:root {
  --ink: #10110f;
  --ink-raised: #171812;
  --paper: #f2efe4;
  --paper-deep: #e5e0d1;
  --signal: #b9f27c;
  --brass: #d3a94f;
  --rust: #d66f3f;
  --focus: #8bd7ff;
  --text: #f2efe4;
  --muted: #b9b6ab;
  --dark-text: #171812;
  --dark-muted: #55564f;
  --line: rgba(242, 239, 228, 0.18);
  --dark-line: rgba(16, 17, 15, 0.2);
  --sans: "IBM Plex Sans", "Aptos", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --max: 1180px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(76px, 10vw, 132px);
  --radius-sm: 4px;
  --radius: 10px;
  --shadow: 0 22px 55px rgba(0, 0, 0, 0.22);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 239, 228, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 239, 228, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
}

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

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
p,
blockquote,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.03;
  text-wrap: balance;
}

h1 {
  max-width: 840px;
  margin-bottom: 30px;
  font-size: clamp(3.25rem, 8.2vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 26px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 16px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

p {
  margin-bottom: 20px;
  color: var(--muted);
}

code,
kbd {
  font-family: var(--mono);
}

code {
  padding: 0.1em 0.35em;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(242, 239, 228, 0.06);
  color: var(--text);
  font-size: 0.9em;
}

kbd {
  display: inline-block;
  padding: 0.18em 0.5em;
  border: 1px solid currentColor;
  border-bottom-width: 3px;
  border-radius: 4px;
  font-size: 0.75em;
  white-space: nowrap;
}

.shell {
  width: min(100% - (2 * var(--gutter)), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--signal);
  color: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 17, 15, 0.94);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  width: min(100% - (2 * var(--gutter)), var(--max));
  min-height: 76px;
  margin-inline: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-lockup img {
  width: 40px;
  height: 40px;
}

.parent-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--paper);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.site-nav a {
  min-height: 44px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--signal);
}

.header-actions,
.hero-actions,
.final-actions,
.platform-buttons,
.inline-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.nav-lines {
  display: grid;
  gap: 5px;
}

.nav-lines i {
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--ink);
}

.button-primary:hover {
  background: #c9ff91;
}

.button-outline {
  border-color: rgba(242, 239, 228, 0.4);
  background: transparent;
  color: var(--paper);
}

.button-outline:hover,
.button-quiet:hover {
  border-color: var(--paper);
}

.button-quiet {
  border-color: transparent;
  color: var(--muted);
}

.button-large {
  min-height: 52px;
  padding: 13px 21px;
  font-size: 0.86rem;
}

.text-link {
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
}

.text-link span,
.inline-links a::after {
  color: var(--signal);
}

.inline-links a {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.inline-links a::after {
  content: "  ↗";
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(350px, 0.72fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding-block: clamp(70px, 10vw, 130px);
}

.product-label,
.section-index,
.eyebrow,
.platform-os,
.platform-status,
.release-line,
.voice-console figcaption,
.rail-label,
.proof-item > span,
.mode-title span {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.product-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
  color: var(--signal);
  font-size: 0.73rem;
}

.hero-descriptor {
  max-width: 650px;
  margin-bottom: 18px;
  color: var(--paper);
  font-size: clamp(1.2rem, 2.1vw, 1.65rem);
  line-height: 1.35;
}

.hero-support {
  max-width: 680px;
  margin-bottom: 32px;
  font-size: 1rem;
}

.release-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 30px;
  color: var(--muted);
  font-size: 0.68rem;
}

.release-line span:not(:first-child) {
  position: relative;
}

.release-line span:not(:first-child, :nth-child(2))::before {
  position: absolute;
  left: -10px;
  content: "/";
  color: #6c6e65;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(185, 242, 124, 0.11);
}

.voice-console {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-raised);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.voice-console figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.61rem;
}

.voice-console figcaption span:first-child {
  color: var(--signal);
}

.voice-rail {
  position: relative;
  margin: 0;
  padding: 30px 28px;
  list-style: none;
}

.voice-rail::before {
  position: absolute;
  top: 46px;
  bottom: 50px;
  left: 49px;
  width: 1px;
  content: "";
  background: linear-gradient(var(--paper-deep), var(--signal));
  opacity: 0.55;
}

.rail-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 20px;
  min-height: 110px;
}

.rail-step:last-child {
  min-height: 0;
}

.rail-node {
  z-index: 1;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink-raised);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.is-listening .rail-node,
.is-inserted .rail-node {
  border-color: var(--signal);
  color: var(--signal);
}

