:root {
  --font-sans: "Satoshi", Inter, system-ui, sans-serif;
  --font-sans-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", var(--font-sans);
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-brand: "Satoshi", Inter, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --home-tracking-en: -0.035em;
  --bg: hsl(0 0% 0%);
  --text: hsl(0 0% 100%);
  --muted: hsl(0 0% 52%);
  --muted-2: hsl(0 0% 72%);
  --line: hsl(0 0% 18%);
  --gold: #f0b90b;
  --beta: #53fc18;
  --lite: hsl(40 22% 96%);
  --lite-ink: hsl(0 0% 7%);
  --lite-line: hsl(32 12% 84%);
  --muted-page: hsl(40 10% 92%);
  --muted-card: hsl(40 8% 87%);
  --nav-h: 65px;
  --page-x: clamp(1.25rem, 4vw, 3.5rem);
  --scroll-size: 8px;
  --scroll-track: hsl(40 10% 88%);
  --scroll-thumb-start: #c9a227;
  --scroll-thumb-end: #f0b90b;
  --scroll-thumb-hover-start: #d4ad2a;
  --scroll-thumb-hover-end: #f5c518;
}

.page-home {
  overflow: visible;
  background: var(--lite);
  color: var(--lite-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

/* Hero is the only dark band; the page shell stays light so scroll gaps never flash black. */
.page-home > .hero {
  position: relative;
  z-index: 2;
  background: #000;
  color: var(--text);
}

.app--home {
  background: var(--lite);
}

.app--home.raiders-scroll {
  scrollbar-gutter: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.app--home.raiders-scroll::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

html:not(.lang-zh) .page-home {
  letter-spacing: var(--home-tracking-en);
}

html.lang-zh .page-home {
  font-family: var(--font-sans-zh);
  letter-spacing: 0;
}

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

::selection {
  background: color-mix(in srgb, var(--gold) 45%, black);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

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

.raiders-scroll {
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb-end) transparent;
}

.raiders-scroll::-webkit-scrollbar {
  width: var(--scroll-size);
  height: var(--scroll-size);
}

.raiders-scroll::-webkit-scrollbar-track {
  background: var(--scroll-track);
  border-radius: 999px;
}

.raiders-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--scroll-thumb-start), var(--scroll-thumb-end));
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

.raiders-scroll::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--scroll-thumb-hover-start), var(--scroll-thumb-hover-end));
  background-clip: padding-box;
}

/* Scrolling header pane — nav links scroll away; logo/buttons stay fixed */
.nav-header-pane {
  position: relative;
  z-index: 90;
  height: var(--nav-h);
  pointer-events: none;
  background-color: transparent;
  border: none;
  box-shadow: none;
  outline: none;
}

.nav-header-pane-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  pointer-events: none;
}

.nav-header-pane.is-on-lite .nav-link {
  color: hsl(40 8% 28% / 0.88);
}

.nav-header-pane.is-on-lite .nav-link:hover,
.nav-header-pane.is-on-lite .nav-link.is-active {
  color: #111;
}

.app--home #demoTopNavLinks {
  display: none !important;
}

.app--home .demo-top-nav {
  mix-blend-mode: exclusion;
  pointer-events: none;
  height: var(--nav-h);
  padding: 0 clamp(1.25rem, 4vw, 2rem);
  align-items: center;
}

.app--home .demo-top-nav-start,
.app--home .demo-top-nav-end {
  pointer-events: auto;
}

.app--home .demo-top-nav .brand-logo {
  height: 36px;
}

.app--home .demo-top-nav .brand-beta-badge {
  color: var(--beta);
  font-family: var(--font-brand);
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.app--home .demo-top-nav.is-on-lite {
  mix-blend-mode: normal;
}

.app--home .demo-top-nav.is-on-lite .brand-logo {
  filter: brightness(0);
}

.app--home .demo-top-nav.is-on-lite .lang-btn {
  border-color: hsl(40 8% 28% / 0.35);
  color: hsl(40 8% 28% / 0.88);
}

.app--home .demo-top-nav.is-on-lite .lang-div {
  background: hsl(40 8% 28% / 0.35);
}

html[lang="zh-CN"] .app--home .demo-top-nav.is-on-lite .lang-cn,
html:not([lang="zh-CN"]) .app--home .demo-top-nav.is-on-lite .lang-en {
  color: #111;
}

.app--home .demo-top-nav .lang-btn {
  flex-shrink: 0;
}

.app--home .demo-top-nav.is-on-lite .nav-signin-btn {
  border-color: hsl(40 8% 28% / 0.35);
  color: hsl(40 8% 28% / 0.88);
}

