/* ===== V3 MOBILE NAV SYSTEM ===== */

.mnv3-hamburger {
  display: none;
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 10010;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  -webkit-tap-highlight-color: transparent;
}
.mnv3-hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.mnv3-hamburger span:nth-child(1) { margin-bottom: 5px; }
.mnv3-hamburger span:nth-child(3) { margin-top: 5px; }
.mnv3-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mnv3-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.mnv3-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mnv3-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 18, 32, 0.98);
  z-index: 10000;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mnv3-overlay.open {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.mnv3-inner {
  width: 100%;
  max-width: 400px;
  padding: 100px 24px 60px;
}
.mnv3-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mnv3-item {
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mnv3-item:last-child { border-bottom: none; }
.mnv3-link {
  display: block;
  padding: 18px 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.2s ease;
}
.mnv3-link:hover, .mnv3-link:focus { color: #4CBA70; }
.mnv3-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s ease;
}
.mnv3-toggle:hover { color: #4CBA70; }
.mnv3-toggle .mnv3-chevron {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(255,255,255,0.5);
  border-bottom: 2px solid rgba(255,255,255,0.5);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  margin-left: 12px;
  flex-shrink: 0;
}
.mnv3-toggle.expanded .mnv3-chevron {
  transform: rotate(-135deg);
}
.mnv3-sub {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.mnv3-sub.open {
  max-height: 500px;
}
.mnv3-sub li a {
  display: block;
  padding: 12px 0 12px 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.2s ease;
}
.mnv3-sub li a:hover { color: #79ACF0; }
.mnv3-cta {
  display: inline-block;
  margin-top: 32px;
  padding: 16px 40px;
  background: linear-gradient(135deg, #4CBA70, #497BBE);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 50px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}
.mnv3-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(76,186,112,0.3);
}

/* Scroll lock on html */
html.mnv3-locked {
  overflow: hidden !important;
  height: 100% !important;
}
html.mnv3-locked body {
  overflow: hidden !important;
  height: 100% !important;
  touch-action: none;
}

/* ===== GLOBAL OVERFLOW FIX ===== */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
}
section, .hero, footer, .footer, main {
  max-width: 100vw !important;
}

/* ===== RESPONSIVE: 1024px ===== */
@media (max-width: 1024px) {
  .mnv3-hamburger {
    display: flex !important;
  }
  .nav-links {
    display: none !important;
    visibility: hidden !important;
  }
  .nav {
    padding: 0 20px !important;
  }
  section, .hero {
    padding-left: 24px !important;
    padding-right: 24px !important;
  }
  .dropdown-menu, .nav-dropdown .dropdown-menu {
    display: none !important;
  }
}

/* ===== RESPONSIVE: 768px ===== */
@media (max-width: 768px) {
  .mnv3-hamburger {
    top: 16px;
    right: 16px;
  }
  .nav {
    padding: 0 16px !important;
    height: 70px !important;
  }
  .nav.scrolled {
    height: 64px !important;
  }
  .nav-logo img {
    height: 32px !important;
  }

  /* Homepage: Optix */
  .optix-grid {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  .optix-section {
    padding: 64px 20px !important;
  }
  .optix-features {
    grid-template-columns: 1fr !important;
  }

  /* Homepage: Blog */
  .blog-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .blog-section {
    padding: 64px 20px !important;
  }

  /* Homepage: Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
  }

  /* Homepage: Results/flip */
  .results-grid, .flip-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Services overview: marketplace grid */
  .marketplace-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    padding: 0 !important;
    display: grid !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  .marketplace-grid > * {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Marketplace pages: service detail grids */
  .service-detail, .service-detail-grid, [class*="service-detail"] {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  .service-grid, [class*="service-grid"] {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* General grids */
  .values-grid, .team-grid, .story-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .features-grid, [class*="features-grid"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Metric/stat grids */
  .stat-grid, .metric-grid, [class*="stat-grid"], [class*="metric-grid"] {
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
  }

  /* Hero */
  .hero {
    padding: 120px 20px 60px !important;
    min-height: auto !important;
  }
  .hero h1 {
    font-size: 2rem !important;
    line-height: 1.2 !important;
  }
  .hero p {
    font-size: 1rem !important;
  }

