:root {
  --blue: #3478D6;
  --blue-dark: #27508A;
  --green: #4DA876;
  --ink: #16212E;
  --muted: #5B6675;
  --line: #E2E8F0;
  --bg: #F4F8FB;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.65;
  background: #fff;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.site {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; }
.brand { font-weight: 600; font-size: 20px; color: var(--blue-dark); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--blue); }
.hero { background: var(--bg); padding: 56px 0 64px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
.hero p { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 600px; }
.pill { display: inline-block; background: var(--blue); color: #fff; text-decoration: none; padding: 12px 22px; border-radius: 999px; font-weight: 500; }
.pill.ghost { background: #fff; color: var(--blue); border: 1px solid var(--blue); margin-left: 10px; }
main { padding: 40px 0 64px; }
h2 { font-size: 22px; margin: 32px 0 10px; }
h3 { font-size: 17px; margin: 24px 0 6px; }
ul.feat { list-style: none; padding: 0; }
ul.feat li { padding: 10px 0 10px 28px; position: relative; border-bottom: 1px solid var(--line); }
ul.feat li::before { content: "→"; position: absolute; left: 0; color: var(--green); font-weight: 600; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg); }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 90%; }
.note { background: var(--bg); border-left: 3px solid var(--blue); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 20px 0; }
.crisis { background: #FBEFEF; border-left: 3px solid #D65757; padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 20px 0; }
a { color: var(--blue); }
footer.site { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); margin-right: 16px; }
.muted { color: var(--muted); }