/* ==========================================================================
   m-bench — shared design system for the landing pages.
   index.html       LLM setups (harness · model · thinking)
   system-one.html  System One benchmark v3 · system-one-v2.html  v2 reference
   system-one-v1.html  System One v1 reference

   One palette: near-black canvas, white ink, a single bright-green accent
   used only as a line or a text highlight, grey for hierarchy. Status colours
   (danger · warning · info) are text/line only, never a surface.
   No gradients, no decorative shadows, no pill shapes.
   ========================================================================== */

:root {
  --canvas: #0A0A0B;
  --surface: #111113;
  --surface-2: #16161A;
  --line: #1F1F24;
  --line-strong: #2A2A31;
  --ink: #FAFAFA;
  /* muted/dim were near-identical once; split so the hierarchy actually reads.
     dim still clears 4.5:1 on --surface-2. */
  --ink-muted: #B4B4BA;
  --ink-dim: #8B8B94;
  --volt: #00FF41;
  --warn: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;
  --bar: #33333B;
  --bar-lead: #43434D;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 2px;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* grain atmosphere — a texture, not a gradient */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: var(--ink); text-decoration-color: var(--volt); text-underline-offset: 3px; }
a:hover { color: var(--volt); }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; }
img { max-width: 100%; display: block; }
code {
  font-family: var(--font-mono); font-size: 0.92em; color: var(--ink);
  text-transform: none; letter-spacing: 0;
}

/* —— utilities —— */
.mono { font-family: var(--font-mono); }
.volt { color: var(--volt); }
.muted { color: var(--ink-muted); }
.dim { color: var(--ink-dim); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

/* skip link: hidden until keyboard focus, then pinned top-left */
.skip-link {
  position: fixed; top: 0.6rem; left: 0.6rem; z-index: 100;
  transform: translateY(-160%);
  font-family: var(--font-mono); font-size: 0.78rem;
  background: var(--ink); color: var(--canvas); padding: 0.55rem 0.8rem;
  text-decoration: none;
}
.skip-link:focus { transform: none; color: var(--canvas); }
#main:focus { outline: none; }
.load-error {
  margin: 1.5rem auto 0; padding: 0.9rem 1.1rem;
  border: 1px solid rgba(239, 68, 68, 0.45); color: var(--danger);
  font-family: var(--font-mono); font-size: 0.8rem;
}

/* —— layout —— */
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; position: relative; z-index: 1; }
section { padding: 5.5rem 0; border-top: 1px solid var(--line); }
.kicker {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 1rem;
}
h1, h2, .display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
}
h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.75rem); }
h3 { font-family: var(--font-body); font-size: 1.05rem; font-weight: 600; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; color: var(--ink-muted); }
.lead { font-size: 1.125rem; max-width: 38rem; color: var(--ink-muted); }
.section-head { margin-bottom: 2.5rem; max-width: 42rem; }
.section-head p { margin-top: 0.85rem; }
.section-head h2 + p { margin-bottom: 0; }

/* —— nav —— */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 11, 0.86);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ink); }
.brand img { width: 28px; height: 28px; }
.brand-name { font-family: var(--font-mono); font-weight: 600; font-size: 0.95rem; letter-spacing: -0.02em; }
.brand-name span { color: var(--volt); }
.nav-links { display: flex; gap: 1.25rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em;
  text-decoration: none; color: var(--ink-muted); text-transform: uppercase;
  padding-bottom: 2px;
}
.nav-links a:hover { color: var(--volt); }
/* the current page keeps an underline in the page switcher */
.nav-links a[aria-current="page"] { color: var(--ink); border-bottom: 1px solid var(--volt); }
.nav-page { color: var(--ink) !important; }
.nav-page[aria-current="page"] { border-bottom: 1px solid var(--volt); }
.nav-cta {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em;
  text-decoration: none; color: var(--ink) !important;
  border: 1px solid var(--line-strong); padding: 0.4rem 0.75rem;
  border-radius: var(--radius); text-transform: uppercase; font-weight: 500;
}
.nav-cta:hover { border-color: var(--volt); color: var(--volt) !important; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong);
  color: var(--ink); font-family: var(--font-mono); font-size: 0.75rem;
  padding: 0.4rem 0.65rem; cursor: pointer; border-radius: var(--radius);
}

