@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr 340px;
    gap: 36px;
  }

  .metric-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .pipeline-board {
    grid-template-columns: repeat(5, minmax(175px, 1fr));
    overflow-x: auto;
  }

  .pipeline-stage {
    min-height: 270px;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .throughput-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 88px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-system {
    min-height: 390px;
  }

  .hero-orbit {
    height: 260px;
    margin-top: -4px;
    transform: scale(0.86);
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .split-heading > p {
    max-width: 700px;
  }

  .scenario-intro {
    display: grid;
    align-items: start;
  }

  .scenario-intro > p {
    max-width: 680px;
  }

  .principle-strip {
    grid-template-columns: 1fr;
  }

  .principle-strip article {
    min-height: 118px;
  }

  .principle-strip article + article {
    border-top: 1px solid #353944;
    border-left: 0;
  }

  .adaptation-layout,
  .resource-layout,
  .throughput-card {
    grid-template-columns: 1fr;
  }

  .adaptation-visual-card,
  .adaptation-copy {
    min-height: auto;
  }

  .adaptation-visual-card {
    min-height: 560px;
  }

  .preservation-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .federation-card > svg {
    min-width: 960px;
  }

  .federation-card {
    overflow-x: auto;
  }

  .federation-note {
    position: sticky;
    left: 0;
    min-width: min(100%, 900px);
  }

  .closing-section {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .closing-section .button {
    width: fit-content;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 82px;
  }

  .site-header {
    top: 8px;
    width: calc(100% - 16px);
    min-height: 58px;
    margin-top: 8px;
    border-radius: 18px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .runtime-pill {
    max-width: 145px;
    padding: 8px 10px;
    font-size: 0.66rem;
    line-height: 1.2;
  }

  .section,
  .hero,
  .principle-strip,
  .closing-section,
  .site-footer {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .section {
    padding-top: 88px;
  }

  .hero {
    padding-top: 72px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.8rem);
  }

  h2 {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-system {
    min-height: 360px;
    border-radius: 28px;
  }

  .hero-orbit {
    width: 280px;
    height: 250px;
    margin-left: 50%;
    transform: translateX(-50%) scale(0.78);
    transform-origin: top center;
  }

  .hero-system-copy {
    padding: 0 24px 26px;
  }

  .metric-row,
  .preservation-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 142px;
  }

  .workflow-shell {
    border-radius: 26px;
  }

  .scenario-toolbar {
    display: grid;
    padding-block: 14px;
  }

  .segmented-control {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
  }

  .scenario-button {
    padding-inline: 8px;
    font-size: 0.72rem;
  }

  .flow-toggle {
    width: 100%;
    justify-content: center;
  }

  .scenario-intro,
  .graph-footer {
    padding-inline: 18px;
  }

  .graph-frame {
    margin-inline: 8px;
    border-radius: 20px;
  }

  .workflow-graph {
    min-height: 710px;
  }

  .graph-footer {
    display: grid;
    min-height: 156px;
    padding-block: 18px;
  }

  .flow-progress {
    width: 100%;
  }

  .adaptation-visual-card {
    min-height: auto;
    padding: 0;
  }

  .adaptation-copy {
    padding: 20px;
  }

  .adaptation-ladder li {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .pipeline-board {
    grid-template-columns: 1fr;
    overflow: hidden;
  }

  .pipeline-stage {
    min-height: 220px;
  }

  .pipeline-stage + .pipeline-stage {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .pipeline-stage > p {
    min-height: auto;
  }

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

  .resource-authority {
    grid-column: span 2;
  }

  .federation-card > svg {
    min-height: 410px;
    min-width: 820px;
  }

  .federation-note {
    grid-template-columns: 1fr;
    gap: 8px;
    width: calc(100vw - 24px);
  }

  .throughput-card,
  .closing-section {
    padding: 30px 22px;
    border-radius: 28px;
  }

  .throughput-visual {
    padding: 18px;
  }

  .throughput-formula {
    grid-template-columns: 1fr;
  }

  .throughput-formula i {
    text-align: center;
  }

  .throughput-formula span {
    min-height: 88px;
  }

  .throughput-result {
    display: grid;
  }

  .phase-list article {
    grid-template-columns: 44px 1fr;
    gap: 12px;
    padding: 18px;
  }

  .phase-list em {
    grid-column: 2;
    width: fit-content;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: start;
    padding: 30px 0 44px;
  }

  .site-footer p {
    text-align: left;
  }

  .site-footer > a:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}