:root {
  color-scheme: dark;
  --page: #020617;
  --page-raised: #07101f;
  --surface: #0f172a;
  --surface-soft: #111d31;
  --surface-bright: #17233a;
  --border: #334155;
  --border-strong: #475569;
  --text: #f8fafc;
  --text-soft: #d8e0eb;
  --muted: #a6b3c6;
  --accent: #4ade80;
  --accent-strong: #22c55e;
  --accent-ink: #052e16;
  --blue: #7dd3fc;
  --blue-strong: #38bdf8;
  --blue-ink: #082f49;
  --warning: #facc15;
  --danger: #fda4af;
  --radius-small: 8px;
  --radius-medium: 14px;
  --radius-large: 22px;
  --shadow: 0 24px 72px rgb(0 0 0 / 28%);
  --font-sans:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 82% 6%, rgb(56 189 248 / 9%), transparent 28rem),
    radial-gradient(circle at 8% 24%, rgb(74 222 128 / 7%), transparent 24rem),
    var(--page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
select,
input {
  font: inherit;
}

button,
a,
select,
input[type="range"] {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible,
[tabindex="0"]:focus-visible,
.CodeMirror-focused {
  outline: 3px solid var(--warning);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: var(--radius-small);
  background: var(--text);
  color: var(--page);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(1240px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid rgb(71 85 105 / 58%);
  background: rgb(2 6 23 / 82%);
  backdrop-filter: blur(18px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.header-navigation {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header nav a {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius-small);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.site-header nav a:hover {
  background: var(--surface);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: center;
  min-height: 610px;
  padding-block: 92px;
  gap: 88px;
}

.hero-copy {
  max-width: 720px;
}

.version-notice {
  max-width: 42rem;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.version-notice a {
  color: var(--text-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.version-notice a:hover {
  color: var(--text);
}

.eyebrow,
.card-step {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 780;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 740;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  font-weight: 720;
}

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

:not(pre) > code {
  border: 1px solid rgb(125 211 252 / 18%);
  border-radius: 5px;
  background: rgb(125 211 252 / 8%);
  color: var(--blue);
  font-size: 0.88em;
  white-space: nowrap;
}

.hero-summary {
  max-width: 640px;
  margin-bottom: 34px;
  color: var(--text-soft);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  cursor: pointer;
  font-weight: 720;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:active:not(:disabled) {
  transform: translateY(0);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

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

.button-primary:hover:not(:disabled) {
  background: var(--blue-strong);
}

.button-accent {
  background: var(--accent);
  color: var(--accent-ink);
}

.button-accent:hover:not(:disabled) {
  background: var(--accent-strong);
}

.button-secondary,
.button-quiet {
  border-color: var(--border-strong);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  border-color: var(--muted);
  background: var(--surface-bright);
}

.button-quiet {
  min-height: 44px;
  padding: 8px 12px;
  color: var(--text-soft);
  font-size: 13px;
}

.button-full {
  width: 100%;
}

.text-link {
  min-height: 44px;
  padding: 10px 2px;
  color: var(--text-soft);
  font-weight: 680;
  text-underline-offset: 5px;
}

.text-link:hover {
  color: var(--text);
}

.signal-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  background: linear-gradient(145deg, rgb(15 23 42 / 96%), rgb(8 17 32 / 96%));
  box-shadow: var(--shadow);
}

.signal-card::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgb(74 222 128 / 8%);
  content: "";
  filter: blur(28px);
  pointer-events: none;
}

.signal-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgb(74 222 128 / 10%);
}

.version {
  margin-left: auto;
  color: var(--muted);
}

.pipeline {
  display: grid;
  margin: 8px 0 20px;
  padding: 0;
  list-style: none;
}

.pipeline li {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  padding-left: 36px;
  border-bottom: 1px solid rgb(51 65 85 / 56%);
}

.pipeline li::before {
  position: absolute;
  left: 2px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--page-raised);
  content: "";
}

.pipeline li:not(:last-child)::after {
  position: absolute;
  z-index: -1;
  top: 38px;
  bottom: -20px;
  left: 11px;
  width: 1px;
  background: var(--border-strong);
  content: "";
}

.pipeline code {
  color: var(--blue);
  font-size: 13px;
}

.signal-card > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.workflow-section {
  padding-block: 86px;
  border-block: 1px solid rgb(51 65 85 / 62%);
  background: rgb(7 16 31 / 74%);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1fr);
  align-items: end;
  margin-bottom: 46px;
  column-gap: 68px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading > p:last-child {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 18px;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: var(--page-raised);
  list-style: none;
}

.workflow-step {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--border);
}

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

.workflow-step.is-active {
  background: linear-gradient(180deg, rgb(56 189 248 / 8%), transparent);
  box-shadow: inset 0 3px 0 var(--blue);
}

.workflow-step.is-complete {
  background: linear-gradient(180deg, rgb(74 222 128 / 7%), transparent);
  box-shadow: inset 0 3px 0 var(--accent);
}

.step-number {
  display: block;
  margin-bottom: 34px;
  color: #94a3b8;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.workflow-step.is-active .step-number {
  color: var(--blue);
}

.workflow-step.is-complete .step-number {
  color: var(--accent);
}

.workflow-step h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.workflow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.workbench-section {
  padding-block: 100px;
  scroll-margin-top: 24px;
}

.workbench-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 32px;
}

.workbench-heading h2 {
  max-width: 800px;
  margin-bottom: 14px;
}

.workbench-heading p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr) minmax(0, 1fr);
  align-items: start;
  gap: 18px;
}

.workspace-card,
.transfer-card,
.event-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: var(--surface);
}

.workspace-card {
  overflow: hidden;
}

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

.card-header .card-step,
.transfer-card .card-step,
.event-panel .card-step {
  display: block;
  margin-bottom: 7px;
  color: var(--blue);
  font-size: 10px;
}

.card-header h3,
.transfer-card h3,
.event-panel h3 {
  margin: 0;
}

.state-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.state-badge.state-listening,
.state-badge.state-ready,
.state-badge.state-complete {
  border-color: rgb(74 222 128 / 34%);
  background: rgb(74 222 128 / 7%);
  color: #86efac;
}

.state-badge.state-playing {
  border-color: rgb(125 211 252 / 36%);
  background: rgb(125 211 252 / 8%);
  color: var(--blue);
}

.state-listening span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.card-description {
  min-height: 78px;
  margin: 0;
  padding: 14px 22px 18px;
  color: var(--muted);
  font-size: 14px;
}

.editor-frame {
  margin-inline: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--page-raised);
}

.editor-label {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.CodeMirror {
  height: 330px;
  background: var(--page-raised);
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
}

.CodeMirror-gutters {
  border-right-color: var(--border);
  background: #050c19;
}

.CodeMirror-linenumber {
  color: #94a3b8;
}

.CodeMirror-cursor {
  border-left-color: var(--accent);
}

.CodeMirror-selected,
.CodeMirror-focused .CodeMirror-selected {
  background: rgb(56 189 248 / 24%);
}

.cm-s-default .cm-comment {
  color: #94a3b8;
}

.cm-s-default .cm-keyword,
.cm-s-default .cm-atom {
  color: #c4b5fd;
}

.cm-s-default .cm-def,
.cm-s-default .cm-variable-2 {
  color: #7dd3fc;
}

.cm-s-default .cm-variable {
  color: #e2e8f0;
}

.cm-s-default .cm-number {
  color: #fde047;
}

.cm-s-default .cm-string {
  color: #86efac;
}

.cm-s-default .cm-operator,
.cm-s-default .cm-property {
  color: #f8fafc;
}

.card-footer {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  gap: 14px;
}

.card-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.transfer-card {
  padding: 22px;
}

.transfer-card > header {
  margin-bottom: 22px;
}

.transfer-card > header p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.payload-panel {
  margin-block: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--page-raised);
}

.payload-header,
.code-sample-header {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 13px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.copy-button {
  min-height: 44px;
  padding: 6px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: none;
}

.copy-button:hover:not(:disabled) {
  background: var(--surface);
}

.copy-button:disabled {
  cursor: not-allowed;
  color: var(--border-strong);
}

.payload-panel pre {
  height: 238px;
  margin: 0;
  overflow: auto;
  padding: 14px;
  color: #bbf7d0;
  font-size: 11px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.payload-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  border-top: 1px solid var(--border);
}

.payload-metrics > div {
  padding: 10px 13px;
}

.payload-metrics > div + div {
  border-left: 1px solid var(--border);
}

.payload-metrics dt {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.payload-metrics dd {
  margin: 2px 0 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
}

