@media only screen and (max-width: 991px) {
  html {
    font-size: 56.25%;
  }
  .row {
    flex-direction: column;
  }
  section,
  footer {
    padding: 7.5rem 5rem;
  }
  header {
    padding: 2.2rem 5rem;
  }
  section.hero {
    grid-template-columns: 1fr;
    background: linear-gradient(
      45deg,
      rgb(var(--grad-color-1)),
      rgb(var(--grad-color-2))
    );
  }
  #header-shape {
    display: none;
  }
  .hero-img {
    grid-row: 1;
  }
  nav ul a,
  nav a#logo {
    color: var(--white-shade-1);
  }
  .hero-content h1,
  .hero-content p {
    text-align: center;
  }
  .hero-content h1 {
    color: var(--white-shade-1);
  }
  .hero-content h3 {
    color: var(--white-shade-1);
  }
  
  .hero-content p {
    color: var(--white-shade-2);
  }
  .hero-content .primary-btn {
    background-color: var(--white-shade-1);
    color: var(--base-shade-1);
  }
  .hero-content .secondary-btn {
    color: var(--white-shade-1);
    border-color: var(--white-shade-1);
  }
  .btn-container {
    justify-content: center;
  }
  .download-app img {
    width: 30%;
  }
  .app-feature div {
    justify-content: center;
  }
  .app-feature p {
    text-align: center;
  }
  .download-app a img {
    width: 50%;
  }
}

@media only screen and (max-width: 767px) {
  html {
    font-size: 50%;
  }
  header {
    padding: 2rem 4rem;
  }
  #ham-menu {
    display: block;
    color: var(--white-shade-1);
  }
  nav a#logo,
  #ham-menu {
    font-size: var(--heading-font-size-2);
  }
  nav ul {
    background-color: var(--black-shade-1);
    position: fixed;
    left: -100vw;
    top: 70.4px;
    height: calc(100vh - 70.4px);
    width: 100vw;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    transition: 1s;
    gap: 0;
  }
  nav ul a {
    font-size: var(--heading-font-size-3);
  }
  .sticky nav ul a {
    color: var(--white-shade-1);
  }
  nav ul a:hover {
    color: var(--base-shade-1);
  }
  #scroll-top {
    height: 6rem;
    width: 6rem;
  }
}
@media only screen and (max-width: 575px) {
  html {
    font-size: 46.87%;
  }
  header {
    padding: 2rem 3rem;
  }
  section,
  footer {
    padding: 7.5rem 3rem;
  }
  .features .column {
    padding: 4rem 2rem;
  }
  nav ul {
    top: 65.18px;
    height: calc(100vh - 65.18px);
  }
}