@media (max-width: 1120px) {
  :root {
    --gutter: 28px;
  }

  .hero-grid {
    gap: 44px;
    grid-template-columns: minmax(0, 1fr) 410px;
  }

  .hero h1 {
    font-size: clamp(3.7rem, 6.8vw, 5rem);
  }

  .proof-grid {
    grid-template-columns: 2.1fr repeat(3, 0.8fr);
  }

  .system-grid,
  .credibility-grid,
  .faq-layout {
    gap: 56px;
  }

  .offer-grid {
    gap: 22px;
  }

  .offer-card {
    padding-inline: 24px;
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 76px;
  }

  .site-header {
    height: 76px;
  }

  .brand {
    width: 172px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    z-index: 49;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    padding: 22px var(--gutter) 28px;
    border-bottom: 1px solid rgba(16, 42, 42, 0.14);
    background: var(--paper-bright);
    box-shadow: 0 18px 34px rgba(16, 42, 42, 0.08);
    flex-direction: column;
    gap: 0;
  }

  .site-header[data-open="true"] .nav-links {
    display: flex;
  }

  .nav-links > a:not(.button) {
    padding: 14px 0;
    border-bottom: 1px solid rgba(16, 42, 42, 0.12);
  }

  .nav-links .button {
    margin-top: 18px;
  }

  .hero-grid {
    min-height: 0;
    gap: 58px;
    grid-template-columns: 1fr;
    padding-block: 72px;
  }

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

  .hero-art {
    width: min(100%, 520px);
  }

  .proof-grid {
    gap: 24px;
    grid-template-columns: repeat(3, 1fr);
    padding-block: 34px;
  }

  .proof-audience {
    grid-column: 1 / -1;
    padding: 0 0 24px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .split-layout,
  .system-grid,
  .credibility-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .section-intro,
  .system-copy,
  .credibility-grid > div {
    max-width: 680px;
  }

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

  .offer-card,
  .offer-card-featured {
    min-height: 0;
  }

  .process-steps {
    gap: 26px;
    grid-template-columns: repeat(3, 1fr);
  }

  .process-steps::before {
    display: none;
  }

  .process-steps li {
    padding-top: 20px;
    border-top: 1px solid rgba(16, 42, 42, 0.16);
  }

  .process-steps li > span {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 700px) {
  :root {
    --gutter: 20px;
  }

  body {
    font-size: 15px;
  }

  .section {
    padding: 72px 0;
  }

  h2 {
    font-size: clamp(2rem, 9vw, 2.45rem);
    letter-spacing: -0.04em;
  }

  .eyebrow {
    margin-bottom: 22px;
    font-size: 0.61rem;
    letter-spacing: 0.11em;
  }

  .hero-grid {
    gap: 48px;
    padding-block: 58px 40px;
  }

  .hero h1 {
    margin-bottom: 36px;
    font-size: clamp(3.1rem, 13.2vw, 3.65rem);
    line-height: 0.98;
  }

  .hero h1 em {
    margin-top: 4px;
  }

  .lead {
    margin-bottom: 34px;
    font-size: 0.98rem;
    line-height: 1.62;
  }

  .actions {
    display: grid;
    gap: 12px;
  }

  .actions .button {
    width: 100%;
  }

  .text-link {
    justify-content: flex-start;
  }

  .hero-art {
    width: 100%;
    box-shadow: none;
  }

  .proof-grid {
    gap: 20px 12px;
    grid-template-columns: 1fr;
  }

  .proof-audience {
    grid-column: auto;
  }

  .proof-audience > p:last-child {
    font-size: 1.3rem;
  }

  .proof-item {
    display: grid;
    align-items: baseline;
    grid-template-columns: 1fr 1fr;
  }

  .split-layout,
  .system-grid,
  .credibility-grid,
  .faq-layout {
    gap: 48px;
  }

  .trigger-list li {
    gap: 14px;
    grid-template-columns: 34px 1fr;
    padding: 24px 0;
  }

  .trigger-list h3 {
    font-size: 1rem;
  }

  .system-copy h2 {
    font-size: clamp(2.35rem, 10vw, 2.8rem);
  }

  .system-layers article {
    min-height: 118px;
    padding: 22px 20px;
  }

  .system-layers article > span {
    position: static;
    margin-top: 12px;
    transform: none;
    font-size: 0.68rem;
  }

  .system-layers h3 {
    font-size: 1rem;
  }

  .engagements .section-lead {
    margin-bottom: 38px;
  }

  .offer-grid {
    gap: 28px;
  }

  .offer-card,
  .offer-card-featured {
    padding: 28px 22px 24px;
  }

  .offer-card h3 {
    font-size: 1.8rem;
  }

  .offer-card > p:not(.label):not(.offer-promise) {
    padding-top: 22px;
  }

  .offer-meta strong {
    font-size: 1.3rem;
  }

  .process h2 {
    margin-bottom: 38px;
  }

  .process-steps {
    display: block;
  }

  .process-steps li {
    display: grid;
    gap: 0 16px;
    grid-template-columns: 48px 1fr;
    padding: 18px 0;
  }

  .process-steps li > span {
    margin: 0;
    grid-row: 1 / 3;
  }

  .process-steps h3,
  .process-steps p {
    grid-column: 2;
  }

  .process-steps p {
    max-width: none;
  }

  .fit-card {
    padding: 26px 22px;
  }

  .faq-list summary {
    padding-block: 20px;
    font-size: 0.94rem;
  }

  .final-cta {
    padding: 58px 0;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-actions,
  .cta-grid .button {
    width: 100%;
  }

  .footer-grid {
    justify-items: start;
    grid-template-columns: 1fr;
  }

  .footer-grid img {
    width: 180px;
  }
}

@media (max-width: 390px) {
  .hero h1 {
    font-size: 3rem;
  }

  .offer-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}