:root {
  --bg: #060814;
  --bg-soft: #0b1022;
  --panel: rgba(14, 20, 42, 0.78);
  --panel-strong: rgba(11, 18, 38, 0.94);
  --panel-border: rgba(148, 163, 184, 0.14);
  --panel-border-strong: rgba(56, 189, 248, 0.22);
  --text: #e5eefb;
  --text-soft: #9ca8c2;
  --text-muted: #68748f;
  --blue: #38bdf8;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --green: #4ade80;
  --amber: #fbbf24;
  --red: #f87171;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --mono: "JetBrains Mono", monospace;
  --sans: "Inter", system-ui, sans-serif;
  --topbar-h: 72px;
  --mobilebar-h: 76px;
  --slide-pad-x: clamp(20px, 4vw, 48px);
  --slide-pad-y: clamp(24px, 4vh, 40px);
  --transition: 720ms cubic-bezier(.22,.9,.22,1);
}

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

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 24%),
    radial-gradient(circle at top right, rgba(167, 139, 250, 0.12), transparent 26%),
    linear-gradient(180deg, #070a16 0%, #090e1f 45%, #050712 100%);
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.deck-shell {
  position: relative;
  width: 100%;
  height: 100%;
  isolation: isolate;
}

.deck-shell::before,
.deck-shell::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.deck-shell::before {
  width: 40vw;
  height: 40vw;
  top: 6vh;
  left: -8vw;
  background: rgba(34, 211, 238, 0.08);
}

.deck-shell::after {
  width: 36vw;
  height: 36vw;
  right: -10vw;
  bottom: 8vh;
  background: rgba(167, 139, 250, 0.08);
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--topbar-h);
  padding: 14px var(--slide-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  z-index: 40;
  background: linear-gradient(180deg, rgba(6, 8, 20, 0.9), rgba(6, 8, 20, 0.58));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.brand-button {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  cursor: pointer;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.brand-meta {
  font-size: 0.84rem;
  color: var(--text-soft);
}

.topbar-nav-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topnav a {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.topnav a:hover,
.topnav a.is-active {
  color: var(--text);
  background: rgba(56, 189, 248, 0.1);
}

.topnav-divider {
  display: inline-block;
  width: 1px;
  height: 20px;
  background: rgba(148, 163, 184, 0.22);
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav-links a {
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav-links a:hover {
  color: var(--text);
  background: rgba(167, 139, 250, 0.12);
}

.mobile-sheet__divider {
  height: 1px;
  background: rgba(148, 163, 184, 0.12);
  margin: 18px 0;
}

.mobile-sheet__section {
  padding: 0 2px;
}

.mobile-sheet__section-title {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.mobile-site-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mobile-site-links a {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(148, 163, 184, 0.06);
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.mobile-site-links a:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--text);
  border-color: rgba(56, 189, 248, 0.22);
}

.progress-rail {
  position: fixed;
  top: 50%;
  right: clamp(12px, 2vw, 24px);
  transform: translateY(-50%);
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  min-height: 240px;
}

.progress-rail__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(148, 163, 184, 0.18), transparent);
}

.progress-dots {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 1;
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(10, 14, 29, 0.9);
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.0);
  transition: transform 200ms ease, background 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
  cursor: pointer;
}

.progress-dot.is-active {
  transform: scale(1.18);
  background: var(--blue);
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 0 8px rgba(56, 189, 248, 0.12);
}

.deck {
  position: relative;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  z-index: 1;
}

.slide {
  position: absolute;
  inset: 0;
  padding:
    calc(var(--topbar-h) + var(--slide-pad-y))
    calc(var(--slide-pad-x) + 40px)
    calc(var(--slide-pad-y) + 28px)
    var(--slide-pad-x);
  transition: transform var(--transition), opacity 420ms ease, filter 420ms ease;
  opacity: 0;
  pointer-events: none;
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.05), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(167, 139, 250, 0.05), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent 34%);
  z-index: -1;
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  filter: none;
}

.slide__inner {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  height: 100%;
  display: grid;
  gap: clamp(16px, 2.4vh, 28px);
}

