.brand-mark {
  font-family: "Microsoft JhengHei", sans-serif;
  font-size: 15px;
}

.main-nav {
  gap: 17px;
}

.main-nav a {
  font-size: 13px;
}

.contact-details a {
  color: var(--green);
  text-decoration: none;
}

@media (max-width: 1020px) {
  .menu-button {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    padding: 15px 24px;
    background: white;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 11px 0;
  }

  .main-nav .nav-cta {
    margin-top: 8px;
    text-align: center;
  }
}

@media (max-width: 780px) {
  .main-nav {
    top: 68px;
  }
}