/* ==========================================================================
   MUDODO CHAIN — RESPONSIVE STYLESHEET
   Mobile navigation, drawer, breakpoints for phone/tablet/desktop
   ========================================================================== */

/* Tablet & Mobile Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    max-width: 550px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.35rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Site header elevation on mobile */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 10000;
  }
  .site-header.mobile-menu-open {
    z-index: 9999999 !important;
  }

  /* Body scroll lock when mobile navigation is open */
  body.mobile-nav-locked,
  html.mobile-nav-locked {
    overflow: hidden !important;
    height: 100% !important;
    touch-action: none;
    -webkit-overflow-scrolling: auto;
  }

  /* Mobile Navigation Menu Toggle Button */
  .mobile-nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.4rem;
    z-index: 10000000 !important;
    position: relative;
    cursor: pointer;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
  }

  /* Mobile Navigation Drawer: Pops up on TOP OF EVERYTHING */
  .nav-links {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    background: var(--bg-primary) !important; /* 100% solid, fully opaque so NO page words bleed through */
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 5.25rem 1.25rem 2.5rem 1.25rem !important;
    gap: 0.75rem !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.28s !important;
    z-index: 9999998 !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.95) !important;
  }

  .nav-links.open {
    transform: translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .nav-link {
    padding: 0.95rem 1.25rem !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    border-radius: var(--radius-md) !important;
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-subtle) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    color: var(--text-primary) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
  }

  .nav-link::after {
    content: "›";
    font-size: 1.4rem;
    color: var(--text-muted);
    font-weight: 400;
  }

  .nav-link:hover,
  .nav-link:active,
  .nav-link.active {
    background: var(--brand-cyan-light) !important;
    border-color: var(--brand-cyan) !important;
    color: var(--brand-cyan) !important;
  }

  .nav-link.active::after {
    color: var(--brand-cyan);
  }

  /* Dedicated Mobile Drawer Auth Card & Info */
  .mobile-nav-auth-card {
    margin-top: 1rem;
    padding: 1.15rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: var(--shadow-sm);
  }

  .mobile-nav-auth-card .user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .mobile-nav-auth-card .balance-badge {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.825rem;
    font-weight: 600;
  }

  .chart-canvas-wrap {
    height: 280px;
  }

  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .market-table th, .market-table td {
    padding: 0.65rem 0.75rem;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.95rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .container {
    padding: 0 1rem;
  }
}