/* Mobile First Responsive Adjustments */

@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.625rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
}

@media (max-width: 768px) {
  :root {
    --text-6xl: 2.25rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.25rem;
  }

  .section-padding {
    padding-top: var(--spacing-12);
    padding-bottom: var(--spacing-12);
  }

  /* Hamburger Menu Toggle */
  .menu-toggle {
    display: block;
    z-index: 1002;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-dark-100);
    border-left: 1px solid var(--border-light);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-24) var(--spacing-8) var(--spacing-8);
    transition: right var(--transition-normal);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    font-size: var(--text-lg);
    padding: var(--spacing-3) 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  /* Mega Menu on Mobile (Accordion / Sublist behavior) */
  .mega-menu {
    position: static;
    transform: none;
    width: 100%;
    grid-template-columns: 1fr;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--primary);
    background: transparent;
    padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-4);
    opacity: 1;
    visibility: visible;
    display: none; /* Controlled by toggle JS */
  }

  .nav-item.active .mega-menu {
    display: block;
  }

  .mega-column {
    margin-bottom: var(--spacing-4);
  }

  .mega-column:last-child {
    margin-bottom: 0;
  }

  /* Grid Reductions */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }

  /* Footer Reductions */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  /* Accessibility Bar on Mobile */
  .accessibility-bar {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
}