:root {
  --black: #000;
  --panel: #171a20;
  --orange: #f5a136;
  --brand-on-dark: #f79a2a;
  --brand-on-light: #f98e27;
  --light: #fff;
  --text: #262a30;
  --safe-width: 1200px;
  --content-width: calc(var(--safe-width) * .7);
  --header-offset: 4rem;
  --section-padding: 78px;
  --section-padding-large: 155px;
  --font-cn: "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Montserrat", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@media (max-width: 1300px) {
  :root {
    --safe-width: 75vw;
  }
}

@media (min-width: 1601px) {
  :root {
    --section-padding: 73px;
    --section-padding-large: 145px;
  }
}

@media (min-width: 2240px) {
  :root {
    --section-padding: 98px;
    --section-padding-large: 195px;
  }
}

html {
  scroll-behavior: smooth;
}

.landerpi-page,
.landerpi-page * {
  box-sizing: border-box;
}

.landerpi-page {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: #000;
  color: var(--text);
  font-family: var(--font-cn);
}

.landerpi-page a {
  text-decoration: none;
}

.landerpi-page button,
.landerpi-page input {
  font: inherit;
}

.landerpi-page button {
  border: 0;
}

.landerpi-page h1,
.landerpi-page h2,
.landerpi-page h3,
.landerpi-page p,
.landerpi-page figure {
  margin: 0;
}

.landerpi-page main img,
.landerpi-page main video {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.landerpi-page [hidden] {
  display: none !important;
}

.landerpi-page .font-en {
  font-family: var(--font-en);
}

.dark-section {
  background: #000;
  color: #fff;
}

.light-section {
  background: #fff;
  color: var(--text);
}

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

.landerpi-page .site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 100%;
  height: var(--header-offset);
  background: rgba(5, 6, 9, .96);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
}

.landerpi-page .site-header.is-scrolled {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.landerpi-page .site-header__inner {
  display: flex;
  align-items: center;
  width: var(--safe-width);
  height: 100%;
  margin: 0 auto;
}

.landerpi-page .site-header-placeholder {
  display: none;
}

.landerpi-page.has-fixed-header #header {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
}

.landerpi-page .brand {
  flex: 0 0 auto;
  font-size: 1.65rem;
  font-weight: 750;
}

.landerpi-page .site-header__inner .brand .font-en {
  font-family: var(--font-en);
  color: var(--light);
}

.landerpi-page .site-nav {
  display: flex;
  gap: 2.2rem;
  margin-left: auto;
  font-size: .84rem;
}

.landerpi-page .site-nav a {
  color: rgba(255, 255, 255, .88);
  white-space: nowrap;
}

.landerpi-page .buy-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  min-width: 7rem;
  height: 2.3rem;
  margin-left: 2rem;
  background: var(--orange);
  color: #101010;
  font-size: .84rem;
  font-weight: 750;
}

.landerpi-page .buy-link span {
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  filter: brightness(0);
}

.landerpi-page .buy-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero {
  position: relative;
  z-index: 0;
  isolation: isolate;
  width: 100%;
  min-height: 0;
  aspect-ratio: 3840 / 2000;
  overflow: hidden;
  background: #151720;
  --hero-overlay-opacity: 0;
  --hero-blur: 0px;
}

.hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 1;
  background: rgba(0, 0, 0, var(--hero-overlay-opacity));
}

.hero__kv {
  width: 100%;
  min-height: 0;
  height: auto;
  object-fit: contain;
  filter: blur(var(--hero-blur));
  will-change: filter;
}

.hero__content {
  position: absolute;
  top: 20%;
  left: 50%;
  z-index: 3;
  width: var(--safe-width);
  margin: 0;
  text-align: center;
  transform: translateX(-50%);
  color: var(--light);
}

.hero h1 {
  font-size: 6rem;
  line-height: .95;
  font-weight: 800;
}

.hero p {
  margin-top: 1.2rem;
  font-size: 1.6rem;
}

.feature-mosaic {
  position: relative;
  z-index: 6;
  padding: var(--section-padding-large) 0 var(--section-padding);
  background: linear-gradient(to bottom, #161821 0%, #0b0d14 70%, #000000 100%);
}

.intro__scroll-copy {
  position: absolute;
  top: -35vh;
  right: 0;
  left: 0;
  z-index: 4;
  width: var(--safe-width);
  margin: auto;
  color: var(--light);
  opacity: 0;
  backface-visibility: hidden;
  will-change: opacity, transform;
  pointer-events: none;
}

.intro__scroll-copy h3 {
  margin-bottom: .8rem;
  font-size: clamp(1.2rem, 1.5vw, 1.5rem);
  line-height: 1.25;
  font-weight: 650;
  text-align: center;
}

.intro__scroll-copy p {
  font-size: 18px;
  line-height: 1.8;
  font-weight: 300;
  text-align: center;
}

.landerpi-page main .mosaic-copy__model-icons {
  display: block;
  width: 16rem;
  height: auto;
  margin-top: .65rem;
}

.intro__scroll-copy p+p {
  margin-top: .8rem;
}

.feature-mosaic__row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  width: var(--safe-width);
  margin: 0 auto;
}

