/* benchmark/styles.css — page-specific styles. Foundations come from
   colors_and_type.css. This file adds layout, the comparison cards, the
   per-task grid heatmap, and the FAQ accordion. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg-1);
  min-height: 100vh;
  /* Persistent grain overlay — required on every page per brand */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.04'/></svg>");
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  /* Top padding clears the 64px fixed homepage-parity nav. */
  padding: 96px 32px 120px;
  position: relative;
}

/* ── Breadcrumb strip (sits inside the React root, below the fixed nav) ── */
.benchmark-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.benchmark-breadcrumbs a {
  color: var(--fg-2);
  text-decoration: none;
  transition: color 200ms ease;
}
.benchmark-breadcrumbs a:hover { color: var(--accent); }
.benchmark-breadcrumbs .sep {
  color: var(--fg-3);
}
.benchmark-breadcrumbs .crumb {
  color: var(--fg-3);
}
.benchmark-breadcrumbs .crumb-here {
  color: var(--fg-2);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 40px 0 72px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.hero::before {
  /* radial glow behind hero, per brand */
  content: '';
  position: absolute;
  inset: -64px -64px auto -64px;
  height: 320px;
  background: radial-gradient(60% 80% at 50% 0%, rgba(60,255,208,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--accent-70);
  margin-bottom: 32px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(60,255,208,0.7);
}
.hero h1 {
  margin: 0;
  font-size: clamp(48px, 6.2vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 19ch;
}
.hero h1 .stat,
.batch-header h1 .stat {
  font-family: var(--font-mono);
  font-style: normal;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.88em;
  letter-spacing: -0.02em;
}
.hero-meta {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  display: flex; flex-wrap: wrap; gap: 8px 18px;
}
.hero-meta .dot-sep { color: var(--fg-3); }

.hero-ctas {
  margin-top: 40px;
  display: flex; gap: 14px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 14px 22px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg-1);
  cursor: pointer;
  transition: transform 180ms cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--border-accent); }
.btn.primary {
  background: var(--accent);
  color: #05070a;
  border-color: var(--accent);
  font-weight: 600;
}
.btn.primary:hover {
  box-shadow: 0 0 32px rgba(60,255,208,0.25);
}
.btn .arrow { font-size: 14px; line-height: 1; }

/* ── Section header ───────────────────────────────────────── */
.section { padding: 72px 0; border-bottom: 1px solid var(--border); }
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 32px; margin-bottom: 32px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 24ch;
}
.section-head .blurb {
  max-width: 40ch;
  font-size: 15px;
  color: var(--fg-1);
  line-height: 1.7;
  font-weight: 300;
}

/* ── Inversion callout (the headline number) ──────────────── */
.inversion {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 40px 32px;
  background: linear-gradient(180deg, rgba(60,255,208,0.03), transparent 60%), var(--surface);
  overflow: hidden;
}
.inversion::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.6;
}
.inversion-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}
.inversion-side {
  display: flex; flex-direction: column; gap: 4px;
}
.inversion-side .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 12px;
}
.inversion-side .stat-row {
  display: flex; align-items: baseline; gap: 16px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.inversion-side .stat-row .v {
  font-size: 28px;
  font-weight: 600;
  color: var(--fg-1);
  letter-spacing: -0.02em;
}
.inversion-side .stat-row .k {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.inversion-side.left .v { color: var(--accent); }
.inversion-vs {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--fg-3);
  font-size: 28px;
}
.inversion-caption {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-2);
}
.inversion-caption strong { color: var(--fg-1); }

/* ── Privacy by design ────────────────────────────────────── */
.privacy-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 40px 32px;
  background: linear-gradient(180deg, rgba(157,140,255,0.04), transparent 60%), var(--surface);
  overflow: hidden;
}
.privacy-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, #9d8cff 50%, transparent);
  opacity: 0.6;
}
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}
.privacy-side {
  display: flex; flex-direction: column; gap: 10px;
}
.privacy-side .privacy-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 4px;
}
.privacy-side .privacy-label .muted {
  color: var(--fg-3);
  letter-spacing: 0.1em;
}
.privacy-side .privacy-answer {
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--fg-1);
}
.privacy-side .privacy-answer code {
  font-family: inherit;
  background: none;
  padding: 0;
  color: inherit;
}
.privacy-side .privacy-note {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--fg-3);
}
.privacy-side .privacy-counter {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}
.privacy-side .privacy-counter-v {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg-1);
}
.privacy-side .privacy-counter-k {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
  line-height: 1.4;
}
.privacy-side.jdc .privacy-answer { border-color: rgba(60,255,208,0.25); }
.privacy-side.jdc .privacy-note { color: var(--accent); }
.privacy-side.jdc .privacy-counter { border-color: rgba(60,255,208,0.25); }
.privacy-side.jdc .privacy-counter-v { color: var(--accent); }
.privacy-side.bypass .privacy-answer { border-color: rgba(255,120,120,0.18); }
.privacy-side.bypass .privacy-counter { border-color: rgba(255,120,120,0.18); }
.privacy-side.bypass .privacy-counter-v { color: var(--accent-warm); }
.privacy-vs {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--fg-3);
  font-size: 28px;
}
.privacy-caption {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-2);
}
.privacy-caption em { color: var(--fg-1); font-style: italic; }
.privacy-footnote {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-3);
}
.privacy-footnote p {
  margin: 0;
}
.privacy-footnote p + p {
  margin-top: 10px;
}

/* ── Pair cards (one per model variant) ───────────────────── */
.pairs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.pair-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 28px 24px 24px;
  overflow: hidden;
  transition: transform 200ms ease, border-color 200ms ease;
}
.pair-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.4;
  transition: opacity 200ms ease;
}
.pair-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
}
.pair-card:hover::before { opacity: 0.9; }
.pair-card.pending {
  border-style: dashed;
  background: transparent;
  opacity: 0.7;
}
.pair-card.pending::before { display: none; }
.pair-tier {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-70);
  margin-bottom: 6px;
}
.pair-model {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  margin-bottom: 28px;
}
.pair-multiple {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 28px;
}
.pair-multiple .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 64px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 0.9;
}
.pair-multiple .x {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 36px;
  color: var(--accent);
  line-height: 0.9;
}
.pair-multiple .qualifier {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
  margin-left: 4px;
  line-height: 1.4;
}

.pair-rows {
  display: grid;
  grid-template-columns: 1fr auto auto;
  column-gap: 16px;
  row-gap: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}
.pair-rows .row {
  display: contents;
}
.pair-rows .row > * {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.pair-rows .row:last-child > * { border-bottom: none; }
.pair-rows .k { color: var(--fg-2); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.pair-rows .bypass { color: var(--fg-2); text-align: right; }
.pair-rows .jdc { color: var(--accent); text-align: right; font-weight: 500; }
.pair-rows .header > * {
  font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3); padding-bottom: 4px; padding-top: 0;
  border-bottom: 1px solid var(--border-strong);
}

.pair-card.pending .pending-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
}
.pair-card.pending .pending-block .badge {
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,212,59,0.08);
  border: 1px solid rgba(255,212,59,0.2);
  color: var(--accent-warm);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ── Per-task grid ────────────────────────────────────────── */
.task-grid {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 8px;
  overflow-x: auto;
}
.task-grid table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--font-mono);
  font-size: 12px;
}
.task-grid th, .task-grid td {
  padding: 12px 10px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.task-grid th {
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-2); font-weight: 500;
  border-bottom: 1px solid var(--border-strong);
  position: sticky; top: 0;
  background: var(--surface);
  vertical-align: bottom;
  padding-top: 14px;
  padding-bottom: 12px;
}
.task-grid th.task-col { text-align: left; min-width: 220px; }

/* Stacked column header: tier / codec state / model id */
.task-grid th .th-tier {
  color: var(--fg-1);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: none;
  font-size: 11px;
  white-space: nowrap;
}
.task-grid th .th-state {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  margin-top: 4px;
  white-space: nowrap;
}
.task-grid th .th-state.on  { color: var(--accent); }
.task-grid th .th-state.off { color: var(--fg-3); }
.task-grid th .th-model {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--fg-3);
  margin-top: 6px;
  word-break: break-word;
  white-space: normal;
  line-height: 1.25;
}
.task-grid td.task-col {
  text-align: left;
  color: var(--fg-1);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
}
.task-grid td.task-col .id {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-3);
  letter-spacing: 0;
  margin-top: 2px;
}
.task-grid tr:last-child td { border-bottom: none; }
.task-grid td.cell {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.task-grid td.col-jdc { background: rgba(60,255,208,0.02); }
.task-grid th.col-jdc { background: rgba(60,255,208,0.03); color: var(--accent); }
.cell-3 { color: var(--accent); }
.cell-2 { color: rgba(60,255,208,0.65); }
.cell-1 { color: var(--accent-warm); }
.cell-0 { color: var(--fg-3); }
.task-grid tr.inversion-row td.task-col::after,
.task-grid tr.hard-row td.task-col::after {
  content: '';
  display: inline-block;
  margin-left: 8px;
  width: 6px; height: 6px;
  background: var(--accent-warm);
  border-radius: 999px;
  vertical-align: middle;
}
.task-grid tr.hard-row td.task-col::after { background: var(--error); }

