.case-study-page {
  max-width: 760px;
}

.case-study-header {
  max-width: 720px;
  margin: 0 auto 38px;
  padding-bottom: 8px;
}

.case-study-header .post-date {
  margin-bottom: 10px;
}

.case-study-cover {
  margin: 0 0 26px;
  padding: 18px;
  border-radius: 8px;
  background: var(--thumb-bg);
  overflow: hidden;
}

.case-study-page .project-hero {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  margin: 0 auto;
  border-radius: 4px;
  object-fit: contain;
  background: transparent;
}

.case-study-page .page-title {
  max-width: 720px;
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.case-study-page .page-intro {
  max-width: 680px;
  margin-bottom: 14px;
  color: var(--fg-soft);
  font-size: 17px;
  line-height: 1.6;
}

.case-study-header .item-tags {
  margin: 0 0 16px;
  font: 12px/1.6 var(--mono);
}

.case-study-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.case-study-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
  font: 13px/1.2 var(--mono);
  text-decoration: none !important;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.case-study-button:hover,
.case-study-button:focus-visible {
  border-color: var(--accent);
  background: var(--code-bg);
  color: var(--fg);
  text-decoration: none;
}

.case-study-button:active {
  transform: translateY(1px);
}

.case-study-button.primary {
  border-color: var(--border);
  background: transparent;
  color: var(--fg) !important;
  font-weight: 600;
}

.case-study-button.primary:hover,
.case-study-button.primary:focus-visible {
  border-color: var(--accent);
  background: var(--code-bg);
  color: var(--fg) !important;
}

.case-study-page .article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.72;
}

.case-study-page .article-content h2 {
  margin: 52px 0 14px;
  font-size: 26px;
  line-height: 1.25;
}

.case-study-page .article-content h3 {
  margin-top: 34px;
  font-size: 20px;
}

.case-study-page .article-content p {
  margin-bottom: 20px;
}

.case-study-page .article-content img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 28px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--thumb-bg);
}

.case-study-page .article-content blockquote {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: var(--code-bg);
  color: var(--fg-soft);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.project-card,
.project-callout,
.project-flow div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
}

.project-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 26px 0;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 30px 0;
}

.project-gallery img {
  width: 100% !important;
  height: 180px;
  margin: 0 !important;
  object-fit: cover;
}

.case-study-page .comments {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
}

@media (max-width: 760px) {
  .case-study-cover {
    padding: 12px;
    margin-bottom: 22px;
  }

  .case-study-page .project-hero {
    max-height: 320px;
  }

  .case-study-page .page-title {
    font-size: 30px;
  }

  .case-study-page .page-intro {
    font-size: 16px;
  }

  .case-study-actions {
    gap: 8px;
  }

  .case-study-button {
    padding: 9px 12px;
    font-size: 12px;
  }

  .project-grid,
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-flow {
    grid-template-columns: 1fr 1fr;
  }

  .project-gallery img {
    height: auto;
  }
}