/* ============================================================
   refresh.css - Rails & Schematic, Bone & Vermilion palette
   --------------------------------------------------------------
   A rectilinear, drafting-table design language. Hairline rules,
   station markers, mono labels, vermilion as the only signal.
   No gradient text. No indigo. No blue.
   ============================================================ */


/* ============================================================
   1. Tokens
   ============================================================ */

:root {
  /* Palette - bone & vermilion, harmonized with logo SVGs */
  --canvas:          #F4EFE6;
  --surface:         #FBF6EC;
  --surface-2:       #ECE4D4;
  --ink:             #1B1C1D;
  --ink-2:           #3A3434;
  --mid:             #7A6F60;
  --hairline:        #E0D6C5;
  --hairline-strong: #C9BFAB;
  --signal:          #E34234;
  --signal-deep:     #B8332A;
  --signal-wash:     rgba(227, 66, 52, 0.08);
  --success:         #5C7A2E;
  --danger:          #A8341A;

  /* Typography */
  --display: "Roboto Slab", Georgia, serif;
  --body:    "Public Sans", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Layout */
  --rule:           1px;
  --rule-strong:    1.5px;
  --gutter:         24px;
  --header-offset:  74px;

  /* Override legacy tokens used by styles.css so nothing leaks blue. */
  --bg: var(--canvas);
  --bg-deep: var(--ink);
  --surface-soft: var(--surface);
  --surface-mute: var(--surface-2);
  --text: var(--ink);
  --text-muted: var(--mid);
  --line: var(--hairline);
  --brand: var(--signal);
  --brand-2: var(--signal-deep);
  --accent: var(--signal);
  --shadow: none;
  --radius: 0;
  --radius-sm: 0;

  /* Legacy rail tokens from previous refresh - repointed at new palette */
  --rail-green: var(--success);
  --rail-green-soft: rgba(92, 122, 46, 0.12);
  --rail-red: var(--danger);
  --rail-red-soft: rgba(168, 52, 26, 0.12);
  --rail-amber: var(--signal);
  --rail-amber-soft: var(--signal-wash);
  --rail-accent: var(--signal);
}


/* ============================================================
   2. Base - ambient canvas + graph-paper underprint
   ============================================================ */

body {
  background-color: var(--canvas);
  background-image:
    linear-gradient(to right, rgba(27, 28, 29, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 28, 29, 0.025) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
  background-attachment: fixed;
  font-family: var(--body);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  overflow: visible;
  overflow-x: clip;
}


/* ============================================================
   3. Layout primitives
   ============================================================ */

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 3.6rem 0;
}

.surface {
  background: var(--surface);
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  box-shadow: none;
}

.muted {
  color: var(--mid);
}


/* ============================================================
   4. Typography
   ============================================================ */

h1, h2, h3 {
  font-family: var(--display);
  color: var(--ink);
  letter-spacing: -0.005em;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.4rem); line-height: 1.15; }
h3 { font-size: 1.2rem; line-height: 1.25; }

p { line-height: 1.6; }

.lede {
  font-size: 1.06rem;
  color: var(--ink-2);
  max-width: 64ch;
  line-height: 1.55;
}

.caption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.label-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--mid);
  letter-spacing: 0.02em;
  margin-bottom: 0.4rem;
  text-transform: lowercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 0.95rem;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 0;
  background: var(--signal);
}

/* Key/value eyebrow row with leading signal rule */
.kv-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  padding-left: 12px;
  border-left: var(--rule-strong) solid var(--signal);
  font-family: var(--mono);
  font-size: 13px;
}

.kv {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.kv__k {
  color: var(--mid);
  font-weight: 500;
}

.kv__k::after {
  content: ":";
}

.kv__v {
  color: var(--signal-deep);
  font-weight: 600;
}


/* ============================================================
   5. Top nav - sticky, hairline, canvas-tinted
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(244, 239, 230, 0.92);
  border-bottom: var(--rule) solid var(--hairline);
}

.site-header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: block;
  height: auto;
  max-height: 56px;
  width: auto;
  border-radius: 0;
  box-shadow: none;
  /* respects the width/height attributes on the <img> tag */
}
.site-footer .brand-mark {
  max-height: 42px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  padding: 0.5rem 0.85rem;
  border-radius: 0;
  font-family: var(--body);
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 500;
  border-bottom: var(--rule-strong) solid transparent;
  transition: 140ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink);
  background: transparent;
  border-bottom-color: var(--signal);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: var(--rule-strong) solid var(--ink);
  background: transparent;
  border-radius: 0;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  cursor: pointer;
}


/* ============================================================
   6. Buttons - rectilinear, mono-friendly, ink/vermilion only
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 9px 18px;
  border-radius: 0;
  border: var(--rule-strong) solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--body);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

.btn:hover {
  background: var(--ink);
  color: var(--canvas);
}

.btn--primary,
.btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--canvas);
  box-shadow: none;
}

.btn--primary:hover,
.btn-primary:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
  color: var(--canvas);
  transform: none;
  box-shadow: none;
}

.btn--ghost,
.btn-secondary {
  border-color: var(--hairline-strong);
  background: transparent;
  color: var(--ink-2);
}

.btn--ghost:hover,
.btn-secondary:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--canvas);
}

.btn--sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-ghost {
  padding: 9px 18px;
  border-radius: 0;
  border: var(--rule-strong) solid transparent;
  background: transparent;
  color: var(--ink-2);
  font-weight: 500;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: 140ms ease;
}

.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--ink);
}


/* ============================================================
   7. Hero
   ============================================================ */

.page-hero,
.hero {
  padding: 4.2rem 0 2.6rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2.2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.hero-copy p {
  margin-top: 1.2rem;
  font-size: 1.08rem;
  color: var(--ink-2);
  max-width: 60ch;
}

.hero-refresh {
  position: relative;
  padding: 4.7rem 0 3rem;
  overflow: hidden;
}

.hero-refresh::before,
.hero-refresh::after {
  display: none;
}

.hero-refresh .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.6rem;
  align-items: center;
}

@media (min-width: 1040px) {
  .hero-refresh .container {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

.hero-tagline {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5.2vw, 4.2rem);
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin: 0;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: var(--ink);
}

.hero-tagline em {
  font-style: normal;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: var(--signal);
}

.hero-sub {
  margin: 1.3rem 0 0;
  font-size: 1.08rem;
  color: var(--ink-2);
  max-width: 58ch;
  line-height: 1.55;
}

.hero-meta {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-meta .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 5px 10px;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  border: var(--rule) solid var(--hairline-strong);
  background: var(--surface);
  color: var(--ink-2);
  letter-spacing: 0.02em;
}

.hero-actions,
.hero-actions-refresh {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}


/* ============================================================
   8. Drafting strip + ruled corners utility
   ============================================================ */

