/* ReadingSpace promotional site */
:root {
  --white: #ffffff;
  --canvas: #fbfbfa;
  --ink: #1e1c22;
  --ink-soft: #716c7b;
  --ink-faint: #928c9a;
  --line: #eae7ed;
  --line-dark: #3a3342;
  --violet: #5b3fbf;
  --violet-deep: #3b276f;
  --violet-soft: #f4f3f8;
  --blue: #3867c8;
  --blue-deep: #24458d;
  --blue-soft: #f1f5f9;
  --mn-soft: #faf6f4;
  --coral: #d47a68;
  --dark: #15121a;
  --dark-soft: #26202d;
  --success: #2d7258;
  --warning: #9a5b29;
  --radius: 8px;
  --shadow: 0 24px 64px rgba(38, 30, 52, 0.14);
  --shadow-small: 0 12px 32px rgba(38, 30, 52, 0.1);
  --max: 1280px;
  --nav-h: 76px;
  --font-sans: "MiSans-CJK", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Iowan Old Style", "Baskerville", "Songti SC", "STSong", serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, monospace;
}

@font-face {
  font-family: 'MiSans-CJK';
  src: local('MiSans'), local('MiSans-Regular');
  font-weight: 400;
  unicode-range: U+4E00-9FA5, U+3000-303F, U+FF00-FFEF;
}
@font-face {
  font-family: 'MiSans-CJK';
  src: local('MiSans Medium'), local('MiSans-Medium');
  font-weight: 500;
  unicode-range: U+4E00-9FA5, U+3000-303F, U+FF00-FFEF;
}
@font-face {
  font-family: 'MiSans-CJK';
  src: local('MiSans Demibold'), local('MiSans-Demibold');
  font-weight: 600;
  unicode-range: U+4E00-9FA5, U+3000-303F, U+FF00-FFEF;
}
@font-face {
  font-family: 'MiSans-CJK';
  src: local('MiSans Bold'), local('MiSans-Bold');
  font-weight: 700;
  unicode-range: U+4E00-9FA5, U+3000-303F, U+FF00-FFEF;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

:where([id]) {
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: clip;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--violet);
}

h1,
h2,
h3 {
  text-wrap: balance;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(calc(100% - 5rem), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  transform: translateY(-140%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--nav-h);
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 22px rgba(25, 22, 32, 0.06);
}

.nav-bar {
  position: relative;
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 750;
  text-decoration: none;
}

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

.brand img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list > li:not(.nav-language) > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0;
  color: var(--ink);
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-list > li:not(.nav-language) > a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 2px;
  background: var(--violet);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-list > li:not(.nav-language) > a:hover::after,
.nav-list > li:not(.nav-language) > a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-list > li:not(.nav-language) > a[aria-current="page"] {
  color: var(--violet-deep);
}

.nav-language {
  margin-left: 0.2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.language-switch {
  display: grid;
  grid-template-columns: repeat(2, 2.15rem);
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--violet-soft);
}

.language-option {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-width: 0;
  min-height: 34px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
}

.language-option.is-current {
  background: var(--white);
  color: var(--violet-deep);
  box-shadow: 0 1px 4px rgba(38, 30, 52, 0.12);
  cursor: default;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.icon {
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  overflow: visible;
}

.nav-toggle .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.nav-toggle .icon-x {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-x {
  display: block;
}

.button .icon,
.text-link .icon,
.space-links .icon {
  transition: transform 180ms ease;
}

.button:hover .icon-arrow-up-right,
.text-link:hover .icon-arrow-up-right,
.space-links a:hover .icon-arrow-up-right {
  transform: translate(2px, -2px);
}

.button:hover .icon-arrow-down {
  transform: translateY(2px);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--violet);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(91, 63, 191, 0.22);
}

.button-primary:hover {
  background: var(--violet-deep);
  color: var(--white);
  box-shadow: 0 16px 30px rgba(59, 39, 111, 0.26);
}

.button-quiet {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.button-quiet:hover {
  border-color: var(--violet);
  color: var(--violet-deep);
}

.button-light {
  border-color: var(--white);
  background: var(--white);
  color: var(--violet-deep);
}

.button-light:hover {
  color: var(--blue-deep);
  box-shadow: var(--shadow-small);
}

.button-disabled,
.button-disabled-light {
  cursor: default;
  transform: none;
}

.button-disabled {
  border-color: var(--line);
  background: #f3f1f5;
  color: #7a7484;
}

