:root {
  --ink: #050607;
  --soft-ink: rgba(5, 6, 7, 0.82);
  --paper: #f3f1ee;
  --line: rgba(255, 255, 255, 0.86);
  --hud-blue: #009cff;
  --hud-blue-soft: rgba(0, 156, 255, 0.26);
  --hud-blue-faint: rgba(0, 156, 255, 0.1);
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #080c0e;
  color: var(--ink);
}

body.is-contact-open {
  overflow: hidden;
}

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

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

.specs-toggle {
  position: fixed;
  opacity: 0;
  pointer-events: none;
}

.landing {
  position: relative;
  min-height: 100svh;
  background: var(--paper);
}

.site-header {
  position: absolute;
  z-index: 50;
  top: clamp(28px, 4.1svh, 44px);
  left: clamp(28px, 3.15vw, 50px);
  right: clamp(28px, 3.15vw, 50px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink);
}

.brand,
.contact-trigger,
.specs-trigger,
.app-trigger {
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 430;
  letter-spacing: 0;
}

.brand {
  font-size: clamp(17px, 1.45vw, 21px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.1vw, 34px);
}

.specs-trigger,
.app-trigger {
  appearance: none;
  position: relative;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  user-select: none;
}

.specs-trigger::after,
.app-trigger::after,
.contact-trigger::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 180ms ease, transform 180ms ease;
}

.specs-trigger:hover::after,
.specs-toggle:checked ~ main .specs-trigger::after,
.app-trigger:hover::after,
body:has(.app-showcase.is-open) .app-trigger::after,
.contact-trigger:hover::after,
body.is-contact-open .contact-trigger::after {
  opacity: 0.58;
  transform: scaleX(1);
}

.specs-toggle:checked ~ main .specs-trigger::after,
body:has(.app-showcase.is-open) .app-trigger::after {
  background: var(--hud-blue);
  opacity: 1;
}

.contact-trigger {
  appearance: none;
  position: relative;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  user-select: none;
}

body.is-contact-open .contact-trigger::after {
  background: var(--ink);
  opacity: 1;
}

.app-trigger:focus,
.contact-trigger:focus {
  outline: none;
}

.app-trigger:focus-visible,
.contact-trigger:focus-visible {
  border-radius: 3px;
  outline: 1px solid rgba(0, 156, 255, 0.75);
  outline-offset: 6px;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 11% 13%, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0) 23rem),
    linear-gradient(118deg, #fbfaf8 0%, #e9e6e1 45%, #b9b6b2 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 42% 0 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 72% 72%, rgba(48, 49, 49, 0.44), transparent 34rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(201, 199, 195, 0.28));
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0 44% 0 0;
  background: linear-gradient(90deg, rgba(248, 247, 244, 0.98) 0%, rgba(248, 247, 244, 0.72) 54%, rgba(248, 247, 244, 0) 100%);
  pointer-events: none;
}

.hero-copy {
  position: absolute;
  z-index: 5;
  left: clamp(42px, 4.2vw, 92px);
  top: clamp(260px, 34svh, 390px);
  width: min(42vw, 560px);
  transition:
    opacity 280ms ease,
    transform 420ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 420ms ease;
}

.hero-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(96px, 10.7vw, 164px);
  font-weight: 430;
  line-height: 0.82;
  letter-spacing: 0;
}

.hero-copy p {
  margin: clamp(18px, 2.3svh, 25px) 0 0;
  color: var(--soft-ink);
  font-size: clamp(23px, 1.85vw, 30px);
  font-weight: 390;
  line-height: 1.1;
  letter-spacing: 0;
}

.robot-stage {
  position: absolute;
  z-index: 3;
  right: clamp(-86px, -3.6vw, -38px);
  bottom: 0;
  width: min(65vw, 1160px);
  aspect-ratio: 968 / 648;
  transition:
    right 520ms cubic-bezier(0.16, 1, 0.3, 1),
    width 520ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 520ms ease;
}

.robot-stage::after {
  content: "";
  position: absolute;
  display: none;
  left: 7%;
  right: 2%;
  top: 53%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 156, 255, 0.92), transparent);
  box-shadow:
    0 0 18px rgba(0, 156, 255, 0.85),
    0 0 46px rgba(0, 156, 255, 0.32);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 12%, #000 100%),
    linear-gradient(to bottom, transparent 0, #000 11%, #000 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 12%, #000 100%),
    linear-gradient(to bottom, transparent 0, #000 11%, #000 100%);
  mask-composite: intersect;
}

