/* ==========================================================================
   ASSOCIATION DES AMIS DE LA BIBLIOTHEQUE - STYLE.CSS
   Architecture Visuelle Néo-Brutaliste Éditoriale & Cadre Réglementaire 2026
   Palette: Crème Éditorial (#F5F5F0), Ardoise Sombre (#1E293B), Blanc Pur (#FFFFFF),
            Terre Cuite Profonde (#C2410C), Ocre Forêt (#4D7C0F)
   ========================================================================== */

:root {
  --color-bg: #F5F5F0;
  --color-surface: #FFFFFF;
  --color-text: #1E293B;
  --color-text-muted: #475569;
  --color-border: #1E293B;
  --color-terracotta: #C2410C;
  --color-forest: #4D7C0F;
  --color-subtle-bg: #EAEAE2;
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --border-thick: 2px solid #1E293B;
  --border-thin: 1px solid #1E293B;
  --shadow-brutal: 4px 4px 0px #1E293B;
  --shadow-brutal-lg: 6px 6px 0px #1E293B;
  --shadow-brutal-sm: 2px 2px 0px #1E293B;
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.65;
  padding-top: 130px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Fluid Typography & Headers
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 1.8rem + 2vw, 3.4rem);
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.65rem, 1.35rem + 1.25vw, 2.4rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.65rem);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: clamp(1.1rem, 1rem + 0.3vw, 1.35rem);
  margin-bottom: 0.5rem;
}

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

p.lead {
  font-size: clamp(1.1rem, 1.05rem + 0.4vw, 1.3rem);
  line-height: 1.7;
  color: var(--color-text-muted);
  font-weight: 400;
}

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

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

.site-main {
  flex: 1 0 auto;
}

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

.section-padding-sm {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background-color: var(--color-surface);
  border-bottom: var(--border-thick);
}

/* Top Utility Monospace Strip */
.top-utility-strip {
  background-color: #1E293B;
  color: #F5F5F0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.45rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  letter-spacing: 0.02em;
}

.utility-items {
  display: flex;
  gap: 1.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.utility-item strong {
  color: #FFFFFF;
}

.utility-link {
  color: #F5F5F0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.utility-link:hover {
  color: var(--color-terracotta);
}

/* Main Navigation Bar */
.main-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
  max-width: 1300px;
  margin: 0 auto;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.brand-badge {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border: var(--border-thin);
  box-shadow: var(--shadow-brutal-sm);
  white-space: nowrap;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  display: block;
}

/* Nav Menu Items */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 0.6rem 0.95rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  border: 1px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--color-subtle-bg);
  border: var(--border-thin);
  box-shadow: var(--shadow-brutal-sm);
  transform: translate(-1px, -1px);
}

.nav-btn-contact {
  background-color: var(--color-text);
  color: #FFFFFF !important;
  border: var(--border-thin) !important;
  box-shadow: var(--shadow-brutal-sm);
  padding: 0.6rem 1.2rem;
  font-weight: 600;
}

.nav-btn-contact:hover {
  background-color: var(--color-terracotta) !important;
  color: #FFFFFF !important;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal);
}

/* Mega Menu Dropdown */
.mega-menu-trigger {
  position: relative;
}

.mega-menu-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: -120px;
  width: 780px;
  background-color: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-lg);
  padding: 1.75rem;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  z-index: 10001;
}

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

.mega-col-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 0.5rem;
  border-bottom: var(--border-thin);
  margin-bottom: 0.85rem;
}

.mega-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mega-link-item a {
  display: block;
  padding: 0.5rem 0.65rem;
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.35;
}

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

.mega-link-item a:hover {
  background-color: var(--color-bg);
  border: var(--border-thin);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal-sm);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal-sm);
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* ==========================================================================
   Neo-Brutalist Components & Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: var(--border-thick);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  box-shadow: var(--shadow-brutal);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  text-decoration: none;
}

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

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

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

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

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.btn-secondary:hover {
  background-color: var(--color-subtle-bg);
}

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

.btn-accent:hover {
  background-color: #9A3412;
  color: #FFFFFF;
}

.btn-forest {
  background-color: var(--color-forest);
  color: #FFFFFF;
}

.btn-forest:hover {
  background-color: #365314;
  color: #FFFFFF;
}

/* Card Neo-Brutalist Primitive */
.brutal-card {
  background-color: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  padding: 1.75rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  background-color: var(--color-bg);
  border: var(--border-thin);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-tag.tag-terracotta {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
}