.button-disabled-light {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.button-compact {
  min-height: 40px;
  padding: 0.58rem 0.85rem;
  font-size: 0.88rem;
}

.home-hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h) - 5rem);
  padding: 4.4rem 0 0;
  overflow: hidden;
  background: var(--canvas);
}

.home-hero-copy {
  position: relative;
  z-index: 10;
  text-align: center;
}

.home-hero h1 {
  margin: 0;
  font-size: 6.2rem;
  font-weight: 780;
  line-height: 0.92;
}

.brand-beta-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.45rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid rgba(91, 63, 191, 0.24);
  border-radius: var(--radius);
  background: var(--violet-soft);
  color: var(--violet-deep);
  font-size: 0.68rem;
  font-weight: 750;
  line-height: 1;
  white-space: nowrap;
}

.hero-statement {
  margin: 1.35rem 0 0;
  font-size: 3.7rem;
  font-weight: 650;
  line-height: 1.08;
}

.hero-statement span {
  display: inline-block;
  color: var(--violet);
}

.hero-intro {
  max-width: 43rem;
  margin: 1rem auto 0;
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.home-hero .hero-actions {
  justify-content: center;
}

.hero-stage {
  --pointer-x: 0;
  --pointer-y: 0;
  position: relative;
  width: min(calc(100% - 4rem), 1320px);
  height: 14rem;
  margin: 2rem auto 0;
  perspective: 1200px;
}

.stage-window {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(25, 22, 32, 0.16);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  color: var(--ink);
  text-decoration: none;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 240ms ease;
}

.stage-window:hover {
  z-index: 8;
  color: var(--ink);
  box-shadow: 0 32px 82px rgba(38, 30, 52, 0.2);
}

.stage-obsidian {
  top: 4.5rem;
  left: 0;
  z-index: 1;
  width: 44%;
  transform: translate(calc(var(--pointer-x) * -7px), calc(var(--pointer-y) * -4px)) rotate(-3deg);
}

.stage-obsidian:hover {
  transform: translate(calc(var(--pointer-x) * -7px), -8px) rotate(-1deg);
}

.stage-web {
  top: 0;
  left: 25.5%;
  z-index: 4;
  width: 49%;
  transform: translate(calc(var(--pointer-x) * 4px), calc(var(--pointer-y) * -6px));
}

.stage-web:hover {
  transform: translate(calc(var(--pointer-x) * 4px), -10px);
}

.stage-marginnote {
  top: 4.2rem;
  right: 0;
  z-index: 2;
  width: 44%;
  transform: translate(calc(var(--pointer-x) * 7px), calc(var(--pointer-y) * -4px)) rotate(3deg);
}

.stage-marginnote:hover {
  transform: translate(calc(var(--pointer-x) * 7px), -8px) rotate(1deg);
}

.window-bar {
  display: flex;
  min-height: 34px;
  align-items: center;
  gap: 2.2rem;
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  font-size: 0.74rem;
}

.window-bar > span {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--violet);
  box-shadow: 11px 0 0 var(--blue), 22px 0 0 var(--coral);
}

.window-bar strong {
  font-weight: 750;
}

.stage-window img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
}

.stage-placeholder-body {
  display: grid;
  aspect-ratio: 16 / 9;
  place-content: center;
  gap: 0.3rem;
  padding: 2rem;
  background: var(--violet-soft);
  color: var(--ink);
  text-align: center;
}

.stage-placeholder-body strong {
  font-size: 1.15rem;
}

.stage-placeholder-body small {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.space-intro {
  padding: 2rem 0 8.5rem;
  border-top: 1px solid var(--line);
  background: var(--canvas);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 6rem;
  align-items: start;
}

.intro-grid h2 {
  max-width: none;
  margin: 0;
  font-size: 4.3rem;
  font-weight: 650;
  line-height: 1.08;
}

.intro-copy > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.18rem;
}

.space-links {
  margin-top: 2.4rem;
  border-top: 1px solid var(--ink);
}

.space-links a {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 680;
  text-decoration: none;
  transition: color 180ms ease, padding 180ms ease;
}

.space-links a:hover {
  padding-inline: 0.4rem;
  color: var(--violet-deep);
}

.space-scene {
  position: relative;
  padding: 9rem 0;
  overflow: hidden;
}

.scene-obsidian {
  background: var(--violet-soft);
}

.scene-web {
  background: var(--blue-soft);
  color: var(--ink);
}

.scene-marginnote {
  background: var(--mn-soft);
}

.scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 5rem;
  align-items: center;
}