.callout-canvas {
  position: absolute;
  inset: 0;
  z-index: 7;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.spec-callouts {
  position: absolute;
  display: none;
  z-index: 8;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.callout-label,
.dimension-label {
  position: absolute;
  color: rgba(5, 6, 7, 0.84);
  opacity: 0;
  transform: translateY(7px);
  transition:
    opacity 260ms ease,
    transform 360ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 260ms ease;
}

.callout-label strong {
  display: block;
  color: var(--hud-blue);
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 780;
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.callout-label span {
  display: block;
  margin-top: 4px;
  font-size: clamp(12px, 0.88vw, 15px);
  line-height: 1.08;
}

.dimension-label {
  color: rgba(0, 115, 205, 0.78);
  font-size: clamp(11px, 0.86vw, 14px);
  font-weight: 500;
}

.label-vision {
  left: 71.4%;
  top: 16.8%;
}

.label-power {
  left: 27.1%;
  top: 58.6%;
}

.label-body {
  left: 38.5%;
  top: 68.4%;
}

.label-drive {
  left: 84.6%;
  top: 60.2%;
}

.label-control {
  left: 78.8%;
  top: 70.3%;
}

.dimension-length {
  left: 62.2%;
  top: 10.9%;
  transform: translate(-50%, 7px);
}

.dimension-height {
  left: 94.3%;
  top: 42.6%;
}

.dimension-wheelbase {
  left: 78.4%;
  top: 68.1%;
}

.callout-label.is-active {
  filter: drop-shadow(0 0 10px rgba(0, 156, 255, 0.22));
}

.specs-toggle:checked ~ main .hero-copy {
  opacity: 0;
  transform: translateY(-14px) scale(0.985);
  filter: blur(2px);
}

body:has(.app-showcase.is-open) .hero-copy {
  opacity: 0;
  transform: translateY(-8px);
  filter: none;
}

.specs-toggle:checked ~ main .robot-stage {
  right: 0;
  width: min(72vw, 1240px);
  filter: saturate(1.04) contrast(1.02);
}

.specs-toggle:checked ~ main .robot-stage::after {
  animation: none;
}

.specs-toggle:checked ~ main .callout-canvas,
.specs-toggle:checked ~ main .spec-callouts {
  opacity: 1;
}

.specs-toggle:checked ~ main .callout-label,
.specs-toggle:checked ~ main .dimension-label {
  transform: translateY(0);
}

.specs-toggle:checked ~ main .callout-label {
  opacity: 0;
}

.specs-toggle:checked ~ main .dimension-label {
  opacity: 0.24;
}

body[data-active-spec="vision"] .label-vision,
body[data-active-spec="drive"] .label-drive,
body[data-active-spec="body"] .label-body,
body[data-active-spec="power"] .label-power,
body[data-active-spec="control"] .label-control {
  opacity: 1;
}

.app-showcase {
  position: absolute;
  z-index: 12;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(24px);
  visibility: hidden;
  transition:
    opacity 260ms ease,
    visibility 0s linear 620ms,
    transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

.app-showcase[hidden] {
  display: none !important;
}

.app-showcase.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
  transition:
    opacity 260ms ease,
    visibility 0s linear 0s,
    transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

.app-showcase::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: clamp(330px, 22vw, 360px);
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(5, 6, 7, 0.08);
}

.app-showcase-copy {
  position: absolute;
  z-index: 2;
  left: clamp(38px, 3vw, 58px);
  top: clamp(118px, 13.2svh, 142px);
  width: clamp(274px, 18.2vw, 304px);
  color: var(--ink);
  opacity: 0;
  transform: translateX(-18px);
  transition:
    opacity 420ms 120ms ease,
    transform 620ms 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

.app-showcase.is-open .app-showcase-copy {
  opacity: 1;
  transform: translateX(0);
}

.app-showcase-copy h2 {
  margin: 0;
  font-size: clamp(58px, 5.1vw, 78px);
  font-weight: 430;
  line-height: 0.92;
  letter-spacing: 0;
}

