@media (max-width: 77em) {
  html {
    font-size: 50%;
  }
}

@media (max-width: 50em) {
  html {
    font-size: 40%;
  }

  .marketing-text-box {
    padding: 4.4rem 0;
  }

  .marketing-img-box {
    display: none;
  }

  .marketing-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 45em) {
  html {
    font-size: 56.2%;
  }

  .subheading {
    font-size: 3rem;
    font-weight: 700;
    color: #0e1133;
    margin-bottom: 1.6rem;
    /* padding: 0 3.2rem; */
  }

  .secondeary-heading {
    color: #767676;
    font-size: 1.4rem;
    margin-bottom: 6.4rem;
    /* padding: 0 3.2rem; */
  }

  .heading-primary {
    font-size: 4.2rem;
  }

  .header {
    padding: 3.2rem 1.2rem;
    grid-template-columns: 1fr 3fr 1fr 1fr;
  }

  .nav-list li:last-child {
    right: -35px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 0 0 0 3.2rem;
  }

  .heading-primary {
    font-size: 3.6rem;
  }

  .menu {
    border: none;
  }

  .header-menu-icon {
    display: block;
    font-size: 2.4rem;
  }

  .nav-list li:nth-child(1),
  .nav-list li:nth-child(2),
  .nav-list li:nth-child(3),
  .nav-list li:nth-child(4),
  .nav-list li:nth-child(5) {
    display: none;
  }

  .hero-input {
    width: 95%;
  }

  .hero-img-box {
    width: 35%;
    justify-self: end;
  }

  .grid-3-cols,
  .grid-2-cols {
    grid-template-columns: 1fr;
  }

  .feature-heading {
    flex-direction: column;
    margin-bottom: 3.2rem;
  }

  .section-header {
    height: 10rem;
  }

  .how-it-work .subheading {
    text-align: center;
  }

  .how-feature-box {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .feature-box-describtion {
    text-align: center;
  }

  .marketing-img-box {
    display: none;
  }

  .marketing-img-box img {
    /* width: 100%; */
  }

  .marketing-box-describtion {
    display: flex;
    flex-direction: column;
    gap: 2.4rem;
  }

  .marketing-text-box {
    padding: 3.2rem 0;
  }

  .marketing-text-box .start-title,
  .marketing-text-box .secondeary-heading {
    text-align: center;
  }

  .landing-text-box {
    padding: 0 1.6rem;
  }

  .landing-img-box {
    justify-self: center;
  }

  .landing-service-box {
    padding: 1.6rem 2.4rem;
  }

  .learn-how-video-box {
    grid-template-columns: 1fr;
  }

  .learn-how-activation {
    flex-direction: column;
    gap: 2.4rem;
    box-shadow: 0 1.4rem 2.4rem rgba(0, 0, 0, 0.07);
  }

  .player img {
    width: 100%;
  }

  .video-text-box {
    margin-left: 0;
  }

  .gallery-slider img {
    width: 100%;
  }

  .ios-btn:link,
  .ios-btn:visited,
  .android-btn:link,
  .android-btn:visited {
    padding: 0.4rem 0.8rem;
  }

  .cta-section .secondeary-heading br {
    display: none;
  }

  .pricing-subscribtion {
    margin: 0 18.7rem 2.4rem 18.7rem;
  }

  .pricing-cards {
    flex-direction: column;
  }

  .testimonial-container {
    grid-template-columns: 1fr;
    padding: 6.4rem;
  }

  .client-text-feedback {
    font-size: 2rem;
    line-height: 1.4;
    text-align: center;
  }

  .author-box {
    justify-content: center;
  }

  .testimonial-btns {
    display: none;
  }

  .platform-logos-first,
  .platform-logos-second {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-items: center;
    row-gap: 3.2rem;
  }

  .platform-logos-second .logo-box:last-child {
    grid-column: 2;
  }

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

  .logo-col {
    align-items: center;
  }

  .logo-col-desc br {
    display: none;
  }

  .cta-btns-copyright {
    flex-direction: column;
    gap: 2.4rem;
  }

  .nav-content:last-child p:last-child br {
    display: none;
  }

  .nav-col {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .nav-content {
    align-items: center;
  }
  .nav-content:last-child div {
    text-align: center;
  }
}