:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: rgba(16, 21, 35, 0.78);
  --panel-solid: #101522;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f6f7fb;
  --muted: #9da8bc;
  --blue: #6c8cff;
  --cyan: #59d7ff;
  --violet: #9f7cff;
  --green: #55dfa6;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -10%, rgba(84, 104, 238, 0.13), transparent 33rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }
.ambient { position: fixed; border-radius: 50%; filter: blur(100px); opacity: .16; pointer-events: none; z-index: -1; }
.ambient-one { width: 26rem; height: 26rem; background: #5e78ff; top: 23rem; left: -16rem; }
.ambient-two { width: 30rem; height: 30rem; background: #723cff; top: 70rem; right: -20rem; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 720; letter-spacing: -.02em; }
.brand img { display: block; border-radius: 10px; }
nav { display: flex; gap: 34px; color: var(--muted); font-size: 14px; }
nav a, .header-cta { transition: color .2s ease, border-color .2s ease, background .2s ease; }
nav a:hover { color: white; }
.header-cta { padding: 10px 17px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; background: rgba(255,255,255,.035); }
.header-cta:hover { border-color: rgba(108,140,255,.58); background: rgba(108,140,255,.09); }

.hero { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 92px 0 88px; text-align: center; }
.release-pill { display: inline-flex; gap: 9px; align-items: center; padding: 8px 13px; border: 1px solid rgba(108,140,255,.28); border-radius: 999px; background: rgba(108,140,255,.08); color: #c9d2ff; font-size: 13px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }
.hero-kicker { margin: 29px 0 14px; color: #7185dd; font-size: 10px; font-weight: 760; letter-spacing: .22em; }
.hero h1 { margin: 0 0 22px; font-size: clamp(48px, 7.2vw, 88px); line-height: .99; letter-spacing: -.07em; font-weight: 760; }
.hero h1 span { display: inline-block; margin-top: 9px; color: transparent; background: linear-gradient(100deg, #f2f4ff 10%, #91a4ff 55%, #7de4ff); background-clip: text; -webkit-background-clip: text; }
.hero-copy { width: min(690px, 100%); margin: 0 auto; color: #aeb8cb; font-size: clamp(16px, 2vw, 20px); line-height: 1.8; }
.hero-actions { margin-top: 31px; display: flex; justify-content: center; gap: 12px; }
.button { min-height: 50px; padding: 0 21px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; font-size: 15px; font-weight: 650; }
.button-primary { color: #070a12; background: linear-gradient(120deg, #f6f8ff, #b8c7ff); box-shadow: 0 12px 38px rgba(117,145,255,.2); }
.button-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 45px rgba(117,145,255,.28); }
.button-ghost { border: 1px solid var(--line); background: rgba(255,255,255,.035); }
.button-ghost:hover { background: rgba(255,255,255,.07); }
.hero-meta { color: #6f7c91; font-size: 12px; margin: 18px 0 0; letter-spacing: .05em; }

