:root {
  --screen: #000000;
  --chrome: #0d1214;
  --hairline: #1c2226;
  --core-well: #0f1618;
  --gridline: rgba(120, 199, 191, 0.09);
  --primary-text: #eaf3f4;
  --secondary-text: #8fa3a8;
  --dim-text: #5d6f73;
  --ecg: #3ff08a;
  --spo2: #4fd8ff;
  --resp: #ffd645;
  --art: #ff5d7a;
  --gpu: #b78aff;
  --energy: #ffa23e;
  --alarm: #ff3b3b;
  --content: 1120px;
  --measure: 680px;
  --panel: 400px;
  --radius-card: 3px;
  --radius-panel: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--screen);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--screen);
  color: var(--primary-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--ecg);
  outline-offset: 2px;
}

::selection {
  background: var(--ecg);
  color: var(--screen);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--ecg);
  color: var(--screen);
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-160%);
}

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

.container {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.section {
  padding-block: 96px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--chrome);
  border-bottom: 1px solid var(--hairline);
}

.nav-shell {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  color: var(--ecg);
  filter: drop-shadow(0 0 3px rgba(63, 240, 138, 0.55));
}

.brand-state {
  padding: 2px 4px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  color: var(--dim-text);
  font: 700 12px/1.2 var(--font-mono);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.nav-links a {
  color: var(--secondary-text);
  font-size: 14px;
  transition: color 220ms ease-out;
}

.nav-links a:hover {
  color: var(--primary-text);
}

.language-switch {
  display: inline-flex;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
}

.language-switch select {
  min-height: 32px;
  max-width: 112px;
  padding: 4px 24px 4px 8px;
  border: 0;
  border-radius: 2px;
  background-color: var(--chrome);
  color: var(--ecg);
  cursor: pointer;
  font: 12px/1 var(--font-mono);
  transition: color 220ms ease-out, background-color 220ms ease-out;
}

.language-switch select:hover {
  color: var(--primary-text);
}

.language-switch select:focus-visible {
  outline: 2px solid var(--ecg);
  outline-offset: 2px;
}

.release-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--secondary-text);
  font: 12px/1 var(--font-mono);
}

.release-short {
  display: none;
}

.status-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ecg);
  box-shadow: 0 0 3px var(--ecg);
  animation: status-pulse 2s ease-in-out infinite;
}

@keyframes status-pulse {
  50% { opacity: 0.45; }
}

.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--panel);
  align-items: center;
  gap: 64px;
}

.hero-copy,
.monitor-stage {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--ecg);
}

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

h1 {
  max-width: 680px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h1 em {
  display: block;
  color: var(--ecg);
  font-style: normal;
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 32px;
  color: var(--secondary-text);
  font-size: 20px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  font-size: 14px;
  font-weight: 700;
  transition: background-color 220ms ease-out, border-color 220ms ease-out, color 220ms ease-out, transform 220ms ease-out;
}

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

.button-primary {
  background: var(--ecg);
  color: var(--screen);
}

.button-primary:hover {
  background: var(--primary-text);
}

.button-secondary {
  border-color: var(--hairline);
  color: var(--secondary-text);
}

.button-secondary:hover {
  border-color: var(--secondary-text);
  color: var(--primary-text);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.hero-facts div {
  min-width: 0;
  padding: 12px;
  background: var(--screen);
}

.hero-facts dt,
.hero-facts dd {
  margin: 0;
}

.hero-facts dt {
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
  text-transform: uppercase;
}

.hero-facts dd {
  margin-top: 4px;
  color: var(--primary-text);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.monitor-stage {
  width: var(--panel);
}

.stage-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
}

.stage-label span:first-child {
  color: var(--ecg);
}

.vitals-panel {
  width: 400px;
  overflow: hidden;
  background: var(--screen);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-panel);
}

.panel-header,
.panel-footer {
  display: flex;
  align-items: center;
  background: var(--chrome);
}

.panel-header {
  min-height: 40px;
  gap: 8px;
  padding: 7px 11px;
  border-bottom: 1px solid var(--hairline);
}

.machine-state {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.machine-state strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#panel-clock {
  margin-left: auto;
  color: var(--secondary-text);
  font: 12px/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.battery {
  padding: 2px 4px;
  border: 1px solid rgba(63, 240, 138, 0.35);
  border-radius: 2px;
  color: var(--ecg);
  font: 10px/1 var(--font-mono);
}

