@media (width <= 760px) {
  :root {
    --mobile-pad: 18px;
  }

  body {
    font-size: 15px;
  }

  .site-header {
    position: sticky;
  }

  .nav-shell {
    min-height: 64px;
    padding-inline: var(--mobile-pad);
  }

  .brand-link {
    width: 150px;
  }

  .mobile-menu nav {
    top: 62px;
    right: 10px;
    max-height: calc(100vh - 82px);
    overflow-y: auto;
  }

  .home-hero,
  .page-hero,
  .guide-hero {
    min-height: auto;
  }

  .hero-copy,
  .page-hero-inner,
  .article-header,
  .guide-hero-copy {
    padding: 36px var(--mobile-pad) 34px;
  }

  .hero-copy h1,
  .page-hero h1,
  .article-header h1,
  .guide-hero h1 {
    max-width: 100%;
    font-size: clamp(2.55rem, 12vw, 3.65rem);
    letter-spacing: -0.055em;
    line-height: 1.02;
  }

  .hero-lead,
  .page-lead,
  .article-deck,
  .guide-hero .page-lead {
    margin-top: 18px;
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .home-link {
    margin-bottom: 22px;
  }

  .eyebrow {
    margin-bottom: 14px;
    font-size: 0.68rem;
  }

  .section,
  .content-section,
  .archive-shell,
  .contact-layout,
  .article-layout,
  .process-section,
  .guide-intro,
  .guide-decision {
    padding: 46px var(--mobile-pad);
  }

  .content-section.alt {
    padding-left: var(--mobile-pad);
    padding-right: var(--mobile-pad);
  }

  .section-heading,
  .content-heading {
    gap: 18px;
    margin-bottom: 24px;
  }

  .intro-heading h2,
  .section-heading h2,
  .feature-copy h2,
  .consultation-cta h2,
  .content-heading h2,
  .process-section h2,
  .article-body h2,
  .guide-intro h2,
  .guide-decision h2,
  .detail-copy h2,
  .selection-section h2 {
    font-size: clamp(1.8rem, 8vw, 2.45rem);
    letter-spacing: -0.04em;
  }

  .solution-grid,
  .product-card-grid,
  .balanced-product-grid,
  .capability-grid,
  .use-case-grid,
  .faq-grid,
  .project-grid,
  .insight-grid,
  .value-grid,
  .process-grid,
  .project-page-grid {
    grid-template-columns: 1fr !important;
    gap: 14px;
  }

  .solution-card,
  .product-card,
  .capability-card,
  .use-case,
  .project-card,
  .value-card,
  .faq-item {
    border-radius: 14px;
  }

  .solution-card {
    min-height: auto;
    padding: 20px;
  }

  .solution-card h3,
  .product-card h2,
  .capability-card h3,
  .project-content h3 {
    font-size: 1.08rem;
    line-height: 1.28;
  }

  .solution-card-image,
  .product-card-image,
  .capability-card-image,
  .project-photo {
    border-radius: 12px;
  }

  .feature-split {
    display: block;
  }

  .guide-hero {
    display: block;
  }

  .guide-hero-visual {
    margin: 0 var(--mobile-pad) 26px;
  }

  .guide-hero-visual img,
  .product-hero-visual img {
    max-height: 260px;
    object-fit: cover;
  }

  .guide-hero-visual figcaption,
  .product-hero-visual figcaption,
  .article-visual figcaption {
    position: static !important;
    margin-top: 10px;
    padding: 0;
    background: transparent;
    color: rgba(7, 26, 61, 0.72);
    font-size: 0.76rem;
    line-height: 1.55;
  }

  .jump-nav {
    display: none !important;
  }

  .product-finder {
    display: none !important;
  }

  .detail-section,
  .selection-section {
    padding: 28px var(--mobile-pad) !important;
  }

  .detail-layout,
  .selection-section {
    display: block !important;
  }

  .detail-copy,
  .selection-section > div:first-child {
    padding: 0 !important;
  }

  .category-product-photo {
    aspect-ratio: 16 / 10;
    border-radius: 14px;
    max-height: 230px;
    object-fit: cover;
    width: 100%;
  }

  .selection-checks,
  .detail-checks,
  .decision-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
    margin-top: 18px;
  }

  .selection-checks article,
  .detail-checks article,
  .decision-grid article {
    padding: 15px !important;
  }

  .feature-copy,
  .feature-visual,
  .campus-map {
    min-height: auto;
    padding: 46px var(--mobile-pad);
  }

  .school-feature .feature-copy {
    order: initial;
  }

  .campus-map {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .consultation-cta {
    padding: 42px var(--mobile-pad) 88px;
    gap: 24px;
  }

  .button {
    min-height: 48px;
    border-radius: 10px;
  }

  .article-body > p,
  .content-heading > p,
  .section-heading > p,
  .feature-copy > p:not(.eyebrow) {
    line-height: 1.72;
  }

  .article-body h2 {
    margin-top: 38px;
    scroll-margin-top: 96px;
  }

  .article-visual {
    min-height: auto;
    padding: 34px var(--mobile-pad);
  }

  .visual-topic-grid div {
    min-height: 96px;
  }

  .site-footer {
    padding: 46px var(--mobile-pad) 92px;
  }

  .footer-base {
    margin-top: 34px;
  }

  .ai-launcher {
    right: 14px;
    bottom: 70px;
    padding: 0;
    border-radius: 16px;
    background: transparent;
    border-color: transparent;
    box-shadow: none;
  }

  .ai-launcher-robot {
    width: 58px;
    height: auto;
  }

  .mobile-page-helper {
    display: block;
    margin: 0 var(--mobile-pad) 22px;
    border: 1px solid rgba(7, 26, 61, 0.14);
    border-radius: 14px;
    background: #fffefa;
    box-shadow: 0 12px 28px rgba(7, 26, 61, 0.08);
    overflow: hidden;
  }

  .mobile-page-helper summary {
    cursor: pointer;
    list-style: none;
    padding: 14px 16px;
    color: var(--ink);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-page-helper summary::-webkit-details-marker {
    display: none;
  }

  .mobile-page-helper summary::after {
    content: "+";
    color: var(--blue);
    font-size: 1.1rem;
  }

  .mobile-page-helper[open] summary::after {
    content: "-";
  }

  .mobile-page-helper nav {
    display: grid;
    gap: 8px;
    padding: 0 12px 14px;
  }

  .mobile-page-helper a {
    display: flex;
    min-height: 42px;
    align-items: center;
    padding: 9px 12px;
    border-radius: 10px;
    background: rgba(18, 103, 243, 0.08);
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 700;
  }

  .mobile-grid-toggle {
    display: inline-flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
    border: 1px solid rgba(18, 103, 243, 0.35);
    border-radius: 10px;
    color: var(--blue);
    background: #fff;
    font-weight: 800;
  }

  .mobile-collapsible-grid.is-collapsed > :nth-child(n + 7) {
    display: none !important;
  }

  .mobile-action-bar {
    position: fixed;
    z-index: 110;
    left: 10px;
    right: 10px;
    bottom: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr 0.72fr;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 16px;
    background: rgba(3, 19, 46, 0.9);
    backdrop-filter: blur(14px);
    box-shadow: 0 18px 48px rgba(7, 26, 61, 0.35);
  }

  .mobile-action-bar a,
  .mobile-action-bar button {
    min-height: 42px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-action-bar a:first-child {
    background: var(--blue);
  }
}

@media (width > 760px) {
  .mobile-page-helper,
  .mobile-grid-toggle,
  .mobile-action-bar,
  .product-finder {
    display: none !important;
  }
}