:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --rule: #d2d2d7;
  --accent: #0a84ff;
  --card: #f5f5f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1e;
    --fg: #f5f5f7;
    --muted: #a1a1a6;
    --rule: #3a3a3c;
    --accent: #64d2ff;
    --card: #2c2c2e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.5rem 4rem; }
header { margin-bottom: 2rem; }
.brand { font-weight: 600; font-size: 1.05rem; color: var(--fg); text-decoration: none; }
nav { margin-top: .4rem; font-size: .95rem; }
nav a { margin-right: 1.1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .4rem; }
h2 { font-size: 1.2rem; margin: 2.2rem 0 .5rem; }
p, li { margin: 0 0 .9rem; }
ul { padding-left: 1.2rem; }
.lede { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; }
.meta { color: var(--muted); font-size: .9rem; }
.card { background: var(--card); border-radius: 12px; padding: 1.1rem 1.3rem; margin: 1.5rem 0; }
.card p:last-child { margin-bottom: 0; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, monospace; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .85rem; }

/* Header mark and front-page hero */
.brand { display: inline-flex; align-items: center; gap: .5rem; }
.brand img { width: 28px; height: 28px; }
.hero { text-align: center; margin: 1rem 0 2.5rem; }
.hero img { width: 160px; height: 160px; display: block; margin: 0 auto 1.2rem;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,.25)); }
.hero h1 { font-size: 2.4rem; }
.hero .lede { max-width: 34rem; margin: .6rem auto 0; }

/* Screenshot gallery: wider than the text column so the UI is legible */
.gallery { max-width: 64rem; margin: 3rem auto 0; padding: 0 1.5rem; }
.gallery figure { margin: 0 0 3.5rem; }
.gallery img { width: 100%; height: auto; display: block;
  filter: drop-shadow(0 10px 28px rgba(0,0,0,.28)); }
.gallery figcaption { text-align: center; margin-top: 1rem; color: var(--muted); }
.gallery figcaption strong { color: var(--fg); display: block; font-size: 1.05rem; margin-bottom: .15rem; }
.pro { display: inline-block; font-size: .7rem; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 4px; padding: 0 .35rem; margin-left: .35rem; vertical-align: .15em; }
.footwrap { max-width: 42rem; margin: 0 auto; padding: 0 1.5rem 3rem; }