:root {
  color-scheme: dark;
  --page: #091210;
  --page-soft: #0d1714;
  --surface: rgba(11, 22, 19, 0.88);
  --surface-solid: #101d19;
  --surface-raised: #16251f;
  --text: #f0f5f2;
  --text-soft: #c6d2cd;
  --text-muted: #9caaa4;
  --line: rgba(232, 241, 236, 0.16);
  --line-strong: rgba(232, 241, 236, 0.28);
  --accent: #bed6bd;
  --accent-strong: #d2e5cf;
  --accent-ink: #102016;
  --danger: #efb5aa;
  --font-display: "Avenir Next", "Segoe UI Variable Display", "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --font-body: "Avenir Next", "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --radius-panel: 28px;
  --radius-media: 28px;
  --radius-control: 999px;
  --shell: min(100% - 48px, 1400px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--page);
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

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

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 4px;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 16px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease-out;
}

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

.content-shell {
  width: var(--shell);
  margin-inline: auto;
}

.content-shell--narrow {
  max-width: 1060px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
  white-space: nowrap;
  transition:
    background-color 180ms ease-out,
    transform 180ms ease-out;
}

.button:hover {
  background: var(--accent-strong);
}

.button:active {
  transform: scale(0.98);
}

.button--compact {
  min-height: 44px;
  padding-inline: 18px;
  font-size: 14px;
}

/* Header */
.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  height: 76px;
}

.site-header__inner {
  width: var(--shell);
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}

.brand-lockup {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  min-height: 44px;
  padding-block: 10px;
  color: var(--text);
}

.brand-lockup__company {
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

.brand-lockup__product {
  color: var(--text);
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.site-nav a,
.site-footer__links a,
.availability-links a {
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
  transition: color 160ms ease-out;
}

.site-nav a:hover,
.site-footer__links a:hover,
.availability-links a:hover {
  color: var(--text);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-header--solid {
  background: linear-gradient(180deg, rgba(7, 16, 14, 0.92), rgba(7, 16, 14, 0));
}

.experience-back {
  min-height: 44px;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 650;
  transition: color 160ms ease-out;
}

.experience-back:hover {
  color: var(--text);
}

.language-switch {
  display: grid;
  grid-template-columns: repeat(2, 44px);
  align-items: center;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: rgba(7, 15, 13, 0.46);
}

.language-switch button {
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.language-switch button[aria-pressed="true"] {
  background: rgba(232, 241, 236, 0.14);
  color: var(--text);
}

/* Hero and live product preview */
.hero-section {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  overflow: hidden;
  background: #0b1517;
}

.hero-section__image,
.hero-section__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-section__image {
  z-index: -3;
  object-fit: cover;
  object-position: 58% center;
  filter: saturate(1.08) contrast(1.04) brightness(0.96);
}

.hero-section__shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 10, 9, 0.76) 0%, rgba(4, 10, 9, 0.4) 42%, rgba(4, 10, 9, 0.06) 78%),
    linear-gradient(180deg, rgba(4, 10, 9, 0.56) 0%, transparent 26%, rgba(4, 10, 9, 0.52) 100%);
}

.hero-grid {
  width: var(--shell);
  min-height: 100dvh;
  margin-inline: auto;
  padding-block: 106px 46px;
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(520px, 1.2fr);
  align-items: center;
  gap: clamp(48px, 6vw, 104px);
}

.hero-grid--editorial {
  grid-template-columns: minmax(320px, 0.82fr) minmax(360px, 1.18fr);
}

.hero-grid--editorial .hero-copy {
  max-width: 720px;
}

.hero-copy {
  max-width: 580px;
}

.product-kicker {
  margin: 0 0 22px;
  color: var(--text);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.product-kicker span {
  margin-left: 8px;
  color: var(--text-muted);
  font-weight: 550;
}

.hero-copy h1 {
  max-width: 10.5em;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(46px, 5.4vw, 78px);
  font-weight: 630;
  letter-spacing: -0.055em;
  line-height: 1.06;
  text-wrap: balance;
}

