:root {
  color-scheme: light;
  --paper: #f7faff;
  --white: #fff;
  --ink: #20334f;
  --muted: #596a82;
  --blue: #0071fc;
  --blue-action: #0069ed;
  --blue-deep: #0057c8;
  --blue-wash: #e9f3ff;
  --line: #d9e6f6;
  --blue-soft: #d0e7ff;
  --type: "Avenir Next", Avenir, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--type); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 600; }
svg { display: block; }
::selection { background: var(--blue-soft); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.shell { width: min(1180px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; top: 8px; left: 16px; padding: 12px 18px; border-radius: 8px; background: var(--ink); color: var(--white); z-index: 5; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; padding-top: 30px; padding-bottom: 30px; }
.wordmark { display: inline-flex; gap: 11px; align-items: center; font-size: 23px; font-weight: 600; letter-spacing: -.9px; }
.brand-mark { display: block; width: 38px; height: 38px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 500; }
.quiet-link { color: var(--muted); }
.quiet-link:hover, .site-footer > a:last-child:hover { color: var(--blue-action); }
.nav-download { display: flex; align-items: center; gap: 12px; padding: 11px 17px; border: 1px solid #c4d7ef; border-radius: 8px; }
.nav-download:hover { background: var(--blue-wash); }
.nav-download span { font-size: 19px; line-height: 1; }
.hero { display: grid; grid-template-columns: .91fr 1.09fr; align-items: center; gap: 15px; padding-top: 65px; padding-bottom: 94px; }
.preview-note { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; margin-bottom: 26px; }
.status-dot { height: 7px; width: 7px; flex: 0 0 7px; background: var(--blue); border-radius: 50%; }
h1 { font-size: clamp(59px, 5.8vw, 81px); letter-spacing: -4.5px; line-height: 1.025; font-weight: 600; }
.hero-description { margin-top: 25px; margin-bottom: 29px; max-width: 360px; font-size: 16px; line-height: 1.65; color: var(--muted); }
.download-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 53px; padding: 14px 24px; border-radius: 9px; background: var(--blue-action); color: var(--white); font-size: 15px; font-weight: 600; }
.download-button:hover { background: var(--blue-deep); }
.download-button svg { height: 19px; width: 19px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.download-detail { margin-top: 13px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.download-detail span { display: block; }
.voice-scene { height: 475px; width: 100%; position: relative; }
.scene-orbit { position: absolute; width: 410px; height: 410px; top: 8px; right: 14px; border-radius: 50%; background: var(--blue-wash); }
.draft-paper { width: 346px; height: 322px; position: absolute; right: 2px; top: 34px; padding: 23px 29px; background: var(--white); border-radius: 10px; box-shadow: 0 2px 2px #20334f04, 0 16px 40px #0069ed0d; transform: rotate(5deg); border: 1px solid #e0ebf8; }
.paper-header { display: flex; align-items: center; gap: 6px; font-size: 10px; line-height: 1; color: var(--muted); padding-bottom: 29px; }
.paper-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-soft); border: 1px solid #87bfff; }
.paper-date { margin-left: auto; color: #9aa4b9; }
.draft-text { font-size: 28px; line-height: 1.42; font-weight: 500; letter-spacing: -.8px; }
.text-caret { display: inline-block; height: 29px; width: 2px; background: var(--blue); vertical-align: -4px; margin-left: 3px; }
.paper-lines { display: grid; gap: 14px; padding-top: 24px; }
.paper-lines span { height: 3px; border-radius: 2px; background: #edf3fa; }
.paper-lines span:nth-child(2) { width: 85%; }
.paper-lines span:last-child { width: 56%; }
.sound-line { position: absolute; top: 268px; left: 79px; display: flex; gap: 5px; height: 74px; align-items: center; transform: rotate(-8deg); z-index: 1; }