.product-window { width: min(1000px, 100%); margin: 74px auto 0; text-align: left; border: 1px solid rgba(255,255,255,.14); border-radius: 19px; overflow: hidden; background: #0d111c; box-shadow: var(--shadow), 0 0 80px rgba(77,104,255,.1); }
.window-topbar { height: 54px; padding: 0 18px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; border-bottom: 1px solid var(--line); background: #121724; }
.traffic-lights { display: flex; gap: 7px; }
.traffic-lights i { width: 10px; height: 10px; border-radius: 50%; background: #394155; }
.traffic-lights i:first-child { background: #ff6464; }.traffic-lights i:nth-child(2) { background: #f6c757; }.traffic-lights i:last-child { background: #57cf7d; }
.window-title { justify-self: center; display: flex; align-items: center; gap: 8px; font-weight: 620; font-size: 13px; color: #d6dbea; }
.window-title img { width: 22px; height: 22px; border-radius: 6px; }
.connection { justify-self: end; font-size: 11px; color: #77849a; }.connection span { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--green); }
.window-body { height: 530px; display: grid; grid-template-columns: 210px 1fr; }
.window-body aside { border-right: 1px solid var(--line); padding: 20px 15px; background: #0b0f19; }
.new-analysis { border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; font-size: 12px; color: #d8deeb; }
.side-label { margin: 27px 10px 9px; color: #657087; text-transform: uppercase; font-size: 9px; letter-spacing: .16em; }
.side-item { padding: 10px; border-radius: 8px; color: #778398; font-size: 11px; margin: 2px 0; }.side-item.active { color: #dce2f0; background: #151b29; }
.conversation { padding: 43px clamp(28px, 6vw, 72px); background-image: radial-gradient(circle at 50% 10%, rgba(108,140,255,.07), transparent 25rem); }
.user-message { width: fit-content; max-width: 72%; margin-left: auto; padding: 13px 17px; color: #d9deeb; background: #1d2638; border: 1px solid rgba(255,255,255,.08); border-radius: 14px 14px 3px 14px; font-size: 12px; }
.evidence-progress { margin: 30px 0 14px; display: flex; align-items: center; gap: 7px; color: #7b879b; font-size: 9px; white-space: nowrap; }
.evidence-progress span { display: inline-flex; align-items: center; gap: 5px; }
.evidence-progress span::before { content: ""; width: 6px; height: 6px; border: 1px solid #65728a; border-radius: 50%; }
.evidence-progress span.done { color: #a8b3c7; }
.evidence-progress span.done::before { border-color: var(--green); background: var(--green); box-shadow: 0 0 10px rgba(85,223,166,.42); }
.evidence-progress i { flex: 1; height: 1px; background: rgba(255,255,255,.09); }
.answer-card { border: 1px solid var(--line); border-radius: 15px; background: rgba(17,23,37,.8); padding: 21px 22px; box-shadow: 0 18px 50px rgba(0,0,0,.2); }
.answer-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; }.answer-head small { color: #77849b; display: block; margin-bottom: 7px; font-size: 10px; }.answer-head strong { font-size: 18px; letter-spacing: -.025em; }.trust { flex: none; color: var(--green); font-size: 9px; background: rgba(85,223,166,.09); border: 1px solid rgba(85,223,166,.17); border-radius: 99px; padding: 6px 9px; }
.evidence-list { margin: 18px 0 14px; border-top: 1px solid var(--line); }
.evidence-list > div { display: grid; grid-template-columns: 42px 1fr; gap: 10px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.evidence-list span { width: fit-content; color: #a9b8f7; font-size: 9px; font-weight: 700; }
.evidence-list p { color: #929eb2; font-size: 10px; line-height: 1.55; margin: 0; }
.next-check { padding: 9px 11px; border-radius: 8px; background: rgba(108,140,255,.07); color: #8f9db4; font-size: 10px; }
.next-check b { margin-right: 7px; color: #d7deec; }

.section { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 104px 0; }
.section-heading { max-width: 680px; margin-bottom: 46px; }.section-heading .eyebrow, .eyebrow { color: #8297f4; font-size: 12px; text-transform: uppercase; letter-spacing: .15em; font-weight: 700; }
.section-heading h2, .install h2, .security-note h2 { margin: 11px 0 15px; font-size: clamp(34px, 4.5vw, 53px); line-height: 1.08; letter-spacing: -.055em; }
.section-heading > p:last-child, .install-copy > p:last-child, .security-note p { color: var(--muted); line-height: 1.75; font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-grid article { min-height: 245px; padding: 25px; border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.016)); }
.feature-icon { width: 42px; height: 42px; margin-bottom: 56px; display: grid; place-items: center; border: 1px solid rgba(123,147,255,.25); border-radius: 11px; color: #aebcff; background: rgba(108,140,255,.09); font-size: 20px; }
.feature-grid h3 { font-size: 17px; margin: 0 0 10px; }.feature-grid p { color: #8995a9; font-size: 13px; line-height: 1.75; margin: 0; }

.evidence-section { padding-top: 122px; }
.workflow { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow article { position: relative; min-height: 265px; padding: 30px 24px 26px; border-right: 1px solid var(--line); }
.workflow article:last-child { border-right: 0; }
.workflow article::after { content: "→"; position: absolute; top: 27px; right: -9px; z-index: 1; width: 18px; color: #536078; background: var(--bg); text-align: center; font-size: 12px; }
.workflow article:last-child::after { display: none; }
.workflow article > span { color: #7085df; font-size: 10px; letter-spacing: .12em; }
.workflow h3 { margin: 87px 0 10px; font-size: 16px; }
.workflow p { margin: 0; color: #7e8ba0; font-size: 12px; line-height: 1.7; }

