:root { color-scheme: light; --navy:#102238; --blue:#2875d2; --soft:#eaf3ff; --ink:#17212f; --muted:#667689; --line:#dfe7ef; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: radial-gradient(circle at 85% 5%, #d8ecff 0, transparent 30%), #f4f7fa; }
.download-page { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 54px 0 70px; display: grid; grid-template-columns: minmax(0, 1.5fr) 340px; gap: 22px; }
.download-hero, .install-card, .feature-grid article, .security-note { border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.95); box-shadow: 0 18px 55px rgba(24,49,74,.08); }
.download-hero { padding: 46px; }
.back-link { display: inline-block; margin-bottom: 40px; color: #4d6379; text-decoration: none; font-size: 13px; font-weight: 700; }
.app-icon { width: 86px; height: 86px; display: grid; place-items: center; margin-bottom: 24px; overflow: hidden; border-radius: 23px; background: var(--navy); box-shadow: 0 18px 35px rgba(16,34,56,.22); }
.app-icon span { width: 48px; height: 58px; position: relative; display: block; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: #55a1f2; }
.app-icon span::after { content:""; width: 18px; height: 18px; position: absolute; left: 15px; top: 15px; border-radius: 50%; background: #fff; }
.kicker { color: var(--blue); text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 850; }
h1 { max-width: 720px; margin: 10px 0 16px; font-size: clamp(34px, 5vw, 57px); line-height: 1.04; letter-spacing: -.045em; }
.lead { max-width: 700px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.download-actions { margin-top: 30px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.download-actions span { color: var(--muted); font-size: 12px; }
.primary-button { min-height: 50px; display: inline-flex; align-items: center; padding: 12px 23px; border-radius: 13px; color: #fff; background: var(--blue); box-shadow: 0 10px 24px rgba(40,117,210,.24); text-decoration: none; font-weight: 800; }
.install-card { align-self: stretch; padding: 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.qr { width: min(230px, 100%); aspect-ratio: 1; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.install-card strong { margin-top: 22px; font-size: 18px; }
.install-card p { margin: 9px 0 15px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.install-card code { padding: 9px 11px; border-radius: 9px; color: #274f79; background: var(--soft); font-size: 12px; }
.feature-grid { grid-column: 1 / 3; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-grid article { padding: 27px; }
.feature-grid article > span { color: var(--blue); font-size: 11px; font-weight: 900; }
.feature-grid h2 { margin: 14px 0 9px; font-size: 19px; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 13px; }
.security-note { grid-column: 1 / 3; padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--navy); color: #fff; }
.security-note strong { font-size: 15px; }
.security-note p { margin: 6px 0 0; color: #b8c8d6; line-height: 1.5; font-size: 12px; }
.security-note a { flex: none; color: #fff; font-size: 12px; font-weight: 800; }
@media (max-width: 760px) {
  .download-page { width: min(100% - 24px, 560px); padding: 20px 0 40px; grid-template-columns: 1fr; }
  .download-hero { padding: 28px 24px; }
  .back-link { margin-bottom: 28px; }
  .feature-grid { grid-column: 1; grid-template-columns: 1fr; }
  .security-note { grid-column: 1; align-items: flex-start; flex-direction: column; }
}

[hidden] { display: none !important; }