:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --green: #22c55e;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --radius: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav a { color: var(--muted); font-weight: 600; margin-left: 22px; }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(160deg, #eff6ff 0%, var(--bg) 60%);
  padding: 72px 0 56px;
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero h1 .accent { color: var(--blue); }
.hero p.sub { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 30em; }

/* Store + QR */
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.store-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 12px;
  font-weight: 700; font-size: 15px;
}
.store-btn:hover { text-decoration: none; opacity: 0.9; }
.store-btn small { display: block; font-weight: 500; font-size: 11px; opacity: 0.8; }
.qr-row { display: flex; gap: 28px; }
.qr { text-align: center; }
.qr img { width: 116px; height: 116px; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 6px; }
.qr span { display: block; margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--muted); }

/* Phone mockup */
.phone {
  justify-self: center;
  width: 270px; aspect-ratio: 9 / 19.5;
  border-radius: 36px; background: #0b1220;
  padding: 10px; box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25);
  border: 1px solid #1e293b;
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 28px; display: block; }

/* Features */
section.features { padding: 64px 0; }
.section-title { text-align: center; font-size: 32px; margin: 0 0 8px; letter-spacing: -0.01em; }
.section-sub { text-align: center; color: var(--muted); margin: 0 auto 40px; max-width: 36em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.feature .ico { font-size: 26px; }
.feature h3 { margin: 12px 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* Banner */
.banner { background: var(--blue); color: #fff; border-radius: 24px; padding: 40px; text-align: center; margin: 16px 0 64px; }
.banner h2 { margin: 0 0 10px; font-size: 26px; }
.banner p { margin: 0 0 22px; opacity: 0.9; }
.banner .store-btn { background: #fff; color: var(--blue); }

/* Legal pages */
.legal { padding: 48px 0 72px; }
.legal h1 { font-size: 34px; margin: 0 0 6px; }
.legal .updated { color: var(--muted); margin: 0 0 32px; }
.legal h2 { font-size: 20px; margin: 32px 0 8px; }
.legal p, .legal li { color: #334155; }
.legal ul { padding-left: 20px; }
.callout { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 12px; padding: 14px 16px; color: #1e3a8a; font-size: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--muted); margin-left: 18px; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 36px; }
  .cta, .qr-row { justify-content: center; }
  .hero p.sub { margin-left: auto; margin-right: auto; }
  .phone { display: none; }
  .grid { grid-template-columns: 1fr; }
}