.app-feature-list {
  display: grid;
  gap: 10px;
  margin: clamp(22px, 3.3svh, 30px) 0 0;
  padding: 0;
}

.app-feature-card {
  appearance: none;
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: clamp(62px, 7.6svh, 72px);
  padding: 10px 14px 10px 16px;
  border: 1px solid rgba(5, 6, 7, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.46);
  color: rgba(5, 6, 7, 0.88);
  font: inherit;
  text-align: left;
  box-shadow:
    0 12px 34px rgba(0, 0, 0, 0.055),
    inset 0 1px 0 rgba(255, 255, 255, 0.68);
  cursor: pointer;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.app-feature-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 4px;
  border-radius: 8px 0 0 8px;
  background: var(--hud-blue);
  opacity: 0;
  transition: opacity 160ms ease;
}

.app-feature-card:hover,
.app-feature-card:focus-visible,
.app-feature-card.is-active {
  border-color: rgba(0, 156, 255, 0.2);
  background: rgba(255, 255, 255, 0.72);
  box-shadow:
    0 16px 38px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.app-feature-card:hover,
.app-feature-card.is-active {
  transform: translateX(2px);
}

.app-feature-card:focus {
  outline: none;
}

.app-feature-card:focus-visible {
  outline: 1px solid rgba(0, 156, 255, 0.58);
  outline-offset: 3px;
}

.app-feature-card.is-active::before {
  opacity: 1;
}

.app-feature-card strong,
.app-feature-card small {
  display: block;
  letter-spacing: 0;
}

.app-feature-card strong {
  color: rgba(5, 6, 7, 0.95);
  font-size: clamp(16px, 1.02vw, 18px);
  font-weight: 610;
  line-height: 1.05;
}

.app-feature-card small {
  margin-top: 4px;
  color: rgba(5, 6, 7, 0.62);
  font-size: clamp(12px, 0.86vw, 14px);
  font-weight: 410;
  line-height: 1.1;
}

.app-feature-icon {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  color: rgba(5, 6, 7, 0.7);
}

.app-feature-icon::before,
.app-feature-icon::after {
  content: "";
  position: absolute;
}

.app-icon-speed::before {
  inset: 3px;
  border: 2px solid currentColor;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.app-icon-speed::after {
  left: 18px;
  top: 16px;
  width: 12px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transform: rotate(-43deg);
  transform-origin: left center;
}

.app-icon-camera::before {
  left: 5px;
  right: 5px;
  top: 9px;
  bottom: 7px;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.app-icon-camera::after {
  left: 14px;
  top: 15px;
  width: 8px;
  height: 8px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.app-icon-pulse::before {
  left: 3px;
  right: 3px;
  top: 16px;
  height: 2px;
  background: currentColor;
  clip-path: polygon(0 50%, 23% 50%, 34% 5%, 48% 95%, 58% 50%, 100% 50%, 100% 100%, 55% 100%, 49% 100%, 34% 27%, 26% 100%, 0 100%);
}

.app-icon-stop::before {
  inset: 5px;
  border: 2px solid currentColor;
  clip-path: polygon(28% 0, 72% 0, 100% 28%, 100% 72%, 72% 100%, 28% 100%, 0 72%, 0 28%);
}

.app-icon-stop::after {
  left: 14px;
  top: 14px;
  width: 8px;
  height: 8px;
  border: 2px solid currentColor;
  border-radius: 2px;
}

.app-icon-joystick::before {
  left: 16px;
  top: 7px;
  width: 5px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 999px;
}

.app-icon-joystick::after {
  left: 7px;
  right: 7px;
  bottom: 6px;
  height: 9px;
  border: 2px solid currentColor;
  border-radius: 50% / 70%;
}

.app-feature-card.is-active .app-feature-icon {
  color: rgba(0, 126, 230, 0.9);
}

.app-window-area {
  position: absolute;
  z-index: 3;
  left: clamp(400px, 25vw, 470px);
  right: clamp(34px, 4vw, 70px);
  top: clamp(150px, 16.2svh, 166px);
  min-height: 0;
}

.app-window-frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  width: min(100%, 1120px);
  aspect-ratio: 3344 / 1882;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background: #050607;
  box-shadow:
    0 28px 62px rgba(0, 0, 0, 0.3),
    0 8px 22px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(42px) scale(0.84);
  transform-origin: 42% 100%;
  filter: blur(8px);
  transition:
    opacity 220ms ease,
    transform 760ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 520ms ease;
}

