/* ==========================================================================
   V.T.T. BELLERIVE - FEUILLE DE STYLE INSTITUTIONNELLE
   Association Loi 1901 - RNA: W033002180 | SIREN: 799462015
   Design System: Portail Sportif & Civique Français (Normes d'Accessibilité & Performance)
   ========================================================================== */

:root {
  --color-top-bar: #111111;
  --color-top-text: #E2E8F0;
  --color-header-bg: #FFFFFF;
  --color-crimson: #C8102E;
  --color-crimson-hover: #A00C24;
  --color-nav-strip: #1A1A1A;
  --color-nav-link: #F1F5F9;
  --color-body-bg: #F4F4F4;
  --color-card-bg: #FFFFFF;
  --color-border: #E0E0E0;
  --color-border-subtle: #E2E8F0;
  --color-primary-blue: #0088CC;
  --color-primary-blue-hover: #0070A8;
  --color-badge-bg: #555555;
  --color-badge-text: #FFFFFF;
  --color-deep-navy: #0F172A;
  --color-footer-bg: #1A1A1A;
  --color-footer-link: #94A3B8;
  --color-teal-hover: #0D9488;
  --color-text-dark: #1E293B;
  --color-text-muted: #64748B;
  --color-light-gray: #F8FAFC;
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-family-display: "Arial Black", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container-max-width: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-body-bg);
  color: var(--color-text-dark);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

ul, ol {
  list-style-position: inside;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 1. Top Utility Bar */
.top-utility-bar {
  background-color: var(--color-top-bar);
  color: var(--color-top-text);
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid #262626;
}

.top-utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-utility-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.top-utility-badge {
  background-color: #27272A;
  color: #38BDF8;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.top-utility-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-utility-links a:hover {
  color: #38BDF8;
}

/* 2. Main Header Banner */
.main-header-banner {
  background-color: var(--color-header-bg);
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.header-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo-mark {
  width: 52px;
  height: 52px;
  background-color: var(--color-crimson);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.35rem;
  border-radius: var(--radius-sm);
  letter-spacing: -0.05em;
  flex-shrink: 0;
}

.brand-titles h1.brand-title {
  font-size: 1.55rem;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-titles .brand-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-crimson-cta {
  background-color: var(--color-crimson);
  color: #FFFFFF;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(200, 16, 46, 0.2);
}

.btn-crimson-cta:hover {
  background-color: var(--color-crimson-hover);
  color: #FFFFFF;
}

/* 3. Search & Filter Navigation Strip */
.nav-filter-strip {
  background-color: var(--color-nav-strip);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--color-crimson);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.nav-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Main Nav Matrix */
.primary-nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-nav-link);
  border-right: 1px solid #333333;
  min-height: 48px;
}

.nav-link-trigger:hover,
.nav-item:focus-within .nav-link-trigger {
  background-color: #262626;
  color: #38BDF8;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #1E293B;
  min-width: 250px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  border-top: 3px solid var(--color-crimson);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  display: none;
  flex-direction: column;
  z-index: 1050;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: flex;
}

.dropdown-menu a {
  padding: 12px 18px;
  font-size: 0.85rem;
  color: #E2E8F0;
  border-bottom: 1px solid #334155;
  font-weight: 500;
}

.dropdown-menu a:hover {
  background-color: #0F172A;
  color: #38BDF8;
  padding-left: 22px;
}

/* Filter Strip Controls */
.nav-search-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
}

.filter-select {
  background-color: #262626;
  color: #E2E8F0;
  border: 1px solid #404040;
  padding: 8px 12px;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  height: 38px;
  cursor: pointer;
}

.filter-select:focus {
  outline: 2px solid var(--color-primary-blue);
}

.nav-search-form {
  display: flex;
  align-items: center;
  background-color: #262626;
  border: 1px solid #404040;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 38px;
}

.nav-search-input {
  background: transparent;
  border: none;
  padding: 8px 12px;
  color: #FFFFFF;
  font-size: 0.8125rem;
  width: 190px;
}

.nav-search-input:focus {
  outline: none;
}

.nav-search-btn {
  background-color: var(--color-primary-blue);
  color: #FFFFFF;
  border: none;
  padding: 0 12px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}

.nav-search-btn:hover {
  background-color: var(--color-primary-blue-hover);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  padding: 8px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* 4. Hero Banners & Mission Statements */
.hero-banner-section {
  position: relative;
  background-color: #0F172A;
  color: #FFFFFF;
  overflow: hidden;
  border-bottom: 4px solid var(--color-crimson);
}

.hero-image-wrapper {
  position: relative;
  height: 440px;
  width: 100%;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.65);
}

.hero-content-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(15,23,42,0.92) 0%, rgba(15,23,42,0.7) 60%, rgba(15,23,42,0.3) 100%);
}

.hero-text-block {
  max-width: 780px;
  padding: 40px 0;
}

.hero-badge-tag {
  display: inline-block;
  background-color: var(--color-crimson);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.hero-lead-summary {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #E2E8F0;
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-actions-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Button Variants */
.btn-primary-blue {
  background-color: var(--color-primary-blue);
  color: #FFFFFF;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  text-transform: uppercase;
}