.card-tag.tag-forest {
  background-color: var(--color-forest);
  color: #FFFFFF;
}

/* Badges & Notice Banners */
.notice-box {
  background-color: var(--color-surface);
  border: var(--border-thick);
  border-left: 8px solid var(--color-terracotta);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-brutal-sm);
  margin-bottom: 1.75rem;
}

.notice-box-forest {
  border-left-color: var(--color-forest);
}

/* Responsive Grids */
.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;
}

.grid-asymmetric-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

/* Image Wrappers */
.img-frame {
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  background-color: var(--color-surface);
  overflow: hidden;
  display: block;
}

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

/* Statistical Impact Matrix */
.stat-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  background-color: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 2rem + 1vw, 3rem);
  font-weight: 700;
  color: var(--color-terracotta);
  line-height: 1;
  margin-bottom: 0.5rem;
}

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

/* Timeline Components */
.timeline-list {
  position: relative;
  border-left: var(--border-thick);
  padding-left: 2rem;
  margin-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-item {
  position: relative;
}

.timeline-bullet {
  position: absolute;
  left: calc(-2rem - 9px);
  top: 0.25rem;
  width: 16px;
  height: 16px;
  background-color: var(--color-terracotta);
  border: var(--border-thick);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-terracotta);
  display: inline-block;
  margin-bottom: 0.4rem;
}

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

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

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: var(--border-thick);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-brutal-sm);
  outline: none;
  color: var(--color-text);
  min-height: 44px;
}

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

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

/* Table Architecture */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 2rem;
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  background-color: #FFFFFF;
}

.brutal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.brutal-table th, .brutal-table td {
  padding: 1rem 1.25rem;
  border-bottom: var(--border-thin);
  border-right: var(--border-thin);
}

.brutal-table th {
  background-color: var(--color-subtle-bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brutal-table tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   Mega Footer & Legal Transparency
   ========================================================================== */
.site-footer {
  background-color: var(--color-surface);
  border-top: var(--border-thick);
  margin-top: 5rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-top: 4rem;
  padding-bottom: 3.5rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
  padding-bottom: 0.4rem;
  border-bottom: var(--border-thin);
}

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

.footer-links a {
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 500;
}

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

.footer-contact-item {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer-contact-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-bottom-baseline {
  border-top: var(--border-thick);
  background-color: #1E293B;
  color: #F5F5F0;
  padding: 2.25rem 1.5rem;
}

.footer-baseline-content {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-legal-notice {
  font-size: 0.85rem;
  color: #CBD5E1;
  line-height: 1.6;
}

.footer-legal-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-legal-links a:hover {
  color: var(--color-terracotta);
}

/* ==========================================================================
   Mobile Responsiveness & Media Queries
   ========================================================================== */
@media (max-width: 992px) {
  body {
    padding-top: 140px;
  }

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

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

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

  .mega-menu-panel {
    width: 600px;
    left: -80px;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 130px;
  }

  /* Reset brutalist transforms on mobile to avoid horizontal scroll & glitch */
  .brutal-card:hover, .btn:hover, .stat-item:hover {
    transform: none !important;
    margin: 0 !important;
    box-shadow: 2px 2px 0px #1E293B !important;
  }

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

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

  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    border-bottom: var(--border-thick);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-brutal-lg);
    gap: 0.75rem;
  }

  .primary-nav.active {
    display: flex;
  }

  .primary-nav li {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    border: var(--border-thin);
    padding: 0.75rem 1rem;
  }

  .mega-menu-trigger .mega-menu-panel {
    position: static;
    display: flex;
    flex-direction: column;
    width: 100%;
    box-shadow: none;
    border: var(--border-thin);
    margin-top: 0.5rem;
    padding: 1rem;
  }

  .top-utility-strip {
    font-size: 0.7rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .utility-items {
    gap: 0.75rem;
  }

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

  .timeline-list {
    margin-left: 0.5rem;
    padding-left: 1.5rem;
  }

  .timeline-bullet {
    left: calc(-1.5rem - 8px);
  }
}