/* ============================================================
   Jarvis project page (light theme, dark demo theater)

   Structure follows the EvoAudio page: a white canvas, one max-width
   container, rounded resource buttons, figure captions and a quiet footer.
   The base ramp is the Tencent Hunyuan blue that EvoAudio uses; the accents
   are the report's own palette (sections/macros.tex), so an operation tag
   reads the same here as in the PDF: teal NEW, blue REFINE, plum SAVE,
   coral CANCEL, amber for a question back to the user.
   ============================================================ */

:root {
  color-scheme: light;

  --brand-blue: #0b57d0;
  --brand-blue-hover: #0943a8;
  --brand-cyan: #00a9e0;
  --brand-pale: #cfe0fb;
  --brand-deep: #0a2e6e;
  --brand-violet: #7c5cbf;

  --j-blue: #174ea6;
  --j-blue-mid: #3b7ddd;
  --j-blue-soft: #d6e4fa;
  --j-blue-tint: #eef4fd;
  --j-teal: #14998a;
  --j-teal-soft: #d3f0ec;
  --j-amber: #e39b2d;
  --j-amber-soft: #fbebd2;
  --j-coral: #d9534f;
  --j-coral-soft: #f8dcdb;
  --j-plum: #7c5cbf;
  --j-plum-soft: #e9e2f6;
  --j-slate: #64748b;
  --j-slate-soft: #e2e8f0;

  --op-new: var(--j-teal);
  --op-refine: var(--j-blue-mid);
  --op-save: var(--j-plum);
  --op-cancel: var(--j-coral);
  --op-ask: var(--j-amber);

  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --bg-card: #ffffff;
  --bg-elev: #eef3fb;
  --bg-hover: #e4edfb;

  --rule: rgba(10, 46, 110, 0.12);
  --rule-strong: rgba(10, 46, 110, 0.28);

  --ink: #16233d;
  --ink-soft: rgba(22, 35, 61, 0.76);
  --ink-faint: rgba(22, 35, 61, 0.54);

  --link: var(--brand-blue);
  --link-hover: var(--brand-blue-hover);

  /* The demo theater is the one dark band on the page. */
  --night: #0a1020;
  --night-2: #0f1a33;
  --night-card: rgba(255, 255, 255, 0.045);
  --night-card-hover: rgba(255, 255, 255, 0.08);
  --night-rule: rgba(255, 255, 255, 0.1);
  --night-ink: #eef3ff;
  --night-soft: rgba(238, 243, 255, 0.74);
  --night-faint: rgba(238, 243, 255, 0.5);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --container: 1200px;
  --container-wide: 1340px;

  --fs-h2: clamp(1.6rem, 2.6vw, 2.15rem);
  --fs-h3: 1.3rem;
  --fs-lede: 1.02rem;

  --font-display: "Google Sans", "Noto Sans", system-ui, sans-serif;
  --font-body: "Noto Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, Menlo, monospace;

  --grad-brand: linear-gradient(100deg, #0b57d0 0%, #3b7ddd 46%, #7c5cbf 100%);
  --shadow-card: 0 14px 40px rgba(10, 46, 110, 0.1);
  --shadow-soft: 0 2px 14px rgba(10, 46, 110, 0.06);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 120ms ease;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #fff;
  color: #000;
  padding: 0.5em 1em;
  z-index: 1000;
}
.skip-link:focus {
  top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ============ Layout ============= */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  max-width: var(--container);
}
.container--wide {
  max-width: var(--container-wide);
}

.section {
  position: relative;
  padding: 5rem 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 56px;
}
.section--soft {
  background: var(--bg-soft);
}
.has-text-centered {
  text-align: center;
}

/* ============ Type scale ============= */
.title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
}
.section-head {
  text-align: center;
  margin: 0 auto 2.5rem;
  max-width: 82ch;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 1.6em;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.012em;
  margin: 0 0 0.85rem;
  color: var(--ink);
}
.section-lede {
  color: var(--ink-soft);
  font-size: var(--fs-lede);
  line-height: 1.7;
  max-width: 80ch;
  margin: 0 auto;
}
/* Uppercased labels would turn the Greek tau of tau-Voice into a capital that
   reads as a Latin T. */
.nocaps {
  text-transform: none;
}
.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.content {
  color: var(--ink-soft);
  font-size: var(--fs-lede);
  line-height: 1.75;
}
.content p {
  margin: 0 0 1rem;
}
.content strong {
  color: var(--ink);
}

/* ============ Top navigation ============= */
.topnav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--rule);
  transform: translateY(-105%);
  transition: transform 260ms var(--ease-out), background 200ms ease, border-color 200ms ease;
}
.topnav.is-shown {
  transform: none;
}
/* Over the dark theater the bar turns dark too, rather than a white slab. */
.topnav.is-dark {
  background: rgba(10, 16, 32, 0.82);
  border-bottom-color: var(--night-rule);
}
.topnav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 54px;
}
.topnav__brand {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ink);
}
.topnav__brand:hover {
  text-decoration: none;
  color: var(--ink);
}
.topnav__brand img {
  width: 24px;
  height: 24px;
}
.topnav.is-dark .topnav__brand {
  color: var(--night-ink);
}
.topnav__links {
  display: flex;
  gap: 0.2rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.topnav__links::-webkit-scrollbar {
  display: none;
}
.topnav__links a {
  flex: 0 0 auto;
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background 140ms ease, color 140ms ease;
}
.topnav__links a:hover {
  text-decoration: none;
  color: var(--ink);
  background: var(--bg-hover);
}
.topnav__links a[aria-current="true"] {
  color: #fff;
  background: var(--brand-blue);
}
.topnav.is-dark .topnav__links a {
  color: var(--night-soft);
}
.topnav.is-dark .topnav__links a:hover {
  color: var(--night-ink);
  background: var(--night-card-hover);
}
.topnav.is-dark .topnav__links a[aria-current="true"] {
  color: var(--night);
  background: var(--night-ink);
}

/* ============ Hero ============= */
.hero {
  position: relative;
  overflow: hidden;
  padding: 2.6rem 0 3.4rem;
  background:
    radial-gradient(60rem 26rem at 50% -6rem, rgba(59, 125, 221, 0.13), transparent 70%),
    radial-gradient(34rem 20rem at 78% 22%, rgba(124, 92, 191, 0.1), transparent 70%),
    radial-gradient(30rem 18rem at 18% 30%, rgba(0, 169, 224, 0.08), transparent 70%),
    var(--bg);
}
.hero__waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 150px;
  width: 200%;
  max-width: none;
  pointer-events: none;
  opacity: 0.9;
}
.hero__waves path {
  fill: none;
  stroke-linecap: round;
}
/* Two waves, one per brain: a quick small one for talk, a slow broad one
   for work. Each path holds two periods across a 200% wide box, so sliding
   it left by half loops seamlessly. */
.wave--fast {
  stroke: rgba(11, 87, 208, 0.22);
  stroke-width: 1.6;
  animation: wave-drift 7s linear infinite;
}
.wave--slow {
  stroke: rgba(124, 92, 191, 0.2);
  stroke-width: 2.4;
  animation: wave-drift 26s linear infinite;
}
.wave--slow-2 {
  stroke: rgba(20, 153, 138, 0.14);
  stroke-width: 1.4;
  animation: wave-drift 40s linear infinite reverse;
}
@keyframes wave-drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.hero__inner {
  position: relative;
  text-align: center;
}
.hero__art {
  position: relative;
  width: min(660px, 100%);
  margin: 0 auto 1.5rem;
}

/* The hero scene: the voice orb on the left, the Task Ledger it hands work to
   on the right. js/hero.js flies the operation tokens and updates the rows. */
.scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: center;
  gap: 1.6rem;
  text-align: left;
}
.scene__voice {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.orb {
  width: 228px;
  height: 228px;
  overflow: visible;
  animation: scene-float 7s ease-in-out infinite;
}
@keyframes scene-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
.orb__glow {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0.85;
  transition: opacity 600ms ease, transform 600ms var(--ease-out);
}
.orb__ripples {
  opacity: 0.55;
  transition: opacity 600ms ease;
}
.orb__ripples circle {
  stroke: rgba(79, 134, 234, 0.55);
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  animation: orb-ripple 4.8s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}
.orb__ripples circle:nth-child(2) {
  animation-delay: -1.6s;
}
.orb__ripples circle:nth-child(3) {
  animation-delay: -3.2s;
}
@keyframes orb-ripple {
  from {
    transform: scale(1);
    opacity: 0.8;
  }
  to {
    transform: scale(1.8);
    opacity: 0;
  }
}
/* A small wave while listening, a full one while speaking. */
.orb__wave {
  transform-box: view-box;
  transform-origin: 120px 120px;
  transform: scaleY(0.55);
  transition: transform 600ms var(--ease-out);
}
.orb__wave rect {
  transform-box: fill-box;
  transform-origin: center;
  animation: orb-bar var(--t, 1s) ease-in-out var(--d, 0s) infinite alternate;
}
@keyframes orb-bar {
  from {
    transform: scaleY(0.3);
  }
  to {
    transform: scaleY(1);
  }
}
.scene.is-speaking .orb__wave {
  transform: scaleY(1.05);
}
.scene.is-speaking .orb__glow {
  opacity: 1;
  transform: scale(1.06);
}
.scene.is-speaking .orb__ripples {
  opacity: 1;
}

.scene__said {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: 100%;
  margin: -1.9rem 0 0;
  padding: 0.4rem 0.9rem 0.4rem 0.42rem;
  border-radius: 9999px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 30px -16px rgba(31, 95, 209, 0.5);
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--ink);
  white-space: nowrap;
  transition: opacity 220ms ease, transform 220ms ease;
}
.scene__said b {
  flex: 0 0 auto;
  padding: 0.32em 0.65em;
  border-radius: 9999px;
  background: #eef2f8;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 300ms ease, color 300ms ease;
}
.scene__said[data-who="Jarvis"] b {
  background: var(--grad-brand);
  color: #fff;
}
.scene__said span {
  font-style: italic;
}