.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .72fr; gap: 90px; align-items: end; }
.split-heading h2 { margin-bottom: 0; }
.split-heading > p { margin: 0 0 5px; }
.architecture-stack { display: grid; gap: 10px; }
.architecture-stack article { position: relative; display: grid; grid-template-columns: 54px 240px 1fr auto; align-items: center; min-height: 92px; padding: 17px 23px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.018); }
.architecture-stack article.highlight { border-color: rgba(112,137,248,.35); background: linear-gradient(90deg, rgba(90,111,211,.12), rgba(255,255,255,.018)); box-shadow: 0 20px 60px rgba(0,0,0,.12); }
.architecture-stack article > span { color: #6272a8; font-size: 11px; }
.architecture-stack small { color: #61708a; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.architecture-stack h3 { margin: 4px 0 0; font-size: 17px; }
.architecture-stack p { margin: 0; color: #8793a7; font-size: 12px; line-height: 1.65; }
.architecture-stack em { padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; color: #78859b; font-size: 9px; font-style: normal; }

.principles { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.principle-lead h2 { margin: 11px 0 0; font-size: clamp(34px, 4.2vw, 51px); line-height: 1.1; letter-spacing: -.055em; }
.principle-grid { display: grid; gap: 12px; }
.principle-grid article { display: grid; grid-template-columns: 38px 190px 1fr; gap: 13px; align-items: center; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.02); }
.principle-grid article > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; color: #9eb0ff; background: rgba(108,140,255,.09); }
.principle-grid h3 { margin: 0; font-size: 14px; }
.principle-grid p { margin: 0; color: #7e8ba0; font-size: 11px; line-height: 1.65; }

.download-section { width: min(1000px, calc(100% - 40px)); }
.download-section .section-heading { text-align: center; margin: 0 auto 46px; }
.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.download-card { position: relative; padding: 31px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); box-shadow: 0 22px 70px rgba(0,0,0,.18); overflow: hidden; }
.download-card.recommended { border-color: rgba(115,142,255,.32); background: linear-gradient(145deg, rgba(35,43,74,.86), rgba(14,19,31,.9)); }
.download-card.recommended::before { content: ""; position: absolute; width: 190px; height: 190px; border-radius: 50%; top: -120px; right: -80px; background: #6383ff; filter: blur(45px); opacity: .18; }
.card-badge { position: absolute; top: 28px; right: 28px; padding: 6px 9px; border: 1px solid rgba(85,223,166,.22); border-radius: 999px; background: rgba(85,223,166,.08); color: #83efbd; font-size: 10px; }.card-badge.secondary { color: #98a4b8; background: rgba(255,255,255,.04); border-color: var(--line); }
.platform-icon { width: 50px; height: 50px; margin-bottom: 26px; display: grid; place-items: center; border-radius: 14px; background: rgba(255,255,255,.065); border: 1px solid var(--line); }
.platform-icon.apple { color: #ecf0f9; font-size: 28px; box-shadow: inset 0 0 0 11px #d9deea; }
.platform-icon.windows { grid-template-columns: 1fr 1fr; gap: 3px; padding: 13px; }.platform-icon.windows i { width: 10px; height: 10px; background: #8b9ab2; }
.download-card h3 { margin: 0 0 5px; font-size: 27px; letter-spacing: -.035em; }.download-card > div > p { color: var(--muted); font-size: 13px; margin: 0; }
.download-card dl { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 15px 0; margin: 26px 0 20px; }.download-card dl div { display: flex; justify-content: space-between; margin: 10px 0; font-size: 12px; }.download-card dt { color: #6f7c91; }.download-card dd { margin: 0; color: #b6c0d0; }
.download-button { width: 100%; min-height: 49px; padding: 0 16px; display: flex; justify-content: center; align-items: center; gap: 18px; border: 0; border-radius: 11px; background: #f1f4ff; color: #0a0d14; font-weight: 700; font-size: 14px; cursor: pointer; transition: transform .2s, box-shadow .2s; }.download-button:hover { transform: translateY(-1px); box-shadow: 0 13px 35px rgba(119,145,255,.18); }.download-button.disabled { background: #202634; color: #7b879b; cursor: not-allowed; }.download-button.disabled:hover { transform: none; box-shadow: none; }
.checksum { width: 100%; margin-top: 14px; border: 0; background: transparent; color: #68758b; font-size: 10px; cursor: pointer; }.checksum span { margin-left: 6px; color: #9eabc0; }.muted-note { text-align: center; color: #68758b !important; font-size: 10px !important; margin-top: 14px !important; }

