:root {
  --bg: #e7e4dc;
  --bg-alt: #eeebe3;
  --card: #f4f2ec;
  --ink: #2b2e2d;
  --ink-soft: #3c3f3a;
  --muted: #54574f;
  --faint: #9a9c92;
  --line: rgba(43, 46, 45, .12);
  --line-soft: rgba(43, 46, 45, .07);
  --green: #6f8f6a;
  --green-dark: #5a7a55;
  --green-strong: #5f7d5a;
  --red: #d75b4f;
  --red-dark: #b0574a;
  --red-strong: #c0503f;
  --amber: #be9646;
  --amber-dark: #8a6d3b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  color: var(--ink-soft);
}

a { color: inherit; text-decoration: none; }

h1, h2 { font-family: 'Spectral', serif; font-weight: 400; color: var(--ink); margin: 0; }

mark { padding: 1px 2px; border-radius: 2px; }
.mk-pos { background: rgba(111, 143, 106, .24); color: var(--ink-soft); }
.mk-neg { background: rgba(215, 91, 79, .22); color: var(--ink-soft); }
.mk-neu { background: rgba(158, 151, 150, .28); color: var(--ink-soft); }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot-pos { background: var(--green); }
.dot-neg { background: var(--red); }
.dot-amber { background: var(--amber); }
.dot-neu { background: #9e9796; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.btn {
  display: inline-block;
  padding: 13px 25px;
  border-radius: 2px;
  font-weight: 500;
  font-size: 14.5px;
  cursor: pointer;
}
.btn-dark { background: var(--ink); color: var(--card); }
.btn-light { background: var(--card); color: var(--ink); }
.btn-outline { border: 1px solid var(--ink); color: var(--ink); padding: 9px 19px; font-weight: 500; font-size: 14px; }

.link-underline {
  font-size: 14.5px;
  color: var(--ink);
  border-bottom: 1px solid var(--green);
  padding-bottom: 2px;
}

/* ---------- Nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 44px;
  border-bottom: 1px solid var(--line);
  max-width: 1240px;
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: 'Spectral', serif;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--ink);
}
.nav-brand .dot { background: var(--green); }
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: .94fr 1.06fr;
  gap: 52px;
  align-items: center;
  padding: 64px 44px 66px;
  max-width: 1240px;
  margin: 0 auto;
}
h1 { font-size: 52px; line-height: 1.06; letter-spacing: -.01em; margin-bottom: 22px; }
.lede { font-size: 16.5px; line-height: 1.6; color: var(--muted); margin: 0 0 30px; max-width: 460px; }
.hero-actions { display: flex; gap: 18px; align-items: center; }

.review-card { padding: 22px 24px; box-shadow: 0 6px 26px rgba(43, 46, 45, .07); }
.stars { font-size: 12px; color: var(--faint); margin-bottom: 12px; font-family: 'IBM Plex Mono', monospace; }
.review-text { font-size: 15px; line-height: 1.75; color: var(--ink-soft); margin: 0 0 16px; }
.review-text-lg { font-size: 16.5px; line-height: 1.78; margin: 0; }

.signal-list {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.signal-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.signal-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.signal-em-neg { color: var(--red-dark); }
.signal-em-pos { color: var(--green-dark); }
.signal-tag { font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .05em; }
.signal-tag-neg { color: var(--red-dark); }
.signal-tag-amber { color: var(--amber-dark); }
.signal-tag-pos { color: var(--green-dark); }

.review-meta {
  margin-top: 10px;
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--faint);
}

/* ---------- Demo banner ---------- */
.demo-banner {
  padding: 15px 44px;
  border-top: 1px solid rgba(43, 46, 45, .1);
  background: var(--card);
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--green-dark);
}

/* ---------- View sections ---------- */
.view {
  padding: 58px 44px;
  background: var(--card);
  border-top: 1px solid rgba(43, 46, 45, .1);
  max-width: 1240px;
  margin: 0 auto;
}
.view-alt { background: var(--bg-alt); }
.view h2 { font-size: 31px; margin-bottom: 10px; max-width: 640px; line-height: 1.22; }
.view-lede { font-size: 15px; color: var(--muted); max-width: 640px; line-height: 1.55; margin: 0 0 30px; }
.view-note { font-size: 13.5px; color: var(--green-dark); font-style: italic; margin: 0 0 30px; }

/* ---------- View 01 ---------- */
.v01-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 34px;
  align-items: start;
  margin-bottom: 22px;
}
.v01-grid .card { padding: 26px 28px; }
.aspect-table { padding: 16px 18px; }