.app--home .demo-top-nav.is-on-lite .demo-top-nav-links {
  background: hsl(40 18% 90% / 0.72);
  border-color: hsl(40 12% 78% / 0.55);
}

.app--home .demo-top-nav.is-on-lite .demo-nav-btn {
  color: hsl(40 8% 28% / 0.88);
}

.app--home .demo-top-nav.is-on-lite .demo-nav-btn:hover {
  background: hsl(40 12% 84% / 0.55);
}

.app--home .demo-top-nav.is-on-lite .demo-nav-btn.active {
  background: #111;
  color: #fff;
}

.brand-logo-wrap {
  position: relative;
  display: block;
}

.brand-logo {
  display: block;
  height: 36px;
  width: auto;
}

.brand-beta {
  position: absolute;
  top: 0.05rem;
  right: -0.15rem;
  transform: translate(42%, -18%);
  color: var(--beta);
  font-family: var(--font-brand);
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  mix-blend-mode: normal;
}

.nav-links {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin: 0;
  pointer-events: auto;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(0 0% 100% / 0.8);
}

.nav-link:hover,
.nav-link.is-active {
  color: #fff;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid hsl(0 0% 100% / 0.35);
  border-radius: 999px;
  background: transparent;
  color: hsl(0 0% 100% / 0.8);
  font: inherit;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang-div {
  width: 1px;
  height: 0.7rem;
  background: hsl(0 0% 100% / 0.35);
}

html[lang="zh-CN"] .lang-cn,
html:not([lang="zh-CN"]) .lang-en {
  color: #fff;
}

.hero {
  position: relative;
  height: 100dvh;
  min-height: 100vh;
  margin-top: calc(-1 * var(--nav-h));
  overflow: hidden;
  background: #000;
}

.home-prism-background {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
  background: #000;
}

.home-prism-background.is-fallback {
  background:
    radial-gradient(ellipse 78% 58% at 50% 42%, hsl(278 72% 38% / 0.62) 0%, transparent 72%),
    radial-gradient(ellipse 56% 48% at 28% 58%, hsl(205 82% 42% / 0.48) 0%, transparent 68%),
    radial-gradient(ellipse 52% 44% at 72% 38%, hsl(318 64% 44% / 0.42) 0%, transparent 66%),
    #000;
}

.home-prism-background .prism-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.home-prism-background canvas {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
}

.hero-copy {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  text-align: left;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem) 18.5rem;
  width: 100%;
  max-width: none;
  pointer-events: none;
}

.hero-copy > * {
  pointer-events: auto;
}

.hero-display {
  margin: 0 0 3.775rem clamp(1.75rem, 4.5vw, 5rem);
  max-width: 9.2em;
  font-family: "Noto Sans SC", "IBM Plex Sans", system-ui, sans-serif;
  font-style: normal;
  font-weight: 600;
  font-size: clamp(4.25rem, 9.2vw, 8.75rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-wrap: balance;
  color: hsl(0 0% 100%);
}

.hero-note {
  position: absolute;
  z-index: 32;
  margin: 0;
  font-family: "IBM Plex Sans", "Noto Sans SC", system-ui, sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 0.8125rem;
  line-height: 1.45;
  letter-spacing: 0;
  color: hsl(0 0% 100% / 0.88);
  pointer-events: none;
}

.hero-note-tl {
  top: calc(var(--nav-h) + 1.75rem);
  left: clamp(1.25rem, 4vw, 3.5rem);
  max-width: 14rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}

html[lang="zh-CN"] .hero-note-tl {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
}

.hero-note-tr {
  top: calc(var(--nav-h) + 1.75rem);
  right: clamp(1.25rem, 4vw, 3.5rem);
  max-width: 13rem;
  text-align: right;
}

.hero-note-bl {
  left: clamp(1.25rem, 4vw, 3.5rem);
  bottom: 11.75rem;
  max-width: 16rem;
}

.hero-note-br {
  right: clamp(1.25rem, 4vw, 3.5rem);
  bottom: 11.75rem;
  max-width: 11rem;
  text-align: right;
  pointer-events: auto;
  color: hsl(0 0% 100% / 0.88);
  text-decoration: none;
}

.hero-note-br:hover {
  color: hsl(0 0% 100%);
}

.hero-cta {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: hsl(0 0% 100%);
  color: hsl(0 0% 0%);
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  font-family: "IBM Plex Sans", "Noto Sans SC", system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
}

