@media (max-width: 820px) {
  .site-nav {
    min-height: 66px;
    width: min(100% - 28px, 1180px);
    position: relative;
  }
  .nav-toggle {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid #3c5476;
    background: transparent;
  }
  .hamburger,
  .hamburger::before,
  .hamburger::after {
    display: block;
    width: 19px;
    height: 2px;
    border-radius: 2px;
    background: #e4effe;
    transition: transform 0.2s ease;
  }
  .hamburger {
    position: relative;
  }
  .hamburger::before,
  .hamburger::after {
    content: "";
    position: absolute;
    left: 0;
  }
  .hamburger::before {
    top: -6px;
  }
  .hamburger::after {
    top: 6px;
  }
  .nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
  }
  .nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-6px) rotate(-45deg);
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #0c1422;
    box-shadow: var(--shadow);
  }
  .nav-links.open {
    display: grid;
  }
  .nav-links a {
    padding: 11px 12px;
    border-radius: 8px;
    font-size: 1rem;
  }
  .nav-links .nav-cta {
    margin-top: 4px;
    text-align: center;
  }
  .nav-group {
    position: static;
  }
  .nav-group summary {
    padding: 11px 12px;
    font-size: 1rem;
  }
  .nav-flyout {
    position: static;
    min-width: 0;
    margin: 2px 0 4px;
    padding: 3px 0 3px 12px;
    border: 0;
    border-left: 1px solid #31435d;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
  .nav-flyout a {
    padding: 8px 12px;
    font-size: 0.94rem;
  }
  .hero {
    padding: 67px 0 60px;
  }
  .layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .aside {
    position: static;
    order: -1;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .tool-frame {
    height: 820px;
  }
  .universal-tool-frame {
    height: 1370px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.55rem;
  }
  .tool-frame {
    height: 855px;
  }
  .content {
    min-width: 0;
  }
  .content img,
  .content iframe,
  .tool-frame {
    max-width: 100%;
  }
  .button,
  .nav-cta {
    max-width: 100%;
    white-space: normal;
    text-align: center;
  }
}