.feature-mosaic__row+.feature-mosaic__row {
  margin-top: 1rem;
}

.mosaic-card {
  position: relative;
  flex: var(--card-weight) 1 0;
  min-width: 0;
  overflow: hidden;
  border-radius: .8rem;
}

.mosaic-card>img {
  width: 100%;
  height: auto;
  transition: transform .65s ease;
}

.mosaic-copy {
  position: absolute;
  top: 1.45rem;
  left: 1.55rem;
  z-index: 3;
  max-width: calc(100% - 3rem);
  color: var(--light);
}

.mosaic-copy h2 {
  font-size: clamp(1rem, 1.45vw, 1.5rem);
  line-height: 1.25;
  font-weight: 650;
}

.mosaic-copy p {
  margin-top: .45rem;
  color: rgba(255, 255, 255, .68);
  font-size: .9rem;
  line-height: 1.45;
}

.mosaic-card__labels {
  position: absolute;
  top: 22%;
  right: 7.5%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 29%;
  height: 62%;
  color: rgba(255, 255, 255, .72);
  font-size: .9rem;
  line-height: 1.25;
  text-align: center;
  pointer-events: none;
}

.section-heading {
  width: var(--safe-width);
  margin: 0 auto;
  text-align: left;
}

.section-heading--light {
  color: var(--text);
}

.section-heading>span {
  display: block;
  margin-bottom: .65rem;
  color: var(--brand-on-dark);
  font-size: 1.1rem;
  font-weight: 600;
}



.section-heading--light>span {
  color: var(--brand-on-light);
}

.section-heading h2,
.specs__heading h2 {
  font-size: 2.5rem;
  line-height: 1.18;
  font-weight: 650;
}

.section-heading p {
  max-width: 48rem;
  margin: 1.15rem 0 0;
  color: rgba(38, 42, 48, .68);
  font-size: 1rem;
  line-height: 1.8;
}

.dark-section .section-heading>p {
  color: rgba(255, 255, 255, .72);
}

.section-heading--light p {
  color: rgba(38, 42, 48, .68);
}

.patent-section {
  position: relative;
  z-index: 6;
  padding: var(--section-padding) 0;
  color: var(--light);
  isolation: isolate;
}

.patent-showcase {
  position: relative;
  display: block;
  width: 450px;
  min-height: 560px;
  margin: 4rem auto 0;
}

.patent-product {
  position: relative;
  z-index: 1;
  width: 450px;
  margin: 0;
}

.patent-product img {
  width: 100%;
  height: auto;
}

.patent-callouts {
  position: absolute;
  top: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 220px;
  height: 700px;
}

.patent-callouts--left {
  left: -360px;
}

.patent-callouts--right {
  right: -360px;
}

.patent-callout {
  position: relative;
  flex: 0 0 130px;
  width: 165px;
  height: 130px;
  margin: 0;
  opacity: 0;
  transform: translateY(1rem);
  transition: none;
  text-align: center;
}

.patent-showcase.is-revealed .patent-callout {
  opacity: 1;
  transform: none;
}

.patent-callout img,
.patent-callout__placeholder {
  display: block;
  width: 115px;
  height: 95px;
  object-fit: contain;
}

.patent-callout__placeholder {
  display: grid;
  place-items: center;
  padding: .4rem;
  border: 1px dashed rgba(38, 42, 48, .4);
  border-radius: .3rem;
  color: rgba(38, 42, 48, .7);
  font-size: .72rem;
  line-height: 1.25;
  text-align: center;
}

.patent-callout figcaption {
  display: block;
  margin-top: .45rem;
  color: rgba(244, 248, 255, 0.8);
  font-size: 1rem;
  line-height: 1.35;
  text-align: center;
}

.patent-line {
  position: absolute;
  /* Horizontal percentages scale from the callout width; vertical percentages scale from its height. */
  top: var(--line-top, 36.923%);
  width: var(--line-width);
  height: 100%;
  border-top: 1px dashed rgba(236, 150, 43, .9);
}

.patent-callouts--left .patent-line {
  right: 0;
  transform: translateX(100%);
}

.patent-callouts--right .patent-line {
  left: 0;
  transform: translateX(-100%);
}

.patent-line::before {
  position: absolute;
  display: var(--fold-display, none);
  content: "";
  top: -.769%;
  width: var(--fold-width, 0%);
  border-top: 1px dashed rgba(236, 150, 43, .9);
  transform: rotate(var(--fold-angle, 0deg));
  transform-origin: left center;
}

.patent-callouts--left .patent-line::before {
  left: 100%;
}

.patent-callouts--right .patent-line::before {
  right: 100%;
  transform-origin: right center;
}

.patent-line-svg {
  position: absolute;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.patent-line-svg line {
  stroke: rgba(236, 150, 43, .9);
  stroke-width: 1;
  stroke-dasharray: 4 3;
  vector-effect: non-scaling-stroke;
}

.patent-line-svg circle {
  fill: var(--brand-on-light);
}

.patent-line-svg--esp32 {
  left: 0;
}

.patent-line::after {
  position: absolute;
  top: var(--dot-y, 0%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-on-light);
  content: "";
}

