: #FFFFFF;
  --color-slate: #1E293B;
  --color-slate-muted: #475569;
  --color-slate-light: #64748B;
  --color-terracotta: #C2410C;
  --color-terracotta-hover: #9A3412;
  --color-ochre: #4D7C0F;
  --color-border: #1E293B;
  --color-border-light: #CBD5E1;
  --shadow-hard: 4px 4px 0px #1E293B;
  --shadow-hard-hover: 6px 6px 0px #1E293B;
  --shadow-hard-sm: 2px 2px 0px #1E293B;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Courier New", Courier, monospace;
}

/* Box sizing and reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-cream);
  color: var(--color-slate);
  font-family: var(--font-sans);
  line-height: 1.65;
  font-size: 1rem;
  padding-top: 130px; /* Layout clearance for persistent utility bar + sticky header */
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-slate);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--color-terracotta);
}

/* --------------------------------------------------------------------------
   TYPOGRAPHIE FLUIDE & HIÉRARCHIE
-------------------------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-slate);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

p {
  font-size: 1.05rem;
  color: var(--color-slate-muted);
  margin-bottom: 1.25rem;
  max-width: 75ch;
}

.lead {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  color: var(--color-slate);
  line-height: 1.6;
  font-weight: 500;
  margin-bottom: 1.75rem;
}

.mono-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-white);
  border: 1px solid var(--color-border);
  display: inline-block;
  color: var(--color-slate);
  box-shadow: var(--shadow-hard-sm);
  margin-bottom: 0.75rem;
}

.mono-badge.accent {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border-color: var(--color-slate);
}

.mono-badge.success {
  background-color: var(--color-ochre);
  color: #FFFFFF;
  border-color: var(--color-slate);
}

/* --------------------------------------------------------------------------
   STRUCTURE DE CONTENEUR
-------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-spacing {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-header {
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   COMPOSANT HEADER & NAVIGATION
-------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--bg-white);
  border-bottom: 2px solid var(--color-border);
}

/* Bandeau utilitaire institutionnel */
.utility-strip {
  background-color: var(--color-slate);
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 1.5rem;
  border-bottom: 1px solid #334155;
}

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

.utility-strip a {
  color: #F8FAFC;
  text-decoration: underline;
}

.utility-strip a:hover {
  color: #FDBA74;
}

/* Barre de navigation principale */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}

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

.brand-logo .logo-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-slate);
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-logo .logo-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-terracotta);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-slate);
  padding: 0.5rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  background-color: var(--bg-cream);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hard-sm);
}

/* Méga Menu Déroulant */
.mega-dropdown-parent {
  position: relative;
}

.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -150px;
  width: 780px;
  background-color: var(--bg-white);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-hard);
  padding: 1.75rem;
  z-index: 10010;
}

.mega-dropdown-parent:hover .mega-menu,
.mega-dropdown-parent:focus-within .mega-menu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mega-col {
  border-right: 1px solid var(--color-border-light);
  padding-right: 1.25rem;
}

.mega-col:last-child {
  border-right: none;
  padding-right: 0;
}

.mega-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--color-border);
}

.mega-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.mega-list a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-slate);
  display: block;
  padding: 0.35rem 0.5rem;
  border: 1px solid transparent;
}

.mega-list a:hover {
  background-color: var(--bg-cream);
  border: 1px solid var(--color-border);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-sm);
}

/* Bouton Contact Principal */
.btn-nav-contact {
  background-color: var(--color-terracotta);
  color: #FFFFFF !important;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hard-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.btn-nav-contact:hover {
  background-color: var(--color-terracotta-hover);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: var(--bg-cream);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  box-shadow: var(--shadow-hard-sm);
}

/* --------------------------------------------------------------------------
   COMPOSANTS NÉO-BRUTALISTES (CARTES, BOUTONS, BLOCS)
-------------------------------------------------------------------------- */

.neo-card {
  background-color: var(--bg-white);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.neo-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hard-hover);
}

.neo-card-flat {
  background-color: var(--bg-white);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
}

