:root {
  --blue: #0038A8;
  --red: #CE1126;
  --yellow: #FCD116;
  --ink: #12172B;
  --ink-soft: #5B6478;
  --bg: #F6F8FC;
  --card: #FFFFFF;
  --border: #E3E8F0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #EDF1F8;
    --ink-soft: #A3ACBF;
    --bg: #10131C;
    --card: #181C28;
    --border: #2A3040;
  }
}
:root[data-theme="dark"] {
  --ink: #EDF1F8;
  --ink-soft: #A3ACBF;
  --bg: #10131C;
  --card: #181C28;
  --border: #2A3040;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
header {
  background: var(--blue);
  border-bottom: 4px solid var(--yellow);
  padding: 28px 16px 24px;
  text-align: center;
}
header .logo { display: block; width: 96px; height: 96px; margin: 3px auto 16px; border-radius: 22px; box-shadow: 0 0 0 3px #fff; }
header h1 { margin: 0; color: #fff; font-size: 28px; font-weight: 800; letter-spacing: -0.3px; }
header p { margin: 6px 0 0; color: rgba(255,255,255,.8); font-size: 15px; }
header a { color: #fff; }
main { max-width: 720px; margin: 0 auto; padding: 28px 16px 64px; }
h2 { font-size: 21px; margin: 32px 0 10px; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, li { color: var(--ink); }
.muted { color: var(--ink-soft); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 18px 0;
}
a { color: var(--blue); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) a { color: #7FA6FF; } }
nav.links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 14px; }
nav.links a { color: rgba(255,255,255,.9); font-weight: 600; text-decoration: none; font-size: 14px; }
nav.links a:hover { text-decoration: underline; }
.store-badge { display: inline-block; margin-top: 16px; line-height: 0; }
.store-badge img { display: block; width: 156px; height: 52px; }
footer { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 18px; font-size: 14px; color: var(--ink-soft); }