.hero-copy__lede {
  max-width: 30em;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.65;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.availability {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: rgba(7, 15, 13, 0.48);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}

.experience-shell {
  width: 100%;
  max-width: 660px;
  justify-self: end;
  padding: 20px;
  border: 1px solid rgba(232, 241, 236, 0.2);
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 32px 90px rgba(2, 8, 7, 0.34);
  -webkit-backdrop-filter: blur(28px) saturate(116%);
  backdrop-filter: blur(28px) saturate(116%);
}

.experience-shell__topline {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.experience-label {
  margin: 0 0 1px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 650;
}

.experience-shell__topline h2 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.ambient-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  transition:
    border-color 160ms ease-out,
    background-color 160ms ease-out,
    transform 160ms ease-out;
}

.ambient-toggle:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.07);
}

.ambient-toggle:active,
.demo-controls button:active,
.radio-toggle:active,
.scene-tabs button:active {
  transform: scale(0.98);
}

.ambient-toggle [data-ambient-indicator] {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  box-shadow: 0 0 0 4px rgba(232, 241, 236, 0.06);
}

.ambient-toggle[aria-pressed="true"] [data-ambient-indicator] {
  background: var(--accent);
}

.scene-tabs {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.35fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: rgba(0, 0, 0, 0.14);
}

.scene-tabs button {
  min-width: 0;
  min-height: 44px;
  padding: 0 14px;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition:
    background-color 160ms ease-out,
    color 160ms ease-out,
    transform 160ms ease-out;
}

.scene-tabs button[aria-selected="true"] {
  background: rgba(232, 241, 236, 0.13);
  color: var(--text);
}

.scene-tabs button span {
  color: inherit;
  opacity: 0.72;
}

.demo-stage {
  position: relative;
  isolation: isolate;
  min-height: 454px;
  margin-top: 14px;
  padding: 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(232, 241, 236, 0.13);
  border-radius: calc(var(--radius-panel) - 8px);
  background: #182622;
}

.demo-stage__atmosphere {
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(7, 14, 13, 0.28), rgba(7, 14, 13, 0.79)),
    url("home/ambient-lake-v1.jpg");
  background-size: cover;
  background-position: 62% center;
  transform: scale(1.01);
  transition: filter 260ms ease-out, transform 260ms var(--ease);
}

.demo-stage[data-scene-active="flashcard"] .demo-stage__atmosphere {
  filter: saturate(0.72) brightness(0.74);
  transform: scale(1.04);
}

.demo-stage[data-scene-active="radio"] .demo-stage__atmosphere {
  filter: saturate(0.8) brightness(0.68);
  transform: scale(1.025);
}

.clock-face {
  min-height: 84px;
}

.clock-face__time {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(48px, 5vw, 68px);
  font-weight: 520;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.clock-face__date {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

.demo-stage[data-scene-active="flashcard"] .clock-face,
.demo-stage[data-scene-active="radio"] .clock-face {
  display: none;
}

.word-card {
  max-width: 34em;
  margin-block: auto;
  transition: opacity 180ms ease-out, transform 180ms var(--ease);
}

.word-card.is-changing {
  opacity: 0;
  transform: translateY(9px);
}

.word-card p {
  margin: 0;
}

.word-card__meaning {
  color: var(--text-soft);
  font-size: 16px;
  font-weight: 600;
}

.word-card__termline {
  margin-top: 4px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.word-card__termline h3 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 66px);
  font-weight: 630;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.word-card__termline span {
  color: var(--text-muted);
  font-size: 13px;
}

.word-card__example {
  margin-top: 17px !important;
  color: var(--text);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.45;
}

.word-card__translation {
  margin-top: 5px !important;
  color: var(--text-muted);
  font-size: 14px;
}

.radio-preview {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.radio-preview__copy {
  min-width: 0;
}