.scene__ledger {
  padding: 0.8rem 0.8rem 0.75rem;
  border-radius: 18px;
  border: 1px solid rgba(10, 46, 110, 0.09);
  background: rgba(255, 255, 255, 0.82);
  box-shadow:
    0 30px 70px -34px rgba(31, 95, 209, 0.5),
    0 2px 12px rgba(10, 46, 110, 0.06);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  backdrop-filter: blur(10px) saturate(1.3);
}
.scene__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0.25rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.scene__live {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  color: var(--j-teal);
  letter-spacing: 0.1em;
}
.scene__live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: live-dot 2s ease-out infinite;
}
@keyframes live-dot {
  from {
    box-shadow: 0 0 0 0 rgba(20, 153, 138, 0.45);
  }
  to {
    box-shadow: 0 0 0 7px rgba(20, 153, 138, 0);
  }
}
.scene__rows {
  display: grid;
  gap: 0.38rem;
  margin: 0;
  padding: 0;
  list-style: none;
  transition: opacity 400ms ease;
}
.srow {
  --c: #3b7ddd;
  --halo: rgba(59, 125, 221, 0.18);
  --chip: #e3edfd;
  --chip-ink: #1f5fd1;
  --bar: var(--grad-brand);
  position: relative;
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  column-gap: 0.6rem;
  align-items: center;
  padding: 0.46rem 0.6rem 0.62rem;
  border-radius: 11px;
  background: #f5f7fc;
  transition: opacity 500ms ease;
}
.srow[data-status="completed"] {
  --c: #14998a;
  --halo: rgba(20, 153, 138, 0.18);
  --chip: #dff3ef;
  --chip-ink: #0b6b60;
  --bar: #14998a;
}
.srow[data-status="delivered"] {
  --c: #14998a;
  --halo: rgba(20, 153, 138, 0.18);
  --chip: #14998a;
  --chip-ink: #fff;
  --bar: #14998a;
}
.srow[data-status="cancelled"] {
  --c: #d9534f;
  --halo: rgba(217, 83, 79, 0.16);
  --chip: #fbe6e5;
  --chip-ink: #b23a35;
  --bar: #c3ccd9;
  opacity: 0.72;
}
.srow__dot {
  grid-row: 1 / 3;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 0 3px var(--halo);
  transition: background 400ms ease, box-shadow 400ms ease;
}
.srow__name {
  position: relative;
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  transition: color 400ms ease;
}
.srow__name::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  top: 55%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 500ms var(--ease-out);
}
.srow[data-status="cancelled"] .srow__name {
  color: var(--ink-faint);
}
.srow[data-status="cancelled"] .srow__name::after {
  transform: scaleX(1);
}
.srow__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.35;
  color: var(--ink-faint);
  transition: opacity 180ms ease, transform 180ms ease;
}
.srow__state {
  grid-column: 3;
  grid-row: 1 / 3;
  padding: 0.32em 0.62em;
  border-radius: 9999px;
  background: var(--chip);
  color: var(--chip-ink);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 400ms ease, color 400ms ease, opacity 180ms ease, transform 180ms ease;
}
.srow__bar {
  position: absolute;
  left: 1.98rem;
  right: 0.6rem;
  bottom: 0.3rem;
  height: 3px;
  border-radius: 2px;
  background: rgba(10, 46, 110, 0.07);
  overflow: hidden;
}
.srow__bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--bar);
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  transition: transform var(--d, 0.6s) linear;
}
.srow.is-flash {
  animation: srow-flash 1.3s ease-out;
}
.srow[data-flash="refine"] {
  --flash: rgba(59, 125, 221, 0.2);
  --ring: rgba(59, 125, 221, 0.55);
}
.srow[data-flash="cancel"] {
  --flash: rgba(217, 83, 79, 0.16);
  --ring: rgba(217, 83, 79, 0.5);
}
.srow[data-flash="deliver"] {
  --flash: rgba(20, 153, 138, 0.18);
  --ring: rgba(20, 153, 138, 0.5);
}
@keyframes srow-flash {
  from {
    background: var(--flash);
    box-shadow: 0 0 0 1.5px var(--ring);
  }
  to {
    background: #f5f7fc;
    box-shadow: 0 0 0 1.5px transparent;
  }
}
.scene__memory {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.5rem 0 0;
  padding: 0.42rem 0.6rem;
  border-radius: 11px;
  border: 1px dashed rgba(124, 92, 191, 0.38);
  transition: opacity 400ms ease;
}
.scene__memory i {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--j-plum);
  box-shadow: 0 0 0 3px rgba(124, 92, 191, 0.16);
}
.scene__memory span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--j-plum);
}
.scene__memory b {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: opacity 180ms ease, transform 180ms ease;
}
.scene__memory.is-flash {
  animation: memory-flash 1.3s ease-out;
}
@keyframes memory-flash {
  from {
    background: rgba(124, 92, 191, 0.16);
    border-color: rgba(124, 92, 191, 0.75);
  }
}
/* Text that changes in place fades out and back in. */
.scene .is-swap {
  opacity: 0;
  transform: translateY(3px);
}
.scene__token {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 10px 24px -6px rgba(10, 46, 110, 0.35);
  will-change: transform, opacity;
}
.scene__token.scene__token.optag--heard {
  background: #fff;
  color: #0b6b60;
  box-shadow:
    inset 0 0 0 1px rgba(20, 153, 138, 0.5),
    0 10px 24px -6px rgba(10, 46, 110, 0.3);
}
.scene__echo {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--j-teal);
  box-shadow:
    0 0 0 4px rgba(20, 153, 138, 0.2),
    0 0 16px 3px rgba(20, 153, 138, 0.55);
  opacity: 0;
  pointer-events: none;
}
.scene.is-resetting .scene__rows,
.scene.is-resetting .scene__memory,
.scene.is-resetting .scene__said {
  opacity: 0.12;
}
.scene.is-paused,
.scene.is-paused * {
  animation-play-state: paused !important;
}

.publication-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.1vw, 3.05rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.018em;
  margin: 0 auto;
  max-width: 24ch;
  color: var(--ink);
}
.publication-title__brand {
  white-space: nowrap;
}
@supports (-webkit-background-clip: text) or (background-clip: text) {
  .publication-title__brand {
    background-image: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.publication-subtitle {
  margin: 1.1rem auto 0;
  max-width: 64ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.publication-links {
  margin: 1.6rem 0 0.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  height: 2.65em;
  padding: 0 1.2em;
  border: 1px solid var(--rule-strong);
  border-radius: 9999px;
  background: #f2f6fa;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.96rem;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}
.button:hover {
  background: var(--bg-hover);
  border-color: rgba(10, 46, 110, 0.45);
  text-decoration: none;
  color: var(--ink);
}
.button.is-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: #f6f8fa;
  color: var(--ink-soft);
  border-color: rgba(10, 46, 110, 0.15);
}
.button--primary {
  border: 0;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 10px 24px rgba(11, 87, 208, 0.28);
}
.button--primary:hover {
  color: #fff;
  background: var(--grad-brand);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(11, 87, 208, 0.34);
}
.button .icon {
  display: inline-flex;
  align-items: center;
}

/* ============ Affiliations ============= */
.affiliation-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin: 2.1rem 0 0;
}
.affiliation-row img {
  width: auto;
  opacity: 0.95;
}
/* Heights are set per mark: each logo has a different amount of padding
   baked into its artwork, so one shared max-height leaves them mismatched. */
.affiliation-row img[data-logo="cuhksz"] {
  max-height: 46px;
}
.affiliation-row img[data-logo="hunyuan"] {
  max-height: 31px;
}

/* ============ Demo theater ============= */
.theater-section {
  position: relative;
  overflow: hidden;
  padding: 4.6rem 0 5rem;
  color: var(--night-ink);
  background: linear-gradient(180deg, #0a1020 0%, #0d1730 52%, #0a1020 100%);
  scroll-margin-top: 0;
}
.theater-section__glow {
  position: absolute;
  inset: -12rem 0 auto;
  height: 46rem;
  pointer-events: none;
  background:
    radial-gradient(42rem 22rem at 26% 30%, rgba(59, 125, 221, 0.32), transparent 70%),
    radial-gradient(38rem 20rem at 78% 38%, rgba(124, 92, 191, 0.28), transparent 70%);
}
.section-head--night {
  position: relative;
}
.section-head--night .eyebrow {
  color: #8fb6ff;
}
.section-head--night .section-title {
  color: #fff;
}
.section-head--night .section-lede {
  color: var(--night-soft);
}
.section-head--night .section-lede strong {
  color: #fff;
}

.theater {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 372px;
  gap: 1.6rem;
  align-items: start;
}
.theater__main {
  min-width: 0;
}

.stage {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 18px;
  overflow: hidden;
  scroll-margin: 72px 0 16px;
  background: #000;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.09),
    0 30px 90px -18px rgba(59, 125, 221, 0.55),
    0 18px 50px rgba(0, 0, 0, 0.5);
  transition: box-shadow 400ms ease;
}
.stage[data-group="omni"] {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.09),
    0 30px 90px -18px rgba(124, 92, 191, 0.6),
    0 18px 50px rgba(0, 0, 0, 0.5);
}
.stage__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
/* Cues are only drawn by the browser in fullscreen; elsewhere the caption
   bar under the stage carries them. ::cue takes literal values only. */
.stage__video::cue {
  background: rgba(8, 12, 24, 0.72);
  color: #fff;
  font-family: "Google Sans", "Noto Sans", system-ui, sans-serif;
  font-size: 0.72em;
  line-height: 1.4;
}

/* Tall enough for two lines, the longest cue at this width, so the content
   below does not jump as cues change. */
.captionbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4.8rem;
  margin-top: 0.85rem;
  padding: 0.7rem 0.75rem 0.7rem 1.05rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--night-rule);
}
.captionbar__line {
  flex: 1 1 auto;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  min-width: 0;
}
.captionbar__who {
  flex: 0 0 auto;
  padding: 0.36em 0.7em;
  border-radius: 9999px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(-1px);
}
.captionbar__who:empty {
  display: none;
}
.captionbar__who[data-who="Jarvis"] {
  background: var(--grad-brand);
  color: #fff;
}
.captionbar__who[data-who="User"] {
  background: rgba(255, 255, 255, 0.14);
  color: var(--night-ink);
}
.captionbar__text {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 500;
  line-height: 1.5;
  color: #fff;
  transition: color 200ms ease;
}
.captionbar:not(.has-cue) .captionbar__text {
  color: var(--night-faint);
  font-weight: 400;
}
.captionbar:not(.has-cue) .captionbar__who {
  opacity: 0.55;
}
.captionbar__toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border-radius: 9999px;
  border: 1px solid var(--night-rule);
  background: rgba(255, 255, 255, 0.07);
  color: var(--night-soft);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 140ms ease, color 140ms ease;
}
.captionbar__toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.captionbar__toggle[aria-pressed="true"] {
  color: #fff;
  border-color: rgba(143, 182, 255, 0.45);
  background: rgba(59, 125, 221, 0.22);
}
.captionbar__note {
  margin: 0;
  color: var(--night-faint);
  font-size: 0.9rem;
}

.stage-info {
  margin-top: 1.35rem;
}
.stage-info__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem 1rem;
  flex-wrap: wrap;
}
.stage-info__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.42em 0.78em;
  border-radius: 9999px;
  border: 1px solid var(--night-rule);
  background: rgba(255, 255, 255, 0.06);
  color: var(--night-soft);
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}
.badge--audio {
  color: #d3e3ff;
  background: rgba(59, 125, 221, 0.24);
  border-color: rgba(96, 150, 240, 0.55);
}
.badge--omni {
  color: #e6dcff;
  background: rgba(124, 92, 191, 0.28);
  border-color: rgba(160, 130, 240, 0.55);
}
.badge--mono {
  font-family: var(--font-mono);
  font-weight: 500;
}
.stage-info__nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.stage-info__count {
  margin-right: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--night-faint);
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--night-rule);
  background: rgba(255, 255, 255, 0.07);
  color: var(--night-ink);
  transition: background 140ms ease;
}
.nav-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
}
.nav-btn:disabled {
  opacity: 0.32;
  cursor: default;
}
.stage-info__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  margin-top: 1.1rem;
}
.stage-info__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.1vw, 1.65rem);
  font-weight: 700;
  line-height: 1.22;
  color: #fff;
}
.stage-info__summary {
  margin: 0 0 1.35rem;
  color: var(--night-soft);
  font-size: 0.97rem;
  line-height: 1.72;
}
.stage-info__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fb6ff;
}
.watchlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.watchlist li {
  position: relative;
  padding-left: 1.45rem;
  color: var(--night-soft);
  font-size: 0.92rem;
  line-height: 1.62;
}
.watchlist li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.6em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 3px rgba(59, 125, 221, 0.2);
}
.chapters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.34rem;
}
.chapter {
  width: 100%;
  display: grid;
  grid-template-columns: 3.3rem minmax(0, 1fr);
  column-gap: 0.55rem;
  align-items: center;
  padding: 0.55rem 0.75rem 0.5rem;
  border-radius: 10px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.04);
  color: var(--night-soft);
  text-align: left;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}
.chapter:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.chapter.is-active {
  background: rgba(59, 125, 221, 0.16);
  border-color: rgba(120, 160, 255, 0.36);
  color: #fff;
}
.chapter__time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: #8fb6ff;
}
.chapter__label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
}
.chapter__bar {
  grid-column: 1 / -1;
  height: 2px;
  margin-top: 0.45rem;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}
.chapter__bar span {
  display: block;
  height: 100%;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 260ms linear;
}

.playlist {
  position: sticky;
  top: 70px;
  display: grid;
  gap: 1rem;
}
.playlist__group {
  padding: 0.9rem 0.7rem 0.7rem;
  border-radius: 16px;
  border: 1px solid var(--night-rule);
  background: rgba(255, 255, 255, 0.035);
}
.playlist__head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.35rem;
}
.playlist__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.playlist__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--night-faint);
}
.group-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
}
.group-dot--audio {
  background: #4d8bf0;
  box-shadow: 0 0 0 4px rgba(59, 125, 221, 0.24);
}
.group-dot--omni {
  background: #9b7cf0;
  box-shadow: 0 0 0 4px rgba(124, 92, 191, 0.28);
}
.playlist__blurb {
  margin: 0.25rem 0.35rem 0.7rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--night-faint);
}
.playlist__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.pl-item {
  width: 100%;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.42rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  text-align: left;
  transition: background 150ms ease, border-color 150ms ease;
}
.pl-item:hover {
  background: rgba(255, 255, 255, 0.06);
}
.pl-item.is-active {
  background: rgba(59, 125, 221, 0.17);
  border-color: rgba(120, 160, 255, 0.42);
}
.playlist__group[data-group="omni"] .pl-item.is-active {
  background: rgba(124, 92, 191, 0.22);
  border-color: rgba(170, 140, 255, 0.48);
}
.pl-item__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}
.pl-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease-out);
}
.pl-item:hover .pl-item__thumb img {
  transform: scale(1.06);
}
.pl-item__dur {
  position: absolute;
  right: 4px;
  bottom: 4px;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.74);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
}
.pl-item__eq {
  position: absolute;
  left: 6px;
  bottom: 6px;
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  padding: 2px 3px;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.55);
}
.pl-item.is-active .pl-item__eq {
  display: flex;
}
.pl-item__eq i {
  width: 3px;
  height: 45%;
  border-radius: 1px;
  background: #fff;
}
.pl-item.is-playing .pl-item__eq i {
  animation: eq-bounce 900ms ease-in-out infinite;
}
.pl-item__eq i:nth-child(2) {
  animation-delay: -300ms;
}
.pl-item__eq i:nth-child(3) {
  animation-delay: -600ms;
}
@keyframes eq-bounce {
  0%,
  100% {
    height: 30%;
  }
  50% {
    height: 100%;
  }
}
.pl-item__body {
  min-width: 0;
}
.pl-item__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--night-faint);
}
.pl-item__title {
  display: block;
  margin: 0.15rem 0 0.2rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  color: #fff;
}
.pl-item__tag {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.75rem;
  line-height: 1.42;
  color: var(--night-faint);
}

.upnext {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  background: rgba(5, 9, 20, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.upnext[hidden] {
  display: none;
}
.upnext__card {
  width: min(470px, 90%);
  padding: 1.2rem 1.3rem 1.25rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 24, 48, 0.94);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.upnext__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fb6ff;
}
.upnext__body {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
}
.upnext__body img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
}
.upnext__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}
.upnext__tag {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--night-soft);
}
.upnext__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
.upnext__primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.05rem 0.4rem 0.45rem;
  border-radius: 9999px;
  border: 0;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}
.upnext__ghost {
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: var(--night-soft);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
}
.upnext__ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.upnext__ring-bg,
.upnext__ring-fg {
  fill: none;
  stroke-width: 3;
}
.upnext__ring-bg {
  stroke: rgba(255, 255, 255, 0.28);
}
.upnext__ring-fg {
  stroke: #fff;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

.noscript-list {
  color: var(--night-soft);
}
.noscript-list a {
  color: #8fb6ff;
}

@media (max-width: 1120px) {
  .theater {
    grid-template-columns: minmax(0, 1fr);
  }
  /* Children of the main column join the grid so the playlist can sit right
     under the stage instead of after the long description. */
  .theater__main {
    display: contents;
  }
  .stage {
    order: 1;
  }
  .captionbar {
    order: 2;
    margin-top: -0.75rem;
  }
  .playlist {
    order: 3;
    position: static;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .stage-info {
    order: 4;
    margin-top: 0;
  }
}
@media (max-width: 760px) {
  .theater-section {
    padding: 3.4rem 0 3.8rem;
  }
  .playlist {
    grid-template-columns: minmax(0, 1fr);
  }
  .playlist__items {
    grid-auto-flow: column;
    grid-auto-columns: 72%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.35rem;
    scrollbar-width: thin;
  }
  .playlist__items li {
    scroll-snap-align: start;
  }
  .pl-item {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .stage-info__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.4rem;
  }
  /* Speaker and toggle share a row so the cue gets the full width, and three
     lines are reserved for it. */
  .captionbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "who toggle"
      "text text";
    align-items: center;
    gap: 0.55rem 0.75rem;
    min-height: 0;
    padding: 0.65rem 0.7rem 0.8rem 0.95rem;
  }
  .captionbar__line {
    display: contents;
  }
  .captionbar__who {
    grid-area: who;
    justify-self: start;
  }
  .captionbar__toggle {
    grid-area: toggle;
  }
  .captionbar__text {
    grid-area: text;
    align-self: start;
    min-height: 4.5em;
    font-size: 0.98rem;
  }
  .upnext__body {
    grid-template-columns: 1fr;
  }
  .upnext__body img {
    display: none;
  }
}

/* ============ Figures ============= */
.figure {
  margin: 2.5rem auto 0;
}
.figure figcaption {
  margin: 1rem auto 0;
  color: var(--ink-faint);
  font-size: 0.86rem;
  line-height: 1.6;
  max-width: 96ch;
  text-align: center;
}
.figure figcaption strong {
  color: var(--ink-soft);
}

/* ============ Operation tags (shared) ============= */
.optag {
  display: inline-flex;
  align-items: center;
  padding: 0.22em 0.6em;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  white-space: nowrap;
}
.optag--new {
  background: var(--op-new);
}
.optag--refine {
  background: var(--op-refine);
}
.optag--save {
  background: var(--op-save);
}
.optag--cancel {
  background: var(--op-cancel);
}