.app--home .hero-cta {
  display: inline-flex;
}

.app--home .demo-top-nav.is-on-lite .hero-cta {
  background: hsl(0 0% 8%);
  color: hsl(0 0% 100%);
}

.hero-cta:hover {
  opacity: 0.9;
}

.hero-cta:focus-visible,
.hero-note-br:focus-visible {
  outline: 2px solid hsl(0 0% 100%);
  outline-offset: 3px;
}

.hero-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10rem;
  background: linear-gradient(to top, hsl(0 0% 0%), transparent);
  z-index: 30;
  pointer-events: none;
}

.hero-marquee {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 35;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0 1.75rem;
  transform: translateY(-25px);
  pointer-events: none;
}

.hero-marquee-viewport {
  width: 100%;
  overflow: hidden;
  pointer-events: auto;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}

.hero-marquee-track {
  display: flex;
  align-items: center;
  gap: 3.25rem;
  width: max-content;
  padding: 1.125rem 0;
  animation: hero-marquee-scroll 72s linear infinite;
}

.hero-marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
  color: hsl(0 0% 100% / 0.94);
  font-size: 1.1875rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.hero-marquee-coin-icon {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}

.hero-marquee-sep {
  width: 0.3125rem;
  height: 0.3125rem;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0.45;
  flex-shrink: 0;
}

@keyframes hero-marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-marquee-track {
    animation: none;
  }
}

@media (min-width: 768px) {
  .hero-display {
    font-size: clamp(5.25rem, 8.4vw, 8.75rem);
  }
}

.lite {
  position: relative;
  isolation: isolate;
  background: var(--lite);
  color: var(--lite-ink);
}

.lite-ribbon-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.lite-ribbon-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.lite > section {
  position: relative;
  z-index: 1;
}

.lite-inner {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
}

.lite > section.lite-story {
  position: relative;
  z-index: 1;
  padding: 0;
  background: transparent;
  --lite-story-scroll: 300vh;
}

.lite-story {
  position: relative;
}

/* Scroll driver only — creates wheel input; pin is the fixed canvas. */
.lite-story-track {
  height: var(--lite-story-scroll);
}

.lite-story-pin {
  position: sticky;
  top: clamp(3.5rem, 10vh, 5rem);
  z-index: 1;
  display: flex;
  align-items: center;
  height: calc(100vh - clamp(3.5rem, 10vh, 5rem));
  overflow: hidden;
  padding: 0 var(--page-x);
  background: var(--lite);
}

.lite-story-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.lite-story-stage {
  position: relative;
  width: 100%;
  max-width: 76rem;
  margin: 0 auto;
  min-height: 20rem;
}

.lite-story-step {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
}

.lite-story-step--split {
  text-align: left;
  justify-content: stretch;
}

.lite-story-step--tagline {
  text-align: center;
}

.lite-story-step--testimonial {
  justify-content: flex-start;
  padding: 0 clamp(0.5rem, 2vw, 1.5rem);
  text-align: left;
}

.lite-story-testimonial {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.75rem;
  width: 100%;
  max-width: 44rem;
  margin: 0;
  text-align: left;
}

.lite-story-testimonial-mark {
  width: clamp(3.75rem, 6vw, 5rem);
  height: clamp(2.65rem, 4.2vw, 3.5rem);
  object-fit: contain;
  filter: brightness(0);
  opacity: 0.88;
}

.lite-story-testimonial-quote {
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.875rem, 3.4vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.42;
  color: var(--lite-ink);
}

.lite-story-testimonial-brand {
  display: block;
  margin-bottom: 0.25em;
  font-weight: 600;
  font-size: clamp(2.125rem, 4.2vw, 3rem);
  letter-spacing: -0.045em;
}

.lite-story-step--tagline {
  padding: 0 0.5rem;
}

.lite-story-prose {
  width: 100%;
  max-width: 38rem;
  margin: 0 auto;
  padding: 0 0.5rem;
}

.lite-story-prose--left {
  max-width: none;
  margin: 0;
  text-align: left;
}

.lite-story-prose--left .lite-story-prose-title {
  text-align: left;
}

.lite-story-split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  width: 100%;
  padding: 0 0.25rem;
}

.lite-story-split-copy {
  min-width: 0;
}

.lite-story-split-boards {
  position: relative;
  min-height: clamp(17rem, 44vh, 30rem);
  min-width: 0;
  overflow: hidden;
}

.lite-story-board {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.lite-story-board-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border: 1px solid color-mix(in srgb, var(--lite-ink) 10%, transparent);
  border-radius: 0.85rem;
  overflow: hidden;
  background: hsl(40 20% 98%);
  transform: translate3d(0, 0, 0);
}

