* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #000000;
  --black-2: #101114;
  --orange: #f39a35;
  --light: #fff;
  --text: #2f3338;
  --safe-width: 1200px;
  --content-width: calc(var(--safe-width) * .7);
  --page: 60rem;
  --header-offset: 4rem;
  --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;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--black);
  color: #fff;
  font-family: var(--font-cn);
}

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

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

button {
  font: inherit;
}

img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

.dark-section {
  background: var(--black);
  color: #fff;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  width: 100%;
  height: 4rem;
  background: rgba(8, 8, 8, 0.95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

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

.site-header.is-scrolled {
  height: 4rem;
  background: rgba(8, 8, 8, 0.98);
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-header-placeholder {
  display: none;
  height: 0 !important;
}

body.has-fixed-header .site-header-placeholder {
  display: none;
}

body:not(.has-fixed-header) .site-header {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
}

body.has-fixed-header #header {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  transition: all 0.3s ease;
}

.brand {
  font-size: 1.6667rem;
  font-weight: 700;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8333rem;
}

.site-nav a {
  white-space: nowrap;
}

.buy-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-width: 7.25rem;
  height: 2.3rem;
  margin-left: 2rem;
  background: var(--orange);
  color: #0a0a0a;
  font-size: 0.8333rem;
  font-weight: 800;
}

.buy-link span,
.orange-link span {
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  color: var(--orange);
  font-size: 0.8333rem;
  filter: brightness(0);
}

.hero {
  position: relative;
  z-index: 0;
  overflow: hidden;
  background: #111216;
  isolation: isolate;
  margin-top: 53px;
  --hero-overlay-opacity: 0;
  --hero-blur: 0px;
}

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

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



.hero__content {
  position: absolute;
  top: 20%;
  left: 50%;
  z-index: 2;
  width: min(var(--page), calc(100% - 3rem));
  text-align: center;
  transform: translateX(-50%);
}

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

.hero p {
  margin-top: 1.25rem;
  font-size: 1.6rem;
}

.intro__scroll-copy {
  position: absolute;
  z-index: 4;
  top: -30vh;
  right: 0;
  left: 0;
  width: var(--safe-width);
  margin-inline: auto;
  color: #fff;
  opacity: 0;
  pointer-events: none;
}

.intro__scroll-copy h2 {
  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 {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
  font-weight: 300;
  text-align: center;
}

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

.feature-mosaic {
  padding: 10vh 0 14vh;
}

.mosaic-grid {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  width: var(--safe-width);
  margin: 0 auto;
}

.mosaic-stack {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  gap: 1.2rem;
  min-width: 0;
}

.mosaic-row {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  gap: 1.2rem;
  min-width: 0;
  width: 100%;
}

.mosaic-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  align-self: flex-start;
  overflow: hidden;
  border-radius: .5rem;
  background: transparent;
}

.mosaic-card--tall {
  flex: 0 0 25.85%;
}

.mosaic-card--motion {
  flex: .9936 1 0;
}

.mosaic-card--metal {
  flex: 1.7516 1 0;
}

.mosaic-card--coding {
  flex: 1.7575 1 0;
}

.mosaic-card--sensor {
  flex: .9936 1 0;
}

.mosaic-card img {
  /* width: 100%; */
  height: auto;
  object-fit: initial;
  object-position: center;
  transition: transform .7s ease;
}

.mosaic-card:hover img {
  transform: scale(1.035);
}

.mosaic-card:hover .nexarm-teleop-ai-logo {
  transform: scale(1);
}

.mosaic-copy {
  position: absolute;
  top: 1.7rem;
  left: 1.9rem;
  z-index: 2;
  max-width: calc(100% - 2.8rem);
}

.mosaic-copy span {
  display: block;
  margin-bottom: .55rem;
  color: var(--orange);
  font-size: .9rem;
}

.mosaic-copy h3 {
  font-size: 1.55rem;
  line-height: 1.25;
  font-weight: 600;
}

.mosaic-card h3 span {
  display: inline-block;
  font-size: 2.8rem;
  line-height: 0.82;
  font-weight: 700;
  color: #ffffff;
}