.task-grid-legend {
  display: flex; flex-wrap: wrap; gap: 24px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
}
.task-grid-legend .swatch {
  display: inline-block; width: 10px; height: 10px; border-radius: 999px;
  vertical-align: middle; margin-right: 8px;
}

/* ── Methodology + FAQ ────────────────────────────────────── */
.method-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.method-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 32px;
}
.method-card h3 {
  margin: 0 0 18px 0;
  font-size: 24px;
}
.method-card dl {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px 24px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
}
.method-card dt {
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10.5px;
  padding-top: 2px;
}
.method-card dd {
  margin: 0;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}
.method-card dd .muted { color: var(--fg-2); }

.reproduce-card { padding: 32px; }
.reproduce-card .files {
  margin-top: 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.reproduce-card .files .file {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  transition: border-color 180ms ease, color 180ms ease;
  cursor: pointer;
}
.reproduce-card .files .file:hover {
  border-color: var(--border-accent);
  color: var(--accent);
}
.reproduce-card .files .file .size { color: var(--fg-3); }

/* ── FAQ accordion ────────────────────────────────────────── */
.faq-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  padding: 22px 0;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  transition: color 180ms ease;
}
.faq-q:hover { color: var(--accent); }
.faq-q .chev {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--fg-2);
  transition: transform 240ms ease, color 180ms ease;
}
.faq-item.open .faq-q .chev { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 280ms ease;
}
.faq-a > div {
  overflow: hidden;
  color: var(--fg-1);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 70ch;
  font-weight: 300;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a > div { padding: 0 0 24px; }
.faq-a code {
  font-size: 0.9em;
}

/* ── Sonnet placeholder banner ────────────────────────────── */
.sonnet-banner {
  margin-top: 32px;
  padding: 20px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
}
.sonnet-banner .left { display: flex; gap: 14px; align-items: center; }
.sonnet-banner .badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,212,59,0.08);
  border: 1px solid rgba(255,212,59,0.20);
  color: var(--accent-warm);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ── Trend chart ──────────────────────────────────────────── */
.trend-chart {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  padding: 28px 28px 24px;
  position: relative;
  overflow: hidden;
}
.trend-chart::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.4;
}
.trend-svg-wrap {
  width: 100%;
  overflow-x: auto;
}
.trend-svg {
  width: 100%;
  height: auto;
  min-width: 720px;
  display: block;
}
.trend-legend {
  display: flex; flex-wrap: wrap;
  gap: 18px 22px;
  margin-top: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
}
.trend-legend-item {
  display: inline-flex; align-items: center; gap: 8px;
}
.trend-legend-item .swatch {
  width: 10px; height: 10px; border-radius: 999px;
  display: inline-block;
}
.trend-legend-item .line-solid,
.trend-legend-item .line-dashed {
  width: 22px; height: 2px;
  background: var(--fg-2);
  display: inline-block;
  border-radius: 2px;
}
.trend-legend-item .line-dashed {
  height: 0;
  border-top: 1.5px dashed var(--fg-2);
}
.trend-legend-item .tier {
  color: var(--fg-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 10.5px;
}
.trend-legend-item .model {
  color: var(--fg-3);
  margin-left: 2px;
}
.trend-legend-sep {
  color: var(--fg-3);
  align-self: center;
  margin: 0 -8px;
}
.trend-footnote {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  line-height: 1.6;
  max-width: 80ch;
}

