/* ==========================================================================
   SIM'S ON THE ROAD - INSTITUTIONAL PORTAL STYLESHEET (LOI 1901)
   Color Palette: Royal Blue (#002366), Deep Gold (#FFD700), Dark Slate (#1A202C)
   ========================================================================== */

:root {
  --color-primary: #002366;
  --color-primary-dark: #001744;
  --color-primary-light: #1a3d8f;
  --color-accent: #FFD700;
  --color-accent-hover: #e6c200;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-subtle: #F4F6F9;
  --color-text-main: #2D3748;
  --color-text-muted: #4A5568;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  --color-dark-surface: #1A202C;
  --color-dark-surface-alt: #2D3748;
  --color-success: #2E7D32;
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --header-utility-height: 42px;
  --header-nav-height: 76px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 35, 102, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 35, 102, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 35, 102, 0.12);
}

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

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

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

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

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

a:hover {
  color: var(--color-primary-light);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   TOP UTILITY STRIP (ROW 1)
   ========================================================================== */
.top-utility-strip {
  background-color: var(--color-bg-subtle);
  color: #333333;
  height: var(--header-utility-height);
  padding: 0 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.top-utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.utility-rna-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
}

.utility-badge-tag {
  background: var(--color-primary);
  color: #ffffff;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.utility-controls {
  display: flex;
  align-items: center;
  gap: 18px;
}

.search-box-sim {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.search-box-sim input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.8rem;
  width: 140px;
  color: var(--color-text-main);
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.lang-selector span.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
}

.lang-selector span.disabled {
  color: var(--color-text-light);
  cursor: default;
}

/* ==========================================================================
   MAIN NAVIGATION BAR & MEGA MENU (ROW 2)
   ========================================================================== */
.main-header {
  background-color: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.main-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-nav-height);
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.brand-logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-crest {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  border: 2px solid var(--color-accent);
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.2px;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-menu-list {
  display: flex;
  list-style: none;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  padding: 0 16px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 3px solid transparent;
}

.nav-link:hover,
.nav-item:hover > .nav-link {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  background-color: var(--color-bg-subtle);
}

/* Mega Menu Dropdown */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 320px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  padding: 16px 0;
  display: none;
  z-index: 1100;
}

.nav-item:hover .mega-dropdown {
  display: block;
}

.mega-dropdown-list {
  list-style: none;
}

.mega-dropdown-list li a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  border-left: 3px solid transparent;
  line-height: 1.4;
}

.mega-dropdown-list li a:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
  border-left-color: var(--color-accent);
  padding-left: 24px;
}

.mega-dropdown-list li a small {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-top: 2px;
}

/* Header Action Button */
.header-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.header-action-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  min-width: 44px;
  min-height: 44px;
  font-size: 1.25rem;
  color: var(--color-primary);
  cursor: pointer;
}

.mobile-nav-panel {
  display: none;
  background: #ffffff;
  border-bottom: 2px solid var(--color-primary);
  padding: 16px 24px;
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-menu-section {
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.mobile-section-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

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

.mobile-links-list li a {
  display: block;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text-main);
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* ==========================================================================
   INSTITUTIONAL BREADCRUMBS & NOTICE STRIPS
   ========================================================================== */
.breadcrumbs-bar {
  background-color: var(--color-bg-alt);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumbs-bar a {
  color: var(--color-primary);
  font-weight: 600;
}

.breadcrumbs-bar span.separator {
  margin: 0 8px;
  color: var(--color-border-dark);
}

.transparency-callout {
  background-color: #f0f7ff;
  border-left: 4px solid var(--color-primary);
  padding: 14px 20px;
  margin-bottom: 24px;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  font-size: 0.92rem;
  color: var(--color-primary-dark);
}

.transparency-callout strong {
  color: var(--color-primary);
}

/* ==========================================================================
   PAGE HEROES & HEADERS
   ========================================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 50px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--color-accent);
}

.page-hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.page-hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 800px;
  opacity: 0.92;
  font-weight: 400;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-meta-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Main Homepage Hero */
.home-hero-section {
  padding: 40px 0 60px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.home-hero-visual {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid #ffffff;
}

.home-hero-headline {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-statement-box {
  background-color: var(--color-bg-subtle);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-main);
  font-weight: 500;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ==========================================================================
   BUTTONS & CTAs (NON-COMMERCIAL COMPLIANCE)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: #ffffff;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border: 2px solid var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-primary-dark);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* ==========================================================================
   CORE TWO-COLUMN INSTITUTIONAL LAYOUT (3fr 1fr)
   ========================================================================== */
.main-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 36px;
  padding-top: 48px;
  padding-bottom: 64px;
}

.main-column {
  min-width: 0;
}

.sidebar-rail {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Sidebar Widgets */
.sidebar-widget {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget-header {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.sidebar-widget-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Chiffres Clés Metrics Grid */
.metric-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  margin-bottom: 12px;
  text-align: center;
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.1;
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.institutional-quickfacts {
  list-style: none;
  font-size: 0.88rem;
}

.institutional-quickfacts li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
}

.institutional-quickfacts li strong {
  color: var(--color-primary);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.institutional-quickfacts li span {
  color: var(--color-text-main);
}

/* ==========================================================================
   CONTENT CARDS, GRIDS & SECTIONS
   ========================================================================== */
.section-title-wrap {
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.3;
  letter-spacing: -0.3px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

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

.program-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-subtle);
  overflow: hidden;
}

.card-badge-status {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--color-accent);
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   FINANCIAL LEDGERS & DATA TABLES
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

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

.data-table th {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 14px 18px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  color: var(--color-text-main);
}

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

.data-table tr:hover {
  background-color: #f0f7ff;
}

.data-table tfoot td {
  font-weight: 800;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ==========================================================================
   FORMS & TOUCH CONTROLS
   ========================================================================== */
.form-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

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

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius-sm);
  background-color: #ffffff;
  color: var(--color-text-main);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 35, 102, 0.15);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.form-check input[type="checkbox"] {
  min-width: 20px;
  min-height: 20px;
  margin-top: 2px;
}

/* ==========================================================================
   COMPLIANCE FOOTER ARCHITECTURE (4 COLUMNS + BASE LEGAL)
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark-surface);
  color: #E2E8F0;
  border-top: 4px solid var(--color-accent);
  padding: 60px 0 24px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  border-bottom: 2px solid rgba(255, 215, 0, 0.3);
  padding-bottom: 8px;
}

.footer-ident-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #CBD5E1;
  margin-bottom: 16px;
}

.footer-admin-tags {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: #94A3B8;
}

.footer-admin-tags strong {
  color: #F8FAFC;
}

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

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

.footer-links-list li a {
  color: #CBD5E1;
  font-size: 0.88rem;
  display: inline-block;
  min-height: 32px;
  display: flex;
  align-items: center;
}

.footer-links-list li a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* Base Legal Statement Box */
.footer-legal-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  margin-top: 24px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #94A3B8;
  text-align: justify;
}

.footer-legal-bar p {
  margin-bottom: 10px;
}

/* ==========================================================================
   MOBILE RESPONSIVE BREAKPOINTS (@media max-width: 992px and 768px)
   ========================================================================== */
@media (max-width: 992px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar-rail {
    order: 2;
  }
  
  .main-column {
    order: 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .home-hero-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-utility-strip {
    height: auto;
    padding: 8px 16px;
  }
  
  .top-utility-inner {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  
  .utility-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .search-box-sim {
    display: none;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-header-inner {
    height: 64px;
  }
  
  .page-hero-title {
    font-size: 1.65rem;
  }
  
  .cards-grid-2,
  .cards-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .hero-cta-group {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}