.mosaic-copy h3 b {
  font-size: 2.2rem;
  line-height: 1.25;
  font-weight: 600;
}

.mosaic-copy p {
  margin-top: .7rem;
  color: rgba(255, 255, 255, .76);
  font-size: .9rem;
  line-height: 1.45;
}

.section-heading {
  position: relative;
  width: var(--page);
  margin: 0 auto;
}

.section-heading span,
.poster-copy span {
  display: block;
  margin-bottom: .65rem;
  color: var(--orange);
  font-size: 1rem;
}

.section-heading h2,
.poster-copy h2 {
  font-size: 2.5rem;
  line-height: 1.15;
  font-weight: 700;
}

.section-heading p,
.poster-copy p {
  margin-top: 1.4rem;
  color: rgba(255, 255, 255, .76);
  font-size: 1rem;
  line-height: 1.55;
}

.hardware-showcase {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #000000;
}

.hardware-showcase__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding: 8vh 0;
}

.hardware-showcase .section-heading {
  z-index: 2;
  width: var(--safe-width);
}

.hardware-showcase__media {
  width: min(72vw, 86rem);
  margin: 12vh auto 0;
  transform-origin: center center;
}

.hardware-showcase__media img {
  max-height: 50vh;
  object-fit: contain;
}

.hardware-showcase--annotated .hardware-showcase__media {
  position: relative;
}

.hardware-callout-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hardware-callout {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  width: auto;
  color: #fff;
  opacity: 0;
  visibility: hidden;
}

.hardware-callout--left {
  justify-content: flex-end;
  text-align: right;
}

.hardware-callout--right {
  justify-content: flex-start;
  text-align: left;
}

.hardware-callout__text {
  flex: 0 0 auto;
  color: rgba(255, 255, 255, .92);
  font-size: clamp(.8rem, .94vw, 1.12rem);
  line-height: 1.35;
  white-space: nowrap;
}

.hardware-callout__line {
  position: relative;
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  margin: 0 .8rem;
  border-top: 1px dashed rgba(255, 255, 255, .68);
  transform: scaleX(0);
}

.hardware-callout__dot {
  position: absolute;
  top: 50%;
  display: block;
  width: .55rem;
  height: .55rem;
  border: 1px solid rgba(255, 192, 91, .9);
  border-radius: 50%;
  background: #ee9530;
  box-shadow: 0 0 0 .35rem rgba(238, 149, 48, .16), 0 0 1rem rgba(238, 149, 48, .48);
  transform: translateY(-50%);
}

.hardware-callout--left .hardware-callout__line {
  margin-right: 0;
  transform-origin: right center;
}

.hardware-callout--left .hardware-callout__dot {
  left: -.25rem;
}

.hardware-callout--right .hardware-callout__line {
  margin-left: 0;
  transform-origin: left center;
}

.hardware-callout--right .hardware-callout__dot {
  right: -.25rem;
}

.hardware-callout--controller {
  top: 14%;
  left: 6%;
  right: 61%;
}

.hardware-callout--mount {
  top: 5%;
  left: 58%;
  right: 1%;
}

.hardware-callout--sensor {
  top: 26%;
  left: 5%;
  right: 61%;
}

.hardware-callout--battery {
  top: 22%;
  left: 50%;
  right: 2%;
}

.hardware-callout--frame {
  top: 61%;
  left: 59%;
  right: 5%;
}

.hardware-callout--servo {
  top: 75%;
  left: 62%;
  right: 6%;
}

.hardware-callout--kinematics {
  top: 65%;
  left: 0.5%;
  right: 53%;
}

.hardware-callout--joints {
  top: 86%;
  left: 3.5%;
  right: 57%;
}

.hardware-callout--gait {
  top: 20%;
  left: 51%;
}

.hardware-showcase--vertical-callouts .hardware-callout {
  display: flex;
  flex-direction: column;
  width: auto;
  transform: translateX(-50%);
  text-align: center;
}