.scene-grid-reverse {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
}

.scene-copy,
.scene-media {
  min-width: 0;
}

.scene-grid-reverse .scene-copy {
  order: 2;
}

.scene-grid-reverse .scene-media {
  order: 1;
}

.scene-label {
  margin: 0 0 1rem;
  color: var(--violet-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.product-gallery-dark .scene-label,
.availability-band .scene-label {
  color: rgba(255, 255, 255, 0.78);
}

.scene-web .scene-label,
.product-intro-blue .scene-label {
  color: var(--blue-deep);
}

.product-intro-violet .scene-label {
  color: var(--violet-deep);
}

.scene-copy h2 {
  margin: 0;
  font-size: 3.6rem;
  font-weight: 650;
  line-height: 1.12;
}

.scene-copy > p:not(.scene-label) {
  max-width: 35rem;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.scene-web .scene-copy > p:not(.scene-label) {
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 2rem;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  color: var(--violet-deep);
}

.scene-web .text-link-light,
.scene-web .text-link-light:hover {
  color: var(--blue-deep);
}

.scene-media {
  position: relative;
  min-height: 36rem;
}

.media-frame,
.hero-product-window {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(25, 22, 32, 0.13);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.media-frame:not(.screenshot-placeholder)::before,
.hero-product-window:not(.screenshot-placeholder)::before {
  content: "";
  display: block;
  height: 28px;
  border-bottom: 1px solid var(--line);
  background: #f7f6f8;
}

.media-frame:not(.screenshot-placeholder)::after,
.hero-product-window:not(.screenshot-placeholder)::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 12px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--coral);
  box-shadow: 10px 0 0 var(--warning), 20px 0 0 var(--success);
}

.scene-media-marginnote .media-frame:not(.screenshot-placeholder)::before,
.scene-media-marginnote .media-frame:not(.screenshot-placeholder)::after,
.marginnote-hero-visual .hero-product-window:not(.screenshot-placeholder)::before,
.marginnote-hero-visual .hero-product-window:not(.screenshot-placeholder)::after {
  display: none;
}

.media-frame img,
.hero-product-window img {
  width: 100%;
}

.screenshot-placeholder {
  position: relative;
  isolation: isolate;
  border-style: solid;
  border-color: var(--line);
  background: #f4f3f8;
}

.screenshot-placeholder::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  left: 0;
  height: 32px;
  border-bottom: 1px solid var(--line);
  background: #ebe9f0;
}

.screenshot-placeholder::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 32px;
  bottom: 0;
  left: 0;
  width: 19%;
  border-right: 1px solid var(--line);
  background: #efedf3;
}

.screenshot-placeholder-copy {
  position: relative;
  z-index: 1;
  display: grid;
  place-content: center;
  gap: 0.7rem;
  min-height: 100%;
  margin-left: 19%;
  padding: 3rem 2.5rem;
  text-align: center;
}

.screenshot-placeholder-copy span {
  color: var(--violet-deep);
  font-size: 0.76rem;
  font-weight: 700;
}

.screenshot-placeholder-copy strong {
  font-size: 1.5rem;
  line-height: 1.2;
}

.screenshot-placeholder-copy p {
  max-width: 31rem;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.screenshot-placeholder-hero {
  aspect-ratio: 16 / 10;
}

.media-frame-wide {
  position: absolute;
  top: 3rem;
  right: 0;
  width: 94%;
}

.media-frame-float {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 2;
  width: 34%;
}

.media-frame-float-right {
  right: 0;
  left: auto;
  width: 49%;
}

.media-frame-lower {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 68%;
}

.scene-media-web .media-frame {
  border-color: var(--line);
  box-shadow: 0 28px 70px rgba(36, 69, 141, 0.14);
}

.connection-section {
  padding: 7.5rem 0;
  background: var(--dark);
  color: var(--white);
}

.connection-section .scene-label {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--violet-deep);
  color: var(--white);
  border-radius: var(--radius);
}

.connection-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 6rem;
}

.connection-grid h2 {
  max-width: 10ch;
  margin: 0;
  font-size: 3.6rem;
  font-weight: 650;
  line-height: 1.06;
}

.connection-list {
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.connection-list div {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line-dark);
}

.connection-list dt {
  color: rgba(255, 255, 255, 0.72);
}

.connection-list dd {
  margin: 0;
  font-weight: 700;
}

.closing-cta {
  padding: 8rem 0;
  background: var(--violet-soft);
  color: var(--ink);
}

.closing-inner {
  text-align: center;
}

.closing-inner h2 {
  max-width: 20ch;
  margin: 0 auto;
  font-size: 4.4rem;
  font-weight: 650;
  line-height: 1.08;
}

.closing-cta .button-light {
  margin-top: 2rem;
  border-color: var(--violet);
  background: var(--violet);
  color: var(--white);
}

.closing-cta .button-light:hover {
  background: var(--violet-deep);
  color: var(--white);
}

.product-hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h) - 5rem);
  padding: 6rem 0 6.5rem;
  overflow: hidden;
}

.product-hero-obsidian {
  background: var(--canvas);
}

.product-hero-web {
  background: var(--blue-soft);
}

.product-hero-marginnote {
  background: var(--violet-soft);
}

.product-hero-grid {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 4.5rem;
  align-items: center;
}

.product-hero-copy {
  position: relative;
  z-index: 3;
}

.product-for-mark {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  margin: 0 0 1rem;
  border-radius: 8px;
  background: var(--violet);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1;
}

.product-category {
  margin: 1rem 0 0;
  color: var(--violet-deep);
  font-size: 0.88rem;
  font-weight: 700;
}

.product-hero-web .product-for-mark {
  background: var(--blue);
}

.product-hero-web .product-category {
  color: var(--blue-deep);
}

.product-hero-copy h1 {
  max-width: 10ch;
  margin: 0;
  font-size: 4.5rem;
  font-weight: 780;
  line-height: 1.02;
  overflow-wrap: normal;
  word-break: normal;
}

.product-hero-lead {
  max-width: 30rem;
  margin: 1rem 0 0;
  font-size: 1.55rem;
  font-weight: 650;
  line-height: 1.35;
}

.product-hero-copy > p:not(.scene-label):not(.product-category):not(.product-hero-lead) {
  max-width: 32rem;
  margin: 1rem 0 0;
  color: var(--ink-soft);
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 2.2rem 0 0;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-meta div {
  padding-right: 0.8rem;
}

.product-meta dt {
  color: var(--ink-faint);
  font-size: 0.76rem;
}

.product-meta dd {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  font-weight: 680;
}

.product-hero-visual {
  position: relative;
  min-height: 38rem;
}

.hero-product-window {
  position: absolute;
}

.hero-product-window-main {
  top: 1.5rem;
  right: 0;
  width: 96%;
}

.hero-product-window-side {
  right: -1rem;
  bottom: 0;
  z-index: 2;
  width: 36%;
}

.hero-product-window-lower {
  right: -1rem;
  bottom: 0;
  z-index: 2;
  width: 71%;
}

.obsidian-hero-visual .hero-product-window-main {
  transform: rotate(1deg);
}

.obsidian-hero-visual .hero-product-window-side {
  transform: rotate(-2deg);
}

.web-hero-visual .hero-product-window-main,
.marginnote-hero-visual .hero-product-window-main {
  top: 0;
}

.product-intro {
  padding: 8.5rem 0;
  background: var(--violet-soft);
}

.product-intro-blue {
  background: var(--blue-soft);
  color: var(--ink);
}

.product-intro-violet {
  background: var(--violet-soft);
  color: var(--ink);
}

.product-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 6rem;
  align-items: end;
}

.product-intro-grid > * {
  min-width: 0;
}

.product-intro h2 {
  margin: 0;
  font-size: 4rem;
  font-weight: 650;
  line-height: 1.1;
}

.product-intro p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.product-intro-blue p,
.product-intro-violet p {
  color: var(--ink-soft);
}

.feature-rail {
  background: var(--canvas);
}

.feature-rail article {
  display: grid;
  grid-template-columns: 0.3fr 0.7fr 1fr;
  gap: 2.5rem;
  align-items: start;
  padding: 3.1rem 0;
  border-top: 1px solid var(--line);
}

.feature-rail article:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-rail span {
  color: var(--violet-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.feature-rail h3 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 650;
  line-height: 1.2;
}

.feature-rail p {
  margin: 0;
  color: var(--ink-soft);
}

.product-gallery {
  padding: 9rem 0;
  background: var(--canvas);
}

.product-gallery-dark {
  background: var(--dark);
  color: var(--white);
}

.gallery-heading {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
  align-items: start;
}

.gallery-heading h2 {
  max-width: 20ch;
  margin: 0;
  font-size: 3.3rem;
  font-weight: 650;
  line-height: 1.1;
}

.gallery-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3.5rem 1.5rem;
  align-items: start;
}

