body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  background: #07111f;
  color: #e5eef9;
}

.case-hero {
  padding: 72px 24px 56px;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.24), transparent 36%),
    linear-gradient(135deg, #07111f, #0f172a 60%, #111827);
}

.back-link {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 700;
}

.eyebrow {
  margin-top: 32px;
  color: #7dd3fc;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  font-weight: 700;
}

h1, h2, h3 {
  font-family: 'Gemunu Libre', sans-serif;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin: 10px 0;
  color: #f8fafc;
}

.hero-copy {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.25rem;
  line-height: 1.6;
  color: #cbd5e1;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.case-summary,
.case-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
}

.case-summary,
.case-grid article,
.workflow-section,
.reflection,
.demo-panel {
  margin-bottom: 28px;
}

.case-summary > div,
.snapshot-card,
.case-grid article,
.workflow-section,
.reflection,
.demo-panel {
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.26);
}

h2 {
  color: #7dd3fc;
  font-size: 2rem;
  margin-top: 0;
}

p, li {
  color: #cbd5e1;
  line-height: 1.65;
}

.snapshot-card ul {
  padding-left: 20px;
}

.video-placeholder {
  min-height: 320px;
  border-radius: 20px;
  border: 1px dashed rgba(125, 211, 252, 0.44);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(15, 23, 42, 0.78));
  display: grid;
  place-content: center;
  text-align: center;
}

.video-placeholder span {
  font-family: 'Gemunu Libre', sans-serif;
  font-size: 2rem;
  color: #bfdbfe;
}

.demo-video {
  width: 100%;
  border-radius: 20px;
}

.case-grid {
  grid-template-columns: repeat(2, 1fr);
}

.workflow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.workflow div {
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid rgba(125, 211, 252, 0.2);
  border-radius: 16px;
  padding: 18px;
}

.workflow strong {
  display: block;
  color: #38bdf8;
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.workflow span {
  color: #dbeafe;
  font-weight: 700;
}

@media (max-width: 840px) {
  .case-summary,
  .case-grid,
  .workflow {
    grid-template-columns: 1fr;
  }
}