/* —— hero —— */
.hero {
  padding: 5rem 0 4.5rem;
  border-top: none;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: end;
}
.hero-grid > * { min-width: 0; }
.hero h1 em { font-style: italic; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-dim);
  margin-top: 1.75rem; letter-spacing: 0.04em;
}
.hero-meta strong { color: var(--ink-muted); font-weight: 500; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.crosslink { font-size: 0.9rem; margin: 1.5rem 0 0; color: var(--ink-dim); }
.crosslink a { color: var(--ink-muted); text-decoration-color: var(--volt); }

.gauge {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: 1.4rem 1.5rem 1.5rem;
}
.gauge-label {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 0.75rem;
}
.gauge-score {
  font-family: var(--font-display); font-size: 4rem; line-height: 1;
  letter-spacing: -0.03em;
}
.gauge-score .unit {
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-dim);
  letter-spacing: 0.06em; margin-left: 0.4rem;
}
.gauge-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-muted); margin-top: 0.6rem; }
/* hero mini-chart: the real harness scores, not decoration */
.gauge-rows { display: grid; gap: 0.55rem; margin-top: 1.25rem; }
.gauge-row {
  display: grid; grid-template-columns: 6.5rem 1fr 2.6rem; gap: 0.7rem; align-items: center;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-muted);
}
.gauge-row .g-track { height: 6px; background: var(--line); position: relative; }
.gauge-row .g-fill {
  position: absolute; inset: 0 auto 0 0; width: var(--w);
  background: var(--bar);
  transform-origin: left; animation: grow 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0s);
}
.gauge-row.top { color: var(--ink); }
.gauge-row.top .g-fill { background: var(--bar-lead); border-right: 2px solid var(--volt); }
.gauge-row .g-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
/* System One hero board: model names are long, so name and score share a line
   and the bar gets the full width underneath */
.board-rows { display: grid; gap: 0.7rem; margin-top: 1.25rem; }
.board-row { display: grid; gap: 0.3rem; }
.board-line {
  display: flex; justify-content: space-between; gap: 1rem;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-muted);
}
.board-name { min-width: 0; }
.board-row.top .board-name { color: var(--ink); font-weight: 500; }
.board-val { flex: none; color: var(--ink); font-variant-numeric: tabular-nums; }
.board-track { height: 6px; background: var(--line); position: relative; }
.board-fill {
  position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--bar);
  transform-origin: left; animation: grow 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0s);
}
.board-row.top .board-fill { background: var(--bar-lead); border-right: 2px solid var(--volt); }

/* —— machine switcher (LLM page) —— */
.machine-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--line-strong);
}
.machine-tab {
  appearance: none; border: none; border-right: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink-muted);
  padding: 1.1rem 1rem; text-align: left; cursor: pointer;
  font-family: var(--font-body); transition: background 0.15s, color 0.15s;
  position: relative;
}
.machine-tab:last-child { border-right: none; }
.machine-tab:hover { background: var(--surface-2); color: var(--ink); }
.machine-tab[aria-selected="true"] { background: var(--surface-2); color: var(--ink); }
.machine-tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: var(--volt);
}
.machine-tab .tab-name { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.2rem; }
.machine-tab .tab-spec { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-dim); letter-spacing: 0.02em; }
.machine-tab[aria-selected="true"] .tab-spec { color: var(--ink-muted); }

.machine-panel {
  border: 1px solid var(--line-strong);
  border-top: none;
  background: var(--surface);
  padding: 1.75rem;
}
.machine-specs {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-dim);
  margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line);
  letter-spacing: 0.03em;
}
.machine-specs span strong { color: var(--ink-muted); font-weight: 500; }
.machine-tagline {
  font-style: italic; font-family: var(--font-display); font-size: 1.2rem;
  color: var(--ink-muted); margin: 0 0 1.5rem;
}

