:root {
  color-scheme: dark;
  --bg: #07101c;
  --bg-soft: #0b1727;
  --surface: rgba(17, 33, 53, .82);
  --surface-solid: #102036;
  --line: rgba(159, 189, 222, .18);
  --text: #f5f7fb;
  --muted: #a8b7ca;
  --brand: #70c5ff;
  --brand-2: #8f7cff;
  --accent: #f6be5f;
  --good: #67d6aa;
  --focus: #ffd36f;
  --shadow: 0 32px 90px rgba(0, 0, 0, .34);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-soft: #e9eff7;
  --surface: rgba(255, 255, 255, .9);
  --surface-solid: #ffffff;
  --line: rgba(29, 55, 84, .16);
  --text: #102038;
  --muted: #53667f;
  --brand: #116da8;
  --brand-2: #5a46d6;
  --accent: #9a5b00;
  --good: #147453;
  --focus: #725300;
  --shadow: 0 28px 70px rgba(38, 67, 101, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; overflow-x: hidden; background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: inherit; text-underline-offset: .2em; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: .25rem; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--focus); color: #10141a; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.environment-banner { min-height: 2.25rem; display: flex; align-items: center; justify-content: center; gap: .55rem; padding: .35rem 1rem; border-bottom: 1px solid var(--line); background: #131c2a; color: #dfe8f6; font-size: .84rem; letter-spacing: .03em; text-align: center; }
.signal { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 .24rem rgba(246, 190, 95, .16); }
.site-header { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; min-height: 5rem; padding: .8rem clamp(1rem, 5vw, 5rem); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(20px); }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { border-radius: .7rem; box-shadow: 0 10px 30px rgba(58, 126, 255, .22); }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-size: 1.05rem; }
.brand small { margin-top: .28rem; color: var(--muted); font-size: .62rem; letter-spacing: .15em; }
.site-nav { display: flex; justify-content: center; align-items: center; gap: clamp(1rem, 2.6vw, 2.4rem); }
.site-nav a, .site-footer a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-footer a:hover { color: var(--text); }
.theme-toggle, .nav-toggle { min-width: 3rem; min-height: 2.75rem; padding: .5rem .8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--text); font: inherit; cursor: pointer; }
.nav-toggle { display: none; }
.shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: clamp(2rem, 5vw, 6rem); align-items: center; min-height: min(800px, calc(100vh - 7.25rem)); padding-block: clamp(4rem, 9vw, 8rem); }
.hero::before { content: ""; position: absolute; inset: 10% 45% 15% -20%; z-index: -1; background: radial-gradient(circle, rgba(68, 153, 255, .18), transparent 68%); filter: blur(14px); }
.eyebrow { margin: 0 0 1rem; color: var(--brand); font-size: .82rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { max-width: 10ch; margin: 0; font-size: clamp(3rem, 6.3vw, 6.7rem); line-height: .99; letter-spacing: -.055em; }
h1 span { display: block; color: transparent; background: linear-gradient(110deg, var(--brand), #b9a7ff 54%, var(--accent)); background-clip: text; }
.lead { max-width: 44rem; margin: 1.7rem 0 0; color: var(--muted); font-size: clamp(1.04rem, 1.5vw, 1.22rem); }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; padding: .72rem 1.2rem; border-radius: .8rem; text-decoration: none; font-weight: 800; }
.button.primary { background: var(--text); color: var(--bg); }
.button.secondary { border: 1px solid var(--line); background: var(--surface); }
.proof-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 2.7rem 0 0; }
.proof-row div { padding-top: 1rem; border-top: 1px solid var(--line); }
.proof-row dt { color: var(--muted); font-size: .78rem; }
.proof-row dd { margin: .3rem 0 0; font-weight: 800; }
.product-stage { position: relative; }
.product-stage > p { margin: 1rem 0 0; color: var(--muted); font-size: .8rem; text-align: center; }
.stage-glow { position: absolute; inset: 0; z-index: -1; border-radius: 50%; background: conic-gradient(from 30deg, rgba(82, 196, 255, .2), rgba(131, 98, 255, .18), transparent 55%); filter: blur(32px); }
.demo-window { display: grid; grid-template-columns: 4rem 1fr; min-height: 390px; overflow: hidden; border: 1px solid rgba(151, 198, 245, .24); border-radius: 1.35rem; background: #0b1524; box-shadow: var(--shadow); transform: perspective(1100px) rotateY(-4deg) rotateX(2deg); }
.demo-rail { display: flex; flex-direction: column; align-items: center; gap: 1.4rem; padding: 1rem .7rem; border-right: 1px solid rgba(151, 198, 245, .16); background: #091321; }
.demo-logo { display: grid; width: 2.4rem; height: 2.4rem; place-items: center; border-radius: .7rem; background: linear-gradient(135deg, #7658ff, #04a8d5); font-size: .7rem; font-weight: 900; }
.demo-rail > span:not(.demo-logo) { width: 1.45rem; height: .28rem; border-radius: 1rem; background: #30405a; }
.demo-rail > .active { height: 2rem !important; background: #347ddc !important; }
