/* N5 MAX — RAID10 vs RAIDZ1 · Story page layout
 * Color tokens + shared chrome live in theme.css (light/dark).
 */
:root {
  /* Structural fallbacks if theme.css missing; colors come from theme.css */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --max: 1120px;
  --font: "Ubuntu", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --display: "Orbitron", ui-sans-serif, system-ui, sans-serif;
  --mono: "Intel One Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --provisional-h: 0px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--provisional-h, 0px) + 72px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -10%, var(--wash-raid10), transparent 55%),
    radial-gradient(1000px 500px at 88% 0%, var(--wash-raidz1), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

::selection {
  background: var(--raidz1-mid);
  color: var(--ink);
}

a { color: inherit; }

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Sticky nav + provisional banner → theme.css */

/* ── Hero ── */
.hero {
  padding: 4.5rem 0 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.35rem;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--raid10), var(--raidz1));
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.75rem, 6.5vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero h1 .vs {
  color: var(--faint);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.t-raid10 { color: var(--raid10); }
.t-raidz1 { color: var(--raidz1); }

.hero-sub {
  max-width: 42rem;
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin-bottom: 1.75rem;
}

.hero-sub code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  box-shadow: var(--shadow);
}

.badge-sealed {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--raidz1);
  background: var(--raidz1-soft);
  border: 1px solid var(--raidz1-mid);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  margin-bottom: 2.75rem;
}

.badge-sealed svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

/* ── Metric cards ── */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.35rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.metric-card.win-raidz1::before { background: var(--raidz1); }
.metric-card.win-raid10::before { background: var(--raid10); }

.metric-card .label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.65rem;
}

.metric-card .value {
  font-family: var(--mono);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.55rem;
}

.metric-card.win-raidz1 .value { color: var(--raidz1); }
.metric-card.win-raid10 .value { color: var(--raid10); }

.metric-card .detail {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ── Sections ── */
section {
  padding: 3.75rem 0;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.75rem;
}

section h2 {
  font-family: var(--display);
  font-size: clamp(1.65rem, 3.2vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin-bottom: 1rem;
  max-width: 28ch;
}

.lede {
  max-width: 48rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.lede strong.r10 { color: var(--raid10); font-weight: 600; }
.lede strong.rz1 { color: var(--raidz1); font-weight: 600; }

/* ── Cards / panels ── */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow);
}

.panel + .panel { margin-top: 1rem; }

.panel-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.panel-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.chart-wrap {
  position: relative;
  height: 280px;
  margin-top: 0.5rem;
}

.chart-wrap.tall { height: 320px; }
.chart-wrap.short { height: 200px; }

.legend-row {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.legend-swatch.r10 { background: var(--raid10); }
.legend-swatch.rz1 { background: var(--raidz1); }

.callout {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  border-left: 3px solid var(--line-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.callout code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.05em 0.35em;
  border-radius: 4px;
}

/* ── Tables ── */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--surface);
}

table.data th,
table.data td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.data th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  background: var(--bg-elevated);
  white-space: nowrap;
}

table.data td.num,
table.data th.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
}

table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover td { background: var(--hover-fill-soft); }

table.data .hl-r10 { color: var(--raid10); font-weight: 600; }
table.data .hl-rz1 { color: var(--raidz1); font-weight: 600; }

/* ── Amplification visual ── */
.amp-bars {
  display: grid;
  gap: 1.25rem;
  margin-top: 1rem;
}

.amp-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 1rem;
}

.amp-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.amp-track {
  height: 28px;
  background: var(--bg);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.amp-track .ref {
  position: absolute;
  top: 0; bottom: 0;
  left: calc(100% / 2.2 * 1);
  width: 0;
  border-left: 1.5px dashed var(--line-strong);
  z-index: 2;
}

.amp-fill {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.65rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  transition: width 0.8s var(--ease);
}

.amp-fill.r10 { background: var(--raid10); }
.amp-fill.rz1 { background: var(--raidz1); }

.amp-value {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  min-width: 3.5rem;
  text-align: right;
}
.amp-value.r10 { color: var(--raid10); }
.amp-value.rz1 { color: var(--raidz1); }