.rec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.rec-grid > * { min-width: 0; }
.rec-card {
  border: 1px solid var(--line);
  background: var(--canvas);
  padding: 1.2rem 1.15rem 1.15rem;
  display: flex; flex-direction: column; gap: 0.65rem;
  min-height: 100%;
  transition: border-color 0.15s;
}
.rec-card:hover { border-color: var(--line-strong); }
/* every card is a per-workload pick; the lead card is marked by border only */
.rec-card.primary { border-color: rgba(0, 255, 65, 0.35); }
.rec-workload {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim);
}
.rec-score {
  font-family: var(--font-display); font-size: 2.4rem; line-height: 1;
  letter-spacing: -0.02em;
}
.rec-score small {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-dim);
  display: block; margin-top: 0.35rem; letter-spacing: 0.04em; font-weight: 500;
}
.rec-pair { display: grid; gap: 0.35rem; margin-top: 0.2rem; }
.rec-pair div { display: grid; grid-template-columns: 4.5rem 1fr; gap: 0.5rem; font-size: 0.84rem; }
.rec-pair dt {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.06em; padding-top: 0.15rem;
}
.rec-pair dd { margin: 0; color: var(--ink); font-weight: 500; }
.rec-note {
  font-size: 0.78rem; color: var(--ink-muted); margin-top: auto;
  padding-top: 0.5rem; border-top: 1px dashed var(--line);
}
.rec-config {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--volt);
  background: transparent; border: 1px solid rgba(0, 255, 65, 0.35);
  padding: 0.4rem 0.5rem; word-break: break-all;
}
.rec-link {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-dim);
  text-decoration: none; letter-spacing: 0.04em;
}
.rec-link:hover { color: var(--volt); }

/* —— chart blocks —— */
.chart-block {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: 1.75rem;
}
.chart-block + .chart-block { margin-top: 1.25rem; }
.chart-title {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 0.5rem;
}
.chart-question {
  font-family: var(--font-display); font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin: 0 0 1.5rem; color: var(--ink); line-height: 1.25;
}
.chart-note {
  margin-top: 1.35rem; padding-top: 1rem; border-top: 1px solid var(--line);
  font-size: 0.88rem; color: var(--ink-muted);
}
.chart-note a { font-family: var(--font-mono); font-size: 0.78rem; }

/* —— bars: one honest 0–100 axis + the leader's tie band —— */
.bar-rows { display: grid; gap: 0.85rem; }
.bar-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr 3.2rem;
  grid-template-areas: "label track val" ". meta meta";
  column-gap: 0.85rem; row-gap: 0.3rem;
  align-items: center;
}
.split-2 .bar-row { grid-template-columns: 9rem 1fr 3rem; }
.bar-label { grid-area: label; font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-muted); }
/* bars share a fixed 0–100 axis (not scaled to the max), so lengths compare honestly */
.bar-track {
  grid-area: track;
  height: 22px; background: var(--line); position: relative; overflow: hidden;
}
/* final width is set inline; the entrance is pure CSS, so bars never stay empty
   if JS observers don't fire */
.bar-fill {
  height: 100%; width: var(--w);
  background: var(--bar);
  border-right: 1px solid var(--ink-dim);
  transform-origin: left;
  animation: grow 1s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0s);
}
.bar-fill.alt { background: var(--bar); border-right-color: var(--ink-dim); }
.bar-row.is-lead .bar-fill { background: var(--bar-lead); }
/* the one current best: top score, ties broken by seconds/question */
.bar-row.is-best { background: rgba(255, 255, 255, 0.03); box-shadow: inset 2px 0 0 var(--volt); }
.bar-row.is-best .bar-fill { border-right: 2px solid var(--volt); }
.bar-row.is-best .bar-label { color: var(--ink); font-weight: 600; }
.best-tag {
  display: inline-block; margin-left: 0.4rem; padding: 0 0.3rem;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.06em;
  color: var(--volt); border: 1px solid rgba(0, 255, 65, 0.4);
  vertical-align: middle;
}
/* V2 uses the leader's measured 95% interval; older charts use the 8-point band. */
.noise-band {
  position: absolute; top: 0; bottom: 0; left: var(--from); width: var(--span);
  background: rgba(255, 255, 255, 0.045);
  border-left: 1px dashed rgba(0, 255, 65, 0.5);
  pointer-events: none;
}
.bar-legend {
  display: flex; align-items: center; gap: 0.5rem; margin-top: 1rem;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim); letter-spacing: 0.02em;
}
.bar-legend i {
  display: inline-block; width: 22px; height: 10px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 1px dashed rgba(0, 255, 65, 0.5);
}
.bar-val {
  grid-area: val;
  font-family: var(--font-mono); font-size: 0.9rem; font-weight: 500;
  text-align: right; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.bar-meta {
  grid-area: meta;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim);
  letter-spacing: 0.02em;
}
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
/* the sibling margin above is for stacked blocks; in the grid it would push
   the right panel down */
.split-2 > .chart-block + .chart-block { margin-top: 0; }
.verdict {
  display: inline-block; font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-muted); border-left: 2px solid var(--line-strong);
  padding-left: 0.5rem; margin-bottom: 1rem;
}
/* both panels are advice, so both marks use the highlight colour */
.verdict.yes { color: var(--volt); border-left-color: var(--volt); }
.delta {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink);
  margin-top: 1rem; padding-top: 0.85rem; border-top: 1px dashed var(--line);
}
.delta.cost { color: var(--warn); }

