/* ==========================================================================
   AMSO34 - Association Montpellier Sports Orientation (Loi 1901)
   Architecture Visuelle Néo-Brutaliste & Éditoriale Institutionnelle 2026
   ========================================================================== */

:root {
  --bg-cream: #F5F5F0;
  --bg-white: #FFFFFF;
  --text-slate: #1E293B;
  --text-muted: #475569;
  --border-slate: #1E293B;
  --accent-terracotta: #C2410C;
  --accent-ochre: #4D7C0F;
  --accent-sand: #E7E5E4;
  --utility-dark: #0F172A;
  --utility-text: #E2E8F0;
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Courier New", Courier, monospace;
  
  --shadow-neo: 4px 4px 0px #1E293B;
  --shadow-neo-sm: 2px 2px 0px #1E293B;
  --shadow-neo-lg: 6px 6px 0px #1E293B;
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::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(--text-slate);
  font-family: var(--font-main);
  line-height: 1.65;
  padding-top: 130px; /* Clearance for fixed header */
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Typographie Fluide & Structure
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-slate);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(2.1rem, 4vw + 1rem, 3.5rem);
}

h2 {
  font-size: clamp(1.7rem, 2.5vw + 0.8rem, 2.4rem);
}

h3 {
  font-size: clamp(1.3rem, 1.8vw + 0.5rem, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--text-slate);
}

p.lead {
  font-size: 1.2rem;
  font-weight: 500;
  color: #334155;
  line-height: 1.7;
}

a {
  color: var(--accent-terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--text-slate);
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Layout & Containers
   ========================================================================== */

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

.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  border-bottom: 1px solid var(--border-slate);
}

.section-alt {
  background-color: var(--bg-white);
}

.section-header {
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--border-slate);
  padding-bottom: 1.25rem;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-terracotta);
  margin-bottom: 0.5rem;
  font-weight: 700;
  display: inline-block;
}

/* ==========================================================================
   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(--border-slate);
}

.utility-strip {
  background-color: var(--utility-dark);
  color: var(--utility-text);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.45rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #334155;
}

.utility-strip a {
  color: #93C5FD;
  text-decoration: none;
  border-bottom: 1px dotted #93C5FD;
}

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

.utility-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.utility-badge {
  background-color: var(--accent-ochre);
  color: #FFFFFF;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 0;
}

.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
  background-color: var(--bg-white);
  max-width: 1240px;
  margin: 0 auto;
}

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

.brand-title {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-slate);
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-terracotta);
  letter-spacing: 0.05em;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--text-slate);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.5rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover, .nav-link.active {
  background-color: var(--bg-cream);
  border-color: var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  transform: translate(-1px, -1px);
}

.nav-btn {
  background-color: var(--accent-terracotta);
  color: #FFFFFF !important;
  border: 1px solid var(--border-slate);
  box-shadow: 3px 3px 0px var(--border-slate);
  font-weight: 800;
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: var(--transition-fast);
  display: inline-block;
  white-space: nowrap;
}

.nav-btn:hover {
  background-color: #9A3412;
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--border-slate);
}

/* ==========================================================================
   Mega Menu Protocol ("NOS ACTIONS")
   ========================================================================== */

.mega-trigger {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: -200px;
  width: 780px;
  background-color: var(--bg-white);
  border: 2px solid var(--border-slate);
  box-shadow: var(--shadow-neo-lg);
  padding: 1.75rem;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  z-index: 10001;
  margin-top: 0.5rem;
}

.mega-trigger:hover .mega-menu,
.mega-trigger:focus-within .mega-menu {
  display: grid;
}

.mega-column {
  border-right: 1px solid var(--accent-sand);
  padding-right: 1.25rem;
}

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

.mega-col-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-slate);
}

.mega-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-item {
  margin-bottom: 0.65rem;
}

.mega-link {
  display: block;
  text-decoration: none;
  color: var(--text-slate);
  padding: 0.4rem 0.5rem;
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.mega-link span.meta-desc {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.mega-link:hover {
  background-color: var(--bg-cream);
  border: 1px solid var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  transform: translate(-2px, -2px);
}

.mobile-menu-toggle {
  display: none;
  background: var(--bg-cream);
  border: 2px solid var(--border-slate);
  box-shadow: 2px 2px 0px var(--border-slate);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  text-transform: uppercase;
}

/* ==========================================================================
   Composants Néo-Brutalistes (Boutons, Cartes, Blocs)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid var(--border-slate);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
}

.btn-primary {
  background-color: var(--accent-terracotta);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-neo);
}

.btn-primary:hover {
  background-color: #9A3412;
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-neo-lg);
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--text-slate) !important;
  box-shadow: var(--shadow-neo);
}

.btn-secondary:hover {
  background-color: var(--bg-cream);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-neo-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-slate) !important;
  border: 2px solid var(--border-slate);
}

.btn-outline:hover {
  background-color: var(--text-slate);
  color: #FFFFFF !important;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.5rem;
}

.card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-slate);
  padding: 1.75rem;
  box-shadow: var(--shadow-neo);
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
}

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

.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--border-slate);
  margin-bottom: 1.25rem;
  display: block;
}