.amp-ref-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--faint);
  font-family: var(--mono);
}

.amp-ref-note::before {
  content: "";
  width: 18px;
  height: 0;
  border-top: 1.5px dashed var(--line-strong);
}

/* ── Ablation ── */
.ablation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.ablation-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}

.ablation-card .test {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.ablation-card .flow {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.ablation-card .delta {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ablation-card .delta.up { color: var(--raidz1); }
.ablation-card .delta.flat { color: var(--muted); }

.ablation-card .note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* ── Baseline tiles ── */
.baseline-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.baseline-tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.baseline-tile .label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.5rem;
}

.baseline-tile .value {
  font-family: var(--mono);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.baseline-tile .detail {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ── Verdict ── */
.verdict-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.verdict-card {
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.5rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.verdict-card.raid10 {
  background: linear-gradient(165deg, #fff 0%, rgba(232, 106, 43, 0.06) 100%);
  border-color: var(--raid10-mid);
}

.verdict-card.raidz1 {
  background: linear-gradient(165deg, #fff 0%, rgba(31, 166, 160, 0.06) 100%);
  border-color: var(--raidz1-mid);
}

.verdict-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.verdict-card.raid10::before { background: var(--raid10); }
.verdict-card.raidz1::before { background: var(--raidz1); }

.verdict-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.verdict-card.raid10 h3 { color: var(--raid10); }
.verdict-card.raidz1 h3 { color: var(--raidz1); }

.verdict-card .choose {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.25rem;
}

.verdict-list {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.verdict-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.75rem;
  align-items: start;
}

.verdict-list .stat {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.verdict-card.raid10 .stat { color: var(--raid10); }
.verdict-card.raidz1 .stat { color: var(--raidz1); }

.verdict-list .text {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* ── Footer ── */
.site-footer {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.footer-status {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.status-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem;
}

.status-card .tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}
.status-card .tag.done { color: var(--raidz1); }
.status-card .tag.pending { color: var(--raid10); }
.status-card .tag.planned { color: var(--muted); }

.status-card p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.provenance {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

.provenance code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--hover-fill-soft);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

.provenance .muted-line {
  margin-top: 0.65rem;
  color: var(--faint);
  font-size: 0.78rem;
}


/* ── Forward-looking story additions ── */
.t-muted { color: var(--muted); font-weight: 600; }

.hero-actions, .cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.25rem 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }

.btn-raid10 {
  background: var(--raid10);
  color: #fff;
  box-shadow: 0 6px 18px rgba(232, 106, 43, 0.28);
}
.btn-raidz1 {
  background: var(--raidz1);
  color: #fff;
  box-shadow: 0 6px 18px rgba(31, 166, 160, 0.28);
}
.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.badge-row .badge-sealed { margin-bottom: 0; }

.badge-pending {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--raid10);
  background: var(--raid10-soft);
  border: 1px solid var(--raid10-mid);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
}

.cta-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.55), transparent);
}

.card-cta {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  opacity: 0.85;
}
.verdict-card.raid10 .card-cta { color: var(--raid10); }
.verdict-card.raidz1 .card-cta { color: var(--raidz1); }
.card-cta:hover { opacity: 1; text-decoration: underline; }

.plan-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.chip-pending {
  border-color: var(--raid10-mid);
  background: var(--raid10-soft);
  color: var(--ink-soft);
}

.method-grid, .ai-grid, .exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.method-card, .ai-card, .exp-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: var(--shadow);
}

.method-card .m-label, .ai-tag, .exp-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
  color: var(--muted);
}

.method-card h3, .ai-card h3, .exp-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.method-card p, .ai-card p, .exp-card p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.exp-card .why {
  margin-top: 0.65rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.exp-tag.storage { color: var(--raid10); }
.exp-tag.ai { color: var(--raidz1); }

.ai-section {
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(31, 166, 160, 0.08), transparent 60%),
    transparent;
}

.pending-banner {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--raid10);
  background: var(--raid10-soft);
  border: 1px dashed var(--raid10-mid);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 1rem 0 0.25rem;
}

