:root {
  color-scheme: light;
  /* Weasly Test: DesignSystem.swift, native grouped surfaces, approved AD artwork. */
  --background: #f2f2f7;
  --surface: #fff;
  --ink: #1c1c1e;
  --secondary: #636366;
  --cobalt: #3f5cf6;
  --cobalt-hover: #304bdc;
  --cobalt-tint: #e7ebff;
  --caramel: #c7814c;
  --line: #d9d9df;
  --rounded: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--background);
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; font-size: 18px; line-height: 1.6; }
a { color: inherit; text-underline-offset: 5px; }
button, input { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button, summary { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1.2em; }
h1, h2, h3 { font-family: var(--rounded); line-height: 1.12; font-weight: 750; text-wrap: balance; }
h1, h2 { letter-spacing: -.035em; margin: 0; }
h1 { font-size: clamp(3.5rem, 5.6vw, 5.25rem); }
h2 { font-size: clamp(2.35rem, 3.7vw, 3.6rem); }
h3 { font-size: 1.35rem; letter-spacing: -.02em; margin: 0 0 16px; }
::selection { background: var(--cobalt-tint); color: var(--ink); }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 5px; }
.wrap { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; transform: translateY(-160%); z-index: 10; padding: 10px 20px; color: #fff; background: var(--cobalt); border-radius: 12px; }
.skip-link:focus { transform: none; }
.hero-surface { background: var(--background); }
.site-header { display: flex; justify-content: space-between; align-items: center; padding-block: 28px; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; font-family: var(--rounded); font-size: 1.8rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.wordmark img { border-radius: 13px; width: 48px; height: 48px; }
nav { display: flex; align-items: center; gap: 30px; font-size: .88rem; font-weight: 600; }
nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }
.nav-launch { background: var(--surface); border-radius: 100px; padding: 11px 20px; color: var(--cobalt); }
.hero { display: grid; grid-template-columns: 1.12fr .88fr; gap: 42px; align-items: center; padding-block: 34px 50px; }
.hero-copy { padding-block: 24px; }
.hero-copy > p:first-of-type { max-width: 490px; font-size: 1.16rem; color: var(--secondary); margin-block: 27px 31px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 16px 28px; min-height: 56px; border-radius: 18px; font-size: 1rem; font-weight: 650; text-decoration: none; background: var(--cobalt); color: #fff; }
.button:hover { background: var(--cobalt-hover); }
.availability-note { font-size: .86rem; margin-top: 17px; color: var(--secondary); }
.hero-art { display: flex; justify-content: center; align-items: center; min-width: 0; }
.hero-art img { width: 100%; height: 510px; object-fit: contain; }
.languages { padding-block: 28px 44px; }
.languages h2 { font-family: inherit; font-size: .93rem; letter-spacing: 0; font-weight: 600; color: var(--secondary); margin-bottom: 18px; }
.languages ul { list-style: none; display: flex; gap: 9px; flex-wrap: wrap; margin: 0; padding: 0; font-size: .86rem; }
.languages li { background: var(--surface); padding: 8px 15px; border-radius: 11px; }
.listening-section { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 90px; padding-block: 90px 108px; }
.section-copy h2 { margin-bottom: 26px; }
.section-copy p { max-width: 440px; color: var(--secondary); }
.section-copy .demo-instruction { font-size: .94rem; color: var(--ink); font-weight: 650; margin-top: 26px; }
.demo { background: var(--surface); border-radius: 24px; overflow: hidden; }
.demo-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; padding: 20px 27px; border-bottom: 1px solid var(--line); font-size: .8rem; }
.demo-top span:first-child { font-weight: 650; }
.demo-top span:last-child { color: var(--secondary); }
.transcript { padding: 28px 27px 30px; }
