@media (max-width: 980px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

  .site-header {
    justify-content: space-between;
  }

  .menu-button {
    display: grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 0;
    border-radius: 9px;
    background: transparent;
  }

  .menu-button span {
    width: 22px;
    height: 2px;
    border-radius: 99px;
    background: var(--foreground);
  }

  .mobile-nav {
    position: absolute;
    top: 80px;
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    gap: 14px;
    padding: 0 30px;
    border-bottom: 1px solid var(--border);
    background: #fff;
    transition:
      max-height 200ms ease,
      padding 200ms ease;
  }

  .mobile-nav.open {
    max-height: calc(100vh - 80px);
    padding-top: 20px;
    padding-bottom: 28px;
  }

  .about-grid,
  .solution-card,
  .impact-panel,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .news-grid,
  .dark-cards,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .solution-media {
    min-height: 360px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 30px, 1198px);
  }

  .site-header {
    height: 70px;
    padding: 0 18px;
  }

  .brand img {
    width: 104px;
  }

  .mobile-nav {
    top: 70px;
  }

  .hero {
    min-height: 760px;
    padding-top: 70px;
  }

  .hero-content {
    padding: 70px 0 110px;
  }

  .pill {
    margin-bottom: 24px;
    font-size: 13px;
  }

  .hero h1 {
    font-size: 41px;
  }

  .hero p {
    font-size: 18px;
  }

  .hero-actions,
  .cta-card div {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 72px 0;
  }

  .feature-grid,
  .solution-list,
  .news-grid,
  .dark-cards,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    justify-items: start;
  }

  .metrics div {
    text-align: left;
  }

  .metrics div + div {
    border-left: 0;
    padding-left: 0;
  }

  .solution-copy,
  .contact-form,
  .impact-panel {
    padding: 26px;
  }

  .hub-head,
  .footer-bottom {
    display: grid;
  }

  .cta-card {
    padding: 42px 22px;
    border-radius: 18px;
  }
}