:root {
  --sensor-ink: #0b0c0e;
  --sensor-muted: #4f5762;
  --sensor-line: #e1e4e8;
  --sensor-surface: #eef1f4;
  --sensor-display: 'Space Grotesk', system-ui, sans-serif;
  --sensor-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  color: var(--sensor-ink);
  background: #fff;
  font-family: Inter, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid #3868c0;
  outline-offset: 4px;
}

.sensor-nav .nav-links a[aria-current="page"] { color: var(--sensor-ink); font-weight: 600; }
.sensor-nav .nav-right .btn { gap: 8px; }
.sensor-wrap { width: min(100% - 80px, 1280px); margin-inline: auto; }

.sensor-hero {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(28px, 5vw, 78px);
  padding: clamp(38px, 6vw, 92px) 0 clamp(56px, 8vw, 110px);
}
.sensor-hero h1, .sensor-models h2, .sensor-model h3 {
  margin: 0;
  font-family: var(--sensor-display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -.052em;
}
.sensor-hero h1 { font-size: clamp(62px, 7.25vw, 110px); }
.sensor-hero-copy p {
  margin: 24px 0 30px;
  max-width: 40ch;
  color: var(--sensor-muted);
  font-size: clamp(16px, 1.5vw, 19px);
}
.sensor-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.sensor-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 47px;
  padding: 11px 20px;
  border: 1px solid #cdd2da;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .2s, background-color .2s;
}
.sensor-button:hover { border-color: var(--sensor-ink); background-color: #f4f5f7; }
.sensor-button-primary { border-color: var(--sensor-ink); background: var(--sensor-ink); color: #fff; }
.sensor-button-primary:hover { background: #2a2d33; }

.sensor-hero-media, .sensor-model-media { margin: 0; background: var(--sensor-surface); }
.sensor-hero-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border-radius: 24px;
  box-shadow: 0 16px 48px -42px #172437;
}
.sensor-hero-media img, .sensor-model-media img { width: 100%; height: 100%; object-fit: cover; }
.sensor-hero-media figcaption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #fff;
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(255, 255, 255, .9);
  color: var(--sensor-muted);
  font: 10px var(--sensor-mono);
}
.sensor-model-dot { width: 6px; height: 6px; border-radius: 50%; background: #33588b; }

.sensor-models { padding-bottom: clamp(52px, 8vw, 112px); }
.sensor-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.sensor-models h2 { font-size: clamp(36px, 5.2vw, 68px); }
.sensor-section-head p { margin: 0; color: var(--sensor-muted); font-size: 13px; }
.sensor-model-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(14px, 2vw, 26px); }
.sensor-model {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sensor-line);
  border-radius: 22px;
}
.sensor-model-pro { border-color: #becbdc; }
.sensor-model-media { aspect-ratio: 1.85; }
.sensor-model-body { display: flex; flex: 1; flex-direction: column; padding: clamp(19px, 3.1vw, 37px); }
.sensor-model-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sensor-model h3 { font-size: clamp(31px, 4.1vw, 47px); }
.sensor-model-tag {
  border-radius: 999px;
  background: #eff1f4;
  padding: 6px 11px;
  color: #39424e;
  font: 11px var(--sensor-mono);
  white-space: nowrap;
}
.sensor-model-pro .sensor-model-tag { background: #e7eff9; color: #234577; }
.sensor-model-body p { margin: 12px 0 22px; color: var(--sensor-muted); font-size: 15px; }
.sensor-specs { margin: auto 0 0; }
.sensor-specs > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--sensor-line);
  font-size: clamp(12px, 1.18vw, 14px);
}
.sensor-specs dt { color: var(--sensor-muted); }
.sensor-specs dd { margin: 0; text-align: right; }

.sensor-demo-wrap #depth-demo { padding: 0; scroll-margin-top: 0; }
.sensor-demo-wrap { margin-bottom: clamp(56px, 8vw, 114px); }
.sensor-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--sensor-line);
  padding-block: 28px 38px;
}
.sensor-footer img { width: auto; height: 15px; }
.sensor-footer div { display: flex; gap: 19px; }
.sensor-footer div a { color: var(--sensor-muted); font-size: 13px; text-decoration: none; }
.sensor-footer div a:hover { color: var(--sensor-ink); text-decoration: underline; }

@media (min-width: 901px) and (max-width: 1280px) {
  .sensor-nav .nav-links > a:not(.nav-sensor) { display: inline; }
}
@media (max-width: 900px) {
  .sensor-wrap { width: calc(100% - 48px); }
  .sensor-hero { grid-template-columns: 1fr; gap: 26px; }
  .sensor-hero-copy p { max-width: 52ch; }
  .sensor-hero-media { max-height: 455px; }
}
@media (max-width: 640px) {
  .sensor-wrap { width: calc(100% - 36px); }
  .sensor-nav .brand img { height: 14px; }
  .sensor-nav .nav-right .btn { font-size: 12px; padding: 8px 12px; }
  .sensor-hero h1 { font-size: clamp(52px, 14vw, 82px); }
  .sensor-hero-copy p { margin: 16px 0 22px; }
  .sensor-hero-media, .sensor-model { border-radius: 17px; }
  .sensor-model-grid { grid-template-columns: 1fr; }
  .sensor-footer { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sensor-button { transition: none; }
}