/* ==========================================================================
   BIBLIOTHEQUE DE COULOMBS - Pure CSS Architecture
   Association Loi 1901 à but non lucratif
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Brand Tokens & Color Palette */
  --top-bar-orange: #E64A19;
  --header-navy: #0A4260;
  --header-navy-hover: #073046;
  --action-teal: #0082AD;
  --action-teal-hover: #00688B;
  --magenta-accent: #C2185B;
  --magenta-hover: #9C1045;
  --lawn-green: #2E7D32;
  --lawn-green-hover: #1B5E20;
  --alert-red: #D32F2F;
  --alert-red-hover: #B71C1C;
  
  /* Neutrals */
  --text-heading: #0F172A;
  --text-body: #475569;
  --text-muted: #64748B;
  --bg-white: #FFFFFF;
  --bg-soft-green: #F0FDF4;
  --bg-light-slate: #F8FAFC;
  --border-subtle: #E2E8F0;
  --border-accent: #CBD5E1;
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout & Radii */
  --max-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-leaf: 20px 80px 20px 80px;
  --radius-pill: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
  --transition-default: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; margin-bottom: 1.25rem; }
h2 { font-size: 2.1rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1.25rem;
  max-width: 75ch;
}

a {
  color: var(--action-teal);
  text-decoration: none;
  transition: var(--transition-default);
}

a:hover {
  color: var(--action-teal-hover);
}

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

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

/* --------------------------------------------------------------------------
   TOP UTILITY BAR
   -------------------------------------------------------------------------- */
.top-utility-bar {
  background-color: var(--top-bar-orange);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 0;
}

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

.top-bar-notice {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar-notice span.badge-pill {
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
}

.top-bar-links a {
  color: #FFFFFF;
  opacity: 0.95;
  font-size: 0.85rem;
}

.top-bar-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   MAIN HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--header-navy);
  color: #FFFFFF;
  position: relative;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #FFFFFF;
}

.brand-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--action-teal), var(--lawn-green));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  line-height: 1.15;
}

.brand-tagline {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Desktop Navigation Menu */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: rgba(255, 255, 255, 0.92);
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition-default);
  min-height: 44px;
}

.nav-link:hover, .nav-item:focus-within .nav-link {
  background-color: var(--header-navy-hover);
  color: #FFFFFF;
}

.nav-arrow {
  font-size: 0.7rem;
  transition: transform 0.2s ease;
}

.nav-item:hover .nav-arrow {
  transform: translateY(2px);
}

/* Dropdown styling */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #FFFFFF;
  min-width: 260px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border-subtle);
  z-index: 200;
}

.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(--text-heading);
  font-weight: 500;
  font-size: 0.92rem;
  transition: var(--transition-default);
}

.dropdown-link:hover {
  background-color: var(--bg-light-slate);
  color: var(--action-teal);
  padding-left: 24px;
}

/* Mobile Menu Toggle */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.75rem;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   3-BUTTON STICKY ACTION STRIP
   -------------------------------------------------------------------------- */
.sticky-action-strip {
  background-color: #062333;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.action-strip-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.strip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  color: #FFFFFF;
  text-decoration: none;
  transition: var(--transition-default);
  min-height: 44px;
  white-space: nowrap;
}

.strip-btn-teal {
  background-color: var(--action-teal);
}
.strip-btn-teal:hover {
  background-color: var(--action-teal-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.strip-btn-magenta {
  background-color: var(--magenta-accent);
}
.strip-btn-magenta:hover {
  background-color: var(--magenta-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.strip-btn-green {
  background-color: var(--lawn-green);
}
.strip-btn-green:hover {
  background-color: var(--lawn-green-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   ORGANIC LEAF CARDS & MEDIA FRAMING
   -------------------------------------------------------------------------- */
.media-card-leaf {
  border-radius: var(--radius-leaf);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  background-color: var(--bg-light-slate);
}

.media-card-leaf img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.media-card-leaf:hover img {
  transform: scale(1.03);
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 60px 0 80px 0;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background-color: #E0F2FE;
  color: var(--action-teal);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: 3rem;
  line-height: 1.15;
  color: var(--header-navy);
  margin-bottom: 18px;
}

.hero-summary-2-sentences {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--text-heading);
  font-weight: 500;
  margin-bottom: 24px;
  border-left: 4px solid var(--top-bar-orange);
  padding-left: 18px;
}

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

.btn-primary-alert {
  background-color: var(--alert-red);
  color: #FFFFFF;
  font-weight: 700;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-default);
}

.btn-primary-alert:hover {
  background-color: var(--alert-red-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.35);
}

.btn-secondary-teal {
  background-color: #FFFFFF;
  border: 2px solid var(--action-teal);
  color: var(--action-teal);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-default);
}

