:root {
  color-scheme: dark;
  --bg: #05060a;
  --fg: #eef0f6;
  --muted: #9b9eac;
  --cyan: #69e5f7;
  --purple: #9e96fb;
  --border: #ffffff17;
  --width: 1120px;
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--fg); scroll-padding-top: 86px; }
body { margin: 0; font: 400 16px/1.55 -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "PingFang TC", "Segoe UI", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--fg); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
img, svg { display: block; }
[hidden] { display: none !important; }
.skip { position: fixed; z-index: 30; top: 10px; left: 10px; padding: 9px 14px; border-radius: 10px; background: var(--fg); color: var(--bg); transform: translateY(-150%); }
.skip:focus { transform: none; color: var(--bg); }
.wrap { width: min(var(--width), calc(100% - 40px)); margin-inline: auto; }
.nav { position: fixed; z-index: 20; inset: 16px 12px auto; pointer-events: none; }
.nav-capsule { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 56px; max-width: var(--width); margin: auto; padding: 8px 10px 8px 16px; border: 1px solid var(--border); border-radius: 999px; background: #0b0d15d9; backdrop-filter: blur(20px); pointer-events: auto; }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 10px; font-size: 16px; font-weight: 650; letter-spacing: -.025em; }
.nav-links, .nav-end, .locales { display: flex; align-items: center; }
.nav-links { gap: 28px; }
.nav-links a, .locales a, .foot { color: var(--muted); font-size: 14px; }
.nav-end { justify-content: end; gap: 10px; }
.locales { gap: 2px; }
.locales a { display: grid; min-width: 29px; min-height: 28px; place-items: center; padding: 0 6px; border-radius: 999px; font-size: 12px; }
.locales a[aria-current] { background: #ffffff13; color: var(--fg); }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 8px; border-radius: 999px; background: var(--fg); color: #080b13; font-weight: 600; white-space: nowrap; }
.btn:hover { color: #080b13; background: #fff; }
.btn.tiny { min-height: 32px; padding: 0 14px; font-size: 13px; }
.mobile-menu { display: none; }
.hero, .access { position: relative; isolation: isolate; display: grid; place-items: center; overflow: clip; text-align: center; }
.hero { min-height: 100svh; padding: 108px 20px 72px; background: radial-gradient(ellipse 470px 260px at 53% 46%, #18172e8a, transparent 84%), radial-gradient(ellipse 300px 230px at 42% 51%, #10293080, transparent 88%); }
.field { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-copy { width: min(100%, 1000px); }
.hero h1 { margin: 0; font-size: clamp(58px, 8vw, 120px); font-weight: 680; line-height: 1.025; letter-spacing: -.067em; }
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--cyan); }
.hero p { max-width: 36em; margin: 26px auto 0; color: #afb1c0; font-size: clamp(16px, 2vw, 20px); text-wrap: balance; }
.primary { min-height: 49px; margin-top: 33px; padding: 0 21px; font-size: 15px; border: 1px solid #a4dfff; box-shadow: 0 0 28px #6997ff26; }
.primary svg { width: 16px; height: 16px; }
.demo { padding: 24px 0 76px; }
.app-window { min-width: 0; overflow: hidden; border: 1px solid #282c3b; border-radius: 22px; background: #12141d; text-align: start; }
.app-window.overview { box-shadow: 0 0 95px #6264f020; }
.app-top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 49px; padding: 0 17px; background: #181b25; border-bottom: 1px solid var(--border); color: #a9adbc; font-size: 13px; }
.traffic { display: flex; gap: 6px; }
.traffic i { width: 9px; height: 9px; border-radius: 50%; background: #e67774; }
.traffic i:nth-child(2) { background: #e0b25e; }
.traffic i:nth-child(3) { background: #68ba87; }
.example { justify-self: end; font-size: 11px; }
.app-main { display: grid; grid-template-columns: 1.15fr 1fr; }