.neo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-slate);
  color: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hard);
  min-height: 44px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.neo-btn:hover {
  color: #FFFFFF;
  background-color: var(--color-slate);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard-hover);
}

.neo-btn.accent {
  background-color: var(--color-terracotta);
}

.neo-btn.accent:hover {
  background-color: var(--color-terracotta-hover);
}

.neo-btn.secondary {
  background-color: var(--bg-white);
  color: var(--color-slate);
}

.neo-btn.secondary:hover {
  background-color: var(--bg-cream);
  color: var(--color-slate);
}

/* Callout statutaire & réinvestissement */
.reinvestment-banner {
  background-color: #FEF3C7;
  border: 2px solid var(--color-border);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-hard);
  margin: 2.5rem 0;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.reinvestment-banner p {
  color: #78350F;
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* Matrice statistique régionale */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.stat-box {
  background-color: var(--bg-white);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  box-shadow: var(--shadow-hard);
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 900;
  color: var(--color-terracotta);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-slate-muted);
  font-weight: 700;
}

/* Grilles flexibles */
.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;
}

/* Cadre d'image néo-brutaliste */
.img-frame {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hard);
  background-color: var(--bg-white);
  padding: 0.5rem;
  margin-bottom: 1.5rem;
}

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

/* Bannière d'en-tête de page */
.page-hero {
  background-color: var(--bg-white);
  border-bottom: 2px solid var(--color-border);
  padding: 3.5rem 0;
  margin-bottom: 3.5rem;
}

/* Tableaux financiers et gouvernance */
.neo-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hard);
  margin: 2rem 0;
}

.neo-table th, .neo-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.neo-table th {
  background-color: var(--color-slate);
  color: #FFFFFF;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.neo-table tr:nth-child(even) {
  background-color: #F8FAFC;
}

/* Formulaires */
.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(--color-slate);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--bg-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-slate);
  box-shadow: var(--shadow-hard-sm);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-hard);
}

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

/* --------------------------------------------------------------------------
   FOOTER INSTITUTIONNEL & MENTIONS LÉGALES
-------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--color-slate);
  color: #CBD5E1;
  border-top: 3px solid var(--color-border);
  margin-top: 5rem;
  padding-top: 4.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #FFFFFF;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #475569;
}

.footer-desc {
  font-size: 0.95rem;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #CBD5E1;
  font-size: 0.9rem;
  display: inline-block;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: #FDBA74;
  transform: translateX(4px);
}

.footer-contact-info p {
  font-size: 0.9rem;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.footer-contact-info strong {
  color: #FFFFFF;
}

.footer-contact-info a {
  color: #FDBA74;
  text-decoration: underline;
}

/* Bandeau réglementaire de confiance légale */
.footer-baseline {
  background-color: #0F172A;
  border-top: 1px solid #334155;
  padding: 2rem 0;
  font-size: 0.82rem;
  color: #94A3B8;
}

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

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

.baseline-legal-links a {
  color: #E2E8F0;
  text-decoration: underline;
}

.baseline-legal-links a:hover {
  color: #FDBA74;
}

/* --------------------------------------------------------------------------
   RESPONSIVITÉ & POINTS D'ARRÊT
-------------------------------------------------------------------------- */

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  /* Menu mobile actif */
  .nav-links.mobile-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    border-bottom: 2px solid var(--color-border);
    padding: 1.5rem;
    box-shadow: var(--shadow-hard);
    gap: 0.75rem;
  }

  .nav-links.mobile-active .mega-menu {
    display: none !important;
  }

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

  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .baseline-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .baseline-legal-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 110px;
  }

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

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  /* Mobile reset : neutraliser décalages et forcer ombres nettes simples */
  .neo-card, .neo-btn, .stat-box, .img-frame, .reinvestment-banner {
    transform: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    box-shadow: 2px 2px 0px #1E293B !important;
  }

  .neo-card:hover, .neo-btn:hover {
    transform: none !important;
    box-shadow: 2px 2px 0px #1E293B !important;
  }
}