.btn-secondary-teal:hover {
  background-color: var(--action-teal);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   MANDATORY 'NOTRE MISSION' 120-150 WORD STANDALONE CARD
   -------------------------------------------------------------------------- */
.notre-mission-card {
  background: #FFFFFF;
  border: 2px solid var(--lawn-green);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  margin: 40px 0;
  position: relative;
}

.notre-mission-card::before {
  content: "Notre Engagement Associatif";
  position: absolute;
  top: -14px;
  left: 28px;
  background-color: var(--lawn-green);
  color: #FFFFFF;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.notre-mission-title {
  font-size: 1.65rem;
  color: var(--header-navy);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.notre-mission-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-heading);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   STATISTICS & METRIC COUNTERS
   -------------------------------------------------------------------------- */
.metrics-section {
  background-color: var(--bg-soft-green);
  padding: 60px 0;
  border-top: 1px solid #DCFCE7;
  border-bottom: 1px solid #DCFCE7;
}

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

.metric-item {
  background: #FFFFFF;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--header-navy);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   CONTENT SECTIONS & FEATURE BLOCKS
   -------------------------------------------------------------------------- */
.content-section {
  padding: 70px 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.section-badge {
  display: inline-block;
  background-color: #E2F1F8;
  color: var(--action-teal);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.35rem;
  color: var(--header-navy);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-body);
  margin: 0 auto;
}

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

.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-default);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--action-teal);
}

.feature-box-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.icon-teal { background-color: #E0F2FE; color: var(--action-teal); }
.icon-green { background-color: #DCFCE7; color: var(--lawn-green); }
.icon-magenta { background-color: #FCE7F3; color: var(--magenta-accent); }
.icon-orange { background-color: #FFEDD5; color: var(--top-bar-orange); }

/* News & Articles Preview Cards */
.article-preview-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition-default);
}

.article-preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.article-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
}

.article-title {
  font-size: 1.3rem;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--header-navy);
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--text-body);
  flex: 1;
  margin-bottom: 18px;
}

.read-more-link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--action-teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more-link:hover {
  color: var(--action-teal-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: #FFFFFF;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--header-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  min-height: 52px;
}

.faq-question:hover {
  background-color: var(--bg-light-slate);
}

.faq-toggle-icon {
  font-size: 1.25rem;
  color: var(--action-teal);
  transition: transform 0.2s ease;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.65;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

/* --------------------------------------------------------------------------
   FORMS & INTERACTIVE CONTROLS
   -------------------------------------------------------------------------- */
.form-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-heading);
  background-color: #FFFFFF;
  transition: var(--transition-default);
}

.form-control:focus {
  outline: none;
  border-color: var(--action-teal);
  box-shadow: 0 0 0 3px rgba(0, 130, 173, 0.18);
}

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

.btn-submit {
  background-color: var(--action-teal);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition-default);
  min-height: 48px;
}

.btn-submit:hover {
  background-color: var(--action-teal-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  transform: scale(0.92);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-dialog {
  transform: scale(1);
}

.modal-icon-wrap {
  width: 68px;
  height: 68px;
  background-color: #DCFCE7;
  color: var(--lawn-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 20px auto;
}

.modal-title {
  font-size: 1.6rem;
  color: var(--header-navy);
  margin-bottom: 12px;
}

.modal-body-text {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 24px;
}

.btn-modal-close {
  background-color: var(--header-navy);
  color: #FFFFFF;
  border: none;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  min-height: 44px;
}

/* --------------------------------------------------------------------------
   FOOTER ARCHITECTURE
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #051A26;
  color: #CBD5E1;
  padding-top: 60px;
  border-top: 4px solid var(--top-bar-orange);
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
}

.footer-col-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background-color: var(--action-teal);
  margin-top: 8px;
  border-radius: 2px;
}

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

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

.footer-links a {
  color: #CBD5E1;
  transition: var(--transition-default);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-right: 8px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: #FFFFFF;
}

.footer-mandatory-legal-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0 24px 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #94A3B8;
}

.footer-bottom-bar {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #94A3B8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (BREAKPOINTS)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .two-col-grid {
    grid-template-columns: 1fr;
  }
  
  .three-col-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  
  .mobile-toggle-btn {
    display: flex;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--header-navy);
    padding: 20px;
    box-shadow: var(--shadow-lg);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: none;
    border: none;
    margin-left: 16px;
    margin-top: 6px;
  }
  
  .dropdown-link {
    color: #FFFFFF;
    padding: 8px 12px;
  }
  
  .dropdown-link:hover {
    background-color: transparent;
    color: #38BDF8;
  }
}

@media (max-width: 768px) {
  .top-bar-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .hero-title {
    font-size: 1.9rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  .action-strip-content {
    flex-direction: column;
    align-items: stretch;
  }
  
  .strip-btn {
    width: 100%;
  }
}