@media (max-width: 1080px) {
  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

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

  .hero-copy {
    max-width: 780px;
  }

  .artifact-stage {
    width: min(720px, 100%);
    margin-inline: auto;
  }

  .intro-copy {
    margin-left: 0;
  }

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

  .player-panel {
    grid-template-columns: 1fr;
    gap: 54px;
    padding: 80px 60px;
  }

  .grower-grid,
  .privacy-grid {
    gap: 60px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 30px), 620px);
  }

  .site-header {
    position: static;
  }

  .nav-shell {
    min-height: 66px;
    gap: 12px;
  }

  .brand-by {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 64px 74px;
  }

  h1 {
    font-size: clamp(58px, 18vw, 88px);
  }

  .hero-lead {
    font-size: 20px;
  }

  .button {
    width: 100%;
    justify-content: space-between;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-proof li:not(:first-child)::before {
    margin-right: 12px;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 12px;
  }

  .hero-proof li:last-child {
    grid-column: 1 / -1;
  }

  .artifact-stage {
    min-height: 520px;
    transform: scale(0.86);
    transform-origin: top center;
    margin-bottom: -70px;
  }

  .tdf-file {
    right: 5%;
  }

  .player-window {
    right: 0;
    width: 520px;
  }

  .orbit-one {
    right: -100px;
  }

  .hero-rule-inner {
    min-height: 62px;
    justify-content: center;
    text-align: center;
  }

  .hero-rule-inner span {
    display: none;
  }

  .section {
    padding-block: 88px;
  }

  .section-player {
    padding-block: 0;
  }

  .section-heading h2,
  .collections-heading h2,
  .grower-copy h2,
  .privacy-grid h2,
  .faq-grid h2,
  .legal-hero h1 {
    font-size: clamp(43px, 13vw, 63px);
  }

  .split-heading,
  .intro-copy,
  .collections-heading,
  .grower-grid,
  .privacy-grid,
  .faq-grid,
  .footer-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .split-heading,
  .collections-heading,
  .grower-grid,
  .privacy-grid,
  .faq-grid,
  .footer-grid,
  .legal-layout {
    gap: 38px;
  }

  .intro-copy {
    gap: 24px;
    margin: 40px 0 60px;
  }

  .outcome-rail {
    grid-template-columns: 1fr 1fr;
  }

  .outcome-rail article {
    min-height: 230px;
    border-bottom: 1px solid var(--line);
  }

  .outcome-rail article:nth-child(2) {
    border-right: 0;
  }

  .outcome-rail article:first-child {
    padding-left: 24px;
  }

  .outcome-number {
    margin-bottom: 38px;
  }

  .problem-list,
  .collection-grid {
    grid-template-columns: 1fr;
  }

  .problem,
  .problem:nth-child(even) {
    min-height: 170px;
    padding: 25px 0;
    border-right: 0;
  }

  .collection-grid {
    gap: 58px;
  }

  .collection-cover {
    aspect-ratio: 5 / 5.8;
  }

  .player-panel {
    width: 100%;
    padding: 70px 24px;
  }

  .download-card {
    grid-template-columns: 44px 1fr;
    padding-block: 22px;
  }

  .download-links {
    grid-column: 2;
    align-items: flex-start;
  }

  .download-footnote,
  .feature-ledger article,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .grower-copy {
    position: static;
  }

  .feature-ledger article {
    gap: 8px;
  }

  .feature-ledger article > span {
    margin-bottom: 10px;
  }

  .closing-inner {
    min-height: 650px;
    display: block;
    padding-block: 90px;
  }

  .closing-mark {
    position: absolute;
    bottom: 40px;
    left: 0;
  }

  .footer-links {
    gap: 34px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .legal-hero {
    padding-block: 72px 54px;
  }

  .legal-layout {
    padding-block: 54px 90px;
  }

  .page-toc {
    position: static;
    display: none;
  }

  .data-table {
    display: block;
    overflow-x: auto;
  }

  .download-page-grid {
    grid-template-columns: 1fr;
  }
}

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

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