:root {
  --bg: #050508;
  --surface: #14141b;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f6f6f8;
  --muted: #b9b9c6;
  --a: #ff8a2a;
  --b: #ff5a6a;
  --link: #ffa45c;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f4f8;
    --surface: #ffffff;
    --border: rgba(20, 20, 40, 0.12);
    --text: #12121a;
    --muted: #4f4f60;
    --link: #b34700;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--link); }
.top, footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: -0.3px; }
.brand img { border-radius: 8px; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--text); }
main { padding: 16px; margin: 0 auto; }
main.doc { max-width: 760px; }
main.wide { max-width: 1040px; }
article h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.5px; }
article h2 { margin-top: 2rem; font-size: 1.35rem; }
article table { width: 100%; border-collapse: collapse; font-size: 0.9rem; display: block; overflow-x: auto; }
article th, article td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
article th { background: var(--surface); }
.hero { text-align: center; padding: 48px 0 32px; }
.hero .logo { border-radius: 26px; box-shadow: 0 12px 48px rgba(255, 90, 106, 0.3); }
.hero h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.1; letter-spacing: -1.5px; margin: 24px auto 16px; max-width: 14em; }
.lead { max-width: 36em; margin: 0 auto 28px; color: var(--muted); font-size: 1.15rem; }
.small { color: var(--muted); font-size: 0.9rem; }
.stores { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; margin: 8px 0 16px; }
.store { display: flex; flex-direction: column; align-items: center; gap: 10px; min-width: 160px; }
.store p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.qr { width: 144px; background: #fff; border-radius: 12px; padding: 6px; }
.qr svg { display: block; width: 100%; height: auto; }
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  color: #1a0d05;
  background: linear-gradient(135deg, var(--a), var(--b));
}
.btn.disabled { background: var(--surface); color: var(--muted); border: 1px solid var(--border); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; padding: 16px 0 32px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.card h2 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.cta { text-align: center; padding: 24px 0 48px; }
footer { border-top: 1px solid var(--border); margin-top: 32px; flex-direction: column; align-items: flex-start; }
footer p { margin: 0; color: var(--muted); font-size: 0.85rem; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }