:root {
    --docs-ink: #18313d;
    --docs-text: #3f5660;
    --docs-muted: #6d7f87;
    --docs-accent: #176b75;
    --docs-accent-dark: #0f535c;
    --docs-line: #d9e3e6;
    --docs-paper: #ffffff;
    --docs-ground: #f5f8f8;
    --docs-focus: rgba(23, 107, 117, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--docs-paper);
    color: var(--docs-text);
    font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--docs-accent-dark);
    text-underline-offset: 3px;
}

a:hover {
    color: var(--docs-accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--docs-focus);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

.learn-shell {
    width: min(1040px, calc(100% - 48px));
    margin-inline: auto;
}

.learn-reading-width {
    max-width: 800px;
}

.learn-skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 6px;
    background: var(--docs-ink);
    color: white;
    text-decoration: none;
    transform: translateY(-150%);
}

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

.learn-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--docs-line);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
}

.learn-header__inner {
    display: flex;
    width: min(1120px, calc(100% - 48px));
    min-height: 62px;
    margin-inline: auto;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.learn-brand {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: var(--docs-ink);
    font-size: 16px;
    text-decoration: none;
}

.learn-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.learn-nav a,
.learn-mobile-nav a,
.learn-mobile-nav button {
    display: inline-flex;
    min-height: 44px;
    padding: 9px 12px;
    align-items: center;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--docs-text);
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
}

.learn-nav a:hover,
.learn-nav a[aria-current="page"] {
    background: var(--docs-ground);
    color: var(--docs-ink);
}

.learn-nav__return {
    margin-left: 6px;
    background: var(--docs-ink) !important;
    color: white !important;
}

.learn-nav-toggle {
    display: none;
    min-width: 44px;
    min-height: 44px;
    padding: 8px 10px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--docs-line);
    border-radius: 6px;
    background: white;
    color: var(--docs-ink);
    cursor: pointer;
}

.learn-nav-toggle__glyph,
.learn-nav-toggle__glyph::before,
.learn-nav-toggle__glyph::after {
    display: block;
    width: 16px;
    height: 1px;
    background: currentColor;
    content: "";
}

.learn-nav-toggle__glyph {
    position: relative;
}

.learn-nav-toggle__glyph::before {
    position: absolute;
    top: -5px;
}

.learn-nav-toggle__glyph::after {
    position: absolute;
    top: 5px;
}

.learn-mobile-nav {
    padding: 8px 16px 14px;
    border-top: 1px solid var(--docs-line);
    background: white;
}

.learn-mobile-nav a,
.learn-mobile-nav button {
    width: 100%;
}

.learn-hero {
    border-bottom: 1px solid var(--docs-line);
    background: var(--docs-ground);
}

.learn-hero .learn-shell {
    padding-block: 34px;
}

.learn-hero__copy {
    max-width: 760px;
}

.learn-hero h1,
.learn-tutorial-hero h1,
.learn-reference-hero h1 {
    margin: 0;
    color: var(--docs-ink);
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    font-weight: 670;
    letter-spacing: -0.05em;
    line-height: 1;
}

.learn-hero__lede,
.learn-tutorial-hero__lede,
.learn-reference-hero > .learn-shell > p {
    max-width: 720px;
    margin: 20px 0 0;
    font-size: 19px;
    line-height: 1.55;
}

.learn-section {
    padding-block: 38px 58px;
}

.learn-section__head {
    margin-bottom: 14px;
}

.learn-section__head h2 {
    margin: 0;
    color: var(--docs-ink);
    font-size: 30px;
    letter-spacing: -0.025em;
}

.learn-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
}

.learn-card {
    min-width: 0;
    border-top: 1px solid var(--docs-line);
}

.learn-card__link {
    display: block;
    height: 100%;
    padding: 18px 0 20px;
    color: inherit;
    text-decoration: none;
}

.learn-card__link:hover h3 {
    color: var(--docs-accent);
}

.learn-card__body {
    display: flex;
    height: 100%;
    flex-direction: column;
}

.learn-card__eyebrow {
    margin: 0 0 7px;
    color: var(--docs-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}

.learn-card h3 {
    margin: 0;
    color: var(--docs-ink);
    font-size: 21px;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.learn-card__body > p:not(.learn-card__eyebrow) {
    margin: 9px 0 12px;
    font-size: 15px;
    line-height: 1.55;
}

.learn-breadcrumbs {
    display: flex;
    margin-bottom: 20px;
    align-items: center;
    gap: 10px;
    color: var(--docs-muted);
    font-size: 13px;
}

.learn-breadcrumbs a {
    color: inherit;
}

.learn-tutorial-hero,
.learn-reference-hero {
    padding-block: 30px;
    border-bottom: 1px solid var(--docs-line);
    background: var(--docs-ground);
}

.learn-tutorial-hero h1 {
    max-width: 800px;
    font-size: clamp(2.4rem, 4.5vw, 3.35rem);
}

.learn-tutorial-meta {
    margin: 9px 0 0;
    color: var(--docs-muted);
    font-size: 13px;
}

.learn-tutorial-layout {
    display: grid;
    padding-block: 34px 72px;
    grid-template-columns: 210px minmax(0, 720px);
    gap: 56px;
}

.learn-tutorial-nav {
    position: sticky;
    top: 90px;
    align-self: start;
}

.learn-tutorial-nav ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.learn-tutorial-nav a {
    display: grid;
    min-height: 40px;
    padding: 7px 6px;
    align-items: center;
    grid-template-columns: 22px 1fr;
    gap: 5px;
    border-radius: 5px;
    color: var(--docs-muted);
    font-size: 12px;
    line-height: 1.35;
    text-decoration: none;
}

.learn-tutorial-nav a span {
    color: var(--docs-accent);
    font-weight: 750;
}

.learn-tutorial-nav a:hover,
.learn-tutorial-nav a[aria-current="step"] {
    background: var(--docs-ground);
    color: var(--docs-ink);
}

.learn-progress {
    height: 2px;
    margin: 13px 6px 0;
    overflow: hidden;
    background: var(--docs-line);
}

.learn-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--docs-accent);
}

.learn-prerequisites {
    margin-bottom: 42px;
    padding: 0 0 0 18px;
    border-left: 3px solid var(--docs-line);
}

.learn-prerequisites h2,
.learn-sources h2 {
    margin: 0 0 8px;
    color: var(--docs-ink);
    font-size: 18px;
    letter-spacing: -0.015em;
}

.learn-prerequisites ul,
.learn-sources ul {
    margin: 0;
    padding-left: 20px;
}

.learn-prerequisites li,
.learn-sources li {
    margin: 3px 0;
}

.learn-step {
    scroll-margin-top: 88px;
}

.learn-step + .learn-step {
    margin-top: 40px;
}

.learn-step h2 {
    display: flex;
    margin: 0 0 9px;
    align-items: baseline;
    gap: 12px;
    color: var(--docs-ink);
    font-size: 25px;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.learn-step h2 span {
    color: var(--docs-accent);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.learn-step p {
    margin: 0;
}

.learn-step-note,
.learn-note {
    margin-top: 9px !important;
    color: var(--docs-muted);
    font-size: 14px;
}

.learn-media,
.learn-visual {
    margin: 18px 0 0;
}

.learn-media {
    overflow: hidden;
    border: 1px solid var(--docs-line);
    border-radius: 10px;
    background: #061824;
}

.learn-media video,
.learn-media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.learn-media figcaption {
    padding: 8px 11px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: white;
    color: var(--docs-muted);
    font-size: 12px;
}

