:root {
  /* GroundTruth brand — ground-truth.in */
  --bg: #f3f6f5;
  --bg-band: #e4ebe7;
  --ink: #13261b;
  --muted: #5e6b64;
  --line: #cfd8d2;
  --paper: #ffffff;
  --accent: #48a47c;
  --accent-deep: #193625;
  --accent-blue: #363f8c;
  --accent-mid: #3b5b88;
  --brand-gradient: radial-gradient(circle at 50% 0%, #48a47c 0%, #3b5b88 53%, #363f8c 100%);
  --jur: #193625;
  --num: #3b5b88;
  --tmp: #a85613;
  --adv: #8a3d2a;
  --good: #193625;
  --bad: #8a3d2a;
  --display: "Poppins", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
}

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
}

.brand-product {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}

.mode-nav {
  display: inline-flex;
  gap: 0.15rem;
  padding: 0.2rem;
  background: var(--bg-band);
  border-radius: 8px;
}

.mode {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.95rem;
  border-radius: 6px;
  cursor: pointer;
}

.mode.active {
  background: var(--paper);
  color: var(--accent-deep);
}

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

/* Blog */
.post-hero {
  position: relative;
  margin: 0 0 2.25rem;
  overflow: hidden;
  border-radius: 12px;
  background: var(--accent-deep);
  color: #f3f6f5;
}

.hero-visual {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(19, 38, 27, 0.92) 0%, rgba(25, 54, 37, 0.78) 42%, rgba(54, 63, 140, 0.55) 100%),
    url("./assets/gt-hero.jpg") center / cover no-repeat;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 3vw, 2rem);
  max-width: 42rem;
}

.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9fd4b8;
}

.post-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: #fff;
  max-width: 22ch;
}

.post-hero .deck {
  margin: 0 0 1rem;
  max-width: 40rem;
  color: rgba(243, 246, 245, 0.86);
  font-size: 1.05rem;
}

.post-hero .byline {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(243, 246, 245, 0.7);
}

.deck {
  margin: 0 0 1rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.byline {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin: 2.75rem 0 0.9rem;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  scroll-margin-top: 1.25rem;
}

.prose h3 {
  margin: 1.75rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.prose p,
.prose li {
  color: var(--ink);
}

.prose a {
  color: var(--accent-deep);
  text-underline-offset: 0.15em;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-band);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.toc {
  margin: 0 0 2.25rem;
  padding: 1.1rem 1.25rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  max-width: 42rem;
}

.toc-label {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
}

.toc li + li {
  margin-top: 0.3rem;
}

.toc a {
  color: var(--accent-deep);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.toc a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.prop-list {
  margin: 1rem 0 1.35rem;
  padding-left: 1.15rem;
}

.prop-list li + li {
  margin-top: 0.75rem;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 1.25rem 0 1.75rem;
}

@media (min-width: 640px) {
  .stat-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .stat-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

.stat-strip-slices {
  margin-top: -0.85rem;
}

.stat.jur .stat-value { color: var(--jur); }
.stat.num .stat-value { color: var(--num); }
.stat.tmp .stat-value { color: var(--tmp); }
.stat.adv .stat-value { color: var(--adv); }

.stat {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.85rem 0.9rem;
  border-radius: 8px;
}

.stat-value {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.stat-label {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.3;
}

.table-wrap {
  margin: 1.25rem 0 1.75rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table caption {
  caption-side: top;
  text-align: left;
  padding: 0.85rem 1rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.data-table th,
.data-table td {
  padding: 0.65rem 1rem;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line);
}

.data-table thead th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-band);
  border-top: 0;
}

.data-table td.num,
.data-table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 0.88rem;
  white-space: nowrap;
}

.data-table code {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.muted-cell {
  color: var(--muted);
  font-size: 0.88rem;
}

.pipeline {
  margin: 0.75rem 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  max-width: 42rem;
}

.pipeline li {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.95rem 1.05rem;
}

.pipe-step {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.pipe-blurb {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-size: 0.95rem;
}

.pipe-tag {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.pipe-tag code {
  font-family: var(--mono);
  font-size: 0.78rem;
}

.findings {
  margin: 1rem 0 1.5rem;
  padding-left: 1.2rem;
}

.findings li + li {
  margin-top: 0.85rem;
}

.cite {
  margin: 0.75rem 0 1rem;
  padding: 1rem 1.1rem;
  background: var(--accent-deep);
  color: #f3f6f5;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.5;
  max-width: 42rem;
  border-radius: 8px;
}