.hardware-showcase--vertical-callouts .hardware-callout__line {
  flex: 0 0 auto;
  width: 0;
  height: clamp(2.5rem, 3.2vw, 4rem);
  min-width: 0;
  margin: .7rem 0 0;
  border-top: 0;
  border-left: 1px dashed rgba(255, 255, 255, .68);
  transform: scaleY(0);
  transform-origin: bottom center;
}

.hardware-showcase--vertical-callouts .hardware-callout__dot {
  top: 0;
  left: 50%;
  right: auto;
  transform: translate(-50%, -50%);
}

.hardware-showcase--full {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  background: #000000;
}

.hardware-showcase--full .hardware-showcase__inner {
  padding-bottom: 0;
}

.hardware-showcase--full .hardware-showcase__media {
  width: 100%;
  margin-top: 0vh;
}

.hardware-showcase--full .hardware-showcase__media img {
  width: 100%;
  max-height: none;
  object-fit: contain;
}

.media-carousel {
  position: relative;
  padding: 8vh 0 16vh;
  overflow: hidden;
}

#sensors.media-carousel {
  padding: 16vh 0 16vh;
  margin-top: -2px;
  z-index: 20;
}

#sandbox.media-carousel {
  padding: 16vh 0 16vh;
}

#ros-development.media-carousel {
  padding: 16vh 0 28vh;
}

#openclaw.media-carousel {
  padding: 8vh 0 8vh;
}

.media-carousel .section-heading {
  width: calc(var(--safe-width) * 0.7);
  padding-left: 1%;
}

#sandbox [data-carousel-description-target] {
  min-height: 3.1em;
  white-space: pre-line;
}

.carousel-shell {
  position: relative;
  width: 100%;
  margin-top: 3rem;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: .5rem;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 calc(var(--safe-width) * 0.7);
  overflow: hidden;
  border-radius: .5rem;
  background: #17181b;
  transform-origin: center center;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#openclaw .carousel-slide {
  position: relative;
}

#openclaw .carousel-slide__image {
  transition: opacity .3s ease;
}

#openclaw .carousel-slide__image--inactive {
  position: relative;
  z-index: 1;
  opacity: 1;
}

#openclaw .carousel-slide__image--active {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
}

#openclaw .carousel-slide.is-active .carousel-slide__image--inactive {
  opacity: 0;
}

#openclaw .carousel-slide.is-active .carousel-slide__image--active {
  opacity: 1;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.3rem;
  height: 3.3rem;
  padding: 0;
  border: 0;
  border-radius: 999rem;
  background: rgba(26, 24, 24, 0.3);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-arrow>span {
  display: block;
  line-height: 1;
  transform: translateY(-.06em);
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, .2);
}

.carousel-arrow[hidden] {
  display: none;
}

.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: calc(var(--safe-width) * 0.7);
  max-width: calc(100% - 2rem);
  min-height: 2.6rem;
  margin: 2rem auto 0;
  padding: .25rem;
  border-radius: 999rem;
  background: #1c1d20;
}

.carousel-tabs button {
  flex: 1;
  min-width: 0;
  border: 0;
  border-radius: 1rem;
  background: transparent;
  color: rgba(255, 255, 255, .7);
  font-size: .82rem;
  cursor: pointer;
  white-space: nowrap;
}

.carousel-tabs button.is-active {
  background: #fff;
  color: #111;
  font-weight: 550;
}

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

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

.poster-section>video {
  height: 100vh;
}


.poster-copy {
  position: absolute;
  top: 22%;
  left: calc(((100vw - var(--safe-width)) / 2) - 0.4%);
  z-index: 2;
  width: 45rem;
}

.joint-video-section {
  position: relative;
  width: 100%;
  padding: 0 0 8vh;
  overflow: clip;
  background: #050505;
}

.joint-video-section__stage {
  position: absolute;
  top: 0;
  left: 0;
  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;
  left: 50%;
  width: calc(var(--safe-width) * 0.7);
  overflow: hidden;
  transform: translateX(-50%);
  will-change: opacity, transform;
  padding-left: 1%;
}

