/* ==========================================================================
   PORTAIL INSTITUTIONNEL - ASSOCIATION LES AMIS DE LA TOUR DE LA ROCHE (ACCA)
   Association Loi 1901 - RNA: W052007599 - SIREN: 893013037
   Feuille de styles officielle, accessible, mobile-responsive
   ========================================================================== */

:root {
  --color-maroon: #800000;
  --color-maroon-dark: #7A0016;
  --color-maroon-light: #9B111E;
  --color-navy: #0B2545;
  --color-navy-dark: #07192F;
  --color-canvas-white: #FFFFFF;
  --color-neutral-bg: #F9F8F6;
  --color-neutral-border: #E5E2DC;
  --color-charcoal: #222222;
  --color-charcoal-card: #2A2A2A;
  --color-text-main: #1D1D1F;
  --color-text-muted: #555555;
  --color-text-light: #F4F4F4;
  --font-serif: "Georgia", "Garamond", "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s ease-in-out;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-canvas-white);
  color: var(--color-text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

h1 {
  font-size: 2.35rem;
  color: var(--color-maroon-dark);
}

h2 {
  font-size: 1.85rem;
  border-bottom: 2px solid var(--color-neutral-border);
  padding-bottom: 0.5rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.4rem;
  color: var(--color-navy);
  margin-top: 1.25rem;
}

p {
  margin-bottom: 1.15rem;
  color: var(--color-text-main);
  font-size: 1.05rem;
}

a {
  color: var(--color-maroon);
  text-decoration: none;
  transition: var(--transition);
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  background: var(--color-canvas-white);
  border-bottom: 1px solid var(--color-neutral-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

/* Top Utility Bar */
.top-utility-bar {
  background-color: #F4F4F4;
  height: 34px;
  border-bottom: 1px solid #E0E0E0;
  font-size: 0.82rem;
  color: #444;
}

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

.utility-left, .utility-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.utility-link {
  color: #444;
  display: inline-flex;
  align-items: center;
  font-weight: 500;
}

.utility-link:hover {
  color: var(--color-maroon);
  text-decoration: none;
}

.utility-badge {
  background: var(--color-maroon);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

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

.utility-search input[type="search"] {
  padding: 3px 8px;
  font-size: 0.8rem;
  border: 1px solid #CCC;
  border-radius: 3px;
  outline: none;
  width: 140px;
  transition: var(--transition);
}

.utility-search input[type="search"]:focus {
  border-color: var(--color-maroon);
  width: 180px;
}

/* Central Branding Header */
.branding-header {
  padding: 1.25rem 0;
  background-color: var(--color-canvas-white);
  border-bottom: 1px solid var(--color-neutral-border);
}

.branding-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.branding-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  gap: 0.5rem;
}

.institutional-shield {
  width: 52px;
  height: 52px;
  fill: var(--color-maroon);
}

.branding-text {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.brand-acronym {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-maroon-dark);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Tier 1 Primary Navigation Bar */
.primary-nav-bar {
  background-color: var(--color-maroon-dark);
  color: #FFF;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.6rem 1rem;
  min-width: 44px;
  min-height: 44px;
}

.primary-menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
  width: 100%;
  justify-content: space-around;
}

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

.primary-menu-link {
  display: flex;
  align-items: center;
  padding: 0.85rem 1rem;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.5px;
  text-decoration: none;
  min-height: 44px;
  transition: var(--transition);
}

.primary-menu-link:hover,
.primary-menu-link:focus,
.primary-menu-item.active .primary-menu-link {
  background-color: var(--color-maroon);
  color: #FFFFFF;
  text-decoration: none;
}

/* Tier 2 Sub-Bar / Mega Dropdown */
.tier2-sub-bar {
  background-color: var(--color-neutral-bg);
  border-bottom: 2px solid var(--color-maroon);
  padding: 0.45rem 0;
  font-size: 0.85rem;
}