.rail-label {
  margin: 2px 0 8px;
  color: var(--paper);
  font-size: 0.72rem;
}

.rail-step p:not(.rail-label) {
  margin-bottom: 0;
  font-size: 0.83rem;
}

.rail-step blockquote {
  margin-bottom: 8px;
  padding: 10px 14px;
  border-left: 2px solid var(--signal);
  background: rgba(185, 242, 124, 0.05);
  color: var(--paper);
  font-size: 0.9rem;
}

.voice-bars {
  display: flex;
  height: 32px;
  align-items: center;
  gap: 5px;
  margin: 5px 0 8px;
}

.voice-bars i {
  display: block;
  width: 3px;
  height: 9px;
  background: var(--signal);
  transform-origin: center;
  animation: signal 1.2s ease-in-out infinite alternate;
}

.voice-bars i:nth-child(2),
.voice-bars i:nth-child(6) {
  height: 18px;
  animation-delay: -0.5s;
}

.voice-bars i:nth-child(3),
.voice-bars i:nth-child(5) {
  height: 27px;
  animation-delay: -0.8s;
}

.voice-bars i:nth-child(4) {
  height: 14px;
  animation-delay: -0.2s;
}

.cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 5px;
  background: var(--signal);
  vertical-align: -0.16em;
  animation: cursor 900ms steps(1) infinite;
}

.section {
  padding-block: var(--section);
}

.section-index {
  margin-bottom: clamp(44px, 7vw, 86px);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--signal);
  font-size: 0.68rem;
}

.section-index-dark {
  border-color: var(--dark-line);
  color: #526e36;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--signal);
  font-size: 0.7rem;
}

.editorial-grid,
.processing-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: clamp(48px, 10vw, 140px);
  align-items: start;
}

.large-copy {
  margin-bottom: 48px;
  color: var(--paper);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.5;
}

.use-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.use-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.use-list span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.section-paper {
  background: var(--paper);
  color: var(--dark-text);
}

.section-paper p {
  color: var(--dark-muted);
}

.proof-strip {
  display: grid;
  grid-template-columns: 0.8fr 1.1fr 1.35fr;
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.proof-item {
  min-height: 330px;
  padding: 34px clamp(22px, 3vw, 42px) 36px 0;
}

.proof-item + .proof-item {
  padding-left: clamp(22px, 3vw, 42px);
  border-left: 1px solid var(--dark-line);
}

.proof-item > span {
  display: block;
  margin-bottom: 70px;
  color: #526e36;
  font-size: 0.68rem;
}

.proof-item h3 {
  min-height: 3.5em;
}

.section-heading > p:not(.eyebrow) {
  max-width: 620px;
}

.mode-stack {
  display: grid;
  gap: 18px;
}

.mode-card {
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-left: 5px solid var(--signal);
  background: var(--ink-raised);
}

.mode-remote {
  border-left-color: var(--brass);
}

.mode-title {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.mode-title span {
  color: var(--signal);
  font-size: 0.65rem;
}

.mode-remote .mode-title span {
  color: var(--brass);
}

.mode-title b {
  font-size: 1.08rem;
}

.mode-card p,
.mode-note {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.mode-note {
  padding: 14px 0 0 20px;
  border-left: 1px solid var(--rust);
}

.open-band {
  background: var(--signal);
  color: var(--ink);
}

.open-band p {
  color: #2d3922;
}

.open-band .eyebrow,
.open-band .inline-links a::after {
  color: #3e5729;
}

.open-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: clamp(40px, 9vw, 120px);
  align-items: center;
}

.open-mark {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--ink);
  font-family: var(--mono);
  font-size: clamp(2.5rem, 8vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.08em;
}

.open-layout h2 {
  max-width: 850px;
}

.open-layout p:not(.eyebrow) {
  max-width: 760px;
  font-size: 1.1rem;
}

.download-heading {
  display: grid;
  grid-template-columns: 0.6fr 1fr;
  gap: 18px 60px;
  align-items: end;
  margin-bottom: 60px;
}

.download-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.download-heading h2,
.download-heading p {
  margin-bottom: 0;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  gap: 18px;
}

.platform-secondary {
  display: grid;
  gap: 18px;
}

.platform {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  background: var(--ink-raised);
}

.platform-primary {
  min-height: 658px;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, transparent 0 40%, rgba(185, 242, 124, 0.035) 40% 100%),
    var(--ink-raised);
}

