.use-case-page {
  --use-case-panel: var(--sa-color-white);
  --use-case-muted: var(--sa-color-slate);
  margin: 0;
  color: var(--sa-color-ink);
  background: var(--sa-color-blue-tint);
  font-family: var(--sa-font-sans);
  line-height: 1.58;
}

.use-case-page .hero {
  background: linear-gradient(120deg, var(--sa-color-navy), var(--sa-color-blue));
  color: var(--sa-color-white);
}

.use-case-page .hero-inner,
.use-case-page .section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.use-case-page .hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(58px, 7vw, 104px) 0;
}

.use-case-page .kicker,
.use-case-page .detail-eyebrow,
.use-case-page .use-case-card__meta {
  margin: 0 0 10px;
  color: var(--sa-color-green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.use-case-page h1,
.use-case-page h2,
.use-case-page h3,
.use-case-page p {
  letter-spacing: 0;
}

.use-case-page h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: .95;
}

.use-case-page .lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(18px, 2vw, 24px);
}

.use-case-boundary,
.use-case-filters,
.use-case-detail {
  border: 1px solid var(--sa-color-line);
  border-radius: var(--sa-radius-sm);
  background: var(--use-case-panel);
  box-shadow: var(--sa-shadow-card);
}

.use-case-boundary {
  padding: 24px;
  color: var(--sa-color-ink);
  border-left: 5px solid var(--sa-color-green);
}

.use-case-boundary p {
  margin: 0;
}

.use-case-section {
  padding: clamp(42px, 6vw, 80px) 0;
}

.use-case-context {
  margin: 0 0 28px;
  padding: 22px 24px;
  border: 1px solid rgba(101, 184, 46, .34);
  border-left: 5px solid var(--sa-color-green);
  border-radius: var(--sa-radius-sm);
  background: var(--sa-color-green-soft);
  color: var(--sa-color-lead);
  box-shadow: var(--sa-shadow-subtle);
}

.use-case-context h2 {
  margin: 0 0 8px;
  color: var(--sa-color-navy);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.1;
}

.use-case-context p {
  margin: 0;
  max-width: 1060px;
  color: var(--sa-color-lead);
}

.framework-coverage-banner {
  margin: 22px 0;
  padding: 16px 18px;
  border: 1px solid var(--sa-color-line);
  border-left: 5px solid var(--sa-color-blue);
  border-radius: var(--sa-radius-sm);
  background: var(--sa-color-blue-soft);
  color: var(--sa-color-lead);
  font-weight: 700;
}

.framework-coverage-banner strong {
  color: var(--sa-color-navy);
}

.use-case-filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) auto;
  gap: 14px;
  align-items: end;
  padding: 18px;
  margin-bottom: 22px;
}

.use-case-filters label {
  display: grid;
  gap: 6px;
  color: var(--sa-color-navy);
  font-size: 13px;
  font-weight: 900;
}

.use-case-filters select {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--sa-color-line-strong);
  border-radius: var(--sa-radius-sm);
  padding: 10px 12px;
  color: var(--sa-color-ink);
  background: var(--sa-color-white);
  font: inherit;
}

.use-case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 24px;
  align-items: start;
}

.use-case-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.use-case-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--sa-color-line);
  border-left: 5px solid var(--sa-color-blue);
  border-radius: var(--sa-radius-sm);
  background: linear-gradient(90deg, rgba(0, 87, 216, .08), rgba(255, 255, 255, 0) 42%), var(--sa-color-white);
  padding: 22px;
  box-shadow: var(--sa-shadow-subtle);
}

.use-case-card__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  gap: 12px;
  align-items: start;
}

.use-case-card__favorite {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sa-color-line-strong);
  border-radius: 50%;
  color: var(--sa-color-navy);
  background: var(--sa-color-white);
  box-shadow: var(--sa-shadow-subtle);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.use-case-card__favorite:hover,
.use-case-card__favorite:focus-visible {
  border-color: var(--sa-color-blue);
  color: var(--sa-color-blue);
  outline: 3px solid rgba(0, 87, 216, .18);
  outline-offset: 2px;
}

.use-case-card__favorite[aria-pressed="true"] {
  border-color: var(--sa-color-green);
  color: var(--sa-color-green);
  background: var(--sa-color-green-soft);
}