.sound-line i { display: block; width: 4px; height: calc(var(--level) * 1px); background: var(--blue); border-radius: 3px; }
.key-wrap { position: absolute; top: 293px; left: 14px; z-index: 2; }
.fn-key { position: relative; display: flex; width: 146px; height: 135px; padding: 20px; flex-direction: column; justify-content: space-between; align-items: flex-start; border: 1px solid #cfdef1; border-bottom: 6px solid #cfdef1; border-radius: 20px; color: var(--ink); background: linear-gradient(145deg, #fff, #eaf3ff); box-shadow: 0 14px 18px #20334f14, inset 0 1px 1px #fff; transform: rotate(-10deg); cursor: pointer; }
.fn-key span { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 31px; font-weight: 400; line-height: 1; }
.fn-key svg { height: 25px; width: 25px; fill: none; stroke: #6883a5; stroke-width: 1.4; }
.fn-key:active, .voice-scene.is-playing .fn-key { transform: rotate(-10deg) translateY(4px); border-bottom-width: 2px; box-shadow: 0 8px 10px #20334f14; }
.key-caption { display: block; color: var(--muted); font-size: 11px; margin-top: 21px; margin-left: 37px; }
.scene-note { display: flex; gap: 9px; align-items: center; position: absolute; right: 18px; top: 390px; font-size: 13px; transform: rotate(0deg); color: var(--muted); }
.note-line { height: 1px; width: 32px; background: #b4cbe6; }
.sample-disclaimer { position: absolute; bottom: -6px; right: 18px; font-size: 10px; color: var(--muted); }
.voice-scene.is-playing .sound-line i { animation: speak-sample 500ms ease-in-out calc(var(--delay) * -40ms) infinite alternate; }
.voice-scene.is-playing .text-caret { animation: blink-caret 700ms steps(1) infinite; }
@keyframes speak-sample { from { transform: scaleY(.45); } to { transform: scaleY(1.25); } }
@keyframes blink-caret { 50% { opacity: 0; } }
.example-section { background: var(--blue-wash); border-block: 1px solid #dce9f9; padding-block: 80px; }
.example-layout { display: grid; grid-template-columns: .87fr 1.13fr; gap: 76px; align-items: center; }
h2 { font-size: 47px; line-height: 1.09; letter-spacing: -2.1px; }
.example-copy > p:first-of-type { margin-top: 22px; max-width: 290px; font-size: 15px; line-height: 1.7; color: var(--muted); }
.mode-tabs { display: inline-flex; align-items: center; gap: 3px; padding: 4px; margin-top: 26px; border: 1px solid #bfd5f0; border-radius: 9px; }
.mode-tabs button { padding: 9px 12px; font-size: 13px; color: #526985; border: 0; border-radius: 6px; background: transparent; cursor: pointer; }
.mode-tabs button:hover { background: #ffffff70; }
.mode-tabs button[aria-selected="true"] { background: var(--white); color: var(--blue-deep); box-shadow: 0 1px 3px #20334f14; font-weight: 600; }
.mode-description { margin-top: 12px; font-size: 12px; min-height: 20px; color: var(--blue-deep); }
.model-note { margin-top: 25px; max-width: 280px; font-size: 11px; line-height: 1.65; color: var(--muted); }
.example-draft { background: var(--white); border-radius: 11px; box-shadow: 0 16px 35px #0069ed0a; }
.example-header { display: flex; justify-content: space-between; padding: 19px 26px; border-bottom: 1px solid #edf3fa; font-size: 11px; color: var(--muted); }
.example-mode { color: var(--blue-action); font-weight: 500; }
.spoken-input { padding: 25px 29px 23px; }
.spoken-input > span, .output-label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 10px; }
.spoken-input > p { font-size: 14px; line-height: 1.75; color: #61718a; }
.example-output { padding: 23px 29px 28px; border-top: 1px solid #edf3fa; }
.output-text { min-height: 144px; font-size: 22px; line-height: 1.6; letter-spacing: -.45px; white-space: pre-line; }
.draft-footnote { display: flex; align-items: center; gap: 7px; padding: 0 29px 20px; font-size: 10px; color: var(--muted); }
.draft-footnote > span { font-size: 16px; color: var(--blue); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 72px; padding-block: 78px; border-bottom: 1px solid var(--line); }