.history-bar {
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 4px 10px;
  border-bottom: 1px solid var(--hairline);
  color: var(--dim-text);
  font-size: 10px;
}

.history-bar > div {
  display: flex;
  gap: 3px;
  margin-left: auto;
}

.history-bar b,
.history-bar div span {
  padding: 2px 6px;
  border-radius: 999px;
  font-weight: 500;
}

.history-bar b {
  background: rgba(63, 240, 138, 0.16);
  color: var(--ecg);
}

.diagnostic {
  min-height: 54px;
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 8px;
  margin: 8px 10px;
  padding: 8px 10px;
  background: rgba(255, 214, 69, 0.10);
  border: 1px solid rgba(255, 214, 69, 0.35);
  border-radius: var(--radius-card);
}

.diagnostic-icon {
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  border: 1px solid var(--resp);
  border-radius: 50%;
  color: var(--resp);
  font: 700 10px/1 var(--font-mono);
}

.diagnostic div {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.diagnostic strong {
  color: var(--primary-text);
  font-size: 11px;
}

.diagnostic div span {
  color: var(--secondary-text);
  font: 9px/1.4 var(--font-mono);
}

.diagnostic-action {
  color: var(--resp);
  font-size: 10px;
}

.channel {
  height: 62px;
  display: grid;
  grid-template-columns: 56px 1fr 108px;
  border-top: 1px solid var(--hairline);
}

.channel-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding-left: 10px;
}

.channel-label strong {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
}

.channel-label span {
  color: var(--dim-text);
  font-size: 9px;
}

.wave {
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(var(--gridline) 1px, transparent 1px), linear-gradient(90deg, var(--gridline) 1px, transparent 1px);
  background-size: 22px 22px;
}

.wave svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.wave polyline {
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 2.5px currentColor);
}

.channel-reading {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr auto;
  align-items: end;
  justify-items: end;
  padding: 6px 10px 6px 0;
  font-variant-numeric: tabular-nums;
}

.channel-reading strong {
  font: 700 34px/0.9 var(--font-mono);
  letter-spacing: -0.06em;
}

.channel-reading > span {
  align-self: end;
  padding-bottom: 2px;
  font-size: 12px;
  opacity: 0.6;
}

.channel-reading small {
  grid-column: 1 / 3;
  color: var(--dim-text);
  font: 9px/1.2 var(--font-mono);
}

.channel-cpu { color: var(--ecg); }
.channel-mem { color: var(--spo2); }
.channel-net { color: var(--resp); }
.channel-temp { color: var(--art); }
.channel-cpu polyline { stroke: var(--ecg); }
.channel-mem polyline { stroke: var(--spo2); }
.channel-net polyline { stroke: var(--resp); }
.channel-temp polyline { stroke: var(--art); }

.core-strip {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-top: 1px solid var(--hairline);
  color: var(--dim-text);
  font: 9px/1 var(--font-mono);
}

.core-bars {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
}

.core-bars i {
  position: relative;
  height: 12px;
  overflow: hidden;
  border-radius: 1px;
  background: var(--core-well);
}

.core-bars i::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: var(--load);
  background: var(--ecg);
  box-shadow: 0 0 2px var(--ecg);
}

.process-list {
  padding: 8px 10px;
  border-top: 1px solid var(--hairline);
}

.process-head,
.process-row {
  display: grid;
  grid-template-columns: 1fr 52px 60px;
  align-items: center;
  gap: 8px;
}

.process-head {
  padding-bottom: 4px;
  color: var(--dim-text);
  font: 9px/1.2 var(--font-mono);
}

.process-head span:not(:first-child),
.process-row b,
.process-row em {
  text-align: right;
}

.process-row {
  grid-template-columns: 20px 1fr 52px 60px;
  min-height: 28px;
  border-top: 1px solid rgba(28, 34, 38, 0.75);
}

.process-row span {
  color: var(--dim-text);
  font: 9px/1 var(--font-mono);
}

.process-row strong {
  min-width: 0;
  overflow: hidden;
  color: var(--secondary-text);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.process-row b,
.process-row em {
  font: 10px/1 var(--font-mono);
}

.process-row b { color: var(--ecg); }
.process-row em { color: var(--dim-text); font-style: normal; }

.panel-footer {
  justify-content: space-between;
  gap: 8px;
  min-height: 28px;
  padding: 7px 11px;
  border-top: 1px solid var(--hairline);
  color: var(--dim-text);
  font: 9px/1 var(--font-mono);
}

.panel-footer b {
  color: var(--secondary-text);
  font-weight: 500;
}

.signal-strip {
  border-bottom: 1px solid var(--hairline);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.signal {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 16px 24px;
  border-left: 1px solid var(--hairline);
}

.signal:last-child {
  border-right: 1px solid var(--hairline);
}

.signal span {
  font: 12px/1.2 var(--font-mono);
  letter-spacing: 0.12em;
}

.signal strong {
  margin-top: 4px;
  color: var(--secondary-text);
  font-size: 14px;
}

.signal.cpu span { color: var(--ecg); }
.signal.gpu span { color: var(--gpu); }
.signal.mem span { color: var(--spo2); }
.signal.temp span { color: var(--art); }

.section-heading {
  max-width: var(--measure);
  margin-bottom: 64px;
}

.section-heading h2,
.evidence-copy h2,
.history-heading h2,
.privacy-copy h2,
.download-panel h2 {
  margin-bottom: 24px;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child,
.evidence-copy > p,
.history-heading > p,
.privacy-copy > p,
.download-panel > div > p:last-child {
  color: var(--secondary-text);
  font-size: 16px;
}

.decision-loop {
  border-top: 1px solid var(--hairline);
}

.decision-step {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr) 280px;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--hairline);
}

.step-index {
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.1em;
}

.ecg-text { color: var(--ecg); }
.spo2-text { color: var(--spo2); }
.energy-text { color: var(--energy); }

.decision-step h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.2;
}

.decision-step p {
  margin-bottom: 0;
  color: var(--secondary-text);
}

.decision-step ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.decision-step li {
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--secondary-text);
  font-size: 14px;
}

.decision-step li::before {
  content: "＋";
  margin-right: 8px;
  color: var(--dim-text);
}

.evidence-section,
.privacy-section,
.download-section {
  background: var(--chrome);
  border-block: 1px solid var(--hairline);
}

.evidence-grid,
.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 1fr);
  align-items: center;
  gap: 96px;
}

.principle-list {
  margin-top: 48px;
  border-top: 1px solid var(--hairline);
}

.principle-list > div {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.principle-list span {
  color: var(--dim-text);
  font: 12px/1.6 var(--font-mono);
}

.principle-list p {
  margin: 0;
  color: var(--secondary-text);
  font-size: 14px;
}

.principle-list strong {
  margin-right: 8px;
  color: var(--primary-text);
}

.evidence-console {
  border: 1px solid var(--hairline);
  background: var(--screen);
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--chrome);
  border-bottom: 1px solid var(--hairline);
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
}

.console-head span:last-child {
  color: var(--resp);
}

.finding {
  margin: 16px;
  padding: 16px;
  border: 1px solid;
  border-radius: var(--radius-card);
}

.finding-memory {
  background: rgba(79, 216, 255, 0.08);
  border-color: rgba(79, 216, 255, 0.35);
}

.finding-sleep {
  background: rgba(255, 162, 62, 0.08);
  border-color: rgba(255, 162, 62, 0.35);
}

.finding-code {
  margin-bottom: 8px;
  font: 12px/1.2 var(--font-mono);
  letter-spacing: 0.08em;
}

.finding-memory .finding-code { color: var(--spo2); }
.finding-sleep .finding-code { color: var(--energy); }

.finding h3 {
  margin-bottom: 4px;
  font-size: 16px;
}

.finding p {
  margin-bottom: 12px;
  color: var(--secondary-text);
  font-size: 14px;
}

.finding-meta,
.finding-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
}

.finding-actions span,
.finding-actions b {
  padding: 8px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  font-weight: 500;
}

.finding-actions b {
  border-color: rgba(255, 162, 62, 0.35);
  color: var(--energy);
}

.console-note {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--dim-text);
  font: 12px/1.5 var(--font-mono);
}

.history-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  align-items: end;
  gap: 64px;
  margin-bottom: 48px;
}