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

.sticky-cover-content {
  position: relative;
  z-index: 10;
}

.specs {
  z-index: 3;
  padding: 10vh 0 6rem;
  background: #fff;
}

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

.specs__heading {
  margin-bottom: 5rem;
}

.specs__heading h2 {
  color: #30343a;
  font-size: 2.4rem;
  line-height: 1.15;
}

.specs__heading p {
  margin-top: .65rem;
  color: #757a80;
  font-size: 1rem;
}

.specs-table {
  display: block;
  width: 100%;
  border-collapse: collapse;
  color: #4d535b;
  font-size: 1rem;
}

.specs-table tbody {
  display: block;
}

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

.specs-row {
  display: grid;
  grid-template-columns: 13.5rem repeat(3, 1fr);
  min-height: 5.25rem;
  border-bottom: 1px solid #d7d9dd;
}

.specs-row>th,
.specs-row>td {
  display: flex;
  align-items: center;
  min-width: 0;
  line-height: 1.45;
  text-align: left;
}

.specs-label {
  padding-left: 25%;
  color: #424242;
  font-weight: 600;
}

.specs-value {
  grid-column: 2 / 5;
  padding-left: 15.4rem;
}

.specs-row:last-child {
  /* border-bottom: 0; */
}

.specs__image {
  width: 25vw;
  margin: 4rem auto 0;
}

.product-faq {
  width: var(--safe-width);
  margin: 0 auto;
  padding-top: 8rem;
  color: #30343a;
}

.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 #d7d9dd;
}

.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;
  color: #30343a;
  cursor: pointer;
  list-style: none;
}

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

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

.product-faq__number {
  color: #757a80;
  font-family: var(--font-en);
  font-size: .9rem;
  font-weight: 600;
  transition: color .25s ease;
}

.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 #757a80;
  transition: transform .25s ease, border-top-color .25s ease;
}

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

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

.product-faq__answer {
  max-width: calc(100% - 5rem);
  padding: 0 0 2.2rem 4.5rem;
  color: #757a80;
  font-size: 1rem;
  line-height: 1.85;
}

.product-faq__answer a {
  color: var(--orange);
}

.product-faq__answer p+p {
  margin-top: .65rem;
}

.product-faq__answer strong {
  color: #4d535b;
}

.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: #d7d9dd;
}

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

.product-faq__message input {
  min-width: 0;
  padding: 0 1.75rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: #30343a;
  font: inherit;
  text-align: center;
}

.product-faq__message input::placeholder {
  color: #757a80;
  opacity: 1;
}

.product-faq__message button {
  border: 0;
  background: var(--black);
  color: var(--light);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease;
}

.product-faq__message button:hover {
  background: var(--orange);
  color: var(--black);
}

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

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

.product-faq__success {
  position: fixed;
  inset: 0;
  width: min(30rem, calc(100% - 2rem));
  margin: auto;
  padding: 3.5rem 3rem 3rem;
  border: 0;
  border-radius: .5rem;
  background: var(--light);
  color: #30343a;
  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[open] {
  animation: faq-dialog-in .25s ease both;
}

.product-faq__success-close {
  position: absolute;
  top: .8rem;
  right: .8rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  color: #757a80;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.product-faq__success-close:hover,
.product-faq__success-close:focus-visible {
  color: var(--black);
}

.product-faq__success-close:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 1px;
}

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

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

@keyframes faq-dialog-in {
  from {
    opacity: 0;
    transform: translateY(1rem) scale(.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reveal-block {
  will-change: opacity, transform;
}

@media (max-width: 1920px) {
  .hardware-callout--controller {
    top: 14%;
    left: 6%;
    right: 59%;
  }
}

@media (max-width: 1024px) {
  :root {
    --safe-width: calc(100vw - 3rem);
    --page: calc(100vw - 3rem);
  }

  .site-nav {
    gap: 1.1rem;
  }

  .buy-link {
    margin-left: 1rem;
  }

  .hero h1 {
    font-size: 4.8rem;
  }

  .mosaic-copy {
    top: 1.25rem;
    left: 1.35rem;
    max-width: calc(100% - 2.7rem);
  }

  .mosaic-copy h3 {
    font-size: 1.25rem;
  }

  .mosaic-copy p {
    font-size: .78rem;
  }

  .media-carousel .section-heading {
    width: 48%;
  }

  .carousel-slide {
    flex-basis: 42vw;
  }
}

@media (max-width: 900px) {

  .site-header,
  .site-header.is-scrolled {
    height: 4.5rem;
  }

  .site-header__inner {
    width: calc(100vw - 2rem);
  }

  .site-nav {
    display: none;
  }

  .brand {
    font-size: 1.5rem;
  }

  .buy-link {
    min-width: auto;
    margin-left: 1rem;
    padding: 0 1rem;
  }

  .joint-video-section {
    min-height: 0;
    padding: 8vh 0;
  }

  .joint-video-section__stage {
    position: relative;
    top: auto;
    left: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: var(--safe-width);
    min-height: 0;
    margin: 0 auto;
    overflow: visible;
  }

  .joint-video-section__media {
    position: static;
    order: 2;
    width: 100%;
    max-height: none;
    border-radius: .45rem;
    transform: none;
  }

  .joint-video-section__copy {
    position: static;
    top: auto;
    left: auto;
    order: 1;
    width: 100%;
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --safe-width: calc(100vw - 2rem);
    --page: calc(100vw - 2rem);
  }

  .site-header,
  .site-header.is-scrolled {
    height: 4.5rem;
  }

  .site-nav {
    display: none;
  }

  .brand {
    font-size: 1.5rem;
  }

  .buy-link {
    min-width: auto;
    height: 2.3rem;
    margin-left: 1rem;
    padding: 0 1rem;
  }

  .hero {
    min-height: auto;
  }

  .hero__kv {
    min-height: 38rem;
    object-fit: cover;
    object-position: center;
  }

  .hero__content {
    top: 11%;
  }

  .hero h1 {
    font-size: 3.5rem;
  }

  .hero p {
    margin-top: .8rem;
    font-size: 1.15rem;
  }

  .feature-mosaic {
    padding: 5rem 0 7rem;
  }

  .mosaic-grid {
    display: block;
  }

  .mosaic-card--tall {
    width: 100%;
  }

  .mosaic-stack {
    margin-top: 1rem;
    gap: 1rem;
  }

  .mosaic-row {
    gap: 1rem;
  }

  .mosaic-copy {
    top: 1.2rem;
    left: 1.2rem;
  }

  .mosaic-copy h3 {
    font-size: 1.15rem;
  }

  .mosaic-copy p {
    display: none;
  }

  .section-heading h2,
  .poster-copy h2 {
    font-size: 2rem;
  }

  .section-heading p,
  .poster-copy p {
    font-size: .92rem;
  }

  .hardware-showcase,
  .hardware-showcase__inner {
    min-height: 100svh;
  }

  .hardware-showcase__inner {
    padding: 6rem 0 3rem;
  }

  .hardware-showcase__media {
    width: 96vw;
    margin-top: 3rem;
  }

  .hardware-showcase__media img {
    max-height: 50vh;
  }

  .hardware-callout {
    width: auto;
  }

  .hardware-callout__text {
    font-size: .68rem;
  }

  .hardware-callout--left .hardware-callout__line,
  .hardware-callout--right .hardware-callout__line {
    flex: 1 1 auto;
    width: auto;
    min-width: 1.5rem;
    margin: 0 .35rem;
  }

  .hardware-callout--left {
    left: 0;
    right: 53%;
  }

  .hardware-callout--right {
    left: 53%;
    right: 0;
  }

  .hardware-showcase--vertical-callouts .hardware-callout {
    width: auto;
  }

  .hardware-showcase--vertical-callouts .hardware-callout--kinematics {
    left: 12%;
  }

  .hardware-showcase--vertical-callouts .hardware-callout--gait {
    left: 50%;
  }

  .hardware-showcase--vertical-callouts .hardware-callout--joints {
    left: 84%;
  }