.app-chat { display: flex; flex-direction: column; min-width: 0; min-height: 360px; padding: 20px clamp(18px, 3vw, 36px); }
.overview .app-chat { min-height: 445px; }
.app-chat-head { display: flex; align-items: center; gap: 9px; font-size: 14px; }
.thread { display: grid; gap: 17px; margin: auto 0; padding: 22px 0; font-size: 14px; }
.app-today { text-align: center; color: #a0a4b7; font-size: 11px; }
.thread p { margin: 0; }
.bubble { justify-self: end; max-width: 95%; padding: 10px 14px; border: 1px solid #34394b; border-radius: 15px 15px 4px 15px; background: #232737; }
.answer { max-width: 37ch; padding-block: 3px; color: #d2d5e4; }
.composer { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 5px 7px 5px 13px; border: 1px solid #353b4c; border-radius: 23px; background: #1a1e2a; color: #a0a4b7; font-size: 12px; }
.composer span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; background: #33394c; color: #c3c9db; }
.composer svg { width: 14px; }
.app-side { min-width: 0; padding: 16px; border-left: 1px solid var(--border); background: #10121a; }
.app-tabs { display: flex; gap: 5px; padding-bottom: 14px; }
.app-tab { display: inline-flex; align-items: center; gap: 5px; padding: 6px 9px; border-radius: 7px; color: #a9adbc; font-size: 12px; white-space: nowrap; }
.app-tab svg { width: 14px; height: 14px; }
.app-tab.current { color: #c4d0fc; background: #222942; }
.demo-rows { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.demo-rows li { display: flex; align-items: center; gap: 11px; min-width: 0; min-height: 64px; padding: 10px 12px; border: 1px solid #2b3040; border-radius: 12px; background: #191d2a; }
.demo-rows li div { display: grid; gap: 2px; }
.row-icon { display: grid; place-items: center; flex: 0 0 30px; height: 30px; border-radius: 8px; color: #b7b6fb; background: #2a2b46; }
.row-icon svg { width: 16px; height: 16px; }
.demo-rows strong { font-size: 13px; font-weight: 600; }
.demo-rows li div span { color: #aab0c3; font-size: 12px; }
.features { --view: min(100svh, 1060px); }
.features-track { display: grid; gap: 80px; }
.feature-panel { display: grid; gap: 25px; width: min(900px, calc(100% - 40px)); margin: auto; }
.feature-copy { text-align: center; }
.feature-copy h2, .privacy h2, .faq h2, .access h2 { margin: 0; font-size: clamp(32px, 4.7vw, 68px); font-weight: 650; letter-spacing: -.05em; line-height: 1.1; text-wrap: balance; }
.feature-copy p, .access p { margin: 13px 0 0; color: var(--muted); text-wrap: balance; }
.scene { --tint: #5ae0fb; display: grid; min-height: 410px; place-items: center; padding: 24px; border: 1px solid #292d3e; border-radius: 22px; background: radial-gradient(ellipse at 50% 28%, color-mix(in srgb, var(--tint) 19%, #0d101a), #10121c 69%); }
.scene-tasks { --tint: #8a80fd; }
.scene-memory { --tint: #6e99fd; }
.scene-card { width: min(100%, 440px); padding: 20px; border: 1px solid #34394a; border-radius: 17px; background: #121521; box-shadow: 0 15px 55px #0005; }
.scene-mark { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 8px; background: #252c43; color: var(--tint); }
.scene-mark svg { width: 18px; height: 18px; }
.scene-card h3 { margin: 9px 0 15px; font-size: 17px; }
.progress { display: none; }
@media (min-width: 900px) and (min-height: 670px) and (prefers-reduced-motion: no-preference) {
  .has-pan .features { height: calc(var(--view) * 3.5); }
  .has-pan .features-pin { position: sticky; top: 0; display: grid; align-content: center; gap: 22px; height: var(--view); padding-top: 65px; overflow: clip; }
  .has-pan .features-track { display: flex; gap: 0; transform: translateX(var(--offset, 0px)); }
  .has-pan .feature-panel { flex: 0 0 100%; margin: 0; padding-inline: max(24px, calc((100% - 900px) / 2)); }