.drafting-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 10px 14px;
  border-top: var(--rule) solid var(--hairline);
  border-bottom: var(--rule) solid var(--hairline);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid);
}

.drafting-strip > span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.ds-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 0;
  background: var(--signal);
  flex-shrink: 0;
}

.drafting-strip > span:first-child::before {
  /* compose: dot lives inline via .ds-dot, this is a fallback decoration */
  content: "";
}

/* Ruled corners - 16x16 L-marks at top-left and top-right */
.ruled-corners {
  position: relative;
}

.ruled-corners::before,
.ruled-corners::after {
  content: "";
  position: absolute;
  top: 0;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.ruled-corners::before {
  left: 0;
  border-top: var(--rule-strong) solid var(--ink);
  border-left: var(--rule-strong) solid var(--ink);
}

.ruled-corners::after {
  right: 0;
  border-top: var(--rule-strong) solid var(--ink);
  border-right: var(--rule-strong) solid var(--ink);
}


/* ============================================================
   9. Schematic rail (SVG pipeline container)
   ============================================================ */

.schematic-rail {
  position: relative;
  padding: 48px;
  background: var(--surface);
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  overflow: visible;
}

.schematic-rail__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
  padding-bottom: 0.9rem;
  border-bottom: var(--rule) solid var(--hairline);
}

.schematic-rail__header h3,
.schematic-rail__title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.18rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.schematic-rail__legend {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
}

.schematic-rail__legend .key {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.schematic-rail svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* Pulsing station - applied to an SVG <circle> as class */
.station-pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: signal-pulse 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes signal-pulse {
  0% {
    r: 9;
    opacity: 0.55;
  }
  100% {
    r: 22;
    opacity: 0;
  }
}

/* Interactive rail stations - click/keyboard to reveal explainer panel */
.rail-station {
  cursor: pointer;
  outline: none;
}

.rail-station__hit {
  pointer-events: all;
}

.rail-station__dot {
  transition: stroke 140ms ease, fill 140ms ease;
}

.rail-station__pulse {
  opacity: 0;
  transform-origin: center;
  transform-box: fill-box;
  pointer-events: none;
}

.rail-station.is-active .rail-station__pulse {
  animation: signal-pulse 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.rail-station:hover .rail-station__dot,
.rail-station:focus-visible .rail-station__dot {
  stroke: var(--signal);
  stroke-width: 2.25;
}

.rail-station--terminus:hover .rail-station__dot,
.rail-station--terminus:focus-visible .rail-station__dot {
  fill: var(--signal-deep);
  stroke: var(--signal);
}

.rail-station.is-active .rail-station__dot {
  fill: var(--signal);
  stroke: var(--signal);
  stroke-width: 2;
}

.rail-station--terminus.is-active .rail-station__dot {
  fill: var(--signal-deep);
  stroke: var(--signal);
}

.schematic-rail__legend .legend-hint {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--mid);
  font-style: italic;
}

/* Station explainer panel - appears below the rail when a station is clicked */
.rail-explainer {
  margin-top: 1.6rem;
  padding: 1rem 1.1rem;
  background: var(--canvas);
  border: var(--rule) solid var(--hairline-strong);
  border-left: 3px solid var(--signal);
}

.rail-explainer[hidden] {
  display: none;
}

.rail-explainer__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.55rem 0.85rem;
  margin-bottom: 0.55rem;
}

.rail-explainer__step {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.rail-explainer__name {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface-2);
  padding: 0.08rem 0.4rem;
  border: 1px solid var(--hairline);
}

.rail-explainer__transport {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  border: 1px solid var(--hairline);
  padding: 0.06rem 0.4rem;
}

.rail-explainer__close {
  margin-left: auto;
  background: transparent;
  border: none;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--mid);
  cursor: pointer;
  padding: 0 0.25rem;
}

.rail-explainer__close:hover {
  color: var(--signal);
}

.rail-explainer__summary {
  margin: 0 0 0.6rem;
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.rail-explainer__envelope {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 0.9rem;
  margin: 0;
  font-size: 0.84rem;
}

.rail-explainer__envelope dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  padding-top: 0.15rem;
}

.rail-explainer__envelope dd {
  margin: 0;
  color: var(--ink-2);
}

.rail-explainer__envelope code {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 0.02rem 0.3rem;
}

/* Pipeline rail (legacy - restyled, no gradient/glow) */
.pipeline-rail {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}

.pipeline-rail::before {
  display: none;
}

.pipeline-step {
  position: relative;
  padding: 14px 10px;
  text-align: center;
  border-right: var(--rule) solid var(--hairline);
  background: transparent;
  font-family: var(--mono);
}

.pipeline-step:last-child {
  border-right: 0;
}

.pipeline-step .pipeline-num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mid);
  margin-bottom: 0.3rem;
}

.pipeline-step .pipeline-name {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .pipeline-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pipeline-step {
    border-bottom: var(--rule) solid var(--hairline);
  }
  .pipeline-step:nth-child(odd) {
    border-right: var(--rule) solid var(--hairline);
  }
  .pipeline-step:nth-child(even) {
    border-right: 0;
  }
}


/* ============================================================
   10. Feature cards
   ============================================================ */

.feature-card-refresh {
  position: relative;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color 140ms ease;
  box-shadow: none;
  overflow: visible;
}

.feature-card-refresh:hover {
  transform: none;
  border-color: var(--hairline-strong);
  box-shadow: none;
}

/* Station-marker dot in top-right corner */
.feature-card-refresh::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface);
  border: var(--rule-strong) solid var(--ink);
}

.feature-card-refresh .num {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--signal-deep);
  text-transform: uppercase;
}

.feature-card-refresh h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.feature-card-refresh p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.94rem;
  line-height: 1.5;
}

.feature-card {
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 200px;
  box-shadow: none;
}

.feature-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.feature-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.93rem;
}

.icon-chip {
  width: 30px;
  height: 30px;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: var(--rule) solid var(--hairline-strong);
  color: var(--ink);
  font-weight: 600;
  font-family: var(--mono);
  font-size: 13px;
}


/* ============================================================
   11. Icon glyphs and station markers (.mk variants)
   ============================================================ */

/* Legacy circular icons restyled to palette */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  vertical-align: -0.12em;
  border: var(--rule) solid var(--hairline-strong);
}

.icon-check {
  background: transparent;
  color: var(--signal);
  border-color: var(--signal);
}

.icon-x {
  background: transparent;
  color: var(--mid);
  border-color: var(--mid);
  text-decoration: line-through;
}

.icon-dash {
  background: transparent;
  color: var(--mid);
  border-color: var(--mid);
}

.icon-check::before { content: "✓"; }
.icon-x::before { content: "×"; }
.icon-dash::before { content: "–"; }

/* Station markers - the comparison glyph system */
.mk {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: var(--rule-strong) solid var(--ink);
  background: var(--canvas);
  position: relative;
  vertical-align: -2px;
}

.mk--yes {
  background: var(--ink);
  border-color: var(--ink);
}

.mk--no {
  background: var(--canvas);
  border-color: var(--mid);
}

.mk--no::before,
.mk--no::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--mid);
  transform-origin: center;
}

.mk--no::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.mk--no::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.mk--half {
  background: linear-gradient(90deg, var(--ink) 0%, var(--ink) 50%, var(--canvas) 50%, var(--canvas) 100%);
  border-color: var(--ink);
}

.mk--sr {
  background: var(--signal);
  border-color: var(--signal);
}

.mk--lg {
  width: 16px;
  height: 16px;
}

.mk--lg.mk--no::before,
.mk--lg.mk--no::after {
  width: 12px;
}

/* Status notes (legacy) */
.status-note {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--mid);
  letter-spacing: 0.02em;
}

.status-note.is-native { color: var(--ink); }
.status-note.is-workaround { color: var(--mid); }
.status-note.is-precomputed { color: var(--ink-2); }
.status-note.is-missing { color: var(--danger); }
.status-note.is-yes { color: var(--ink); }
.status-note.is-partial { color: var(--ink-2); }
.status-note.is-no { color: var(--mid); }

/* Matrix cells: glyph on top, status word underneath */
.matrix-table td.col-layer {
  text-align: center;
}

.matrix-table td.col-layer .status-note {
  display: block;
  margin-top: 0.25rem;
  justify-content: center;
}

.cell-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.86rem;
}

/* Rail status indicators (legacy from comparison rows) */
.rail-pass,
.rail-fail,
.rail-amber {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}

.rail-pass::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: var(--rule-strong) solid var(--ink);
}

.rail-fail::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--canvas);
  border: var(--rule-strong) solid var(--mid);
}

.rail-amber::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--signal);
  border: var(--rule-strong) solid var(--signal);
}


/* ============================================================
   Comparison table
   ============================================================ */

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  font-family: var(--body);
}

.cmp-table thead th {
  text-align: left;
  padding: 14px 12px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  background: var(--surface-2);
  border-bottom: var(--rule-strong) solid var(--ink);
  font-weight: 500;
}

.cmp-table thead th.sr-col {
  color: var(--signal-deep);
  background: var(--signal-wash);
}

.cmp-table tbody td {
  padding: 12px;
  border-bottom: var(--rule) solid var(--hairline);
  vertical-align: middle;
  color: var(--ink-2);
}

.cmp-table tbody tr:hover {
  background: var(--surface);
}

.cmp-table td.sr-col {
  background: var(--signal-wash);
  font-weight: 600;
  color: var(--ink);
}

.cmp-table tbody tr:last-child td {
  border-bottom: 0;
}

.cmp-table .cap-name {
  font-weight: 600;
  color: var(--ink);
}

.cmp-table .cap-name code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface-2);
  border: var(--rule) solid var(--hairline);
  padding: 1px 5px;
  border-radius: 0;
  color: var(--ink-2);
}

/* Layer cards (comparisons page) */
.layer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0;
  margin-top: 1rem;
  border-top: var(--rule) solid var(--hairline);
  border-left: var(--rule) solid var(--hairline);
}

.layer-card {
  position: relative;
  padding: 22px;
  border-right: var(--rule) solid var(--hairline);
  border-bottom: var(--rule) solid var(--hairline);
  background: var(--surface);
  transition: background-color 140ms ease;
}

.layer-card.is-self {
  background: var(--signal-wash);
  border-color: var(--signal);
  box-shadow: none;
}

.layer-card.is-self::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--signal);
}

.layer-card:hover {
  transform: none;
  background: var(--surface-2);
}

.layer-card .layer-name {
  margin: 0;
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.layer-card .layer-version {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mid);
  margin-top: 0.2rem;
  letter-spacing: 0.04em;
}

.layer-card .layer-tagline {
  margin: 0.7rem 0 0.9rem;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.5;
}

.layer-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: var(--rule) solid var(--hairline);
}

.layer-stat {
  padding: 12px 8px;
  border-right: var(--rule) solid var(--hairline);
  background: transparent;
  text-align: center;
}

.layer-stat:last-child {
  border-right: 0;
}

.layer-stat .num {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--ink);
}

.layer-stat .lbl {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  margin-top: 0.35rem;
}

.layer-stat.is-good .num { color: var(--ink); }
.layer-stat.is-good { background: transparent; }
.layer-stat.is-mid .num { color: var(--signal); }
.layer-stat.is-mid { background: transparent; }
.layer-stat.is-bad .num { color: var(--mid); }
.layer-stat.is-bad { background: transparent; }

/* Scoreboard rows */
.scoreboard {
  display: grid;
  gap: 0;
  border-top: var(--rule) solid var(--hairline);
}

.scoreboard-row {
  display: grid;
  grid-template-columns: 220px 1fr 110px;
  gap: 1rem;
  align-items: center;
  padding: 14px 16px;
  background: var(--surface);
  border-bottom: var(--rule) solid var(--hairline);
  border-radius: 0;
  transition: background-color 140ms ease;
}

.scoreboard-row:hover {
  background: var(--surface-2);
  transform: none;
  box-shadow: none;
}

.scoreboard-row.is-self {
  background: var(--signal-wash);
  border-left: 3px solid var(--signal);
  box-shadow: none;
}

.scoreboard-row .sb-label .name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
  display: block;
}

.scoreboard-row .sb-label .ver {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mid);
  margin-top: 0.15rem;
  letter-spacing: 0.04em;
}

.sb-bar {
  display: flex;
  height: 22px;
  border-radius: 0;
  overflow: hidden;
  background: var(--surface-2);
  border: var(--rule) solid var(--hairline);
}

.sb-seg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--canvas);
  letter-spacing: 0.04em;
  min-width: 0;
  transition: none;
}

.sb-seg-native {
  background: var(--signal);
  color: var(--canvas);
}

.sb-seg-precomputed {
  background: #4A4A4A;
  color: var(--canvas);
}

.sb-seg-workaround,
.sb-seg-unsupported {
  background: #CFCFCF;
  color: var(--ink);
  box-shadow: none;
}

.sb-tally {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mid);
  text-align: right;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.sb-tally strong {
  font-size: 1.18rem;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.01em;
  display: block;
}

.sb-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.1rem;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.02em;
}

.sb-legend .key {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sb-swatch {
  width: 12px;
  height: 12px;
  border-radius: 0;
  display: inline-block;
  border: var(--rule) solid var(--hairline);
}

@media (max-width: 820px) {
  .scoreboard-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .sb-tally { text-align: left; }
}

/* Question matrix */
.matrix-wrap {
  margin-top: 1.6rem;
  overflow-x: auto;
  border-radius: 0;
  border: var(--rule) solid var(--hairline);
  background: var(--surface);
}

.matrix-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.matrix-table thead th {
  padding: 12px 12px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  text-align: left;
  border-bottom: var(--rule-strong) solid var(--ink);
  background: var(--surface-2);
  position: sticky;
  top: 0;
  z-index: 1;
  font-weight: 500;
}

.matrix-table thead th.col-layer {
  text-align: center;
}

.matrix-table thead th.col-sr {
  color: var(--signal-deep);
  background: var(--signal-wash);
}

.matrix-table tbody td {
  padding: 11px 12px;
  border-bottom: var(--rule) solid var(--hairline);
  vertical-align: middle;
  color: var(--ink-2);
}

.matrix-table tbody td.col-layer {
  text-align: center;
}

.matrix-table tbody td.col-sr {
  background: var(--signal-wash);
}

.matrix-table .q-title {
  font-weight: 600;
  color: var(--ink);
}

.matrix-table .q-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.04em;
}

.scope-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 0;
  border: var(--rule) solid currentColor;
}

.scope-baseline { color: var(--success); }
.scope-advanced { color: var(--ink-2); }
.scope-diff     { color: var(--signal-deep); }
.scope-edge     { color: var(--mid); }

.col-sr .status-note.is-native {
  color: var(--signal-deep);
}

/* Generic signal table */
.signal-panel {
  margin-top: 1.7rem;
  padding: 22px;
  background: var(--surface);
  border: var(--rule) solid var(--hairline);
  overflow-x: auto;
}

.signal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.signal-table th,
.signal-table td {
  text-align: left;
  padding: 12px;
  border-bottom: var(--rule) solid var(--hairline);
}

.signal-table th {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  font-weight: 500;
}

.signal-table td code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface-2);
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  padding: 1px 5px;
  color: var(--ink-2);
}


/* ============================================================
   12. Code blocks + syntax classes
   ============================================================ */

.codeblock {
  position: relative;
  margin: 1rem 0;
  padding-left: 24px;
  border-left: var(--rule-strong) solid var(--ink);
}

.codeblock__caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: var(--rule) dashed var(--hairline-strong);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.04em;
}

.codeblock__caption .ref {
  color: var(--ink-2);
  font-weight: 600;
}

.codeblock pre {
  margin: 0;
  background: var(--surface);
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink);
  overflow-x: auto;
}

/* Syntax highlighting */
.codeblock .k,
.codeblock pre .k { color: var(--signal-deep); font-weight: 600; }
.codeblock .s,
.codeblock pre .s { color: var(--success); }
.codeblock .n,
.codeblock pre .n { color: var(--ink-2); }
.codeblock .c,
.codeblock pre .c { color: var(--mid); font-style: italic; }
.codeblock .p,
.codeblock pre .p { color: var(--mid); }

/* Legacy code-block (from styles.css docs pages) - bone-ify */
.code-block {
  position: relative;
  margin: 1rem 0;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  overflow: hidden;
  background: var(--surface);
}

.code-top {
  padding: 8px 12px;
  border-bottom: var(--rule) solid var(--hairline);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.code-top span {
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.copy-btn {
  border: var(--rule) solid var(--hairline-strong);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.copy-btn:hover {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}

.code-block pre {
  margin: 0;
  overflow-x: auto;
  padding: 16px 18px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-family: var(--mono);
  line-height: 1.55;
}


/* ============================================================
   13. CTA band - diagonal stripes, hairline bookends
   ============================================================ */

.cta-band {
  position: relative;
  padding: 2.4rem;
  border-radius: 0;
  border-top: var(--rule-strong) solid var(--ink);
  border-bottom: var(--rule-strong) solid var(--ink);
  background-color: var(--surface);
  background-image: repeating-linear-gradient(
    135deg,
    var(--surface) 0,
    var(--surface) 14px,
    var(--canvas) 14px,
    var(--canvas) 28px
  );
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cta-band h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.cta-band p {
  margin: 0;
  color: var(--ink-2);
  max-width: 56ch;
}

.cta-band .btn-secondary,
.cta-band .btn--ghost {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--canvas);
}

.cta-band .btn-secondary:hover,
.cta-band .btn--ghost:hover {
  background: var(--ink);
  color: var(--canvas);
}

/* Legacy refresh cta band - flatten any gradient backgrounds */
.cta-band-refresh {
  padding: 2.4rem;
  border-radius: 0;
  border-top: var(--rule-strong) solid var(--ink);
  border-bottom: var(--rule-strong) solid var(--ink);
  background-color: var(--surface);
  background-image: repeating-linear-gradient(
    135deg,
    var(--surface) 0,
    var(--surface) 14px,
    var(--canvas) 14px,
    var(--canvas) 28px
  );
  color: var(--ink);
  position: relative;
  overflow: hidden;
}

.cta-band-refresh::before {
  display: none;
}

.cta-band-refresh h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.cta-band-refresh p {
  margin: 0 0 1.2rem;
  color: var(--ink-2);
  max-width: 60ch;
}

.cta-band-refresh .btn-secondary {
  border-color: var(--ink);
  background: var(--canvas);
  color: var(--ink);
}

.cta-band-refresh .btn-secondary:hover {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}


/* ============================================================
   14. Footer + rail decoration
   ============================================================ */

.site-footer {
  position: relative;
  margin-top: 4rem;
  border-top: var(--rule-strong) solid var(--ink);
  background: var(--canvas);
}

.footer-rail {
  position: relative;
  height: 32px;
  margin-top: -16px;
  margin-bottom: -16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  pointer-events: none;
}

.footer-rail::before {
  content: "";
  position: absolute;
  left: 2rem;
  right: 2rem;
  top: 50%;
  height: var(--rule);
  background: var(--hairline-strong);
  transform: translateY(-50%);
}

.footer-rail .dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--canvas);
  border: var(--rule-strong) solid var(--ink);
  z-index: 1;
}

.footer-rail .dot.is-active {
  background: var(--signal);
  border-color: var(--signal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding: 2.4rem 0 1.4rem;
}

.footer-col h4 {
  margin: 0 0 0.8rem;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
}

.footer-col a {
  display: block;
  color: var(--ink-2);
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
}

.footer-col a:hover {
  color: var(--signal);
}

.foot-note {
  border-top: var(--rule) solid var(--hairline);
  padding: 1rem 0;
  color: var(--mid);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}


/* ============================================================
   15. Utility classes - page hero, dividers, callouts, etc.
   ============================================================ */

.method-note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 12px 16px;
  border-radius: 0;
  background: var(--signal-wash);
  border-left: var(--rule-strong) solid var(--signal);
  border-top: var(--rule) solid var(--hairline);
  border-right: var(--rule) solid var(--hairline);
  border-bottom: var(--rule) solid var(--hairline);
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.55;
}

.method-note .icon-dash {
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.rail-divider {
  margin: 3.4rem auto;
  border: 0;
  height: 1px;
  background: var(--hairline);
  max-width: 720px;
}

.check-list {
  list-style: none;
  padding-left: 0;
  margin: 0.6rem 0;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin: 0.5rem 0;
  color: var(--ink-2);
  font-size: 0.94rem;
  line-height: 1.5;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.18rem;
  width: 1.1rem;
  height: 1.1rem;
  background: transparent;
  color: var(--signal);
  border: var(--rule) solid var(--signal);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
}

.check-list.x-list li::before {
  content: "×";
  color: var(--mid);
  border-color: var(--mid);
}

/* Hero proof chips */
.hero-proof {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 780px;
  border: var(--rule) solid var(--hairline);
}

.hero-proof div {
  min-width: 0;
  padding: 14px 16px;
  border-right: var(--rule) solid var(--hairline);
  background: var(--surface);
}

.hero-proof div:last-child {
  border-right: 0;
}

.hero-proof strong,
.hero-proof span {
  display: block;
}

.hero-proof strong {
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0;
  color: var(--ink);
}

.hero-proof span {
  margin-top: 0.25rem;
  color: var(--mid);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* Pills, tabs, tiles */
.pill {
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 0;
  border: var(--rule) solid var(--hairline-strong);
  background: var(--surface);
  letter-spacing: 0.02em;
}

.tab-btn {
  border: var(--rule-strong) solid var(--hairline-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--body);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 14px;
  cursor: pointer;
}

.tab-btn.active {
  border-color: var(--ink);
  color: var(--canvas);
  background: var(--ink);
}

.tile {
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 16px;
}

.tile h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.04rem;
}

.tile p {
  margin: 0.5rem 0 0;
  color: var(--ink-2);
  font-size: 0.92rem;
}

/* Path strip */
.path-strip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 14px 16px;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
}

.path-node {
  padding: 5px 10px;
  border: var(--rule) solid var(--hairline-strong);
  border-radius: 0;
  background: var(--canvas);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
}

.path-arrow {
  color: var(--mid);
  font-family: var(--mono);
  font-size: 1rem;
}

/* Diagram block (legacy) */
.diagram {
  padding: 18px;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
}

.node {
  border: var(--rule) solid var(--hairline);
  background: var(--canvas);
  border-radius: 0;
  padding: 10px;
}

.node h4 {
  margin: 0;
  font-family: var(--display);
  font-size: 0.92rem;
  color: var(--ink);
}

.node p {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
  color: var(--ink-2);
}

/* Quote */
.quote {
  padding: 22px;
  border: var(--rule) solid var(--hairline);
  border-left: var(--rule-strong) solid var(--signal);
  border-radius: 0;
  background: var(--surface);
  font-size: 1rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.quote strong {
  display: block;
  margin-top: 0.8rem;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Logo wall */
.logo-pill {
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 14px;
  text-align: center;
  color: var(--mid);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Price cards */
.price-card {
  position: relative;
  padding: 22px;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
}

.price-card.featured {
  border: var(--rule-strong) solid var(--signal);
  box-shadow: none;
}

.price-card.featured::before {
  content: "";
  position: absolute;
  top: -1.5px;
  left: -1.5px;
  right: -1.5px;
  height: 4px;
  background: var(--signal);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 0;
  padding: 4px 8px;
  background: var(--signal-wash);
  color: var(--signal-deep);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: var(--rule) solid var(--signal);
}

.price {
  margin: 0.8rem 0;
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 600;
}

.price small {
  font-size: 0.86rem;
  font-family: var(--mono);
  color: var(--mid);
  letter-spacing: 0.04em;
}

.feature-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.3rem;
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.5;
}

.feature-list li + li {
  margin-top: 0.55rem;
}

.feature-list li::before {
  content: " - ";
  position: absolute;
  left: 0;
  color: var(--signal);
  font-family: var(--mono);
}

/* FAQ */
.faq-item {
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 14px 16px;
}

.faq-item button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-family: var(--display);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms ease;
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.55;
}

.faq-item.open .faq-answer {
  max-height: 240px;
  margin-top: 0.7rem;
}

/* Metric / KPI */
.metric {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-family: var(--display);
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.kpi-card {
  padding: 18px;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
}

/* Section head */
.section-head {
  margin-bottom: 1.8rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  letter-spacing: -0.015em;
  color: var(--ink);
  font-weight: 600;
}

.section-head p {
  margin: 0.7rem 0 0;
  color: var(--ink-2);
  max-width: 70ch;
}

/* Docs */
.docs-sidebar {
  position: sticky;
  top: calc(var(--header-offset) + 8px);
  align-self: start;
  height: calc(100vh - var(--header-offset) - 1.5rem);
  overflow-y: auto;
  overscroll-behavior: none;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline-strong) transparent;
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  background: var(--surface);
  padding: 14px;
}

.docs-sidebar::-webkit-scrollbar { width: 6px; }
.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--hairline-strong);
  border-radius: 0;
}

@media (max-width: 1040px) {
  .docs-sidebar {
    height: auto;
    max-height: none;
    overflow-y: visible;
    position: static;
  }
}

.docs-nav a {
  display: block;
  border-radius: 0;
  padding: 8px 10px;
  color: var(--ink-2);
  font-size: 0.88rem;
  font-weight: 500;
  border-left: 2px solid transparent;
}

.docs-nav a:hover,
.docs-nav a.active {
  color: var(--ink);
  background: var(--surface-2);
  border-left-color: var(--signal);
}

.docs-nav-group {
  margin-bottom: 0.4rem;
}

.docs-nav-group > summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 0;
  font-family: var(--display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: 140ms ease;
}

.docs-nav-group > summary::-webkit-details-marker { display: none; }

.docs-nav-group > summary::after {
  content: "›";
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--mid);
  transition: transform 200ms ease;
}

.docs-nav-group[open] > summary::after {
  transform: rotate(90deg);
  color: var(--ink);
}

.docs-nav-group > summary:hover {
  background: var(--surface-2);
}

.docs-nav-group .docs-nav-children {
  display: grid;
  gap: 0;
  padding: 0.2rem 0 0.4rem 0.5rem;
  border-left: var(--rule) solid var(--hairline);
  margin-left: 0.6rem;
}

.docs-nav-children a {
  display: block;
  padding: 6px 10px;
  border-radius: 0;
  color: var(--ink-2);
  font-size: 0.84rem;
  font-weight: 500;
}

.docs-nav-children a:hover,
.docs-nav-children a.active {
  color: var(--signal-deep);
  background: var(--signal-wash);
}