.patent-callouts--left .patent-line::after {
  right: var(--dot-x, 0%);
}

.patent-callouts--right .patent-line::after {
  left: var(--dot-x, 0%);
}

.patent-callout--ultrasonic {
  --line-width: 239.571%;
  --dot-x: -.769%;
  --dot-y: -2.308%;
}

.patent-callout--battery {
  --line-width: 89.286%;
  --fold-display: block;
  --fold-width: 169%;
  --fold-angle: -43deg;
  --dot-x: -126.2%;
  --dot-y: -134.692%;
}

.patent-callout--foot {
  --line-width: 123.857%;
  --fold-display: block;
  --fold-width: 39.149%;
  --fold-angle: 30deg;
  --dot-x: -39.298%;
  --dot-y: 32.923%;
}

.patent-callout--controller {
  --line-width: 142.857%;
  --fold-display: block;
  --fold-width: 43.149%;
  --fold-angle: -51deg;
  --dot-x: -26.298%;
  --dot-y: 55.923%;
}

.patent-callout--servo {
  --line-width: 207.143%;
  --line-top: 65%;
  --dot-x: -1.034%;
  --dot-y: -2.308%;
}

.patent-callout--mount {
  --line-width: 85.714%;
  --fold-display: block;
  --fold-width: 116.667%;
  --fold-angle: 28deg;
  --dot-x: -97.333%;
  --dot-y: -58.077%;
}

.static-media-section,
.media-carousel,
.fade-feature,
.vertical-carousel-section,
.joint-video-section,
.control-section {
  position: relative;
  z-index: 6;
  isolation: isolate;
}


.static-media-section {
  padding: var(--section-padding) 0;
}

.landerpi-page main .tony-video-frame {
  width: var(--safe-width);
  margin: 4rem auto 0;
  border-radius: .8rem;
}

.landerpi-page main #hardware .tony-video-frame {
  border-radius: 10px;
}

.media-placeholder-frame {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #30343a;
  color: rgba(255, 255, 255, .68);
  font-size: 1rem;
}

.media-carousel {
  padding: var(--section-padding) 0;
  overflow: hidden;
}

.carousel-shell {
  position: relative;
  width: 100%;
  margin: 4rem auto 0;
  outline: 0;
}

.carousel-track {
  display: flex;
  align-items: center;
  gap: .5rem;
  width: max-content;
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 var(--content-width);
  width: var(--content-width);
  overflow: hidden;
  border-radius: .45rem;
  opacity: .7;
  transform: scale(.985);
  transition: opacity .42s ease, transform .42s ease;
}

.carousel-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.carousel-slide img,
.carousel-slide video {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(38, 42, 48, .2);
  border-radius: 50%;
  background: rgba(255, 255, 255, .88);
  color: var(--text);
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-arrow span {
  display: block;
  font-size: 1.8rem;
  line-height: 1;
  transform: translateY(-.1rem);
}

.carousel-arrow--prev {
  left: max(1.25rem, calc((100vw - var(--content-width)) / 2 - 4.5rem));
}

.carousel-arrow--next {
  right: max(1.25rem, calc((100vw - var(--content-width)) / 2 - 4.5rem));
}

.carousel-tabs {
  display: flex;
  width: var(--content-width);
  max-width: calc(100% - 2rem);
  min-height: 2.6rem;
  margin: 2.5rem auto 0;
  overflow: hidden;
  border-radius: 999rem;
  background: #e8e8e8;
}

.carousel-tabs button {
  flex: 1;
  min-width: 0;
  padding: 0 .7rem;
  border-radius: 999rem;
  background: transparent;
  color: rgba(38, 42, 48, .58);
  font-size: .9rem;
  white-space: nowrap;
  cursor: pointer;
  transition: color .3s ease, background-color .3s ease;
}

.carousel-tabs button:hover {
  color: var(--text);
}

.carousel-tabs button.is-active {
  background: #27282b;
  color: #fff;
  font-weight: 550;
}

.dark-section .carousel-tabs {
  background: #1c1d20;
}

.dark-section .carousel-tabs button {
  color: rgba(224, 224, 231, 0.938);
}

.dark-section .carousel-tabs button.is-active {
  background: #ffffff;
  color: rgba(20, 20, 20, 0.938);
}

.dark-section .carousel-tabs.fade-tabs button {
  /* color: rgba(32, 32, 32, 0.938); */
}

.dark-section .carousel-tabs.fade-tabs button.is-active {
  /* background: #272626; */
  /* color: rgba(253, 250, 250, 0.938); */
}

.dark-section .carousel-tabs.fade-tabs {
  background-color: #000;
}

.fade-feature {
  padding: var(--section-padding) 0;
  overflow: hidden;
}

#extensions.fade-feature {
  padding-bottom: var(--section-padding);
}

.fade-stage {
  position: relative;
  width: var(--safe-width);
  min-height: 25rem;
  margin: 4rem auto 0;
  overflow: hidden;
  border-radius: .45rem;
}


.fade-stage>[data-fade-slide] {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity .58s ease, visibility .58s ease;
}

.fade-stage>[data-fade-slide].is-active {
  position: relative;
  z-index: 2;
  opacity: 1;
  visibility: visible;
}

.fade-stage>[data-fade-slide]:not(.is-active) {
  position: absolute;
  inset: 0;
}

