:root {
  --bg: #efe7db;
  --bg-deep: #0f1722;
  --surface: rgba(15, 23, 34, 0.7);
  --surface-soft: rgba(255, 248, 240, 0.58);
  --panel: rgba(255, 250, 244, 0.78);
  --panel-strong: rgba(255, 252, 248, 0.9);
  --ink: #111924;
  --ink-soft: #54606f;
  --line: rgba(17, 25, 36, 0.09);
  --gold: #ad8451;
  --gold-soft: rgba(173, 132, 81, 0.18);
  --steel: #5f7d96;
  --compare: #3c7ad8;
  --shadow: 0 30px 90px rgba(15, 23, 34, 0.14);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Instrument Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(173, 132, 81, 0.22), transparent 26%),
    radial-gradient(circle at top right, rgba(60, 122, 216, 0.16), transparent 18%),
    linear-gradient(180deg, #f7f1e7 0%, #efe7db 38%, #f8f4ee 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(17, 25, 36, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 25, 36, 0.03) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 85%);
}

body.embed-mode::before {
  display: none;
}

.site-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

body.embed-mode .site-shell {
  grid-template-columns: 1fr;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  background: linear-gradient(180deg, rgba(12, 19, 29, 0.96), rgba(22, 31, 44, 0.9));
  color: rgba(255, 252, 247, 0.92);
}

body.embed-mode .rail {
  display: none;
}

.rail-brand {
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.rail-kicker,
.kicker,
.section-kicker,
.block-kicker,
.panel-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
}

.rail-title {
  margin-top: 10px;
  font-family: "Source Serif 4", serif;
  font-size: 34px;
  line-height: 0.95;
}

.rail-meta {
  margin-top: 14px;
  color: rgba(255, 252, 247, 0.7);
  font-size: 13px;
  line-height: 1.5;
}

.rail-nav {
  display: grid;
  gap: 8px;
  margin-top: 26px;
}

.rail-nav a {
  color: rgba(255, 252, 247, 0.8);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 999px;
  transition: background 180ms ease, transform 180ms ease, color 180ms ease;
}

.rail-nav a:hover,
.rail-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateX(4px);
}

.main {
  padding: 28px;
}

body.embed-mode .main {
  padding: 14px;
}

.masthead,
.section,
.controls {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.42);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.masthead {
  display: grid;
  grid-template-columns: minmax(240px, 0.62fr) minmax(360px, 1fr);
  gap: 24px;
  padding: 34px;
  border-radius: 34px;
  background:
    radial-gradient(circle at right top, rgba(173, 132, 81, 0.26), transparent 32%),
    linear-gradient(135deg, rgba(10, 17, 27, 0.97), rgba(27, 39, 57, 0.92));
  color: #f9f4ed;
}

.masthead h1,
.section h2 {
  margin: 10px 0 0;
  font-family: "Source Serif 4", serif;
  letter-spacing: -0.04em;
}

.masthead h1 {
  font-size: clamp(42px, 5vw, 76px);
  line-height: 0.86;
  max-width: 260px;
  margin-top: 0;
}

.masthead p {
  color: rgba(249, 244, 237, 0.8);
  font-size: 17px;
  line-height: 1.55;
  margin-bottom: 0;
}

.masthead-panel {
  align-self: end;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 248, 240, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.signal-strip,
.bullet-stack {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.signal-strip div,
.bullet-item {
  position: relative;
  padding-left: 18px;
  line-height: 1.55;
}

.signal-strip div::before,
.bullet-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--gold);
}

.title-stack {
  display: inline-grid;
  gap: 0;
}

.title-stack span {
  display: block;
}

.controls {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: end;
  margin-top: 22px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255, 251, 247, 0.82);
}

body.embed-mode .controls {
  position: relative;
  top: auto;
  margin-top: 14px;
}

body.embed-mode .masthead {
  display: none;
}

body.embed-mode .section {
  margin-top: 16px;
  padding: 20px;
}

body.embed-mode .section-head {
  grid-template-columns: 1fr;
}

body.embed-mode .chart-title {
  font-size: 24px;
}

body.embed-mode .section h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.hidden {
  display: none;
}

