@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .section-heading,
  .system-row {
    grid-template-columns: 0.35fr 1fr 0.8fr 24px;
    gap: 28px;
  }

  .section-heading > div:nth-child(2) {
    grid-column: 2 / 4;
  }

  .section-intro {
    grid-column: 2 / 4;
  }

  .brain-band,
  .podcast-band,
  .newsletter-band {
    grid-template-columns: 1fr;
  }

  .brain-copy,
  .podcast-heading {
    max-width: 760px;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
    --header-h: 62px;
  }

  .site-header {
    top: 10px;
    left: 10px;
    right: 10px;
    padding: 0 8px 0 16px;
    border-radius: var(--r-sm);
  }

  .wordmark {
    font-size: 19px;
  }

  .menu-button {
    width: 46px;
    height: 46px;
  }

  .menu-overlay {
    padding-top: 100px;
  }

  .menu-overlay a {
    grid-template-columns: 42px 1fr;
    font-size: clamp(32px, 2.5rem, 42px);
  }

  .hero {
    min-height: 90dvh;
  }

  .hero-media {
    display: none;
  }

  .hero {
    background-position: 52% 50%;
  }

  .hero-ghost {
    top: 25%;
    right: -0.15em;
    font-size: clamp(130px, 11rem, 180px);
  }

  .hero-inner {
    padding-top: 112px;
    padding-bottom: 48px;
  }

  .hero h1 {
    margin-top: 12px;
    font-size: clamp(72px, 6rem, 96px);
  }

  .hero-statement {
    margin-top: 12px;
    font-size: clamp(27px, 2rem, 34px);
  }

  .hero-lower {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 42px;
  }

  .hero-lower > p {
    font-size: 15px;
  }

  .hero-actions {
    align-items: flex-start;
    gap: 14px 20px;
  }

  .hero-index {
    display: none;
  }

  .proof-strip {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 20px;
  }

  .proof-lead p {
    display: none;
  }

  .proof-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .proof-metrics div {
    padding-left: 12px;
  }

  .proof-metrics dt {
    font-size: clamp(22px, 1.8rem, 28px);
  }

  .proof-metrics dd {
    max-width: 12ch;
    font-size: 10px;
  }

  .section {
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .section-heading,
  .section-heading.compact {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-bottom: 56px;
  }

  .section-heading > div:nth-child(2),
  .section-intro {
    grid-column: auto;
  }

  .section-index {
    max-width: 180px;
  }

  .section-heading h2,
  .brain-copy h2,
  .podcast-heading h2,
  .contact-band h2,
  .newsletter-copy h2 {
    font-size: clamp(42px, 3.5rem, 58px);
  }

  .system-row {
    grid-template-columns: 56px 1fr 24px;
    gap: 16px;
    min-height: 0;
    padding: 30px 0;
  }

  .system-row > p {
    grid-column: 2 / 4;
  }

  .system-number {
    align-self: start;
    font-size: 38px;
  }

  .system-row h3 {
    font-size: 27px;
  }

  .brain-band,
  .podcast-band,
  .contact-band,
  .newsletter-band {
    grid-template-columns: 1fr;
    padding: 96px 20px;
  }

  .brain-panel {
    padding: 7px;
    border-radius: var(--r-md);
  }

  .panel-kpi {
    padding: 30px 18px 24px;
  }

  .panel-kpi strong {
    font-size: clamp(44px, 3.5rem, 58px);
  }

  .panel-command {
    grid-template-columns: 1fr auto;
  }

  .panel-command span:first-child {
    display: none;
  }

  .case-grid,
  .team-grid,
  .episode-grid {
    grid-template-columns: 1fr;
  }

  .case-card.case-wide {
    grid-row: auto;
  }

  .case-wide .case-media,
  .case-media {
    aspect-ratio: 4 / 3;
  }

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

  .person,
  .person-lead {
    aspect-ratio: 4 / 5;
  }

  .person div {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .person h3 {
    font-size: 21px;
  }

  .podcast-band {
    gap: 54px;
  }

  .episode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .episode span {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .episode em {
    display: none;
  }

  .contact-band {
    gap: 42px;
  }

  .newsletter-band {
    gap: 52px;
  }

  .newsletter-form {
    grid-template-columns: 1fr;
  }

  .newsletter-submit {
    width: max-content;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
    padding: 48px 20px;
  }

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

  .swatches button {
    min-height: 170px;
  }
}

@media (max-width: 390px) {
  .hero h1 {
    font-size: 68px;
  }

  .proof-metrics {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .proof-metrics div {
    padding: 0 0 14px;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-metrics dd {
    max-width: none;
  }

  .team-grid,
  .episode-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }
}

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

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

@media print {
  .site-header,
  .menu-overlay,
  .hero-media,
  .hero-actions,
  .podcast-band,
  .contact-band,
  .newsletter-band {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px;
  }

  .hero-inner,
  .section,
  .brain-band,
  .site-footer {
    padding: 28px;
  }

  .section,
  .brain-band {
    break-inside: avoid;
  }
}