.gallery-shot {
  min-width: 0;
  margin: 0;
}

.gallery-shot:not(.screenshot-placeholder) {
  position: relative;
}

.gallery-shot:not(.screenshot-placeholder)::before {
  content: "";
  display: block;
  height: 28px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #f7f6f8;
}

.gallery-shot:not(.screenshot-placeholder)::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 12px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--coral);
  box-shadow: 10px 0 0 var(--warning), 20px 0 0 var(--success);
}

.gallery-shot-wide {
  grid-column: 1 / -1;
}

.gallery-shot-tall {
  max-width: 30rem;
  justify-self: center;
}

.gallery-shot-poster {
  max-width: 30rem;
  justify-self: end;
}

.gallery-shot img {
  width: 100%;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-small);
}

.screenshot-placeholder-gallery {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.screenshot-placeholder-gallery::before,
.screenshot-placeholder-gallery::after {
  display: none;
}

.screenshot-placeholder-gallery .screenshot-placeholder-copy {
  isolation: isolate;
  overflow: hidden;
  min-height: 34rem;
  margin-left: 0;
  padding-left: calc(19% + 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f4f3f8;
  box-shadow: var(--shadow-small);
}

.screenshot-placeholder-gallery .screenshot-placeholder-copy::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  left: 0;
  height: 32px;
  border-bottom: 1px solid var(--line);
  background: #ebe9f0;
}

.screenshot-placeholder-gallery .screenshot-placeholder-copy::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 32px;
  bottom: 0;
  left: 0;
  width: 19%;
  border-right: 1px solid var(--line);
  background: #efedf3;
}

.screenshot-placeholder-gallery .screenshot-placeholder-copy > * {
  position: relative;
  z-index: 1;
}

.gallery-shot figcaption {
  display: grid;
  grid-template-columns: 0.3fr 1fr;
  gap: 1rem;
  padding-top: 1rem;
}

.gallery-shot figcaption strong {
  font-size: 0.9rem;
}

.gallery-shot figcaption span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.product-gallery-dark .gallery-shot img {
  border-color: var(--line-dark);
  box-shadow: 0 24px 68px rgba(0, 0, 0, 0.28);
}

.product-gallery-dark .gallery-shot:not(.screenshot-placeholder)::before {
  border-color: var(--line-dark);
  background: var(--dark-soft);
}

.gallery-layout-marginnote .gallery-shot:not(.screenshot-placeholder)::before,
.gallery-layout-marginnote .gallery-shot:not(.screenshot-placeholder)::after {
  display: none;
}

.gallery-layout-marginnote .gallery-shot img {
  border-top: 1px solid var(--line);
  border-radius: var(--radius);
}

.product-gallery-dark .gallery-shot figcaption span {
  color: rgba(255, 255, 255, 0.66);
}

.web-showcase {
  display: grid;
  gap: 4.5rem;
}

.availability-band {
  padding: 6rem 0;
  background: var(--dark);
  color: var(--white);
}

.availability-band-web {
  background: var(--blue-deep);
}

.availability-band-marginnote {
  background: var(--violet-deep);
}

.availability-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 6rem;
  align-items: end;
}

.availability-grid h2 {
  margin: 0;
  font-size: 3.5rem;
  font-weight: 650;
  line-height: 1.08;
}

.availability-grid > div:last-child {
  display: grid;
  justify-items: start;
  gap: 1.4rem;
}

.availability-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.utility-hero {
  min-height: 28rem;
  display: grid;
  align-items: center;
  padding: 6rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.utility-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 6rem;
  align-items: end;
}

.utility-hero h1 {
  margin: 0;
  font-size: 5.2rem;
  font-weight: 650;
  line-height: 1.02;
}

.utility-hero p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.12rem;
}

.download-section {
  padding: 4.5rem 0 7rem;
}

.download-header,
.download-row {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr 0.95fr 1.45fr 12rem;
  gap: 1.5rem;
}

.download-header {
  padding: 0 0 0.8rem;
  color: var(--ink-faint);
  font-size: 0.74rem;
  font-weight: 750;
}

.download-row {
  align-items: start;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.download-row:last-child {
  border-bottom: 1px solid var(--line);
}

.download-product {
  display: grid;
  gap: 0.25rem;
}

.download-product a {
  color: var(--ink);
  font-size: 1.22rem;
  font-weight: 700;
  text-decoration: none;
}

.download-product a:hover {
  color: var(--violet-deep);
}

.download-product span,
.download-label {
  color: var(--ink-faint);
  font-size: 0.78rem;
}