.use-case-card:nth-child(3n+2) {
  border-left-color: var(--sa-color-green);
  background: linear-gradient(90deg, rgba(101, 184, 46, .1), rgba(255, 255, 255, 0) 42%), var(--sa-color-white);
}

.use-case-card:nth-child(3n) {
  border-left-color: var(--sa-color-navy);
  background: linear-gradient(90deg, rgba(3, 31, 77, .08), rgba(255, 255, 255, 0) 42%), var(--sa-color-white);
}

.use-case-card h3 {
  margin: 0;
  color: var(--sa-color-navy);
  font-size: 24px;
  line-height: 1.15;
}

.use-case-card p {
  margin: 0;
  color: var(--sa-color-lead);
}

.use-case-card__signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--sa-color-line);
  border-radius: var(--sa-radius-sm);
  background: rgba(255, 255, 255, .7);
}

.use-case-signal {
  min-width: 0;
  display: grid;
  gap: 2px;
  border: 1px solid var(--sa-color-line);
  border-radius: var(--sa-radius-xs);
  padding: 9px 10px;
  background: var(--sa-color-soft);
  color: var(--sa-color-navy);
}

.use-case-signal small {
  color: var(--sa-color-slate);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.use-case-signal strong {
  color: var(--sa-color-navy);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.25;
}

.use-case-signal--framework {
  grid-column: 1 / -1;
  border-color: rgba(0, 87, 216, .22);
  background: var(--sa-color-blue-soft);
}

.use-case-signal--framework strong {
  font-size: 13px;
}

.use-case-card__button,
.use-case-page .button {
  min-height: 44px;
  border-radius: var(--sa-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sa-color-blue);
  padding: 11px 15px;
  color: var(--sa-color-white);
  background: var(--sa-color-blue);
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.use-case-card__button {
  margin-top: 0;
}

.use-case-results__actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 10px 0 0;
}

.use-case-page .button.secondary {
  color: var(--sa-color-navy);
  background: var(--sa-color-white);
  border-color: var(--sa-color-navy);
}

.use-case-page .button.disabled {
  border-color: var(--sa-color-line-strong);
  color: var(--sa-color-slate);
  background: var(--sa-color-soft);
  cursor: not-allowed;
}

.use-case-detail {
  position: sticky;
  top: 112px;
  padding: 24px;
}

.use-case-detail h2 {
  margin: 0;
  color: var(--sa-color-navy);
  font-size: 28px;
  line-height: 1.1;
}

.use-case-detail-list {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.use-case-detail-list div {
  border-top: 1px solid var(--sa-color-line);
  padding-top: 10px;
}

.use-case-detail-list dt {
  color: var(--sa-color-navy);
  font-weight: 900;
}

.use-case-detail-list dd {
  margin: 2px 0 0;
  color: var(--sa-color-lead);
}

.framework-coverage {
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--sa-color-line);
  border-left: 5px solid var(--sa-color-blue);
  border-radius: var(--sa-radius-sm);
  background: var(--sa-color-blue-tint);
}

.framework-coverage h3 {
  margin: 0 0 8px;
  color: var(--sa-color-navy);
  font-size: 18px;
}

.framework-coverage > p {
  margin: 0 0 14px;
  color: var(--sa-color-lead);
  font-size: 14px;
}

.framework-coverage__list {
  display: grid;
  gap: 10px;
}

.framework-coverage__item {
  padding: 12px;
  border: 1px solid var(--sa-color-line);
  border-radius: var(--sa-radius-sm);
  background: var(--sa-color-white);
}

.framework-coverage__item div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.framework-coverage__item strong {
  color: var(--sa-color-navy);
}

.framework-coverage__item span {
  color: var(--sa-color-green-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.framework-coverage__item p,
.framework-coverage__item small {
  display: block;
  margin: 6px 0 0;
  color: var(--sa-color-body);
}

.framework-coverage__item small {
  color: var(--sa-color-slate);
}

.detail-status {
  border-left: 4px solid var(--sa-color-green);
  padding-left: 12px;
  color: var(--sa-color-ink);
  font-weight: 800;
}

.use-case-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  color: var(--sa-color-lead);
  font-weight: 800;
}

@media (max-width: 940px) {
  .use-case-page .hero-inner,
  .use-case-layout,
  .use-case-filters {
    grid-template-columns: 1fr;
  }

  .use-case-results {
    grid-template-columns: 1fr;
  }

  .use-case-detail {
    position: static;
  }
}