.case-study-page {
  padding-top: 74px;
}

.case-back-link {
  color: #d9edf8;
  font-weight: 800;
  text-decoration: none;
}

.case-back-link:hover,
.case-back-link:focus {
  color: #fff;
}

.case-hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at 12% 12%, rgba(56, 189, 248, 0.16), transparent 34%),
    radial-gradient(circle at 88% 16%, rgba(167, 139, 250, 0.12), transparent 30%);
}

.case-hero h1 {
  max-width: 960px;
  margin: 0 0 22px;
  color: #fff;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  font-weight: 850;
  line-height: 1.04;
  letter-spacing: -1.4px;
  text-wrap: balance;
}

.case-lead {
  max-width: 860px;
  margin: 0;
  color: #d7e3ed;
  font-size: 1.15rem;
}

.case-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.status-pill,
.table-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 800;
}

.status-pill {
  padding: 7px 11px;
  font-size: 0.78rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.status-operational,
.table-status.operational {
  border: 1px solid rgba(52, 211, 153, 0.32);
  background: rgba(52, 211, 153, 0.1);
  color: #d1fae5;
}

.status-progress,
.table-status.progress {
  border: 1px solid rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.09);
  color: #fef3c7;
}

.status-neutral,
.table-status.pending {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: #d7e3ed;
}

.table-status.validated {
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.09);
  color: #d8f5ff;
}

.case-summary-grid,
.capability-grid,
.insight-grid,
.architecture-output-grid {
  display: grid;
  gap: 14px;
}

.case-summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 34px;
}

.case-summary-grid > div,
.capability-grid > div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.case-summary-grid strong,
.case-summary-grid span {
  display: block;
}

.case-summary-grid strong {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.case-summary-grid span {
  margin-top: 6px;
  color: var(--muted);
}

.case-section {
  padding: 82px 0;
}

.case-container {
  max-width: 1040px;
}

.case-section h2 {
  max-width: 900px;
  margin-bottom: 20px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.8px;
}

.case-section > .container > p:not(.section-label):not(.case-note),
.case-section li,
.timeline p,
.insight-grid p,
.status-table td {
  color: var(--muted);
}

.callout,
.case-note {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 16px;
  background: rgba(56, 189, 248, 0.06);
  color: #d9edf8;
}

.callout strong {
  color: #fff;
}

.architecture-flow {
  max-width: 760px;
  margin: 36px auto 0;
  text-align: center;
}

.architecture-node {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.022));
}

.architecture-node-accent {
  border-color: rgba(56, 189, 248, 0.28);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.11), rgba(56, 189, 248, 0.035));
}

.architecture-node span,
.architecture-node strong,
.architecture-node small {
  display: block;
}

.architecture-node span {
  color: #8eb4cb;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.architecture-node strong {
  margin-top: 4px;
  color: #fff;
  font-size: 1.25rem;
}

.architecture-node small {
  margin-top: 3px;
  color: var(--muted);
}

.architecture-arrow {
  padding: 8px 0;
  color: var(--accent);
  font-size: 1.45rem;
}

.architecture-output-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 8px;
}

.architecture-output-grid div {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: #e6f4fd;
  font-weight: 800;
}

.timeline {
  margin-top: 34px;
}

.timeline article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.timeline article:last-child {
  border-bottom: 1px solid var(--border);
}

.timeline article > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.08);
  color: #fff;
  font-weight: 850;
}

.timeline h3,
.insight-grid h3 {
  margin: 0 0 7px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 850;
}

.timeline p,
.insight-grid p {
  margin: 0;
}

.status-table-wrap {
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
}

.status-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.018);
}

.status-table th,
.status-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.status-table th {
  background: rgba(255, 255, 255, 0.035);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.status-table tr:last-child td {
  border-bottom: 0;
}

.status-table td:first-child {
  color: #fff;
  font-weight: 800;
}

.table-status {
  padding: 5px 9px;
  font-size: 0.75rem;
  white-space: nowrap;
}

.capability-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 30px;
}

.capability-grid span,
.capability-grid strong {
  display: block;
}

.capability-grid span {
  color: var(--muted);
  font-size: 0.82rem;
}

.capability-grid strong {
  margin-top: 7px;
  color: #fff;
  font-size: 1.65rem;
}

.insight-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 30px;
}

.insight-grid article {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.024);
}

.next-list {
  margin: 28px 0 0;
  padding-left: 24px;
}

.next-list li + li {
  margin-top: 10px;
}

.evidence-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.evidence-links a {
  display: inline-flex;
  padding: 12px 17px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.06);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 991.98px) {
  .case-summary-grid,
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767.98px) {
  .case-hero {
    padding-top: 62px;
  }

  .case-section {
    padding: 64px 0;
  }

  .case-summary-grid,
  .capability-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .timeline article {
    grid-template-columns: 40px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-study-page * {
    scroll-behavior: auto !important;
  }
}