.learn-command-list {
    display: grid;
    margin-top: 14px;
    gap: 6px;
}

.learn-command-list pre,
.env-demo {
    margin: 0;
    padding: 11px 13px;
    overflow-x: auto;
    border-radius: 7px;
    background: #102833;
    color: #e7f3f3;
    font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.viewer-controls-demo,
.gesture-demo,
.evidence-demo,
.annotation-demo,
.checklist-demo,
.session-demo,
.torch-demo,
.follow-demo,
.sync-demo,
.local-demo,
.download-demo,
.export-demo {
    border: 1px solid var(--docs-line);
    border-radius: 10px;
    background: var(--docs-ground);
}

.viewer-controls-demo {
    position: relative;
    min-height: 248px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 70%, #355d60 0 8%, #173943 9% 28%, transparent 29%),
        linear-gradient(145deg, #0d2935, #04131d);
}

.viewer-controls-demo__stack {
    position: absolute;
    right: 18px;
    bottom: 18px;
    display: flex;
    align-items: flex-end;
    flex-direction: column;
    gap: 9px;
}

.viewer-round-control {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.78);
    color: white;
}

.viewer-round-control svg {
    width: 17px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.viewer-measure-control {
    min-width: 104px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 11px;
    background: rgba(0, 0, 0, 0.78);
    color: white;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
}

.viewer-measure-control small {
    opacity: 0.66;
    font-size: 9px;
    font-weight: 500;
}

.viewer-controls-demo__xr {
    position: absolute;
    bottom: 18px;
    left: 50%;
    display: flex;
    gap: 8px;
    transform: translateX(-50%);
}

.viewer-controls-demo__xr span {
    padding: 9px 13px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 10px;
    letter-spacing: 0.06em;
}

.viewer-controls-demo__label {
    position: absolute;
    color: rgba(255, 255, 255, 0.65);
    font-size: 10px;
}

.viewer-controls-demo__label--tools {
    right: 18px;
    top: 16px;
}

.viewer-controls-demo__label--xr {
    bottom: 64px;
    left: 50%;
    transform: translateX(-50%);
}

.gesture-demo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.gesture-demo > div {
    display: grid;
    min-height: 138px;
    padding: 18px 10px 13px;
    place-items: center;
    align-content: center;
    gap: 5px;
    text-align: center;
}

.gesture-demo > div + div {
    border-left: 1px solid var(--docs-line);
}

.gesture-demo strong {
    color: var(--docs-ink);
    font-size: 14px;
}

.gesture-demo small {
    color: var(--docs-muted);
}

.gesture-demo__mouse {
    position: relative;
    display: block;
    width: 30px;
    height: 43px;
    margin-bottom: 3px;
    border: 2px solid var(--docs-accent);
    border-radius: 15px;
}

.gesture-demo__mouse::before {
    position: absolute;
    top: 5px;
    left: 50%;
    width: 2px;
    height: 9px;
    border-radius: 2px;
    background: var(--docs-accent);
    content: "";
    transform: translateX(-50%);
}

.gesture-demo__mouse--double::after {
    position: absolute;
    top: -9px;
    right: -13px;
    color: var(--docs-accent);
    content: "×2";
    font-size: 10px;
    font-weight: 800;
}

.gesture-demo__mouse--drag {
    transform: rotate(-8deg);
}

.gesture-demo__mouse--drag::after {
    position: absolute;
    top: 17px;
    left: -17px;
    width: 12px;
    border-top: 2px solid var(--docs-accent);
    content: "";
}

.gesture-demo__mouse--scroll::before {
    width: 4px;
}

.evidence-demo {
    margin: 0;
    padding: 7px 15px;
}

.evidence-demo div {
    display: grid;
    padding: 9px 0;
    grid-template-columns: 90px 1fr;
    gap: 15px;
}

.evidence-demo div + div {
    border-top: 1px solid var(--docs-line);
}

.evidence-demo dt {
    color: var(--docs-accent-dark);
    font-size: 12px;
    font-weight: 750;
    text-transform: uppercase;
}

