:root {
  --navy: #142d3d;
  --bg: #f3f6f9;
  --surface: #ffffff;
  --ink: #10222e;
  --muted: #4d6371;
  --line: #d3dde4;
  --accent: #12677b;
  --body: "Heebo", "Arial Hebrew", "Segoe UI", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0d1821;
    --surface: #15232e;
    --ink: #e4edf1;
    --muted: #9db2be;
    --line: #2a3d4b;
    --accent: #88cde0;
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  padding-inline: 20px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.7;
}
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
header {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; direction: ltr; }
.brand img { width: 30px; height: 30px; border-radius: 7px; box-shadow: 0 0 0 1px var(--line); }
.brand span { color: var(--accent); }
main { max-width: 760px; margin: 0 auto; padding-block: 36px 56px; }
h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.2; margin: 0 0 8px; text-wrap: balance; }
h2 { font-size: 21px; margin: 36px 0 8px; text-wrap: balance; }
p, li { max-width: 68ch; }
ul { padding-inline-start: 22px; }
li + li { margin-top: 4px; }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 20px 0; }
.box p { margin: 6px 0; }
code { font-family: ui-monospace, Consolas, monospace; direction: ltr; unicode-bidi: isolate; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; user-select: all; }
section[lang="en"] { direction: ltr; text-align: left; border-top: 1px solid var(--line); margin-top: 44px; padding-top: 8px; }
footer { max-width: 760px; margin: 0 auto; padding-block: 24px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--muted); }
@media (max-width: 600px) { body { padding-inline: 16px; font-size: 16px; } }