  .hardware-showcase--full .hardware-showcase__media {
    margin-top: 4rem;
  }

  .media-carousel {
    padding: 7rem 0 8rem;
  }

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

  .carousel-slide {
    flex-basis: 86vw;
  }

  .carousel-arrow {
    width: 2.75rem;
    height: 2.75rem;
  }

  .carousel-tabs {
    width: calc(100vw - 2rem);
    overflow-x: auto;
  }

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

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

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

  .poster-section>video {
    height: 48rem;
  }

  .poster-section::after {
    background: linear-gradient(180deg, rgba(0, 0, 0, .15), rgba(0, 0, 0, .78));
  }

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

  .specs {
    padding: 6rem 0 4rem;
  }

  .specs__heading {
    margin-bottom: 3rem;
  }

  .specs-row {
    grid-template-columns: 8rem 1fr;
    min-height: 4.75rem;
  }

  .specs-label {
    padding-left: .5rem;
  }

  .specs-value {
    grid-column: 2;
    padding-left: 1rem;
  }

  .specs__image {
    width: 94vw;
    margin-top: 3rem;
  }
}

/* Migrated verbatim from NexArm: feature mosaic and static content layouts. */
.feature-mosaic {
  position: relative;
  z-index: 2;
  padding: 8vh 0;
  background: #000000;
  /* The intro copy is revealed above this section over the pinned KV. */
  overflow: visible;
  isolation: isolate;
}

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

.nexarm-mosaic-grid {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: stretch;
  max-width: calc(100vw - 2rem);
}

.nexarm-mosaic-row {
  display: flex;
  gap: 1.2rem;
  align-items: stretch;
  justify-content: center;
  width: 100%;
}

.nexarm-mosaic-card {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
}

.nexarm-mosaic-row--top .nexarm-mosaic-card--reach {
  flex: 955 1 0;
}

.nexarm-mosaic-row--top .nexarm-mosaic-card--encoder {
  flex: 819 1 0;
}

.nexarm-mosaic-row--top .nexarm-mosaic-card--ik {
  flex: 0.65 1 0;
}

.nexarm-mosaic-row--bottom .nexarm-mosaic-card--vision {
  flex: 565 1 0;
}

.nexarm-mosaic-row--bottom .nexarm-mosaic-card--teleop {
  flex: 728 1 0;
}

.nexarm-mosaic-row--bottom .nexarm-mosaic-card--claw {
  flex: 467 1 0;
}

.nexarm-mosaic-card>img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.nexarm-mosaic-card>img:hover {
  transform: scale(1.05);
  transition: all 0.3s ease;
}

.nexarm-mosaic-card .mosaic-copy {
  position: absolute;
  top: 1.5rem;
  left: 2.2rem;
  z-index: 1;
}

.nexarm-mosaic-card h3 {
  color: #fff;
  font-size: 1.6rem;
  line-height: 1.4;
  font-weight: 600;
}

.nexarm-mosaic-card p {
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 1px;
}

.nexarm-mosaic-card--encoder .mosaic-copy--secondary {
  left: 42%;
}

.nexarm-teleop-heading {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nexarm-mosaic-card .nexarm-teleop-heading__logo {
  display: block;
  width: auto;
  height: 2rem;
  object-fit: contain;
}

.nexarm-mosaic-card .nexarm-teleop-ai-logo {
  display: block;
  width: auto;
  max-width: 100%;
  height: 1.2rem;
  margin-top: 0.5rem;
  object-fit: contain;
}

/* Static product content layouts. */
.nexarm-static-stack {
  position: relative;
  padding: 8vh 0;
  background: #000;
}

.nexarm-static-stack--integration {
  /* background: #080706; */
}

.nexarm-static-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: var(--safe-width);
  margin: 0 auto;
}

.nexarm-static-row+.nexarm-static-row {
  margin-top: 16vh;
}

.nexarm-static-copy {
  width: 18rem;
  flex: 0 0 18rem;
}

.nexarm-static-row--media-left .nexarm-static-copy {
  width: 21rem;
  flex-basis: 21rem;
}

.nexarm-static-copy span,
.nexarm-static-pc__heading span {
  color: var(--orange);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.4;
}

.nexarm-static-copy h2,
.nexarm-static-pc__heading h2 {
  margin-top: 0.65rem;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.16;
}

