.site-header {
  height: 112px;
}

.site-header .brand-logo {
  display: block;
  width: 145px;
  height: 98px;
  object-fit: contain;
}

.hero {
  min-height: calc(100vh - 112px);
}

@media (max-width: 900px) {
  nav {
    top: 112px;
  }
}

@media (max-width: 620px) {
  .site-header {
    height: 90px;
  }

  .site-header .brand-logo {
    width: 106px;
    height: 78px;
  }

  nav {
    top: 90px;
  }
}