:root {
  --case-ink: #10231f;
  --case-ink-soft: #42554f;
  --case-paper: #f5f1e8;
  --case-paper-deep: #ebe4d7;
  --case-panel: #fffdf8;
  --case-night: #0d2822;
  --case-night-soft: #163a32;
  --case-green: #18b477;
  --case-green-dark: #087d55;
  --case-gold: #e6b84a;
  --case-blue: #5f7bdc;
  --case-line: rgba(16, 35, 31, 0.14);
  --case-shadow: 0 24px 70px rgba(18, 46, 39, 0.12);
}

body.case-library-page {
  color: var(--case-ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(24, 180, 119, 0.1), transparent 24rem),
    linear-gradient(180deg, #faf8f2 0%, var(--case-paper) 45%, #f0ebdf 100%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.case-library-page .page-main {
  width: min(1240px, calc(100% - 40px));
  max-width: none;
  padding-top: 28px;
}

.case-library-page .breadcrumb {
  margin-bottom: 22px;
}

.case-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 76px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  color: #f8f3e8;
  background:
    radial-gradient(circle at 82% 18%, rgba(24, 180, 119, 0.34), transparent 26%),
    linear-gradient(135deg, #0b211c 0%, #12372f 55%, #0a2620 100%);
  box-shadow: var(--case-shadow);
}

.case-hero::before,
.case-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.case-hero::before {
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.13) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent, #000 58%, #000);
}

.case-hero::after {
  right: -85px;
  bottom: -125px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(230, 184, 74, 0.46);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(230, 184, 74, 0.06),
    0 0 0 82px rgba(24, 180, 119, 0.05);
}

.case-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.65fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: end;
}

.case-eyebrow,
.case-section-kicker {
  margin: 0 0 15px;
  color: var(--case-green);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.case-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.7rem, 6.7vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.case-hero h1 span {
  color: #8be1b9;
}

.case-hero-lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(248, 243, 232, 0.78);
  font-size: clamp(1rem, 1.8vw, 1.24rem);
  line-height: 1.8;
}

.case-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.case-hero-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-weight: 750;
  background: rgba(255, 255, 255, 0.08);
}

.case-hero-actions a:first-child {
  border-color: var(--case-green);
  color: #09251e;
  background: #74dcae;
}

.case-hero-note {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(4, 20, 16, 0.46);
  backdrop-filter: blur(14px);
}

.case-hero-note strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 1.08rem;
}

.case-hero-note p {
  margin: 0;
  color: rgba(248, 243, 232, 0.72);
  line-height: 1.7;
}

.case-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.case-stats li {
  padding: 24px 20px 0 0;
}

.case-stats strong {
  display: block;
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
}

.case-stats span {
  color: rgba(248, 243, 232, 0.62);
  font-size: 0.88rem;
}

.case-proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 22px 0 72px;
  overflow: hidden;
  border: 1px solid var(--case-line);
  border-radius: 20px;
  background: var(--case-line);
}

.case-proof-strip article {
  padding: 20px 22px;
  background: rgba(255, 253, 248, 0.86);
}

.case-proof-strip strong {
  display: block;
  margin-bottom: 6px;
}

.case-proof-strip p {
  margin: 0;
  color: var(--case-ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.case-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.68fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 28px;
}

.case-section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.case-section-heading > p {
  margin: 0;
  color: var(--case-ink-soft);
  line-height: 1.75;
}

.demo-lab {
  margin: 0 0 84px;
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid rgba(16, 35, 31, 0.12);
  border-radius: 28px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 18px 55px rgba(18, 46, 39, 0.08);
}

.demo-disclaimer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 22px;
  padding: 13px 15px;
  border-radius: 14px;
  color: #6e5318;
  font-size: 0.9rem;
  line-height: 1.55;
  background: #fff4d5;
}

.demo-disclaimer::before {
  content: "SIM";
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  background: #9c7419;
}

.demo-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 15px;
  scrollbar-width: thin;
}

.demo-tab {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--case-line);
  border-radius: 999px;
  color: var(--case-ink-soft);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 750;
  cursor: pointer;
  background: #fff;
}

.demo-tab[aria-selected="true"] {
  border-color: var(--case-night);
  color: #fff;
  background: var(--case-night);
}

.demo-panel {
  padding-top: 20px;
}

.demo-panel[hidden] {
  display: none;
}

.demo-panel-heading {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.demo-panel-heading h3 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 2.8vw, 2.1rem);
}

.demo-panel-heading p {
  max-width: 720px;
  margin: 0;
  color: var(--case-ink-soft);
  line-height: 1.65;
}

.demo-run {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  background: var(--case-green-dark);
  box-shadow: 0 10px 22px rgba(8, 125, 85, 0.2);
}

.demo-run:disabled {
  cursor: wait;
  opacity: 0.72;
}

.demo-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 14px;
}

.demo-column {
  min-height: 340px;
  padding: 20px;
  border: 1px solid var(--case-line);
  border-radius: 18px;
  background: #fff;
}

