:root {
  color-scheme: light;
  --ink: #121722;
  --muted: #667085;
  --line: rgba(18, 23, 34, .1);
  --paper: #f7f9fc;
  --blue: #3f70ff;
  --blue-dark: #2449b8;
  --safe: #36a269;
  --watch: #e8902f;
  --warning: #df4b4b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 18px;
  width: min(920px, calc(100% - 32px));
  margin: 18px auto -76px;
  padding: 8px 10px 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  box-shadow: 0 14px 40px rgba(37, 59, 98, .08);
  backdrop-filter: blur(20px) saturate(160%);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; }
.brand img { border-radius: 9px; }
nav { display: flex; align-items: center; gap: 6px; }
nav a { padding: 10px 13px; color: #4c566a; font-size: 14px; text-decoration: none; border-radius: 12px; }
nav a:hover { background: rgba(17,24,39,.05); color: var(--ink); }
.nav-download { background: var(--ink); color: white !important; }

.hero {
  min-height: 880px;
  padding: 174px max(28px, calc((100vw - 1160px)/2)) 90px;
  display: grid;
  grid-template-columns: 1fr .95fr;
  align-items: center;
  gap: 68px;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 26%, rgba(90,151,255,.33), transparent 30%),
    radial-gradient(circle at 9% 88%, rgba(136,211,255,.25), transparent 34%),
    linear-gradient(160deg, #f8fbff 4%, #e9f0fd 50%, #eef8ff 100%);
}
.hero-copy { max-width: 620px; }
.eyebrow { margin: 0 0 18px; color: var(--blue-dark); font-size: 13px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(58px, 7vw, 98px); line-height: .98; letter-spacing: -.065em; }
h1 span { color: var(--blue); }
.hero-lede { max-width: 570px; margin: 34px 0 28px; color: #445069; font-size: 20px; line-height: 1.72; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { min-height: 50px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 15px; font: inherit; font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; }
.button.primary { color: #fff; background: var(--ink); box-shadow: 0 14px 30px rgba(18, 23, 34, .17); }
.button.primary:hover { transform: translateY(-1px); }
.button.ghost { border: 1px solid var(--line); background: rgba(255,255,255,.62); }
.button.disabled { opacity: .48; cursor: not-allowed; box-shadow: none; }
.compatibility { margin: 17px 0 0; color: #758096; font-size: 13px; }

.product-stage { position: relative; width: min(560px, 100%); min-height: 570px; justify-self: center; border-radius: 34px; overflow: hidden; background: linear-gradient(140deg, #dfe9f7, #98b6da 55%, #758fb5); box-shadow: 0 45px 100px rgba(37, 60, 102, .25); }
.product-stage::after { content: ""; position: absolute; inset: 35% -20% -30% 36%; background: radial-gradient(circle, rgba(255,255,255,.8), transparent 58%); transform: rotate(-20deg); }
.menu-strip { position: relative; z-index: 2; height: 36px; padding: 0 15px; display: flex; align-items: center; gap: 13px; color: rgba(18,23,34,.72); background: rgba(255,255,255,.6); backdrop-filter: blur(20px); font-size: 12px; }
.menu-spacer { flex: 1; }
.menu-kale { font-weight: 800; letter-spacing: -.04em; transition: color .4s ease; }
.popover { position: relative; z-index: 3; width: 350px; margin: 38px 28px 60px auto; padding: 20px; border: 1px solid rgba(255,255,255,.8); border-radius: 24px; background: rgba(249,250,252,.92); box-shadow: 0 28px 70px rgba(24,37,61,.25); backdrop-filter: blur(30px); transition: transform .45s ease, box-shadow .45s ease; }
.popover.is-changing { transform: translateY(-3px) scale(.995); box-shadow: 0 35px 80px rgba(24,37,61,.3); }
.popover-head { display: flex; align-items: center; justify-content: space-between; }
.mini-label { margin: 0 0 5px; color: #7d8797; font-size: 11px; font-weight: 700; }
.popover h2 { margin: 0; font-size: 27px; letter-spacing: -.045em; }
.status-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--safe); box-shadow: 0 0 0 6px rgba(54,162,105,.12); transition: all .35s; }
.status-copy { min-height: 43px; margin: 11px 0 16px; color: #616d81; font-size: 13px; line-height: 1.6; }
.evidence { padding: 13px 14px; display: flex; justify-content: space-between; border: 1px solid var(--line); border-radius: 13px; background: white; font-size: 13px; }
.evidence strong { color: var(--safe); }
.top-apps { margin-top: 11px; padding: 12px 14px 5px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.section-label, .app-row { display: flex; align-items: center; justify-content: space-between; }
.section-label { padding-bottom: 7px; color: #8a93a2; font-size: 10px; }
.app-row { padding: 9px 0; border-top: 1px solid #edf0f5; font-size: 12px; }
.app-row b { display: inline-flex; width: 20px; color: #a3aab6; font-weight: 600; }
.advice { margin-top: 11px; padding: 11px 12px; border-radius: 11px; color: #2d6848; background: #e8f5ee; font-size: 11px; line-height: 1.5; transition: color .35s, background .35s; }
.demo-controls { margin-top: 13px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.demo-controls button { padding: 7px 0; border: 0; border-radius: 8px; color: #788294; background: #edf0f5; font-size: 11px; cursor: pointer; }
.demo-controls button[aria-pressed="true"] { color: white; background: var(--ink); }
.demo-note { position: absolute; z-index: 4; right: 28px; bottom: 22px; margin: 0; color: rgba(255,255,255,.85); font-size: 11px; }

.answer-strip { max-width: 1180px; margin: -44px auto 0; position: relative; z-index: 5; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid rgba(255,255,255,.8); border-radius: 24px; background: rgba(255,255,255,.92); box-shadow: 0 25px 65px rgba(30,49,84,.1); overflow: hidden; }
.answer-strip article { min-height: 220px; padding: 36px; }
.answer-strip article + article { border-left: 1px solid var(--line); }
.answer-strip span, .feature-index { color: #8a95a8; font-size: 11px; font-weight: 750; letter-spacing: .08em; }
.answer-strip h2 { margin: 38px 0 10px; font-size: 24px; letter-spacing: -.035em; }
.answer-strip p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.story { max-width: 1180px; margin: 0 auto; padding: 150px 0; }
.story-intro { display: grid; grid-template-columns: .7fr 1.5fr; gap: 80px; align-items: start; margin-bottom: 55px; }
.story-intro h2, .privacy-copy h2, .faq h2, .download-section h2 { margin: 0; font-size: clamp(38px, 5vw, 66px); line-height: 1.08; letter-spacing: -.055em; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature { min-height: 430px; padding: 42px; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; }
.feature h3 { max-width: 420px; margin: 84px 0 14px; font-size: 36px; line-height: 1.1; letter-spacing: -.045em; }
.feature p:not(.feature-index) { max-width: 490px; color: #677287; font-size: 16px; line-height: 1.75; }
.feature-dark { color: white; border: 0; background: #151b28; }
.feature-dark p:not(.feature-index) { color: #aeb7c8; }
.feature-light { background: #fff; }
.feature-wide { min-height: 330px; grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; align-items: end; background: linear-gradient(145deg, #e9f0ff, #f9fbff); }
.feature-wide h3 { margin-top: 70px; }
.signal-line { margin-top: 60px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; align-items: end; }
.signal-line i { height: 24px; border-radius: 8px; background: #2b3344; }
.signal-line i:nth-child(2) { height: 35px; }.signal-line i:nth-child(3) { height: 49px; }.signal-line i:nth-child(4) { height: 63px; }.signal-line i:nth-child(5) { height: 82px; }
.signal-line i.active { background: var(--watch); }.signal-line i.warning { background: var(--warning); }
.plain-advice { margin-top: 68px; padding: 20px; border-radius: 17px; color: #574927; background: #fff2cc; font-size: 15px; line-height: 1.6; }
.guardrails { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.guardrails span { padding: 18px; border: 1px solid rgba(63,112,255,.15); border-radius: 14px; background: rgba(255,255,255,.7); font-size: 14px; font-weight: 650; }