  /* Section headings */
  .section-header h2, section h2 {
    font-size: 1.75rem !important;
    line-height: 1.3 !important;
  }

  /* Tab systems */
  .tab-buttons, .empathy-tabs, [class*="tab-"] {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }

  /* FAQ */
  .faq-section {
    padding: 64px 20px !important;
  }
  .faq-grid {
    grid-template-columns: 1fr !important;
  }

  /* CTA */
  .cta-section, [class*="cta-section"] {
    padding: 64px 20px !important;
  }

  /* Footer */
  .footer-grid, .footer-content {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
    text-align: center !important;
  }
  .footer, footer {
    padding: 48px 20px !important;
  }

  /* Images */
  img {
    max-width: 100% !important;
    height: auto !important;
  }

  /* Tables */
  table {
    display: block !important;
    overflow-x: auto !important;
  }

  /* Containers */
  .container, .nx-container, .explore-container, .rotate-wrapper, .carousel-track-wrapper, .faq-answer-inner, .filter-inner, .hero-inner, .mission-inner, .mnv3-inner, .stats-inner, .cta-inner, .empathy-inner, .testimonials-inner, .video-inner {
    max-width: 100% !important;
  }

  /* Insights grid */
  .insights-grid, .papers-grid, [class*="insights-grid"], [class*="papers-grid"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Contact form */
  .contact-grid, .form-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Logo carousel */
  .logo-carousel, [class*="logo-carousel"], [class*="logo-track"] {
    overflow: hidden !important;
  }
}

/* ===== RESPONSIVE: 480px ===== */
@media (max-width: 480px) {
  .stats-grid, .stat-grid, .metric-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .hero h1 {
    font-size: 1.6rem !important;
  }
  section, .hero {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  .mnv3-inner {
    padding: 90px 16px 40px;
  }
}

/* ===== PATCH: Marketplace grid overlap fix ===== */
@media (max-width: 1200px) {
  .marketplace-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
  }
  .marketplace-grid > *[style*="grid-column"] {
    grid-column: span 2 !important;
  }
}
@media (max-width: 1024px) {
  .marketplace-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .marketplace-grid > * {
    grid-column: span 1 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .marketplace-card.wide {
    grid-column: span 1 !important;
    grid-template-columns: 1fr !important;
  }
}

/* ===== PATCH: Stats grid responsive fix ===== */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
  }
}
@media (max-width: 768px) {
  .stats-grid, .stat-grid, .metric-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .stat-item {
    padding: 24px 16px !important;
    min-width: 0 !important;
    overflow: hidden !important;
  }
  .stat-number {
    font-size: clamp(1.4rem, 5vw, 1.8rem) !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
}

/* ===== PATCH: Case study grid fix ===== */
@media (max-width: 1024px) {
  .case-grid {
    grid-template-columns: 1fr !important;
    max-width: 100% !important;
    gap: 24px !important;
  }
}

/* ===== PATCH: Hamburger extra reinforcement ===== */
@media (max-width: 1024px) {
  .mnv3-hamburger {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    z-index: 10010 !important;
    width: 48px !important;
    height: 48px !important;
    background: rgba(21, 34, 56, 0.95) !important;
    border: none !important;
    border-radius: 10px !important;
    cursor: pointer !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0 !important;
    padding: 12px !important;
    backdrop-filter: blur(10px) !important;
  }
  .mnv3-hamburger span {
    display: block !important;
    width: 22px !important;
    height: 2px !important;
    background: white !important;
    border-radius: 2px !important;
    transition: all 0.3s !important;
  }
  .nav-links {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    pointer-events: none !important;
  }
  .nav-cta, .nav-links .nav-cta, a.nav-cta {
    display: none !important;
  }
  .dropdown-menu, .nav-dropdown .dropdown-menu {
    display: none !important;
  }
}
@media (max-width: 768px) {
  .mnv3-hamburger {
    top: 16px !important;
    right: 16px !important;
    width: 44px !important;
    height: 44px !important;
  }
}

/* ===== PATCH: Ensure sections don't clip children ===== */
section {
  overflow: visible;
}
@media (max-width: 1024px) {
  section {
    overflow: visible !important;
  }
  .marketplace-section,
  section:has(.marketplace-grid) {
    overflow: visible !important;
    min-height: auto !important;
    height: auto !important;
  }
}