.nexarm-static-copy p,
.nexarm-static-pc__heading p {
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1rem;
  line-height: 1.75;
}

.nexarm-static-media {
  position: relative;
  flex: 0 1 auto;
  width: auto;
  height: auto;
}

.nexarm-static-media img,
.nexarm-static-media video {
  display: block;
  width: auto;
  max-width: calc(var(--safe-width) - 21rem);
  height: auto;
  max-height: 26.25rem;
  object-fit: contain;
}

/* Migrated verbatim from ROSOrin: bottom-left orange section glow. */
#course.algorithm {
  padding: 8vh 0 16vh;
  margin-top: -2px;
  z-index: 20;
  overflow: hidden;
}

/* #course.algorithm::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 0% 100%, rgba(165, 96, 27, 0.22) 0%, rgba(255, 133, 11, 0.1) 28%, rgba(255, 133, 11, 0.02) 56%, rgba(255, 133, 11, 0) 76%),
    linear-gradient(18deg, rgba(255, 133, 11, 0.18) 0%, rgba(255, 133, 11, 0.06) 28%, rgba(255, 133, 11, 0) 58%);
  pointer-events: none;
} */

#course.algorithm>* {
  position: relative;
  z-index: 1;
}

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

  .nexarm-static-stack,
  .nexarm-static-pc {
    padding: 5rem 0;
  }

  .nexarm-static-row,
  .nexarm-static-row--media-left {
    flex-direction: column;
    align-items: stretch;
    gap: 2rem;
    width: var(--safe-width);
  }

  .nexarm-static-row+.nexarm-static-row {
    margin-top: 5rem;
  }

  .nexarm-static-copy,
  .nexarm-static-row--media-left .nexarm-static-copy {
    width: 100%;
    flex-basis: auto;
    transform: none;
  }

  .nexarm-static-media {
    width: 100%;
    height: auto;
  }

  .nexarm-static-media img,
  .nexarm-static-media video {
    max-width: 100%;
    max-height: 22rem;
    margin: 0 auto;
  }

  .nexarm-static-copy h2,
  .nexarm-static-pc__heading h2 {
    font-size: 2rem;
  }

  .nexarm-static-pc__heading,
  .nexarm-static-pc__image {
    width: var(--safe-width);
  }

  .nexarm-mosaic-row {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 1600px) and (min-width: 901px) {
  .intro__scroll-copy {
    top: -37vh;
  }
}

@media (max-width: 900px) {
  .intro__scroll-copy {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    width: calc(100% - 2rem);
    margin-bottom: 3rem;
  }

  .intro__scroll-copy p {
    font-size: .78rem;
    line-height: 1.65;
  }

  .hero__kv {
    min-height: 0;
    height: auto;
    object-fit: contain;
  }

  .product-faq {
    margin-top: 5rem;
  }

  .product-faq__heading {
    margin-bottom: 6rem;
  }

  .product-faq__item summary {
    grid-template-columns: 2.5rem minmax(0, 1fr) 1rem;
    gap: .75rem;
    min-height: 4.75rem;
  }

  .product-faq__answer {
    max-width: 100%;
    padding: 0 1rem 1.8rem 3.25rem;
  }

  .product-faq__message {
    width: min(32rem, 80%);
    margin-top: 4rem;
  }
}

@media (max-width: 620px) {
  .product-faq__heading h2 {
    font-size: 2rem;
  }

  .product-faq__question {
    font-size: 1rem;
  }

  .product-faq__answer {
    padding-left: 0;
    font-size: .9rem;
  }

  .product-faq__message {
    grid-template-columns: minmax(0, 1fr) 6rem;
    width: 100%;
    height: 3.25rem;
  }

  .product-faq__message input {
    padding: 0 .8rem;
    font-size: .8rem;
  }

  .product-faq__message button {
    font-size: .85rem;
  }

  .product-faq__success {
    padding: 3rem 1.5rem 2.5rem;
  }

  .product-faq__success p {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__kv {
    filter: none;
  }

  .product-faq__arrow,
  .product-faq__message button {
    transition: none;
  }
}