.platform-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: auto;
}

.platform-os,
.platform-status {
  margin: 0;
  font-size: 0.64rem;
}

.platform-os {
  color: var(--paper);
}

.platform-status {
  color: var(--signal);
  text-align: right;
}

.platform h3 {
  max-width: 680px;
  margin-top: 50px;
}

.platform p:not(.platform-os, .platform-status) {
  max-width: 700px;
  font-size: 0.9rem;
}

.platform-buttons {
  margin-top: 18px;
}

.proof-boundary {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 28px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.83rem;
}

.proof-boundary p {
  max-width: 840px;
  margin: 0;
}

.proof-boundary a {
  flex: 0 0 auto;
  color: var(--signal);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 22px 44px 22px 0;
  color: var(--paper);
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 22px;
  right: 4px;
  content: "+";
  color: var(--signal);
  font-family: var(--mono);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 720px;
  padding-right: 44px;
}

.final-cta {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-raised);
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: end;
  padding-block: clamp(70px, 9vw, 110px);
}

.final-cta h2 {
  margin-bottom: 12px;
}

.final-cta p:last-child {
  margin-bottom: 0;
}

.final-actions {
  justify-content: flex-end;
}

.site-footer {
  padding-block: 48px;
}

.footer-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.82rem;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

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

.content-hero {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: end;
  padding-block: clamp(70px, 10vw, 120px);
  border-bottom: 1px solid var(--line);
}

.content-hero h1 {
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.7rem);
}

.content-hero .large-copy {
  margin: 0;
}

.content-section {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: clamp(35px, 8vw, 100px);
  padding-block: clamp(55px, 8vw, 90px);
  border-bottom: 1px solid var(--line);
}

.content-section h2 {
  font-size: clamp(1.9rem, 3.5vw, 3.3rem);
}

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

.content-section th,
.content-section td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  text-align: left;
  vertical-align: top;
}

.content-section th {
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.contact-route {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.contact-route:last-child {
  border-bottom: 1px solid var(--line);
}

.contact-route h3,
.contact-route p {
  margin-bottom: 5px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes signal {
  from { transform: scaleY(0.55); }
  to { transform: scaleY(1); }
}

@keyframes cursor {
  50% { opacity: 0; }
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr auto auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: var(--gutter);
    left: var(--gutter);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    background: var(--ink-raised);
    box-shadow: var(--shadow);
  }

  .nav-open .site-nav {
    display: flex;
  }

  .nav-open .nav-lines i:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-open .nav-lines i:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 850px;
  }

  .voice-console {
    max-width: 680px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-item {
    min-height: auto;
    padding: 28px 0;
  }

  .proof-item + .proof-item {
    padding-left: 0;
    border-top: 1px solid var(--dark-line);
    border-left: 0;
  }

  .proof-item > span {
    margin-bottom: 28px;
  }

  .proof-item h3 {
    min-height: 0;
  }

  .download-heading,
  .download-layout,
  .content-hero {
    grid-template-columns: 1fr;
  }

  .platform-primary {
    min-height: 500px;
  }

  .final-cta-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .final-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .header-actions {
    display: none;
  }

  .editorial-grid,
  .processing-layout,
  .faq-layout,
  .open-layout,
  .content-section {
    grid-template-columns: 1fr;
  }

  .open-mark {
    width: min(220px, 65vw);
  }

  .proof-boundary,
  .footer-inner,
  .contact-route {
    align-items: flex-start;
    flex-direction: column;
  }

  .proof-boundary,
  .footer-inner {
    display: flex;
  }

  .contact-route {
    display: grid;
    grid-template-columns: 1fr;
  }

  .voice-console figcaption {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: 18px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.3rem);
  }

  .brand-lockup img {
    width: 34px;
    height: 34px;
  }

  .brand-lockup {
    font-size: 0.86rem;
  }

  .button-large,
  .hero-actions .button,
  .platform-buttons .button {
    width: 100%;
  }

  .voice-rail {
    padding: 24px 18px;
  }

  .voice-rail::before {
    left: 39px;
  }

  .rail-step {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .release-line span:not(:first-child, :nth-child(2))::before {
    display: none;
  }

  .release-line {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-primary,
  .platform {
    min-height: 0;
  }

  .platform-top {
    margin-bottom: 40px;
  }

  .content-section table,
  .content-section thead,
  .content-section tbody,
  .content-section tr,
  .content-section th,
  .content-section td {
    display: block;
  }

  .content-section th {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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