header {
  position: relative;
  margin-bottom: 4rem;
}

header.no-banner {
  margin-top: 4rem;
  margin-bottom: 2rem;
}

header.has-thumbnail {
  padding: 2rem;
  padding-top: 24rem;
  padding-bottom: 8rem;
  width: calc(var(--container-width) + (100vw - var(--container-width)) / 2);
  margin-top: -2rem;
  transition: 0.2s margin;
  overflow: hidden;
}

header h1 {
  font-size: 4rem;
  font-weight: 500;
}

header.has-thumbnail h1 {
  color: white;
  font-weight: 700;
}

header .background {
  position: absolute;
  inset: 0;
  height: 100%;
  width: 100%;
  z-index: -1;
}

header .background img,
header .background .wp-post-image {
  height: 100%;
  width: 100%;
}

header .background .wp-post-image {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

header.has-thumbnail h1 {
  color: white;
  text-shadow: 0 0 1rem rgba(0, 0, 0, 0.25);
}

.box-layout header.has-thumbnail {
  padding-bottom: 10rem;
  z-index: -1;
}

.box-layout header.has-thumbnail {
  width: calc(
    var(--container-width) + (100vw - var(--container-width)) / 2 + 1rem
  );
  margin-left: -1rem;
  border-bottom-left-radius: 0.25rem;
}

.box-layout .page {
  box-shadow: 0 4rem 0 -3.5rem var(--yellow), 0 0 0.5rem rgba(0, 0, 0, 0.1);
  padding: 6rem 2rem;
  transform: translateY(-8rem);
  z-index: 1;
  background-color: white;
  border-radius: 0.25rem;
  transition: 0.2s;
}

@media screen and (min-width: 1440px) {
  header.has-thumbnail {
    padding: 4rem;
    padding-top: 50vh;
    padding-bottom: 8rem;
    margin-left: 50%;
    transform: translateX(-50%);
    width: 90vw;
    text-align: center;
  }

  header.has-thumbnail h1 {
    font-size: 6rem;
  }
}

@media screen and (max-width: 1080px) {
  header.has-thumbnail {
    padding: 2rem 1rem;
    padding-top: 16rem;
    padding-bottom: 8rem;
    margin-left: -1rem;
    margin-right: -1rem;
    width: 100vw;
    border-bottom-left-radius: 0;
  }
  .box-layout header.has-thumbnail {
    padding-bottom: 12rem;
  }
  .box-layout .page {
    margin-left: 1rem;
    margin-right: 1rem;
  }
}

@media screen and (max-width: 640px) {
  header.has-thumbnail {
    padding: 1rem;
    padding-top: 8rem;
    padding-bottom: 4rem;
  }

  .box-layout header.has-thumbnail {
    padding-bottom: 6rem;
  }

  header h1 {
    font-size: 2.5rem;
  }
  .box-layout .page {
    transform: translateY(-3rem);
    padding: 4rem 1rem;
    margin: 0;
  }
}