:root {
  --navy: #10233f;
  --navy-2: #17365f;
  --teal: #147a73;
  --teal-dark: #0d5f5a;
  --ink: #172332;
  --muted: #657184;
  --line: #d9e2df;
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-warm: #fbfaf6;
  --green: #1f7a4d;
  --blue: #2469a8;
  --red: #a33a3a;
  --soft-green: #e7f3ec;
  --soft-blue: #e7f0f8;
  --soft-red: #f8e9e7;
  --shadow: 0 14px 34px rgba(16, 35, 63, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(217, 226, 223, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.brand-lockup,
.institution-label,
.card-topline,
.section-header,
.history-row,
.economics div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-lockup {
  justify-content: flex-start;
}

.brand-lockup strong,
.institution-label strong {
  display: block;
  color: var(--navy);
  line-height: 1.1;
}

.brand-lockup > div span,
.institution-label span,
.label,
.eyebrow,
.lead,
.note,
.metric span,
.queue-main span,
.queue-risk span,
.queue-decision span,
.signal span,
.input-group span,
.input-group small,
.answer span,
.answer p,
.formula-list span,
.formula-list small,
.economics small,
.product-line,
.demo-footer {
  color: var(--muted);
}

.brand-lockup > div span,
.institution-label span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
}

.mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(20, 122, 115, 0.45);
  border-radius: 8px;
  background: var(--surface);
  color: #ffffff;
  font-weight: 850;
  overflow: hidden;
}

.mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-wordmark {
  display: block;
  width: 132px;
  max-width: 44vw;
  height: auto;
  margin-bottom: 2px;
}

.mark span {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
}

.institution-label {
  justify-content: flex-end;
  text-align: right;
}

.primary-nav {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  align-items: center;
}

.primary-nav button,
.chip,
.secondary-action,
.segmented-controls button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  padding: 8px 11px;
}

.primary-nav button {
  color: var(--muted);
  font-weight: 650;
}

.primary-nav button.active,
.primary-nav button:hover {
  border-color: rgba(20, 122, 115, 0.22);
  background: #eef7f5;
  color: var(--teal-dark);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2px 0;
  background: var(--navy);
}

main {
  width: min(1260px, 100%);
  margin: 0 auto;
  padding: 26px 28px 34px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.overview-hero {
  display: grid;
  grid-template-columns: minmax(0, 760px) auto;
  gap: 20px;
  align-items: start;
  margin-bottom: 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 26px;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-copy,
.lead {
  max-width: 820px;
  font-size: 15px;
  line-height: 1.55;
}

.eyebrow {
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: 800;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  border: 1px solid rgba(20, 122, 115, 0.24);
  border-radius: 999px;
  background: #eff8f6;
  color: var(--teal-dark);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.section-header {
  margin-bottom: 16px;
}

.subhead {
  margin-top: 22px;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chip,
.secondary-action {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
}

.chip.active {
  border-color: rgba(20, 122, 115, 0.5);
  background: #e7f4f2;
  color: var(--teal-dark);
}

.secondary-action {
  color: var(--teal-dark);
}

.answer-grid,
.kpi-grid,
.case-grid,
.rate-grid,
.relationship-summary,
.input-groups {
  display: grid;
  gap: 12px;
}

.answer-grid {
  grid-template-columns: repeat(4, minmax(170px, 1fr));
  margin-bottom: 14px;
}

.answer {
  min-height: 142px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid #cddbd3;
  border-top: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--surface);
  padding: 15px;
}

.answer strong {
  display: block;
  margin: 9px 0;
  color: var(--navy);
  font-size: 29px;
  line-height: 1.05;
}

.answer p {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.38;
}

.kpi-grid {
  grid-template-columns: repeat(2, minmax(210px, 1fr));
  margin-bottom: 14px;
}

.panel,
.decision-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
}

.readout {
  border-left: 4px solid var(--teal);
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card,
.queue-row {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
}

.case-card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.case-card:hover,
.queue-row:hover,
.queue-row.selected {
  border-color: rgba(20, 122, 115, 0.45);
  box-shadow: var(--shadow);
}

.card-topline {
  align-items: flex-start;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-warm);
  padding: 10px;
}

.metric strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.15;
}

.metric small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.pill {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  padding: 6px 8px;
  color: #344036;
  background: #eef1ef;
  font-size: 11px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
}

.pill.green {
  color: var(--green);
  background: var(--soft-green);
}

.pill.blue {
  color: var(--blue);
  background: var(--soft-blue);
}

.pill.danger {
  color: var(--red);
  background: var(--soft-red);
}

.pill.muted {
  color: #596574;
}

.queue {
  display: grid;
  gap: 9px;
}

.queue-row {
  display: grid;
  grid-template-columns: minmax(210px, 1.2fr) minmax(150px, 0.8fr) minmax(220px, 1fr) minmax(220px, 1.2fr);
  gap: 12px;
  align-items: center;
  padding: 13px;
}

.queue-main strong,
.queue-risk strong,
.queue-decision strong {
  display: block;
  color: var(--navy);
}

.queue-main span,
.queue-risk span,
.queue-decision span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
}

.queue-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.decision-panel {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 12px;
  border-left: 5px solid var(--teal);
}

.decision-panel.green {
  border-left-color: var(--green);
}

.decision-panel.blue {
  border-left-color: var(--blue);
}

.decision-panel.danger {
  border-left-color: var(--red);
}

.decision-panel h1 {
  font-size: 30px;
}

.recommendation-block {
  min-width: 280px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-warm);
  padding: 14px;
}

.recommendation-block span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.recommendation-block strong {
  display: block;
  margin-top: 6px;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.2;
}

.rate-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 14px;
}

.detail-sections {
  display: grid;
  gap: 10px;
}

.detail-section {
  padding: 0;
  overflow: clip;
}

.detail-section summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 13px 16px;
  color: var(--navy);
  font-weight: 850;
  cursor: pointer;
}

.panel-body {
  border-top: 1px solid var(--line);
  padding: 16px;
}

.two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
}

.economics,
.formula-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.economics div,
.formula-list div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.economics span,
.formula-list span {
  display: block;
  font-size: 12px;
  font-weight: 750;
}

.economics strong,
.formula-list strong {
  display: block;
  margin-top: 3px;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.35;
}

.math-box {
  display: grid;
  place-content: center;
  border: 1px solid #d1dfdc;
  border-radius: 8px;
  background: #eff7f5;
  padding: 16px;
  text-align: center;
}

.math-box span {
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.math-box strong {
  margin: 8px 0;
  color: var(--navy);
  font-size: 40px;
  line-height: 1;
}

.math-box p {
  margin-bottom: 0;
  color: var(--muted);
}

.signal-summary {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
}

.signal-summary strong {
  color: var(--navy);
}

.signal-summary span {
  color: var(--muted);
  font-size: 13px;
}

.signals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.signal {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-warm);
  padding: 11px;
}

.signal strong,
.signal span {
  display: block;
}

.signal strong {
  color: var(--navy);
  line-height: 1.25;
}

.signal span {
  margin-top: 5px;
  font-size: 12px;
}

.technical-evidence {
  margin-top: 12px;
}

.technical-evidence summary {
  min-height: auto;
  padding: 0;
  color: var(--teal-dark);
  font-size: 13px;
}

.relationship-summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-line {
  margin: 12px 0 0;
  line-height: 1.45;
}

.talking-points {
  margin: 0 0 16px;
  padding-left: 20px;
}

.talking-points li {
  margin: 7px 0;
}

.action-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.segmented-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.segmented-controls button {
  border-color: var(--line);
  background: var(--surface-warm);
}

.note-field {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.note-field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.note-field textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
}

.data-needed,
.tags,
.calibration-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.data-needed span,
.tags span,
.calibration-list span {
  border: 1px solid #cbdad6;
  border-radius: 999px;
  background: var(--surface-warm);
  padding: 7px 9px;
  color: var(--ink);
  font-size: 12px;
}

.data-needed .optional,
.muted-tags span {
  color: var(--muted);
}

.backtest-summary {
  grid-template-columns: repeat(6, minmax(135px, 1fr));
}

.backtest-summary .answer {
  min-height: 120px;
}

.backtest-summary .answer strong {
  font-size: 24px;
}

.history-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 12px;
}

.history-row > div:first-child {
  min-width: 260px;
}

.history-row strong,
.history-row span {
  display: block;
}

.history-row span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.input-groups {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.input-group {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-warm);
  padding: 12px;
}

.input-group strong {
  color: var(--navy);
}

.template {
  margin-bottom: 16px;
}

.demo-footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-size: 12px;
}

@media (max-width: 1100px) {
  .answer-grid,
  .case-grid,
  .backtest-summary,
  .input-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .queue-row,
  .history-row {
    grid-template-columns: 1fr 1fr;
  }

  .rate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-header {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 10px 14px;
  }

  .brand-lockup {
    min-width: 0;
  }

  .brand-lockup > div:last-child {
    min-width: 0;
  }

  .brand-lockup > div span {
    display: none;
  }

  .institution-label {
    grid-column: 1 / 2;
    grid-row: 2;
    justify-content: flex-start;
    text-align: left;
  }

  .institution-label strong {
    font-size: 13px;
  }

  .institution-label span {
    font-size: 11px;
  }

  .menu-toggle {
    display: grid;
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .primary-nav {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 6px;
    padding-top: 8px;
  }

  .primary-nav.open {
    display: grid;
  }

  .primary-nav button {
    width: 100%;
    min-height: 42px;
    text-align: left;
  }

  main {
    padding: 18px 14px 26px;
  }

  .overview-hero,
  .section-header,
  .decision-panel,
  .two,
  .action-columns {
    grid-template-columns: 1fr;
  }

  .overview-hero,
  .section-header,
  .decision-panel {
    display: grid;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 22px;
  }

  .answer-grid,
  .kpi-grid,
  .case-grid,
  .backtest-summary,
  .signals,
  .relationship-summary,
  .input-groups,
  .queue-row,
  .history-row,
  .rate-grid {
    grid-template-columns: 1fr;
  }

  .answer {
    min-height: auto;
  }

  .answer strong {
    font-size: 27px;
  }

  .mini-metrics {
    grid-template-columns: 1fr;
  }

  .recommendation-block {
    min-width: 0;
  }

  .math-box strong {
    font-size: 34px;
  }

  .filters {
    justify-content: flex-start;
  }
}

@media (max-width: 430px) {
  .mark {
    width: 36px;
    height: 36px;
  }

  .brand-lockup strong {
    font-size: 15px;
  }

  h1 {
    font-size: 27px;
  }

  .panel,
  .decision-panel {
    padding: 14px;
  }

  .panel-body {
    padding: 14px;
  }

  .chip {
    flex: 1 1 calc(50% - 8px);
  }

  .pill {
    white-space: normal;
  }
}

.demo-ribbon{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:8px 24px;background:#10233f;color:#dce8f4;font-size:12px}
.demo-ribbon strong{color:#81e3d9}
.demo-ribbon a{color:#fff;font-weight:800;text-decoration:none}
.demo-ribbon a:hover{text-decoration:underline}
.brand-home-link{text-decoration:none;color:inherit}
.demo-guide{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 18px}
.demo-guide>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;min-width:0}
.demo-guide span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--soft-green);color:var(--teal-dark);font-size:11px;font-weight:900;margin-bottom:8px}
.demo-guide strong{display:block;color:var(--navy);font-size:13px;margin-bottom:4px}
.demo-guide small{display:block;color:var(--muted);font-size:11px;line-height:1.4}
.demo-footer a{color:var(--teal-dark);font-weight:800}
@media(max-width:900px){
  .demo-ribbon{align-items:flex-start;flex-direction:column}
  .demo-guide{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .demo-guide{grid-template-columns:1fr}
}

.answer-button{cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.answer-button:hover,.answer-button:focus-visible{border-color:rgba(20,122,115,.5);box-shadow:0 8px 20px rgba(16,35,63,.08);transform:translateY(-1px);outline:none}
.drilldown-label{display:block;margin-top:10px;color:var(--teal-dark)!important;font-size:11px;font-weight:800}
.detail-breadcrumb{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--muted);font-size:12px}
.detail-breadcrumb button{border:0;background:transparent;color:var(--teal-dark);font-weight:800;padding:4px 0}
.history-row-button{width:100%;border:0;background:transparent;text-align:left;font:inherit;color:inherit;cursor:pointer}
.history-row-button:hover,.history-row-button:focus-visible{background:#f0f7f5;outline:2px solid rgba(20,122,115,.15);outline-offset:-2px}
@media(max-width:700px){.detail-breadcrumb span{display:none}}