.radio-preview__copy span,
.radio-preview__copy strong {
  display: block;
}

.radio-preview__copy span {
  color: var(--text-muted);
  font-size: 12px;
}

.radio-preview__copy strong {
  margin-top: 1px;
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.radio-toggle {
  min-height: 44px;
  flex: 0 0 auto;
  padding: 0 16px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-control);
  background: rgba(190, 214, 189, 0.12);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: transform 160ms ease-out, background-color 160ms ease-out;
}

.radio-toggle:hover {
  background: rgba(190, 214, 189, 0.2);
}

.demo-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.demo-controls button {
  min-width: 0;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: rgba(4, 10, 9, 0.34);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  transition:
    border-color 160ms ease-out,
    background-color 160ms ease-out,
    transform 160ms ease-out;
}

.demo-controls button:hover {
  border-color: var(--line-strong);
  background: rgba(232, 241, 236, 0.1);
  color: var(--text);
}

.demo-controls button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.demo-controls button:disabled:hover {
  border-color: var(--line);
  background: rgba(4, 10, 9, 0.34);
  color: var(--text-soft);
}

.demo-status {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.experience-note {
  margin: 13px 4px 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

/* Standalone product experience */
.experience-main {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  overflow: hidden;
  padding-block: 108px 72px;
  background: var(--page);
}

.experience-page__image,
.experience-page__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.experience-page__image {
  z-index: -3;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.7) contrast(1.04) brightness(0.62);
}

.experience-page__shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 10, 9, 0.88), rgba(4, 10, 9, 0.42) 58%, rgba(4, 10, 9, 0.72)),
    linear-gradient(180deg, rgba(4, 10, 9, 0.55), transparent 32%, rgba(4, 10, 9, 0.86));
}

.experience-page__layout {
  min-height: calc(100dvh - 180px);
  display: grid;
  grid-template-columns: minmax(260px, 0.64fr) minmax(520px, 1fr);
  align-items: center;
  gap: clamp(42px, 6vw, 96px);
}

.experience-page__intro {
  max-width: 520px;
}

.experience-page__intro h1 {
  max-width: 9em;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 630;
  letter-spacing: -0.05em;
  line-height: 1.06;
  text-wrap: balance;
}

.experience-page__intro > p:last-child {
  max-width: 34em;
  margin: 22px 0 0;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.7;
}

.experience-shell--standalone {
  max-width: 760px;
  justify-self: stretch;
}

/* Product story */
.principle-section,
.everyday-section,
.availability-section {
  position: relative;
}

.principle-section {
  padding-block: clamp(96px, 12vw, 176px);
  background: var(--page);
}

.principle-section h2 {
  max-width: 14em;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(40px, 5.2vw, 72px);
  font-weight: 610;
  letter-spacing: -0.05em;
  line-height: 1.08;
  text-wrap: balance;
}

.principle-section > div > p {
  max-width: 42em;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.7;
}

.learning-flow {
  counter-reset: learning-step;
  margin: clamp(56px, 7vw, 88px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.learning-flow li {
  position: relative;
  min-height: 144px;
  padding: 22px 22px 18px 0;
  counter-increment: learning-step;
}

.learning-flow li:not(:last-child) {
  border-right: 1px solid var(--line);
  margin-right: 22px;
}

.learning-flow li::before {
  content: "0" counter(learning-step);
  display: block;
  margin-bottom: 28px;
  color: var(--text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.learning-flow span,
.learning-flow strong {
  display: block;
}

.learning-flow span {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
}

.learning-flow strong {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

.everyday-section {
  padding-block: clamp(88px, 10vw, 144px);
  background: var(--page-soft);
}

.everyday-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(380px, 1fr);
  align-items: center;
  gap: clamp(56px, 9vw, 144px);
}

.everyday-image {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface-solid);
}

.everyday-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.02) brightness(0.9);
}

.everyday-copy {
  max-width: 610px;
}

.everyday-copy h2,
.availability-section h2 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(38px, 4.6vw, 64px);
  font-weight: 610;
  letter-spacing: -0.05em;
  line-height: 1.08;
  text-wrap: balance;
}

.everyday-copy > p {
  max-width: 36em;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.75;
}