/* —— small multiples: one metric per panel —— */
.multiples {
  display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 1.75rem;
}
.multiple { background: var(--surface); padding: 1rem 1rem 1.1rem; min-width: 0; }
.multiple-title {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-muted);
}
.multiple-sub { font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-dim); margin: 0.15rem 0 0.8rem; }
.m-rows { display: grid; gap: 0.5rem; }
.m-row {
  display: grid; grid-template-columns: 6.4rem 1fr 3.2rem; gap: 0.5rem; align-items: center;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-muted);
}
.m-row .m-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-track { height: 6px; background: var(--line); position: relative; }
.m-fill {
  position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--bar);
  transform-origin: left; animation: grow 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0s);
}
.m-row.best { color: var(--ink); }
.m-row.best .m-fill { background: var(--bar-lead); border-right: 2px solid var(--volt); }
.m-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
.m-na { grid-column: 2 / 4; color: var(--ink-dim); font-style: italic; }

/* —— dumbbells: one model, two ways —— */
.db-legend {
  display: flex; flex-wrap: wrap; gap: 1.1rem; margin: 0 0 1.25rem;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim);
}
.db-legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.db-group + .db-group { margin-top: 1.6rem; }
.db-group-title {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim);
  border-bottom: 1px solid var(--line); padding-bottom: 0.4rem; margin-bottom: 0.4rem;
}
.db-row, .db-axis {
  display: grid; grid-template-columns: 14rem 1fr 7.5rem; column-gap: 1rem; align-items: center;
}
.db-row { padding: 0.45rem 0; }
.db-label { font-size: 0.86rem; color: var(--ink); min-width: 0; }
.db-label a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.db-label a:hover { color: var(--volt); border-bottom-color: var(--volt); }
.db-label small { display: block; font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-dim); margin-top: 0.1rem; }
/* tracks carry the 0–100 axis; the tick row under each group labels it */
.db-track, .strip-track { position: relative; height: 22px; border-right: 1px solid var(--line); }
.db-seg {
  position: absolute; top: calc(50% - 1px); height: 2px;
  left: var(--from); width: var(--span); background: var(--ink-dim);
}
.dot {
  display: inline-block; width: 12px; height: 12px; border-radius: 50%;
  background: var(--ink-dim);
}
/* hollow = first way, filled = second; live/best keep a coloured hairline ring */
.dot.hollow { background: var(--surface); box-shadow: inset 0 0 0 2px var(--ink-muted); }
.dot.live { background: var(--surface); box-shadow: inset 0 0 0 2px var(--info); }
.db-track .dot { position: absolute; top: 50%; left: var(--x); margin: -6px 0 0 -6px; }
.db-val { font-family: var(--font-mono); font-size: 0.85rem; text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }
.db-val small { display: block; font-size: 0.64rem; color: var(--ink-dim); letter-spacing: 0.02em; }
.db-val.tie { color: var(--ink-dim); }
.ticks { position: relative; height: 1.1rem; font-family: var(--font-mono); font-size: 0.6rem; color: var(--ink-dim); }
.ticks span { position: absolute; left: var(--x); transform: translateX(-50%); top: 0.2rem; }
.ticks span:first-child { transform: none; }
.ticks span:last-child { transform: translateX(-100%); }

