/* One small stylesheet, system fonts only: the site loads nothing from anywhere else. */
:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --border: #e3e3e8;
  --accent: #0a66d8;
  --accent-text: #ffffff;
  --code-bg: #f2f2f5;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --surface: #1c1c1f;
    --text: #f2f2f4;
    --muted: #a1a1a8;
    --border: #2e2e33;
    --accent: #4c9bff;
    --accent-text: #0b0b0c;
    --code-bg: #26262a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header.site { border-bottom: 1px solid var(--border); }
header.site .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
header.site .brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
header.site .brand img { width: 28px; height: 28px; }
header.site nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header.site nav a { color: var(--muted); }
header.site nav a[aria-current="page"] { color: var(--text); }

main { padding: 48px 0 64px; }
h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 14px; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 44px 0 10px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
p, li { color: var(--text); }
.lede { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

.hero { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
@media (min-width: 720px) { .hero { grid-template-columns: 1.1fr 1fr; } }
.hero img.icon { width: 96px; height: 96px; margin-bottom: 12px; }
.shot { width: 100%; max-width: 340px; border-radius: 14px; border: 1px solid var(--border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); justify-self: center; }

.button {
  display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 600;
  background: var(--accent); color: var(--accent-text);
}
.button:hover { text-decoration: none; filter: brightness(1.06); }
.button[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 16px 0 0; font-size: 15px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

ul.layers { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
ul.layers li { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
ul.layers b { display: block; }

code, pre { font: 14px/1.5 ui-monospace, "SF Mono", Menlo, monospace; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; }
pre { background: var(--code-bg); padding: 12px 14px; border-radius: 10px; overflow-x: auto; }
pre code { background: none; padding: 0; }

.placeholder { border: 1px dashed var(--border); border-radius: 12px; padding: 16px 18px; color: var(--muted); }

footer.site { border-top: 1px solid var(--border); padding: 24px 0 40px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer.site a { color: var(--muted); }