.evidence-demo dd {
    margin: 0;
    color: var(--docs-ink);
    font-size: 14px;
}

.annotation-demo {
    position: relative;
    display: grid;
    min-height: 148px;
    padding: 24px;
    align-items: center;
    grid-template-columns: 100px 1fr;
    gap: 60px;
}

.annotation-demo__feature {
    width: 86px;
    height: 62px;
    border: 4px double #6c898c;
    border-radius: 50%;
    transform: rotate(-12deg);
}

.annotation-demo__line {
    position: absolute;
    left: 111px;
    width: 58px;
    border-top: 1px solid var(--docs-accent);
}

.annotation-demo strong,
.annotation-demo small {
    display: block;
}

.annotation-demo strong {
    color: var(--docs-ink);
}

.annotation-demo small {
    color: var(--docs-muted);
}

.checklist-demo {
    display: flex;
    margin-block: 0;
    padding: 10px;
    flex-wrap: wrap;
    gap: 7px;
    list-style: none;
}

.checklist-demo li {
    padding: 6px 9px;
    border-radius: 999px;
    background: white;
    color: var(--docs-ink);
    font-size: 12px;
}

.checklist-demo li::before {
    margin-right: 6px;
    color: var(--docs-accent);
    content: "✓";
    font-weight: 800;
}

.session-demo,
.local-demo {
    display: grid;
    padding: 18px;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.session-demo span,
.local-demo span,
.local-demo div {
    display: grid;
    min-height: 60px;
    padding: 9px;
    place-items: center;
    border: 1px solid var(--docs-line);
    border-radius: 7px;
    background: white;
    color: var(--docs-ink);
    font-size: 12px;
    text-align: center;
}

.session-demo__room,
.local-demo div {
    grid-column: 1 / -1;
    border-color: var(--docs-accent) !important;
}

.local-demo div strong,
.local-demo div small {
    display: block;
}

.local-demo div small {
    color: var(--docs-muted);
}

.torch-demo {
    position: relative;
    min-height: 150px;
    overflow: hidden;
    background: #071923;
}

.torch-demo__controller {
    position: absolute;
    bottom: 18px;
    left: 18px;
    width: 40px;
    height: 72px;
    border: 2px solid rgba(255, 255, 255, 0.72);
    border-radius: 22px 22px 14px 14px;
    transform: rotate(-28deg);
}

.torch-demo__beam {
    position: absolute;
    bottom: 63px;
    left: 56px;
    width: 70%;
    height: 62px;
    background: linear-gradient(90deg, rgba(91, 208, 221, 0.5), transparent);
    clip-path: polygon(0 46%, 100% 0, 100% 100%, 0 54%);
    transform: rotate(-6deg);
    transform-origin: left center;
}

.torch-demo__feature {
    position: absolute;
    right: 42px;
    top: 42px;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    color: white;
    font-size: 11px;
}

.follow-demo {
    overflow: hidden;
}

.follow-demo__viewport {
    position: relative;
    min-height: 170px;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 80%, #315b5d 0 10%, #15353f 11% 34%, #071923 35%);
}

.follow-demo__viewport span {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 7px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.55);
    color: white;
    font-size: 11px;
}

.follow-demo__viewport i {
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 30px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 7px;
    transform: translateX(-50%);
    transition: transform 0.45s ease;
}

.follow-demo.is-following .follow-demo__viewport i {
    transform: translateX(80px) rotate(8deg);
}

.follow-demo__people {
    display: flex;
    padding: 8px;
    gap: 7px;
    border-top: 1px solid var(--docs-line);
    background: white;
}

.follow-demo__people button {
    min-height: 44px;
    padding: 5px 10px;
    border: 1px solid var(--docs-line);
    border-radius: 22px;
    background: white;
    color: var(--docs-ink);
    cursor: pointer;
    font: inherit;
    font-size: 12px;
}

.follow-demo__people button[aria-pressed="true"] {
    border-color: var(--docs-accent);
    background: #e6f3f3;
}

