@media (max-width: 920px) {
  .navbar {
    min-height: 68px;
  }

  .navbar__logo {
    width: 122px;
    height: 48px;
  }

  .navbar__toggle {
    position: relative;
    z-index: 30;
    display: inline-grid;
    width: 44px;
    height: 44px;
    place-items: center;
    gap: 4px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    cursor: pointer;
  }

  .navbar__toggle-line {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

  .navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(2) {
    opacity: 0;
  }

  .navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .navbar__menu {
    position: fixed;
    inset: 68px 0 auto 0;
    display: grid;
    gap: 20px;
    padding: 24px 16px 28px;
    background: rgba(7, 17, 31, 0.98);
    border-bottom: 1px solid rgba(143, 212, 255, 0.18);
    box-shadow: var(--shadow-menu);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

  .navbar__menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .navbar__links {
    display: grid;
    gap: 6px;
  }

  .navbar__link {
    width: 100%;
    min-height: 46px;
    padding: 0 12px;
  }

  .button--client {
    width: 100%;
  }

  .language-switcher {
    justify-content: center;
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding: 76px 0 52px;
  }

  .hero__media {
    background:
      linear-gradient(180deg, rgba(7, 17, 31, 0.92) 0%, rgba(7, 17, 31, 0.76) 54%, rgba(7, 17, 31, 0.42) 100%),
      url("../assets/images/hero-rei-labs.png") center / cover no-repeat;
    background-attachment: scroll;
  }

  .hero__content {
    width: min(100% - 32px, var(--container));
    margin-inline: auto;
  }

  .split-layout,
  .proof__layout,
  .contact__layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .contact__intro {
    position: static;
  }

  .site-footer__layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 58px 0 42px;
  }

  .hero__actions,
  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    display: grid;
  }

  .button--hero,
  .button--secondary {
    width: 100%;
  }

  .hero__metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 26px;
  }

  .hero__metrics div {
    padding: 10px 8px;
  }

  .hero__metrics dt {
    font-size: 1rem;
  }

  .hero__metrics dd {
    font-size: 0.68rem;
    line-height: 1.25;
  }

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

  .service-card {
    min-height: auto;
  }

  .contact-form {
    padding: 22px 18px;
  }

  .site-footer__bottom {
    display: grid;
  }

  .client-modal,
  .legal-modal {
    padding: 14px;
  }

  .client-modal__panel,
  .legal-modal__panel {
    max-height: calc(100vh - 28px);
    padding: 28px 20px 24px;
  }

  .client-modal h2 {
    font-size: 1.5rem;
  }

  .cookie-banner {
    right: 12px;
    bottom: 12px;
    grid-template-columns: 1fr;
    width: calc(100% - 24px);
    padding: 18px;
  }

  .cookie-banner__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .button--cookie,
  .button--cookie-secondary {
    width: 100%;
    padding-inline: 10px;
  }
}