.fade-stage>video {
  object-fit: contain;
}

.fade-tabs {
  justify-content: center;
  gap: 2rem;
  width: min(68rem, var(--safe-width));
  max-width: var(--safe-width);
  min-height: 0;
  margin-top: 2.5rem;
  padding: 0;
  overflow: visible;
  border-radius: 0;
  background: transparent;
}

.fade-tabs button {
  flex: 1 1 0;
  height: 2.5rem;
  padding: 0 1rem;
  border-radius: 999rem;
  background: #27282b;
  color: rgba(38, 42, 48, .48);
}

.fade-tabs button:hover {
  background: #dedede;
  color: var(--text);
}

.fade-tabs button.is-active {
  background: #e9e9e9;
  color: #fff;
}

.joint-video-section {
  --joint-copy-gap: 3.25rem;
  --joint-bottom-gap: 6rem;
  --joint-initial-gap: 4rem;
  position: relative;
  width: 100%;
  min-height: 0;
  z-index: 6;
  padding: 0 0 var(--joint-bottom-gap);
  overflow: clip;
  background: #fff;
  color: var(--text);
}

.joint-video-section.is-pinned::before {
  position: fixed;
  z-index: 0;
  top: -100vh;
  right: 0;
  bottom: -100vh;
  left: 0;
  content: "";
  background: #fff;
  pointer-events: none;
}

.joint-video-section__stage {
  position: absolute;
  inset: 0 auto auto 0;
  z-index: 1;
  width: 100%;
  overflow: visible;
}

.joint-video-section__media {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #111;
  transform: translate(-50%, -50%);
  will-change: width;
}

.joint-video-section__media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.joint-video-section__copy {
  position: absolute;
  top: 16%;
  left: 50%;
  z-index: 2;
  width: var(--content-width);
  overflow: hidden;
  color: var(--text);
  /* text-shadow: 0 1px 8px rgba(0, 0, 0, .35); */
  transform: translateX(-50%);
  will-change: opacity, transform, top, height;
}

.control-section {
  --cover-dim: 0;
  z-index: 10;
  padding: var(--section-padding-large) 0 var(--section-padding);
}

.control-row {
  display: flex;
  align-items: center;
  gap: 4rem;
  width: var(--safe-width);
  margin: 3rem auto 0;
}

.control-row+.control-row {
  margin-top: 4rem;
}

.control-row--reverse {
  flex-direction: row-reverse;
}

.control-row__copy {
  flex: 1 1 0;
  min-width: 0;
}

.control-row__copy h3 {
  font-size: 1.7rem;
  line-height: 1.25;
  font-weight: 650;
}

.control-row__copy p {
  margin-top: 1rem;
  color: rgba(38, 42, 48, .66);
  font-size: 1rem;
  line-height: 1.8;
}

.control-row__media {
  flex: 3 1 0;
  min-width: 0;
}

.control-row__media img {
  width: 100%;
  height: auto;
}

.control-section::after {
  position: absolute;
  z-index: 20;
  inset: 0;
  content: "";
  pointer-events: none;
  background: #000;
  opacity: var(--cover-dim);
}

.specs {
  position: relative;
  z-index: 30;
  padding: var(--section-padding-large) 0 var(--section-padding);
  background: #fff;
}

.specs__inner {
  width: var(--safe-width);
  margin: 0 auto;
}

.specs__heading {
  margin-bottom: 5rem;
}

.specs__heading h2 {
  color: var(--text);
  font-size: 2.4rem;
}

.specs__heading p {
  margin-top: .65rem;
  color: rgba(38, 42, 48, .58);
  font-size: 1rem;
}

.specs-table {
  display: block;
  width: 100%;
  border-collapse: collapse;
  color: rgba(38, 42, 48, .82);
  font-size: 1rem;
}

.specs-table tbody {
  display: block;
}

.specs-row {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  min-height: 5.25rem;
  border-bottom: 1px solid rgba(38, 42, 48, .16);
}

.specs-row>th,
.specs-row>td {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: .75rem 1rem;
  line-height: 1.45;
  font-weight: 400;
  text-align: left;
}

.specs-row>th {
  padding-left: 2.5rem;
  color: var(--text);
  font-weight: 600;
}

.specs-row>td {
  padding-left: 2.5rem;
}

.landerpi-page .specs-drawing {
  width: 50vw;
  margin: 4rem auto 0;
}

.specs-drawing img {
  width: 100%;
  height: auto;
}

.section-cover-layer {
  isolation: isolate;
}

.product-faq {
  padding: 8rem 0 10rem;
  color: var(--text);
}

.product-faq__heading,
.product-faq__list {
  width: var(--safe-width);
  margin-right: auto;
  margin-left: auto;
}

.product-faq__heading {
  margin-bottom: 3rem;
}

.product-faq__heading h2 {
  font-size: 2.4rem;
  line-height: 1.15;
}

.product-faq__item {
  border-bottom: 1px solid rgba(38, 42, 48, .18);
}

.product-faq__item:last-child {
  border-bottom: 0;
}

.product-faq__item summary {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) 1.5rem;
  gap: 1rem;
  align-items: center;
  min-height: 5.25rem;
  cursor: pointer;
  list-style: none;
}

