:root {
  color-scheme: light;
  --bg: #f5f5f5;
  --surface: #fff;
  --ink: #000;
  --ink-2: rgba(0,0,0,.64);
  --ink-3: rgba(0,0,0,.56);
  --fill: #e9e8ea;
  --line: #d6d6da;
  --track: #d4d4d4;
  --highlight-ink: #285c46;
  --highlight: #d4e3bd;
  --device-ink: #000;
  --button: #000;
  --button-ink: #fff;
  --shadow: 0 24px 60px -24px rgba(0,0,0,.18);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111113; --surface: #1c1c1e; --ink: #f5f5f7; --ink-2: rgba(255,255,255,.66); --ink-3: rgba(255,255,255,.60); --fill: #2a2a2e; --line: #3a3a40; --track: #454549; --highlight-ink: #b5cfa9; --highlight: #2f4a3b; --button: #f5f5f7; --button-ink: #111113; --shadow: 0 24px 60px -24px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111113; --surface: #1c1c1e; --ink: #f5f5f7; --ink-2: rgba(255,255,255,.66); --ink-3: rgba(255,255,255,.60); --fill: #2a2a2e; --line: #3a3a40; --track: #454549; --highlight-ink: #b5cfa9; --highlight: #2f4a3b; --button: #f5f5f7; --button-ink: #111113; --shadow: 0 24px 60px -24px rgba(0,0,0,.5);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; background: var(--surface); padding: 12px 20px; border-radius: 999px; }
.skip-link:focus { top: 16px; }
.site-header { padding: 20px 16px 0; display: flex; justify-content: center; }
.nav-pill { display: flex; align-items: center; gap: 12px; border-radius: 999px; padding: 6px; background: var(--surface); font-size: 14px; }
.brand { font-weight: 600; background: var(--bg); padding: 8px 14px; border-radius: 999px; white-space: nowrap; }
.brand-dot { margin-left: 1px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { color: var(--ink-2); padding: 8px 10px; border-radius: 999px; }
.nav-links a:hover, .theme-toggle:hover { background: var(--bg); color: var(--ink); }
.theme-toggle { width: 36px; height: 36px; display: grid; place-content: center; border: 0; border-radius: 50%; background: transparent; font-size: 21px; }
.theme-toggle svg, .compose-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.compose-icon { width: 12px; height: 12px; }
main, .site-footer { width: min(880px, calc(100% - 32px)); margin-inline: auto; }
h1, h2 { font-weight: 600; letter-spacing: -.035em; line-height: 1.16; margin: 0; }
h1 { font-size: clamp(32px,5vw,48px); }
h2 { font-size: clamp(28px,3.5vw,36px); }
em { font-weight: 500; }
h3 { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
p { margin: 0; max-width: 46ch; }
p + p { margin-top: 16px; }
figure { margin: 0; min-width: 0; }
img { display: block; max-width: 100%; width: 100%; height: auto; }
.hero { text-align: center; padding-top: 72px; }
.hero h1 [data-word] { border-radius: 5px; }
.current { background: var(--highlight); color: var(--highlight-ink); box-shadow: 0 0 0 3px var(--highlight); }
.hero-sub { margin: 14px auto 0; color: var(--ink-2); }
.status-pills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.pill { border-radius: 999px; padding: 10px 18px; font-size: 14px; display: inline-flex; align-items: center; gap: 14px; }
.primary { background: var(--button); color: var(--button-ink); border: 1px solid var(--button); }
.secondary { background: var(--surface); border: 1px solid var(--line); }
.pill:hover { opacity: .8; }
.hero-meta { color: var(--ink-3); font-size: 12px; margin: 18px auto 0; max-width: none; }
.replicas { display: grid; grid-template-columns: minmax(0,1fr) 236px; align-items: center; gap: 24px; margin-top: 34px; text-align: left; }
.mac-window { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.mac-toolbar { display: flex; align-items: center; gap: 14px; padding: 16px; font-size: 11px; border-bottom: 1px solid var(--line); }
.traffic-lights { display: flex; gap: 6px; }
.traffic-lights i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.window-title { font-weight: 600; }
.mac-workspace { display: grid; grid-template-columns: 132px 1fr; min-height: 299px; }