.docs-subnav {
  display: grid;
  gap: 0;
  margin: 0.3rem 0 0.6rem 1rem;
  padding-left: 0.55rem;
  border-left: var(--rule) solid var(--hairline);
}

.docs-subnav a {
  display: block;
  padding: 6px 10px;
  border-radius: 0;
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--mid);
  line-height: 1.35;
  border-left: 2px solid transparent;
  margin-left: -0.55rem;
  padding-left: 0.7rem;
  transition: 140ms ease;
}

.docs-subnav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.docs-subnav a.is-active {
  color: var(--signal-deep);
  background: var(--signal-wash);
  border-left-color: var(--signal);
  font-weight: 600;
}

details.doc-section {
  border: var(--rule) solid var(--hairline);
  border-radius: 0;
  margin: 0.8rem 0;
  background: var(--surface);
  overflow: hidden;
}

details.doc-section > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  background: var(--surface-2);
  transition: background-color 140ms ease;
}

details.doc-section > summary::-webkit-details-marker { display: none; }

details.doc-section > summary:hover {
  background: var(--canvas);
}

details.doc-section > summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--ink);
  font-weight: 600;
  width: 1.4rem;
  height: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--rule) solid var(--ink);
  border-radius: 0;
  background: transparent;
  transition: background-color 140ms ease;
}

details.doc-section[open] > summary::after {
  content: "−";
  background: var(--signal);
  color: var(--canvas);
  border-color: var(--signal);
}

details.doc-section[open] > summary {
  border-bottom: var(--rule) solid var(--hairline);
}

details.doc-section .doc-section-body {
  padding: 16px 18px;
}

/* Eyebrow page hero (legacy alias) */
.page-hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4.1vw, 3.4rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-hero p {
  margin: 1rem 0 0;
  color: var(--ink-2);
  max-width: 74ch;
}

/* Reveal motion is suppressed in reduced-motion */
.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.reveal.in {
  opacity: 1;
  transform: none;
}


/* ============================================================
   16. Responsive breakpoints
   ============================================================ */

@media (max-width: 1040px) {
  .hero-grid,
  .pricing-grid,
  .platform-grid,
  .grid-3,
  .footer-grid,
  .logo-wall {
    grid-template-columns: 1fr;
  }
  .site-nav {
    display: none;
    position: absolute;
    left: 4vw;
    right: 4vw;
    top: 64px;
    border: var(--rule) solid var(--hairline);
    border-radius: 0;
    background: var(--canvas);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    box-shadow: none;
  }
  .site-nav.open {
    display: flex;
    gap: 0.35rem;
  }
  .site-nav a {
    border-radius: 0;
    border-left: 2px solid transparent;
    border-bottom: 0;
  }
  .site-nav a:hover,
  .site-nav a.active {
    border-left-color: var(--signal);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-cta .btn-secondary {
    display: none;
  }
  .mobile-cta {
    display: block;
  }
}

.mobile-cta { display: none; }

@media (max-width: 640px) {
  .section {
    padding: 2.8rem 0;
  }
  .hero {
    padding-top: 3.5rem;
  }
  .hero-proof {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-band {
    padding: 1.5rem;
  }
  .site-header-inner {
    height: 60px;
  }
  .site-nav {
    top: 60px;
  }
  .nav-cta {
    display: none;
  }
  .schematic-rail {
    padding: 24px 18px;
  }
  .site-nav.open .mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding-top: 0.6rem;
    margin-top: 0.3rem;
    border-top: var(--rule) solid var(--hairline);
  }
}

@media (max-width: 1024px) and (min-width: 901px) {
  .pipeline-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}


/* ============================================================
   17. Reduced-motion overrides
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .station-pulse {
    animation: none !important;
    opacity: 0;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==============================================================
   AGENT TERMINAL - animated hero demo
   Dark carbon panel that lives inside the bone canvas. The terminal
   is the one place we go dark on purpose; treat it as a *figure*
   embedded in the page, not as a theme inversion.
   ============================================================== */

.agent-terminal {
  position: relative;
  background: var(--ink);
  color: #E6E1D2;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  overflow: hidden;
  isolation: isolate;
}

/* faint vermilion ambient glow - sits behind the body */
.agent-terminal-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(60% 40% at 80% 12%, rgba(227, 66, 52, 0.18), transparent 70%),
    radial-gradient(50% 30% at 8% 92%, rgba(227, 66, 52, 0.10), transparent 70%);
}

/* header bar */
.agent-terminal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  background: #14171A;
  border-bottom: 1px solid #2A2D32;
  position: relative;
  z-index: 1;
}

.agent-terminal-top .dots {
  display: inline-flex;
  gap: 6px;
}
.agent-terminal-top .dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3A3E44;
  display: inline-block;
}
.agent-terminal-top .dots span:nth-child(1) { background: #E34234; }
.agent-terminal-top .dots span:nth-child(2) { background: #D9A23A; }
.agent-terminal-top .dots span:nth-child(3) { background: #5C7A2E; }

.agent-terminal-top .title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: #9A958A;
}

.agent-terminal-controls {
  display: inline-flex;
  gap: 6px;
}
.agent-terminal-controls button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #C9C2B2;
  background: transparent;
  border: 1px solid #2A2D32;
  border-radius: 0;
  padding: 4px 9px;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}
.agent-terminal-controls button:hover {
  border-color: var(--signal);
  color: var(--signal);
}

/* animated body */
.agent-terminal-body {
  position: relative;
  z-index: 1;
  padding: 1rem 1.1rem 1.2rem;
  min-height: 360px;
  max-height: 520px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.agent-terminal-body::-webkit-scrollbar { width: 6px; }
.agent-terminal-body::-webkit-scrollbar-track { background: transparent; }
.agent-terminal-body::-webkit-scrollbar-thumb { background: #2A2D32; }

/* step grouping rendered by the JS */
.agent-step {
  margin-bottom: 0.85rem;
}
.agent-step:last-child { margin-bottom: 0; }

.agent-block {
  margin: 0.25rem 0 0.5rem;
  padding: 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.025);
  border-left: 2px solid var(--signal);
  color: #D4CFC0;
  font-size: 12.5px;
  line-height: 1.5;
}

.agent-result {
  color: #D4CFC0;
  font-size: 12.5px;
  white-space: pre;
}

/* token classes used by the JS markup */
.agent-user {
  color: var(--canvas);
  font-weight: 500;
}
.agent-tool {
  color: var(--signal);
  font-weight: 500;
}
.agent-arg {
  color: #C3D2A0; /* desaturated olive - lighter than --success on dark */
}
.agent-string {
  color: #E8C57A; /* warm amber for strings on dark */
}
.agent-comment {
  color: #7B7464;
  font-style: italic;
}
.agent-value {
  color: #EDE7D6;
}
.agent-success {
  color: #A8C77F; /* lighter olive for legibility on carbon */
}
.agent-warn {
  color: #E8B247;
}