.product-faq__item summary::-webkit-details-marker {
  display: none;
}

.product-faq__item summary:focus-visible {
  outline: 2px solid var(--brand-on-light);
  outline-offset: -2px;
}

.product-faq__number {
  color: rgba(38, 42, 48, .6);
  font-family: var(--font-en);
  font-size: .9rem;
  font-weight: 600;
}

.product-faq__question {
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 600;
}

.product-faq__arrow {
  justify-self: end;
  width: 0;
  height: 0;
  border-right: .38rem solid transparent;
  border-left: .38rem solid transparent;
  border-top: .5rem solid rgba(38, 42, 48, .6);
  transition: transform .25s ease, border-top-color .25s ease;
}

.product-faq__item[open] .product-faq__number {
  color: var(--brand-on-light);
}

.product-faq__item[open] .product-faq__arrow {
  border-top-color: var(--brand-on-light);
  transform: rotate(180deg);
}

.product-faq__answer {
  max-width: calc(100% - 5rem);
  padding: 0 0 2.2rem 4.5rem;
  color: rgba(38, 42, 48, .68);
  font-size: 1rem;
  line-height: 1.85;
}

.product-faq__answer a {
  color: var(--brand-on-light);
}

.product-faq__message {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 8rem;
  width: min(38rem, 60%);
  height: 3.5rem;
  margin: 5rem auto 0;
  overflow: hidden;
  border-radius: 2rem;
  background: rgba(38, 42, 48, .14);
}

.product-faq__message-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.product-faq__message input {
  min-width: 0;
  padding: 0 1.75rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  text-align: center;
}

.product-faq__message input::placeholder {
  color: rgba(38, 42, 48, .6);
}

.product-faq__message button {
  background: var(--panel);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.product-faq__message button:hover {
  background: var(--brand-on-light);
  color: var(--panel);
}

.product-faq__message:focus-within {
  outline: 2px solid var(--brand-on-light);
  outline-offset: 3px;
}

.product-faq__message button:disabled {
  cursor: wait;
  opacity: .65;
}

.product-faq__success {
  position: fixed;
  inset: 0;
  width: min(30rem, calc(100% - 2rem));
  margin: auto;
  padding: 3.5rem 3rem 3rem;
  border: 0;
  border-radius: .8rem;
  background: #fff;
  color: var(--text);
  text-align: center;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .3);
}

.product-faq__success::backdrop {
  background: rgba(0, 0, 0, .56);
}

.product-faq__success-close {
  position: absolute;
  top: .8rem;
  right: .8rem;
  width: 2rem;
  height: 2rem;
  background: transparent;
  color: rgba(38, 42, 48, .6);
  font-size: 1.5rem;
  cursor: pointer;
}

.product-faq__success-mark {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1.5rem;
  border: 2px solid var(--brand-on-light);
  border-radius: 50%;
  color: var(--brand-on-light);
  font-size: 1.65rem;
  font-weight: 700;
}

.product-faq__success p {
  font-size: 1.2rem;
  line-height: 1.6;
  font-weight: 600;
}

#sensor-fusion .section-heading {
  width: var(--content-width);
}

#sensor-fusion .fade-stage {
  width: var(--content-width);
}

#spatial-perception .section-heading,
#depth-recognition .section-heading {
  text-align: center;
}

#spatial-perception .section-heading p,
#depth-recognition .section-heading p {
  margin: 1.15rem auto 0;
}



@media (max-width: 1920px) {
  .intro__scroll-copy {
    top: -36%;
  }
}

@media (max-width: 1620px) {
  .fade-stage {
    width: var(--content-width);
  }

  .intro__scroll-copy {
    top: -45%;
  }

  .landerpi-page main .tony-video-frame {
    width: var(--content-width);
  }

  #hand-eye .section-heading {
    width: var(--content-width);
  }

  #robot-arm .section-heading {
    width: var(--content-width);
  }

  .landerpi-page main .tony-video-frame {
    width: var(--content-width);
  }
}

@media (min-width: 1025px) {
  .landerpi-page .site-header-placeholder {
    display: block;
    height: var(--common-header-height, 53px);
  }
}

@media (max-width: 900px) {
  :root {
    --safe-width: calc(100vw - 2rem);
    --content-width: var(--safe-width);
    --header-offset: 3.5rem;
  }

  .landerpi-page #header {
    display: none !important;
  }

  .landerpi-page .site-header {
    width: 100vw;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .landerpi-page .site-header-placeholder {
    display: block;
    height: var(--header-offset);
  }

  .landerpi-page #footer {
    max-width: 100vw;
    overflow: hidden;
  }

  .landerpi-page .site-nav {
    display: none;
  }

  .landerpi-page .brand {
    font-size: 1.25rem;
  }

  .landerpi-page .buy-link {
    min-width: 6rem;
    height: 2rem;
    margin-left: auto;
  }

  .hero h1 {
    font-size: 3.6rem;
  }

  .hero p {
    font-size: 1.2rem;
  }

  .intro__scroll-copy {
    top: -15vh;
    width: var(--safe-width);
  }

  .intro__scroll-copy p {
    font-size: .9rem;
  }

  .feature-mosaic {
    padding: var(--section-padding-large) 0 var(--section-padding);
  }

  .feature-mosaic__row {
    flex-direction: column;
    gap: .65rem;
  }

  .feature-mosaic__row+.feature-mosaic__row {
    margin-top: .65rem;
  }

  .mosaic-card {
    flex: 0 0 auto;
    width: 100%;
  }

  .mosaic-copy {
    top: .8rem;
    left: .9rem;
  }

  .mosaic-copy h2 {
    font-size: .86rem;
  }

  .mosaic-copy p {
    display: none;
  }

  .section-heading {
    width: var(--safe-width);
  }

  .section-heading h2 {
    font-size: 1.8rem;
  }

  .section-heading p {
    margin-top: .85rem;
    font-size: .88rem;
  }

  .patent-section {
    padding: var(--section-padding) 0;
  }

  .patent-showcase {
    display: flex;
    flex-direction: column;
    width: var(--safe-width);
    min-height: 0;
    margin-top: 2.5rem;
  }

  .patent-product {
    order: 1;
    width: 100%;
  }

  .patent-callouts {
    position: static;
    order: 2;
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    width: 100%;
    height: auto;
    margin-top: 1.5rem;
  }

  .patent-callout,
  .patent-callouts--right .patent-callout {
    position: relative;
    display: flex;
    top: auto;
    right: auto;
    left: auto;
    flex: 1 1 calc(50% - .75rem);
    width: auto;
    flex-direction: column;
    justify-content: center;
    min-height: 7rem;
    text-align: center;
  }

  .patent-line,
  .patent-line-svg {
    display: none;
  }

  .patent-callout img,
  .patent-callout__placeholder {
    width: 4rem;
    height: 4rem;
  }

  .mosaic-card__labels {
    top: 14%;
    right: 4%;
    width: 30%;
    height: 60%;
    font-size: .5rem;
  }

  .static-media-section,
  .media-carousel,
  .fade-feature {
    padding: var(--section-padding) 0;
  }

  .tony-video-frame {
    width: var(--content-width);
    margin-top: 2.5rem;
  }

  .carousel-shell {
    margin-top: 2.5rem;
  }

  .carousel-slide {
    flex-basis: var(--content-width);
    width: var(--content-width);
  }

  .carousel-arrow {
    width: 2.2rem;
    height: 2.2rem;
  }

  .carousel-arrow--prev {
    left: .7rem;
  }

  .carousel-arrow--next {
    right: .7rem;
  }

  .carousel-tabs {
    max-width: var(--safe-width);
    overflow-x: auto;
    border-radius: 1.4rem;
  }

  .carousel-tabs button {
    flex: 0 0 auto;
    min-width: 7rem;
    min-height: 2.6rem;
  }

  .fade-stage {
    width: var(--content-width);
    min-height: 0;
    margin-top: 2.5rem;
  }

  .fade-tabs {
    justify-content: flex-start;
    gap: .75rem;
    width: var(--safe-width);
    padding-bottom: .25rem;
    overflow-x: auto;
    border-radius: 0;
  }

  .fade-tabs button {
    flex: 0 0 7.5rem;
    min-width: 7.5rem;
  }

  .joint-video-section {
    min-height: 0;
    padding: var(--section-padding) 0;
    overflow: hidden;
  }

  .joint-video-section__stage {
    position: relative;
  }

  .joint-video-section__media {
    position: relative;
    top: auto;
    left: auto;
    width: var(--safe-width);
    margin: 2.5rem auto 0;
    transform: none;
    border-radius: .4rem;
  }

  .joint-video-section__copy {
    position: relative;
    top: auto;
    left: auto;
    width: var(--safe-width);
    margin: 0 auto;
    color: var(--text);
    text-shadow: none;
    transform: none;
  }

  .control-section {
    padding: var(--section-padding) 0;
  }

  .control-row,
  .control-row--reverse {
    flex-direction: column;
    gap: 1.7rem;
    width: var(--safe-width);
    margin-top: 3.5rem;
    align-items: stretch;
  }

  .control-row__copy h3 {
    font-size: 1.35rem;
  }

  .specs {
    padding: var(--section-padding) 0;
  }

  .specs__inner {
    width: var(--safe-width);
  }

  .specs__heading {
    margin-bottom: 2.5rem;
  }

  .specs__heading h2 {
    font-size: 1.8rem;
  }

  .specs-row {
    grid-template-columns: 7rem minmax(0, 1fr);
    min-height: 4.5rem;
    font-size: .82rem;
  }

  .specs-row>th {
    padding: .65rem .5rem;
  }

  .specs-row>td {
    padding: .65rem .5rem;
  }

  .landerpi-page .specs-drawing {
    width: var(--safe-width);
    margin: 2.5rem auto 0;
  }

  .product-faq {
    padding: 5rem 0 6rem;
  }

  .product-faq__heading,
  .product-faq__list {
    width: var(--safe-width);
  }

  .product-faq__heading {
    margin-bottom: 1.5rem;
  }

  .product-faq__heading h2 {
    font-size: 1.8rem;
  }

  .product-faq__item summary {
    grid-template-columns: 2.5rem minmax(0, 1fr) 1rem;
    gap: .5rem;
    min-height: 4.5rem;
  }

