:root {
  --bg: #fbfaf7; --surface: #ffffff; --text: #1d2a2c; --muted: #5d6b6d;
  --primary: #0f7c7a; --accent: #f06a4f; --border: #e3e0d8;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111818; --surface: #1a2323; --text: #e9efee; --muted: #a3b1b0;
    --primary: #4fc3bf; --accent: #ff8a70; --border: #2b3838;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111818; --surface: #1a2323; --text: #e9efee; --muted: #a3b1b0;
  --primary: #4fc3bf; --accent: #ff8a70; --border: #2b3838;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--primary); }
.top {
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.brand { display: flex; gap: 8px; align-items: center; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); padding: 6px 0; }
.top nav a[aria-current="page"] { color: var(--primary); font-weight: 600; }
.top nav .lang { color: var(--primary); }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; }
.doc h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc h3 { font-size: 16px; margin: 20px 0 4px; }
.meta { color: var(--muted); font-size: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--border); }
th { background: var(--surface); }
.hero { text-align: center; padding: 32px 0 16px; }
.hero h1 { font-size: 40px; margin: 12px 0 0; }
.lead { font-size: 20px; color: var(--accent); font-weight: 600; margin: 4px 0 16px; }
.stores { color: var(--muted); }
.btn { display: inline-block; padding: 10px 18px; border-radius: 999px; background: var(--primary); color: #fff; text-decoration: none; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
.features article { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.features h2 { font-size: 17px; margin: 0 0 4px; }
.features p { margin: 0; color: var(--muted); font-size: 15px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 40px; border-top: 1px solid var(--border); }