/* ============ Headline numbers ============= */
.highlights {
  padding: 3.8rem 0 4rem;
  border-top: 0;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg) 80%);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.stat {
  position: relative;
  overflow: hidden;
  padding: 1.35rem 1.4rem 1.3rem;
  border-radius: 18px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}
.stat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--grad-brand);
}
.stat__kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.stat__value {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat__value span {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__value small {
  margin: 0 0.06em;
  font-size: 0.46em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink-faint);
}
.stat__label {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}
.stat__bars {
  display: grid;
  gap: 0.3rem;
  margin-top: 0.95rem;
}
.stat__bar {
  position: relative;
  display: flex;
  align-items: center;
  height: 19px;
  border-radius: 6px;
  background: var(--bg-elev);
  overflow: hidden;
}
.stat__bar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  border-radius: 6px;
  background: var(--grad-brand);
  transform-origin: left center;
  transition: transform 1.3s var(--ease-out) 0.25s;
}
.stat__bar--base::before {
  background: #c3ccd9;
}
.js .stat:not(.is-visible) .stat__bar::before {
  transform: scaleX(0);
}
.stat__bar i {
  position: relative;
  z-index: 1;
  padding-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  color: #fff;
}
.stat__bar--base i {
  color: var(--ink);
}

/* ============ Overview ============= */
.abstract-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 2.6rem;
  align-items: start;
}
.abstract p {
  text-align: justify;
  hyphens: auto;
}
.motto {
  position: sticky;
  top: 80px;
  padding: 1.7rem 1.6rem 1.5rem;
  border-radius: 22px;
  color: var(--night-ink);
  background: linear-gradient(160deg, #0b1630 0%, #142450 58%, #2b1f57 100%);
  box-shadow: 0 26px 60px -22px rgba(10, 46, 110, 0.55);
}
.motto__kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8fb6ff;
}
.motto__line {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: #fff;
}
.motto .text-gradient {
  background-image: linear-gradient(100deg, #7fb0ff, #c3a8ff);
}
.motto__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: step;
}
.motto__steps li {
  position: relative;
  padding-left: 2.15rem;
  font-size: 0.9rem;
  line-height: 1.58;
  color: var(--night-soft);
}
.motto__steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.05rem;
  display: grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}
.motto__steps b {
  color: #fff;
}
.motto code {
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #cfe0ff;
  font-family: var(--font-mono);
  font-size: 0.82em;
}

.problem {
  margin-top: 4.4rem;
}
.section-head--sub {
  margin-bottom: 2rem;
}
.section-title--sub {
  font-size: clamp(1.3rem, 2.1vw, 1.65rem);
}
.failure-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.failure {
  display: flex;
  flex-direction: column;
  padding: 1.3rem 1.3rem 1.15rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
  transition: transform 260ms var(--ease-out), box-shadow 260ms ease, opacity 700ms var(--ease-out);
}
.failure:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.failure__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  border-radius: 12px;
  background: var(--j-coral-soft);
  color: var(--j-coral);
}
.failure--omni .failure__icon {
  background: var(--j-plum-soft);
  color: var(--j-plum);
}
.failure__icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.failure h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
}
.failure p {
  flex: 1;
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.58;
}
.failure__fix {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.75rem;
  border-radius: 9999px;
  background: var(--j-teal-soft);
  color: #0b6b60;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
}
.failure__fix span {
  font-weight: 500;
  opacity: 0.75;
}
.failure__fix::after {
  content: "\2192";
}
.failure__fix:hover {
  text-decoration: none;
  background: #bfe9e3;
  color: #08574e;
}
.tag-omni {
  padding: 0.2em 0.5em;
  border-radius: 9999px;
  background: var(--j-plum-soft);
  color: var(--j-plum);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.problem__cause {
  margin: 1.9rem auto 0;
  max-width: 70ch;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

/* ============ How it works ============= */
.arch {
  margin-top: 0;
}
.arch__scroll,
.session__scroll {
  overflow-x: auto;
  padding: 0.5rem 0 0.25rem;
  scrollbar-width: thin;
}
.arch__svg {
  width: 100%;
  min-width: 880px;
  height: auto;
  font-family: var(--font-display);
}
.arch-group {
  stroke-width: 1.4;
  stroke-dasharray: 6 5;
}
.arch-group--fast {
  fill: rgba(227, 155, 45, 0.05);
  stroke: rgba(227, 155, 45, 0.75);
}
.arch-group--slow {
  fill: rgba(59, 125, 221, 0.04);
  stroke: rgba(59, 125, 221, 0.55);
}
.arch-tab text {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-anchor: middle;
}
.arch-tab--fast rect {
  fill: #fbebd2;
}
.arch-tab--fast text {
  fill: #a86a12;
}
.arch-tab--slow rect {
  fill: #d6e4fa;
}
.arch-tab--slow text {
  fill: #174ea6;
}
.arch-box rect {
  stroke-width: 1.3;
}
.arch-box--user rect {
  fill: #f1f4f9;
  stroke: #9aa5b4;
}
.arch-box--amber rect {
  fill: #fdf3e2;
  stroke: #e39b2d;
}
.arch-box--slate rect {
  fill: #f3f6fa;
  stroke: #a0aec0;
}
.arch-box--dashed rect {
  fill: #f8fafc;
  stroke: #94a3b8;
  stroke-dasharray: 5 4;
}
.arch-box--plum rect {
  fill: #f1ecfa;
  stroke: #7c5cbf;
}
.arch-box--teal rect {
  fill: #e5f5f2;
  stroke: #14998a;
}
.arch-box--coral rect {
  fill: #fbe9e8;
  stroke: #d9534f;
}
.arch-box--jev rect {
  fill: url(#jev-fill);
  stroke: none;
  filter: drop-shadow(0 8px 14px rgba(31, 95, 209, 0.35));
}
.arch-title {
  font-size: 16px;
  font-weight: 700;
  fill: #16233d;
}
.arch-title--sm {
  font-size: 14.5px;
}
.arch-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  fill: #5b6478;
}
.arch-box--jev .arch-title,
.arch-box--jev .arch-sub {
  fill: #fff;
}
.arch-arrows path {
  stroke: #5b6478;
  stroke-width: 1.5;
}
.arch-arrows .arch-arrow--dashed {
  stroke-dasharray: 5 4;
}
.arch-arrows .arch-arrow--coral {
  stroke: #c2413c;
}
.arch-labels text {
  font-size: 11px;
  fill: #5b6478;
}
.arch-labels .arch-label--strong {
  font-size: 10.5px;
  font-weight: 700;
  fill: #174ea6;
}
.arch-labels .arch-label--coral {
  fill: #b23a35;
}
.arch-pulses {
  opacity: 0;
  transition: opacity 600ms ease;
}
.arch.is-live .arch-pulses {
  opacity: 1;
}

.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.6rem;
}
.principle {
  padding: 1.3rem 1.25rem 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}
.principle__n {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25em 0.55em;
  border-radius: 6px;
  background: var(--j-blue-tint);
  color: var(--brand-blue);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
}
.principle h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}
.principle h3 em {
  font-style: normal;
  color: var(--brand-blue);
}
.principle p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.modules {
  margin-top: 3.2rem;
  padding: 1.6rem 1.7rem 1.9rem;
  border-radius: 24px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.modules__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.modules__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}
.modules__hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.modules__tabs {
  display: flex;
  gap: 0.35rem;
  padding: 0.3rem;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  overflow-x: auto;
  scrollbar-width: none;
}
.modules__tabs::-webkit-scrollbar {
  display: none;
}
.modules__tabs [role="tab"] {
  flex: 1 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.93rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 150ms ease, color 150ms ease, box-shadow 150ms ease;
}
.modules__tabs [role="tab"] span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.6;
}
.modules__tabs [role="tab"]:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.75);
}
.modules__tabs [role="tab"][aria-selected="true"] {
  color: var(--brand-blue);
  background: #fff;
  box-shadow: 0 2px 10px rgba(10, 46, 110, 0.13);
}
.module {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 2.3rem;
  align-items: center;
  padding-top: 1.7rem;
}
.module[hidden] {
  display: none;
}
.module.is-animated .module__visual {
  animation: module-in 520ms var(--ease-out);
}
@keyframes module-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.module__text h4 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}
.module__text p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}
.module__stats {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.module__stats li {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  background: var(--bg-soft);
}
.module__stats b {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-blue);
}
.module__stats span {
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.45;
}
.module__visual {
  min-width: 0;
}
.invariants {
  list-style: none;
  margin: 0 0 0.4rem;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}
.invariants li {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}
.invariants b {
  display: inline-block;
  min-width: 1.9rem;
  margin-right: 0.35rem;
  padding: 0.05em 0.35em;
  border-radius: 5px;
  background: var(--j-teal-soft);
  color: #0b6b60;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
}