.tier2-inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.tier2-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tier2-label {
  font-weight: 700;
  color: var(--color-navy);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.tier2-link {
  color: var(--color-text-main);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.tier2-link:hover {
  background-color: #EDE9E1;
  color: var(--color-maroon);
  text-decoration: none;
}

.tier2-divider {
  color: var(--color-neutral-border);
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
  border: 2px solid transparent;
  line-height: 1;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-maroon-dark);
  border-color: var(--color-maroon-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-navy);
  color: #FFFFFF;
  transform: translateY(-1px);
}

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

.btn-white:hover {
  background-color: #F4F4F4;
  color: var(--color-maroon);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
  min-height: 38px;
}

/* ==========================================================================
   HERO BANNER & SECTIONS
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--color-navy-dark);
  color: #FFFFFF;
  overflow: hidden;
  padding: 4.5rem 0;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  object-fit: cover;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 960px;
}

.hero-subtitle-tag {
  display: inline-block;
  background-color: var(--color-maroon);
  color: #FFF;
  padding: 4px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
}

.hero-title {
  font-size: 3rem;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-slogan {
  font-size: 1.4rem;
  font-style: italic;
  color: #F0EDE6;
  margin-bottom: 1.25rem;
  font-family: var(--font-serif);
}

/* Mandatory 2-Sentence Non-Profit Summary directly beneath primary H1 */
.mandatory-nonprofit-summary {
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-charcoal);
  padding: 1.25rem 1.5rem;
  border-left: 5px solid var(--color-maroon);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-size: 1.1rem;
  line-height: 1.6;
  font-weight: 500;
  box-shadow: var(--shadow-md);
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Page Header (Subpages) */
.page-header {
  background-color: var(--color-neutral-bg);
  border-bottom: 1px solid var(--color-neutral-border);
  padding: 3rem 0 2.5rem;
  margin-bottom: 2.5rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--color-maroon);
}

.page-title {
  font-size: 2.5rem;
  color: var(--color-maroon-dark);
  margin-bottom: 0.5rem;
}

.page-lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 800px;
}

/* Section Blocks */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background-color: var(--color-neutral-bg);
}

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

.section-maroon h2, .section-maroon h3, .section-maroon p {
  color: #FFFFFF;
}

.section-maroon h2 {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.section-title {
  font-size: 2.2rem;
  color: var(--color-navy);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* Continuous "Notre mission" Statutory Block */
.notre-mission-block {
  background: #FFF;
  border-left: 6px solid var(--color-maroon);
  padding: 2rem 2.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 2rem 0;
  border: 1px solid var(--color-neutral-border);
  border-left-width: 6px;
}

.notre-mission-block h3 {
  color: var(--color-maroon-dark);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  margin-top: 0;
}

.notre-mission-text {
  font-size: 1.12rem;
  line-height: 1.75;
  color: #2D2D2D;
}

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

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

.split-panel.reverse > * {
  direction: ltr;
}

.panel-media img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.panel-content h2, .panel-content h3 {
  margin-top: 0;
}

/* Card 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: 1.75rem;
}

/* Cards */
.card {
  background: #FFFFFF;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.card-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  background-color: var(--color-neutral-bg);
  color: var(--color-maroon);
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.card-badge.badge-active {
  background-color: var(--color-maroon);
  color: #FFFFFF;
}

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

.card-title a {
  color: inherit;
}

.card-title a:hover {
  color: var(--color-maroon);
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
}

/* 4-Column Events Grid with top date badge */
.event-card {
  background: #FFFFFF;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.event-card:hover {
  border-color: var(--color-maroon);
  box-shadow: var(--shadow-md);
}

.event-date-badge {
  background-color: var(--color-maroon-dark);
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.event-day {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
}

.event-month {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
}

.event-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.event-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.85rem;
}

.event-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  font-size: 0.88rem;
  color: #444;
}

.event-card .btn {
  margin-top: auto;
  width: 100%;
}

/* Chiffres Clés / Statistics Panel */
.stats-panel {
  background: #FFFFFF;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  margin: 3rem 0;
}