.transfer-note {
  min-height: 40px;
  margin: 12px 2px 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.player-controls {
  display: grid;
  padding: 16px 18px 20px;
  gap: 16px;
}

.transport-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.speed-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.speed-control label,
.timeline-label label {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 680;
}

.speed-control select {
  min-width: 92px;
  min-height: 44px;
  padding: 8px 32px 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-small);
  background: var(--page-raised);
  color: var(--text);
}

.speed-control select:disabled {
  opacity: 0.48;
}

.timeline-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 12px;
}

.timeline-label output {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

input[type="range"] {
  width: 100%;
  height: 44px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--accent);
}

input[type="range"]:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.event-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1.45fr);
  margin-top: 18px;
  padding: 22px;
  gap: 28px;
}

.event-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

#event-log {
  display: grid;
  max-height: 148px;
  margin: 0;
  overflow-y: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: var(--page-raised);
  list-style: none;
}

#event-log li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  min-height: 42px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid rgb(51 65 85 / 58%);
  gap: 12px;
  color: var(--text-soft);
  font-size: 12px;
}

#event-log li:last-child {
  border-bottom: 0;
}

#event-log .event-name {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.integration-section {
  padding-block: 100px;
  border-top: 1px solid var(--border);
  background: var(--page-raised);
  scroll-margin-top: 24px;
}

.integration-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(400px, 1.2fr);
  align-items: start;
  gap: 92px;
}

.integration-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.implementation-notes {
  display: grid;
  margin: 32px 0 0;
  padding: 0;
  gap: 14px;
  list-style: none;
}

.implementation-notes li {
  position: relative;
  padding-left: 26px;
  color: var(--text-soft);
  font-size: 14px;
}

.implementation-notes li::before {
  position: absolute;
  top: 0.68em;
  left: 2px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  content: "";
}

.code-sample {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: #050c19;
  box-shadow: var(--shadow);
}

.code-sample pre {
  margin: 0;
  overflow: auto;
  padding: 28px;
  color: #dbeafe;
  font-size: 13px;
  line-height: 1.8;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--page);
}

.site-footer .page-shell {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1080px) {
  .hero {
    gap: 48px;
  }

  .workbench {
    grid-template-columns: 1fr;
  }

  .recorder-card {
    grid-row: 1;
  }

  .transfer-card {
    grid-column: auto;
    grid-row: 2;
  }

  .player-card {
    grid-row: 3;
  }

  .payload-panel pre {
    height: 180px;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 36px, 720px);
  }

  .header-content {
    align-items: flex-start;
    flex-wrap: wrap;
    padding-block: 14px;
  }

  .header-navigation {
    width: 100%;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 72px;
    gap: 56px;
  }

  .section-heading,
  .integration-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .workflow-step:nth-child(2) {
    border-right: 0;
  }

  .workflow-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }

  .workbench {
    grid-template-columns: 1fr;
  }

  .recorder-card {
    grid-row: 1;
  }

  .transfer-card {
    grid-column: auto;
    grid-row: 2;
  }

  .player-card {
    grid-row: 3;
  }

  .event-panel {
    grid-template-columns: 1fr;
  }

  .integration-grid {
    gap: 48px;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 32px, 560px);
  }

  .primary-navigation a:not(.nav-home):not(.nav-cta) {
    display: none;
  }

  .hero {
    padding-block: 60px 72px;
  }

  h1 {
    font-size: clamp(44px, 13vw, 64px);
  }

  h2 {
    font-size: 34px;
  }

  .workflow-section,
  .workbench-section,
  .integration-section {
    padding-block: 72px;
  }

  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .workflow-step {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .workflow-step:nth-child(3) {
    border-bottom: 1px solid var(--border);
  }

  .workflow-step:last-child {
    border-bottom: 0;
  }

  .step-number {
    margin-bottom: 20px;
  }

  .workbench-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .workbench-heading > .button {
    align-self: flex-start;
  }

  .card-header {
    align-items: flex-start;
  }

  .card-description {
    min-height: auto;
  }

  .CodeMirror {
    height: 300px;
  }

  .card-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .card-footer .button {
    width: 100%;
  }

  .transport-controls {
    grid-template-columns: 1fr 1fr;
  }

  .transport-controls .button:first-child {
    grid-column: 1 / -1;
  }

  .site-footer .page-shell {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 24px;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}