.install { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: center; }
.steps { list-style: none; padding: 0; margin: 0; }.steps li { padding: 25px 0; display: grid; grid-template-columns: 55px 1fr; gap: 17px; border-bottom: 1px solid var(--line); }.steps li:first-child { border-top: 1px solid var(--line); }.steps li > span { color: #7488df; font-size: 11px; letter-spacing: .1em; padding-top: 3px; }.steps h3 { margin: 0 0 7px; font-size: 16px; }.steps p { color: #818da2; margin: 0; font-size: 13px; }
.security-note { padding: 45px 52px; margin-bottom: 90px; display: grid; grid-template-columns: 70px 1fr; gap: 26px; align-items: center; border: 1px solid rgba(108,140,255,.22); border-radius: 20px; background: linear-gradient(110deg, rgba(102,127,237,.1), rgba(255,255,255,.025)); }.shield { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 17px; color: #b7c3ff; border: 1px solid rgba(115,142,255,.32); background: rgba(108,140,255,.1); font-size: 27px; }.security-note h2 { font-size: 27px; margin: 0 0 8px; }.security-note p { margin: 0; font-size: 13px; }
footer { width: min(1180px, calc(100% - 40px)); min-height: 130px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--line); color: #69758a; font-size: 11px; }footer > p:last-child { justify-self: end; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 25px); padding: 10px 15px; border: 1px solid var(--line); border-radius: 10px; background: #171d2b; color: #dce2ee; box-shadow: 0 15px 50px rgba(0,0,0,.38); font-size: 12px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 850px) {
  nav { display: none; }
  .hero { padding-top: 70px; }
  .window-body { grid-template-columns: 1fr; height: 430px; }.window-body aside { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }.feature-icon { margin-bottom: 35px; }
  .workflow { grid-template-columns: 1fr 1fr; }.workflow article { min-height: 215px; border-bottom: 1px solid var(--line); }.workflow article::after { display: none; }.workflow h3 { margin-top: 54px; }
  .split-heading, .principles { grid-template-columns: 1fr; gap: 38px; }
  .architecture-stack article { grid-template-columns: 44px 190px 1fr; }.architecture-stack em { display: none; }
  .principle-grid article { grid-template-columns: 38px 170px 1fr; }
  .install { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 620px) {
  .site-header, .hero, .section, footer { width: min(100% - 28px, 1120px); }
  .header-cta { display: none; }
  .hero { padding-top: 58px; }.hero-kicker { font-size: 8px; letter-spacing: .1em; }.hero h1 { font-size: 38px; letter-spacing: -.055em; }.hero-copy { max-width: 340px; font-size: 14px; }.hero-actions { flex-direction: column; }.button { width: 100%; }
  .product-window { margin-top: 49px; }.window-topbar { grid-template-columns: 1fr 1fr; }.window-title { justify-self: end; }.connection { display: none; }.window-body { height: 490px; }.conversation { padding: 28px 18px; }.user-message { max-width: 95%; }.evidence-progress { overflow: hidden; }.evidence-progress i { min-width: 5px; }.answer-head { align-items: flex-start; }.answer-head strong { font-size: 15px; }
  .section { padding: 75px 0; }.feature-grid, .download-grid { grid-template-columns: 1fr; }
  .workflow { grid-template-columns: 1fr; }.workflow article { min-height: auto; padding: 23px 20px; border-right: 0; }.workflow h3 { margin: 24px 0 8px; }
  .architecture-stack article { grid-template-columns: 36px 1fr; gap: 9px; padding: 18px; }.architecture-stack article > p { grid-column: 2; }.architecture-stack h3 { font-size: 15px; }
  .principle-grid article { grid-template-columns: 38px 1fr; }.principle-grid article p { grid-column: 2; }
  .feature-grid article { min-height: 210px; }.security-note { padding: 29px 24px; grid-template-columns: 1fr; }.security-note h2 { font-size: 24px; }
  footer { padding: 30px 0; grid-template-columns: 1fr; gap: 13px; text-align: left; }footer > p { margin: 0; }footer > p:last-child { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }