/* ==========================================================================
   PORTAIL OFFICIEL AVIRON CATURIGE 780 - ASSOCIATION LOI 1901
   DESIGN SYSTEM : THE REVOLUTIONARY ARCHIVE
   Palette:
     Imperial Deep Slate: #0F172A
     Terracotta Rust:     #C2593F
     Warm Paper Parchment:#F8F5EE
     Pure Alabaster White:#FFFFFF
     Muted Sandstone:     #E2D9CC
     Deep Charcoal:       #1E293B
   ========================================================================== */

:root {
  --color-slate: #0F172A;
  --color-terracotta: #C2593F;
  --color-parchment: #F8F5EE;
  --color-white: #FFFFFF;
  --color-sandstone: #E2D9CC;
  --color-charcoal: #1E293B;
  --color-charcoal-muted: #475569;
  --color-terracotta-hover: #A8472E;
  
  --font-serif: "Newsreader", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --header-height: 125px;
  --container-max-width: 1280px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-parchment);
  color: var(--color-charcoal);
  line-height: 1.65;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-parchment);
  color: var(--color-charcoal);
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Dynamic Reading Progress Bar */
#reading-progress-track {
  position: fixed;
  top: 0;
  right: 0;
  width: 5px;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.1);
  z-index: 10001;
  pointer-events: none;
}

#reading-progress-bar {
  width: 100%;
  height: 0%;
  background-color: var(--color-terracotta);
  transition: height 0.05s linear;
}

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

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-slate);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.75rem;
  line-height: 1.15;
}

h2 {
  font-size: 2.1rem;
  margin-top: 2rem;
  border-bottom: 2px solid var(--color-sandstone);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
}

h4 {
  font-size: 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-charcoal);
}

strong {
  font-weight: 700;
  color: var(--color-slate);
}

a {
  color: var(--color-terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

/* Sticky Offset Protection & Double-Decker Header */
.portal-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: var(--color-white);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

/* Level 1: Civic Ledger Utility Strip */
.civic-ledger-strip {
  background-color: var(--color-slate);
  color: #CBD5E1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.civic-ledger-strip a {
  color: #F8F5EE;
  text-decoration: none;
  font-size: 0.8rem;
}

.civic-ledger-strip a:hover {
  text-decoration: underline;
  color: var(--color-terracotta);
}

.ledger-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ledger-item span.label {
  color: #94A3B8;
  font-size: 0.72rem;
  text-transform: uppercase;
}

/* Level 2: Split Navigation Bar */
.split-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 24px;
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-sandstone);
  height: 80px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.badge-tag {
  background-color: var(--color-terracotta);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-slate);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-charcoal-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Navigation Menu & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-slate);
  text-decoration: none;
  padding: 10px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-item:focus-within > .nav-link {
  color: var(--color-terracotta);
  background-color: var(--color-parchment);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  border: 1px solid var(--color-sandstone);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
  border-radius: 6px;
  min-width: 250px;
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 10002;
}

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

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-charcoal);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
}

.dropdown-link:hover {
  background-color: var(--color-parchment);
  color: var(--color-terracotta);
  border-left-color: var(--color-terracotta);
}

.nav-cta-contact {
  background-color: var(--color-terracotta);
  color: var(--color-white) !important;
  padding: 10px 18px !important;
  border-radius: 4px;
  font-weight: 700 !important;
  text-decoration: none !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease !important;
}

.nav-cta-contact:hover {
  background-color: var(--color-terracotta-hover) !important;
  color: var(--color-white) !important;
}

/* Mobile Nav Toggle */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 2px solid var(--color-slate);
  color: var(--color-slate);
  padding: 8px 14px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

/* Asymmetric Structural Canvas */
.asymmetric-canvas-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 40px 24px 80px 24px;
  width: 100%;
}

.asymmetric-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  align-items: start;
}

/* Left Column: Monospace Side-Rail Logbook */
.siderail-logbook {
  background-color: var(--color-white);
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
  padding: 24px;
  position: sticky;
  top: 150px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.siderail-heading {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--color-terracotta);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.logbook-entry {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-sandstone);
}

.logbook-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.logbook-label {
  color: var(--color-charcoal-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

.logbook-value {
  color: var(--color-slate);
  font-weight: 600;
  display: block;
}

.siderail-quote-block {
  background-color: var(--color-parchment);
  border-left: 3px solid var(--color-terracotta);
  padding: 14px;
  margin-top: 20px;
  border-radius: 0 4px 4px 0;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--color-charcoal);
  line-height: 1.5;
}

.siderail-menu-list {
  list-style: none;
  margin-top: 14px;
}

.siderail-menu-list li {
  margin-bottom: 8px;
}

.siderail-menu-list a {
  color: var(--color-slate);
  text-decoration: none;
  display: block;
  padding: 6px 10px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.siderail-menu-list a:hover {
  background-color: var(--color-parchment);
  color: var(--color-terracotta);
}

/* Right Column: Primary Analytical Canvas */
.primary-canvas {
  background-color: var(--color-white);
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
  padding: 44px;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

/* Hero Section & Banners */
.hero-block {
  margin-bottom: 36px;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 28px;
  border: 1px solid var(--color-sandstone);
}