  .has-pan .feature-copy h2 { font-size: clamp(32px, 4vw, 58px); }
  .has-pan .progress { display: flex; justify-content: center; gap: 7px; }
  .progress i { width: 20px; height: 3px; border-radius: 3px; background: #313442; }
  .progress i.active { background: var(--cyan); }
}
.privacy { padding-block: 120px 68px; }
.privacy h2, .faq h2 { font-size: clamp(30px, 4.5vw, 56px); }
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.privacy-grid article { min-width: 0; padding: clamp(21px, 3vw, 34px); border: 1px solid var(--border); border-radius: 20px; background: radial-gradient(ellipse at top left, #171c2a, #0d0f17 65%); }
.privacy-grid svg { width: 25px; height: 25px; color: var(--cyan); }
.privacy-grid h3 { margin: 17px 0 7px; font-size: 19px; }
.privacy-grid p { margin: 0; color: var(--muted); }
.faq { display: grid; grid-template-columns: 1fr 1.65fr; gap: 45px; padding-block: 68px 105px; }
.questions { border-top: 1px solid var(--border); }
.questions details { border-bottom: 1px solid var(--border); }
.questions summary { display: flex; justify-content: space-between; gap: 15px; padding: 17px 0; cursor: pointer; list-style: none; font-weight: 550; }
summary::-webkit-details-marker { display: none; }
.questions summary::after { content: "+"; flex: 0 0 18px; color: var(--cyan); text-align: center; }
.questions details[open] summary::after { content: "−"; }
.questions p { margin: 0 0 19px; color: var(--muted); }
.access { min-height: 420px; padding: 65px 20px; border-block: 1px solid var(--border); background: radial-gradient(ellipse 450px 215px at 50% 50%, #141f36a6, transparent 86%); }
.access img { margin: 0 auto 19px; filter: drop-shadow(0 6px 28px #4dd3f94a); }
.access h2 { font-size: clamp(38px, 6vw, 72px); }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 26px; }
@media (max-width: 760px) {
  .nav { top: 11px; }
  .nav-capsule { display: flex; min-height: 52px; justify-content: space-between; padding: 6px 8px 6px 13px; }
  .nav-links, .nav-end > .locales { display: none; }
  .nav-end { gap: 4px; }
  .mobile-menu { display: block; }
  .mobile-menu summary { display: grid; align-content: center; justify-items: center; gap: 4px; width: 38px; height: 36px; border-radius: 999px; list-style: none; cursor: pointer; }
  .mobile-menu summary span { width: 15px; height: 1px; background: var(--fg); }
  .mobile-menu[open] summary { background: #ffffff14; }
  .mobile-panel { position: absolute; inset: calc(100% + 7px) 0 auto; padding: 11px; border: 1px solid var(--border); border-radius: 16px; background: #10131dfa; }
  .mobile-panel nav:first-child { display: grid; }
  .mobile-panel nav:first-child a { padding: 9px; }
  .mobile-panel .locales { margin: 6px 8px 3px; }
  .hero { padding: 95px 17px 65px; }
  .hero h1 { font-size: clamp(47px, 11.5vw, 80px); }
  .wrap, .feature-panel { width: calc(100% - 28px); }
  .demo { padding-block: 10px 65px; }
  .app-main { grid-template-columns: 1fr; }
  .app-chat, .overview .app-chat { min-height: 265px; }
  .app-side { border-left: 0; border-top: 1px solid var(--border); }
  .scene { min-height: 325px; padding: 16px; }
  .scene-card { padding: 13px; }
  .features-track { gap: 63px; }
  .privacy { padding-block: 85px 54px; }
  .privacy-grid, .faq { grid-template-columns: 1fr; }
  .faq { gap: 24px; padding-block: 39px 80px; }
  .access { min-height: 350px; }
  .foot { gap: 7px; font-size: 12px; }
}
.scene-chat { --tint: #8791ff; }
.scene-chat .app-chat { width: min(100%, 530px); min-height: 340px; padding: 20px; border: 1px solid #34394a; border-radius: 17px; background: #121521; box-shadow: 0 15px 55px #0005; }
@media (max-width: 760px) {
  .scene-chat .app-chat { min-height: 280px; }
  .app-tab { padding-inline: 6px; }
}