/* stage indicator chips at the bottom */
.agent-stage-indicator {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0.45rem 0.9rem 0.55rem;
  background: #14171A;
  border-top: 1px solid #2A2D32;
  position: relative;
  z-index: 1;
}
.agent-stage-indicator .stage {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #6E6A5F;
  padding: 0.3rem 0.7rem 0.3rem 0;
  margin-right: 0.7rem;
  border-right: 1px solid #2A2D32;
  transition: color 140ms ease;
}
.agent-stage-indicator .stage:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}
.agent-stage-indicator .stage.is-active {
  color: var(--signal);
}
.agent-stage-indicator .stage.is-done {
  color: #C9C2B2;
}

/* honor reduced motion - JS handles the animation step-by-step but
   the glow shouldn't pulse. The glow is static; nothing to disable. */
@media (prefers-reduced-motion: reduce) {
  .agent-terminal { /* hooks for any future motion */ }
}


/* ============================================================
   23. Hosted demo and MCP connection pages
   ============================================================ */

.live-hero {
  padding-bottom: 2rem;
}

.demo-notice {
  max-width: 72ch;
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--signal);
  background: var(--signal-wash);
  color: var(--ink-2);
  font-size: 0.92rem;
}

.live-workbench {
  padding-top: 2rem;
}

.live-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.55fr);
  gap: 1.5rem;
  align-items: start;
}

.live-control {
  position: sticky;
  top: 88px;
  padding: 0 1.25rem 1.35rem;
}

.live-control .drafting-strip {
  margin: 0 -1.25rem 1.25rem;
}

.live-control label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
}

.live-control textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  padding: 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font: 500 0.96rem/1.55 var(--body);
}

.live-control textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.preset-list {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0;
}

.preset-button {
  width: 100%;
  padding: 0.62rem 0.7rem;
  text-align: left;
  border: 1px solid var(--hairline);
  border-radius: 0;
  background: transparent;
  color: var(--ink-2);
  font: 0.82rem var(--mono);
  cursor: pointer;
}

.preset-button:hover,
.preset-button.is-active {
  border-color: var(--signal);
  color: var(--signal-deep);
  background: var(--signal-wash);
}

.live-run {
  width: 100%;
}

.live-cold {
  margin: 0.8rem 0 0;
  color: var(--signal-deep);
  font-size: 0.82rem;
}

.pipeline-status {
  display: grid;
  gap: 0;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.pipeline-status li {
  display: flex;
  gap: 0.7rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--mid);
  font: 0.78rem var(--mono);
}

.pipeline-status li span {
  color: var(--hairline-strong);
}

.pipeline-status li.is-active {
  color: var(--signal);
}

.pipeline-status li.is-done {
  color: var(--success);
}

.pipeline-status li.is-error {
  color: var(--danger);
}

.live-output {
  display: grid;
  gap: 1rem;
}

.output-panel {
  padding: 1.25rem;
  min-width: 0;
}

.output-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.9rem;
}

.output-head h2 {
  margin: 0.15rem 0 0;
  font-size: 1.25rem;
}

.output-state {
  font: 0.7rem var(--mono);
  color: var(--mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.live-code {
  min-height: 90px;
  max-height: 360px;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  border: 1px solid #2A2D32;
  background: #14171A;
  color: #EDE7D6;
  font: 0.78rem/1.55 var(--mono);
  white-space: pre-wrap;
}

.error-panel {
  border-color: var(--danger);
}

.result-table-wrap {
  overflow-x: auto;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.result-table th,
.result-table td {
  padding: 0.7rem;
  border: 1px solid var(--hairline);
  text-align: left;
  white-space: nowrap;
}

.result-table th {
  background: var(--surface-2);
  font: 0.72rem var(--mono);
  color: var(--mid);
}

.endpoint-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1rem;
  max-width: 760px;
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
}

.endpoint-card .caption {
  width: 100%;
}

.endpoint-card code {
  flex: 1;
  min-width: 260px;
  font-size: clamp(0.82rem, 2vw, 1rem);
  color: var(--signal-deep);
}

.mcp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.7fr);
  gap: 1.5rem;
  align-items: start;
}

.mcp-panel {
  padding: 1.4rem;
}

.mcp-panel h2 {
  margin: 0.35rem 0 1rem;
}

.numbered-steps {
  margin: 1rem 0 1.5rem;
  padding-left: 1.3rem;
}

.numbered-steps li {
  margin: 0.55rem 0;
  padding-left: 0.35rem;
}

.policy-panel {
  border-top: 3px solid var(--signal);
}

.tool-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tool-index code {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
  color: var(--ink-2);
}

@media (max-width: 920px) {
  .live-grid,
  .mcp-grid {
    grid-template-columns: 1fr;
  }

  .live-control {
    position: static;
  }
}

/* iOS Safari auto-zooms focused inputs whose font-size is under 16px;
   keep form fields at 16px on phones so the viewport stays put. */
@media (max-width: 640px) {
  input,
  select,
  textarea,
  .live-control textarea {
    font-size: 16px;
  }
}

/* ============================================================
   Figure animations (sr-animations.js)
   Hop trace, annotated compile, scoreboard race. Markup ships
   in its finished state; these classes drive the replays.
   ============================================================ */

/* ---- Entity hop trace ---- */
.hoptrace {
  padding: 28px 28px 20px;
}

.ht-intent {
  border: var(--rule) solid var(--hairline-strong);
  background: var(--canvas);
  padding: 10px 14px;
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 0.82rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 480ms cubic-bezier(0.21, 1, 0.31, 1),
    transform 480ms cubic-bezier(0.21, 1, 0.31, 1);
}

.ht-intent.show {
  opacity: 1;
  transform: none;
}

.ht-intent .verb {
  color: var(--signal);
}

.ht-intent .sub {
  display: block;
  margin-top: 4px;
  color: var(--mid);
  font-size: 0.72rem;
}

.hoptrace svg {
  display: block;
  width: 100%;
  height: auto;
}

.ht-edge {
  stroke: var(--ink);
  stroke-width: 1.25;
  opacity: 0.16;
  fill: none;
}

.ht-overlay {
  stroke: var(--signal);
  stroke-width: 2.25;
  fill: none;
  opacity: 0;
}

.ht-overlay.bad {
  stroke: var(--danger);
}

.ht-overlay.on {
  opacity: 1;
  transition: stroke-dashoffset 650ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ht-overlay.on.dim {
  opacity: 0.3;
  transition: opacity 400ms ease;
}

.ht-zip {
  fill: var(--signal);
  opacity: 0;
}

.ht-zip.go {
  opacity: 1;
}

.ht-node rect.box {
  fill: var(--canvas);
  stroke: var(--hairline-strong);
  stroke-width: 1.25;
  transition: stroke 240ms ease, fill 240ms ease;
}