.card-highlight {
  background-color: #FFFBEB;
  border-top: 6px solid var(--accent-terracotta);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-slate);
  background-color: var(--bg-cream);
  color: var(--text-slate);
  white-space: nowrap;
  margin-bottom: 0.75rem;
}

.badge-ochre {
  background-color: #ECFDF5;
  color: var(--accent-ochre);
}

.badge-terracotta {
  background-color: #FFF7ED;
  color: var(--accent-terracotta);
}

/* 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;
}

.asymmetric-hero {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-visual {
  position: relative;
}

.hero-img-main {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 2px solid var(--border-slate);
  box-shadow: 8px 8px 0px var(--border-slate);
  display: block;
}

.hero-stat-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-white);
  border: 2px solid var(--border-slate);
  box-shadow: 4px 4px 0px var(--border-slate);
  padding: 1rem 1.25rem;
  max-width: 240px;
}

/* ==========================================================================
   Blocs d'Utilité Publique & Clauses Loi 1901
   ========================================================================== */

.non-profit-banner {
  background-color: #FEF3C7;
  border: 1px solid var(--border-slate);
  padding: 1.25rem 1.75rem;
  box-shadow: var(--shadow-neo-sm);
  margin-bottom: 2.5rem;
}

.non-profit-banner strong {
  color: #92400E;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.25rem;
}

.reinvestment-clause {
  background-color: #F0FDF4;
  border: 1px solid var(--border-slate);
  border-left: 6px solid var(--accent-ochre);
  padding: 1.25rem 1.75rem;
  margin-top: 1.75rem;
  margin-bottom: 1.75rem;
  font-size: 1rem;
}

.reinvestment-clause strong {
  color: var(--accent-ochre);
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

/* Matrice Statistique */
.stat-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-terracotta);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Chronologie & Tableaux */
.timeline {
  position: relative;
  border-left: 3px solid var(--border-slate);
  margin-left: 1.5rem;
  padding-left: 2rem;
  margin-top: 2rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2.65rem;
  top: 0.2rem;
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--accent-terracotta);
  border: 2px solid var(--border-slate);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent-terracotta);
  margin-bottom: 0.35rem;
}

.neo-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border: 2px solid var(--border-slate);
  box-shadow: var(--shadow-neo);
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

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

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

.neo-table tr:nth-child(even) {
  background-color: var(--bg-cream);
}

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

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 0.45rem;
  color: var(--text-slate);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 1px solid var(--border-slate);
  background-color: #FFFFFF;
  box-shadow: 2px 2px 0px var(--border-slate);
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-terracotta);
  box-shadow: 4px 4px 0px var(--accent-terracotta);
}

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

/* ==========================================================================
   Footer Néo-Brutaliste Institutionnel
   ========================================================================== */

.site-footer {
  background-color: var(--bg-white);
  border-top: 2px solid var(--border-slate);
  padding-top: 4rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-terracotta);
  font-weight: 800;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-slate);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: var(--text-slate);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent-terracotta);
  transform: translateX(3px);
  text-decoration: underline;
}

.footer-legal-baseline {
  border-top: 2px solid var(--border-slate);
  background-color: var(--utility-dark);
  color: var(--utility-text);
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
}

.legal-notice-box {
  margin-bottom: 1.25rem;
  line-height: 1.6;
  color: #CBD5E1;
}

.legal-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid #334155;
  padding-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.legal-bottom-bar a {
  color: #93C5FD;
  text-decoration: none;
}

.legal-bottom-bar a:hover {
  text-decoration: underline;
  color: #FFFFFF;
}

/* ==========================================================================
   Media Queries & Responsivité Mobile (Sections 5 & 6)
   ========================================================================== */

@media (max-width: 992px) {
  body {
    padding-top: 140px;
  }

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

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

  .asymmetric-hero {
    grid-template-columns: 1fr;
  }

  .mega-menu {
    width: 650px;
    left: -150px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 120px;
  }

  /* Mobile Reset selon les directives de la Section 5 */
  .card, .stat-card, .btn, .hero-stat-badge, .nav-btn, .hero-img-main {
    transform: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    box-shadow: 2px 2px 0px var(--border-slate) !important;
  }

  .grid-2, .grid-3, .grid-4, .stat-matrix, .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .utility-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
  }

  .utility-meta {
    gap: 0.5rem;
  }

  .main-nav-bar {
    padding: 0.75rem 1rem;
  }

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

  .nav-links {
    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;
    gap: 0.75rem;
    box-shadow: var(--shadow-neo-lg);
  }

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

  .nav-link {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }

  .mega-menu {
    position: static;
    display: none;
    width: 100%;
    grid-template-columns: 1fr;
    box-shadow: none;
    border: 1px solid var(--border-slate);
    margin-top: 0.5rem;
    padding: 1rem;
  }

  .mega-trigger:hover .mega-menu,
  .mega-trigger.active .mega-menu {
    display: block;
  }

  .mega-column {
    border-right: none;
    border-bottom: 1px solid var(--accent-sand);
    padding-right: 0;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }

  .mega-column:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .hero-stat-badge {
    position: static;
    margin-top: 1rem !important;
    max-width: 100%;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .legal-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}