.privacy-section { padding: 120px max(28px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; align-items: center; color: white; background: #111722; }
.privacy-copy .eyebrow { color: #8fb0ff; }
.privacy-copy p:not(.eyebrow) { max-width: 660px; margin: 30px 0; color: #b4bdcb; font-size: 17px; line-height: 1.8; }
.text-link { color: white; font-weight: 700; text-underline-offset: 6px; }
.privacy-card { border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: rgba(255,255,255,.05); overflow: hidden; }
.privacy-card div { padding: 24px 26px; display: flex; justify-content: space-between; align-items: center; }
.privacy-card div + div { border-top: 1px solid rgba(255,255,255,.1); }
.privacy-card span { color: #aab4c4; font-size: 14px; }.privacy-card strong { font-size: 20px; }

.faq { max-width: 1180px; margin: 0 auto; padding: 140px 0; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 25px 8px; font-size: 17px; font-weight: 700; cursor: pointer; }
details p { margin: -8px 8px 25px; color: var(--muted); line-height: 1.75; }

.download-section { padding: 120px 28px 130px; text-align: center; background: linear-gradient(150deg, #eaf1ff, #f8fbff 56%, #e8f6ff); }
.download-section img { border-radius: 24px; box-shadow: 0 22px 45px rgba(39,73,135,.18); }
.download-section .eyebrow { margin-top: 30px; }
.download-section h2 { max-width: 880px; margin: 0 auto; }
.download-section > p:not(.eyebrow) { max-width: 660px; margin: 26px auto 28px; color: var(--muted); font-size: 17px; line-height: 1.75; }
.download-links { margin-top: 24px; display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.download-links a { color: #59667c; font-size: 14px; text-underline-offset: 5px; }

footer { max-width: 1180px; margin: 0 auto; padding: 45px 0; display: grid; grid-template-columns: 1fr auto auto; gap: 34px; align-items: center; color: #778195; font-size: 13px; }
.footer-brand { color: var(--ink); }

.page-shell { min-height: 100vh; padding: 145px max(24px, calc((100vw - 920px)/2)) 80px; background: linear-gradient(160deg, #f7faff, #edf3ff); }
.page-shell h1 { max-width: 840px; font-size: clamp(48px, 7vw, 78px); }
.page-intro { max-width: 720px; margin: 28px 0 60px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.content-card { margin: 18px 0; padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.84); }
.content-card h2 { margin: 0 0 20px; font-size: 28px; letter-spacing: -.035em; }
.content-card p, .content-card li { color: #58647a; line-height: 1.8; }
.step-list { counter-reset: steps; list-style: none; padding: 0; }
.step-list li { counter-increment: steps; padding: 18px 0 18px 58px; position: relative; border-top: 1px solid var(--line); }
.step-list li::before { content: counter(steps); position: absolute; left: 0; top: 14px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: white; background: var(--ink); font-weight: 700; }
.status-banner { padding: 20px 22px; border-radius: 16px; color: #6d531b; background: #fff3ca; line-height: 1.7; }

@media (max-width: 900px) {
  .site-header { top: 10px; margin-top: 10px; }
  nav a:not(.nav-download) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 150px; gap: 50px; }
  .hero-copy { text-align: center; margin: auto; }.hero-actions { justify-content: center; }
  .answer-strip, .story-intro, .privacy-section, .faq { grid-template-columns: 1fr; }
  .answer-strip { width: calc(100% - 32px); }.answer-strip article + article { border-left: 0; border-top: 1px solid var(--line); }
  .story, .faq { padding-left: 20px; padding-right: 20px; }
  .story-intro, .privacy-section, .faq { gap: 45px; }
  footer { margin: 0 22px; grid-template-columns: 1fr; gap: 5px; }
}

@media (max-width: 650px) {
  h1 { font-size: 56px; }
  .hero { padding-left: 16px; padding-right: 16px; min-height: 0; }
  .hero-lede { font-size: 18px; }
  .product-stage { min-height: 535px; border-radius: 25px; }
  .popover { width: calc(100% - 28px); margin: 30px 14px 55px; }
  .menu-title { display: none; }
  .story { padding-top: 100px; padding-bottom: 100px; }
  .story-grid { grid-template-columns: 1fr; }
  .feature { min-height: 380px; padding: 28px; }.feature-wide { grid-column: auto; grid-template-columns: 1fr; gap: 35px; }
  .feature h3 { margin-top: 55px; font-size: 31px; }
  .guardrails { grid-template-columns: 1fr; }
  .privacy-section { padding: 90px 22px; }
  .faq { padding-top: 100px; padding-bottom: 100px; }
  .download-section { padding-top: 90px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