  .product-faq__question {
    font-size: .9rem;
  }

  .product-faq__answer {
    max-width: calc(100% - 2.5rem);
    padding: 0 0 1.6rem 3rem;
    font-size: .88rem;
  }

  .product-faq__message {
    grid-template-columns: minmax(0, 1fr) 5.5rem;
    width: var(--safe-width);
    margin-top: 3.5rem;
  }

  .product-faq__message input {
    padding: 0 .75rem;
    font-size: .82rem;
  }
}

/* LanderPi page-specific component composition. */
.landerpi-page .feature-mosaic {
  background: linear-gradient(to bottom, #161821 0%, #0b0d14 70%, #000 100%);
}

.landerpi-page .control-section--feature {
  color: var(--light);
}

.landerpi-page .control-section--feature .control-row__copy>span {
  display: block;
  margin-bottom: .65rem;
  color: var(--brand-on-dark);
  font-size: 1.1rem;
  font-weight: 600;
}

.landerpi-page .control-section--feature .control-row__copy h2 {
  font-size: 2.5rem;
  line-height: 1.18;
  font-weight: 650;
}

.landerpi-page .control-section--feature .control-row__copy p {
  color: rgba(255, 255, 255, .76);
}

.landerpi-page .control-row__media {
  overflow: hidden;
  border-radius: .8rem;
}

.landerpi-page .control-row__media video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.embodied-grid-section {
  position: relative;
  z-index: 6;
  padding: var(--section-padding) 0;
  isolation: isolate;
}

.embodied-grid {
  display: flex;
  align-items: stretch;
  gap: .5rem;
  width: var(--safe-width);
  margin: 4rem auto 0;
}

.embodied-grid figure {
  flex: var(--media-weight) 1 0;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: .8rem;
}

.embodied-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#sensor-fusion .sensor-tabs {
  padding: 0;
}

.poster-section {
  position: relative;
  z-index: 6;
  min-height: 100vh;
  overflow: hidden;
  background: #090a0d;
}

.poster-section>img {
  display: block;
  width: 100%;
  min-height: 100vh;
  object-fit: cover;
}

.poster-section::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(0, 0, 0, .72), rgba(0, 0, 0, .05) 60%);
  pointer-events: none;
}

.poster-section--clear::after {
  display: none;
}

.poster-copy {
  position: absolute;
  top: 15%;
  left: calc(((100vw - var(--safe-width)) / 2) - .5%);
  z-index: 2;
  width: min(60rem, calc(var(--safe-width) * .64));
}

.poster-copy>span {
  display: block;
  margin-bottom: .65rem;
  color: var(--brand-on-dark);
  font-size: 1.1rem;
  font-weight: 600;
}

.poster-copy h2 {
  font-size: 2.5rem;
  line-height: 1.18;
  font-weight: 650;
}

.poster-copy p {
  max-width: 48rem;
  margin-top: 1.15rem;
  color: rgba(255, 255, 255, .76);
  font-size: 1rem;
  line-height: 1.8;
}

.embodied-section .section-heading {
  width: var(--content-width);
}

.embodied-section.media-carousel {
  position: relative;
  z-index: 6;
  padding: var(--section-padding) 0;
  overflow: hidden;
  background: #000;
}

.embodied-section .carousel-shell {
  position: relative;
  width: 100%;
  margin-top: 3.2rem;
  overflow: hidden;
}

.embodied-section .carousel-track {
  gap: .6rem;
}

.embodied-section .carousel-slide {
  flex: 0 0 calc(var(--safe-width) * .7);
  width: calc(var(--safe-width) * .7);
  aspect-ratio: 16 / 9;
  border-radius: .8rem;
  background: #171a20;
}

.embodied-section .carousel-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.embodied-section .carousel-arrow--prev {
  left: max(1.25rem, calc((100vw - var(--content-width)) / 2 - 5.5rem));
}

.embodied-section .carousel-arrow--next {
  right: max(1.25rem, calc((100vw - var(--content-width)) / 2 - 5.5rem));
}

.embodied-section .carousel-tabs {
  width: min(44rem, calc(100% - 2rem));
  min-height: 2.8rem;
  margin-top: 2rem;
  padding: .25rem;
  border-radius: 1.5rem;
}

.embodied-section .carousel-tabs button {
  padding: .65rem .45rem;
  border-radius: 1.2rem;
  font-size: .79rem;
  line-height: 1.25;
}

.scenario-section {
  --control-cover-dim: 0;
  position: relative;
  z-index: 6;
  padding: var(--section-padding) 0;
  isolation: isolate;
}

.scenario-section::after {
  position: absolute;
  z-index: 20;
  inset: 0;
  content: "";
  background: var(--black);
  opacity: var(--control-cover-dim);
  pointer-events: none;
}

.scenario-section__inner {
  width: var(--safe-width);
  margin: 0 auto;
}

.section-heading--left {
  width: 100%;
  text-align: left;
}

.section-heading--left p {
  margin-right: 0;
  margin-left: 0;
}

.scenario-grid {
  display: flex;
  align-items: stretch;
  gap: .75rem;
  width: 100%;
  margin-top: 3rem;
}