/* —— ledger strip plot: every run in view, one row per suite —— */
.strip { margin-bottom: 1.25rem; position: relative; }
.strip-row {
  display: grid; grid-template-columns: 8.5rem 1fr; column-gap: 1rem; align-items: center;
  padding: 0.55rem 0; border-bottom: 1px dashed var(--line);
}
.strip-row.axis { border-bottom: none; padding: 0; }
.strip-label { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-muted); }
.strip-label small { display: block; font-size: 0.62rem; color: var(--ink-dim); }
.strip-track { height: var(--h); }
.strip-dot {
  position: absolute; left: var(--x); top: var(--y); margin-left: -5px;
  width: 10px; height: 10px; padding: 0; border: none; border-radius: 50%;
  background: var(--ink-dim); cursor: pointer; transition: transform 0.12s;
}
/* a hit target larger than the mark — 10px mark + 7px each side = 24x24 CSS px,
   the WCAG 2.5.8 minimum; renderStrip spaces lanes so targets never intersect */
.strip-dot::after { content: ""; position: absolute; inset: -7px; }
.strip-dot.live { background: var(--surface); box-shadow: inset 0 0 0 2px var(--info); }
.strip-dot.best { background: var(--surface); box-shadow: inset 0 0 0 2px var(--volt); }
.strip-dot:hover, .strip-dot:focus-visible, .strip-dot.on {
  transform: scale(1.45); outline: none;
  box-shadow: 0 0 0 2px var(--canvas), 0 0 0 3px var(--ink);
}
.strip-tip {
  position: absolute; z-index: 5; pointer-events: none; max-width: 17rem;
  background: var(--canvas); border: 1px solid var(--line-strong); padding: 0.55rem 0.7rem;
  font-size: 0.78rem; color: var(--ink-muted); line-height: 1.4;
}
.strip-tip strong { color: var(--ink); font-weight: 500; display: block; }
.strip-tip .mono { font-size: 0.7rem; }
.strip-tip .tip-score { font-family: var(--font-mono); color: var(--ink); font-size: 0.9rem; }
.strip-legend {
  display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 0.75rem;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim);
}
.strip-legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.strip-legend .dot { width: 10px; height: 10px; background: var(--ink-dim); }
.strip-legend .dot.live { background: var(--surface); box-shadow: inset 0 0 0 2px var(--info); }
.strip-legend .dot.best { background: var(--surface); box-shadow: inset 0 0 0 2px var(--volt); }

/* —— ledger: score as a bar on the same 0–100 axis —— */
.score-wrap { display: inline-flex; align-items: center; gap: 0.6rem; }
.s-track { width: 48px; height: 6px; background: var(--line); position: relative; flex: none; }
.s-fill { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--bar); }
table.results .score-cell.best .s-fill { background: var(--bar-lead); border-right: 2px solid var(--volt); }
/* the bar made the score column wider; keep short mono cells on one line */
table.results td.mono { white-space: nowrap; }
table.results .score-cell .s-num { display: inline-block; min-width: 2.9rem; text-align: right; }
table.results .score-cell .unit { display: inline-block; min-width: 2.7rem; text-align: left; }