.split-layout {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
}

.split-layout--demo {
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
}

.stack-layout {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.hero-layout {
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.16);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1,
h2,
h3,
.metric-card__value,
.compare-card__metric {
  line-height: 1.05;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.4rem);
  margin: 18px 0 16px;
  font-weight: 900;
  letter-spacing: -0.04em;
  max-width: 11ch;
  background: linear-gradient(135deg, #ffffff 0%, #8fd9ff 38%, #77c7ff 56%, #b59eff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  margin: 14px 0 12px;
  font-weight: 850;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

h3 {
  margin: 0 0 10px;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  font-weight: 700;
}

.lede,
.section-subtitle,
.copy-panel p,
.compare-card p,
.legend-list,
.callout,
.hero-footnote,
.hero-visual__note,
.demo-result,
.similarity-card__copy p {
  color: var(--text-soft);
}

.lede {
  font-size: clamp(1.04rem, 1.8vw, 1.28rem);
  max-width: 44rem;
}

.section-heading {
  max-width: 84rem;
}

.section-subtitle {
  margin: 0;
  font-size: 1.02rem;
  max-width: 56rem;
}

.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(16, 22, 44, 0.88), rgba(8, 12, 26, 0.9));
  border: 1px solid var(--panel-border);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.035);
}

.panel--glow {
  border-color: var(--panel-border-strong);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(56, 189, 248, 0.04), 0 0 60px rgba(56, 189, 248, 0.08);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px 0;
}

.panel__tag,
.mini-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
}

.panel__mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.metric-grid {
  display: grid;
  gap: 14px;
}

.metric-grid--hero {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.metric-grid--results {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.metric-card {
  padding: 18px 16px;
  min-height: 110px;
  border-radius: 22px;
  background: rgba(14, 20, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.metric-card__value {
  font-family: var(--mono);
  font-weight: 800;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.metric-card__label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-card--green .metric-card__value { color: var(--green); }
.metric-card--blue .metric-card__value { color: var(--blue); }
.metric-card--purple .metric-card__value { color: var(--purple); }
.metric-card--cyan .metric-card__value { color: var(--cyan); }
.metric-card--amber .metric-card__value { color: var(--amber); }

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-footnote {
  margin-top: 18px;
  font-size: 0.95rem;
}

.hero-visual {
  padding: 0 0 22px;
}

.hero-visual__stage {
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr auto 1fr 1fr;
  gap: 18px;
  align-items: end;
}

.hero-visual__arrow {
  align-self: center;
  justify-self: center;
  font-size: 2rem;
  color: var(--text-muted);
}

.bit-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.bit-pill {
  min-width: 48px;
  padding: 10px 12px;
  border-radius: 14px;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.bit-pill--pos {
  color: var(--blue);
  background: rgba(56, 189, 248, 0.12);
}

.bit-pill--neg {
  color: var(--red);
  background: rgba(248, 113, 113, 0.12);
}

.latent-mini,
.latent-bar {
  display: flex;
  align-items: flex-end;
  gap: 3px;
}

.latent-mini {
  margin-top: 12px;
  height: 76px;
}

.latent-mini__bar,
.latent-col {
  width: 16px;
  border-radius: 999px 999px 6px 6px;
}

.latent-mini__bar {
  transition: height 180ms ease, background 180ms ease;
}

.hero-visual__note {
  padding: 0 22px;
  font-size: 0.94rem;
}

.copy-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.bullet-list {
  display: grid;
  gap: 14px;
}

.bullet-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.bullet-item__index {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 800;
  background: rgba(56, 189, 248, 0.12);
  color: var(--blue);
}

.bullet-item p {
  margin: 4px 0 0;
  font-size: 0.94rem;
}

.callout {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.18);
  font-size: 0.95rem;
}

.architecture-panel {
  padding: 28px;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 20px;
}

.architecture-diagram {
  display: grid;
  gap: 28px;
}

.architecture-row {
  display: grid;
  gap: 14px;
  align-items: center;
}

.architecture-row--top {
  grid-template-columns: minmax(120px, 1fr) 90px minmax(160px, 1.2fr) 90px minmax(140px, 1fr);
}

.architecture-row--mirror {
  justify-content: center;
  grid-template-columns: 130px minmax(140px, 220px) 130px;
  padding-top: 14px;
  border-top: 1px dashed rgba(148, 163, 184, 0.18);
}

.arch-node,
.arch-link {
  min-height: 92px;
  padding: 16px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  text-align: center;
}

.arch-node {
  background: rgba(13, 18, 36, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.arch-node__title,
.arch-link__title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.arch-node__main {
  font-size: 1.02rem;
  font-weight: 700;
}

.arch-node__sub,
.arch-link__sub {
  font-size: 0.8rem;
  color: var(--text-soft);
}

.arch-node--input .arch-node__main,
.arch-node--latent .arch-node__main { color: var(--blue); }
.arch-node--c19 .arch-node__main { color: var(--purple); }
.arch-node--recon .arch-node__main { color: var(--green); }

.arch-link {
  min-height: 80px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px dashed rgba(56, 189, 248, 0.22);
  position: relative;
}

.arch-link::after {
  content: "→";
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.arch-link--mirror {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148, 163, 184, 0.18);
}

.arch-link--mirror::after {
  content: "↘";
}

.architecture-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.architecture-stat {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(148, 163, 184, 0.1);
  text-align: center;
}

.architecture-stat span {
  display: block;
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--green);
}

.architecture-stat label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compare-card {
  padding: 26px;
}

.compare-card__eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted);
}

.compare-card__metric {
  margin: 16px 0 14px;
  font-family: var(--mono);
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 900;
}

.compare-card--red .compare-card__metric,
.compare-card--red h3 { color: var(--red); }

.compare-card--green .compare-card__metric,
.compare-card--green h3 { color: var(--green); }

.breakthrough-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 18px;
  min-height: 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step-card {
  padding: 20px 18px;
  display: grid;
  gap: 16px;
  grid-template-columns: 50px minmax(0, 1fr);
}

.step-card__num {
  width: 50px;
  height: 50px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--blue);
  background: rgba(56, 189, 248, 0.12);
}

.step-card p,
.breakthrough-callout p {
  margin: 0;
}

.breakthrough-callout {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.breakthrough-callout__footer,
.demo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.pill--green {
  color: var(--green);
  background: rgba(74, 222, 128, 0.1);
  border-color: rgba(74, 222, 128, 0.18);
}

.pill--blue {
  color: var(--blue);
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.18);
}

.results-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 18px;
  min-height: 0;
}

.chart-panel,
.legend-panel,
.demo-controls,
.demo-stage,
.histogram-card,
.similarity-card {
  padding: 18px 20px 20px;
}

.chart-canvas {
  width: 100%;
  height: auto;
  margin-top: 8px;
}

.legend-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  font-size: 0.94rem;
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 8px;
}

.legend-dot--current {
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(56, 189, 248, 0.12);
}

.legend-dot--historical {
  background: var(--text-muted);
}

.legend-dot--green {
  background: var(--green);
}

.demo-controls {
  display: grid;
  gap: 16px;
}

.control-label {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
}

.demo-controls input[type="number"] {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(8, 12, 24, 0.78);
  color: var(--text);
  border-radius: 18px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 1.1rem;
  outline: none;
}

.demo-controls input[type="number"]:focus {
  border-color: rgba(56, 189, 248, 0.4);
}

.demo-controls input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}

.demo-char-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.char-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  min-height: 60px;
  padding: 0 18px;
  border-radius: 20px;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.14);
}

.mode-toggle {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(148, 163, 184, 0.08);
  width: fit-content;
}

.mode-toggle__button {
  border: 0;
  background: transparent;
  color: var(--text-soft);
  padding: 11px 14px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
}

.mode-toggle__button.is-active {
  background: rgba(56, 189, 248, 0.12);
  color: var(--text);
}

.demo-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
}

.demo-result {
  padding: 18px 22px 22px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.demo-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.demo-row-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.bit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bit {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.bit--pos {
  color: var(--blue);
  background: rgba(56, 189, 248, 0.12);
}

.bit--neg {
  color: var(--red);
  background: rgba(248, 113, 113, 0.12);
}

.bit--warn {
  color: var(--amber);
  background: rgba(251, 191, 36, 0.14);
}

.latent-bar {
  min-height: 92px;
}

.latent-col {
  width: 20px;
  transition: height 180ms ease, background 180ms ease;
}

.demo-inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  font-size: 0.92rem;
}

.demo-inline-list .panel__mono {
  font-size: 0.75rem;
}

.match-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 14px;
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 800;
}

.match-badge--ok {
  color: var(--green);
  background: rgba(74, 222, 128, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.18);
}

.match-badge--fail {
  color: var(--red);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.18);
}

.inspect-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(148, 163, 184, 0.08);
  width: fit-content;
}

.inspect-tab {
  border: 0;
  background: transparent;
  padding: 11px 16px;
  border-radius: 14px;
  color: var(--text-soft);
  font-weight: 700;
  cursor: pointer;
}