.demo-column > span {
  display: block;
  margin-bottom: 14px;
  color: var(--case-green-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-input-card,
.demo-result-card {
  padding: 16px;
  border-radius: 14px;
  background: var(--case-paper);
}

.demo-input-card h4,
.demo-result-card h4 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.demo-input-card p,
.demo-result-card p,
.demo-result-card li {
  color: var(--case-ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.demo-result-card ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.demo-progress {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-step {
  position: relative;
  padding: 14px 14px 14px 46px;
  border: 1px dashed rgba(16, 35, 31, 0.18);
  border-radius: 13px;
  color: #718079;
  font-size: 0.9rem;
  line-height: 1.55;
  background: #faf9f5;
  transition: 180ms ease;
}

.demo-step::before {
  position: absolute;
  top: 14px;
  left: 14px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  content: attr(data-step-number);
  border-radius: 50%;
  color: #64736d;
  font-size: 0.72rem;
  font-weight: 850;
  background: #e8ece8;
}

.demo-step.is-active {
  border-style: solid;
  border-color: rgba(24, 180, 119, 0.42);
  color: var(--case-ink);
  background: #eefaf4;
  transform: translateX(3px);
}

.demo-step.is-active::before {
  color: #fff;
  background: var(--case-green-dark);
}

.demo-output-placeholder {
  display: grid;
  min-height: 250px;
  place-items: center;
  padding: 28px;
  border: 1px dashed rgba(16, 35, 31, 0.2);
  border-radius: 14px;
  color: #718079;
  text-align: center;
  background: #faf9f5;
}

.demo-output[hidden] {
  display: none;
}

.demo-output .demo-result-card + .demo-result-card {
  margin-top: 10px;
}

.demo-human-gate {
  border-left: 4px solid var(--case-gold);
  background: #fff8e6;
}

.demo-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.demo-metrics span {
  padding: 6px 9px;
  border: 1px solid rgba(8, 125, 85, 0.18);
  border-radius: 999px;
  color: var(--case-green-dark);
  font-size: 0.75rem;
  font-weight: 760;
  background: #eff9f4;
}

.demo-talk {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-top: 18px;
  padding: 17px 18px;
  border-radius: 15px;
  color: #eaf8f1;
  background: var(--case-night);
}

.demo-talk strong {
  color: #7cdfb4;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.demo-talk p {
  margin: 0;
  line-height: 1.65;
}

.demo-status {
  min-height: 1.4em;
  margin: 12px 2px 0;
  color: var(--case-ink-soft);
  font-size: 0.82rem;
}

.case-library-section {
  margin-bottom: 80px;
}

.case-controls {
  position: sticky;
  z-index: 5;
  top: 10px;
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) minmax(420px, 2fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
  padding: 14px;
  border: 1px solid rgba(16, 35, 31, 0.14);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.94);
  box-shadow: 0 12px 32px rgba(18, 46, 39, 0.09);
  backdrop-filter: blur(15px);
}

.case-search {
  position: relative;
}

.case-search input {
  width: 100%;
  min-height: 44px;
  box-sizing: border-box;
  padding: 0 14px 0 39px;
  border: 1px solid var(--case-line);
  border-radius: 12px;
  color: var(--case-ink);
  font: inherit;
  background: #fff;
}

.case-search::before {
  position: absolute;
  top: 50%;
  left: 15px;
  content: "⌕";
  color: var(--case-ink-soft);
  font-size: 1.2rem;
  transform: translateY(-54%);
}

.case-filter-chips {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.case-filter-chip,
.case-clear {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--case-line);
  border-radius: 999px;
  color: var(--case-ink-soft);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 750;
  cursor: pointer;
  background: #fff;
}

.case-filter-chip[aria-pressed="true"] {
  border-color: var(--case-green-dark);
  color: #fff;
  background: var(--case-green-dark);
}

.case-clear {
  border-color: transparent;
  color: var(--case-green-dark);
  background: #eef8f3;
}

.case-result-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 2px 20px;
  color: var(--case-ink-soft);
  font-size: 0.9rem;
}

.case-result-meta strong {
  color: var(--case-ink);
}

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

.case-card {
  display: flex;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid rgba(16, 35, 31, 0.13);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.94);
  box-shadow: 0 12px 36px rgba(18, 46, 39, 0.06);
}

.case-card[hidden] {
  display: none;
}

.case-card-rail {
  flex: 0 0 8px;
  background: var(--case-green);
}

.case-card[data-source="x"] .case-card-rail {
  background: var(--case-blue);
}

.case-card[data-evidence="C"] .case-card-rail {
  background: var(--case-gold);
}

.case-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 23px;
}

.case-card-topline,
.case-card-tags,
.case-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.case-card-topline {
  justify-content: space-between;
  margin-bottom: 16px;
}

.case-id {
  color: #718079;
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.11em;
}

.case-badge {
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--case-green-dark);
  font-size: 0.72rem;
  font-weight: 820;
  background: #eaf7f1;
}