.aspect-row {
  display: grid;
  grid-template-columns: 1.35fr .75fr .8fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line-soft);
}
.aspect-row-last { border-bottom: none; }
.aspect-head {
  padding: 0 2px 8px;
  border-bottom: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--faint);
  align-items: end;
}
.aspect-phrase { font-size: 12.5px; color: var(--ink-soft); }
.aspect-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px;
  letter-spacing: .04em;
  color: var(--muted);
  background: #e7e3d9;
  padding: 3px 7px;
  border-radius: 2px;
}
.aspect-sent { display: flex; align-items: center; gap: 6px; }
.aspect-sent-label { font-size: 12px; font-weight: 500; }
.aspect-sent-pos { color: var(--green-dark); }
.aspect-sent-neg { color: var(--red-dark); }
.aspect-sent-neu { color: #6b6e66; }

.pill { font-size: 11px; padding: 3px 9px; border-radius: 20px; white-space: nowrap; }
.pill-row { display: flex; gap: 5px; flex-wrap: wrap; }
.pill-pos { color: var(--green-dark); background: rgba(111, 143, 106, .16); }
.pill-neg { color: var(--red-dark); background: rgba(215, 91, 79, .16); }
.pill-amber { color: var(--amber-dark); background: rgba(190, 150, 70, .18); }

.derived-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}
.derived-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.derived-card { padding: 16px 18px; }
.derived-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.derived-head-pos { color: var(--green-dark); }
.derived-head-amber { color: var(--amber-dark); }
.derived-head-neg { color: var(--red-dark); }
.derived-body { font-size: 13.5px; line-height: 1.5; color: var(--ink-soft); }

/* ---------- View 02 ---------- */
.pin-badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px solid rgba(43, 46, 45, .16);
  border-radius: 3px;
  padding: 8px 14px;
  margin-bottom: 22px;
}
.sec2-panel {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 34px;
  align-items: start;
  background: #fff;
  padding: 24px 26px;
}
.sec2-treemap-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--faint);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.treemap { width: 100%; height: auto; display: block; border-radius: 4px; overflow: hidden; }
.tm-title { font-size: 11.5px; font-family: 'Instrument Sans', sans-serif; fill: #fff; font-weight: 600; }
.tm-sub { font-size: 10px; font-family: 'IBM Plex Mono', monospace; fill: rgba(255, 255, 255, .82); }
.tm-group { font-size: 8.5px; font-family: 'IBM Plex Mono', monospace; fill: rgba(255, 255, 255, .8); letter-spacing: .08em; }

.aspect-row-5col { grid-template-columns: 1.1fr .7fr 1fr 1.1fr 1.35fr; padding: 12px 2px; }
.aspect-name { font-size: 14px; color: var(--ink); font-weight: 500; }
.aspect-group {
  font-size: 9.5px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--faint);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-top: 2px;
}
.aspect-vol { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--ink-soft); }
.ngram-col { display: flex; flex-direction: column; gap: 2px; }
.ngram-col span { font-size: 12px; color: #6b6e66; }

.sent-track { position: relative; height: 12px; }
.sent-base { position: absolute; top: 5px; left: 0; right: 0; height: 2px; background: #e0dcd2; }
.sent-mid { position: absolute; top: 1px; left: 50%; width: 1px; height: 10px; background: rgba(43, 46, 45, .3); }
.sent-fill { position: absolute; top: 3px; height: 6px; border-radius: 3px; }
.sent-dot { position: absolute; top: 1px; width: 6px; height: 10px; margin-left: -3px; border-radius: 2px; }

/* ---------- View 03 ---------- */
.v03-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 270px;
  align-items: start;
  margin-bottom: 80px;
}
.v03-controls { position: relative; min-width: 360px; }

.chip-block { display: flex; flex-direction: column; gap: 10px; }
.chip-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 10px;
  text-align: right;
}
.chip-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.chip-row-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--faint);
  text-transform: uppercase;
  margin-right: 2px;
}
.chip {
  padding: 6px 12px;
  font-size: 12.5px;
  border-radius: 20px;
  cursor: pointer;
  border: 1px solid rgba(43, 46, 45, .2);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.chip:hover { border-color: var(--ink); }
.chip.active { border-color: var(--ink); background: var(--ink); color: var(--card); }

.chip-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .03em;
  color: #8a8c82;
  margin-top: 10px;
  text-align: right;
}
.chip-divider { border-top: 1px solid rgba(43, 46, 45, .14); margin-top: 16px; padding-top: 14px; }