/* gate policy plot */
.gate-plot {
  width: 100%;
  height: auto;
  font-family: var(--font-display);
}
.gp-band {
  opacity: 0.65;
}
.gp-band--silence {
  fill: #e2e8f0;
}
.gp-band--speaking {
  fill: #fbebd2;
}
.gp-band--done {
  fill: #d3f0ec;
}
text.gp-band-label {
  font-size: 11px;
  font-weight: 600;
  opacity: 1;
}
text.gp-band-label.gp-band--silence {
  fill: #64748b;
}
text.gp-band-label.gp-band--speaking {
  fill: #a86a12;
}
text.gp-band-label.gp-band--done {
  fill: #0b6b60;
}
.gp-axis,
.gp-tick {
  stroke: #9aa5b4;
  stroke-width: 1;
}
.gp-tick-label {
  font-size: 10.5px;
  fill: #64748b;
}
.gp-threshold {
  stroke: #d9534f;
  stroke-width: 1.2;
  stroke-dasharray: 5 4;
}
.gp-threshold-label {
  font-size: 10.5px;
  font-weight: 600;
  fill: #d9534f;
}
.gp-curve {
  fill: none;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}
.js .gate-plot:not(.is-drawn) .gp-curve {
  stroke-dashoffset: 1;
}
.gate-plot.is-drawn .gp-curve {
  transition: stroke-dashoffset 1.8s var(--ease-out);
}
.gp-curve--listen {
  stroke: #64748b;
}
.gp-curve--direct {
  stroke: #14998a;
}
.gp-curve--delegate {
  stroke: #0b57d0;
  stroke-width: 3;
}
.gp-curve-label {
  font-size: 11.5px;
  font-weight: 700;
}
.gp-curve-label--listen {
  fill: #64748b;
}
.gp-curve-label--direct {
  fill: #14998a;
}
.gp-curve-label--delegate {
  fill: #0b57d0;
}
.gp-fire__halo {
  fill: rgba(11, 87, 208, 0.2);
  transform-box: fill-box;
  transform-origin: center;
  animation: halo 1.8s ease-out infinite;
}
.gp-fire__dot {
  fill: #0b57d0;
}
.gp-fire__label {
  font-size: 11.5px;
  font-weight: 700;
  fill: #0b57d0;
}
.gp-fire__sub {
  font-size: 10.5px;
  fill: #3b5b8f;
}
.js .gate-plot:not(.is-drawn) .gp-fire {
  opacity: 0;
}
.gate-plot.is-drawn .gp-fire {
  opacity: 1;
  transition: opacity 500ms ease 1.3s;
}
.gp-quote {
  font-size: 12px;
  font-style: italic;
  fill: #475569;
}
@keyframes halo {
  0% {
    transform: scale(0.6);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.9);
    opacity: 0;
  }
}

/* JEV request */
.jev-demo {
  display: grid;
  gap: 0.8rem;
}
.jev-demo__req,
.jev-demo__ans {
  padding: 1rem 1.1rem;
  border-radius: 14px;
}
.jev-demo__req {
  background: var(--j-blue-tint);
  border: 1px solid rgba(59, 125, 221, 0.25);
}
.jev-demo__ans {
  background: #f3fbf9;
  border: 1px solid rgba(20, 153, 138, 0.28);
}
.jev-demo__label {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--j-blue);
}
.jev-demo__ans .jev-demo__label {
  color: #0b6b60;
}
.jev-demo dl {
  display: grid;
  grid-template-columns: 6.6rem minmax(0, 1fr);
  gap: 0.25rem 0.6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.jev-demo dt {
  color: var(--j-blue);
}
.jev-demo dd {
  margin: 0;
  color: var(--ink);
}
.jev-demo__type {
  padding: 0.05em 0.4em;
  border-radius: 4px;
  border: 1px solid rgba(59, 125, 221, 0.3);
  background: #fff;
  color: var(--j-blue);
  font-size: 0.9em;
}
.jev-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}
.jev-bars li {
  display: grid;
  grid-template-columns: 7.4rem minmax(0, 1fr) 6.5rem 2.4rem;
  align-items: center;
  gap: 0.6rem;
  padding: 0.28rem 0.45rem;
  border-radius: 8px;
  font-size: 0.78rem;
}
.jev-bars code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink);
}
.jev-bars__desc {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--ink-faint);
}
.jev-bars__track {
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  overflow: hidden;
}
.jev-bars__track span {
  display: block;
  width: calc(var(--p) * 100%);
  min-width: 2px;
  height: 100%;
  border-radius: 4px;
  background: #14998a;
  transform-origin: left center;
}
.module.is-animated .jev-bars__track span {
  animation: grow-x 1.1s var(--ease-out) both 120ms;
}
.jev-bars b {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.jev-bars li.is-pick {
  background: #fff;
  box-shadow: inset 0 0 0 1.5px #14998a;
}
.jev-bars li.is-pick code,
.jev-bars li.is-pick b {
  color: #0b6b60;
  font-weight: 700;
}
.jev-demo__note {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
}
@keyframes grow-x {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* ledger state machine */
.ledger-svg {
  width: 100%;
  height: auto;
  font-family: var(--font-display);
}
/* Kept in step with the report's Figure 6: each fill is its stroke colour at
   12% on white, each label that colour at 70% on black. */
.lg-arrows path {
  stroke: #797f87;
  stroke-width: 1.3;
}
.lg-arrows .lg-arrow--teal {
  stroke: #107a6e;
  stroke-width: 2;
}
.lg-arrows .lg-arrow--blue {
  stroke: #5d83c1;
  stroke-dasharray: 4 3;
}
.lg-arrows .lg-arrow--cancel {
  stroke: #e17572;
}
.lg-arrows .lg-arrow--coral {
  stroke: #d9534f;
  stroke-dasharray: 1.5 2;
}
.lg-labels text {
  font-size: 10px;
  fill: #4c545f;
}
.lg-labels .lg-label--mono {
  font-family: var(--font-mono);
  font-size: 9.5px;
  fill: #414955;
}
.lg-var {
  font-style: italic;
}
.lg-state rect {
  stroke-width: 1.3;
}
.lg-state text {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.lg-state--blue rect {
  fill: #e3eaf4;
  stroke: #174ea6;
}
.lg-state--blue text {
  fill: #103774;
}
.lg-state--teal rect {
  fill: #e3f3f1;
  stroke: #14998a;
}
.lg-state--teal text {
  fill: #0e6b61;
}
.lg-state--done rect {
  stroke-width: 2.2;
}
.lg-state--amber rect {
  fill: #fcf3e6;
  stroke: #e39b2d;
}
.lg-state--amber text {
  fill: #9f6d20;
}
.lg-state--slate rect {
  fill: #eceef1;
  stroke: #64748b;
}
.lg-state--slate text {
  fill: #465161;
}
.lg-note rect {
  fill: #f8dcdb;
  stroke: #d9534f;
}
.lg-note text {
  font-size: 9.5px;
  fill: #ae423f;
}

/* playback receipts */
.receipts {
  display: grid;
  gap: 0.75rem;
  padding: 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.receipt {
  display: grid;
  grid-template-columns: 4.4rem auto minmax(0, 1fr);
  align-items: center;
  gap: 0.9rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: #fff;
}
.receipt:nth-child(2) {
  --row: 1;
}
.receipt:nth-child(3) {
  --row: 2;
}
.receipt__epoch {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.receipt__chunks {
  display: flex;
  align-items: center;
  gap: 5px;
}
.receipt__chunks i,
.receipts__legend i {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 18px;
  border-radius: 5px;
}
.receipt__chunks i:nth-of-type(1) {
  --k: 1;
}
.receipt__chunks i:nth-of-type(2) {
  --k: 2;
}
.receipt__chunks i:nth-of-type(3) {
  --k: 3;
}
.receipt__chunks i:nth-of-type(4) {
  --k: 4;
}
.module.is-animated .receipt__chunks i {
  animation: chunk-in 360ms var(--ease-out) both;
  animation-delay: calc(var(--row, 0) * 0.85s + var(--k, 1) * 0.16s);
}
.module.is-animated .receipt__stop,
.module.is-animated .receipt__result {
  animation: module-in 400ms var(--ease-out) both;
  animation-delay: calc(var(--row, 0) * 0.85s + 0.75s);
}
.ok {
  background: #14998a;
}
.ok--replay {
  background: #3b7ddd;
}
.no {
  background: #eef2f6;
  box-shadow: inset 0 0 0 1px #b6c2d1;
}
.receipt__chunks .ok::after,
.receipt__chunks .no::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
}
.receipt__chunks .ok::after {
  content: "\2713";
  color: #fff;
}
.receipt__chunks .no::after {
  content: "\00d7";
  color: #d9534f;
}
.receipt__stop {
  padding: 0.12em 0.45em;
  border-radius: 9999px;
  border: 1px solid rgba(217, 83, 79, 0.35);
  background: #fbe9e8;
  color: #c2413c;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
}
.receipt__result {
  color: var(--ink-soft);
  font-size: 0.82rem;
}
.receipt__result--done {
  color: #0b6b60;
  font-weight: 600;
}
.receipts__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  margin: 0.15rem 0 0;
  color: var(--ink-faint);
  font-size: 0.78rem;
}
.receipts__legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.receipts__legend i {
  width: 18px;
  height: 12px;
}
@keyframes chunk-in {
  from {
    opacity: 0.2;
    transform: scaleX(0.2);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* memory split */
.memory-demo {
  padding: 1.3rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.memory-demo__said {
  margin: 0;
  padding: 0.9rem 1rem;
  border-radius: 14px 14px 14px 4px;
  border: 1px solid var(--rule);
  background: #fff;
  box-shadow: var(--shadow-soft);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.5;
}
.memory-demo__split {
  position: relative;
  height: 30px;
}
.memory-demo__split span {
  position: absolute;
  top: 0;
  bottom: 4px;
  width: 2px;
  border-radius: 1px;
}
.memory-demo__split span::after {
  content: "";
  position: absolute;
  left: -4px;
  bottom: -4px;
  border: 5px solid transparent;
  border-top-color: inherit;
}
.memory-demo__split span:first-child {
  left: 25%;
  background: var(--op-refine);
  border-color: var(--op-refine);
}
.memory-demo__split span:last-child {
  left: 75%;
  background: var(--op-save);
  border-color: var(--op-save);
}
.memory-demo__split span::after {
  border-top-color: currentColor;
}
.memory-demo__split span:first-child::after {
  border-top-color: var(--op-refine);
}
.memory-demo__split span:last-child::after {
  border-top-color: var(--op-save);
}
.memory-demo__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}
.mem-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: #fff;
}
.mem-card--task {
  border-top: 3px solid var(--op-refine);
}
.mem-card--profile {
  border-top: 3px solid var(--op-save);
}
.mem-card b {
  margin-top: 0.3rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--ink);
}
.mem-card > span:not(.optag) {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}
.mem-card small {
  color: var(--ink-faint);
  font-size: 0.78rem;
}
.module.is-animated .mem-card {
  animation: module-in 500ms var(--ease-out) both 250ms;
}
.module.is-animated .mem-card--profile {
  animation-delay: 420ms;
}
.memory-demo__ignored {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.7rem;
  margin-top: 0.9rem;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  border: 1px dashed var(--rule-strong);
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.memory-demo__ignored span {
  color: var(--ink-soft);
  text-decoration: line-through;
}

/* ============ Session timeline ============= */
.session {
  margin-top: 0;
}
.session__svg {
  width: 100%;
  min-width: 900px;
  height: auto;
  font-family: var(--font-display);
}
.s-user {
  font-size: 12px;
  font-weight: 700;
  fill: #16233d;
}
.s-lane-label {
  font-size: 12.5px;
  font-weight: 600;
  fill: #16233d;
}
.s-lane {
  stroke: #e2e8f0;
  stroke-width: 1;
}
.s-marker {
  cursor: pointer;
}
.s-marker__line {
  stroke: #94a3b8;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.s-marker__dot {
  fill: #fff;
  stroke: #16233d;
  stroke-width: 1.4;
  transition: fill 150ms ease, stroke 150ms ease;
}
.s-marker__n {
  font-size: 11px;
  font-weight: 700;
  fill: #16233d;
  pointer-events: none;
}
.s-marker.is-hot .s-marker__dot {
  fill: var(--brand-blue);
  stroke: var(--brand-blue);
}
.s-marker.is-hot .s-marker__n {
  fill: #fff;
}
.s-marker.is-hot .s-marker__line {
  stroke: var(--brand-blue);
  stroke-width: 1.6;
  stroke-dasharray: none;
}
.s-bar {
  transition: opacity 600ms var(--ease-out);
}
.js .session:not(.is-drawn) .s-bar {
  opacity: 0;
}
.s-bar rect {
  fill: #d6e4fa;
  stroke: #174ea6;
  stroke-width: 1;
  transition: fill 150ms ease;
}
.s-bar--gone rect {
  fill: #f8dcdb;
  stroke: #d9534f;
}
.s-bar__label {
  font-size: 11px;
  font-weight: 600;
  fill: #174ea6;
  pointer-events: none;
}
.s-bar--gone .s-bar__label {
  fill: #b23a35;
}
.s-badge--done {
  fill: #14998a;
}
.s-badge--ask {
  fill: #e39b2d;
}
.s-badge--gone {
  fill: #d9534f;
}
.s-badge__t {
  font-size: 10px;
  font-weight: 700;
  fill: #fff;
  pointer-events: none;
}
.s-note {
  font-size: 11px;
  font-style: italic;
}
.s-note--memory {
  font-weight: 600;
  fill: #7c5cbf;
}
.s-note--note {
  fill: #64748b;
}
.s-axis,
.s-tick {
  stroke: #94a3b8;
}
.s-tick-label {
  font-size: 10.5px;
  fill: #64748b;
}
.session.has-hot .s-bar:not(.is-hot) {
  opacity: 0.25;
}
.session.has-hot .s-bar.is-hot rect {
  fill: #b9d0f6;
  stroke-width: 1.8;
}
.session.has-hot .s-bar--gone.is-hot rect {
  fill: #f3c3c1;
}
.session__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.4rem;
  list-style: none;
  margin: 0.6rem 0 1.5rem;
  padding: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}
.sl-mark {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-right: 0.3rem;
  border-radius: 50%;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  vertical-align: -4px;
}
.sl-mark--done {
  background: #14998a;
}
.sl-mark--ask {
  background: #e39b2d;
}
.sl-mark--gone {
  background: #d9534f;
}
.sl-bar {
  display: inline-block;
  width: 26px;
  height: 12px;
  margin-right: 0.35rem;
  border-radius: 3px;
  border: 1px solid #174ea6;
  background: #d6e4fa;
  vertical-align: -1px;
}
.sl-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: #7c5cbf;
}
.utterances {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}
.utt {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: start;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.utt.is-hot {
  border-color: rgba(11, 87, 208, 0.45);
  box-shadow: 0 8px 24px rgba(11, 87, 208, 0.12);
}
.utt__n {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  border: 1.4px solid var(--ink);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}
.utt.is-hot .utt__n {
  border-color: var(--brand-blue);
  background: var(--brand-blue);
  color: #fff;
}
.utt__text {
  margin: 0 0 0.5rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.5;
}
.utt__ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.utt__play {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--rule-strong);
  background: var(--bg-soft);
  color: var(--brand-blue);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}
.utt__play:hover {
  border-color: var(--brand-blue);
  background: var(--brand-blue);
  color: #fff;
}

@media (max-width: 1080px) {
  .stat-grid,
  .failure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .abstract-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .motto {
    position: static;
  }
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .module {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
  }
  .utterances {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  .stat-grid,
  .failure-grid,
  .principles {
    grid-template-columns: minmax(0, 1fr);
  }
  .stat__value {
    font-size: 2.4rem;
  }
  .modules {
    padding: 1.2rem 1rem 1.4rem;
    border-radius: 18px;
  }
  .modules__head {
    flex-direction: column;
    gap: 0.2rem;
  }
  /* All five tabs stay in sight: two per row, the fifth across the bottom. */
  .modules__tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem;
  }
  .modules__tabs [role="tab"] {
    padding: 0.6rem 0.5rem;
    font-size: 0.88rem;
  }
  .modules__tabs [role="tab"]:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
  .jev-bars li {
    grid-template-columns: 6.6rem 1fr 2.3rem;
  }
  .jev-bars__desc {
    display: none;
  }
  .receipt {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.45rem;
  }
  .memory-demo__cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .memory-demo__split {
    display: none;
  }
  .memory-demo__said {
    margin-bottom: 0.8rem;
  }
  .abstract p {
    text-align: left;
  }
}

/* ============ Results ============= */
.result-block {
  margin-top: 2rem;
  padding: 1.7rem 1.8rem 1.6rem;
  border-radius: 24px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  scroll-margin-top: 70px;
}
.result-block + .result-block {
  margin-top: 1.6rem;
}
.result-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin-bottom: 1.4rem;
}
.result-block__n {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 12px;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(11, 87, 208, 0.3);
}
.result-block__head h3 {
  margin: 0.1rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}
.result-block__head p {
  margin: 0;
  max-width: 92ch;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}

.paired {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: 1.8rem;
  align-items: start;
}
.seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1.1rem;
  padding: 0.25rem;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.seg [role="tab"] {
  padding: 0.5rem 0.9rem;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  transition: background 140ms ease, color 140ms ease, box-shadow 140ms ease;
}
.seg [role="tab"]:hover {
  color: var(--ink);
}
.seg [role="tab"][aria-selected="true"] {
  color: var(--brand-blue);
  background: #fff;
  box-shadow: 0 2px 8px rgba(10, 46, 110, 0.12);
}
.pc-row {
  display: grid;
  grid-template-columns: 8.6rem minmax(0, 1fr) 4.2rem;
  gap: 0.9rem;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--rule);
}
.pc-model {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
}
.pc-bars {
  display: grid;
  gap: 0.32rem;
}
.pc-bar {
  position: relative;
  height: 22px;
}
.pc-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w, 0%);
  min-width: 3px;
  border-radius: 6px;
  transition: width 900ms var(--ease-out);
}
.pc-bar--qaa i {
  background: #c3ccd9;
}
.pc-bar--jarvis i {
  background: var(--grad-brand);
}
.pc-bar span {
  position: absolute;
  top: 50%;
  left: calc(var(--w, 0%) + 8px);
  transform: translateY(-50%);
  white-space: nowrap;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  transition: left 900ms var(--ease-out);
}
.pc-bar span em {
  font-style: normal;
}
.pc-bar span b {
  font-family: var(--font-mono);
  color: var(--ink);
}
.pc-bar--jarvis span b {
  color: var(--brand-blue);
}
.js .result-block:not(.is-visible) .pc-bar i {
  width: 0;
}
.js .result-block:not(.is-visible) .pc-bar span {
  left: 8px;
}
.pc-delta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--j-teal);
}
.pc-axis {
  display: flex;
  justify-content: space-between;
  margin: 0.4rem 5.1rem 0 9.5rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.paired__note {
  margin: 0.9rem 0 0;
  color: var(--ink-faint);
  font-size: 0.85rem;
  line-height: 1.55;
}
.paired__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.paired__facts li {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.paired__facts b {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--brand-blue);
}
.paired__facts b small {
  font-size: 0.6em;
  font-weight: 600;
  color: var(--ink-faint);
}
.paired__facts span {
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.55;
}

.boards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}
.board {
  padding: 1.1rem 1.2rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.board h4 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.board h4 > span:last-child {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
}
.board__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}
.lb-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) 2.8rem;
  gap: 0.7rem;
  align-items: center;
  padding: 0.32rem 0.5rem;
  border-radius: 8px;
  font-size: 0.84rem;
}
.lb-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--ink-soft);
}
.lb-track {
  height: 10px;
  border-radius: 5px;
  background: rgba(10, 46, 110, 0.06);
  overflow: hidden;
}
.lb-track i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: 5px;
  background: #a9b6c8;
  transform-origin: left center;
  transition: transform 900ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 45ms);
}
.js .result-block:not(.is-visible) .lb-track i {
  transform: scaleX(0);
}
.lb-val {
  text-align: right;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}
.lb-row.is-ours {
  background: #fff;
  box-shadow: inset 0 0 0 1.5px rgba(11, 87, 208, 0.35), 0 6px 18px rgba(11, 87, 208, 0.12);
}
.lb-row.is-ours .lb-name {
  color: var(--ink);
  font-weight: 700;
}
.lb-row.is-ours .lb-track i {
  background: var(--grad-brand);
}
.lb-row.is-ours .lb-val {
  color: var(--brand-blue);
  font-weight: 700;
}
.lb-ours {
  margin-left: 0.35rem;
  padding: 0.15em 0.45em;
  border-radius: 9999px;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  vertical-align: 1px;
}
.lb-row.is-muted .lb-name,
.lb-row.is-muted .lb-val {
  color: var(--ink-faint);
  font-style: italic;
}
.lb-row.is-muted .lb-track i,
.board__legend i {
  background: repeating-linear-gradient(135deg, #cfd6e1 0 6px, #e6eaf0 6px 12px);
}
.board__legend {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.7rem 0 0;
  color: var(--ink-faint);
  font-size: 0.76rem;
}
.board__legend i {
  width: 22px;
  height: 10px;
  border-radius: 5px;
}

