.page-header {
  margin-top: 0.6rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(181, 126, 220, 0.16), transparent 28%),
    linear-gradient(165deg, rgba(181, 126, 220, 0.16), rgba(20, 15, 31, 0.92));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 1.2rem;
  align-items: start;
}

.page-header h1 {
  margin-top: 0.9rem;
  font-size: clamp(2.3rem, 4vw, 4rem);
  max-width: 11ch;
}

.page-header p {
  margin-top: 0.85rem;
  color: var(--text-muted);
  max-width: 58ch;
}

.page-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-header-meta {
  display: grid;
  gap: 0.8rem;
}

.header-metric {
  padding: 1.05rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(244, 238, 255, 0.12);
  background: rgba(10, 6, 16, 0.7);
}

.header-metric strong {
  display: block;
  font-size: 1.2rem;
}

.header-metric span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.case-study-section {
  display: grid;
  gap: 1.2rem;
}

.case-study-card {
  scroll-margin-top: 7rem;
  padding: 1.2rem;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(181, 126, 220, 0.16), rgba(20, 15, 31, 0.94));
  box-shadow: var(--shadow);
}

.case-study-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1rem;
}

.case-study-visual {
  padding: 1.2rem;
  min-height: 100%;
  border-radius: 22px;
  border: 1px solid rgba(244, 238, 255, 0.12);
  background:
    radial-gradient(circle at top, rgba(181, 126, 220, 0.2), transparent 45%),
    rgba(10, 6, 16, 0.76);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.case-study-type {
  color: var(--secondary);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-study-mark {
  margin: 1.2rem 0 0.9rem;
  font-size: clamp(3rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.case-study-logo {
  width: min(140px, 62%);
  height: auto;
  margin: 1.25rem 0 1rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  padding: 0.7rem;
  border: 1px solid rgba(244, 238, 255, 0.18);
  object-fit: contain;
}

.project-url {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.case-study-body h2 {
  margin-top: 0.8rem;
  font-size: clamp(1.9rem, 3vw, 2.9rem);
}

.case-summary {
  margin-top: 0.55rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.case-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.case-detail,
.case-meta {
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(244, 238, 255, 0.1);
  background: rgba(10, 6, 16, 0.68);
}

.case-detail h3,
.case-meta h3,
.case-feature-block h3 {
  margin-bottom: 0.45rem;
  font-size: 1.08rem;
}

.case-detail p,
.case-meta p {
  color: var(--text-muted);
}

.case-feature-block {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid rgba(244, 238, 255, 0.1);
  background: rgba(10, 6, 16, 0.68);
}

.case-feature-list,
.stack-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.case-feature-list li,
.stack-list li {
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(244, 238, 255, 0.08);
  background: rgba(244, 238, 255, 0.04);
}

.case-meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1rem;
}

.product-cta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.portfolio-cta {
  margin-top: 1rem;
  padding: clamp(1.8rem, 4vw, 3rem);
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at left top, rgba(181, 126, 220, 0.18), transparent 30%),
    linear-gradient(160deg, rgba(181, 126, 220, 0.16), rgba(20, 15, 31, 0.94));
  text-align: center;
}

.portfolio-cta h2 {
  margin-top: 0.9rem;
  font-size: clamp(2rem, 3.4vw, 3.1rem);
}

.portfolio-cta p {
  max-width: 62ch;
  margin: 0.85rem auto 0;
  color: var(--text-muted);
}

.portfolio-cta .page-header-actions {
  justify-content: center;
}

@media (max-width: 950px) {
  .page-header,
  .case-study-layout,
  .case-detail-grid,
  .case-meta-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    max-width: none;
  }

  .case-study-visual {
    min-height: 220px;
  }
}

@media (max-width: 620px) {
  .page-header-actions,
  .product-cta,
  .portfolio-cta .page-header-actions {
    flex-direction: column;
  }

  .page-header-actions .cta-btn,
  .product-cta .cta-btn,
  .portfolio-cta .cta-btn {
    width: 100%;
  }
}