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

.history-monitor {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background-color: var(--screen);
  background-image: linear-gradient(var(--gridline) 1px, transparent 1px), linear-gradient(90deg, var(--gridline) 1px, transparent 1px);
  background-size: 22px 22px;
}

.history-monitor-head {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--chrome);
  border-bottom: 1px solid var(--hairline);
  color: var(--ecg);
  font: 12px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
}

.history-monitor svg {
  display: block;
  width: 100%;
  height: 220px;
}

.history-line {
  fill: none;
  stroke: var(--ecg);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 2.5px var(--ecg));
}

.history-axis {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  border-top: 1px solid var(--hairline);
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
}

.gap-label {
  position: absolute;
  top: 96px;
  padding: 4px 8px;
  border: 1px solid var(--hairline);
  background: var(--screen);
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
}

.gap-one { left: 46%; }
.gap-two { left: 81%; top: 144px; }

.privacy-facts {
  margin: 0;
  border-top: 1px solid var(--hairline);
}

.privacy-facts > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.privacy-facts dt,
.privacy-facts dd {
  margin: 0;
}

.privacy-facts dt {
  color: var(--dim-text);
  font: 12px/1.5 var(--font-mono);
  text-transform: uppercase;
}

.privacy-facts dd {
  color: var(--primary-text);
  font-size: 14px;
  text-align: right;
}

.faq-grid {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 96px;
}

.faq-grid .section-heading {
  margin-bottom: 0;
}

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

details {
  border-bottom: 1px solid var(--hairline);
}

summary {
  position: relative;
  padding: 24px 48px 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  top: 24px;
  right: 0;
  color: var(--ecg);
  font: 20px/1 var(--font-mono);
}

details[open] summary::after {
  content: "−";
}

details p {
  max-width: var(--measure);
  margin: 0 0 24px;
  color: var(--secondary-text);
  font-size: 14px;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 64px;
}

.download-panel h2 {
  margin-bottom: 16px;
}

.download-panel > div > p:last-child {
  max-width: var(--measure);
  margin-bottom: 0;
}

.download-action {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-width: 224px;
}

.button-disabled {
  border-color: var(--hairline);
  color: var(--dim-text);
  cursor: not-allowed;
}

.download-action small {
  color: var(--dim-text);
  font: 12px/1.4 var(--font-mono);
  text-align: center;
}

.site-footer {
  padding-block: 32px;
  border-top: 1px solid var(--hairline);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-grid p {
  margin: 0;
  color: var(--dim-text);
  font-size: 12px;
}

.copyright {
  text-align: right;
}

@media (max-width: 960px) {
  .section { padding-block: 64px; }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-grid,
  .evidence-grid,
  .privacy-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 64px;
  }

  .hero-copy {
    max-width: var(--measure);
  }

  .monitor-stage {
    justify-self: center;
  }

  .decision-step {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 32px;
  }

  .decision-step ul {
    grid-column: 2;
  }

  .history-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer-grid > p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 800px) {
  .nav-links,
  .brand-state {
    display: none;
  }

  .release-state {
    margin-left: auto;
    padding: 8px;
  }

  .release-long {
    display: none;
  }

  .release-short {
    display: inline;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 32px), var(--content));
  }

  .nav-shell {
    min-height: 64px;
    gap: 16px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .monitor-stage {
    width: 100%;
  }

  .vitals-panel {
    width: 400px;
    max-width: 100%;
  }

  .stage-label {
    font-size: 10px;
  }

  .channel {
    grid-template-columns: 52px minmax(72px, 1fr) 104px;
  }

  .channel-reading strong {
    font-size: 32px;
  }

  .process-row:nth-of-type(4) {
    display: none;
  }

  .signal-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal:nth-child(2) {
    border-right: 1px solid var(--hairline);
  }

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

  .section-heading {
    margin-bottom: 48px;
  }

  .decision-step {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 0;
  }

  .decision-step ul {
    grid-column: auto;
  }

  .evidence-grid,
  .privacy-grid,
  .faq-grid {
    gap: 48px;
  }

  .evidence-console {
    margin-inline: -8px;
  }

  .finding-meta,
  .finding-actions {
    flex-direction: column;
  }

  .history-monitor svg {
    height: 180px;
  }

  .history-axis span:nth-child(2),
  .history-axis span:nth-child(4),
  .gap-label {
    display: none;
  }

  .download-panel {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .copyright {
    text-align: left;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}