:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #52657a;
  --paper: #f6f8fb;
  --card: #ffffff;
  --accent: #1677ff;
  --accent-dark: #075bc7;
  --line: #dbe4ee;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: radial-gradient(circle at 85% 5%, rgba(22, 119, 255, .15), transparent 28rem), var(--paper);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}
a { color: var(--accent-dark); }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 4px; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  min-height: 88px;
  padding: 20px 0;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.brand:hover { color: var(--ink); }
.brand-logo { display: block; width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; }
nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
nav a { color: var(--muted); text-decoration: none; font-size: .94rem; }
nav a:hover { color: var(--accent-dark); }
main { padding: 24px 0 80px; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  padding: 32px 0 64px;
}
.hero-copy { min-width: 0; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 800; letter-spacing: .16em; text-transform: uppercase; font-size: .78rem; }
h1 { margin: 14px 0 24px; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.055em; }
.lead { color: var(--muted); font-size: clamp(1.05rem, 2.5vw, 1.5rem); max-width: 780px; }
.app-download { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin: 32px 0 20px; }
.app-store-link { display: inline-block; vertical-align: top; border-radius: 10px; }
.app-store-link img { display: block; width: 180px; height: 60px; }
.app-download-note { margin: 10px 0 0; color: var(--muted); font-size: .8rem; }
.app-download-qr { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--muted); font-size: .75rem; text-decoration: none; }
.app-download-qr img { display: block; width: 112px; height: 112px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.text-link { font-weight: 700; }
.fine-print { color: var(--muted); font-size: .9rem; }
.hero-visual { width: 100%; max-width: 310px; margin: 0; justify-self: center; }
.hero-visual img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 24px 64px rgba(16, 32, 51, .12); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; scroll-margin-top: 24px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: color-mix(in srgb, var(--card) 88%, transparent); }
.card h2 { margin-top: 0; font-size: 1.1rem; }
.card p { color: var(--muted); margin-bottom: 0; }
.card-visual { margin: -8px -8px 28px; }
.card-visual img { display: block; width: 100%; max-width: 230px; height: auto; margin: 0 auto; border-radius: 16px; }
footer { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 22px; border-top: 1px solid var(--line); color: var(--muted); padding: 28px 0 48px; font-size: .9rem; }
footer span { margin-right: auto; }
footer a { color: var(--muted); }

@media (max-width: 720px) {
  header { align-items: flex-start; flex-direction: column; }
  nav { gap: 8px 18px; }
  .cards { grid-template-columns: 1fr; }
  footer span { flex-basis: 100%; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding: 20px 0 48px; }
  .hero-visual { max-width: 280px; }
  .card { display: grid; grid-template-columns: 34% minmax(0, 1fr); align-items: center; gap: 18px; padding: 20px; }
  .card-visual { margin: 0; }
  .card-visual img { border-radius: 10px; }
  .card-copy h2 { margin-bottom: 10px; }
  .card-copy p { margin-top: 0; font-size: .94rem; line-height: 1.6; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}