@media (max-width: 900px) {
  .site-shell {
    padding-right: 22px;
    padding-left: 22px;
  }
  .topbar {
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 40px;
  }
  .nav-cta {
    margin-left: 0;
  }
  .nav-links {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
  }
  .hero-section {
    min-height: auto;
    gap: 44px;
    padding-top: 26px;
  }
  .hero-product {
    padding-bottom: 0;
  }
  .hero-copy h1 {
    font-size: 3.25rem;
    gap: 12px;
    line-height: 1.14;
  }
  .product-mockup {
    min-height: auto;
    transform: none;
  }
  .mockup-body,
  .workflow-panel-view {
    grid-template-columns: 1fr;
  }
  .mockup-flow,
  .capability-matrix,
  .trust-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .split-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .capabilities-screen,
  .value-screen {
    min-height: auto;
    padding: 58px 0;
  }
  .value-spotlight {
    padding: 42px 28px;
  }
  .value-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .value-output-panel {
    min-height: auto;
  }
  .time-compress-visual {
    grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
  }
  .speed-table {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  section {
    margin-bottom: 96px;
    scroll-margin-top: 118px;
  }
  .visual-interlude {
    margin-bottom: 34px;
  }
  .topbar {
    top: 8px;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    margin-bottom: 34px;
    padding: 12px;
  }
  .brand {
    flex: 0 0 auto;
    gap: 8px;
    font-size: 0.9rem;
  }
  .nav-links {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: clamp(10px, 3vw, 16px);
    min-width: 0;
    padding-bottom: 0;
    overflow: visible;
    white-space: nowrap;
  }
  .nav-links a {
    font-size: clamp(0.7rem, 2.65vw, 0.82rem);
  }
  .nav-cta {
    display: none;
  }
  .section-heading h2,
  .outcome-copy h2 {
    font-size: 2.1rem;
  }
  .copy-line {
    display: block;
    overflow-wrap: anywhere;
  }
  .cta-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .cta-screen {
    min-height: auto;
  }
}
@media (max-width: 640px) {
  .site-shell {
    width: min(100%, 430px);
    margin: 0 auto;
    padding: 16px 16px 58px;
  }
  .hero-copy h1 {
    font-size: 2.15rem;
  }
  .hero-section {
    gap: 36px;
    margin-bottom: 92px;
    padding-top: 18px;
  }
  .hero-copy h1 {
    gap: 10px;
    margin-top: 20px;
    line-height: 1.16;
  }
  .hero-lead {
    margin-top: 28px;
    font-size: 1rem;
  }
  .hero-actions {
    margin-top: 32px;
  }
  .hero-security {
    margin-top: 30px;
  }
  .hero-actions,
  .outcome-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .button {
    width: 100%;
  }
  .mockup-sidebar,
  .mockup-main,
  .capability-matrix article,
  .panel-mini-ui,
  .workflow-panel-view,
  .script-slide,
  .outcome-section {
    padding: 22px;
  }
  .product-mockup {
    max-height: none;
  }
  .mockup-main {
    gap: 14px;
    padding: 18px;
  }
  .mockup-flow article {
    min-height: auto;
    padding: 18px;
  }
  .mockup-flow,
  .mockup-header-line,
  .mini-grid,
  .panel-insight-grid,
  .capability-matrix,
  .trust-cards,
  .workflow-tablist {
    grid-template-columns: 1fr;
  }
  .cta-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .value-spotlight {
    padding: 30px 20px;
  }
  .value-output-panel {
    padding: 22px;
  }
  .output-checks {
    grid-template-columns: 1fr;
  }
  .speed-row {
    gap: 8px;
  }
  .time-compress-visual {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .tc-caption {
    margin-bottom: 2px;
  }
  .tc-block {
    height: auto;
    min-width: 0;
    min-height: 110px;
    padding: 18px;
  }
  .tc-arrow {
    width: auto;
    height: 20px;
    min-height: 0;
    transform: rotate(90deg);
  }
  .tc-arrow span {
    width: 16px;
  }
  .tc-number {
    font-size: 2.5rem;
  }
  .tc-unit {
    font-size: 0.86rem;
  }
  .tc-desc {
    font-size: 0.62rem;
  }
}
@media (max-width: 460px) {
  .topbar {
    padding: 10px;
  }
  .brand {
    gap: 6px;
    font-size: 0;
  }
  .brand::after {
    content: "SE";
    font-size: 0.78rem;
    font-weight: 850;
  }
  .nav-links {
    gap: 8px;
  }
  .nav-links a {
    font-size: 0.68rem;
  }
  .section-heading h2,
  .outcome-copy h2 {
    font-size: 1.85rem;
  }
  .mockup-score {
    display: grid;
    gap: 10px;
  }
}