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

.headline-summary {
  font-size: 1.22rem;
  line-height: 1.65;
  color: var(--color-slate);
  background-color: var(--color-parchment);
  border-left: 4px solid var(--color-terracotta);
  padding: 18px 24px;
  margin: 20px 0 28px 0;
  border-radius: 0 6px 6px 0;
  font-weight: 500;
}

/* Mandatory Reinvestment Quote Callout */
.reinvestment-statement-callout {
  background-color: #F1F5F9;
  border: 2px solid var(--color-slate);
  border-radius: 6px;
  padding: 22px 28px;
  margin: 32px 0;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  color: var(--color-slate);
  line-height: 1.6;
  text-align: center;
}

.reinvestment-statement-callout blockquote {
  font-weight: 700;
  font-style: italic;
  margin-bottom: 8px;
}

.reinvestment-statement-callout cite {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-terracotta);
  text-transform: uppercase;
  display: block;
  letter-spacing: 0.05em;
  font-style: normal;
}

/* Mandatory 'Notre Mission' Box */
.notre-mission-box {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #F8F5EE;
  padding: 34px 38px;
  border-radius: 8px;
  margin: 36px 0;
  border-left: 6px solid var(--color-terracotta);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

.notre-mission-box h3 {
  color: #FFFFFF;
  font-size: 1.7rem;
  margin-top: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 10px;
}

.notre-mission-box p {
  color: #E2E8F0;
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 0;
}

/* Inline Photographs */
.inline-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 32px 0;
}

.inline-photo-card {
  background-color: var(--color-parchment);
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
  overflow: hidden;
}

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

.inline-photo-card .photo-meta {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-charcoal-muted);
}

/* Action CTA Buttons */
.cta-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none !important;
  border-radius: 4px;
  min-height: 48px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.cta-button-primary {
  background-color: var(--color-terracotta);
  color: var(--color-white) !important;
  border: 2px solid var(--color-terracotta);
}

.cta-button-primary:hover {
  background-color: var(--color-terracotta-hover);
  border-color: var(--color-terracotta-hover);
}

.cta-button-secondary {
  background-color: transparent;
  color: var(--color-slate) !important;
  border: 2px solid var(--color-slate);
}

.cta-button-secondary:hover {
  background-color: var(--color-slate);
  color: var(--color-white) !important;
}

/* Data Tables */
.data-table-wrapper {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th, .data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-sandstone);
}

.data-table th {
  background-color: var(--color-slate);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.data-table tr:nth-child(even) td {
  background-color: var(--color-parchment);
}

/* Non-Profit Badge Strip */
.civic-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #EEF2F6;
  border: 1px solid #CBD5E1;
  color: var(--color-slate);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 20px;
}

/* Statistics Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.stat-card {
  background-color: var(--color-parchment);
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
  padding: 24px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-terracotta);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* Forms (Contact, Benevolat) */
.civic-form {
  background-color: var(--color-parchment);
  border: 1px solid var(--color-sandstone);
  border-radius: 6px;
  padding: 36px;
  margin: 32px 0;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-sandstone);
  border-radius: 4px;
  background-color: var(--color-white);
  color: var(--color-charcoal);
  min-height: 46px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(194, 89, 63, 0.15);
}

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

/* Vanilla JS Hero Slider */
.slider-container {
  position: relative;
  background-color: var(--color-slate);
  color: var(--color-white);
  border-radius: 6px;
  padding: 32px;
  margin-bottom: 32px;
  overflow: hidden;
}

.slider-slide {
  display: none;
  animation: fadeIn 0.4s ease;
}

.slider-slide.active {
  display: block;
}

.slider-controls {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.slider-btn {
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 44px;
}

.slider-btn:hover {
  background-color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer Architecture */
.portal-footer {
  margin-top: auto;
  background-color: var(--color-slate);
  color: #CBD5E1;
  border-top: 4px solid var(--color-terracotta);
  padding-top: 60px;
  padding-bottom: 40px;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #94A3B8;
  margin-bottom: 18px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #F8F5EE;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 8px;
}

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

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

.footer-links a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

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

.footer-contact-details {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #CBD5E1;
  line-height: 1.8;
}

.footer-contact-details a {
  color: #F8F5EE;
}

/* Mandatory Un-Truncated Footer Disclosure Block */
.mandatory-footer-disclosure {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 28px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #94A3B8;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  body {
    padding-top: 140px;
  }
  
  .asymmetric-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .siderail-logbook {
    position: static;
    top: auto;
  }
  
  .primary-canvas {
    padding: 28px 20px;
  }
  
  .split-nav-bar {
    height: auto;
    padding: 10px 16px;
    flex-wrap: wrap;
  }
  
  .mobile-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 16px;
    border-top: 1px solid var(--color-sandstone);
    padding-top: 12px;
  }
  
  .nav-menu.mobile-open {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 8px;
  }
  
  .nav-dropdown {
    position: static;
    box-shadow: none;
    border: none;
    background-color: var(--color-parchment);
    padding: 4px 0 8px 16px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }
  
  .nav-item.open-sub .nav-dropdown {
    display: block;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .inline-photo-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.1rem;
  }
  h2 {
    font-size: 1.65rem;
  }
  .civic-ledger-strip {
    flex-direction: column;
    gap: 4px;
    text-align: center;
    padding: 8px 12px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .cta-button {
    width: 100%;
  }
  .civic-form {
    padding: 20px 16px;
  }
}