.feature > svg { width: 37px; height: 37px; fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 19px; }
h3 { font-size: 18px; line-height: 1.4; letter-spacing: -.45px; }
.feature > p { font-size: 14px; line-height: 1.75; color: var(--muted); margin-top: 11px; }
.start-section { display: grid; grid-template-columns: .87fr 1.13fr; gap: 76px; padding-block: 86px 94px; }
.start-copy > p:first-of-type { font-size: 15px; line-height: 1.75; color: var(--muted); margin-top: 20px; margin-bottom: 27px; max-width: 285px; }
.setup-notes > h3 { font-size: 17px; padding-bottom: 15px; }
.setup-notes details { border-bottom: 1px solid var(--line); }
.setup-notes summary { display: flex; justify-content: space-between; gap: 24px; list-style: none; cursor: pointer; padding-block: 17px; font-size: 14px; font-weight: 500; }
.setup-notes summary::-webkit-details-marker { display: none; }
.setup-notes summary::after { content: "+"; font-size: 20px; font-weight: 400; line-height: 20px; color: var(--muted); }
.setup-notes details[open] summary::after { content: "−"; }
.setup-notes details > p { font-size: 13px; line-height: 1.85; color: var(--muted); padding: 0 35px 18px 0; }
.setup-notes details a { color: var(--blue-action); text-decoration: underline; text-underline-offset: 3px; }
.site-footer { padding-block: 27px 32px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 30px; }
.site-footer .wordmark { font-size: 16px; letter-spacing: -.4px; gap: 8px; }
.site-footer .brand-mark { height: 25px; width: 25px; }
.site-footer > p { font-size: 12px; color: var(--muted); }
.site-footer > a:last-child { margin-left: auto; font-size: 12px; color: var(--muted); }
.privacy-main { max-width: 700px; padding-block: 75px 90px; }
.privacy-main h1 { font-size: 64px; letter-spacing: -3px; }
.privacy-intro { font-size: 19px; line-height: 1.65; margin-top: 24px; color: var(--muted); }
.privacy-main h2 { font-size: 25px; line-height: 1.3; letter-spacing: -.7px; margin-top: 42px; margin-bottom: 13px; }
.privacy-main p:not(.privacy-intro):not(.privacy-date) { font-size: 15px; line-height: 1.85; margin-top: 12px; color: var(--muted); }
.privacy-main p a { color: var(--blue-action); text-decoration: underline; text-underline-offset: 3px; }
.privacy-date { margin-top: 45px; color: var(--muted); font-size: 12px; }
@media (min-width: 1400px) { .hero { gap: 56px; } }
@media (max-width: 1080px) {
  .shell { width: calc(100% - 64px); }
  .hero { padding-top: 46px; gap: 0; }
  h1 { font-size: 67px; letter-spacing: -3.7px; }
  .hero-description { max-width: 325px; font-size: 15px; }
  .voice-scene { transform: scale(.88); transform-origin: right center; margin-left: -20px; width: calc(100% + 20px); }
  .example-layout, .start-section { gap: 45px; }
  .features { gap: 38px; }
  h2 { font-size: 43px; }
  .output-text { font-size: 20px; }
}
@media (max-width: 800px) {
  .shell { width: calc(100% - 48px); }
  .site-header { padding-block: 23px; }
  .wordmark { font-size: 21px; }
  .site-header nav { gap: 22px; }
  .hero { padding-top: 34px; padding-bottom: 45px; grid-template-columns: 1fr 1fr; }
  h1 { font-size: 56px; letter-spacing: -3.2px; }
  .preview-note { font-size: 11px; margin-bottom: 20px; }
  .hero-description { font-size: 14px; max-width: 295px; }
  .voice-scene { transform: scale(.7); margin-left: -95px; width: calc(100% + 95px); }
  .scene-orbit { right: 0; }
  .example-section { padding-block: 60px; }
  .example-layout { gap: 28px; grid-template-columns: .85fr 1.15fr; }
  h2 { font-size: 36px; letter-spacing: -1.7px; }
  .example-copy > p:first-of-type { font-size: 14px; }
  .mode-tabs { gap: 0; }
  .mode-tabs button { font-size: 11px; padding-inline: 9px; }
  .spoken-input, .example-output { padding-inline: 22px; }