.follow-demo__people small {
    display: block;
    color: var(--docs-muted);
    font-size: 9px;
}

.follow-demo > p {
    padding: 0 10px 8px;
    background: white;
    color: var(--docs-muted);
    font-size: 11px;
}

.sync-demo,
.download-demo,
.export-demo {
    display: flex;
    padding: 18px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.sync-demo span,
.download-demo span,
.download-demo strong,
.export-demo span,
.export-demo strong {
    padding: 7px 10px;
    border: 1px solid var(--docs-line);
    border-radius: 6px;
    background: white;
    color: var(--docs-ink);
    font-size: 12px;
}

.sync-demo i {
    width: 18px;
    border-top: 1px solid var(--docs-accent);
}

.download-demo strong,
.export-demo strong {
    border-color: var(--docs-accent);
    background: var(--docs-accent);
    color: white;
}

.learn-sources {
    margin-top: 52px;
    padding-top: 26px;
    border-top: 1px solid var(--docs-line);
    font-size: 14px;
}

.learn-next {
    display: flex;
    margin-top: 48px;
    padding-block: 22px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-block: 1px solid var(--docs-line);
}

.learn-next > a:first-child {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.learn-next span {
    color: var(--docs-muted);
    font-size: 12px;
    text-transform: uppercase;
}

.learn-next strong {
    color: var(--docs-ink);
    font-size: 17px;
}

.learn-next__return {
    flex: 0 0 auto;
    font-size: 13px;
}

.learn-reference-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
}

.learn-reference-search {
    display: block;
    max-width: 620px;
    margin-top: 26px;
    color: var(--docs-ink);
    font-size: 13px;
    font-weight: 700;
}

.learn-reference-search span {
    display: block;
    margin-bottom: 6px;
}

.learn-reference-search input {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid #b8c9ce;
    border-radius: 6px;
    background: white;
    color: var(--docs-ink);
    font: inherit;
}

.learn-action-reference {
    display: grid;
    padding-block: 34px 72px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
}

.learn-action {
    padding: 20px 0 23px;
    border-top: 1px solid var(--docs-line);
    scroll-margin-top: 88px;
}

.learn-action h2 {
    margin: 0;
    color: var(--docs-ink);
    font-size: 20px;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.learn-action > p {
    margin: 8px 0 13px;
    font-size: 14px;
    line-height: 1.55;
}

.learn-action__controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
}

.learn-action__paths {
    display: grid;
    gap: 7px;
}

.learn-action__path {
    display: flex;
    align-items: center;
    gap: 9px;
}

.learn-action__path > small {
    width: 54px;
    flex: 0 0 54px;
    color: var(--docs-muted);
    font-size: 10px;
}

.learn-action__controls span {
    display: inline-flex;
    min-height: 34px;
    padding: 6px 9px;
    align-items: center;
    border: 1px solid #bbcbd0;
    border-radius: 7px;
    background: white;
    color: var(--docs-ink);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.025em;
    box-shadow: 0 1px 2px rgba(24, 49, 61, 0.08);
}

.learn-action__controls i {
    color: var(--docs-accent);
    font-size: 12px;
    font-style: normal;
}

.learn-action > .learn-action__access {
    margin: 9px 0 0;
    color: var(--docs-muted);
    font-size: 11px;
    line-height: 1.45;
}

.learn-action__links {
    display: flex;
    margin-top: 13px;
    flex-wrap: wrap;
    gap: 12px;
}

.learn-action__links a {
    min-height: 36px;
    font-size: 12px;
    font-weight: 700;
}

.learn-reference-empty {
    grid-column: 1 / -1;
    color: var(--docs-muted);
}

.learn-footer {
    border-top: 1px solid var(--docs-line);
}

.learn-footer__inner {
    display: flex;
    width: min(1120px, calc(100% - 48px));
    min-height: 72px;
    margin-inline: auto;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: var(--docs-muted);
    font-size: 12px;
}