.product-facts {
  margin: 42px 0 0;
  border-top: 1px solid var(--line-strong);
}

.product-facts div {
  display: grid;
  grid-template-columns: minmax(128px, 0.34fr) 1fr;
  gap: 24px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
}

.product-facts dt {
  color: var(--text);
  font-size: 14px;
  font-weight: 720;
}

.product-facts dd {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.availability-section {
  padding-block: clamp(88px, 10vw, 140px);
  background: var(--surface-solid);
}

.availability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 56px;
}

.availability-section h2 {
  max-width: 12em;
}

.availability-section p {
  max-width: 38em;
  margin: 22px 0 0;
  color: var(--text-soft);
  font-size: 17px;
}

.availability-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.availability--large {
  min-height: 48px;
  padding-inline: 20px;
  background: rgba(190, 214, 189, 0.08);
  font-size: 14px;
}

.availability-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: underline;
  text-decoration-color: rgba(232, 241, 236, 0.35);
  text-underline-offset: 5px;
}

/* Footer */
.site-footer {
  padding-block: 44px calc(40px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: #07100e;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 34px 60px;
}

.site-footer__brand strong {
  color: var(--text);
  font-size: 17px;
}

.site-footer__brand p {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.site-footer__links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  flex-wrap: wrap;
}

.site-footer__links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-footer__legal {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 12px;
}

.site-footer__records {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px 22px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 12px;
}

.site-footer__records a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  text-decoration: underline;
  text-decoration-color: rgba(232, 241, 236, 0.35);
  text-underline-offset: 4px;
}

.site-footer--compact {
  padding-block: 32px calc(28px + env(safe-area-inset-bottom));
}

/* Existing information pages */
.bg {
  position: fixed;
  z-index: 0;
  inset: 0;
  background: var(--page);
}

.bg .poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.42);
}

.scrim {
  position: fixed;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6, 14, 12, 0.9), rgba(6, 14, 12, 0.5)),
    linear-gradient(180deg, rgba(6, 14, 12, 0.18), rgba(6, 14, 12, 0.88));
}

.page {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.page-top {
  width: min(100% - 40px, 820px);
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-top .wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-size: 18px;
  font-weight: 750;
}

.page-top .back,
.page-main .back {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
}

.page-main {
  width: min(100% - 40px, 820px);
  margin-inline: auto;
  flex: 1;
  padding-block: clamp(52px, 8vw, 92px) 96px;
}

.page-main h1 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 68px);
  font-weight: 610;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.page-main .page-lede {
  max-width: 46em;
  margin: 20px 0 0;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.75;
}

.page-main section {
  margin-top: 44px;
}

.page-main h2 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 16px;
  font-weight: 720;
}

.page-main p,
.page-main li {
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-main p {
  margin: 0 0 14px;
}

.page-main ul {
  margin: 0;
  padding-left: 1.2em;
}

.page-main li {
  margin: 8px 0;
}

.page-main .contact-line {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-main .contact-line strong,
.page-main .contact-line span {
  display: block;
}

.page-main .contact-line strong {
  color: var(--text);
  font-weight: 700;
}

.page-main .contact-line span {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 14px;
}

.glass-footer {
  position: relative;
  z-index: 3;
  border-top: 1px solid var(--line);
  background: rgba(7, 16, 14, 0.94);
}

.footer-inner {
  width: min(100% - 40px, 1100px);
  margin-inline: auto;
  padding-block: 40px 30px;
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) 1fr;
  gap: 32px 60px;
}

.footer-brand .wordmark-sm {
  color: var(--text);
  font-size: 18px;
  font-weight: 750;
}

.footer-brand .company-promise {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 15px;
}

.footer-brand .company-promise-en {
  margin: 3px 0 0;
  color: var(--text-muted);
  font-size: 12px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-nav h2 {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

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

.footer-nav li {
  margin: 4px 0;
}

.footer-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  font-size: 14px;
}

.footer-rule {
  grid-column: 1 / -1;
  width: 100%;
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line);
}

