.project-page {
  display: grid;
  gap: 40px;
}

.project-header {
  border-bottom: 1px solid var(--klein-blue);
  padding-bottom: 0;
}

.project-header .h1 {
  margin: 0;
}

.ghost-icon--back {
  transform: rotate(180deg);
}

.ghost-btn--back:hover .ghost-icon--back,
.ghost-btn--back:focus-visible .ghost-icon--back {
  filter: brightness(0);
}

.project-intro {
  max-width: 920px;
}

.project-intro-line {
  display: block;
}

.scroll-to-top {
  position: fixed;
  left: 50%;
  bottom: 48px;
  z-index: 100;
  width: 60px;
  height: 60px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease, filter 180ms ease;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.4));
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.scroll-to-top img {
  display: block;
  width: 60px;
  height: 60px;
}

.scroll-to-top:hover,
.scroll-to-top:focus-visible {
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.5));
}

.scroll-to-top:focus-visible {
  outline: 1px dashed var(--klein-blue);
  outline-offset: 4px;
}

.project-block {
  display: grid;
  gap: 16px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.project-grid img {
  width: 100%;
  height: auto;
  display: block;
}

.project-caption {
  text-align: center;
  margin: 0;
}

.project-block + .project-block {
  margin-top: 8px;
}

@media (max-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .project-page {
    gap: 32px;
  }
}

@media (max-width: 576px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

}