/* —— results explorer —— */
.filters { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.25rem; align-items: end; }
.filter-field { display: flex; flex-direction: column; gap: 0.3rem; }
.filter-field label {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim);
}
.filter-field select {
  appearance: none;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23B4B4BA' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 0.7rem center;
  border: 1px solid var(--line-strong); color: var(--ink);
  font-family: var(--font-mono); font-size: 0.8rem;
  padding: 0.5rem 2rem 0.5rem 0.7rem; min-width: 10rem;
  border-radius: var(--radius); cursor: pointer;
}
.filter-field select:hover { border-color: var(--ink-dim); }
.filter-reset {
  background: none; border: 1px solid var(--line-strong); color: var(--ink-muted);
  font-family: var(--font-mono); font-size: 0.75rem; padding: 0.5rem 0.8rem;
  cursor: pointer; border-radius: var(--radius); text-transform: uppercase;
  letter-spacing: 0.06em; margin-left: auto;
}
.filter-reset:hover { color: var(--volt); border-color: var(--volt); }
.model-picker {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 0.8rem; margin-bottom: 1.25rem;
}
.model-picker summary { cursor: pointer; font-family: var(--font-mono); font-size: 0.85rem; }
.model-picker .model-help { color: var(--ink-muted); font-size: 0.8rem; margin: 0.75rem 0; }
.model-actions { display: flex; flex-wrap: wrap; align-items: end; gap: 0.65rem; margin: 0.75rem 0; }
.model-actions .filter-reset { margin-left: 0; }
.model-actions input[type="search"] {
  background: var(--surface); color: var(--ink); border: 1px solid var(--line-strong);
  border-radius: var(--radius); padding: 0.5rem; max-width: 100%; font: inherit;
}
.model-options {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 0.35rem; max-height: 240px; overflow-y: auto;
}
.model-choice { display: flex; gap: 0.6rem; align-items: start; padding: 0.4rem; font-size: 0.8rem; overflow-wrap: anywhere; cursor: pointer; }
.model-choice input { accent-color: var(--volt); flex: none; margin-top: 0.2rem; }
.model-choice[hidden] { display: none; }
.model-picker .model-count { color: var(--ink-muted); font-family: var(--font-mono); font-size: 0.75rem; margin-top: 0.6rem; }
.model-picker :focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); background: var(--surface); }
/* v3 family × model accuracy grid: always scrolls sideways on narrow screens */
.family-wrap { overflow-x: auto; border: 1px solid var(--line-strong); background: var(--surface); margin-top: 1.25rem; }
table.family-scores { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 560px; }
table.family-scores th, table.family-scores td { padding: 0.6rem 0.85rem; border-bottom: 1px solid var(--line); text-align: left; }
table.family-scores thead th {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim); background: var(--surface-2); border-bottom: 1px solid var(--line-strong); vertical-align: bottom;
}
table.family-scores tbody th { color: var(--ink); font-weight: 500; white-space: nowrap; }
table.family-scores .num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--ink-muted); }
table.family-scores td.best { color: var(--volt); font-weight: 600; }
table.family-scores tr:last-child th, table.family-scores tr:last-child td { border-bottom: none; }
table.results { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 720px; }
table.results th {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim); text-align: left;
  padding: 0.85rem 1rem; border-bottom: 1px solid var(--line-strong);
  background: var(--surface-2);
}
table.results th.num, table.results td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.results td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--line);
  color: var(--ink-muted); vertical-align: middle;
}
table.results tr:last-child td { border-bottom: none; }
table.results tr:hover td { background: rgba(255, 255, 255, 0.02); color: var(--ink); }
table.results .model-cell { color: var(--ink); font-weight: 500; }
table.results .model-cell a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-strong); }
table.results .model-cell a:hover { color: var(--volt); border-bottom-color: var(--volt); }
table.results .model-cell a::after { content: " ↗"; font-size: 0.75em; color: var(--ink-dim); }
/* green is reserved for the best score per suite in the current view,
   so it still means something after filtering */
table.results .score-cell { font-family: var(--font-mono); font-weight: 600; color: var(--ink); font-size: 0.95rem; white-space: nowrap; }
table.results .score-cell.best { color: var(--volt); }
table.results .score-cell .unit { font-size: 0.62rem; font-weight: 400; color: var(--ink-dim); margin-left: 0.35rem; letter-spacing: 0.04em; }
/* per-cell column labels: on phones the rows become flex, so the implicit
   header association is lost and each value needs its own label; wide screens
   keep the real column headers, so the labels are removed from the a11y tree */
table.results .col-label {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}
@media (min-width: 641px) {
  table.results .col-label { display: none; }
}
th .sort {
  all: unset; cursor: pointer; display: inline-flex; gap: 0.35rem; align-items: center;
  font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit;
}
th .sort:hover, th[aria-sort] .sort { color: var(--ink); }
th .sort:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; }
th .sort::after { content: "↕"; opacity: 0.45; }
th[aria-sort="ascending"] .sort::after { content: "↑"; opacity: 1; color: var(--volt); }
th[aria-sort="descending"] .sort::after { content: "↓"; opacity: 1; color: var(--volt); }
.badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.15rem 0.4rem; border: 1px solid var(--line-strong);
  color: var(--ink-dim); border-radius: var(--radius);
}
.badge.live { border-color: rgba(59, 130, 246, 0.5); color: var(--info); }
.badge.isolated { border-color: var(--line-strong); }
.table-empty { padding: 2rem; text-align: center; color: var(--ink-dim); font-family: var(--font-mono); font-size: 0.85rem; }
.table-empty button {
  background: none; border: none; color: var(--volt); cursor: pointer;
  font-family: var(--font-mono); text-decoration: underline; font-size: 0.85rem;
}
.result-count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-dim); margin-top: 0.75rem; letter-spacing: 0.04em; }

/* —— campaigns —— */
.campaign-list { display: grid; gap: 0; border-left: 1px solid var(--line-strong); margin-left: 0.5rem; }
.campaign {
  position: relative; padding: 1.15rem 0 1.15rem 1.75rem;
  border-bottom: 1px solid var(--line);
}
.campaign:last-child { border-bottom: none; }
.campaign::before {
  content: ""; position: absolute; left: -4px; top: 1.5rem;
  width: 7px; height: 7px; background: var(--canvas);
  border: 1px solid var(--volt); border-radius: 50%;
}
.campaign-date { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--ink-dim); margin-bottom: 0.35rem; }
.campaign-q { font-weight: 600; color: var(--ink); margin-bottom: 0.3rem; font-size: 0.98rem; }
.campaign-a { color: var(--ink-muted); font-size: 0.92rem; margin: 0; }
.campaign-a strong { color: var(--volt); font-weight: 500; }
.campaign a.report-link { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-dim); text-decoration: none; letter-spacing: 0.04em; }
.campaign a.report-link:hover { color: var(--volt); }

/* —— suites —— */
.suite-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); }
.suite { background: var(--surface); padding: 1.2rem 1.1rem; }
.suite-name { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink); font-weight: 500; }
.suite-tasks { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-dim); letter-spacing: 0.06em; margin: 0.3rem 0 0.5rem; }
.suite-desc { font-size: 0.85rem; color: var(--ink-muted); margin: 0; }
/* a suite that belongs to the other page's family: tagged and cross-linked,
   never left looking like this page owns its runs */
.suite-family {
  display: inline-block; margin-left: 0.45rem; vertical-align: middle;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.04em;
  color: var(--volt); text-decoration: none; border: 1px solid rgba(0, 255, 65, 0.4);
  padding: 0 0.3rem;
}
.suite-family:hover { color: var(--canvas); background: var(--volt); }

/* —— CTA —— */
.cta-band {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: 2.5rem;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center;
}
.cta-band > * { min-width: 0; } /* let the long command scroll instead of widening the page */
.cta-band h2 { margin-bottom: 0.75rem; }
.cta-actions { display: flex; flex-direction: column; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase; text-decoration: none; font-weight: 500;
  padding: 0.85rem 1.2rem; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-primary { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.btn-primary:hover { background: transparent; color: var(--volt); border-color: var(--volt); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--volt); color: var(--volt); }
.cmd {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--volt);
  background: var(--canvas); border: 1px solid var(--line);
  padding: 0.45rem 0.45rem 0.45rem 0.9rem;
}
.cmd code { color: var(--volt); flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; }
.cmd code::before { content: "$ "; color: var(--ink-dim); }
.copy-btn {
  flex: none; background: none; border: 1px solid var(--line-strong); color: var(--ink-muted);
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.35rem 0.6rem; cursor: pointer; border-radius: var(--radius);
}
.copy-btn:hover { color: var(--volt); border-color: var(--volt); }