.legal-row {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 12px;
}

.legal-row p {
  margin: 0;
}

.legal-row .filing-info {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px 20px;
  flex-wrap: wrap;
}

.legal-row .filing-info a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  text-decoration: underline;
  text-decoration-color: rgba(232, 241, 236, 0.35);
  text-underline-offset: 4px;
}

@supports not (backdrop-filter: blur(2px)) {
  .experience-shell {
    background: rgba(11, 22, 19, 0.97);
  }
}

@media (max-width: 1100px) {
  :root {
    --shell: min(100% - 40px, 1040px);
  }

  .site-header__inner {
    gap: 22px;
  }

  .hero-grid {
    grid-template-columns: minmax(250px, 0.7fr) minmax(480px, 1.3fr);
    gap: 36px;
  }

  .hero-copy h1 {
    font-size: clamp(44px, 5.6vw, 64px);
  }
}

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

  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .hero-section__image {
    object-position: 68% center;
  }

  .hero-section__shade {
    background:
      linear-gradient(180deg, rgba(4, 10, 9, 0.58) 0%, rgba(4, 10, 9, 0.16) 34%, rgba(4, 10, 9, 0.68) 100%),
      linear-gradient(90deg, rgba(4, 10, 9, 0.62) 0%, rgba(4, 10, 9, 0.34) 66%, rgba(4, 10, 9, 0.1) 100%);
  }

  .hero-grid {
    min-height: auto;
    padding-block: 118px 64px;
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-grid--editorial {
    min-height: 100dvh;
  }

  .experience-page__layout {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .experience-page__intro {
    max-width: 720px;
  }

  .experience-page__intro h1 {
    max-width: 12em;
    font-size: clamp(40px, 7vw, 58px);
  }

  .experience-shell--standalone {
    max-width: 720px;
  }

  .hero-copy {
    max-width: 660px;
  }

  .hero-copy h1 {
    max-width: 11em;
  }

  .experience-shell {
    max-width: 720px;
    justify-self: stretch;
  }

  .everyday-grid {
    grid-template-columns: minmax(280px, 0.8fr) 1fr;
    gap: 44px;
  }

  .availability-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .availability-links {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  :root {
    --shell: min(100% - 32px, 640px);
    --radius-panel: 22px;
    --radius-media: 22px;
  }

  .site-header {
    height: 70px;
  }

  .brand-lockup__company,
  .site-header .button--compact,
  .experience-back {
    display: none;
  }

  .experience-page .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .hero-grid {
    padding-block: 104px 42px;
    gap: 44px;
  }

  .hero-copy h1 {
    max-width: 9.8em;
    font-size: clamp(40px, 11.5vw, 58px);
  }

  .hero-copy__lede {
    font-size: 16px;
  }

  .experience-shell {
    padding: 14px;
  }

  .experience-shell__topline {
    align-items: flex-start;
  }

  .ambient-toggle {
    max-width: 150px;
  }

  .scene-tabs {
    grid-template-columns: 0.9fr 1.18fr 1.2fr;
  }

  .scene-tabs button {
    padding-inline: 8px;
    font-size: 14px;
  }

  .demo-stage {
    min-height: 470px;
    padding: 24px 20px 20px;
  }

  .clock-face__time {
    font-size: 52px;
  }

  .word-card__termline h3 {
    font-size: clamp(44px, 14vw, 60px);
  }

  .radio-preview {
    align-items: flex-start;
  }

  .learning-flow {
    grid-template-columns: 1fr 1fr;
  }

  .learning-flow li:nth-child(2) {
    margin-right: 0;
    border-right: 0;
  }

  .learning-flow li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .everyday-grid {
    grid-template-columns: 1fr;
  }

  .everyday-image {
    width: min(100%, 520px);
    aspect-ratio: 5 / 4;
  }

  .everyday-image img {
    height: 100%;
    aspect-ratio: auto;
    object-position: center 46%;
  }

  .experience-main {
    padding-block: 96px 48px;
  }

  .experience-page__layout {
    gap: 26px;
  }

  .experience-page__intro .product-kicker {
    margin-bottom: 12px;
  }

  .experience-page__intro h1 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .experience-page__intro > p:last-child {
    margin-top: 14px;
  }

  .experience-shell--standalone .demo-stage {
    min-height: 400px;
  }

  .everyday-copy {
    max-width: none;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-footer__links {
    justify-content: flex-start;
    gap: 22px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }

  .footer-nav .support {
    grid-column: 1 / -1;
  }
}

@media (max-width: 430px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .site-header__actions {
    gap: 8px;
  }

  .experience-main {
    padding-block: 88px 38px;
  }

  .experience-page__intro h1 {
    max-width: 10em;
    font-size: clamp(32px, 10vw, 40px);
  }

  .experience-page__intro > p:last-child {
    font-size: 15px;
  }

  .experience-shell--standalone {
    padding: 12px;
  }

  .experience-shell--standalone .demo-stage {
    min-height: 380px;
    padding: 22px 18px 18px;
  }

  .language-switch {
    grid-template-columns: repeat(2, 44px);
  }

  .language-switch button {
    min-width: 44px;
  }

  .product-kicker {
    margin-bottom: 18px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

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

  .experience-shell__topline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ambient-toggle {
    max-width: none;
    justify-self: start;
  }

  .scene-tabs {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.12fr) minmax(0, 1.3fr);
  }

  .scene-tabs button {
    padding-inline: 4px;
    font-size: 14px;
  }

  .radio-preview {
    min-height: 108px;
    flex-direction: column;
  }

  .radio-toggle {
    width: 100%;
  }

  .demo-controls {
    gap: 6px;
  }

  .demo-controls button {
    padding-inline: 6px;
    font-size: 14px;
  }

  .learning-flow {
    grid-template-columns: 1fr;
  }

  .learning-flow li,
  .learning-flow li:not(:last-child) {
    min-height: auto;
    margin-right: 0;
    padding: 20px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .learning-flow li::before {
    margin-bottom: 16px;
  }

  .product-facts div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (min-width: 768px) and (max-height: 620px) {
  .site-header {
    height: 64px;
  }

  .hero-grid {
    min-height: 620px;
    padding-block: 76px 28px;
    align-items: start;
  }

  .hero-copy {
    padding-top: 22px;
  }

  .product-kicker {
    margin-bottom: 12px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 5.4vw, 52px);
  }

  .hero-copy__lede {
    margin-top: 14px;
    font-size: 15px;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .experience-shell {
    padding: 12px;
  }

  .experience-shell__topline {
    min-height: 42px;
  }

  .scene-tabs {
    margin-top: 8px;
  }

  .demo-stage {
    min-height: 360px;
    margin-top: 8px;
    padding: 20px;
  }

  .clock-face {
    min-height: 62px;
  }

  .clock-face__time {
    font-size: 42px;
  }

  .clock-face__date {
    margin-top: 5px;
  }

  .word-card__termline h3 {
    font-size: 42px;
  }

  .word-card__example {
    margin-top: 9px !important;
    font-size: 14px;
  }

  .experience-note,
  .demo-status {
    display: none;
  }

  .experience-main {
    padding-block: 72px 24px;
  }

  .experience-page__layout {
    min-height: calc(100dvh - 96px);
    grid-template-columns: minmax(190px, 0.48fr) minmax(470px, 1fr);
    gap: 24px;
  }

  .experience-page__intro .product-kicker {
    margin-bottom: 10px;
    font-size: 12px;
  }

  .experience-page__intro h1 {
    max-width: 9em;
    font-size: clamp(30px, 4.2vw, 40px);
  }

  .experience-page__intro > p:last-child {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.55;
  }

  .experience-shell--standalone {
    padding: 10px;
  }

  .experience-shell--standalone .demo-stage {
    min-height: 280px;
    padding: 16px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: hero-enter 720ms var(--ease) both;
  }