.mac-sidebar { background: var(--bg); border-right: 1px solid var(--line); padding: 16px 10px; font-size: 10px; display: flex; flex-direction: column; color: var(--ink-2); }
.recent-item { margin-top: 14px; background: var(--fill); padding: 8px; border-radius: 4px; color: var(--ink); }
.recent-item b { font-weight: 500; }
.recent-item small { display: block; margin-top: 3px; font-size: 9px; }
.mac-sidebar > small { margin-top: auto; font-size: 9px; }
.mac-reader { padding: 18px 20px; display: flex; flex-direction: column; min-width: 0; }
.reader-tools { display: flex; justify-content: space-between; color: var(--ink-2); font-size: 10px; margin-bottom: 24px; }
.mac-passage { font-size: 15px; line-height: 1.75; }
.mac-passage span, .pocket-sentences p span { border-radius: 2px; }
.mac-transport { border-top: 1px solid var(--line); padding: 12px 16px; }
.transport-meta { display: flex; justify-content: space-between; font-size: 9px; color: var(--ink-2); margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.progress-track { background: var(--track); height: 2px; border-radius: 4px; overflow: hidden; }
.progress-track > span { display: block; height: 100%; background: var(--highlight-ink); width: 0; }
.transport-row { display: flex; align-items: center; gap: 16px; margin-top: 9px; font-size: 13px; }
.transport-play { display: grid; place-items: center; width: 32px; height: 30px; border-radius: 8px; background: var(--fill); border: 0; }
.transport-speed { margin-left: auto; font-size: 10px; padding: 4px 8px; background: var(--bg); border: 1px solid var(--line); border-radius: 5px; font-variant-numeric: tabular-nums; }
.replicas figcaption { font-size: 13px; margin-top: 18px; text-align: center; }
figcaption > span { display: block; font-size: 12px; color: var(--ink-2); margin-top: 3px; }
.phone-frame { aspect-ratio: 9/19.5; border: 1px solid var(--line); border-radius: 32px; background: var(--surface); padding: 10px 14px 12px; box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden; }
.phone-status { display: flex; justify-content: space-between; align-items: center; font-size: 10px; font-weight: 600; position: relative; height: 22px; }
.phone-island { width: 60px; height: 17px; border-radius: 999px; background: var(--device-ink); position: absolute; left: 50%; transform: translateX(-50%); }
.pocket-toolbar { display: flex; gap: 6px; align-items: center; justify-content: space-between; font-size: 8px; margin-top: 16px; }
.pocket-toolbar > span:first-child { border: 1px solid var(--line); border-radius: 999px; padding: 5px 7px; }
.pocket-toolbar b { font-weight: 600; white-space: nowrap; }
.pocket-page { margin-top: 26px; }
.pocket-page > small { font-size: 8px; letter-spacing: .12em; color: var(--ink-2); }
.passage-title { font-size: 16px; margin: 3px 0 17px; }
.pocket-sentences > div { display: flex; gap: 8px; margin-top: 14px; }
.pocket-sentences > div > span { font-size: 8px; padding-top: 3px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.pocket-sentences p { font-size: 12px; line-height: 1.5; }
.quiet-sentence p { color: var(--ink-2); }
.pocket-transport { margin-top: auto; padding-top: 16px; }
.pocket-transport .transport-row { justify-content: space-between; font-size: 10px; }
.pocket-play { border: 0; background: var(--fill); border-radius: 999px; padding: 6px 12px; font-size: 10px; }
.pocket-tabs { display: flex; justify-content: space-evenly; border: 1px solid var(--line); border-radius: 999px; margin: 16px auto 0; padding: 3px; width: 95%; font-size: 7px; }
.pocket-tabs > span { display: flex; flex-direction: column; align-items: center; padding: 2px 12px; border-radius: 999px; }
.pocket-tabs b { font-size: 17px; line-height: 1.1; font-weight: 400; }
.pocket-tabs .selected { background: var(--fill); }
.demo-note { display: flex; justify-content: center; align-items: center; gap: 16px; font-size: 12px; color: var(--ink-2); margin-top: 12px; }
.demo-note button { border: 0; background: transparent; padding: 8px 10px; border-radius: 999px; font-size: 12px; color: var(--ink); }
.demo-note button:hover { background: var(--fill); }
.demo-note button span { margin-left: 8px; }
.no-script { font-size: 12px; margin: 12px auto; color: var(--ink-2); }
.explainer { margin: 80px 0; display: grid; gap: 48px; }
.explain-row { position: relative; }
.explain-number { position: absolute; right: calc(100% + 28px); top: 0; font-size: 48px; line-height: 1; color: var(--ink-3); font-weight: 400; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.eyebrow { font-size: 14px; color: var(--ink-2); margin-bottom: 12px; }
.explainer h2 { font-size: 25px; }
.explainer h2 + p { margin-top: 14px; color: var(--ink-2); }
.how-columns, .two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.how-columns { margin-top: 14px; gap: 24px; }
.how-columns p { color: var(--ink-2); font-size: 14px; margin: 0; }
.how-columns b { color: var(--ink); font-weight: 500; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; padding-left: 18px; margin: 18px 0 0; color: var(--ink-2); font-size: 14px; }
.product-section, .practice-section, .privacy-section, .faq-section { margin-top: 80px; }
.section-heading { margin-bottom: 30px; }
.section-heading h2 + p { margin-top: 16px; color: var(--ink-2); }
.screenshot-card { background: var(--fill); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.screenshot-card img { border-radius: 8px; box-shadow: var(--shadow); }
.screenshot-card figcaption { margin-top: 22px; font-size: 14px; }
.mac-shot img { max-width: 672px; margin: auto; }
.mac-shot figcaption { text-align: center; }
.mac-details { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; margin-top: 30px; }
.product-copy p, .two-columns p { color: var(--ink-2); }
.small-copy { font-size: 12px; color: var(--ink-2); }
.floating-shot { align-self: center; }
.floating-shot img { border-radius: 8px; }
.floating-shot figcaption { font-size: 14px; margin: 16px 12px 0; }
.pocket-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.library-shot, .passage-shot { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; text-align: center; }
.library-shot img { max-width: 214px; }
.passage-shot img { max-width: 320px; }
.pocket-details { margin-top: 28px; }
.product-status { font-size: 12px; color: var(--ink-2); margin-top: 22px; max-width: 80ch; }
.practice-layout { display: grid; grid-template-columns: 1fr 378px; gap: 40px; align-items: start; }
.practice-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 30px; }
.practice-steps li { display: flex; gap: 20px; }
.practice-steps li > span { color: var(--ink-3); font-size: 14px; font-variant-numeric: tabular-nums; padding-top: 1px; }
.practice-steps p { color: var(--ink-2); }
.honesty-line { font-size: 14px; margin-top: 28px; }
.practice-figure { background: var(--fill); border: 1px solid var(--line); border-radius: 16px; padding: 28px; text-align: center; }
.practice-figure img { max-width: 320px; margin: auto; border-radius: 8px; }
.practice-figure figcaption { margin-top: 16px; font-size: 12px; }
.practice-figure figcaption span { font-size: 11px; }
.privacy-columns { border-top: 1px solid var(--line); padding-top: 26px; }
.faq-section { margin-inline: 0; }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; padding: 20px 30px 20px 0; position: relative; cursor: pointer; font-size: 15px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 17px; font-size: 20px; color: var(--ink-2); }
details[open] summary::after { content: '−'; }
details p { color: var(--ink-2); padding-bottom: 22px; font-size: 14px; }
.site-footer { margin-top: 80px; padding: 32px 0 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; align-items: center; font-size: 12px; color: var(--ink-2); }
.site-footer p { margin: 0; }
.footer-brand { color: var(--ink); font-weight: 600; font-size: 14px; }
@media (max-width: 1050px) {
  .explain-row { padding-left: 52px; }
  .explain-number { left: 0; right: auto; font-size: 40px; }
}
@media (max-width: 700px) {
  .nav-pill { gap: 6px; }
  .nav-links a { padding: 8px 6px; }
  .brand { padding: 8px 10px; }
  .replicas { grid-template-columns: minmax(0,1fr) 206px; gap: 18px; }
  .mac-sidebar { display: none; }
  .mac-workspace { grid-template-columns: 1fr; }
  .mac-reader { padding: 16px; }
  .pocket-toolbar { gap: 4px; font-size: 7px; }
  .phone-frame { padding-inline: 12px; }
  .pocket-page { margin-top: 18px; }
  .pocket-sentences > div { margin-top: 10px; }
  .pocket-sentences p { font-size: 11px; }
  .pocket-tabs { margin-top: 10px; }
  .pocket-tabs > span { padding-inline: 8px; }
  .mac-details { grid-template-columns: 1fr; gap: 28px; }
  .floating-shot { max-width: 380px; }
  .practice-layout { gap: 28px; grid-template-columns: 1fr 1fr; }
  .practice-figure { padding: 16px; }
  .two-columns { gap: 24px; }
}
@media (max-width: 540px) {
  .site-header { padding-top: 12px; }
  .nav-pill { width: auto; max-width: 100%; display: grid; grid-template-columns: 1fr 44px; gap: 0 8px; border-radius: 28px; padding: 4px 8px; }
  .brand { font-size: 14px; }
  .nav-links { grid-column: 1 / -1; grid-row: 2; justify-content: center; gap: 2px; font-size: 12px; }
  .nav-links a { padding: 8px 9px; }
  .nav-pill a, .pill, .demo-note button, .transport-play, .pocket-play, .theme-toggle { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .nav-links a, .theme-toggle, .transport-play { min-width: 44px; }
  .footer-brand { min-height: 44px; display: inline-flex; align-items: center; }
  .brand { justify-self: start; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
  .hero { padding-top: 40px; }
  .hero-sub { font-size: 14px; }
  .status-pills { gap: 8px; }
  .pill { padding: 10px 12px; font-size: 12px; gap: 8px; }
  .hero-meta { font-size: 11px; max-width: 34ch; }
  .replicas { grid-template-columns: 1fr; margin-top: 36px; gap: 32px; }
  .replica-pocket { width: 236px; margin-inline: auto; }
  .mac-toolbar { padding: 12px; }
  .mac-workspace { min-height: 200px; }
  .mac-passage { font-size: 14px; }
  .replica-pocket .phone-frame { padding-inline: 14px; }
  .replica-pocket .pocket-toolbar { font-size: 8px; }
  .replica-pocket .pocket-page { margin-top: 26px; }
  .replica-pocket .pocket-sentences > div { margin-top: 14px; }
  .replica-pocket .pocket-sentences p { font-size: 12px; }
  .replica-pocket .pocket-tabs { margin-top: 16px; }
  .demo-note { flex-direction: column; gap: 2px; margin-top: 12px; }
  .explainer { margin-block: 64px; gap: 36px; }
  .explain-row { padding-left: 44px; }
  .explain-number { font-size: 36px; }
  .explainer h2 { font-size: 23px; }
  .eyebrow { font-size: 12px; }
  .explainer p:not(.eyebrow) { font-size: 14px; }
  .how-columns, .two-columns { grid-template-columns: 1fr; gap: 20px; }
  .feature-list { grid-template-columns: 1fr; gap: 8px; }
  .product-section, .practice-section, .privacy-section, .faq-section { margin-top: 64px; }
  .screenshot-card { padding: 20px; }
  .mac-shot { padding: 12px; }
  .mac-shot figcaption { margin: 16px 0 8px; }
  .product-copy { font-size: 14px; }
  .pocket-gallery { grid-template-columns: 1fr; gap: 16px; }
  .library-shot img { max-width: 206px; }
  .passage-shot img { max-width: 278px; }
  .practice-layout { grid-template-columns: 1fr; gap: 24px; }
  .practice-steps { gap: 22px; }
  .practice-steps p { font-size: 14px; }
  .practice-figure { padding: 20px; }
  .practice-figure img { max-width: 320px; }
  .site-footer { margin-top: 64px; flex-direction: column; gap: 10px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}