@media (max-width: 800px) {
  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero__grid,
  .about-grid,
  .process-grid,
  .contact-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 58px;
  }

  .hero__visual {
    width: min(100%, 390px);
    justify-self: start;
  }

  .section-heading--split {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .contact-panel {
    padding: 50px;
  }

  .about__copy {
    padding-top: 0;
  }

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

  .service-card:nth-child(2) {
    border-right: 0;
  }

  .service-card:nth-child(3) {
    grid-column: 1 / -1;
    border-top: 1px solid #725846;
    border-right: 0;
  }

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

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .site-header__inner {
    min-height: 70px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .site-nav.is-open {
    display: flex;
    flex-direction: column;
  }

  .site-nav a {
    display: flex;
    min-height: 48px;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    margin-top: 10px;
    border-bottom: 0;
  }

  .site-nav__contact {
    justify-content: space-between;
    padding: 12px 0;
    border: 0;
  }

  .hero {
    padding: 64px 0 26px;
  }

  .hero__grid {
    gap: 48px;
  }

  h1 {
    margin-bottom: 24px;
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .hero__intro {
    margin-bottom: 28px;
    font-size: .95rem;
  }

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

  .hero__actions .button,
  .contact-panel .button {
    width: 100%;
  }

  .text-link {
    justify-content: center;
  }

  .material-board {
    min-height: 390px;
  }

  .material-board__main {
    inset: 46px 38px 64px 38px;
  }

  .hero__meta {
    padding-top: 42px;
    font-size: .59rem;
  }

  .hero__meta span:last-child {
    display: none;
  }

  .feature-strip__grid {
    grid-template-columns: 1fr;
  }

  .feature-strip__item,
  .feature-strip__item + .feature-strip__item {
    min-height: 62px;
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-strip__item:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 84px 0;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .section-heading h2,
  .contact-panel h2 {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .service-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .service-card + .service-card {
    min-height: auto;
    padding: 24px 0 30px;
    border-right: 0;
  }

  .service-card + .service-card {
    border-top: 1px solid #725846;
  }

  .service-card:nth-child(3) {
    grid-column: auto;
  }

  .project-card--large {
    grid-row: auto;
  }

  .project-card--large .project-card__visual {
    min-height: 330px;
  }

  .project-card__visual {
    min-height: 240px;
  }

  .contact-panel {
    gap: 36px;
    padding: 38px 24px;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 26px 0;
  }

  .site-footer__links {
    gap: 16px;
  }
}

@media (max-width: 420px) {
  .brand {
    font-size: .79rem;
  }

  .brand__mark {
    width: 30px;
    height: 30px;
  }

  .material-board {
    min-height: 350px;
    padding: 18px;
  }

  .material-board__main {
    inset: 42px 26px 56px 26px;
    padding: 22px;
  }

  .material-board__caption {
    margin-bottom: 70px;
  }

  .material-board__note {
    right: 18px;
    bottom: 55px;
  }
}