.download-row > div:not(.download-product):not(.download-action) {
  display: grid;
  gap: 0.2rem;
}

.download-row strong {
  font-size: 0.9rem;
}

.download-row > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.download-status-store-search,
.download-status-forum,
.download-status-direct-download {
  color: var(--success);
}

.download-status-pending {
  color: var(--warning);
}

.download-metadata {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.8rem;
  color: var(--ink-faint);
  font-size: 0.78rem;
}

.download-metadata code {
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  overflow-wrap: anywhere;
}

.status-signed {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(45, 114, 88, 0.28);
  border-radius: var(--radius);
  background: #edf7f2;
  color: var(--success);
  font-weight: 800;
}

.status-signed::before {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: currentColor;
  content: "";
}

.download-note {
  padding: 6rem 0;
  background: var(--blue-soft);
}

.download-note-grid {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 5rem;
}

.download-note h2 {
  margin: 0;
  font-size: 3rem;
}

.download-note dl {
  margin: 0;
  border-top: 1px solid rgba(56, 103, 200, 0.24);
}

.download-note dl div {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(56, 103, 200, 0.24);
}

.download-note dd {
  margin: 0;
  font-weight: 700;
}

.updates-hero h1 {
  color: var(--violet-deep);
  font-size: 4.4rem;
  font-weight: 650;
}

.updates-hero {
  min-height: 24rem;
}

.updates-section {
  padding: 4.5rem 0 9rem;
}

.update-tabs {
  position: sticky;
  top: calc(var(--nav-h) + 0.75rem);
  z-index: 20;
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 4rem;
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(16px);
}

.update-tabs button {
  position: relative;
  min-height: 48px;
  padding: 0.7rem 0.1rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 650;
  cursor: pointer;
}

.update-tabs button::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--violet);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.update-tabs button[aria-selected="true"] {
  color: var(--violet-deep);
}

.update-tabs button[aria-selected="true"]::after {
  transform: scaleX(1);
}

.update-empty {
  max-width: 44rem;
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.update-empty h2,
.update-empty p {
  margin: 0;
}

.update-empty p {
  margin-top: 0.7rem;
  color: var(--ink-soft);
}

.update-timeline {
  border-top: 1px solid var(--line);
}

.update-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--line);
}

.update-entry time {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
}

.update-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.update-title-row span {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
}

.update-title-row strong {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.update-entry h2 {
  margin: 0.45rem 0 1.1rem;
  font-size: 2.2rem;
  font-weight: 650;
  line-height: 1.15;
}

.update-entry ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.update-entry li + li {
  margin-top: 0.45rem;
}

.update-note {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.legal-section {
  padding: 6rem 0 9rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 0.32fr 0.68fr;
  gap: 6rem;
  align-items: start;
}

.legal-index {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  border-top: 1px solid var(--ink);
}

.legal-index a {
  display: block;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
}

.legal-index a:hover {
  color: var(--violet-deep);
}

.legal-copy {
  max-width: 48rem;
}

.legal-copy section {
  padding: 0 0 3.5rem;
  scroll-margin-top: calc(var(--nav-h) + 2rem);
}

.legal-copy section + section {
  padding-top: 3.5rem;
  border-top: 1px solid var(--line);
}

.legal-copy h2 {
  margin: 0 0 1rem;
  font-size: 2.2rem;
  font-weight: 650;
}

.legal-copy p,
.legal-copy li {
  color: #4a4652;
  line-height: 1.8;
}

.legal-copy ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.legal-copy li + li {
  margin-top: 0.65rem;
}

.contact-socials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.contact-social {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 0.9rem;
  align-items: center;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.contact-email {
  grid-column: 1 / -1;
  grid-template-columns: 1fr;
}

.contact-email a {
  color: var(--ink);
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.18em;
}

.contact-social-icon {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border-radius: var(--radius);
}

.contact-social-icon img {
  width: 1.5rem;
  height: 1.5rem;
}

.contact-social-icon-xiaohongshu {
  background: #fff0f3;
}

.contact-social-icon-bilibili {
  background: #edf8fc;
}

.contact-social-copy {
  display: grid;
  min-width: 0;
}

.contact-social-copy span,
.contact-social-copy small {
  color: var(--ink-faint);
  font-size: 0.78rem;
}

.contact-social-copy strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 1rem;
}

.site-footer {
  padding: 5.5rem 0 2.5rem;
  background: var(--dark);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr;
  gap: 5rem;
}

.footer-brand .brand {
  color: var(--white);
}

.footer-brand > p {
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
}

.footer-brand .footer-english {
  margin-top: 0.35rem;
  font-family: var(--font-serif);
  font-style: normal;
}

.site-footer h2 {
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.78rem;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: 0.65rem;
}

.site-footer a:not(.brand) {
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-note {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.78rem;
}

.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.motion-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1200px) {
  .home-hero h1 {
    font-size: 5.5rem;
  }

  .hero-statement {
    font-size: 3.45rem;
  }

  .intro-grid h2 {
    font-size: 4.1rem;
  }

  .scene-copy h2 {
    font-size: 3.25rem;
  }

  .gallery-heading h2 {
    font-size: 3.1rem;
  }

  .product-hero-copy h1 {
    font-size: 4.25rem;
  }

  .product-intro h2 {
    font-size: 3.8rem;
  }

  .nav-list {
    gap: 0.15rem 0.78rem;
  }

  .nav-list > li:not(.nav-language) > a {
    font-size: 0.86rem;
  }
}

@media (max-width: 1040px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    position: absolute;
    top: calc(var(--nav-h) - 0.35rem);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100svh - var(--nav-h) - 1rem);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.45rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list > li:not(.nav-language) > a {
    width: 100%;
    padding: 0.7rem 0.75rem;
    font-size: 1rem;
  }

  .nav-list > li:not(.nav-language) > a::after {
    display: none;
  }

  .nav-list > li:not(.nav-language) > a[aria-current="page"] {
    background: var(--violet-soft);
  }

  .nav-language {
    margin: 0.35rem 0 0;
    padding: 0.8rem 0.75rem 0.35rem;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .language-switch {
    grid-template-columns: repeat(2, 1fr);
  }

  .language-option {
    min-height: 40px;
    font-size: 0.88rem;
  }

  .intro-grid,
  .scene-grid,
  .scene-grid-reverse,
  .connection-grid,
  .product-hero-grid,
  .product-intro-grid,
  .availability-grid,
  .utility-hero-grid,
  .download-note-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .scene-grid-reverse .scene-copy,
  .scene-grid-reverse .scene-media {
    order: initial;
  }

  .intro-grid,
  .scene-grid,
  .scene-grid-reverse,
  .product-hero-grid,
  .product-intro-grid {
    gap: 3.5rem;
  }

  .connection-grid h2 {
    max-width: 14ch;
  }

  .product-hero {
    min-height: auto;
  }

  .product-hero-copy h1 {
    max-width: 14ch;
  }

  .product-hero-visual {
    min-height: 36rem;
  }

  .feature-rail article {
    grid-template-columns: 0.3fr 0.7fr;
  }

  .feature-rail p {
    grid-column: 2;
  }

  .gallery-heading {
    grid-template-columns: 1fr;
  }

  .download-header {
    display: none;
  }

  .download-row {
    grid-template-columns: 1fr 1fr;
  }

  .download-product,
  .download-row > p {
    grid-column: 1 / -1;
  }

  .download-action {
    justify-self: end;
  }

  .legal-index {
    position: static;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }

  .legal-index a {
    padding-inline: 0.4rem;
    text-align: center;
  }
}

@media (max-width: 720px) {
  :root {
    --nav-h: 64px;
  }

  .container {
    width: min(calc(100% - 2rem), var(--max));
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .home-hero {
    min-height: calc(100svh - var(--nav-h) - 4rem);
    padding-top: 3.2rem;
  }

  .home-hero h1 {
    font-size: 3rem;
    line-height: 1;
  }

  .hero-statement {
    margin-top: 1rem;
    font-size: 2.35rem;
  }

  .hero-intro {
    font-size: 0.96rem;
  }

  .hero-actions,
  .home-hero .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-stage {
    width: calc(100% - 1rem);
    height: 13rem;
    margin-top: 1.6rem;
  }

  .stage-window .window-bar {
    min-height: 28px;
    padding: 0.35rem 0.55rem;
    font-size: 0.66rem;
  }

  .stage-obsidian {
    top: 4.8rem;
    left: -25%;
    width: 72%;
  }

  .stage-web {
    left: 9%;
    width: 82%;
  }

  .stage-marginnote {
    top: 5.2rem;
    right: -27%;
    width: 72%;
  }

  .space-scene,
  .product-intro,
  .product-gallery,
  .closing-cta,
  .legal-section {
    padding-block: 5rem;
  }

  .space-intro {
    padding: 2rem 0 5rem;
  }

  .intro-grid,
  .scene-grid,
  .scene-grid-reverse,
  .connection-grid,
  .product-hero-grid,
  .product-intro-grid,
  .availability-grid,
  .utility-hero-grid,
  .download-note-grid,
  .legal-layout {
    gap: 2.5rem;
  }

  .intro-grid h2,
  .scene-copy h2,
  .gallery-heading h2,
  .product-intro h2,
  .connection-grid h2,
  .availability-grid h2,
  .download-note h2 {
    font-size: 2.45rem;
  }

  .scene-media {
    min-height: 27rem;
  }

  .media-frame-wide {
    top: 1rem;
    width: 100%;
  }

  .media-frame-float {
    width: 38%;
  }

  .media-frame-float-right,
  .media-frame-lower {
    width: 67%;
  }

  .connection-section,
  .availability-band,
  .download-note {
    padding-block: 5rem;
  }

  .connection-list div {
    min-height: 58px;
  }

  .closing-inner h2 {
    font-size: 2.8rem;
  }

  .product-hero {
    padding: 4.5rem 0 5rem;
  }

  .product-hero-copy h1 {
    font-size: 3.05rem;
  }

  .product-hero-lead {
    font-size: 1.28rem;
  }

  .product-meta {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .product-meta div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }

  .product-hero-visual {
    min-height: 25rem;
  }

  .screenshot-placeholder-gallery .screenshot-placeholder-copy {
    min-height: 22rem;
    padding: 2rem 1.2rem;
    padding-left: calc(16% + 1.2rem);
  }

  .screenshot-placeholder-gallery .screenshot-placeholder-copy::after {
    width: 16%;
  }

  .screenshot-placeholder::after {
    width: 16%;
  }

  .screenshot-placeholder-copy {
    margin-left: 16%;
  }

  .hero-product-window-main {
    width: 100%;
  }

  .hero-product-window-side {
    right: 0;
    width: 39%;
  }

  .hero-product-window-lower {
    right: 0;
    width: 72%;
  }

  .feature-rail article {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 2.3rem 0;
  }

  .feature-rail p {
    grid-column: auto;
  }

  .feature-rail h3 {
    font-size: 1.5rem;
  }

  .gallery-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .gallery-shot-wide {
    grid-column: auto;
  }

  .gallery-shot-tall,
  .gallery-shot-poster {
    max-width: 100%;
    justify-self: stretch;
  }

  .gallery-shot figcaption {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .utility-hero {
    min-height: 23rem;
    padding-block: 4.5rem;
  }

  .utility-hero h1 {
    font-size: 3.4rem;
  }

  .updates-hero h1 {
    font-size: 3.2rem;
  }

  .download-row {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .download-product,
  .download-row > p {
    grid-column: auto;
  }

  .download-action {
    justify-self: stretch;
  }

  .contact-socials {
    grid-template-columns: 1fr;
  }

  .download-action .button {
    width: 100%;
  }

  .download-note dl div {
    gap: 1rem;
  }

  .update-tabs {
    position: static;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    width: 100%;
    gap: 0 0.5rem;
  }

  .update-tabs button {
    grid-column: span 2;
  }

  .update-tabs button:nth-last-child(-n + 2) {
    grid-column: span 3;
  }

  .update-entry {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    padding: 3rem 0;
  }

  .update-entry h2 {
    font-size: 2rem;
  }

  .legal-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .legal-copy h2 {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 420px) {
  .home-hero h1 {
    font-size: 2.7rem;
  }

  .hero-statement {
    font-size: 2.18rem;
  }

  .intro-grid h2,
  .scene-copy h2,
  .gallery-heading h2,
  .product-intro h2,
  .connection-grid h2,
  .availability-grid h2,
  .download-note h2 {
    font-size: 2.25rem;
  }

  .product-hero-copy h1 {
    font-size: 2.75rem;
  }

  .utility-hero h1 {
    font-size: 3.1rem;
  }

  .updates-hero h1 {
    font-size: 3rem;
  }
}

@media (min-width: 721px) and (max-height: 760px) {
  .home-hero {
    padding-top: 3rem;
  }

  .hero-statement {
    margin-top: 0.9rem;
  }

  .hero-intro {
    margin-top: 0.65rem;
  }

  .home-hero .hero-actions {
    margin-top: 1.1rem;
  }

  .hero-stage {
    height: 8.5rem;
    margin-top: 1.3rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .motion-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}