:root {
  --black: #0b0d10;
  --surface: #15181d;
  --border: #2a2f37;
  --text: #f4f5f7;
  --muted: #9aa0ae;
  --orange: #ff6b00;
  --orange-ink: #ff8a3d;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}
a { color: var(--orange-ink); }
a:hover { color: var(--orange); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.wordmark { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.01em; }
.wordmark span { color: var(--orange); }
nav.site a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 0.95rem; }
nav.site a:hover { color: var(--text); }
.hero { text-align: center; padding: 64px 0 40px; }
.hero img { width: 140px; height: 140px; border-radius: 32px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.15; margin: 24px 0 12px; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 620px; margin: 0 auto; }
.stores { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.store {
  display: inline-block; padding: 12px 20px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); text-decoration: none; font-weight: 600;
}
.store small { display: block; color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding: 24px 0 56px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
main.doc { padding: 40px 0 64px; }
main.doc h1 { font-size: 2rem; line-height: 1.2; margin-bottom: 4px; }
main.doc .updated { color: var(--muted); margin-top: 0; }
main.doc h2 { font-size: 1.25rem; margin-top: 36px; }
main.doc li { margin: 4px 0; }
.note { background: var(--surface); border-left: 3px solid var(--orange); padding: 12px 16px; border-radius: 8px; }
footer.site { border-top: 1px solid var(--border); padding: 24px 0 40px; color: var(--muted); font-size: 0.9rem; }
footer.site a { color: var(--muted); margin-right: 16px; }
@media (max-width: 560px) {
  nav.site { display: none; }
}