  .experience-shell {
    animation: demo-enter 800ms 80ms var(--ease) both;
  }

  @keyframes hero-enter {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes demo-enter {
    from {
      opacity: 0;
      transform: translateY(22px) scale(0.985);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}

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

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

@media (prefers-reduced-transparency: reduce) {
  .experience-shell,
  .language-switch,
  .availability {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--surface-solid);
  }
}

/* Static bilingual information architecture and product pages */
html,
body {
  min-width: 0;
}

.language-switch a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-control);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.language-switch a:hover {
  color: var(--text);
}

.language-switch a[aria-current="page"] {
  background: rgba(232, 241, 236, 0.14);
  color: var(--text);
}

.hero-secondary-link,
.inline-links a,
.content-sections a,
.breadcrumb a,
.contact-email a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(190, 214, 189, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero-secondary-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 680;
}

.products-section {
  padding-block: clamp(88px, 10vw, 144px);
  background:
    radial-gradient(circle at 18% 8%, rgba(190, 214, 189, 0.08), transparent 30%),
    var(--page);
}

.section-heading {
  max-width: 820px;
}

.section-heading h2 {
  max-width: 13em;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(38px, 5.2vw, 68px);
  font-weight: 610;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section-heading p {
  max-width: 42em;
  margin: 22px 0 0;
  font-size: 17px;
}

.product-overview-grid {
  margin-top: clamp(46px, 6vw, 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 20px;
}

.product-overview {
  min-height: 380px;
  padding: clamp(30px, 4vw, 54px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: rgba(13, 25, 21, 0.76);
}

.product-overview--primary {
  min-height: 480px;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(5, 12, 10, 0.12), rgba(5, 12, 10, 0.9)),
    url("/assets/home/quiet-workspace-v1.jpg") center 44% / cover;
}

.product-overview--secondary {
  justify-content: center;
  background:
    linear-gradient(145deg, rgba(190, 214, 189, 0.09), transparent 54%),
    var(--surface-solid);
}

.product-overview h3 {
  margin: 22px 0 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(30px, 3.8vw, 50px);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.product-overview--secondary h3 {
  max-width: 8em;
  font-size: clamp(29px, 3.2vw, 42px);
}

.product-overview p {
  max-width: 39em;
  margin: 20px 0 0;
  color: var(--text-soft);
}

.product-status {
  min-height: 32px;
  padding: 5px 12px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(190, 214, 189, 0.28);
  border-radius: var(--radius-control);
  background: rgba(9, 18, 16, 0.68);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 720;
}

.inline-links {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px 24px;
  flex-wrap: wrap;
}

.inline-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 680;
}

.content-page .site-header {
  position: absolute;
}

.content-page .page-main {
  padding-top: clamp(132px, 12vw, 178px);
}

.page-main--wide {
  width: min(100% - 48px, 1120px);
}

.content-sections {
  margin-top: 58px;
}

.content-sections > section {
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.content-sections > section:first-child {
  margin-top: 0;
}

.content-sections h2,
.support-section > h2 {
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 620;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.breadcrumb {
  margin-bottom: 34px;
}

.breadcrumb ol {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  list-style: none;
  color: var(--text-muted);
  font-size: 13px;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: rgba(198, 210, 205, 0.48);
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px 64px;
}

.product-detail-hero h1 {
  max-width: 13em;
}

.product-status--large {
  min-height: 42px;
  padding-inline: 17px;
  white-space: nowrap;
}

.product-sections {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 0 56px;
}

.product-sections > section {
  grid-column: 2;
}

.product-sections > .mode-grid {
  grid-column: 1;
  grid-row: 1 / span 3;
  padding-right: 12px;
}

.product-sections > .product-action-section {
  grid-column: 1 / -1;
}

.product-detail-page--wma .product-sections {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-detail-page--wma .product-sections > section {
  grid-column: auto;
}

.product-detail-page--wma .product-sections > .story-section:first-child {
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 44px;
}

.product-detail-page--wma .product-sections > .product-action-section {
  grid-column: 1 / -1;
}