.app-showcase.is-open .app-window-frame {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.app-window-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-highlight-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.app-highlight-box {
  position: absolute;
  left: var(--highlight-left, 39.2%);
  top: var(--highlight-top, 77.5%);
  width: var(--highlight-width, 20.4%);
  height: var(--highlight-height, 12.7%);
  border: 1px solid rgba(123, 188, 255, 0.92);
  border-radius: var(--highlight-radius, 6px);
  background: rgba(62, 147, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(0, 156, 255, 0.28),
    0 0 20px rgba(0, 156, 255, 0.62),
    0 0 48px rgba(0, 156, 255, 0.34),
    inset 0 0 22px rgba(80, 160, 255, 0.18);
  transition:
    left 260ms cubic-bezier(0.16, 1, 0.3, 1),
    top 260ms cubic-bezier(0.16, 1, 0.3, 1),
    width 260ms cubic-bezier(0.16, 1, 0.3, 1),
    height 260ms cubic-bezier(0.16, 1, 0.3, 1),
    border-radius 260ms ease;
  animation: app-highlight-glow 1600ms ease-in-out infinite alternate;
}

.app-window-frame[data-app-active-feature="speed"] {
  --highlight-left: 38.6%;
  --highlight-top: 79.0%;
  --highlight-width: 25.0%;
  --highlight-height: 14.8%;
  --highlight-radius: 6px;
}

.app-window-frame[data-app-active-feature="live"] {
  --highlight-left: 1.1%;
  --highlight-top: 12.8%;
  --highlight-width: 97.8%;
  --highlight-height: 63.6%;
  --highlight-radius: 3px;
}

.app-window-frame[data-app-active-feature="motors"] {
  --highlight-left: 89.0%;
  --highlight-top: 3.6%;
  --highlight-width: 4.5%;
  --highlight-height: 5.8%;
  --highlight-radius: 6px;
}

.app-window-frame[data-app-active-feature="stop"] {
  --highlight-left: 65.2%;
  --highlight-top: 82.7%;
  --highlight-width: 14.4%;
  --highlight-height: 11.6%;
  --highlight-radius: 7px;
}

.app-window-frame[data-app-active-feature="control"] {
  --highlight-left: 18.5%;
  --highlight-top: 80.0%;
  --highlight-width: 13.8%;
  --highlight-height: 16.0%;
  --highlight-radius: 6px;
}

@keyframes app-highlight-glow {
  from {
    box-shadow:
      0 0 0 1px rgba(0, 156, 255, 0.22),
      0 0 17px rgba(0, 156, 255, 0.52),
      0 0 42px rgba(0, 156, 255, 0.24),
      inset 0 0 18px rgba(80, 160, 255, 0.14);
  }

  to {
    box-shadow:
      0 0 0 1px rgba(0, 156, 255, 0.34),
      0 0 24px rgba(0, 156, 255, 0.72),
      0 0 58px rgba(0, 156, 255, 0.36),
      inset 0 0 26px rgba(80, 160, 255, 0.22);
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.specs-shade {
  position: fixed;
  z-index: 30;
  inset: 0;
  background:
    radial-gradient(circle at 66% 42%, rgba(0, 156, 255, 0.045), transparent 28rem),
    linear-gradient(120deg, rgba(255, 255, 255, 0.035), rgba(235, 240, 244, 0.02));
  opacity: 0;
  pointer-events: none;
  transition: opacity 360ms ease;
}

.specs-panel {
  position: fixed;
  z-index: 45;
  top: clamp(92px, 11.5svh, 122px);
  left: clamp(20px, 2.25vw, 42px);
  width: clamp(270px, 17.5vw, 294px);
  max-width: calc(100vw - 36px);
  min-height: clamp(260px, 29svh, 292px);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-24px) scale(0.985);
  transform-origin: left top;
  filter: blur(6px);
  transition:
    transform 520ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 220ms ease,
    filter 420ms ease;
}

.specs-panel::after {
  content: "";
  position: absolute;
  display: none;
  left: calc(100% - 1px);
  top: 63px;
  width: clamp(145px, 15vw, 250px);
  height: 1px;
  background:
    linear-gradient(90deg, rgba(0, 156, 255, 0.95), rgba(0, 156, 255, 0.82) 72%, transparent);
  box-shadow: 0 0 16px rgba(0, 156, 255, 0.46);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
}