.waveform { display: flex; gap: 5px; height: 34px; align-items: center; margin-bottom: 20px; }
.waveform i { width: 4px; height: 11px; border-radius: 3px; background: var(--cobalt); }
.waveform i:nth-child(3n) { height: 27px; }
.waveform i:nth-child(4n) { height: 33px; }
.waveform i:nth-child(2n) { height: 20px; }
.source-sentence { font-family: var(--rounded); font-size: 1.7rem; line-height: 1.8; letter-spacing: -.025em; font-weight: 650; margin-bottom: 10px; }
.source-sentence button { font: inherit; color: inherit; background: transparent; border: 0; border-bottom: 2px dotted var(--line); border-radius: 6px; padding: 0 3px; min-height: 44px; }
.source-sentence button:hover { background: var(--cobalt-tint); }
.source-sentence button[aria-pressed="true"] { color: var(--cobalt); background: var(--cobalt-tint); border-bottom-color: var(--cobalt); border-bottom-style: solid; }
.translation { color: var(--secondary); font-size: .97rem; margin: 0; }
.word-collection { padding: 26px 27px; border-top: 1px solid var(--line); min-height: 224px; }
.word-collection h3 { display: flex; align-items: center; justify-content: space-between; font-size: 1.05rem; margin-bottom: 20px; }
#word-count { min-width: 30px; padding: 2px 6px; text-align: center; border-radius: 9px; color: var(--cobalt); background: var(--cobalt-tint); }
#collection-empty { color: var(--secondary); font-size: .95rem; }
#saved-words { list-style: none; padding: 0; margin: 0; }
#saved-words li { display: flex; justify-content: space-between; gap: 16px; padding-block: 9px; border-bottom: 1px solid var(--line); font-size: .95rem; }
#saved-words li span { color: var(--secondary); }
.demo-status { margin: 20px 0 0; font-size: .76rem; color: var(--secondary); }
.noscript-note { margin: 20px; }
.ways-section { padding-block: 70px 85px; background: var(--surface); }
.ways-section h2 { max-width: 740px; }
.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-top: 45px; }
.feature-art { width: 145px; height: 145px; object-fit: contain; margin-bottom: 25px; }
.ways p { color: var(--secondary); margin: 0; font-size: 1rem; }
.privacy-section { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-block: 100px; }
.privacy-heading > p { max-width: 330px; margin-top: 24px; color: var(--secondary); }
.stretch-art { width: 100%; margin-top: 42px; }
.privacy-copy { padding: 30px; border-radius: 22px; background: var(--surface); }
.privacy-copy h3 { font-size: 1.18rem; }
.privacy-copy p { color: var(--secondary); font-size: 1rem; }
.privacy-copy h3:not(:first-child) { margin-top: 30px; }
.privacy-copy .small-copy { font-size: .82rem; margin-top: 25px; margin-bottom: 0; }
.faq-section { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-block: 20px 100px; }
.questions { background: var(--surface); border-radius: 22px; padding-inline: 26px; }
details + details { border-top: 1px solid var(--line); }
summary { position: relative; list-style: none; font-size: .98rem; font-weight: 600; padding: 22px 30px 22px 0; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 2px; top: 17px; color: var(--cobalt); font-size: 1.45rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { font-size: .94rem; color: var(--secondary); padding-right: 15px; padding-bottom: 8px; }
.launch-section { background: var(--surface); }
.launch-inner { display: grid; grid-template-columns: 88px 1fr auto; align-items: center; gap: 28px; padding-block: 48px; }
.launch-inner img { width: 88px; height: 88px; border-radius: 22px; }
.launch-inner h2 { font-size: 2rem; letter-spacing: -.03em; }
.launch-inner p { color: var(--secondary); margin: 10px 0 0; font-size: .95rem; }
.text-link { color: var(--cobalt); font-size: .9rem; font-weight: 650; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 35px; font-size: .8rem; color: var(--secondary); }
.site-footer .wordmark { font-size: 1.6rem; color: var(--ink); }
