:root {
  --ink: #111827;
  --muted: #5b6472;
  --line: #e6e8ec;
  --paper: #f6f7f9;
  --navy: #0b1220;
  --violet: #5b4b8a;
  --violet-soft: #eeeaf8;
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.site-header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand img { border-radius: 12px; }
.site-header nav { display: flex; gap: 22px; color: var(--muted); font-size: 14px; font-weight: 600; }
.site-header nav a:hover { color: var(--ink); }
main { overflow: hidden; }
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 96px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 54px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--violet);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: inherit; letter-spacing: -.045em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(42px, 6vw, 68px); font-weight: 850; }
h1 em { color: var(--violet); font-style: normal; }
.lead { max-width: 560px; color: var(--muted); font-size: 18px; margin: 24px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 750;
  border: 1px solid transparent;
}
.button.primary { background: var(--navy); color: #fff; box-shadow: 0 8px 18px rgba(11,18,32,.15); }
.button.primary:hover { background: #202b40; }
.button.ghost { border-color: var(--line); background: #fff; color: var(--ink); }
.button.disabled { background: #e9ebef; color: #78808d; cursor: default; }
.fineprint { margin: 18px 0 0; color: #8a929e; font-size: 12px; }
.hero-art { position: relative; min-height: 470px; display: grid; place-items: center; }
.glow {
  position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(91,75,138,.22), rgba(91,75,138,0) 68%);
  filter: blur(10px);
}
.phone-shot {
  position: relative; width: min(300px, 82%);
  border-radius: 34px;
  box-shadow: 0 28px 60px rgba(17,24,39,.20), 0 4px 10px rgba(17,24,39,.10);
  border: 8px solid #111827;
  background: #111827;
}
.features, .download, .note { max-width: 1120px; margin: 0 auto; padding: 0 24px 88px; }
.section-heading { max-width: 620px; margin-bottom: 32px; }
h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 820; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-grid article {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; min-height: 188px;
}
.feature-grid .icon {
  display: grid; place-items: center; width: 36px; height: 36px;
  border-radius: 12px; background: var(--violet-soft); color: var(--violet);
  font-size: 18px; margin-bottom: 18px;
}
.feature-grid h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.download {
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
  background: var(--navy); color: #fff; border-radius: 28px; padding: 38px;
}
.download .eyebrow { color: #b9a9e8; }
.download h2 { color: #fff; }
.download p { color: #c8cfdd; max-width: 560px; margin: 14px 0 0; }
.download-actions { display: flex; flex-direction: column; gap: 10px; min-width: 210px; }
.download .button.primary { background: #fff; color: var(--navy); }
.download .button.disabled { background: rgba(255,255,255,.10); color: #b8c0cf; }
.note { padding-top: 0; max-width: 860px; color: var(--muted); }
.note h3 { color: var(--ink); font-size: 18px; margin-bottom: 6px; }
.note p { margin: 0; font-size: 14px; }
.site-footer {
  max-width: 1120px; margin: 0 auto; padding: 28px 24px 46px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  border-top: 1px solid var(--line); color: #8a929e; font-size: 12px;
}
.brand.small { color: var(--ink); font-size: 13px; }
.brand.small img { border-radius: 9px; }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a:hover { color: var(--ink); }
.legal { max-width: 800px; margin: 0 auto; padding: 40px 24px 90px; }
.legal h1 { font-size: clamp(34px, 5vw, 52px); }
.legal h2 { font-size: 23px; margin-top: 34px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; }
.legal .updated { color: #8a929e; font-size: 13px; }
.legal a { color: var(--violet); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 820px) {
  .site-header nav { gap: 14px; }
  .hero { grid-template-columns: 1fr; padding-top: 24px; gap: 20px; }
  .hero-art { min-height: 360px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .download { flex-direction: column; align-items: flex-start; padding: 28px; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .site-header nav a:nth-child(2) { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding-bottom: 62px; }
}