.mech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.mech {
  display: flex;
  flex-direction: column;
  padding: 1.2rem 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  scroll-margin-top: 80px;
}
.mech:target {
  box-shadow: 0 0 0 2px var(--brand-blue);
}
.mech__kicker {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.mech h4 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}
.mech__text {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.55;
}
.mech__foot {
  margin: 0.8rem 0 0;
  color: var(--ink-faint);
  font-size: 0.8rem;
  line-height: 1.5;
}
.race {
  display: grid;
  gap: 0.8rem;
}
.race__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.84rem;
}
.race__name {
  color: var(--ink-soft);
}
.race__row.is-ours .race__name {
  color: var(--ink);
  font-weight: 700;
}
.race__val {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}
.race__val small {
  color: var(--ink-faint);
  font-weight: 500;
}
.race__track,
.mem-row__track {
  height: 10px;
  margin: 0.3rem 0 0.35rem;
  border-radius: 5px;
  background: rgba(10, 46, 110, 0.07);
  overflow: hidden;
}
.race__track i,
.mem-row__track i {
  display: block;
  width: var(--w);
  height: 100%;
  border-radius: 5px;
  background: #a9b6c8;
  transform-origin: left center;
  transition: transform 900ms var(--ease-out) 150ms;
}
.race__row.is-ours .race__track i {
  background: linear-gradient(90deg, #14998a, #2bb8a6);
}
.js .result-block:not(.is-visible) .race__track i,
.js .result-block:not(.is-visible) .mem-row__track i,
.js .result-block:not(.is-visible) .ctrl__bar i {
  transform: scaleX(0);
}
.race__errs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.err-chip,
.ok-chip {
  padding: 0.18em 0.5em;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
}
.err-chip {
  background: var(--j-coral-soft);
  color: #b23a35;
}
.ok-chip {
  background: var(--j-teal-soft);
  color: #0b6b60;
}
.ctrl__legend {
  list-style: none;
  margin: 0 0 0.4rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.9rem;
  color: var(--ink-soft);
  font-size: 0.76rem;
}
.ctrl__swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 0.35rem;
  border-radius: 3px;
  vertical-align: -1px;
}
.ctrl__swatch--0,
.ctrl__bar--0 i {
  background: var(--grad-brand);
}
.ctrl__swatch--1,
.ctrl__bar--1 i {
  background: #a9b6c8;
}
.ctrl__swatch--2,
.ctrl__bar--2 i {
  background: #d3dae4;
}
.ctrl__metric {
  margin-top: 0.7rem;
}
.ctrl__title {
  margin: 0 0 0.3rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
}
.ctrl__title span {
  margin-left: 0.3rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
}
.ctrl__bar {
  position: relative;
  height: 13px;
  margin-bottom: 3px;
}
.ctrl__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  border-radius: 4px;
  transform-origin: left center;
  transition: transform 900ms var(--ease-out) 150ms;
}
.ctrl__bar b {
  position: absolute;
  top: 50%;
  left: calc(var(--w) + 6px);
  transform: translateY(-50%);
  white-space: nowrap;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
}
.ctrl__bar--0 b {
  color: var(--brand-blue);
  font-weight: 700;
}
.memchart {
  display: grid;
  gap: 0.75rem;
}
.mem-row__top {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}
.mem-row.is-ours .mem-row__top span {
  color: var(--ink);
  font-weight: 600;
}
.mem-row__top b {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}
.mem-row.is-ours .mem-row__top b {
  color: var(--j-plum);
}
.mem-row.is-ours .mem-row__track i {
  background: linear-gradient(90deg, #7c5cbf, #9b7cf0);
}
.mem-row__sub {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.74rem;
}
.mem-axis {
  display: flex;
  justify-content: space-between;
  padding-top: 0.25rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.table-details {
  margin-top: 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
}
.table-details summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  list-style: none;
  cursor: pointer;
  color: var(--brand-blue);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}
.table-details summary::-webkit-details-marker {
  display: none;
}
.table-details summary::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 200ms ease;
}
.table-details[open] summary::before {
  transform: rotate(45deg);
}
.table-wrap {
  overflow-x: auto;
  padding: 0 1rem 1rem;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.84rem;
}
.data-table caption {
  padding: 0.6rem 0 0.5rem;
  caption-side: top;
  text-align: left;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
}
.data-table th,
.data-table td {
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--rule);
  text-align: center;
  white-space: nowrap;
}
.data-table th {
  background: var(--bg-elev);
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
}
.data-table td:first-child,
.data-table th:first-child,
.data-table .key {
  text-align: left;
}
.data-table tr.is-ours td {
  background: #eaf1fd;
  color: var(--ink);
  font-weight: 600;
}
.data-table tr.is-muted td {
  color: var(--ink-faint);
}
.data-table tr.group-label td {
  background: #f7f9fc;
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}
.data-table tr.group-start td {
  border-top: 2px solid var(--rule);
}
.data-table--text td {
  white-space: normal;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}
.table-note {
  margin: 0;
  padding: 0 1rem 1rem;
  color: var(--ink-faint);
  font-size: 0.78rem;
  line-height: 1.55;
}

/* ============ Jarvis-Omni ============= */
.section--omni {
  background:
    radial-gradient(60rem 30rem at 88% 0%, rgba(124, 92, 191, 0.08), transparent 70%),
    radial-gradient(40rem 24rem at 6% 30%, rgba(59, 125, 221, 0.05), transparent 70%),
    var(--bg);
}
.section--omni .section-head .eyebrow {
  color: var(--j-plum);
}
.belief {
  margin-top: 0;
  padding: 1.2rem 1.3rem 1.3rem;
  border-radius: 24px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}
.belief__bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 0.4rem;
}
.belief__play {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 6px 14px rgba(11, 87, 208, 0.3);
}
.belief__icon-play,
.belief.is-paused .belief__icon-pause {
  display: none;
}
.belief.is-paused .belief__icon-play {
  display: block;
}
.belief__scrub {
  flex: 1 1 auto;
  min-width: 0;
  accent-color: var(--brand-blue);
}
.belief__time {
  min-width: 3.6rem;
  text-align: right;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}
.belief__scroll {
  overflow-x: auto;
  scrollbar-width: thin;
}
.belief__svg {
  width: 100%;
  min-width: 860px;
  height: auto;
  font-family: var(--font-display);
}
.bl-row-label {
  font-size: 12.5px;
  font-weight: 700;
  fill: #16233d;
}
.bl-past {
  fill: rgba(59, 125, 221, 0.05);
}
.bl-frame {
  fill: #e8edf3;
  transition: fill 300ms ease;
}
.bl-frame.is-seen {
  fill: #c5d4ea;
}
.bl-death,
.bl-claim,
.bl-expires,
.bl-link,
.bl-plan,
.bl-note,
.bl-holdbar,
.bl-snapshot,
.bl-arrow {
  opacity: 0;
  transition: opacity 300ms ease;
}
.bl-death.is-on,
.bl-claim.is-on,
.bl-expires.is-on,
.bl-link.is-on,
.bl-plan.is-on,
.bl-note.is-on,
.bl-holdbar.is-on,
.bl-snapshot.is-on,
.bl-arrow.is-on {
  opacity: 1;
}
.bl-death__solid {
  stroke: #d9534f;
  stroke-width: 2.4;
}
.bl-death__dashed {
  stroke: rgba(217, 83, 79, 0.55);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}
.bl-death__label {
  font-size: 11px;
  font-weight: 700;
  fill: #d9534f;
}
.bl-claim rect {
  stroke-width: 1.2;
}
.bl-claim--claim rect {
  fill: #d6e4fa;
  stroke: #174ea6;
}
.bl-claim--old rect {
  fill: #e2e8f0;
  stroke: #64748b;
}
.bl-claim--new rect {
  fill: #d3f0ec;
  stroke: #14998a;
}
.bl-claim text {
  font-size: 11px;
  fill: #16233d;
  opacity: 0;
  transition: opacity 300ms ease;
}
.bl-claim text.is-on {
  opacity: 1;
}
.bl-claim--claim.is-dead rect {
  fill: #e7edf6;
}
.bl-badge {
  opacity: 0;
  transform: scale(0.4);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 250ms ease, transform 350ms var(--ease-out);
}
.bl-badge.is-on {
  opacity: 1;
  transform: none;
}
.bl-badge--bad circle {
  fill: #d9534f;
}
.bl-badge--ok circle {
  fill: #14998a;
}
.bl-badge text {
  font-size: 10px;
  font-weight: 700;
  fill: #fff;
}
.bl-expires {
  font-size: 10.5px;
  font-style: italic;
  fill: #64748b;
}
.bl-link {
  stroke: #3b7ddd;
  stroke-width: 1.4;
  stroke-dasharray: 3 3;
  transition: opacity 300ms ease, stroke 300ms ease;
}
.bl-link.is-bad {
  stroke: #d9534f;
}
.bl-link--ok {
  stroke: #14998a;
}
.bl-bubble {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 350ms ease, transform 350ms var(--ease-out);
}
.bl-bubble.is-on {
  opacity: 1;
  transform: none;
}
.bl-bubble rect {
  stroke-width: 1.2;
}
.bl-bubble--ask rect {
  fill: #fdf1dd;
  stroke: #e39b2d;
}
.bl-bubble--ok rect {
  fill: #e1f4f1;
  stroke: #14998a;
}
.bl-bubble text {
  font-size: 12px;
  font-style: italic;
  fill: #16233d;
}
.bl-arrow {
  fill: none;
  stroke: #64748b;
  stroke-width: 1.3;
}
.bl-plan rect {
  fill: #d6e4fa;
  stroke: #174ea6;
  stroke-width: 1.2;
  transition: fill 300ms ease, stroke 300ms ease;
}
.bl-plan.is-dead rect {
  fill: #f8dcdb;
  stroke: #d9534f;
}
.bl-plan__label {
  font-size: 11px;
  fill: #16233d;
}
.bl-plan.is-dead .bl-plan__label {
  fill: #b23a35;
  text-decoration: line-through;
}
.bl-note text {
  font-size: 10.5px;
  fill: #d9534f;
}
.bl-holdbar rect {
  fill: #d3f0ec;
  stroke: #14998a;
  stroke-width: 1.2;
}
.bl-snapshot rect {
  fill: #f1ecfa;
  stroke: #7c5cbf;
  stroke-width: 1.2;
}
.bl-snapshot text {
  font-size: 11px;
  fill: #5b3fa3;
}
.bl-axis {
  stroke: #94a3b8;
  stroke-width: 1;
}
.bl-tick {
  font-size: 10.5px;
  fill: #64748b;
}
.bl-head line {
  stroke: #0b57d0;
  stroke-width: 1.6;
}
.bl-head circle {
  fill: #0b57d0;
}
.belief__log {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
}
.belief__log button {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 3.3rem minmax(0, 1fr);
  gap: 0.4rem;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  color: var(--ink-faint);
  font-size: 0.8rem;
  line-height: 1.45;
  text-align: left;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
}
.belief__log-t {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
}
.belief__log li.is-past button {
  background: #fff;
  color: var(--ink-soft);
}
.belief__log li.is-current button {
  border-color: rgba(11, 87, 208, 0.45);
  box-shadow: 0 6px 16px rgba(11, 87, 208, 0.12);
  color: var(--ink);
}
.belief__log li.is-current .belief__log-t {
  color: var(--brand-blue);
}

.omni-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.6rem;
}
.omni-stat {
  padding: 1.05rem 1.05rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--j-plum);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}
.omni-stat b {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.omni-stat b small {
  color: var(--ink-faint);
  font-size: 0.62em;
  font-weight: 600;
}
.omni-stat span {
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
}
.omni-split {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}
.omni-panel {
  padding: 1.2rem 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}
.omni-panel h3 {
  margin: 0 0 0.4rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}
.omni-panel > p {
  margin: 0 0 0.8rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.55;
}
.omni-panel > p.omni-panel__foot {
  margin: 0.9rem 0 0;
  color: var(--ink-faint);
  font-size: 0.78rem;
}
.hbars__group {
  margin: 0.7rem 0 0.3rem;
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hbar {
  display: grid;
  grid-template-columns: 6.2rem minmax(0, 1fr) 3.6rem;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.3rem;
  font-size: 0.8rem;
}
.hbar span {
  color: var(--ink-soft);
}
.hbar i {
  position: relative;
  display: block;
  height: 12px;
  border-radius: 6px;
  background: rgba(10, 46, 110, 0.07);
  overflow: hidden;
}
.hbar i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: max(var(--w), 3px);
  border-radius: 6px;
  background: #a9b6c8;
  transform-origin: left center;
  transition: transform 900ms var(--ease-out) 200ms;
}
.hbar--ours i::before {
  background: linear-gradient(90deg, #7c5cbf, #9b7cf0);
}
.hbar--bad i::before {
  background: #d9534f;
}
.js .omni-panel:not(.is-visible) .hbar i::before {
  transform: scaleX(0);
}
.hbar b {
  text-align: right;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.hbar--ours b {
  color: var(--j-plum);
}
.stack {
  margin-top: 0.4rem;
}
.stack__row {
  display: grid;
  grid-template-columns: 10.6rem minmax(0, 1fr) 2rem;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}
.stack__row span {
  color: var(--ink-soft);
}
.stack__row--ours span {
  color: var(--ink);
  font-weight: 600;
}
.stack__bar {
  display: flex;
  height: 14px;
  border-radius: 7px;
  overflow: hidden;
  background: rgba(10, 46, 110, 0.06);
  clip-path: inset(0 0 0 0 round 7px);
  transition: clip-path 1s var(--ease-out) 200ms;
}
.js .omni-panel:not(.is-visible) .stack__bar {
  clip-path: inset(0 100% 0 0 round 7px);
}
.stack__bar i {
  width: var(--w);
  height: 100%;
}
.stack__bar .ok,
.stack__legend .ok {
  background: #14998a;
}
.stack__bar .miss,
.stack__legend .miss {
  background: #d9534f;
}
.stack__bar .other,
.stack__legend .other {
  background: #e7c88f;
}
.stack__row b {
  text-align: right;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.stack__row--ours b {
  color: #0b6b60;
}
.stack__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.8rem;
  margin: 0.4rem 0 0;
  color: var(--ink-faint);
  font-size: 0.74rem;
}
.stack__legend span {
  white-space: nowrap;
}
.stack__legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 0.35rem;
  border-radius: 3px;
  vertical-align: -1px;
}
.omni-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 2.2rem;
}
.omni-cta p {
  margin: 0 0.4rem 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
}
.button--violet,
.button--violet:hover {
  background: linear-gradient(100deg, #6f56c6, #9b7cf0);
  box-shadow: 0 10px 24px rgba(124, 92, 191, 0.32);
}

@media (max-width: 1080px) {
  .paired,
  .boards,
  .mech-grid,
  .omni-split {
    grid-template-columns: minmax(0, 1fr);
  }
  .omni-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .belief__log {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .result-block {
    padding: 1.2rem 1rem 1.1rem;
    border-radius: 18px;
  }
  .result-block__head {
    grid-template-columns: minmax(0, 1fr);
  }
  .pc-row {
    grid-template-columns: minmax(0, 1fr) 3.4rem;
  }
  .pc-model {
    grid-column: 1 / -1;
  }
  .pc-axis {
    margin: 0.4rem 4.3rem 0 0;
  }
  /* Name and value on one line, the bar under them, so long names stay whole. */
  .lb-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "name val"
      "track track";
    gap: 0.3rem 0.7rem;
    padding: 0.42rem 0.55rem;
    font-size: 0.8rem;
  }
  .lb-name {
    grid-area: name;
    white-space: normal;
  }
  .lb-track {
    grid-area: track;
    height: 8px;
  }
  .lb-val {
    grid-area: val;
  }
  .omni-stats,
  .belief__log {
    grid-template-columns: minmax(0, 1fr);
  }
  .belief {
    padding: 1rem 0.8rem 1rem;
  }
}

/* ============ Reveal on scroll ============= */
/* Only hidden when the script runs, so the page still reads without it. */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============ Visitor map ============= */
.visitors {
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* Widget scripts draw next to themselves; a blocked or missing one leaves only
   the script behind, and an empty card should not show. It stays laid out
   while hidden, since main.js sizes the widget from the card's width. */
.visitors:not(:has(.visitors__map > :not(script))) {
  height: 0;
  overflow: hidden;
  visibility: hidden;
}
/* main.js sizes the widget to this card's content box, at most 640 px. */
.visitors__map {
  width: min(100%, 666px);
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(10, 46, 110, 0.07);
}
/* The widget fixes its size in pixels when it loads; this keeps it following
   the card afterwards, and fits its map image (possibly a sharper, wider one
   swapped in by main.js) to the box its visitor dots are placed in. */
.visitors__map #mapmyvisitors-widget {
  width: 100% !important;
}
.visitors__map .mapmyvisitors-map {
  width: 100% !important;
  height: auto !important;
  aspect-ratio: 2.04;
  background-size: 100% 100%;
}

/* ============ Footer ============= */
.footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--rule);
  padding: 2.75rem 0;
}
.footer__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem 2.4rem;
  margin-bottom: 1.2rem;
  opacity: 0.85;
}
.footer__logos img {
  max-width: 100%;
  width: auto;
}
.footer__logos img[data-logo="cuhksz"] {
  max-height: 36px;
}
.footer__logos img[data-logo="hunyuan"] {
  max-height: 24px;
}
.footer__legal {
  color: var(--ink-faint);
  font-size: 0.84rem;
  margin: 0 auto;
  max-width: 92ch;
  text-align: center;
  line-height: 1.75;
}

/* ============ Responsive ============= */
@media (max-width: 768px) {
  .hero {
    padding: 1.8rem 0 2.6rem;
  }
  .section {
    padding: 3.5rem 0;
  }
  .affiliation-row {
    gap: 1.8rem;
  }
}
/* On a phone the title comes first and the scene stacks: orb and words on
   one row, the ledger under them. */
@media (max-width: 680px) {
  .hero__inner {
    display: flex;
    flex-direction: column;
  }
  .hero__art {
    order: 1;
    margin: 1.9rem auto 0;
  }
  .affiliation-row {
    order: 2;
  }
  .scene {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    gap: 0.9rem;
  }
  .scene__voice {
    flex-direction: row;
    justify-content: center;
    gap: 0.3rem;
    width: 100%;
  }
  .orb {
    flex: 0 0 auto;
    width: 128px;
    height: 128px;
  }
  .scene__said {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    margin: 0;
    padding: 0.55rem 0.8rem;
    border-radius: 14px;
    white-space: normal;
  }
  .scene__ledger {
    width: 100%;
    max-width: 380px;
  }
}

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