.component-card-view {
  display: none;
  min-height: inherit;
  padding: 18px 17px 17px;
  border: 1px solid rgba(0, 156, 255, 0.72);
  border-radius: 8px;
  background:
    linear-gradient(140deg, rgba(44, 52, 58, 0.92), rgba(19, 25, 29, 0.88)),
    rgba(16, 21, 24, 0.86);
  box-shadow:
    0 24px 68px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 0 24px rgba(0, 156, 255, 0.14);
  backdrop-filter: blur(26px) saturate(1.06);
}

.component-card-view.is-active {
  display: block;
}

.component-card-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.component-index {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 29px;
  height: 29px;
  border: 1px solid rgba(142, 211, 255, 0.82);
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(0, 156, 255, 0.9), rgba(0, 112, 210, 0.78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    0 0 14px rgba(0, 156, 255, 0.54);
  color: #fff;
  font-size: 17px;
  font-weight: 640;
}

.component-card-head h2 {
  margin: 0;
  color: #fff;
  font-size: 20px;
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0;
}

.component-card-head p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  line-height: 1.28;
  letter-spacing: 0;
}

.specs-close {
  margin-left: auto;
  width: 25px;
  height: 25px;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  font-size: 27px;
  font-weight: 260;
  line-height: 0.8;
  cursor: pointer;
}

.specs-close:hover {
  color: #fff;
}

.component-feature-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.component-feature-list li {
  display: block;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.component-feature-list strong {
  display: block;
  color: #fff;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.08;
}

.component-feature-list span:last-child {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.25;
}

.feature-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 6px;
}

.feature-icon {
  grid-row: span 2;
  width: 34px;
  height: 34px;
}

.feature-icon::before,
.feature-icon::after {
  content: "";
  position: absolute;
  border-color: currentColor;
}

.feature-icon-camera::before {
  width: 18px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 3px;
}

.feature-icon-camera::after {
  width: 6px;
  height: 6px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.feature-icon-wheel::before {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.feature-icon-wheel::after {
  width: 2px;
  height: 22px;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  transform: rotate(45deg);
}

.feature-icon-display::before {
  width: 20px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 2px;
}

.feature-icon-display::after {
  width: 14px;
  height: 2px;
  background: currentColor;
  top: 27px;
}

.feature-icon-cube::before,
.feature-icon-layers::before {
  width: 17px;
  height: 17px;
  border: 2px solid currentColor;
  transform: rotate(30deg) skewY(-20deg);
}

.feature-icon-battery::before {
  width: 16px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 2px;
}

.feature-icon-battery::after {
  width: 8px;
  height: 2px;
  top: 6px;
  background: currentColor;
}

.feature-icon-chip::before {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 4px;
}

.feature-icon-chip::after {
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
}

.feature-icon-speed::before,
.feature-icon-axis::before,
.feature-icon-ruler::before,
.feature-icon-shell::before,
.feature-icon-clock::before,
.feature-icon-status::before,
.feature-icon-stop::before,
.feature-icon-signal::before {
  width: 19px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 13px;
  color: #48aefc;
  font-size: 14px;
  font-weight: 560;
}

.component-dock {
  position: fixed;
  z-index: 45;
  left: clamp(24px, 2.3vw, 40px);
  right: clamp(24px, 2.3vw, 40px);
  bottom: clamp(22px, 3svh, 38px);
  display: grid;
  grid-template-columns: minmax(130px, 0.62fr) repeat(5, minmax(150px, 1fr));
  align-items: center;
  min-height: 96px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.31), rgba(255, 255, 255, 0.15)),
    rgba(102, 109, 114, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 18px 56px rgba(22, 28, 32, 0.14);
  backdrop-filter: blur(24px) saturate(1.05);
  opacity: 0;
  pointer-events: none;
  transform: translateY(24px);
  transition:
    opacity 260ms ease,
    transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.dock-label {
  padding: 0 10px;
  color: rgba(5, 6, 7, 0.42);
  font-size: 11px;
  font-weight: 740;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.dock-item {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  border: 0;
  border-left: 1px solid rgba(5, 6, 7, 0.16);
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.dock-item {
  padding: 10px 20px;
  border-radius: 6px;
}