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

.stat-item {
  padding: 1rem;
  border-right: 1px solid var(--color-neutral-border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-maroon);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-navy);
  font-weight: 600;
}

.stat-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Two-Column Content with Side-Rail Panel */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.sidebar-box {
  background: var(--color-neutral-bg);
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.sidebar-box h3 {
  font-size: 1.25rem;
  border-bottom: 2px solid var(--color-maroon);
  padding-bottom: 0.5rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

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

.sidebar-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-neutral-border);
  font-size: 0.92rem;
}

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

/* Financial Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
}

.financial-table {
  width: 100%;
  border-collapse: collapse;
  background: #FFF;
  border: 1px solid var(--color-neutral-border);
  font-size: 0.95rem;
}

.financial-table th {
  background-color: var(--color-maroon);
  color: #FFF;
  text-align: left;
  padding: 1rem 1.25rem;
  font-weight: 700;
}

.financial-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--color-neutral-border);
}

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

.financial-table tr.total-row {
  font-weight: 800;
  background-color: #EDE9E1;
  border-top: 2px solid var(--color-maroon);
}

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-sm);
  background-color: #FFF;
  font-family: inherit;
  transition: var(--transition);
}

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

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

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background: #FFF;
}

.faq-question {
  padding: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-neutral-border);
  padding-top: 1rem;
}

/* ==========================================================================
   FOOTER ARCHITECTURE
   ========================================================================== */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
  padding-top: 3.5rem;
  margin-top: auto;
  border-top: 4px solid var(--color-maroon);
  font-size: 0.92rem;
}

.footer-top-branding {
  text-align: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 2.5rem;
}

.footer-shield {
  width: 48px;
  height: 48px;
  fill: #FFFFFF;
  margin-bottom: 0.75rem;
}

.footer-org-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: 1px;
}

.footer-org-sub {
  color: #AAA;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--color-maroon);
  padding-bottom: 0.6rem;
  margin-bottom: 1.25rem;
}

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

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

.footer-links a {
  color: #BBB;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover, .footer-links a:focus {
  color: #FFF;
  text-decoration: underline;
  padding-left: 4px;
}

.footer-contact-info p {
  color: #BBB;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-contact-info strong {
  color: #FFF;
}

/* Mandatory Legal Notice Block in Footer */
.mandatory-legal-notice-block {
  background-color: #181818;
  border-left: 4px solid var(--color-maroon);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: var(--radius-sm);
  color: #CCC;
  font-size: 0.88rem;
  line-height: 1.65;
}

.mandatory-legal-notice-block strong {
  color: #FFF;
}

.footer-bottom-bar {
  background-color: #111111;
  padding: 1.25rem 0;
  font-size: 0.82rem;
  color: #888;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

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

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

/* ==========================================================================
   MOBILE RESPONSIVENESS (Strict standards, 992px & 768px breakpoints)
   ========================================================================== */
@media (max-width: 992px) {
  h1 { font-size: 2.1rem; }
  .hero-title { font-size: 2.4rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item { border-bottom: 1px solid var(--color-neutral-border); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .split-panel { grid-template-columns: 1fr; gap: 2rem; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-section { padding: 3rem 0; }

  /* Utility Bar Mobile */
  .top-utility-bar {
    height: auto;
    padding: 0.35rem 0;
  }
  .top-utility-inner {
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
  }
  .utility-left {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }

  /* Mobile Navigation Collapse & Drawer */
  .mobile-toggle {
    display: block;
  }

  .primary-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-maroon-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .primary-menu.is-open {
    display: flex;
  }

  .primary-menu-item {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .primary-menu-link {
    padding: 0.85rem 1.25rem;
    width: 100%;
  }

  /* Tier 2 Sub-bar on Mobile */
  .tier2-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .tier2-divider {
    display: none;
  }
  .tier2-group {
    flex-wrap: wrap;
  }

  /* Grids */
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-right: none !important;
    border-bottom: 1px solid var(--color-neutral-border);
  }
  .stat-item:last-child {
    border-bottom: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}