.mode-cards {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(220px, 0.82fr);
  gap: 14px;
}

.mode-cards article,
.faq-item {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(14, 27, 23, 0.75);
}

.mode-cards article:first-child {
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(190, 214, 189, 0.05), rgba(190, 214, 189, 0.12)),
    var(--surface-solid);
}

.mode-cards h3,
.faq-item h3 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  line-height: 1.35;
}

.mode-cards p,
.faq-item p {
  margin: 12px 0 0;
  font-size: 15px;
}

.support-status {
  width: fit-content;
  margin-top: 28px !important;
  padding: 10px 15px;
  border: 1px solid rgba(190, 214, 189, 0.24);
  border-radius: var(--radius-control);
  background: rgba(190, 214, 189, 0.08);
  color: var(--accent-strong) !important;
  font-size: 14px !important;
}

.support-section {
  margin-top: 62px !important;
}

.faq-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-item:last-child {
  grid-column: 1 / -1;
}

.support-contact,
.product-action-section {
  margin-top: 64px !important;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: rgba(14, 27, 23, 0.76);
}

.contact-email a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: clamp(18px, 3vw, 24px);
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .product-overview-grid,
  .product-sections {
    grid-template-columns: 1fr;
  }

  .product-overview--primary {
    min-height: 430px;
  }

  .product-sections > section,
  .product-sections > .mode-grid,
  .product-sections > .product-action-section {
    grid-column: 1;
    grid-row: auto;
  }

  .product-detail-page--wma .product-sections {
    grid-template-columns: 1fr;
  }

  .product-detail-page--wma .product-sections > section,
  .product-detail-page--wma .product-sections > .product-action-section {
    grid-column: 1;
    grid-row: auto;
  }

  .product-detail-page--wma .product-sections > .story-section:first-child {
    padding-right: 0;
  }

  .product-sections > .mode-grid {
    padding-right: 0;
  }
}

@media (max-width: 700px) {
  .page-main--wide,
  .content-page .page-main {
    width: var(--shell);
  }

  .content-page .page-main {
    padding-top: 118px;
    padding-bottom: 72px;
  }

  .product-detail-hero,
  .mode-cards,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .product-status--large {
    justify-self: start;
  }

  .mode-cards article:first-child,
  .faq-item:last-child {
    grid-column: auto;
    grid-row: auto;
  }

  .product-overview--primary {
    min-height: 390px;
  }

  .support-contact,
  .product-action-section {
    padding: 26px;
  }
}

@media (max-width: 430px) {
  .products-section {
    padding-block: 76px;
  }

  .product-overview {
    min-height: 0;
    padding: 28px 24px;
  }

  .product-overview--primary {
    min-height: 370px;
  }

  .content-sections,
  .support-section {
    margin-top: 46px !important;
  }

  .mode-cards article,
  .faq-item {
    padding: 22px;
  }

  .support-contact,
  .product-action-section {
    margin-top: 48px !important;
    padding: 22px;
  }
}

@media (max-width: 260px) {
  :root {
    --shell: calc(100% - 20px);
    --radius-panel: 18px;
    --radius-media: 18px;
  }

  .site-header__inner {
    gap: 4px;
  }

  .brand-lockup__product {
    font-size: 15px;
  }

  .language-switch {
    grid-template-columns: repeat(2, 38px);
  }

  .language-switch a {
    min-width: 38px;
  }

  .hero-copy h1,
  .page-main h1 {
    font-size: 34px;
  }

  .button {
    width: 100%;
    padding-inline: 14px;
    white-space: normal;
    text-align: center;
  }

  .content-page .page-main,
  .content-page .page-main * {
    min-width: 0;
  }

  .product-status--large,
  .support-status {
    max-width: 100%;
    white-space: normal;
    text-align: center;
  }

  .contact-email a {
    display: inline;
    word-break: break-all;
  }

  .product-overview,
  .mode-cards article,
  .faq-item,
  .support-contact,
  .product-action-section {
    padding: 18px;
  }

  .site-footer__links,
  .inline-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}