.scenario-grid figure {
  margin: 0;
}

.scenario-grid__main,
.scenario-grid__side {
  flex: var(--scenario-weight) 1 0;
  min-width: 0;
}

.scenario-grid__main {
  overflow: hidden;
  border-radius: .8rem;
}

.scenario-grid__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scenario-grid__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.scenario-grid__item {
  position: relative;
  overflow: hidden;
  border-radius: .8rem;
}

.scenario-grid__side img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
}

.scenario-grid__item figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  min-height: 15%;
  padding: .45rem .75rem;
  background: rgba(0, 0, 0, .58);
  color: #fff;
  font-size: 1rem;
  line-height: 1.35;
  text-align: center;
}

.landerpi-page .specs {
  z-index: 30;
}

.vertical-carousel-section {
  padding: var(--section-padding) 0;
  overflow: hidden;
}

.vertical-carousel {
  display: grid;
  grid-template-columns: 21% minmax(0, 72%);
  grid-template-areas: "nav stage";
  gap: 7%;
  align-items: center;
  width: var(--safe-width);
  margin: 4rem auto 0;
  outline: 0;
}

.vertical-carousel-section--nav-right .vertical-carousel {
  grid-template-columns: minmax(0, 72%) 21%;
  grid-template-areas: "stage nav";
}

.vertical-carousel__nav {
  grid-area: nav;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.vertical-carousel__nav button {
  width: 100%;
  min-height: 3rem;
  padding: .65rem 1rem;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, .72);
  font-size: .9rem;
  line-height: 1.3;
  cursor: pointer;
  transition: background-color .3s ease, border-color .3s ease, color .3s ease;
}

.vertical-carousel__nav button:hover,
.vertical-carousel__nav button:focus-visible {
  border-color: #fff;
  color: #fff;
}

.vertical-carousel__nav button:focus-visible {
  outline: 2px solid var(--brand-on-dark);
  outline-offset: 3px;
}

.vertical-carousel__nav button.is-active {
  border-color: #fff;
  background: #fff;
  color: #171a20;
}

.vertical-carousel__stage {
  grid-area: stage;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: .8rem;
  background: #15171b;
}

.vertical-carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.vertical-carousel__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity .58s ease, visibility .58s ease;
}

.vertical-carousel__slide.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
}

.vertical-carousel__slide video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#hardware {
  padding: var(--section-padding) 0 var(--section-padding);
}

#chassis {
  padding: var(--section-padding) 0 var(--section-padding);
}

#sensor-fusion {
  padding: var(--section-padding) 0 var(--section-padding-large);
}

#spatial-perception {
  padding: var(--section-padding-large) 0 var(--section-padding);
}

#scenarios {
  padding: var(--section-padding) 0 var(--section-padding-large);
}

#opensource .poster-copy p {
  color: #ffffff;
}

@media (max-width: 1620px) {
  .landerpi-page .specs-drawing {
    width: 70vw;
  }
}

@media (max-width: 900px) {

  .landerpi-page .control-section--feature .control-row__copy h2,
  .poster-copy h2 {
    font-size: 1.8rem;
  }

  .embodied-grid-section {
    padding: var(--section-padding) 0;
  }

  .embodied-grid {
    flex-direction: column;
    gap: .65rem;
    margin-top: 2.5rem;
  }

  .embodied-grid figure {
    flex: none;
    width: 100%;
  }

  .poster-section {
    min-height: 48rem;
  }

  .poster-section>img {
    min-height: 48rem;
    object-position: 63% center;
  }

  .poster-copy {
    top: auto;
    right: 1rem;
    bottom: 4rem;
    left: 1rem;
    width: auto;
  }

  .embodied-section .section-heading {
    width: var(--safe-width);
  }

  .embodied-section .carousel-shell {
    margin-top: 2.2rem;
  }

  .embodied-section .carousel-slide {
    flex-basis: calc(100vw - 2rem);
    width: calc(100vw - 2rem);
  }

  .embodied-section .carousel-tabs {
    justify-content: flex-start;
    width: calc(100% - 2rem);
    overflow-x: auto;
    border-radius: .8rem;
  }

  .embodied-section .carousel-tabs button {
    flex: 0 0 auto;
    padding: .7rem 1rem;
  }

  .scenario-section {
    padding: var(--section-padding) 0;
  }

  .scenario-grid {
    flex-direction: column;
    gap: .65rem;
    margin-top: 2.5rem;
  }

  .scenario-grid__side {
    gap: .65rem;
  }

  .scenario-grid__item figcaption {
    padding: .35rem .5rem;
    font-size: .78rem;
  }

  .vertical-carousel-section {
    padding: var(--section-padding) 0;
  }

  .vertical-carousel,
  .vertical-carousel-section--nav-right .vertical-carousel {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "stage"
      "nav";
    gap: 1rem;
    margin-top: 2.5rem;
  }

  .vertical-carousel__nav {
    flex-direction: row;
    gap: .65rem;
    overflow-x: auto;
    padding: .2rem;
  }

  .vertical-carousel__nav button {
    flex: 0 0 auto;
    width: auto;
    min-width: 7.5rem;
    min-height: 2.6rem;
    padding: .6rem 1rem;
  }
}