.site-footer p { margin: 0; }
.site-footer nav { flex-wrap: wrap; gap: 12px 24px; font-size: inherit; }
.site-footer nav a { display: inline; }
.document-page { max-width: 780px; padding-block: 60px 80px; }
.document-page h1 { font-size: clamp(2.9rem, 6vw, 4.5rem); margin-bottom: 24px; }
.document-page h2 { font-size: 1.65rem; letter-spacing: -.02em; margin: 42px 0 18px; }
.document-page .document-intro { font-size: 1.12rem; color: var(--secondary); }
.document-page .updated { font-size: .85rem; color: var(--secondary); }
.document-page address { font-style: normal; margin-bottom: 24px; }
.document-page a { overflow-wrap: anywhere; color: var(--cobalt); }
.document-page li + li { margin-top: 10px; }
.error-page { min-height: 100vh; display: grid; align-content: center; justify-items: start; gap: 24px; padding-block: 60px; }
.error-page p { max-width: 430px; }
.error-page nav a { display: inline; }
[hidden] { display: none !important; }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 28px; padding-top: 24px; }
  h1 { font-size: clamp(3.3rem, 6.4vw, 4.7rem); }
  .hero-art img { height: 470px; }
  .hero-copy > p:first-of-type { font-size: 1.05rem; }
  .listening-section, .privacy-section, .faq-section { gap: 46px; }
  .ways { gap: 30px; }
  .launch-inner { grid-template-columns: 74px 1fr; }
  .launch-inner img { grid-row: span 2; }
  .launch-inner .text-link { grid-column: 2; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 40px); }
  .site-header { padding-block: 20px; }
  .wordmark { font-size: 1.6rem; gap: 10px; }
  .wordmark img { width: 42px; height: 42px; border-radius: 11px; }
  .site-header nav { gap: 16px; font-size: .8rem; }
  .site-header nav > a:not(.nav-launch) { display: none; }
  .nav-launch { padding: 9px 14px; }
  .hero { grid-template-columns: 1fr; gap: 8px; padding-top: 30px; padding-bottom: 10px; }
  h1 { max-width: 540px; font-size: clamp(3.1rem, 10.7vw, 4.6rem); }
  h2 { font-size: 2.65rem; }
  .hero-copy { padding: 0; }
  .hero-copy > p:first-of-type { max-width: 440px; font-size: 1.08rem; margin-block: 22px 25px; }
  .hero-art img { height: 350px; width: 100%; }
  .languages { padding-block: 25px 30px; }
  .languages ul { font-size: .8rem; gap: 8px; }
  .languages li { padding: 7px 12px; }
  .listening-section, .privacy-section, .faq-section { grid-template-columns: 1fr; gap: 32px; padding-block: 60px; }
  .section-copy p { max-width: 520px; }
  .demo { max-width: 530px; width: 100%; }
  .ways-section { padding-block: 60px; }
  .ways { grid-template-columns: 1fr; gap: 36px; margin-top: 35px; }
  .ways article { display: grid; grid-template-columns: 90px 1fr; column-gap: 20px; }
  .feature-art { grid-row: 1 / span 2; width: 90px; height: 110px; margin: 0; }
  .ways h3 { font-size: 1.22rem; margin-bottom: 12px; }
  .ways p { max-width: 490px; font-size: .95rem; }
  .privacy-heading > p { margin-bottom: 0; max-width: none; }
  .stretch-art { margin-top: 28px; max-width: 430px; }
  .privacy-copy { padding: 25px; }
  .faq-section { padding-top: 10px; }
  .questions { padding-inline: 23px; }
  .launch-inner { grid-template-columns: 64px 1fr; gap: 20px; padding-block: 38px; }
  .launch-inner h2 { font-size: 1.65rem; }
  .launch-inner img { width: 64px; height: 64px; border-radius: 17px; align-self: start; grid-row: 1; }
  .launch-inner .text-link { grid-column: 1 / -1; }
  .site-footer { flex-wrap: wrap; gap: 18px; padding-block: 28px; }
  .site-footer nav { flex-basis: 100%; }
  .document-page { padding-top: 40px; }
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --background: #000; --surface: #1c1c1e; --ink: #f2f2f7; --secondary: #aeaeb2; --cobalt: #7388ff; --cobalt-hover: #536df6; --cobalt-tint: #252c4a; --line: #38383a; }
  .button { background: #3f5cf6; }
  .button:hover { background: #304bdc; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }