/* ==========================================================================
   PORTAIL INSTITUTIONNEL - LES AMIS DU MUSEE ET DU PATRIMOINE DE TOURNON
   Association Loi 1901 - RNA: W073000704 - SIREN: 488659251
   Design System, Typographie & Architecture Responsive Pure CSS
   ========================================================================== */

:root {
  --color-maroon: #800000;
  --color-maroon-dark: #7A0016;
  --color-maroon-light: #991b1b;
  --color-navy: #0B2545;
  --color-navy-dark: #07192e;
  --color-body-bg: #FFFFFF;
  --color-section-bg: #F9F8F6;
  --color-section-alt: #F4F1EC;
  --color-footer-bg: #222222;
  --color-footer-sub: #1a1a1a;
  --color-text-main: #2D3748;
  --color-text-muted: #4A5568;
  --color-border: #E2E8F0;
  --color-border-warm: #E6E0D7;
  --color-gold: #C5A059;
  
  --font-serif: "Georgia", "Garamond", "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Base Reset & Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-body-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.35rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1.25rem;
  max-width: 80ch;
}

a {
  color: var(--color-maroon);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--color-maroon-dark);
  text-decoration: underline;
}

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

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

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

/* 1. Top Utility Bar */
.top-utility-bar {
  background-color: #F4F4F4;
  height: 36px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: #555555;
}

.top-utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.utility-left, .utility-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-rna-badge {
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.02em;
}

.utility-link {
  color: #555555;
  text-decoration: none;
}

.utility-link:hover {
  color: var(--color-maroon);
  text-decoration: underline;
}

.utility-search-form {
  display: flex;
  align-items: center;
}

.utility-search-input {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border: 1px solid #CBD5E0;
  border-radius: 3px;
  width: 160px;
  background-color: #FFFFFF;
}

.utility-search-input:focus {
  outline: none;
  border-color: var(--color-maroon);
}

.utility-lang-select {
  font-size: 0.75rem;
  border: 1px solid #CBD5E0;
  border-radius: 3px;
  padding: 0.15rem 0.4rem;
  background: #FFFFFF;
  color: #333;
}

/* 2. Central Branding Header */
.branding-header {
  background-color: #FFFFFF;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border-warm);
  text-align: center;
}

.branding-mark-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
}

.branding-shield-svg {
  width: 58px;
  height: 58px;
  margin-bottom: 0.5rem;
  fill: var(--color-maroon);
}

.branding-acronym {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-maroon);
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.branding-org-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

.branding-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.25rem;
}

/* 3. Tier 1 Primary Navigation */
.primary-nav-bar {
  background-color: var(--color-maroon);
  border-top: 2px solid var(--color-gold);
  border-bottom: 1px solid var(--color-maroon-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.primary-nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}

.primary-nav-item {
  position: relative;
}

.primary-nav-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav-link:hover,
.primary-nav-link.active {
  background-color: var(--color-maroon-dark);
  color: #FFF2CC;
  text-decoration: none;
}

/* 4. Tier 2 Institutional Sub-Bar / Mega-Bar */
.sub-nav-bar {
  background-color: var(--color-section-bg);
  border-bottom: 1px solid var(--color-border-warm);
  font-size: 0.8125rem;
  padding: 0.5rem 0;
}

.sub-nav-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  align-items: center;
}

.sub-nav-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sub-nav-label {
  font-weight: 700;
  color: var(--color-navy);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.sub-nav-group a {
  color: #555555;
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
}

.sub-nav-group a:hover {
  color: var(--color-maroon);
  background-color: #EAE6DF;
  text-decoration: none;
}

/* Mobile Nav Controls */
.mobile-nav-toggle-input {
  display: none;
}

.mobile-nav-toggle-label {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0.75rem 1rem;
  background-color: var(--color-maroon);
  color: #FFFFFF;
  font-weight: 600;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   BUTTONS, BADGES & CTA MODULES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-maroon {
  background-color: var(--color-maroon);
  color: #FFFFFF;
  border-color: var(--color-maroon-dark);
}

.btn-maroon:hover {
  background-color: var(--color-maroon-dark);
  color: #FFFFFF;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

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

.btn-navy:hover {
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-maroon);
  border: 2px solid var(--color-maroon);
}

.btn-outline:hover {
  background-color: var(--color-maroon);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-maroon);
  border: 1px solid #FFFFFF;
}

.btn-white:hover {
  background-color: #F8F9FA;
  color: var(--color-maroon-dark);
  text-decoration: none;
}

.badge-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

.badge-active {
  background-color: #E6F4EA;
  color: #137333;
  border: 1px solid #CEEAD6;
}

.badge-maroon {
  background-color: #FCE8E6;
  color: var(--color-maroon);
  border: 1px solid #FAD2CF;
}

/* ==========================================================================
   HOMEPAGE MODULES & SECTIONS
   ========================================================================== */

/* Hero Banner */
.hero-section {
  position: relative;
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
  overflow: hidden;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-height: 520px;
}

.hero-image-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  filter: brightness(0.72);
}

.hero-content-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  background: linear-gradient(to right, rgba(7, 25, 46, 0.92) 0%, rgba(7, 25, 46, 0.6) 60%, rgba(7, 25, 46, 0.2) 100%);
}

.hero-text-card {
  max-width: 680px;
  padding: 2.5rem 0;
}

.hero-text-card h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-slogan {
  font-size: 1.15rem;
  color: #E2E8F0;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.hero-mandatory-summary {
  font-size: 1rem;
  line-height: 1.6;
  background-color: rgba(255, 255, 255, 0.12);
  border-left: 4px solid var(--color-gold);
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.5rem;
  color: #F7FAFC;
  border-radius: 0 4px 4px 0;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Continuous Notre Mission Box */
.notre-mission-box {
  background-color: var(--color-section-bg);
  border-top: 3px solid var(--color-maroon);
  border-bottom: 1px solid var(--color-border-warm);
  padding: 2.5rem 0;
  margin: 2rem 0;
}