.bar-axis {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.bar-axis-spacer { width: 120px; }
.bar-axis-labels {
  flex: 1;
  display: flex;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--faint);
}
.bar-axis-labels .neg { color: var(--red-dark); }
.bar-axis-labels .mid { color: var(--muted); }
.bar-axis-labels .pos { color: var(--green-dark); }
.bar-axis-caption {
  width: 150px;
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--faint);
}

.bar-list { display: flex; flex-direction: column; gap: 12px; }
.bar-row { display: flex; align-items: center; gap: 16px; }
.bar-label {
  width: 120px;
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.bar-track { flex: 1; position: relative; height: 24px; background: #eae6dd; border-radius: 2px; }
.bar-mid { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: rgba(43, 46, 45, .35); }
.bar-fill { position: absolute; top: 4px; bottom: 4px; border-radius: 2px; }
.bar-status { width: 150px; text-align: right; display: flex; flex-direction: column; align-items: flex-end; }
.bar-status-label { font-size: 13px; font-weight: 500; }
.bar-status-delta { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--faint); }

/* ---------- View 04 ---------- */
.chart-legend { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 18px; font-size: 12.5px; color: var(--muted); }
.legend-item { display: flex; align-items: center; gap: 7px; }
.legend-swatch { width: 16px; height: 3px; display: inline-block; }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.chart-card { padding: 15px 16px; background: #fff; }
.chart-title { font-family: 'Spectral', serif; font-size: 15px; color: var(--ink); margin-bottom: 4px; line-height: 1.25; }
.chart-title em { font-style: italic; }
.drift-chart { width: 100%; height: auto; display: block; }
.grid-line { stroke: rgba(43, 46, 45, .07); stroke-width: 1; }
.now-line { stroke: rgba(43, 46, 45, .3); stroke-width: 1; stroke-dasharray: 3 4; }
.chart-label { font-size: 9.5px; font-family: 'IBM Plex Mono', monospace; fill: var(--faint); }
.chart-label-now { fill: var(--ink); }
.chart-caption {
  margin-top: 9px;
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 12.5px;
  font-style: italic;
  color: #7a6a5c;
  line-height: 1.4;
}
.caption-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin-top: 5px; flex: none; }

/* ---------- Departments ---------- */
.dept-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 20px; margin-bottom: 22px; }
.dept-card { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.dept-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-dark);
}
.dept-q { font-family: 'Spectral', serif; font-size: 17px; line-height: 1.32; color: var(--ink); min-height: 68px; }
.dept-chart { width: 100%; height: auto; display: block; }
.dept-chart-label { font-family: 'IBM Plex Mono', monospace; font-size: 9px; fill: var(--muted); }
.dept-chart-label-neg { fill: var(--red-dark); }
.dept-note { font-size: 12.5px; color: var(--muted); line-height: 1.45; }
.dept-footer { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .06em; color: var(--muted); }

/* ---------- Closing ---------- */
.closing {
  padding: 58px 44px 54px;
  background: var(--ink);
  color: var(--card);
  max-width: 1240px;
  margin: 0 auto;
}
.closing h2 { color: var(--card); font-size: 31px; margin-bottom: 36px; line-height: 1.22; }
.closing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(244, 242, 236, .16);
  border: 1px solid rgba(244, 242, 236, .16);
  margin-bottom: 44px;
}
.closing-cell { background: var(--ink); padding: 24px 22px; }
.closing-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #8aa87f;
  letter-spacing: .06em;
  margin-bottom: 12px;
}
.closing-text { font-size: 14px; line-height: 1.5; color: #c9cbc2; }
.closing-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 28px; }
.closing-stats { display: flex; gap: 60px; flex-wrap: wrap; }
.closing-stat-num { font-family: 'Spectral', serif; font-size: 42px; font-weight: 400; }
.closing-stat-label { font-size: 12px; color: #a7a99f; font-family: 'IBM Plex Mono', monospace; letter-spacing: .04em; margin-top: 5px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero, .v01-grid, .sec2-panel, .v03-head, .chart-grid, .dept-grid, .derived-grid, .closing-grid {
    grid-template-columns: 1fr;
  }
  .v03-head {
    gap: 50px;
  }
  .bar-status {
      width: 100px;
  }
  .bar-label {
      width: 80px;
  }
  .aspect-row-5col, .aspect-row { grid-template-columns: 1fr; gap: 4px; }
  .aspect-head { display: none; }
  h1 { font-size: 38px; }
  .view, .hero, .nav, .closing { padding-left: 22px; padding-right: 22px; }
  .v03-controls { top: 0; }
}