/* One stylesheet for every page on sift.renobytes.com.
   No build step and no dependencies: these pages must keep working years from
   now with nobody maintaining them. */
:root {
  --bg: #f7f7f9;
  --surface: #ffffff;
  --text: #16161a;
  --muted: #5b5b66;
  --tint: #4b3fd4;
  --rule: #e4e4ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121216;
    --surface: #1c1c22;
    --text: #f2f2f5;
    --muted: #a3a3b0;
    --tint: #9c93ff;
    --rule: #2c2c35;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 3rem 1.25rem 4rem;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main {
  max-width: 44rem;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: 2.5rem;
}
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .35rem; letter-spacing: -.02em; }
.updated, .tagline { color: var(--muted); margin: 0 0 2rem; }
.updated { font-size: .9rem; }
.tagline { font-size: 1.1rem; }
h2 {
  font-size: 1.15rem;
  margin: 2.25rem 0 .6rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  letter-spacing: -.01em;
}
h2:first-of-type { border-top: 0; padding-top: 0; }
.lede { font-size: 1.05rem; color: var(--muted); margin-bottom: 2rem; }
ul { padding-left: 1.15rem; }
li { margin: .4rem 0; }
strong { font-weight: 650; }
a { color: var(--tint); }
.cards { display: grid; gap: .75rem; margin: 1.5rem 0 0; }
.card {
  display: block;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
}
.card:hover { border-color: var(--tint); }
.card strong { display: block; color: var(--tint); margin-bottom: .15rem; }
.card span { color: var(--muted); font-size: .93rem; }
footer {
  max-width: 44rem;
  margin: 1.5rem auto 0;
  color: var(--muted);
  font-size: .85rem;
  text-align: center;
}
footer a { color: var(--muted); }
@media (max-width: 34rem) {
  body { padding: 1.5rem 1rem 3rem; }
  main { padding: 1.5rem; border-radius: 14px; }
  h1 { font-size: 1.6rem; }
}