.subhead {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 2rem 0 0.25rem;
  letter-spacing: -0.02em;
}

.how-made {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}
.how-made h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.how-made ol {
  padding-left: 1.2rem;
  display: grid;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.how-made code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--hover-fill-soft);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

.footer-h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

/* ── Reveal on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}


/* ── Media strip + diagrams ── */
.media-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.35), transparent);
}

.media-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.media-frame,
.diagram-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: zoom-in;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.media-frame:hover,
.diagram-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.media-frame img,
.diagram-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--bg-elevated);
}
.media-frame figcaption,
.diagram-card figcaption {
  padding: 0.65rem 0.9rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.diagram-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.diagram-card img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #f0eee8;
}

/* ── Watch / Read social CTA ── */
.social-cta-section {
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(232, 106, 43, 0.06), transparent 60%),
    radial-gradient(800px 400px at 90% 20%, rgba(31, 166, 160, 0.06), transparent 55%);
}

.social-track-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0 0.5rem;
}

.social-track {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.25rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.social-track::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
}
.social-track.lab::before { background: var(--raidz1); }
.social-track.public::before { background: var(--raid10); }

.track-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.65rem;
}
.social-track.lab .track-badge {
  background: var(--raidz1-soft);
  color: var(--raidz1);
}
.social-track.public .track-badge {
  background: var(--raid10-soft);
  color: var(--raid10);
}
.social-track h3 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.social-track p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin-bottom: 0.85rem;
}
.social-track ul {
  list-style: none;
  display: grid;
  gap: 0.4rem;
  font-size: 0.88rem;
}
.social-track a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}
.social-track a:hover {
  text-decoration-color: var(--raidz1);
}

/* Amp tax polish */
.amp-fill {
  transition: width 1.1s var(--ease);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.55rem;
  color: #fff;
  min-width: 2.5rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 0.75rem;
}
.lightbox[hidden] { display: none !important; }
.lightbox img {
  max-width: min(1100px, 94vw);
  max-height: 78vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  background: #fff;
}
.lightbox-caption {
  color: var(--ink-inverse);
  font-size: 0.9rem;
  font-weight: 500;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  border: none;
  background: rgba(255,255,255,0.12);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }

/* ── Responsive ── */
@media (max-width: 960px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .ablation-grid { grid-template-columns: 1fr; }
  .baseline-tiles { grid-template-columns: 1fr; }
  .verdict-grid { grid-template-columns: 1fr; }
  .footer-status { grid-template-columns: 1fr; }
  .method-grid, .ai-grid, .exp-grid { grid-template-columns: 1fr; }
  .amp-row { grid-template-columns: 1fr; gap: 0.35rem; }
  .amp-value { text-align: left; }
  .media-strip { grid-template-columns: 1fr; }
  .diagram-grid { grid-template-columns: 1fr; }
  .social-track-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 1.5rem, var(--max)); }
  .site-nav .inner { width: min(100% - 1.5rem, var(--max)); }
  .metrics { grid-template-columns: 1fr; }
  .hero { padding-top: 3rem; }
  .nav-brand { display: none; }
  section { padding: 2.75rem 0; }
  .chart-wrap { height: 240px; }
  .chart-wrap.tall { height: 280px; }
  .provisional-banner-inner {
    width: min(100% - 1.25rem, var(--max));
    padding: 0.45rem 0 0.55rem;
  }
  body:has(.provisional-banner) { --provisional-h: auto; }
}

@media (min-width: 1280px) {
  :root { --max: 1160px; }
}

/* ── Stale-viewer footer (build SHA + status timestamps) ── */
.viewer-stale {
  margin-top: 1.35rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--faint);
}
.viewer-stale .viewer-line { margin: 0.1rem 0; }
.viewer-stale code {
  font-family: inherit;
  background: var(--hover-fill-soft);
  padding: 0.05em 0.3em;
  border-radius: 3px;
  color: var(--muted);
}
.viewer-stale .viewer-sample { color: #d97706; }
.viewer-stale.is-stale {
  color: #d97706;
  border-top-color: rgba(217, 119, 6, 0.35);
}