.ht-node text.label {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  fill: var(--ink);
}

.ht-node text.key {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--mid);
  letter-spacing: 0.04em;
}

.ht-node.lit rect.box {
  stroke: var(--ink);
}

.ht-node.root rect.box {
  stroke: var(--signal);
  stroke-width: 2;
}

.ht-node.target rect.box {
  stroke: var(--signal);
  stroke-width: 2;
  fill: var(--signal-wash);
}

.ht-node.refused rect.box {
  stroke: var(--danger);
  stroke-width: 2;
  stroke-dasharray: 5 4;
}

.ht-pulse {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.5;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.ht-node.root .ht-pulse {
  animation: ht-rect-pulse 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes ht-rect-pulse {
  0% {
    opacity: 0.55;
    transform: scale(1);
  }
  70% {
    opacity: 0;
    transform: scale(1.18);
  }
  100% {
    opacity: 0;
    transform: scale(1.18);
  }
}

.ht-stamp {
  opacity: 0;
  transform: translateY(6px) scale(0.94);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 320ms ease, transform 320ms cubic-bezier(0.21, 1, 0.31, 1);
}

.ht-stamp.show {
  opacity: 1;
  transform: none;
}

.ht-stamp rect {
  fill: var(--surface);
  stroke: var(--hairline-strong);
  stroke-width: 1;
}

.ht-stamp text {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--ink-2);
  letter-spacing: 0.03em;
}

.ht-stamp text .ok {
  fill: var(--success);
}

.ht-stamp.bad rect {
  stroke: var(--danger);
}

.ht-stamp.bad text {
  fill: var(--danger);
}

.ht-profile {
  border: var(--rule) solid var(--hairline);
  border-left: 2px solid var(--signal);
  background: var(--canvas);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.8;
  min-height: 172px;
  position: relative;
  transition: border-color 300ms ease;
}

.ht-profile.err {
  border-left-color: var(--danger);
}

.ht-panel {
  position: absolute;
  inset: 12px 16px;
  visibility: hidden;
}

.ht-panel.is-on {
  visibility: visible;
}

.ht-panel .head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.ht-panel .ttl {
  color: var(--signal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.ht-panel .ttl.bad {
  color: var(--danger);
}

.ht-panel .ctx {
  color: var(--mid);
  font-size: 0.7rem;
}

.ht-ln {
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 380ms ease, transform 380ms cubic-bezier(0.21, 1, 0.31, 1);
  white-space: pre;
}

.ht-ln.wrap {
  white-space: normal;
}

.ht-ln.show {
  opacity: 1;
  transform: none;
}

.ht-panel .dim {
  color: var(--mid);
}

.ht-panel .ok {
  color: var(--success);
}

.ht-panel .bad {
  color: var(--danger);
}

.ht-panel .rel {
  color: var(--signal-deep);
}

.ht-replay,
.xsql-replay {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: none;
  border: var(--rule) solid var(--hairline-strong);
  color: var(--ink);
  padding: 5px 11px;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}

.ht-replay:hover,
.xsql-replay:hover {
  background: var(--ink);
  color: var(--canvas);
}

.ht-canvas {
  overflow-x: auto;
}

@media (max-width: 720px) {
  .hoptrace {
    padding: 18px 14px 14px;
  }

  .hoptrace .legend-hint {
    display: none;
  }

  /* keep the graph legible: fixed drawing width, pan sideways */
  .ht-canvas svg {
    min-width: 640px;
  }

  /* panels stack in flow and the payload pans sideways */
  .ht-profile {
    font-size: 0.62rem;
    min-height: 0;
    overflow-x: auto;
  }

  .ht-panel {
    position: static;
    display: none;
    min-width: max-content;
    padding-right: 8px;
  }

  .ht-panel.is-on {
    display: block;
  }

  .ht-intent {
    font-size: 0.74rem;
  }

  .ht-intent .sub {
    font-size: 0.64rem;
  }
}

/* ---- Annotated compile output ---- */
.xsql {
  margin-top: 1.6rem;
  padding: 28px;
}

.xsql-callbar {
  border: var(--rule) solid var(--hairline-strong);
  background: var(--canvas);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.xsql-callbar .verb {
  color: var(--signal);
}

.xsql-sheet {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 470px;
}

.xsql-row {
  display: grid;
  grid-template-columns: minmax(300px, 470px) 1fr;
  align-items: center;
  min-height: 30px;
}

.xsql-code {
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: pre;
  color: var(--ink);
}

.xsql-code .kw {
  color: var(--signal-deep);
  font-weight: 500;
}

.xsql-caret {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--ink);
  vertical-align: -2px;
}

.xsql-note {
  display: flex;
  align-items: center;
  min-width: 0;
}

.xsql-leader {
  height: 1px;
  background: var(--hairline-strong);
  width: 0;
  flex: none;
  transition: width 360ms cubic-bezier(0.4, 0, 0.2, 1);
}

.xsql-tag {
  border: var(--rule) solid var(--hairline-strong);
  border-left: 2px solid var(--signal);
  background: var(--canvas);
  padding: 5px 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 320ms ease, transform 320ms cubic-bezier(0.21, 1, 0.31, 1);
}

.xsql-row.annotated .xsql-leader {
  width: 34px;
}

.xsql-row.annotated .xsql-tag {
  opacity: 1;
  transform: none;
}

.xsql-tag .k {
  color: var(--signal-deep);
}

.xsql-tag .ok {
  color: var(--success);
}

.xsql-foot {
  margin: 14px 0 0;
  border-top: var(--rule) solid var(--hairline);
  padding-top: 12px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
  opacity: 0;
  transition: opacity 420ms ease;
}

.xsql-foot.show {
  opacity: 1;
}

.xsql-foot .k {
  color: var(--signal-deep);
}

@media (max-width: 860px) {
  .xsql {
    padding: 18px 14px;
  }

  .xsql .legend-hint {
    display: none;
  }

  .xsql-row {
    grid-template-columns: 1fr;
  }

  .xsql-note {
    display: none;
  }

  .xsql-sheet {
    min-height: 0;
    overflow-x: auto;
  }

  .xsql-code {
    font-size: 0.7rem;
  }

  .xsql-callbar {
    font-size: 0.68rem;
  }
}

/* ---- Scoreboard race ---- */
.scoreboard.sb-anim .sb-seg {
  transition: flex-grow 1500ms cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  white-space: nowrap;
}

.scoreboard-row.sb-flash {
  animation: sb-flash 900ms ease 1;
}

@keyframes sb-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(227, 66, 52, 0.45);
  }
  100% {
    box-shadow: 0 0 0 14px rgba(227, 66, 52, 0);
  }
}