.cite code {
  font-family: var(--mono);
  background: transparent;
  padding: 0;
  color: inherit;
}

.results-hero {
  margin: 0 0 1.75rem;
  max-width: 42rem;
}

.results-hero .kicker {
  margin: 0 0 0.5rem;
}

.results-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.2;
  color: var(--ink);
}

.results-post .stat-strip {
  margin-bottom: 1.5rem;
}

.muted-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.foot {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  display: grid;
  gap: 0.75rem;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--accent-deep);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
}

.foot-brand img {
  border-radius: 6px;
}

.foot p {
  margin: 0;
}

.foot a {
  color: var(--accent-deep);
}

@media (max-width: 640px) {
  .post-hero h1 {
    max-width: none;
  }
}

.text-link {
  border: 0;
  background: none;
  padding: 0;
  color: var(--accent-deep);
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  cursor: pointer;
}

.cat-blocks {
  display: grid;
  gap: 1.5rem;
  margin: 1.75rem 0 0.5rem;
}

.cat-block {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 1.25rem 1.35rem 1.4rem;
}

.cat-block.jur { border-left-color: var(--jur); }
.cat-block.num { border-left-color: var(--num); }
.cat-block.tmp { border-left-color: var(--tmp); }
.cat-block.adv { border-left-color: var(--adv); }

.cat-code {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.cat-block h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
}

.cat-tests {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.cat-desc {
  margin: 0 0 1.1rem;
  max-width: 38rem;
}

.pair {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.pair-q {
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.pair-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .pair-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.verdict {
  padding: 0.85rem 0.95rem;
  border-radius: 6px;
  background: var(--bg-band);
}

.verdict.good {
  background: rgba(72, 164, 124, 0.12);
}

.verdict.bad {
  background: rgba(138, 61, 42, 0.08);
}

.verdict-label {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.verdict.good .verdict-label { color: var(--good); }
.verdict.bad .verdict-label { color: var(--bad); }

.verdict p {
  margin: 0;
  font-size: 0.95rem;
}

.pair-why {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Explorer */
.explore-head h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
}

.explore-controls {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0 1rem;
}

@media (min-width: 720px) {
  .explore-controls {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 6px;
}

.explore-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#explore-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.composition {
  display: flex;
  height: 8px;
  width: min(280px, 100%);
  overflow: hidden;
  border-radius: 999px;
  background: var(--bg-band);
}

.composition span {
  display: block;
  height: 100%;
}

.composition .jur { background: var(--jur); }
.composition .num { background: var(--num); }
.composition .tmp { background: var(--tmp); }
.composition .adv { background: var(--adv); }

.explore-list {
  display: grid;
  gap: 0.85rem;
}

.item {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem 1.15rem;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-band);
  color: var(--muted);
}

.chip.jur { color: var(--jur); background: rgba(25, 54, 37, 0.1); }
.chip.num { color: var(--num); background: rgba(59, 91, 136, 0.12); }
.chip.tmp { color: var(--tmp); background: rgba(168, 86, 19, 0.1); }
.chip.adv { color: var(--adv); background: rgba(138, 61, 42, 0.1); }

.item-q {
  margin: 0 0 0.65rem;
  font-weight: 600;
}

.item-a {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.item details {
  margin-top: 0.75rem;
}

.item summary {
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.item .sources {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
}

.item .sources a {
  color: var(--accent-deep);
  word-break: break-all;
}

.cite-list {
  list-style: none;
  margin: 0.65rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.cite-card {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.cite-card:hover,
.cite-card:focus-visible,
.cite-card.is-active {
  border-color: var(--accent);
  background: #eef6f2;
  outline: none;
}

.cite-card-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--accent-deep);
  margin-bottom: 0.2rem;
}

.cite-card-snip {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

.cite-panel {
  margin-top: 0.65rem;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 0.75rem 0.85rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink);
}

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

.cite-panel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin-bottom: 0.55rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.cite-panel-meta a {
  color: var(--accent-deep);
  font-weight: 600;
}

.cite-passage {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.cite-passage mark,
.item-a mark.cite-ans {
  background: rgba(72, 164, 124, 0.28);
  color: inherit;
  padding: 0.05em 0.1em;
  border-radius: 2px;
}

.item-a mark.cite-ans {
  cursor: pointer;
  border-bottom: 1px solid rgba(72, 164, 124, 0.55);
}

.item-a mark.cite-ans.is-active {
  background: rgba(72, 164, 124, 0.45);
}

.cite-ctx {
  color: var(--muted);
}

.empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
}