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

.btn-outline-light {
  background-color: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  padding: 10px 22px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  text-transform: uppercase;
}

.btn-outline-light:hover {
  background-color: #FFFFFF;
  color: #0F172A;
}

/* 5. Metrics & Counts Bar */
.metrics-strip {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  border-left: 3px solid var(--color-primary-blue);
  padding-left: 14px;
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 900;
  color: #0F172A;
  line-height: 1.1;
}

.metric-label {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Pill Badges */
.pill-badge {
  background-color: var(--color-badge-bg);
  color: var(--color-badge-text);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  white-space: nowrap;
}

/* 6. Content Section & Elevated Cards */
.page-section {
  padding: 48px 0;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 14px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 24px;
  background-color: var(--color-crimson);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-padding {
  padding: 24px;
}

/* Mandatory Mission Statement Box */
.mission-statement-box {
  background-color: #FFFFFF;
  border: 2px solid #0284C7;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
  position: relative;
}

.mission-statement-box::before {
  content: "DÉCLARATION STATUTAIRE OFFICIELLE";
  position: absolute;
  top: -12px;
  left: 24px;
  background-color: #0284C7;
  color: #FFFFFF;
  font-size: 0.725rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.mission-statement-box h2 {
  font-size: 1.4rem;
  font-weight: 900;
  color: #0F172A;
  margin-bottom: 14px;
}

.mission-statement-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #334155;
  font-weight: 500;
  text-align: justify;
}

/* Grid Layouts */
.grid-4-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.grid-3-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2-cols {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.grid-equal-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

/* News & Activity Cards */
.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.article-card-image {
  height: 190px;
  width: 100%;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:hover .article-card-image img {
  transform: scale(1.05);
}

.article-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.775rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.35;
  margin-bottom: 12px;
}

.article-card-excerpt {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.article-card-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 44px;
}

.article-card-link:hover {
  color: var(--color-primary-blue-hover);
  text-decoration: underline;
}

/* Mid-Page Dark Callout Banner */
.callout-banner-dark {
  background-color: var(--color-deep-navy);
  color: #FFFFFF;
  padding: 56px 0;
  border-top: 3px solid var(--color-crimson);
  border-bottom: 3px solid var(--color-crimson);
  margin: 40px 0;
}

.callout-banner-inner {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.callout-banner-title {
  font-size: 2.1rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.callout-banner-text {
  font-size: 1.1rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* Sidebar & Module Styling */
.sidebar-module {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--color-primary-blue);
  padding-bottom: 8px;
}

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

.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid #F1F5F9;
  font-size: 0.875rem;
}

.sidebar-list li:last-child {
  border-bottom: none;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
  background-color: #FFFFFF;
}

.data-table th, .data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #E2E8F0;
}

.data-table th {
  background-color: #0F172A;
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

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

/* Historical Timeline */
.timeline-track {
  position: relative;
  padding: 20px 0 20px 30px;
  border-left: 3px solid var(--color-primary-blue);
  margin-left: 10px;
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-dot {
  position: absolute;
  left: -37px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-crimson);
  border: 3px solid #FFFFFF;
  box-shadow: 0 0 0 2px var(--color-crimson);
}

.timeline-year {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary-blue);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 6px;
}

/* Form Styling */
.form-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: #1E293B;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-family: inherit;
  color: #1E293B;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.15);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

/* Alert Notification */
.alert-notice {
  padding: 16px 20px;
  background-color: #F0FDF4;
  border-left: 4px solid #16A34A;
  color: #166534;
  font-size: 0.925rem;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

/* 7. Footer Architecture */
.site-footer {
  background-color: var(--color-footer-bg);
  color: #FFFFFF;
  margin-top: auto;
  border-top: 4px solid var(--color-crimson);
  font-size: 0.9rem;
}

.footer-top-row {
  padding: 48px 0 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid #333333;
  padding-bottom: 8px;
}

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

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

.footer-links a {
  color: var(--color-footer-link);
  font-size: 0.875rem;
}

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

.footer-statutory-box {
  background-color: #111111;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #262626;
  margin-top: 14px;
  font-size: 0.8rem;
  color: #94A3B8;
  line-height: 1.6;
}

.footer-bottom-row {
  background-color: #0A0A0A;
  padding: 18px 0;
  border-top: 1px solid #262626;
  font-size: 0.8125rem;
  color: #64748B;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #94A3B8;
}

.footer-legal-links a:hover {
  color: #38BDF8;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 992px) {
  .nav-strip-inner {
    flex-wrap: wrap;
  }
  .primary-nav-menu {
    order: 3;
    width: 100%;
    display: none;
    flex-direction: column;
    background-color: #1E293B;
  }
  .primary-nav-menu.is-active {
    display: flex;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link-trigger {
    width: 100%;
    justify-content: space-between;
    border-right: none;
    border-bottom: 1px solid #334155;
  }
  .dropdown-menu {
    position: static;
    display: flex;
    box-shadow: none;
    background-color: #0F172A;
    border-top: none;
    padding-left: 14px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-utility-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-image-wrapper {
    height: 480px;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .grid-4-cards, .grid-3-cards, .grid-equal-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-search-controls {
    flex-wrap: wrap;
    width: 100%;
  }
  .nav-search-input {
    width: 140px;
  }
}