.case-badge.source-x {
  color: #425bb4;
  background: #eef1ff;
}

.case-badge.evidence {
  color: #725919;
  background: #fff2cc;
}

.case-card h3 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2vw, 1.66rem);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.case-company {
  margin: 0 0 15px;
  color: var(--case-ink-soft);
  font-size: 0.9rem;
}

.case-outcome {
  margin: 0 0 17px;
  padding: 16px;
  border-radius: 15px;
  background: linear-gradient(135deg, #102d26 0%, #174437 100%);
}

.case-outcome span {
  display: block;
  margin-bottom: 5px;
  color: #78ddb3;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.case-outcome strong {
  display: block;
  color: #fff;
  font-size: 1.05rem;
  line-height: 1.55;
}

.case-summary {
  margin: 0 0 16px;
  color: var(--case-ink-soft);
  line-height: 1.7;
}

.case-card details {
  margin: 0 0 14px;
  border-top: 1px solid var(--case-line);
  border-bottom: 1px solid var(--case-line);
}

.case-card summary {
  padding: 13px 0;
  color: var(--case-green-dark);
  font-weight: 800;
  cursor: pointer;
}

.case-detail-grid {
  display: grid;
  gap: 11px;
  padding: 0 0 15px;
}

.case-detail-grid div {
  padding: 12px;
  border-radius: 12px;
  background: var(--case-paper);
}

.case-detail-grid strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.8rem;
}

.case-detail-grid p {
  margin: 0;
  color: var(--case-ink-soft);
  font-size: 0.88rem;
  line-height: 1.6;
}

.case-talk-card {
  margin-top: auto;
  padding: 14px;
  border-left: 4px solid var(--case-gold);
  border-radius: 0 12px 12px 0;
  background: #fff7df;
}

.case-talk-card strong {
  display: block;
  margin-bottom: 5px;
  color: #75570f;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.case-talk-card p {
  margin: 0;
  color: #5e4b20;
  font-size: 0.9rem;
  line-height: 1.6;
}

.case-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}

.case-source-links a,
.case-copy-question {
  color: var(--case-green-dark);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}

.case-source-links a:hover {
  text-decoration: underline;
}

.case-copy-question {
  padding: 7px 10px;
  border: 1px solid rgba(8, 125, 85, 0.18);
  border-radius: 999px;
  font-family: inherit;
  cursor: pointer;
  background: #eef8f3;
}

.case-empty {
  padding: 42px;
  border: 1px dashed rgba(16, 35, 31, 0.24);
  border-radius: 20px;
  color: var(--case-ink-soft);
  text-align: center;
  background: rgba(255, 253, 248, 0.72);
}

.case-empty[hidden] {
  display: none;
}

.case-method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 80px;
}

.case-method-grid article {
  padding: 24px;
  border: 1px solid var(--case-line);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.86);
}

.case-method-grid span {
  display: grid;
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 850;
  background: var(--case-green-dark);
}

.case-method-grid h3 {
  margin: 0 0 9px;
}

.case-method-grid p {
  margin: 0;
  color: var(--case-ink-soft);
  line-height: 1.7;
}

.case-library-page .page-cta {
  margin-top: 0;
  border-radius: 26px;
  color: #f7f3e9;
  background: var(--case-night);
}

.case-library-page .page-cta h2 {
  color: #fffdf8;
}

.case-library-page .page-cta p {
  max-width: 760px;
  color: rgba(247, 243, 233, 0.82);
}

@media (max-width: 980px) {
  .case-hero-grid,
  .case-section-heading {
    grid-template-columns: 1fr;
  }

  .case-hero-note {
    max-width: 620px;
  }

  .demo-workbench {
    grid-template-columns: 1fr 1fr;
  }

  .demo-column:last-child {
    grid-column: 1 / -1;
    min-height: 0;
  }

  .case-controls {
    position: static;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .case-library-page .page-main {
    width: min(100% - 24px, 1240px);
    padding-top: 18px;
  }

  .case-hero {
    padding: 32px 24px;
    border-radius: 22px;
  }

  .case-hero h1 {
    font-size: clamp(2.45rem, 14vw, 4.2rem);
  }

  .case-stats {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .case-proof-strip,
  .case-grid,
  .case-method-grid {
    grid-template-columns: 1fr;
  }

  .case-proof-strip {
    gap: 1px;
  }

  .demo-panel-heading {
    flex-direction: column;
  }

  .demo-run {
    width: 100%;
  }

  .demo-workbench {
    grid-template-columns: 1fr;
  }

  .demo-column,
  .demo-column:last-child {
    grid-column: auto;
    min-height: 0;
  }

  .demo-talk {
    grid-template-columns: 1fr;
  }

  .case-card-body {
    padding: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-step {
    transition: none;
  }
}

/* Keep the public page focused on cases, outcomes and runnable demos. */
.case-card-tags,
.case-card-footer,
.case-talk-card,
.case-copy-question,
.demo-talk {
  display: none !important;
}

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

.case-detail-grid > div:nth-child(n + 2) {
  display: none;
}

.case-compact-note {
  width: min(100% - 40px, 1180px);
  margin: 18px auto 0;
  color: var(--case-ink-soft);
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
}