.mission-highlight-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-warm);
  padding: 2rem;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}

.mission-text-block {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-main);
  text-align: justify;
}

/* Alternating Split Panels */
.split-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3.5rem 0;
}

.split-panel.reverse {
  direction: rtl;
}

.split-panel.reverse .split-content {
  direction: ltr;
}

.split-panel.reverse .split-media {
  direction: ltr;
}

.split-media img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.split-content h2 {
  margin-bottom: 1rem;
  color: var(--color-navy);
}

/* 4 Activity Cards Grid */
.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.activity-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-maroon);
}

.activity-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.activity-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-navy);
}

.activity-card-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

/* 4-Column Events Grid */
.events-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.event-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-warm);
  border-radius: 4px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.event-date-badge {
  background-color: var(--color-maroon);
  color: #FFFFFF;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 3px;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.event-date-month {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-date-day {
  font-size: 1.25rem;
  line-height: 1;
}

.event-location {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.event-title {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  color: var(--color-navy);
}

.event-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Chiffres Clés Panel */
.stats-banner {
  background-color: var(--color-maroon);
  color: #FFFFFF;
  padding: 3rem 0;
  margin: 3.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item-num {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 700;
  color: #FFF2CC;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: #F8F9FA;
  letter-spacing: 0.02em;
}

/* Two-Column Layout for Interior Pages (Content + Sidebar) */
.page-layout-grid {
  display: grid;
  grid-template-columns: 2.6fr 1fr;
  gap: 2.5rem;
  margin: 2.5rem 0;
}

.main-article {
  background-color: #FFFFFF;
}

.sidebar-rail {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.sidebar-card {
  background-color: var(--color-section-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: 4px;
  padding: 1.5rem;
}

.sidebar-card h3 {
  font-size: 1.15rem;
  border-bottom: 2px solid var(--color-maroon);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

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

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

.sidebar-links a {
  color: var(--color-text-main);
  display: block;
  font-size: 0.9rem;
}

.sidebar-links a:hover {
  color: var(--color-maroon);
  padding-left: 4px;
}

/* Tables for Finances & Governance */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.9375rem;
}

.styled-table th, .styled-table td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.styled-table th {
  background-color: var(--color-navy);
  color: #FFFFFF;
  font-weight: 600;
  font-family: var(--font-serif);
}

.styled-table tbody tr:nth-child(even) {
  background-color: var(--color-section-bg);
}

.styled-table tfoot td {
  font-weight: 700;
  background-color: #E2E8F0;
}

/* Forms (Contact, Volunteer) */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 0.85rem;
  border: 1px solid #CBD5E0;
  border-radius: 3px;
  font-size: 0.95rem;
  background-color: #FFFFFF;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-maroon);
  box-shadow: 0 0 0 3px rgba(128, 0, 0, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* FAQ Accordion */
.faq-list {
  margin: 2rem 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-bottom: 0.75rem;
  background-color: #FFFFFF;
}

.faq-question {
  font-weight: 600;
  padding: 1rem 1.25rem;
  cursor: pointer;
  background-color: var(--color-section-bg);
  color: var(--color-navy);
}

.faq-answer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* Executive Board Profiles */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.team-card {
  background: var(--color-section-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: 4px;
  padding: 1.5rem;
  text-align: center;
}

.team-role {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-maroon);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.team-name {
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   FOOTER ARCHITECTURE
   ========================================================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  color: #CCCCCC;
  padding: 3.5rem 0 2rem 0;
  border-top: 4px solid var(--color-maroon);
  font-size: 0.875rem;
}

.footer-brand-center {
  text-align: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #333333;
  margin-bottom: 2.5rem;
}

.footer-shield-svg {
  width: 52px;
  height: 52px;
  fill: #FFFFFF;
  margin-bottom: 0.5rem;
}

.footer-org-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.footer-org-subtitle {
  font-size: 0.85rem;
  color: #AAAAAA;
  margin-top: 0.25rem;
}

.footer-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #444444;
  padding-bottom: 0.4rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #BBBBBB;
}

.footer-col a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-legal-notice-box {
  background-color: var(--color-footer-sub);
  border: 1px solid #333333;
  padding: 1.25rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #999999;
  text-align: center;
  margin-bottom: 1.75rem;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.8125rem;
  color: #888888;
}

.footer-bottom-links a {
  color: #AAAAAA;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS (BREAKPOINTS)
   ========================================================================== */

@media (max-width: 992px) {
  .cards-grid-4, .events-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .page-layout-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .top-utility-bar {
    height: auto;
    padding: 0.4rem 0;
  }
  
  .top-utility-inner {
    flex-direction: column;
    gap: 0.4rem;
  }
  
  .utility-left, .utility-right {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }
  
  /* Mobile Navigation Drawer */
  .mobile-nav-toggle-label {
    display: flex;
  }
  
  .primary-nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-maroon-dark);
  }
  
  .mobile-nav-toggle-input:checked ~ .primary-nav-menu {
    display: flex;
  }
  
  .primary-nav-link {
    min-height: 44px;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .sub-nav-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .split-panel, .split-panel.reverse {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .cards-grid-4, .events-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-image-wrapper img {
    height: 380px;
  }
  
  .hero-text-card h1 {
    font-size: 1.75rem;
  }
  
  .footer-bottom-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
}