/* ==========================================================================
   PORTAIL INSTITUTIONNEL - CUSSET LOISIRS EVASION
   Charte Graphique Duke University - Non-Profit Civic Portal
   ========================================================================== */

:root {
  --duke-royal-blue: #001A57;
  --duke-deep-navy: #051C48;
  --duke-bright-blue: #00539B;
  --duke-action-blue: #0073D1;
  --duke-canvas: #F3F4F6;
  --duke-white: #FFFFFF;
  --duke-charcoal: #111827;
  --duke-muted: #6B7280;
  --duke-border: #E5E7EB;
  --font-serif: Georgia, Garamond, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--duke-canvas);
  color: var(--duke-charcoal);
  font-family: var(--font-sans);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER LEVEL 1: UTILITY STRIP
   ========================================================================== */
.utility-strip {
  background-color: var(--duke-deep-navy);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-strip-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.utility-strip-left, .utility-strip-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.utility-strip a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.2s ease;
}

.utility-strip a:hover {
  color: #93C5FD;
  text-decoration: underline;
}

.utility-badge {
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

/* ==========================================================================
   HEADER LEVEL 2: MAIN NAVIGATION
   ========================================================================== */
.main-header {
  background-color: var(--duke-royal-blue);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.main-header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #FFFFFF;
}

.site-brand-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #FFFFFF;
}

.site-brand-sub {
  font-size: 11px;
  color: #93C5FD;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* Nav Menu & Dropdowns */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  color: #FFFFFF;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.2s ease;
  min-height: 44px;
}

.nav-link:hover, .nav-item:hover > .nav-link, .nav-link.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #FFFFFF;
  min-width: 250px;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--duke-border);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  list-style: none;
}

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

.dropdown-link {
  display: block;
  padding: 10px 20px;
  color: var(--duke-charcoal);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  min-height: 44px;
  line-height: 24px;
}

.dropdown-link:hover {
  background-color: var(--duke-canvas);
  color: var(--duke-bright-blue);
  padding-left: 24px;
}

/* Featured Header CTA */
.nav-cta-btn {
  background-color: var(--duke-bright-blue);
  color: #FFFFFF !important;
  font-weight: 700 !important;
  padding: 10px 18px !important;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-cta-btn:hover {
  background-color: var(--duke-action-blue) !important;
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}

/* Dynamic Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--duke-action-blue);
  z-index: 1100;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* ==========================================================================
   LAYOUT CONTAINERS & TYPOGRAPHY
   ========================================================================== */
main {
  flex: 1;
}

.portal-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 24px;
}

.section-block {
  margin-bottom: 56px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--duke-royal-blue);
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

h2 {
  font-size: 1.9rem;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--duke-border);
  padding-bottom: 10px;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
  color: var(--duke-charcoal);
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #374151;
  font-weight: 400;
}

.civic-tag-pill {
  display: inline-block;
  background-color: var(--duke-bright-blue);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.civic-tag-secondary {
  background-color: #E0E7FF;
  color: var(--duke-royal-blue);
}

/* ==========================================================================
   HERO SHOWCASE BANNER
   ========================================================================== */
.hero-banner-frame {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  background-color: var(--duke-deep-navy);
}

.hero-banner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.hero-overlay-card {
  position: absolute;
  bottom: 40px;
  left: 5%;
  max-width: 620px;
  background-color: rgba(5, 28, 72, 0.92);
  color: #FFFFFF;
  padding: 36px 40px;
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.hero-overlay-card h1 {
  color: #FFFFFF;
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.hero-overlay-card p {
  color: #E5E7EB;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--duke-bright-blue);
  color: #FFFFFF;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s ease;
  min-height: 44px;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background-color: var(--duke-action-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 83, 155, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: #FFFFFF;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
}

/* ==========================================================================
   HOMEPAGE HEADLINE SUMMARY BLOCK
   ========================================================================== */
.headline-summary-block {
  background-color: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  padding: 28px 32px;
  margin-top: -30px;
  position: relative;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.headline-summary-text {
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--duke-charcoal);
  font-weight: 500;
}

/* ==========================================================================
   120+ WORD MISSION STATEMENT CALLOUT BLOCK
   ========================================================================== */
.mission-callout-block {
  background-color: #FFFFFF;
  border-left: 4px solid var(--duke-bright-blue);
  padding: 32px 36px;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  margin: 40px 0;
}

.mission-callout-title {
  font-size: 1.4rem;
  color: var(--duke-royal-blue);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mission-callout-text {
  font-size: 1.1rem;
  line-height: 1.85;
  color: #1F2937;
  font-style: normal;
}

/* ==========================================================================
   ASYMMETRIC ACTIVITY SPLIT-GRID (DUKE GRID)
   ========================================================================== */
.duke-split-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 32px;
  align-items: start;
}

.editorial-card {
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}

.editorial-card-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.editorial-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.editorial-stacked-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stacked-card-item {
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stacked-card-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   4 ACTIVITY PREVIEW CARDS GRID (EXACT 100 WORDS EACH)
   ========================================================================== */
.preview-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.preview-card {
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.preview-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.preview-card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.preview-card-summary {
  font-size: 0.97rem;
  line-height: 1.7;
  color: #374151;
  margin-bottom: 20px;
  flex: 1;
}

.btn-card-cta {
  display: inline-flex;
  align-items: center;
  color: var(--duke-bright-blue);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  min-height: 44px;
  transition: color 0.2s ease;
}

.btn-card-cta:hover {
  color: var(--duke-action-blue);
  text-decoration: underline;
}

/* ==========================================================================
   LARGE SERIF TYPOGRAPHY BLOCK QUOTE SECTION
   ========================================================================== */
.serif-quote-section {
  background-color: var(--duke-canvas);
  border-top: 1px solid var(--duke-border);
  border-bottom: 1px solid var(--duke-border);
  padding: 56px 24px;
  text-align: center;
  margin: 48px 0;
}

.serif-quote-container {
  max-width: 900px;
  margin: 0 auto;
}

.serif-quote-text {
  font-family: var(--font-serif);
  font-size: 2rem;
  line-height: 1.45;
  color: var(--duke-royal-blue);
  font-style: italic;
  margin-bottom: 20px;
}

.serif-quote-attribution {
  font-size: 1rem;
  font-weight: 600;
  color: var(--duke-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ==========================================================================
   3-COLUMN HORIZONTAL CONTENT CARDS
   ========================================================================== */
.triple-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.content-card-3 {
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}

.content-card-3-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.content-card-3-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* ==========================================================================
   STATISTICAL INDICATOR PANEL
   ========================================================================== */
.stats-panel-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  padding: 40px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  margin-bottom: 56px;
}

.stats-panel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 16px;
  border-right: 1px solid var(--duke-border);
}

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

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--duke-bright-blue);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--duke-charcoal);
  margin-bottom: 4px;
}

.stat-subtext {
  font-size: 0.82rem;
  color: var(--duke-muted);
}

/* ==========================================================================
   TESTIMONIAL PROFILE FRAME
   ========================================================================== */
.testimonial-section {
  background-color: var(--duke-royal-blue);
  color: #FFFFFF;
  border-radius: 8px;
  padding: 56px 40px;
  margin: 48px 0;
  box-shadow: 0 10px 24px rgba(0, 26, 87, 0.25);
}

.testimonial-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 36px;
}

.testimonial-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--duke-bright-blue);
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.65;
  color: #F3F4F6;
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-author {
  font-size: 1rem;
  font-weight: 700;
  color: #93C5FD;
}

.testimonial-role {
  font-size: 0.88rem;
  color: #CBD5E1;
}

/* ==========================================================================
   FUNDING STATEMENT & REINVESTMENT CLAUSE
   ========================================================================== */
.funding-statement-box {
  background-color: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-left: 4px solid var(--duke-bright-blue);
  padding: 24px 28px;
  border-radius: 6px;
  margin: 36px 0;
}

.funding-statement-box h3 {
  color: var(--duke-royal-blue);
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.funding-statement-box p {
  color: #1E3A8A;
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

.reinvestment-clause-highlight {
  background-color: #FFFFFF;
  border: 1px solid #93C5FD;
  padding: 14px 18px;
  border-radius: 4px;
  font-weight: 700;
  color: var(--duke-deep-navy);
  margin-top: 12px;
}

/* ==========================================================================
   ARTICLE & EDITORIAL PAGES STYLES
   ========================================================================== */
.article-header {
  margin-bottom: 36px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--duke-muted);
  margin-bottom: 16px;
}

.article-content {
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid var(--duke-border);
  padding: 44px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  line-height: 1.85;
  font-size: 1.05rem;
}

.article-content h2 {
  margin-top: 36px;
  margin-bottom: 16px;
}

.article-content h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-content ul, .article-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
}

.article-content li {
  margin-bottom: 8px;
}

.inline-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.inline-photo-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.inline-photo-grid.four-col {
  grid-template-columns: repeat(2, 1fr);
}

.inline-photo-item {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--duke-border);
}

.data-table-container {
  overflow-x: auto;
  margin: 28px 0;
}

.civic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.civic-table th {
  background-color: var(--duke-royal-blue);
  color: #FFFFFF;
  padding: 14px 18px;
  font-family: var(--font-serif);
  font-weight: 600;
}

.civic-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--duke-border);
}

.civic-table tr:nth-child(even) {
  background-color: #F9FAFB;
}

/* Civic form controls */
.civic-form-group {
  margin-bottom: 20px;
}

.civic-form-label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: var(--duke-charcoal);
}

.civic-form-input, .civic-form-textarea, .civic-form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--duke-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--duke-charcoal);
  background: #FFFFFF;
}

.civic-form-input:focus, .civic-form-textarea:focus, .civic-form-select:focus {
  outline: none;
  border-color: var(--duke-bright-blue);
  box-shadow: 0 0 0 3px rgba(0, 83, 155, 0.15);
}

/* ==========================================================================
   FOOTER (4 COLUMNS - DUKE ROYAL BLUE)
   ========================================================================== */
.portal-footer {
  background-color: var(--duke-royal-blue);
  color: #FFFFFF;
  margin-top: auto;
  border-top: 4px solid var(--duke-bright-blue);
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 0.9fr 1.3fr;
  gap: 36px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--duke-bright-blue);
}

.footer-col p {
  color: #D1D5DB;
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 12px;
}

.footer-sitemap-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.footer-sitemap-list a {
  color: #E5E7EB;
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-sitemap-list a:hover {
  color: #93C5FD;
  padding-left: 4px;
}

.footer-legal-compliance {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px;
  border-radius: 6px;
  font-size: 0.83rem;
  line-height: 1.6;
  color: #E5E7EB;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  background-color: var(--duke-deep-navy);
}

.footer-bottom-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #9CA3AF;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: #D1D5DB;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (STRICT REQUIREMENT)
   ========================================================================== */
@media (max-width: 992px) {
  .duke-split-grid {
    grid-template-columns: 1fr;
  }
  .preview-grid-4 {
    grid-template-columns: 1fr;
  }
  .triple-card-grid {
    grid-template-columns: 1fr;
  }
  .stats-panel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) {
    border-right: none;
  }
  .stat-item {
    margin-bottom: 20px;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
  .inline-photo-grid.three-col, .inline-photo-grid.four-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .utility-strip-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-header-container {
    height: auto;
    padding: 14px 20px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 0;
    gap: 4px;
  }
  .nav-menu.active {
    display: flex;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    padding: 4px 0 4px 16px;
    margin-top: 4px;
  }
  .dropdown-link {
    color: #E5E7EB;
  }
  .dropdown-link:hover {
    background-color: transparent;
    color: #93C5FD;
  }
  .hero-banner-frame {
    height: 440px;
  }
  .hero-overlay-card {
    position: relative;
    bottom: auto;
    left: auto;
    max-width: 100%;
    margin: 16px;
    padding: 24px;
  }
  .hero-overlay-card h1 {
    font-size: 1.6rem;
  }
  .stats-panel-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--duke-border);
    padding-bottom: 16px;
  }
  .testimonial-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-sitemap-list {
    grid-template-columns: 1fr;
  }
  .article-content {
    padding: 24px 18px;
  }
}