/* —— footer —— */
footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-dim);
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-links a { color: var(--ink-muted); text-decoration: none; }
.footer-links a:hover { color: var(--volt); }

/* —— entrance: one staggered reveal, plus hover/focus microstates —— */
.reveal {
  opacity: 0; transform: translateY(14px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.reveal:nth-child(1) { animation-delay: 0.05s; }
.reveal:nth-child(2) { animation-delay: 0.15s; }
.reveal:nth-child(3) { animation-delay: 0.25s; }
.reveal:nth-child(4) { animation-delay: 0.35s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* —— responsive —— */
@media (max-width: 960px) {
  .hero-grid, .split-2, .cta-band { grid-template-columns: 1fr; }
  .rec-grid, .suite-grid { grid-template-columns: 1fr; }
  .machine-tabs { grid-template-columns: 1fr; }
  .machine-tab { border-right: none; border-bottom: 1px solid var(--line-strong); }
  .machine-tab:last-child { border-bottom: none; }
  .machine-tab[aria-selected="true"]::after { left: 0; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .gauge { max-width: 100%; }
  .multiples { grid-template-columns: 1fr 1fr; }
}
/* Version links need the menu at tablet widths, before the nav can overflow. */
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(10, 10, 11, 0.98); border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 0.85rem 1.25rem; border-bottom: none; }
  .nav-links li a[aria-current="page"] { border-left: 2px solid var(--volt); }
  .nav-links .nav-cta { margin: 0.5rem 1.25rem; text-align: center; }
  /* label + value on one line, bar full-width below, meta under it */
  .bar-row, .split-2 .bar-row {
    grid-template-columns: 1fr auto;
    grid-template-areas: "label val" "track track" "meta meta";
  }
  .gauge-row { grid-template-columns: 5.5rem 1fr 2.4rem; }
  .db-row, .db-axis { grid-template-columns: 1fr auto; row-gap: 0.35rem; }
  .db-row .db-track, .db-axis .ticks { grid-column: 1 / -1; }
  .db-axis > span { display: none; }
  .strip-row { grid-template-columns: 1fr; row-gap: 0.35rem; }
  .strip-row.axis > span { display: none; }
  .filters { display: grid; grid-template-columns: 1fr 1fr; }
  .filter-field select { min-width: 0; width: 100%; }
  .filter-reset { margin-left: 0; align-self: end; }
  section { padding: 3.5rem 0; }
  .cta-band { padding: 1.75rem; }
}
/* phones: the 8-column ledger becomes stacked rows (model + score on top,
   the rest as a meta line); the header turns into a row of sort chips */
@media (max-width: 640px) {
  .table-wrap { overflow: visible; }
  table.results { min-width: 0; }
  table.results thead tr {
    display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.75rem;
    background: var(--surface-2); border-bottom: 1px solid var(--line-strong);
  }
  table.results th { padding: 0; border: none; background: none; }
  table.results th .sort { border: 1px solid var(--line-strong); padding: 0.35rem 0.5rem; }
  table.results tbody tr {
    display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.6rem;
    padding: 0.85rem 0.9rem; border-bottom: 1px solid var(--line);
  }
  table.results tbody tr:last-child { border-bottom: none; }
  table.results td { padding: 0; border: none; font-size: 0.74rem; }
  table.results td.model-cell { order: -2; flex: 1 1 60%; font-size: 0.9rem; }
  table.results td.score-cell { order: -1; margin-left: auto; font-size: 1rem; }
  table.results tr:hover td { background: none; }
  .multiples { grid-template-columns: 1fr; }
  /* stacked rows keep the score beside the model; the strip plot above carries the bars */
  table.results .s-track { display: none; }
  table.results .score-cell .s-num { min-width: 0; }
  table.results .score-cell .unit { min-width: 0; }
}
@media (max-width: 375px) {
  .wrap { width: min(100% - 1.5rem, var(--max)); }
  h1 { font-size: 2.3rem; }
  .gauge-score { font-size: 3rem; }
  .rec-score { font-size: 2rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .bar-fill, .g-fill, .board-fill { animation: none; }
}