:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080d21;
  color: #f5f7ff;
}

* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at 78% 8%, #17285f 0, #080d21 35rem); }
a { color: inherit; }
.site-header, main, footer { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 88px; }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; }
.brand img { width: 46px; height: 46px; border-radius: 14px; }
.brand span { display: grid; }
.brand strong { font-size: 20px; }
.brand small { color: #9da8c7; }
.ios-link { color: #cbd3ec; text-underline-offset: 4px; }
.hero { min-height: 560px; display: grid; grid-template-columns: 1.3fr .7fr; align-items: center; gap: 72px; padding: 64px 0 88px; }
.eyebrow { color: #7f9cff; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 12px 0 24px; font-size: clamp(52px, 8vw, 94px); line-height: .92; letter-spacing: -.06em; }
h1 span { color: #7f9cff; }
.lead { max-width: 680px; color: #bac3df; font-size: 21px; line-height: 1.55; }
.download { display: inline-flex; margin-top: 20px; padding: 18px 25px; border-radius: 16px; background: #7592ff; color: #08102c; font-size: 18px; font-weight: 850; text-decoration: none; }
.download:hover { background: #91a8ff; }
.release { color: #8f9ab8; font-size: 14px; }
.phone { min-height: 390px; border: 1px solid #405184; border-radius: 48px; display: grid; place-content: center; justify-items: center; gap: 14px; background: linear-gradient(160deg, #1b2850, #0d132b); box-shadow: 0 34px 90px #020612; transform: rotate(3deg); }
.phone img { width: 96px; height: 96px; border-radius: 30px; }
.phone strong { font-size: 30px; }
.phone span { color: #aab5d3; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.content-grid article, .facts, .checksum { border: 1px solid #28345d; border-radius: 24px; background: #0e1530d9; }
.content-grid article { padding: 28px; }
.content-grid h2, .facts h2, .checksum h2 { margin: 8px 0 12px; }
.content-grid p:not(.step), .facts li, .notice p, .checksum p { color: #aeb8d5; line-height: 1.6; }
.step { color: #7f9cff; font-weight: 900; }
.facts { margin-top: 18px; padding: 42px; display: grid; grid-template-columns: 1fr .8fr; gap: 42px; }
.facts ul { margin: 0; padding-left: 20px; }
.notice { align-self: center; padding: 24px; border-radius: 18px; background: #192348; }
.notice strong { font-size: 20px; }
.checksum { margin-top: 18px; padding: 32px 42px; }
.checksum code { display: block; overflow-wrap: anywhere; color: #b9c7ff; font-size: 15px; line-height: 1.55; }
footer { display: flex; gap: 24px; padding: 48px 0 64px; color: #9da8c7; font-size: 14px; }

@media (max-width: 760px) {
  .site-header { min-height: 72px; }
  .brand small { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 32px; padding: 48px 0 64px; }
  h1 { font-size: clamp(48px, 16vw, 72px); }
  .lead { font-size: 18px; }
  .phone { display: none; }
  .content-grid, .facts { grid-template-columns: 1fr; }
  .facts, .checksum { padding: 28px; }
  footer { flex-wrap: wrap; }
}