.control-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

select,
button {
  width: 100%;
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font: inherit;
  padding: 0 14px;
}

button {
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
}

.toggle-button {
  background: linear-gradient(135deg, rgba(17, 25, 36, 0.94), rgba(59, 78, 104, 0.92));
  border-color: transparent;
  color: #fff8f1;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.56);
}

.section {
  margin-top: 22px;
  padding: 28px;
  border-radius: 30px;
  background: var(--panel);
}

.section-head,
.split-layout,
.chart-layout {
  display: grid;
  gap: 18px;
}

.section-head {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: end;
}

.section h2 {
  font-size: clamp(28px, 3vw, 46px);
  line-height: 0.96;
}

.section-copy {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.kpi {
  padding: 18px 16px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(249, 242, 233, 0.72));
  border: 1px solid rgba(17, 25, 36, 0.06);
}

.kpi-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.kpi-value {
  margin-top: 14px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.kpi-meta {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 13px;
}

.split-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.score-card {
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(246, 238, 228, 0.72));
  border: 1px solid rgba(17, 25, 36, 0.06);
}

.score-name {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.score-value {
  margin-top: 8px;
  font-size: 32px;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.score-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.editorial-block,
.chart-panel,
.table-panel,
.explorer-panel {
  padding: 22px;
  border-radius: 24px;
  background: var(--panel-strong);
  border: 1px solid rgba(17, 25, 36, 0.06);
}

.chart-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

body.compare-active .chart-layout {
  grid-template-columns: 1fr;
}

.chart-title {
  font-family: "Source Serif 4", serif;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.chart-subtitle {
  margin-top: 8px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.chart-stack {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.question-grid {
  display: grid;
  gap: 18px;
  container-type: inline-size;
}

body.compare-active .question-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.question-grid > * {
  min-width: 0;
}

.chart-stack,
.compare-grid-list,
.dumbbell-list {
  min-width: 0;
}

.mini-chart-title {
  margin: 4px 0 2px;
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.compare-key {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 8px 0 6px;
  color: var(--ink-soft);
  font-size: 12px;
}

.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 999px;
  vertical-align: middle;
}

.swatch-primary {
  background: rgba(17, 25, 36, 0.92);
}

.swatch-compare {
  background: rgba(60, 122, 216, 0.9);
}

.bar-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 90px;
  gap: 12px;
  align-items: center;
}

.bar-label {
  font-size: 14px;
  line-height: 1.35;
}

.bar-track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(95, 125, 150, 0.14);
}

.bar-fill,
.compare-fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
}

.bar-fill {
  background: linear-gradient(90deg, rgba(17, 25, 36, 0.92), rgba(95, 125, 150, 0.88));
}

.compare-fill {
  background: linear-gradient(90deg, rgba(60, 122, 216, 0.92), rgba(111, 159, 224, 0.88));
}

.bar-value {
  text-align: right;
  color: var(--ink-soft);
  font-size: 13px;
}

.compare-grid-head,
.compare-grid-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(180px, 1fr) minmax(180px, 1fr) 88px;
  gap: 14px;
  align-items: center;
}

.compare-grid-head {
  margin: 10px 0 6px;
  color: var(--ink-soft);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.compare-grid-row {
  padding: 12px 0;
  border-bottom: 1px solid rgba(17, 25, 36, 0.06);
}

.compare-grid-list {
  display: grid;
  gap: 0 28px;
}

.compare-grid-label,
.compare-cell {
  min-width: 0;
}

.compare-bar-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px;
  gap: 10px;
  align-items: center;
}

.inline-value {
  text-align: right;
  color: var(--ink-soft);
  font-size: 13px;
}

.compare-track {
  background: rgba(60, 122, 216, 0.12);
}

.dumbbell-list {
  display: grid;
  gap: 14px;
}

.dumbbell-row {
  padding: 12px 0 14px;
  border-bottom: 1px solid rgba(17, 25, 36, 0.06);
}

.dumbbell-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.dumbbell-track {
  position: relative;
  height: 24px;
}

.dumbbell-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 11px;
  height: 2px;
  background: linear-gradient(90deg, rgba(17, 25, 36, 0.16), rgba(60, 122, 216, 0.16));
}

.dumbbell-point {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(255, 252, 248, 0.95);
}

.dumbbell-point.selected {
  background: linear-gradient(90deg, rgba(17, 25, 36, 0.96), rgba(95, 125, 150, 0.92));
}

.dumbbell-point.compare {
  background: linear-gradient(90deg, rgba(60, 122, 216, 0.96), rgba(111, 159, 224, 0.92));
}

.dumbbell-values {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.opportunity-ladder {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.opportunity-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 238, 228, 0.74));
  border: 1px solid rgba(17, 25, 36, 0.06);
}

.opportunity-card-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.opportunity-rank {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.opportunity-name {
  margin-top: 6px;
  font-family: "Source Serif 4", serif;
  font-size: 30px;
  line-height: 0.96;
}

.opportunity-meta {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.45;
}

.opportunity-score {
  text-align: right;
}

.opportunity-score span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.opportunity-score strong {
  display: block;
  margin-top: 6px;
  font-size: 34px;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.metric-rails {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.metric-rail {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: center;
  color: var(--ink-soft);
  font-size: 13px;
}

.metric-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(17, 25, 36, 0.08);
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(17, 25, 36, 0.92), rgba(95, 125, 150, 0.88));
}

.metric-rail.friction .metric-fill {
  background: linear-gradient(90deg, rgba(173, 132, 81, 0.96), rgba(218, 180, 122, 0.88));
}

.delta-pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.delta-pill.positive {
  background: rgba(173, 132, 81, 0.16);
  color: #7c5a2e;
}

.delta-pill.negative {
  background: rgba(60, 122, 216, 0.12);
  color: #245bb4;
}

@media (max-width: 1540px) {
  .compare-grid-head {
    display: none;
  }

  .compare-grid-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px 0;
  }

  .compare-cell {
    width: 100%;
  }

  .delta-pill {
    justify-self: start;
  }

  .opportunity-ladder {
    grid-template-columns: 1fr;
  }
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
}

.matrix-table th,
.matrix-table td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(17, 25, 36, 0.08);
  text-align: left;
}

.matrix-table th {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.persona-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(173, 132, 81, 0.18), transparent 30%),
    rgba(255, 252, 248, 0.9);
  border: 1px solid rgba(17, 25, 36, 0.06);
}

.persona-card h3 {
  margin: 0;
  font-family: "Source Serif 4", serif;
  font-size: 30px;
  letter-spacing: -0.03em;
}

.persona-meta {
  color: var(--ink-soft);
  line-height: 1.55;
}

.explorer-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: relative;
    height: auto;
  }

  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .masthead,
  .section-head,
  .chart-layout,
  .split-layout,
  .persona-grid,
  .explorer-toolbar {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .main {
    padding: 14px;
  }

  .rail {
    padding: 18px 14px;
  }

  .masthead,
  .section,
  .controls {
    border-radius: 24px;
  }

  .masthead,
  .section,
  .controls,
  .editorial-block,
  .chart-panel,
  .table-panel,
  .persona-card {
    padding: 18px;
  }

  .controls,
  .explorer-toolbar,
  .kpi-grid,
  .score-grid {
    grid-template-columns: 1fr;
  }

  body.compare-active .question-grid {
    grid-template-columns: 1fr;
  }

  .masthead h1,
  .masthead p {
    max-width: none;
  }

  .bar-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .compare-grid-head {
    display: none;
  }

  .compare-grid-row,
  .compare-bar-wrap {
    grid-template-columns: 1fr;
  }

  .dumbbell-head,
  .dumbbell-values {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .opportunity-card-head,
  .metric-rail {
    grid-template-columns: 1fr;
  }

  .bar-value {
    text-align: left;
  }

  .inline-value {
    text-align: left;
  }

  .matrix-table {
    display: block;
    overflow-x: auto;
  }
}

@container (max-width: 760px) {
  .question-grid {
    grid-template-columns: 1fr !important;
  }
}