.inspect-tab.is-active {
  background: rgba(56, 189, 248, 0.12);
  color: var(--text);
}

.inspect-panels {
  min-height: 0;
  display: grid;
}

.inspect-panel {
  min-height: 0;
}

.scroll-region {
  overflow: auto;
  overscroll-behavior: contain;
}

.inspect-scroll {
  max-height: min(60dvh, 720px);
  padding-right: 6px;
}

.inspect-scroll--center {
  display: grid;
  align-content: start;
}

.heatmap-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: 16px;
}

.heatmap-card,
.histogram-card,
.similarity-card {
  display: grid;
  gap: 14px;
}

.heatmap-card canvas,
.histogram-card canvas,
.similarity-card canvas {
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: rgba(4, 8, 18, 0.55);
}

.neuron-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}

.neuron-card {
  padding: 12px;
  border-radius: 18px;
  background: rgba(11, 17, 34, 0.74);
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.neuron-card canvas {
  width: 100%;
  height: 82px;
  border-radius: 12px;
  background: rgba(3, 7, 16, 0.72);
}

.neuron-label {
  margin-top: 8px;
  font-size: 0.72rem;
  font-family: var(--mono);
  color: var(--text-muted);
}

.similarity-card {
  justify-items: center;
}

.similarity-card__copy {
  width: 100%;
}

.mobile-nav {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 45;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 22px;
  background: rgba(8, 12, 26, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.mobile-nav__button,
.mobile-nav__label,
.mobile-sheet__close {
  border: 0;
  background: transparent;
  color: var(--text);
}

.mobile-nav__button {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.08);
}

.mobile-nav__label {
  flex: 1;
  display: grid;
  text-align: center;
  gap: 2px;
}

.mobile-nav__label span:first-child {
  font-size: 0.86rem;
  font-weight: 700;
}

.mobile-nav__label span:last-child {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.mobile-sheet[hidden] {
  display: none;
}

.mobile-sheet {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.mobile-sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
}

.mobile-sheet__panel {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  border-radius: 28px;
  background: rgba(10, 14, 28, 0.98);
  border: 1px solid rgba(148, 163, 184, 0.12);
  padding: 18px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
}

.mobile-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.mobile-sheet__close {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.08);
  font-size: 1.2rem;
}

.mobile-sheet__list {
  display: grid;
  gap: 8px;
}

.mobile-sheet__item {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  padding: 14px 16px;
  border-radius: 16px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.mobile-sheet__item.is-active {
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.1);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 999px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 1240px) {
  .metric-grid--results {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .results-grid,
  .breakthrough-bottom,
  .split-layout,
  .split-layout--demo,
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    align-content: center;
  }

  .architecture-row--top {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .topnav,
  .topnav-divider,
  .site-nav-links,
  .progress-rail {
    display: none;
  }

  .mobile-nav {
    display: flex;
  }

  .slide {
    padding-right: var(--slide-pad-x);
    padding-bottom: calc(var(--mobilebar-h) + 20px + env(safe-area-inset-bottom, 0px));
  }

  .brand-meta {
    display: none;
  }

  .metric-grid--hero {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .architecture-row--top,
  .architecture-row--mirror,
  .comparison-grid,
  .steps-grid,
  .heatmap-row {
    grid-template-columns: 1fr;
  }

  .arch-link::after,
  .arch-link--mirror::after {
    content: "↓";
    right: auto;
    left: 50%;
    bottom: -16px;
    top: auto;
    transform: translateX(-50%);
  }

  .architecture-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .slide {
    padding-top: calc(var(--topbar-h) + 18px);
  }

  h1 {
    max-width: none;
    font-size: clamp(2.6rem, 11vw, 4rem);
  }

  h2 {
    max-width: none;
    font-size: clamp(1.9rem, 8vw, 3rem);
  }

  .hero-visual__stage {
    grid-template-columns: 1fr;
  }

  .hero-visual__arrow {
    transform: rotate(90deg);
  }

  .metric-grid--results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .demo-row-label {
    margin-bottom: -4px;
  }

  .inspect-tabs {
    width: 100%;
    justify-content: space-between;
  }

  .inspect-tab {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide,
  .progress-dot,
  .mode-toggle__button,
  .topnav a,
  .latent-mini__bar,
  .latent-col {
    transition: none !important;
  }
}