.demo-main { padding: 1.3rem; color: #edf5ff; }
.demo-top { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding-bottom: 1rem; border-bottom: 1px solid #2a3c53; }
.demo-top span { color: #77d8b0; font-size: .72rem; }
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1rem; }
.demo-grid article { min-height: 8.7rem; padding: 1rem; border: 1px solid #2c4867; border-radius: .8rem; background: #132238; }
.demo-grid small { color: #94a8c1; }
.demo-grid strong { display: block; margin-top: .7rem; font-size: 1.55rem; }
.demo-grid i { display: block; width: 62%; height: .3rem; margin-top: 1rem; border-radius: 1rem; background: linear-gradient(90deg, #3f91ff, #6ed2bd); }
.demo-timeline { display: grid; gap: .75rem; margin-top: 1rem; padding: 1rem; border: 1px solid #263b55; border-radius: .8rem; }
.demo-timeline span { height: .55rem; border-radius: 1rem; background: #24374f; }
.demo-timeline span:nth-child(1) { width: 78%; }.demo-timeline span:nth-child(2) { width: 56%; }.demo-timeline span:nth-child(3) { width: 88%; }.demo-timeline span:nth-child(4) { width: 66%; }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); background: var(--bg-soft); }
.trust-strip div { display: grid; gap: .25rem; min-height: 7rem; align-content: center; padding: 1.2rem clamp(1rem, 5vw, 5rem); border-right: 1px solid var(--line); }
.trust-strip div:last-child { border-right: 0; }
.trust-strip span { color: var(--muted); font-size: .9rem; }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.section-heading { max-width: 46rem; }
h2 { margin: 0; font-size: clamp(2.15rem, 4.5vw, 4.4rem); line-height: 1.06; letter-spacing: -.04em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.feature-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 3rem; }
.feature-cards article { min-height: 19rem; padding: 1.55rem; border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(145deg, var(--surface), transparent); }
.feature-cards article > span { color: var(--brand); font-size: .8rem; font-weight: 900; }
.feature-cards h3 { margin: 3rem 0 1rem; font-size: 1.45rem; }
.feature-cards p { color: var(--muted); }
.feature-cards a { display: inline-block; margin-top: 1rem; color: var(--brand); font-weight: 800; }
.split-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem; border-top: 1px solid var(--line); }
.status-list { display: grid; gap: .8rem; }
.status-list p { margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); color: var(--muted); }
.status { display: inline-flex; min-width: 4.3rem; justify-content: center; margin-right: .7rem; padding: .12rem .48rem; border-radius: 999px; font-size: .75rem; font-weight: 900; }
.status.released { background: rgba(103, 214, 170, .16); color: var(--good); }.status.testing { background: rgba(112, 197, 255, .15); color: var(--brand); }.status.planned { background: rgba(246, 190, 95, .15); color: var(--accent); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 3.5rem clamp(1rem, 5vw, 5rem); border-top: 1px solid var(--line); background: var(--bg-soft); }
.site-footer p { margin: .4rem 0 0; color: var(--muted); }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 1rem 1.5rem; }
.footer-status { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .82rem; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: auto auto auto; gap: .7rem; }
  .nav-toggle { display: inline-flex; justify-self: end; align-items: center; }
  .site-nav { position: absolute; top: calc(100% + 1px); left: 1rem; right: 1rem; display: none; align-items: stretch; padding: .8rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface-solid); box-shadow: var(--shadow); }
  .site-nav.open { display: grid; }
  .site-nav a { min-height: 2.8rem; display: flex; align-items: center; padding: 0 .7rem; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .product-stage { width: min(660px, 100%); margin-inline: auto; }
  .trust-strip, .feature-cards { grid-template-columns: 1fr; }
  .trust-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-strip div:last-child { border-bottom: 0; }
  .split-panel { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .environment-banner { font-size: .76rem; }
  .site-header { padding-inline: .8rem; }
  .brand small { display: none; }
  .theme-toggle { min-width: 2.8rem; width: 2.8rem; overflow: hidden; color: transparent; position: relative; }
  .theme-toggle::after { content: "◐"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--text); }
  .hero { width: min(100% - 1.4rem, 1180px); padding-top: 3.4rem; }
  h1 { font-size: clamp(2.65rem, 15vw, 4rem); }
  .proof-row { grid-template-columns: 1fr; }
  .demo-window { grid-template-columns: 3rem 1fr; min-height: 330px; transform: none; }
  .demo-rail { padding-inline: .45rem; }
  .demo-logo { width: 2rem; height: 2rem; }
  .demo-main { padding: .8rem; }
  .demo-grid { grid-template-columns: 1fr; }
  .demo-grid article { min-height: 5.7rem; }
  .demo-grid article:nth-child(3) { display: none; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .footer-status { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .demo-window { transform: none; }
}

.page-hero { padding-block: clamp(4.5rem, 10vw, 9rem) clamp(3rem, 7vw, 6rem); }
.page-hero h1 { max-width: 13ch; font-size: clamp(2.8rem, 6vw, 6rem); }
.page-hero .lead { max-width: 52rem; }
.content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; padding-top: 0; }
.content-grid article { min-height: 14rem; padding: clamp(1.3rem, 3vw, 2.2rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); }
.content-grid h2 { font-size: clamp(1.55rem, 2.6vw, 2.4rem); }
.content-grid p, .content-grid li { color: var(--muted); }
.callout { padding: clamp(1.3rem, 3vw, 2.2rem); border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(135deg, var(--surface), transparent); }
.callout p { color: var(--muted); }
.callout a { color: var(--brand); font-weight: 800; }
.media-panel { padding-top: 1rem; }
.media-panel figure { margin: 2.5rem 0 0; overflow: hidden; border: 1px solid var(--line); border-radius: 1.2rem; background: #08111d; box-shadow: var(--shadow); }
.media-panel img { display: block; width: 100%; height: auto; }
.media-panel figcaption { padding: .8rem 1rem; color: var(--muted); font-size: .82rem; }
.table-wrap { padding-top: 0; overflow-x: auto; }
.table-wrap > h2 { margin-bottom: 2rem; }
table { width: 100%; border-collapse: collapse; min-width: 720px; border: 1px solid var(--line); background: var(--surface); }
caption { padding: .9rem; color: var(--muted); text-align: left; }
th, td { padding: 1rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--bg-soft); }
tbody td:last-child { color: var(--muted); }
.security-chain { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem; }
.security-chain ol { display: grid; gap: .8rem; margin: 0; padding: 0; list-style: none; counter-reset: layer; }
.security-chain li { counter-increment: layer; display: grid; grid-template-columns: 3rem 1fr; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); }
.security-chain li::before { content: counter(layer, decimal-leading-zero); grid-row: 1 / 3; color: var(--brand); font-size: .8rem; font-weight: 900; }
.security-chain li span { color: var(--muted); }
.security-chain .fine-print { grid-column: 2; }
.fine-print { color: var(--muted); font-size: .84rem; }
.release-state { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; padding-top: 0; }
.release-card, .release-state aside { padding: clamp(1.4rem, 3.2vw, 2.6rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); }
.release-card h2, .release-state aside h2 { margin-top: 1rem; font-size: clamp(1.7rem, 3vw, 3rem); }
.release-card p, .release-state aside p, .plain-list { color: var(--muted); }
.release-card button { min-height: 3rem; margin-top: 1rem; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--bg-soft); color: var(--muted); font: inherit; font-weight: 800; cursor: not-allowed; }
.plain-list { padding-left: 1.2rem; }
.plain-list li { margin-block: .6rem; }
.faq-list { display: grid; gap: .8rem; max-width: 900px; padding-top: 0; }
.faq-list details { border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); }
.faq-list summary { min-height: 3.5rem; display: flex; align-items: center; padding: .85rem 1rem; cursor: pointer; font-weight: 800; }
.faq-list details p { margin: 0; padding: 0 1rem 1rem; color: var(--muted); }
.contact-status { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; padding-top: 0; }
.contact-status article { padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); }
.contact-status h2 { margin-top: 1rem; font-size: 1.55rem; }
.contact-status p { color: var(--muted); }
.legal-hero .lead { padding: 1rem; border-left: 3px solid var(--accent); background: var(--surface); }
.legal-copy { max-width: 850px; padding-top: 0; }
.legal-copy h2 { margin-top: 3rem; font-size: 1.65rem; letter-spacing: -.02em; }
.legal-copy p { color: var(--muted); }
.timeline-list { display: grid; gap: 1rem; padding-top: 0; }
.timeline-list article { display: grid; grid-template-columns: 10rem 1fr; gap: 1rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); }
.timeline-list time { color: var(--brand); font-weight: 800; }
.release-hash { display: block; overflow-wrap: anywhere; white-space: normal; font-size: 14px; }
.timeline-list h2 { margin-top: .8rem; font-size: 1.75rem; }
.timeline-list p { color: var(--muted); }
.error-page { min-height: 70vh; display: grid; align-content: center; justify-items: start; padding-block: 5rem; }
.error-page .error-code { margin: 0; color: var(--line); font-size: clamp(7rem, 24vw, 18rem); font-weight: 900; line-height: .8; letter-spacing: -.08em; }
.error-page h1 { max-width: 12ch; font-size: clamp(2.5rem, 6vw, 5rem); }

@media (max-width: 760px) {
  .content-grid, .security-chain, .release-state, .contact-status { grid-template-columns: 1fr; }
  .security-chain .fine-print { grid-column: 1; }
  .timeline-list article { grid-template-columns: 1fr; }
}