@charset "UTF-8";
:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --white: #fffdf8;
  --ink: #252d29;
  --muted: #636b64;
  --line: #d9dcd2;
  --accent: #ad452f;
  --accent-dark: #873523;
  --accent-soft: #f2e7db;
  --green: #3f614c;
  --green-soft: #e9eee5;
  --serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.8 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
button, a, select, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent-soft); color: var(--ink); }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.3; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: fixed; z-index: 20; top: 8px; left: 8px; padding: 8px 16px; background: var(--white); transform: translateY(-200%); }
.skip:focus { transform: none; }
.header { min-height: 112px; display: flex; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 650; line-height: 1.4; white-space: nowrap; }
.brand small { display: block; margin-top: 5px; font-size: 9px; letter-spacing: 2px; font-weight: 500; }
.brand-mark { background: var(--accent); color: var(--white); width: 42px; height: 45px; display: inline-grid; place-items: center; font: 30px/1 var(--serif); border-radius: 3px; flex-shrink: 0; }
.header nav { display: flex; margin-left: auto; gap: 32px; font-size: 13px; }
.header nav a { padding-block: 10px; }
.header nav a:hover, .text-link:hover { color: var(--accent); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 52px; padding: 12px 24px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; transition: background .18s, border-color .18s; }
.button span { font-size: 20px; font-weight: 400; }
.button.primary { background: var(--accent); color: var(--white); }
.button.primary:hover { background: var(--accent-dark); }
.button.outline { border-color: var(--line); }
.button.outline:hover { border-color: var(--ink); background: var(--white); }
.button.small { min-height: 42px; padding: 6px 16px; font-size: 12px; margin-left: 24px; gap: 16px; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; min-height: 650px; align-items: center; padding-block: 72px 88px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: 1.5px; color: var(--muted); }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: middle; }
h1 { font: 500 clamp(42px, 4.6vw, 66px)/1.36 var(--serif); letter-spacing: -2px; margin-top: 28px; }
.accent-word { color: var(--accent); }
.hero-description { color: var(--muted); font-size: 15px; line-height: 2; margin-top: 26px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.text-link { font-size: 13px; display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
.release-note { margin-top: 24px; color: var(--muted); font-size: 11px; }
.platform-icon { color: var(--ink); font-size: 16px; margin-right: 6px; }
.divider { margin-inline: 12px; color: var(--line); }
.hero-art { position: relative; min-height: 478px; isolation: isolate; }
.art-grid { position: absolute; inset: 12px -12px -8px; background-image: radial-gradient(#bcc6b4 1px, transparent 1px); background-size: 18px 18px; opacity: .45; z-index: -1; mask-image: radial-gradient(ellipse, black 35%, transparent 73%); }
.source-note { position: relative; margin-left: 12px; width: 300px; padding: 20px 24px 28px; background: #ebe9db; border: 1px solid #d7d5c5; transform: rotate(-5deg); }
.tiny-label { display: block; color: var(--muted); font-size: 10px; letter-spacing: .5px; }
.source-note p { font: 21px/1.6 var(--serif); margin-block: 10px; }
.source-doi { font: 9px/1.5 Consolas, monospace; color: var(--muted); }
.transfer-label { position: absolute; right: 8px; top: 76px; font-size: 10px; color: var(--green); display: flex; align-items: center; gap: 12px; transform: rotate(5deg); }
.transfer-label span { font-size: 48px; font-family: var(--serif); }
.library-card { position: relative; margin-top: -20px; margin-left: 60px; transform: rotate(2deg); background: var(--white); border: 1px solid #ced3c9; border-radius: 8px; box-shadow: 0 24px 48px -32px #33413266; overflow: hidden; }
.library-top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--ink); color: var(--paper); font-size: 10px; }
.library-top > span:first-child, .demo-top > span:first-child { display: flex; align-items: center; gap: 8px; }
.mini-mark { font: 17px/1 var(--serif); }
.library-top > span:last-child { color: #c3cdc2; font-size: 9px; }
.paper-body { padding: 22px 24px 18px; }
.paper-type { display: flex; justify-content: space-between; color: var(--muted); font-size: 8px; letter-spacing: 1.5px; }
.paper-body h2 { font: 26px/1.2 Georgia, serif; letter-spacing: -.5px; margin-block: 14px 10px; }
.paper-meta { font-size: 10px; color: var(--muted); }
.paper-rule { height: 1px; background: var(--line); margin-block: 16px 10px; }
.paper-body dl { margin: 0; font-size: 10px; }
.paper-body dl > div { display: flex; gap: 14px; padding-block: 4px; }
.paper-body dt { width: 36px; color: var(--muted); flex-shrink: 0; }
.paper-body dd { margin: 0; overflow-wrap: anywhere; }
.folder { color: var(--accent); font-size: 14px; margin-right: 4px; }
.library-bottom { padding: 12px 20px; display: flex; align-items: center; gap: 8px; background: var(--green-soft); color: var(--green); font-size: 10px; }
.library-bottom > span:last-child { margin-left: auto; }
.check { display: inline-grid; place-items: center; width: 17px; height: 17px; border: 1px solid #8ba38d; border-radius: 50%; }
.art-footnote { display: block; margin: 22px 24px 0 0; text-align: right; font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.input-strip { border-block: 1px solid var(--line); }
.input-strip > div { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 80px; }
.strip-label { font-size: 12px; color: var(--muted); }
.input-strip ul { display: flex; padding: 0; margin: 0; list-style: none; gap: 28px; font-size: 12px; }
.input-strip li::before { content: '+'; color: var(--accent); margin-right: 8px; }
.section { padding-block: 96px; }
.section-heading h2, .privacy h2, .demo-copy h2, .version-intro h2 { font: 500 37px/1.4 var(--serif); margin-top: 16px; letter-spacing: -.8px; }
.section-heading > p:last-child { color: var(--muted); font-size: 14px; margin-top: 16px; }
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; }
.feature { position: relative; padding: 8px 32px 0; border-left: 1px solid var(--line); }
.feature:first-child { padding-left: 0; border: 0; }
.feature:last-child { padding-right: 0; }
.feature-number { position: absolute; right: 32px; top: 8px; color: var(--muted); font: 11px/1.8 Consolas, monospace; }
.feature-icon { font: 40px/1.3 var(--serif); color: var(--accent); height: 64px; }
.feature h3 { font-size: 18px; font-weight: 600; margin-block: 12px; }
.feature p { font-size: 13px; color: var(--muted); line-height: 1.9; }
.feature-caption { display: block; margin-top: 24px; font-size: 10px; color: var(--green); }
.demo-section { background: var(--green-soft); padding-block: 80px; border-block: 1px solid var(--line); }
.demo-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 96px; align-items: center; }
.demo-copy > p:not(.eyebrow) { margin-top: 20px; color: var(--muted); font-size: 14px; }
.workflow-steps { list-style: none; padding: 0; margin: 36px 0 0; }
.workflow-steps li { display: flex; gap: 16px; position: relative; padding-bottom: 24px; }
.workflow-steps li:last-child { padding-bottom: 0; }
.workflow-steps li > span { width: 28px; height: 28px; display: grid; place-items: center; flex-shrink: 0; border: 1px solid #b8c4b3; border-radius: 50%; color: var(--green); font: 11px/1 Consolas, monospace; }
.workflow-steps li:not(:last-child)::after { content: ''; position: absolute; left: 13px; top: 34px; bottom: 7px; width: 1px; background: #c7d1c1; }
.workflow-steps h3 { font-size: 14px; margin-bottom: 4px; }
.workflow-steps p { font-size: 12px; color: var(--muted); }
.demo { padding: 24px; background: var(--white); border: 1px solid #cad3c5; border-radius: 8px; min-height: 398px; scroll-margin-top: 32px; }
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; font-weight: 600; }
.demo-top .mini-mark { color: var(--accent); }
.demo-badge { border: 1px solid var(--line); color: var(--muted); border-radius: 3px; padding: 2px 8px; font-size: 9px; white-space: nowrap; }
.demo-disclaimer { color: var(--muted); font-size: 10px; line-height: 1.8; margin-top: 12px; }
.demo-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--line); margin-top: 16px; }
.demo-tabs button { background: none; color: var(--muted); padding: 12px; border: 0; border-bottom: 2px solid transparent; font-size: 12px; }
.demo-tabs button[aria-pressed="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 650; }
.demo-input { margin-block: 20px; padding: 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; }
.demo-input p { margin-top: 8px; font: 13px/1.8 Consolas, var(--sans); white-space: pre-line; overflow-wrap: anywhere; }
.demo-actions { display: flex; align-items: center; gap: 16px; }
.demo-actions .button { min-height: 44px; padding: 10px 16px; font-size: 12px; }
.demo-status { font-size: 10px; color: var(--muted); margin-top: 16px; }
.reset { border: 0; background: none; color: var(--muted); padding: 10px 4px; font-size: 11px; }
.reset:hover { color: var(--accent); }
.demo-result { padding-bottom: 20px; }
.result-kicker { font-size: 10px; color: var(--green); display: flex; justify-content: space-between; gap: 8px; }
.result-kicker span { color: var(--muted); }
.demo-result h3 { font: 22px/1.4 Georgia, serif; margin-block: 12px 6px; }
.demo-result > p:not(.result-kicker) { color: var(--muted); font-size: 11px; }
.result-doi { margin-top: 5px; overflow-wrap: anywhere; }
.collection-label { display: block; font-size: 11px; margin-block: 16px 6px; }
.demo-result select { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 3px; background: var(--white); color: var(--ink); padding: 8px 12px; font-size: 12px; }
.demo-success { padding: 8px 0 24px; }
.success-icon { display: inline-grid; place-items: center; width: 32px; height: 32px; background: var(--green-soft); border-radius: 50%; color: var(--green); margin-bottom: 12px; }
.demo-success h3 { font: 22px/1.4 var(--serif); }
.demo-success > p:not(.demo-disclaimer) { font-size: 12px; margin-top: 8px; }
.privacy { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; }
.privacy-intro { margin-top: 24px; color: var(--muted); font-size: 14px; }
.privacy-list { margin: 0; }
.privacy-list > div { border-bottom: 1px solid var(--line); padding-block: 20px; }
.privacy-list > div:first-child { padding-top: 4px; }
.privacy-list dt { font-size: 15px; font-weight: 600; }
.privacy-list dt span { color: var(--accent); display: inline-block; width: 30px; font-size: 20px; }
.privacy-list dd { margin: 8px 0 0 30px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.versions { background: var(--ink); color: var(--paper); padding: 56px; border-radius: 8px; }
.version-intro .eyebrow { color: #b8c3b6; }
.version-intro h2 { font-size: 34px; }
.version-intro > p:last-child { color: #bac3b8; font-size: 13px; margin-top: 16px; }
.platforms { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px; }
.platform + .platform { border-left: 1px solid #546056; padding-left: 48px; }
.platform-heading { display: flex; justify-content: space-between; align-items: center; }
.os-symbol { font: 38px/1 var(--sans); }
.mac-symbol { font-size: 32px; }
.pill { border-radius: 3px; background: #4f6553; color: #f0f4e9; font-size: 10px; padding: 4px 10px; }
.pill.neutral { background: #3b453e; color: #d9ded4; }
.platform h3 { font-size: 23px; font-weight: 500; margin-block: 20px 4px; }