.learn-footer__inner > div {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
}

.learn-footer a {
    color: inherit;
}

@media (max-width: 900px) {
    .learn-nav {
        display: none;
    }

    .learn-nav-toggle {
        display: inline-flex;
    }

    .learn-card-grid {
        grid-template-columns: 1fr;
    }

    .learn-tutorial-layout {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .learn-tutorial-nav {
        position: static;
    }

    .learn-tutorial-nav ol {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 16px;
    }

    .learn-tutorial-nav a {
        min-height: 44px;
    }

    .learn-action-reference {
        grid-template-columns: 1fr;
    }

    .learn-brand,
    .learn-footer a,
    .learn-breadcrumbs a,
    .learn-sources a {
        display: inline-flex;
        min-height: 44px;
        align-items: center;
    }

    .learn-breadcrumbs a {
        min-width: 44px;
    }
}

@media (max-width: 560px) {
    body {
        font-size: 16px;
    }

    .learn-shell,
    .learn-header__inner,
    .learn-footer__inner {
        width: calc(100% - 32px);
    }

    .learn-header__inner {
        min-height: 58px;
    }

    .learn-nav-toggle__label {
        font-size: 12px;
    }

    .learn-hero .learn-shell,
    .learn-tutorial-hero,
    .learn-reference-hero {
        padding-block: 30px;
    }

    .learn-hero h1,
    .learn-tutorial-hero h1,
    .learn-reference-hero h1 {
        font-size: clamp(2.2rem, 11vw, 2.7rem);
    }

    .learn-hero__lede,
    .learn-tutorial-hero__lede,
    .learn-reference-hero > .learn-shell > p {
        margin-top: 15px;
        font-size: 17px;
    }

    .learn-section {
        padding-block: 30px 48px;
    }

    .learn-card__link {
        padding-block: 20px 22px;
    }

    .learn-breadcrumbs {
        margin-bottom: 18px;
    }

    .learn-tutorial-layout {
        padding-block: 34px 60px;
    }

    .learn-prerequisites {
        margin-bottom: 34px;
    }

    .learn-step + .learn-step {
        margin-top: 34px;
    }

    .learn-step h2 {
        font-size: 22px;
    }

    .gesture-demo {
        grid-template-columns: 1fr;
    }

    .gesture-demo > div {
        min-height: 104px;
        grid-template-columns: 44px 1fr;
        justify-items: start;
        text-align: left;
    }

    .gesture-demo > div + div {
        border-top: 1px solid var(--docs-line);
        border-left: 0;
    }

    .gesture-demo__mouse {
        grid-row: 1 / 3;
    }

    .annotation-demo {
        padding: 18px;
        grid-template-columns: 76px 1fr;
        gap: 34px;
    }

    .annotation-demo__feature {
        width: 65px;
        height: 48px;
    }

    .annotation-demo__line {
        left: 82px;
        width: 30px;
    }

    .session-demo,
    .local-demo {
        grid-template-columns: 1fr;
    }

    .viewer-controls-demo__xr {
        left: 18px;
        flex-direction: column;
        transform: none;
    }

    .viewer-controls-demo__label--xr {
        bottom: 112px;
        left: 18px;
        transform: none;
    }

    .evidence-demo div {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .learn-next {
        align-items: flex-start;
        flex-direction: column;
    }

    .learn-footer__inner {
        padding-block: 14px;
        align-items: flex-start;
        flex-direction: column;
        gap: 0;
    }
}

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

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}

@media print {
    .learn-header,
    .learn-footer,
    .learn-tutorial-nav,
    .learn-next,
    .learn-reference-search {
        display: none !important;
    }

    .learn-media video {
        display: none;
    }

    body {
        color: black;
        font-size: 11pt;
    }

    .learn-shell,
    .learn-tutorial-layout {
        width: 100%;
        max-width: none;
        display: block;
    }
}