/* ── Batch list ───────────────────────────────────────────── */
.batch-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
}
.batch-row {
  display: grid;
  grid-template-columns: 230px 1fr 280px;
  gap: 28px;
  padding: 24px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: background 180ms ease;
}
.batch-row:last-child { border-bottom: none; }
.batch-row.clickable { cursor: pointer; }
.batch-row.clickable:hover { background: rgba(60,255,208,0.025); }
.batch-row.clickable:hover .batch-row-cta { color: var(--accent); }
.batch-row.clickable:hover .batch-row-cta .arrow { transform: translateX(4px); }
.batch-row.latest { background: rgba(60,255,208,0.025); }
.batch-row.latest:hover { background: rgba(60,255,208,0.045); }
.batch-row-date {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.batch-row-date .latest-tag {
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #05070a;
  font-weight: 600;
}
.batch-row-meta {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-2);
  display: flex; flex-wrap: wrap; gap: 6px;
  letter-spacing: 0.04em;
}
.batch-row-meta .dot-sep { color: var(--fg-3); }
.batch-row-meta .codec { color: var(--fg-3); }
.batch-row-mid .headline {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--fg-1);
  letter-spacing: -0.015em;
  max-width: 50ch;
}
.batch-row-right {
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.batch-row-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: flex-end;
}
.batch-row-chips .chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid;
  font-variant-numeric: tabular-nums;
}
.batch-row-cta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
  transition: color 180ms ease;
}
.batch-row-cta .arrow {
  display: inline-block;
  transition: transform 180ms ease;
}
.batch-row-cta .archive {
  color: var(--fg-3);
  font-size: 10px;
}

/* ── Latest-batch pointer card (hub) ─────────────────────── */
.latest-pointer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 22px 26px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(60,255,208,0.04), transparent 80%), var(--surface);
  margin-bottom: 36px;
  text-decoration: none;
  color: inherit;
  transition: border-color 200ms ease, transform 200ms ease;
}
.latest-pointer:hover {
  border-color: var(--border-accent);
  transform: translateY(-1px);
}
.latest-pointer:hover .latest-pointer-cta { color: var(--accent); }
.latest-pointer:hover .latest-pointer-cta .arrow { transform: translateX(4px); }
.latest-pointer-left { display: flex; flex-direction: column; gap: 6px; }
.latest-pointer-eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-70);
  display: flex; align-items: center; gap: 10px;
}
.latest-pointer-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(60,255,208,0.7);
}
.latest-pointer-headline {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--fg-1);
  letter-spacing: -0.01em;
  line-height: 1.3;
  max-width: 60ch;
}
.latest-pointer-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
  white-space: nowrap;
  transition: color 200ms ease;
}
.latest-pointer-cta .arrow {
  display: inline-block;
  transition: transform 200ms ease;
  margin-left: 6px;
}

/* ── Detail page: batch header ────────────────────────────── */
.batch-header {
  padding: 40px 0 56px;
  border-bottom: 1px solid var(--border);
}
.batch-breadcrumbs {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  margin-bottom: 28px;
  letter-spacing: 0.06em;
}
.batch-breadcrumbs a:hover { color: var(--accent); }
.batch-breadcrumbs .sep { color: var(--fg-3); }
.batch-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--accent-70);
  margin-bottom: 22px;
}
.batch-eyebrow .pill {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent);
  color: #05070a;
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 9.5px;
}
.batch-header h1 {
  margin: 0;
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 28ch;
}
.batch-header .editorial {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--fg-2);
  line-height: 1.5;
  max-width: 60ch;
  font-style: italic;
}
.batch-fingerprint {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  font-family: var(--font-mono);
}
.batch-fingerprint .fp {
  display: flex; flex-direction: column; gap: 4px;
}
.batch-fingerprint .fp .k {
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.batch-fingerprint .fp .v {
  font-size: 14px;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
}
.batch-fingerprint .fp .v.muted { color: var(--fg-2); font-size: 12px; }

/* ── Detail page: prev/next nav ───────────────────────────── */
.batch-nav {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.batch-nav-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: border-color 180ms ease, transform 180ms ease;
}
.batch-nav-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-1px);
}
.batch-nav-card.empty {
  background: transparent;
  border-style: dashed;
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}
.batch-nav-card .dir {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.batch-nav-card.right { text-align: right; align-items: flex-end; }
.batch-nav-card .date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
}
.batch-nav-card .headline {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--fg-2);
  line-height: 1.4;
  letter-spacing: -0.005em;
}

/* Responsive */
@media (max-width: 960px) {
  .pairs { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .inversion-grid { grid-template-columns: 1fr; }
  .inversion-vs { display: none; }
  .privacy-grid { grid-template-columns: 1fr; }
  .privacy-vs { display: none; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .batch-row { grid-template-columns: 1fr; gap: 12px; }
  .batch-row-right { align-items: flex-start; }
  .batch-row-chips { justify-content: flex-start; }
  .batch-nav { grid-template-columns: 1fr; }
  .batch-nav-card.right { text-align: left; align-items: flex-start; }
  .latest-pointer { flex-direction: column; align-items: flex-start; gap: 18px; }
}