.lite-story-board-shot {
  flex: 1;
  display: block;
  width: 100%;
  min-height: clamp(14rem, 38vh, 24rem);
  object-fit: cover;
  object-position: top center;
  background-color: hsl(0 0% 6%);
}

.lite-story-board-shot--cover {
  object-fit: cover;
}

.lite-story-board-label {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: hsl(40 10% 24%);
}

.lite-story-prose-title {
  margin: 0 0 1.75rem;
  font-family: inherit;
  font-size: clamp(2.125rem, 4.8vw, 3.125rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.08;
  color: var(--lite-ink);
}

.lite-story-prose-stack {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.lite-story-prose-stack [data-lite-story-block] {
  opacity: 0;
  transform: translateY(14px);
}

.lite-story-prose-lead {
  margin: 0;
  font-size: clamp(1.0625rem, 1.75vw, 1.1875rem);
  line-height: 1.62;
  letter-spacing: -0.03em;
  color: hsl(40 10% 24%);
}

.lite-story-prose-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 0 0;
  border-top: 1px solid color-mix(in srgb, var(--lite-ink) 9%, transparent);
}

.lite-story-prose-copy {
  margin: 0;
  font-size: clamp(0.9375rem, 1.45vw, 1.0625rem);
  line-height: 1.65;
  letter-spacing: -0.025em;
  color: hsl(40 8% 32%);
}

.lite-story-prose-close {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--gold) 22%, var(--lite-ink) 8%);
  font-size: clamp(0.9375rem, 1.45vw, 1.0625rem);
  line-height: 1.65;
  letter-spacing: -0.025em;
  color: hsl(40 10% 26%);
}

.lite-story-step--tagline .lite-split-title {
  max-width: 22ch;
  margin: 0 auto;
  text-align: center;
}

.lite-split-title {
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.12;
  color: var(--lite-ink);
}

@media (max-width: 720px) {
  .lite-story-track {
    height: auto;
  }

  .lite-story-testimonial-quote {
    font-size: clamp(1.5rem, 5.5vw, 1.875rem);
  }

  .lite-story-testimonial-brand {
    font-size: clamp(1.75rem, 6vw, 2.125rem);
  }

  .lite-story-prose-title {
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    margin-bottom: 1.35rem;
  }

  .lite-story-prose-stack {
    gap: 1.1rem;
  }

  .lite-story-prose-lead {
    font-size: 1rem;
  }

  .lite-story-prose-copy {
    font-size: 0.9375rem;
  }
}

.third {
  position: relative;
  z-index: 2;
  background: var(--muted-page);
  color: var(--lite-ink);
  content-visibility: auto;
  contain-intrinsic-size: auto 780px;
}

.third-why {
  position: relative;
  overflow: hidden;
  padding: 6rem var(--page-x);
}

.third-why-globe {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.third-why-globe.is-fallback {
  background:
    radial-gradient(circle at 68% 50%, hsl(40 14% 42% / 0.14) 0%, hsl(40 14% 42% / 0.14) 2px, transparent 2px) 0 0 / 14px 14px,
    radial-gradient(circle at 68% 50%, hsl(40 8% 68% / 0.2) 0%, transparent 58%);
}

.third-why-globe-canvas {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.88;
  transition: opacity 0.6s ease;
}

.third-why-globe-canvas.is-ready {
  opacity: 0.92;
}

.third-why::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--muted-page) 0%, color-mix(in srgb, var(--muted-page) 92%, transparent) 34%, transparent 62%),
    linear-gradient(180deg, var(--muted-page) 0%, color-mix(in srgb, var(--muted-page) 72%, transparent) 100%);
}

.third-why-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 3.5rem 4.5rem;
  align-items: center;
}

.third-copy {
  margin-left: -100px;
}

.third-title {
  margin: 0 0 1.2rem;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.35rem, 4.2vw, 3.35rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.third-title-brand {
  margin-left: 0.35em;
}

.third-title-em {
  font-style: italic;
}

.third-lede {
  margin: 0 0 1.75rem;
  max-width: 42ch;
  font-size: 1rem;
  line-height: 1.6;
  color: hsl(40 8% 32%);
}

.third-cards {
  margin-left: 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.third-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  min-height: 10.75rem;
  padding: 1.5rem 1rem;
  background: var(--muted-card);
  border-radius: 0.75rem;
  text-align: center;
}

.third-card svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.third-card svg text {
  fill: currentColor;
  stroke: none;
}

.third-card p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

@media (prefers-reduced-motion: reduce) {
  .third-why-globe-canvas {
    transition: none;
  }

  .third-why-globe-canvas.is-ready {
    opacity: 0.78;
  }
}

.third-stats {
  padding: 0 var(--page-x) 4rem;
  overflow: hidden;
}

.third-stats-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: auto auto;
  gap: 0.5rem 3rem;
  align-items: stretch;
}

.third-stat {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: 1 / -1;
  gap: 0.5rem;
}

.third-stat-num {
  margin: 0;
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 0.12em;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.third-stat-value {
  font: inherit;
  letter-spacing: inherit;
}

.third-stat-suffix {
  font-family: var(--font-sans, system-ui, sans-serif);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.2;
  color: hsl(40 8% 32%);
  transform: translateY(-0.08em);
}

.third-stat-suffix:empty {
  display: none;
}

.third-stat-label {
  margin: 0;
  display: flex;
  align-items: flex-start;
  font-size: 0.875rem;
  line-height: 1.35;
  color: hsl(40 8% 32%);
}

.lite :focus-visible,
.third :focus-visible,
.fourth :focus-visible,
.fifth :focus-visible {
  outline-color: var(--lite-ink);
}

@media (min-width: 640px) {
  .third-why {
    padding: 8rem var(--page-x);
  }

  .third-stats {
    padding-bottom: 5rem;
  }
}

.fourth.is-merged-into-lite {
  display: none !important;
}

.fourth {
  background: var(--lite);
  color: var(--lite-ink);
  padding: 6rem var(--page-x);
  overflow-x: clip;
}

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

.fourth-title {
  margin: 0 auto;
  max-width: 18ch;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.35rem, 4.2vw, 3.35rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.fourth-title-em {
  font-style: italic;
}

.intro-track {
  display: grid;
  grid-template-columns: 1fr 1.12fr 1fr;
  gap: 1.15rem;
  align-items: stretch;
  margin: 3.25rem 0 2.5rem;
}

.intro-card {
  display: flex;
  flex-direction: column;
  text-align: left;
  cursor: pointer;
  background: hsl(40 20% 98%);
  border: 1px solid var(--lite-line);
  border-radius: 0.85rem;
  overflow: hidden;
  min-width: 0;
}

.intro-card.is-center {
  cursor: default;
  z-index: 1;
  width: 200%;
  margin-left: -50%;
}

.intro-card.is-center .intro-shot {
  aspect-ratio: 16 / 10;
}

.intro-card.is-prev,
.intro-card.is-next {
  filter: grayscale(1);
  opacity: 0.58;
}

.intro-card.is-prev {
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 42%);
  mask-image: linear-gradient(to right, transparent 0%, #000 42%);
}

.intro-card.is-next {
  -webkit-mask-image: linear-gradient(to left, transparent 0%, #000 42%);
  mask-image: linear-gradient(to left, transparent 0%, #000 42%);
}

.intro-shot {
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.intro-shot--cover {
  background-color: hsl(0 0% 0%);
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 100% auto;
}

.intro-card.is-center .intro-shot--cover {
  padding: 0;
}

.intro-shot--cover.intro-shot--fit-cover {
  background-size: cover;
}

.intro-meta {
  padding: 1rem 1.05rem 1.15rem;
}

.intro-meta h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.intro-meta p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: hsl(40 8% 32%);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.intro-card.is-center .intro-meta p {
  -webkit-line-clamp: 4;
}

.intro-nav {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
}

.intro-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: #111;
  color: #fff;
  cursor: pointer;
}

.intro-btn:hover {
  opacity: 0.88;
}

.intro-btn svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (min-width: 640px) {
  .fourth {
    padding: 8rem var(--page-x);
  }
}

.fifth {
  background: var(--lite);
  color: var(--lite-ink);
  padding: 5rem var(--page-x);
  content-visibility: auto;
  contain-intrinsic-size: auto 860px;
}

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

.fifth-title {
  margin: 0 auto 0.85rem;
  max-width: 18ch;
  font-size: clamp(2.15rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.fifth-lede {
  margin: 0 auto 3rem;
  max-width: 42ch;
  font-size: 1rem;
  line-height: 1.6;
  color: hsl(40 8% 32%);
}

.fifth-plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
  text-align: left;
}

.fifth-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem 1.6rem;
  background: hsl(0 0% 100%);
  border: 1px solid var(--lite-line);
  border-radius: 1rem;
  box-shadow: 0 10px 28px hsl(40 20% 20% / 0.06);
}

.fifth-plan.is-popular {
  border-color: var(--beta);
}

.fifth-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: var(--beta);
  color: #111;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.fifth-plan-name {
  margin: 0.55rem 0 0.85rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.fifth-plan-price {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: hsl(40 8% 38%);
}

.fifth-plan-price span.fifth-plan-amount {
  font-size: clamp(2.25rem, 3vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--lite-ink);
}

.fifth-plan-price > span:not(.fifth-plan-amount) {
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: normal;
  line-height: inherit;
  color: inherit;
}

.fifth-plan-bill {
  margin: 0 0 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: hsl(40 8% 38%);
}

.fifth-plan-bill.is-spacer {
  visibility: hidden;
  user-select: none;
}

.fifth-plan-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 0.7rem;
  background: hsl(40 10% 92%);
  color: var(--lite-ink);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.fifth-plan-cta.is-solid {
  background: #111;
  color: #fff;
}

.fifth-plan-cta:hover {
  opacity: 0.9;
}

.fifth-plan-includes {
  margin: 1.35rem 0 0.65rem;
  font-size: 0.75rem;
  color: hsl(40 8% 38%);
}

.fifth-plan-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.fifth-plan-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.fifth-plan-list svg {
  width: 1rem;
  height: 1rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.fifth-plan-upcoming-wrap {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.fifth-plan-upcoming-blur {
  filter: blur(5px);
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}

.fifth-plan-upcoming-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lite-ink);
}

@media (prefers-reduced-motion: reduce) {
  .fifth-plan-upcoming-blur {
    filter: none;
    opacity: 0.25;
  }
}

@media (min-width: 640px) {
  .fifth {
    padding: 7rem var(--page-x);
  }
}

.home-faq {
  background: var(--lite);
  color: var(--lite-ink);
  padding: 4.5rem var(--page-x) 5.5rem;
}

.home-faq-inner {
  max-width: 52rem;
  margin: 0 auto;
  text-align: left;
}

.home-faq-title {
  margin: 0 0 2.25rem;
  font-size: clamp(2.15rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.12;
  text-align: center;
}

.home-faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.home-faq-item {
  background: hsl(0 0% 100%);
  border: 1px solid var(--lite-line);
  border-radius: 1rem;
  padding: 1.45rem 1.5rem 1.5rem;
}

.home-faq-q {
  margin: 0 0 0.7rem;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.4;
}

.home-faq-a {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.72;
  color: hsl(40 8% 32%);
}

.home-faq-a a {
  color: color-mix(in srgb, var(--gold) 58%, #2a1c00);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

.home-faq-a a:hover {
  color: color-mix(in srgb, var(--gold) 78%, #2a1c00);
}

.home-faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin-top: 0.55rem;
}

@media (min-width: 640px) {
  .home-faq {
    padding: 6rem var(--page-x) 7rem;
  }
}

.sixth {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 20vh;
  overflow: hidden;
  background: var(--lite);
  content-visibility: auto;
  contain-intrinsic-size: auto 320px;
}

.sixth-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background: var(--lite);
}

.sixth-bg canvas {
  display: none;
}

.sixth-bg.is-static {
  background: var(--lite);
}

.sixth-eq {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  display: flex;
  align-items: flex-end;
  justify-content: stretch;
  gap: clamp(2px, 0.22vw, 4px);
  width: 100%;
  height: clamp(3.25rem, 9vh, 5.75rem);
  padding: 0 clamp(0.2rem, 0.6vw, 0.45rem) 0.65rem;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to top, #000 48%, transparent 100%);
  mask-image: linear-gradient(to top, #000 48%, transparent 100%);
}

.sixth-eq-col {
  display: flex;
  flex: 1 1 0;
  flex-direction: column-reverse;
  align-items: stretch;
  justify-content: flex-start;
  gap: clamp(1px, 0.14vw, 2px);
  max-width: 14px;
  min-width: 5px;
}

.sixth-eq-block {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 1px;
  background: color-mix(in srgb, var(--lite-ink) 7%, var(--lite));
  opacity: 0.42;
  transition:
    background-color 0.07s ease,
    opacity 0.07s ease,
    box-shadow 0.07s ease;
}

.sixth-eq-block:not(.is-on) {
  display: none;
}

.sixth-eq-block.is-on {
  opacity: 1;
  background: hsl(var(--eq-hue) var(--eq-sat, 85%) var(--eq-light, 52%));
  box-shadow: 0 0 7px hsl(var(--eq-hue) var(--eq-sat, 85%) var(--eq-light, 52%) / 0.4);
}