  .example-header { padding-inline: 22px; }
  .draft-footnote { padding-inline: 22px; }
  .output-text { min-height: 169px; font-size: 18px; }
  .features { gap: 26px; padding-block: 54px; }
  .feature > p { font-size: 13px; }
  h3 { font-size: 16px; }
  .start-section { gap: 38px; padding-block: 63px; }
  .setup-notes summary { font-size: 13px; }
  .setup-notes details > p { padding-right: 15px; font-size: 12px; }
}
@media (max-width: 640px) {
  .shell { width: calc(100% - 40px); }
  .site-header { padding-block: 20px; }
  .wordmark { font-size: 20px; gap: 7px; }
  .brand-mark { width: 34px; height: 34px; }
  .site-header .quiet-link { display: none; }
  .nav-download { padding: 9px 12px; font-size: 12px; gap: 7px; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding-top: 34px; padding-bottom: 42px; }
  .hero-copy { max-width: 410px; }
  h1 { font-size: clamp(54px, 14.5vw, 76px); letter-spacing: -3.8px; }
  .preview-note { font-size: 12px; margin-bottom: 21px; }
  .hero-description { max-width: 325px; font-size: 15px; margin-top: 23px; margin-bottom: 24px; }
  .download-button { min-height: 51px; padding: 13px 22px; font-size: 14px; }
  .voice-scene { transform: none; height: 395px; width: min(100%, 430px); margin: 16px auto 0; }
  .scene-orbit { width: 315px; height: 315px; right: 5px; top: 10px; }
  .draft-paper { width: 275px; height: 267px; right: 8px; top: 30px; padding: 20px 23px; }
  .paper-header { font-size: 9px; padding-bottom: 22px; }
  .draft-text { font-size: 22px; }
  .text-caret { height: 24px; }
  .paper-lines { padding-top: 18px; gap: 12px; }
  .key-wrap { top: 244px; left: 12px; }
  .fn-key { width: 111px; height: 106px; padding: 15px; border-radius: 16px; }
  .fn-key span { font-size: 25px; }
  .fn-key svg { width: 21px; height: 21px; }
  .key-caption { margin-left: 25px; margin-top: 17px; font-size: 10px; }
  .sound-line { top: 227px; left: 45px; gap: 4px; transform: rotate(-8deg) scale(.8); transform-origin: left; }
  .scene-note { right: 7px; top: 332px; font-size: 11px; gap: 7px; }
  .note-line { width: 17px; }
  .sample-disclaimer { right: 7px; bottom: 0; font-size: 9px; }
  .example-section { padding-block: 46px; }
  .example-layout { grid-template-columns: 1fr; gap: 30px; }
  h2 { font-size: 39px; letter-spacing: -1.9px; }
  .example-copy h2 br:nth-child(2) { display: none; }
  .example-copy > p:first-of-type { max-width: 310px; font-size: 14px; margin-top: 18px; }
  .mode-tabs { margin-top: 21px; }
  .mode-tabs button { font-size: 12px; padding-inline: 13px; }
  .model-note { margin-top: 14px; max-width: 330px; }
  .example-header { padding: 17px 22px; }
  .spoken-input { padding-block: 21px; }
  .spoken-input > p { font-size: 13px; }
  .output-text { font-size: 20px; min-height: 165px; }
  .features { grid-template-columns: 1fr; gap: 30px; padding-block: 46px; }
  .feature { padding-left: 57px; position: relative; }
  .feature > svg { position: absolute; left: 0; top: 0; width: 34px; height: 34px; }
  .feature > p { margin-top: 7px; max-width: 340px; font-size: 13px; }
  .feature h3 { font-size: 17px; }
  .start-section { grid-template-columns: 1fr; gap: 42px; padding-block: 49px 48px; }
  .start-copy h2 br { display: none; }
  .start-copy > p:first-of-type { max-width: 300px; font-size: 14px; margin-block: 17px 22px; }
  .setup-notes > h3 { font-size: 16px; }
  .setup-notes summary { font-size: 14px; }
  .setup-notes details > p { font-size: 13px; }
  .site-footer { gap: 20px; padding-block: 23px 27px; }
  .site-footer > p { display: none; }
  .privacy-main { padding-block: 46px 60px; }
  .privacy-main h1 { font-size: 52px; }
  .privacy-intro { font-size: 17px; margin-top: 21px; }
  .privacy-main h2 { margin-top: 34px; font-size: 23px; }
  .privacy-main p:not(.privacy-intro):not(.privacy-date) { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