.dock-item.is-active {
  border: 1px solid rgba(0, 156, 255, 0.72);
  background: rgba(255, 255, 255, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 0 26px rgba(0, 156, 255, 0.16);
  color: rgba(5, 6, 7, 0.86);
}

.dock-item strong {
  display: block;
  color: inherit;
  font-size: 15px;
  font-weight: 680;
  letter-spacing: 0;
}

.dock-item small {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  line-height: 1.15;
}

.dock-item.is-active small {
  color: rgba(5, 6, 7, 0.68);
}

.dock-number {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1.5px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 680;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.dock-item.is-active .dock-number {
  border-color: rgba(0, 156, 255, 0.92);
  color: var(--hud-blue);
  background: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 0 18px rgba(0, 156, 255, 0.18),
    inset 0 0 0 1px rgba(0, 156, 255, 0.12);
}

.specs-toggle:checked ~ .specs-shade {
  opacity: 1;
  pointer-events: none;
}

.specs-toggle:checked ~ .specs-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) scale(1);
  filter: blur(0);
}

.specs-toggle:checked ~ .specs-panel::after {
  animation: none;
}

body:not([data-active-spec="vision"]) .specs-toggle:checked ~ .specs-panel::after {
  display: none;
}

.specs-toggle:checked ~ .component-dock {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.contact-modal {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 360ms ease,
    visibility 0s linear 520ms;
}

.contact-modal[hidden] {
  display: none !important;
}

.contact-modal.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition:
    opacity 360ms ease,
    visibility 0s linear 0s;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(245, 244, 241, 0);
  opacity: 0;
  backdrop-filter: blur(0) saturate(1);
  transition:
    opacity 520ms ease,
    background 520ms ease,
    backdrop-filter 520ms ease;
  will-change: opacity, backdrop-filter;
}

.contact-modal.is-open .contact-modal-backdrop {
  background: rgba(245, 244, 241, 0.38);
  opacity: 1;
  backdrop-filter: blur(10px) saturate(1.03);
}

.contact-form {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  max-height: calc(100svh - 48px);
  overflow-y: auto;
  padding: clamp(26px, 3.1vw, 38px) clamp(28px, 3.4vw, 46px) 22px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.66), rgba(236, 234, 230, 0.42)),
    rgba(244, 243, 240, 0.58);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(22px) saturate(1.08);
  color: var(--ink);
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  transition:
    opacity 240ms 80ms ease,
    transform 520ms 80ms cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-modal.is-open .contact-form {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.contact-close {
  appearance: none;
  position: absolute;
  top: 24px;
  right: 28px;
  width: 30px;
  height: 30px;
  border: 0;
  background: transparent;
  color: rgba(5, 6, 7, 0.68);
  font-size: 36px;
  font-weight: 250;
  line-height: 0.72;
  cursor: pointer;
}

.contact-close:hover {
  color: var(--ink);
}

.contact-form h2 {
  margin: 0 42px 20px 0;
  font-size: clamp(28px, 2.1vw, 36px);
  font-weight: 670;
  line-height: 1;
  letter-spacing: 0;
}

.contact-form label {
  display: grid;
  gap: 7px;
  margin-top: 15px;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.contact-form label span {
  font-size: 15px;
  font-weight: 560;
  color: rgba(5, 6, 7, 0.92);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(5, 6, 7, 0.24);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.contact-form input {
  height: 48px;
  padding: 0 16px;
}

.contact-form textarea {
  min-height: 84px;
  padding: 12px 16px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(5, 6, 7, 0.48);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(0, 156, 255, 0.82);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 0 0 3px rgba(0, 156, 255, 0.14);
}

.contact-submit {
  appearance: none;
  width: 100%;
  height: 50px;
  margin-top: 20px;
  border: 0;
  border-radius: 7px;
  background: linear-gradient(180deg, #141414, #050607);
  color: white;
  font: inherit;
  font-size: 16px;
  font-weight: 520;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 14px 28px rgba(0, 0, 0, 0.12);
}

.contact-submit:hover {
  background: linear-gradient(180deg, #222, #070809);
}

.contact-submit:disabled {
  cursor: wait;
  opacity: 0.64;
}

.contact-status {
  min-height: 18px;
  margin: 10px 0 0;
  color: rgba(5, 6, 7, 0.54);
  font-size: 13px;
  text-align: center;
}

@keyframes hud-draw {
  0% {
    opacity: 0;
    stroke-dashoffset: 1;
  }

  8% {
    opacity: 1;
  }

  100% {
    opacity: 1;
    stroke-dashoffset: 0;
  }
}

@keyframes pin-pop {
  0% {
    opacity: 0;
    transform: scale(0.35);
  }

  70% {
    opacity: 1;
    transform: scale(1.35);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes label-in {
  0% {
    opacity: 0;
    transform: translateY(7px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .landing {
    min-height: 100svh;
  }

  .site-header {
    top: 18px;
    left: 18px;
    right: 18px;
  }

  .brand {
    font-size: 13px;
    font-weight: 560;
  }

  .site-nav {
    gap: 18px;
  }

  .contact-trigger,
  .specs-trigger,
  .app-trigger {
    font-size: 12px;
  }

  .hero::after {
    inset: 0 0 42% 0;
    background: linear-gradient(180deg, rgba(248, 247, 244, 1) 0%, rgba(248, 247, 244, 0.9) 58%, rgba(248, 247, 244, 0) 100%);
  }

  .hero-copy {
    left: 22px;
    top: 22svh;
    width: calc(100% - 44px);
  }

  .hero-copy h1 {
    font-size: clamp(78px, 23vw, 112px);
  }

  .hero-copy p {
    max-width: 340px;
    margin-top: 12px;
    font-size: clamp(22px, 7vw, 32px);
  }

  .robot-stage,
  .specs-toggle:checked ~ main .robot-stage {
    width: 160vw;
    right: -56vw;
  }

  .app-showcase::before {
    display: none;
  }

  .app-showcase-copy {
    left: 22px;
    top: 10svh;
    width: calc(100vw - 44px);
  }

  .app-showcase-copy h2 {
    font-size: clamp(46px, 14vw, 68px);
  }

  .app-feature-list {
    grid-template-columns: repeat(5, 180px);
    gap: 10px;
    margin-top: 18px;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .app-feature-card {
    min-height: 68px;
    grid-template-columns: 42px 1fr;
    padding: 12px;
  }

  .app-feature-icon {
    width: 30px;
    height: 30px;
  }

  .app-feature-card strong {
    font-size: 14px;
  }

  .app-feature-card small {
    font-size: 11px;
  }

  .app-window-area {
    left: 22px;
    right: 22px;
    top: 48svh;
    min-height: 0;
  }

  .app-window-frame {
    width: 100%;
    transform-origin: 50% 100%;
  }

  .spec-callouts {
    display: none;
  }

  .specs-panel {
    top: 54px;
    left: 10px;
    right: 10px;
    width: auto;
    max-width: none;
    min-height: auto;
  }

  .specs-panel::after {
    display: none;
  }

  .component-card-view {
    min-height: auto;
    padding: 18px;
  }

  .component-dock {
    left: 10px;
    right: 10px;
    bottom: 10px;
    grid-template-columns: 110px repeat(5, 170px);
    min-height: 84px;
    overflow-x: auto;
    padding: 10px;
  }

  .dock-item {
    min-height: 58px;
    padding: 8px 12px;
  }

  .contact-modal {
    padding: 16px;
  }

  .contact-form {
    max-height: calc(100svh - 32px);
    padding: 26px 22px 20px;
    border-radius: 14px;
  }

  .contact-close {
    top: 22px;
    right: 22px;
  }

  .contact-form h2 {
    font-size: 28px;
  }

  .contact-form input,
  .contact-submit {
    height: 46px;
  }

  .contact-form textarea {
    min-height: 76px;
  }
}

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

  .specs-shade,
  .specs-panel,
  .component-dock,
  .hero-copy,
  .robot-stage,
  .app-showcase,
  .app-showcase-copy,
  .app-window-frame,
  .app-feature-card,
  .app-highlight-box,
  .callout-canvas,
  .spec-callouts,
  .callout-label,
  .dimension-label,
  .specs-trigger::after,
  .app-trigger::after,
  .contact-trigger::after,
  .contact-modal,
  .contact-form {
    transition: none;
  }

  .specs-toggle:checked ~ main .robot-stage::after {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .app-highlight-box {
    animation: none;
  }
}