.platform > p { color: #bdc6bb; font-size: 12px; }
.platform .platform-detail { margin-top: 20px; line-height: 1.9; max-width: 350px; }
.availability { display: block; margin-top: 28px; padding-top: 16px; border-top: 1px solid #546056; font-size: 11px; color: #dbe2d6; }
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; }
.faq h2 { font-size: 31px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; cursor: pointer; list-style: none; font-size: 14px; padding-block: 20px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent); font-size: 21px; font-weight: 400; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { font-size: 12px; color: var(--muted); padding: 0 32px 24px 0; line-height: 2; }
.closing { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 24px; padding-block: 40px; }
.closing h2 { font: 25px/1.5 var(--serif); }
.closing p { font-size: 12px; color: var(--muted); margin-top: 6px; }
.closing .text-link { margin-left: auto; color: var(--accent); }
.footer { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding-block: 32px; font-size: 10px; color: var(--muted); }
.footer strong { color: var(--ink); font-size: 12px; }
.footer p { margin-top: 4px; }
.footer a { padding-block: 12px; white-space: nowrap; }
@media (min-width: 1600px) { .hero { min-height: 710px; } }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .header nav { gap: 20px; }
  .button.small { margin-left: 4px; }
  .hero { gap: 24px; }
  h1 { font-size: 52px; }
  .hero-actions { gap: 16px; flex-wrap: wrap; }
  .library-card { margin-left: 24px; }
  .source-note { width: 250px; }
  .transfer-label { top: 84px; right: -8px; }
  .input-strip > div { flex-wrap: wrap; justify-content: center; padding-block: 16px; gap: 12px; }
  .input-strip ul { gap: 24px; }
  .demo-layout, .privacy { gap: 48px; }
  .faq { gap: 40px; }
}
@media (max-width: 800px) {
  .wrap { width: calc(100% - 48px); }
  .header { min-height: 88px; }
  .header nav { display: none; }
  .header .button { margin-left: auto; }
  .hero { padding-block: 48px 56px; grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { max-width: 560px; }
  h1 { font-size: 58px; }
  .hero-art { max-width: 500px; width: 100%; margin-inline: auto; min-height: 470px; }
  .source-note { width: 300px; }
  .library-card { margin-left: 64px; }
  .transfer-label { right: 12px; top: 80px; }
  .section { padding-block: 64px; }
  .section-heading h2, .privacy h2, .demo-copy h2 { font-size: 33px; }
  .feature { padding-inline: 20px; }
  .feature-number { right: 20px; }
  .feature h3 { font-size: 16px; }
  .demo-layout { grid-template-columns: 1fr; gap: 32px; }
  .demo-copy h2 br { display: none; }
  .workflow-steps { display: flex; gap: 20px; }
  .workflow-steps li { flex: 1; padding: 0; gap: 8px; }
  .workflow-steps li::after { display: none; }
  .workflow-steps p { font-size: 11px; }
  .privacy { grid-template-columns: 1fr; gap: 32px; }
  .privacy h2 br { display: none; }
  .versions { padding: 32px; }
  .platforms { gap: 32px; }
  .platform + .platform { padding-left: 32px; }
  .faq { grid-template-columns: 1fr; gap: 24px; }
  .closing { flex-wrap: wrap; gap: 16px; }
  .closing .text-link { margin-left: 58px; }
  .footer { align-items: flex-start; flex-wrap: wrap; gap: 20px; }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 40px); }
  .brand { font-size: 14px; gap: 8px; white-space: normal; flex: 1; min-width: 0; }
  .header > .button { flex-shrink: 0; }
  .brand small { font-size: 7px; letter-spacing: 1.5px; }
  .brand-mark { width: 34px; height: 38px; font-size: 26px; }
  .header { gap: 8px; }
  .button.small { padding: 6px 10px; font-size: 10px; gap: 8px; }
  .button.small span { font-size: 16px; }
  .eyebrow { font-size: 9px; letter-spacing: 1px; }
  h1 { font-size: clamp(39px, 10.8vw, 56px); margin-top: 20px; letter-spacing: -1px; }
  .hero-description { font-size: 13px; }
  .hero-actions { gap: 8px 20px; margin-top: 24px; }
  .hero-actions .button { font-size: 12px; padding-inline: 16px; gap: 16px; }
  .hero-art { min-height: 448px; margin-top: 8px; }
  .source-note { width: 240px; margin-left: 8px; padding: 16px 20px 24px; }
  .source-note p { font-size: 19px; }
  .source-doi { font-size: 8px; }
  .transfer-label { top: 116px; right: 0; font-size: 8px; gap: 5px; }
  .transfer-label span { font-size: 32px; }
  .library-card { margin-top: 2px; margin-left: 12px; margin-right: 4px; }
  .paper-body { padding: 20px; }
  .paper-body h2 { font-size: 24px; }
  .art-footnote { font-size: 9px; margin-right: 4px; }
  .art-grid { inset-inline: 0; }
  .input-strip > div { padding-block: 20px; }
  .input-strip ul { flex-wrap: wrap; justify-content: center; gap: 8px 16px; font-size: 10px; }
  .strip-label { font-size: 11px; }
  .section-heading h2, .privacy h2, .demo-copy h2 { font-size: 28px; }
  .section-heading > p:last-child { font-size: 12px; }
  .feature-list { grid-template-columns: 1fr; margin-top: 28px; }
  .feature, .feature:first-child, .feature:last-child { border-left: 0; border-bottom: 1px solid var(--line); padding: 24px 0; }
  .feature:last-child { border-bottom: 0; padding-bottom: 0; }
  .feature-number { right: 0; top: 24px; }
  .feature-icon { height: 40px; font-size: 32px; }
  .feature h3 { font-size: 18px; }
  .feature-caption { margin-top: 16px; }
  .demo-section { padding-block: 56px; }
  .workflow-steps { display: block; margin-top: 28px; }
  .workflow-steps li { padding-bottom: 20px; gap: 12px; }
  .demo { padding: 20px 16px; }
  .demo-top { font-size: 11px; gap: 8px; }
  .demo-badge { font-size: 8px; padding-inline: 5px; }
  .demo-tabs { gap: 4px; }
  .demo-tabs button { font-size: 11px; padding-inline: 10px; }
  .demo-input { padding: 12px; }
  .demo-input p { font-size: 11px; }
  .demo-result h3 { font-size: 20px; }
  .result-kicker { flex-wrap: wrap; }
  .demo-actions { gap: 8px; flex-wrap: wrap; }
  .versions { padding: 28px 24px; }
  .version-intro h2 { font-size: 26px; }
  .platforms { grid-template-columns: 1fr; gap: 32px; }
  .platform + .platform { border-left: 0; border-top: 1px solid #546056; padding: 32px 0 0; }
  .faq-list summary { font-size: 13px; }
  .closing { align-items: flex-start; }
  .closing h2 { font-size: 21px; }
  .closing > div { flex: 1; min-width: 190px; }
  .closing .text-link { margin-left: 50px; font-size: 12px; }
  .footer { font-size: 9px; gap: 16px; }
  .footer > p { width: 100%; order: 3; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.waitlist { border-top: 1px solid var(--line); }
#waitlist-form { max-width: 640px; display: grid; gap: 12px; }
#waitlist-form > label { font-weight: 600; margin-top: 12px; }
#waitlist-form input:not([type="checkbox"]), #waitlist-form textarea, #waitlist-form select {
  width: 100%; min-width: 0; border: 1px solid var(--muted); border-radius: 4px;
  padding: 12px; font: inherit; color: var(--ink); background: var(--white);
}
#waitlist-form textarea { resize: vertical; }
#waitlist-form .consent { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; font-weight: 400; }
.consent input { flex-shrink: 0; margin-top: 7px; width: 18px; height: 18px; }
.application-privacy { padding: 16px; background: var(--green-soft); font-size: 14px; overflow-wrap: anywhere; }
.application-privacy summary { cursor: pointer; font-weight: 600; }
.application-privacy p { margin-top: 12px; }
.application-privacy a { text-decoration: underline; }
#application-status { max-width: 640px; margin-top: 20px; overflow-wrap: anywhere; }
.honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
input:focus-visible, textarea:focus-visible, #application-status:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
button:disabled { opacity: .6; cursor: not-allowed; }
#application-challenge { min-width: 0; }