.sixth-eq.is-static .sixth-eq-block.is-on {
  box-shadow: none;
}

.sixth-copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 56rem;
  margin: 0 auto;
  padding: 6rem var(--page-x);
  text-align: center;
}

.sixth-title {
  margin: 0 auto;
  max-width: 18rem;
  transform: translateY(-75px);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.25rem, 4.5vw, 3.125rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--lite-ink);
}

.seventh {
  --seventh-bg: hsl(210 28% 97%);
  --seventh-ink: hsl(222 28% 10%);
  --seventh-muted: hsl(222 10% 42%);
  --seventh-line: hsl(214 18% 86%);
  --seventh-accent: hsl(24 95% 53%);
  --seventh-pixel-clip: polygon(
    8px 0,
    calc(100% - 8px) 0,
    calc(100% - 8px) 4px,
    calc(100% - 4px) 4px,
    calc(100% - 4px) 8px,
    100% 8px,
    100% calc(100% - 8px),
    calc(100% - 4px) calc(100% - 8px),
    calc(100% - 4px) calc(100% - 4px),
    calc(100% - 8px) calc(100% - 4px),
    calc(100% - 8px) 100%,
    8px 100%,
    8px calc(100% - 4px),
    4px calc(100% - 4px),
    4px calc(100% - 8px),
    0 calc(100% - 8px),
    0 8px,
    4px 8px,
    4px 4px,
    8px 4px
  );
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--seventh-line);
  background: var(--seventh-bg);
  color: var(--seventh-ink);
  content-visibility: auto;
  contain-intrinsic-size: auto 400px;
}

.seventh-pixel-wrap {
  pointer-events: none;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 75%;
  height: 66.666%;
  opacity: 0.8;
  transform: rotate(180deg);
  mask-image: radial-gradient(125% 105% at 0% 100%, #000 22%, transparent 72%);
  -webkit-mask-image: radial-gradient(125% 105% at 0% 100%, #000 22%, transparent 72%);
}

.seventh-pixel {
  display: block;
  width: 100%;
  height: 100%;
}

.seventh-pixel.is-static {
  background:
    radial-gradient(circle at 18% 82%, hsl(24 86% 58% / 0.35) 0, transparent 42%),
    radial-gradient(circle at 8% 90%, hsl(18 78% 48% / 0.25) 0, transparent 36%);
}

@media (min-width: 640px) {
  .seventh-pixel-wrap {
    width: 50%;
  }
}

@media (min-width: 1024px) {
  .seventh-pixel-wrap {
    width: 40%;
  }
}

.seventh-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 4rem var(--page-x) 5rem;
}

.seventh-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 2rem 3rem;
}

.seventh-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

@media (min-width: 640px) {
  .seventh-actions {
    flex-direction: row;
  }
}

.seventh-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1.25rem;
  border: none;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.seventh-btn-bg,
.seventh-btn-frame,
.seventh-btn-fill {
  position: absolute;
  inset: 0;
  clip-path: var(--seventh-pixel-clip);
  -webkit-clip-path: var(--seventh-pixel-clip);
}

.seventh-btn.is-solid .seventh-btn-bg {
  background: var(--seventh-ink);
  transition: opacity 0.15s ease;
}

.seventh-btn.is-solid:hover .seventh-btn-bg {
  opacity: 0.9;
}

.seventh-btn.is-solid {
  color: var(--seventh-bg);
}

.seventh-btn.is-outline .seventh-btn-frame {
  background: var(--seventh-line);
}

.seventh-btn.is-outline .seventh-btn-fill {
  inset: 1px;
  background: var(--seventh-bg);
  transition: background 0.15s ease;
}

.seventh-btn.is-outline:hover .seventh-btn-fill {
  background: hsl(210 20% 94%);
}

.seventh-btn.is-outline {
  color: var(--seventh-ink);
  font-weight: 500;
}

.seventh-btn-label {
  position: relative;
  z-index: 1;
}

.seventh-links {
  display: grid;
  width: fit-content;
  grid-template-columns: auto;
  gap: 1.75rem 3.25rem;
}

@media (min-width: 640px) {
  .seventh-links {
    grid-template-columns: auto auto;
    gap: 2rem 3.25rem;
  }
}

.seventh-link-kicker {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--seventh-accent);
}

.seventh-link-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.625rem 2rem;
}

.seventh-link-list a {
  font-size: 0.875rem;
  color: var(--seventh-muted);
  transition: color 0.15s ease;
}

