/* davistyling.com — one stylesheet, no external fonts or scripts (CSP: default-src 'none'). */
:root {
  --ink: #1d2733;
  --muted: #5b6878;
  --line: #e3e7ec;
  --bg: #ffffff;
  --soft: #f5f7f9;
  --accent: #1f4e6b;
  --accent-ink: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7ecf1;
    --muted: #a3afbd;
    --line: #2c3743;
    --bg: #141a21;
    --soft: #1b232c;
    --accent: #8cc3e3;
    --accent-ink: #141a21;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header.site { border-bottom: 1px solid var(--line); }
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: .01em;
}
.brand svg { width: 30px; height: 30px; flex: none; }
nav.site { display: flex; gap: 18px; font-size: 15px; }
nav.site a { color: var(--muted); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--ink); }
nav.site a.lang { border: 1px solid var(--line); border-radius: 6px; padding: 0 8px; }

main { padding: 40px 0 56px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, ul, dl { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; }
.meta { color: var(--muted); font-size: 15px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0 8px; }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 22px; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
@media (max-width: 480px) {
  h1 { font-size: 28px; }
  dl.facts { grid-template-columns: 1fr; gap: 0; }
  dl.facts dd { margin-bottom: 10px; }
}

.toc { background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px 8px; margin: 22px 0; }
.toc ol { margin: 6px 0 8px; padding-left: 22px; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer.site .wrap { padding-top: 20px; padding-bottom: 28px; }
footer.site p { margin: 0 0 4px; }
@media (max-width: 560px) {
  /* Two narrow columns are unreadable on a phone: stack each row. */
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  td { border: 0; padding: 2px 0; }
  td:first-child { font-weight: 600; }
}