@media (max-width: 1040px) {
  .header-inner {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    order: 3;
  }

  .site-nav {
    position: absolute;
    top: calc(var(--header-height) - 1px);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(6, 18, 14, 0.96);
    box-shadow: var(--shadow-soft);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: var(--space-3);
  }

  .site-nav a::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hero-grid,
  .build-grid,
  .newsletter-grid {
    grid-template-columns: 1fr;
  }

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

  .tool-card--featured {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .section {
    padding-block: var(--space-7);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-text {
    font-size: 1rem;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 4rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  .tool-card button,
  .dialog-close {
    width: 100%;
  }

  .system-preview,
  .newsletter-panel,
  .error-card {
    padding: var(--space-5);
  }

  .preview-header,
  .preview-facts,
  .process-flow,
  .pillar-grid,
  .tool-grid,
  .product-process,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .preview-header {
    display: grid;
  }

  .module-strip {
    grid-template-columns: repeat(7, minmax(22px, 1fr));
  }

  .module-strip span {
    height: 54px;
  }

  .tool-card {
    min-height: auto;
  }

  .tool-dialog {
    width: 100%;
    max-height: 82svh;
    margin: auto 0 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .tool-dialog-panel {
    padding: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal,
  .js .reveal {
    transform: none;
    opacity: 1;
  }
}