.seventh-link-list a:hover {
  color: var(--seventh-ink);
}

.seventh-bar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 0.5rem;
}

@media (min-width: 640px) {
  .seventh-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.seventh-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .seventh-brand {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
  }
}

.seventh-mark {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.seventh-brand-logo {
  display: block;
  height: 1.75rem;
  width: auto;
  filter: brightness(0);
}

.seventh-copy {
  margin: 0;
  font-size: 0.75rem;
  color: var(--seventh-muted);
}

.seventh-legal {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.seventh-legal > a {
  font-size: 0.75rem;
  color: var(--seventh-muted);
  transition: color 0.15s ease;
}

.seventh-legal > a:hover {
  color: var(--seventh-ink);
}

.seventh-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.seventh-social a {
  color: var(--seventh-muted);
  transition: color 0.15s ease;
}

.seventh-social a:hover {
  color: var(--seventh-ink);
}

.seventh-social svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  stroke: none;
}

@media (max-width: 850px) {
  .nav-links { display: none; }
}

@media (max-width: 960px) {
  .lite-story {
    --lite-story-scroll: 340vh;
  }

  .lite-story-split {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .lite-story-split-boards {
    min-height: clamp(14rem, 36vh, 20rem);
  }

  .lite-story-board-shot {
    min-height: clamp(12rem, 32vh, 18rem);
  }

  .third-why-inner {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .third-copy {
    margin-left: 0;
    margin-top: 0;
  }

  .third-cards {
    margin-left: 0;
  }

  .third-stats-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: auto auto;
    gap: 1.25rem 1rem;
  }

  .third-stat-num {
    font-size: clamp(1.65rem, 4.2vw, 2.35rem);
  }

  .third-stat {
    grid-row: auto;
    grid-template-rows: none;
    gap: 0.5rem;
  }

  .intro-track {
    grid-template-columns: minmax(0, 22rem);
    justify-content: center;
  }

  .intro-card.is-prev,
  .intro-card.is-next {
    display: none;
  }

  .fifth-plans:not(.choose-plan-cards) {
    grid-template-columns: 1fr;
    max-width: 24rem;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .hero-copy {
    padding-bottom: 13.5rem;
  }
  .hero-display {
    margin-left: 0.75rem;
    font-size: clamp(2.85rem, 12vw, 3.7rem);
    max-width: 8.5em;
  }
  .hero-note {
    font-size: 0.6875rem;
  }
  .hero-note-tl,
  .hero-note-tr {
    top: calc(var(--nav-h) + 0.65rem);
  }
  .hero-note-tl {
    max-width: 42vw;
    letter-spacing: 0.08em;
  }
  html[lang="zh-CN"] .hero-note-tl {
    letter-spacing: 0.02em;
  }
  .hero-note-tr {
    max-width: 40vw;
  }
  .hero-note-bl,
  .hero-note-br {
    bottom: 13rem;
    max-width: 38vw;
  }
  .seventh-bar { align-items: flex-start; }

  .third-stats-inner {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 1.75rem;
  }

  .third-stat-num {
    font-size: clamp(2.1rem, 9vw, 2.6rem);
  }
}

/* Back to top — fixed; must not participate in document flow */
.back-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: clamp(1rem, 3vw, 1.5rem);
  z-index: 115;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid hsl(0 0% 100% / 0.22);
  border-radius: 999px;
  background: hsl(0 0% 0% / 0.72);
  color: hsl(0 0% 100% / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.back-to-top[hidden] {
  display: inline-flex;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.5rem);
}

.back-to-top:hover {
  background: hsl(0 0% 8% / 0.88);
  border-color: color-mix(in srgb, var(--gold) 55%, hsl(0 0% 100% / 0.3));
  color: var(--gold);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.back-to-top svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (prefers-reduced-motion: reduce) {
  .nav-header-pane { transition: none; }
  .back-to-top {
    transition: none;
  }
  .intro-card.is-prev,
  .intro-card.is-next {
    filter: none;
  }

  .lite-story-track {
    height: auto;
  }

  .lite-story-pin {
    position: relative;
    top: auto;
    min-height: 0;
    padding-bottom: 2rem;
  }

  .lite-story-stage {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: none;
  }

  .lite-story-step {
    position: relative;
    inset: auto;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
  }

  .lite-story-board {
    position: relative;
    inset: auto;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
  }

  .lite-story-split-boards {
    display: grid;
    gap: 1rem;
    min-height: 0;
  }

  .lite-story-prose-stack [data-lite-story-block] {
    opacity: 1 !important;
    transform: none !important;
  }
}