:root {
  color-scheme: light dark;
  --bg: #f2f2f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0071e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f5f5f7;
    --muted: #98989d;
    --accent: #2997ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 680px;
  margin: 0 auto;
  padding: max(40px, env(safe-area-inset-top)) 16px max(48px, env(safe-area-inset-bottom));
}
header { text-align: center; margin-bottom: 28px; }
.icon { border-radius: 22.5%; box-shadow: 0 4px 16px rgba(0, 0, 0, .18); }
.app { margin: 14px 0 0; color: var(--muted); font-weight: 600; }
h1 { margin: 4px 0; font-size: 34px; line-height: 1.15; letter-spacing: -.02em; }
.muted { color: var(--muted); margin: 0; }
.lang select {
  margin-top: 16px;
  font: inherit;
  font-size: 15px;
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid rgba(128, 128, 128, .3);
  background: var(--card);
  color: var(--text);
}
article { background: var(--card); border-radius: 18px; padding: 8px 22px; }
section { padding: 14px 0; border-bottom: 1px solid rgba(128, 128, 128, .2); }
section:last-child { border-bottom: 0; }
h2 { font-size: 17px; margin: 0 0 4px; }
p { margin: 0; }
article p { color: var(--text); }
ul.links { list-style: none; padding: 0; margin: 0; background: var(--card); border-radius: 18px; }
ul.links li { border-bottom: 1px solid rgba(128, 128, 128, .2); }
ul.links li:last-child { border-bottom: 0; }
ul.links a { display: block; padding: 14px 22px; color: var(--accent); text-decoration: none; }
.button {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
main > p:last-child { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }