:root {
  --bg: #0b1726;
  --panel: #12233a;
  --ink: #e8eef6;
  --muted: #a9b8cb;
  --accent: #7fd1c7;
  --rule: #24405f;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--accent); }
a:hover { color: #b3e8e1; }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; gap: 14px; padding-top: 28px; padding-bottom: 8px; }
header img { width: 52px; height: 52px; border-radius: 50%; }
header .brand { font-family: Georgia, "Times New Roman", serif; font-weight: 700; font-size: 1.35rem; letter-spacing: 0.02em; color: var(--ink); text-decoration: none; }
nav { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--accent); }
main { padding-top: 12px; padding-bottom: 40px; }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: 2rem; line-height: 1.25; margin: 0.6em 0 0.3em; }
h2 { font-size: 1.2rem; margin: 1.8em 0 0.4em; color: var(--accent); }
.tagline { color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.85rem; margin: 0; }
.lede { font-size: 1.12rem; color: var(--ink); }
.panel { background: var(--panel); border: 1px solid var(--rule); border-radius: 12px; padding: 18px 20px; margin: 22px 0; }
.button { display: inline-block; background: var(--accent); color: #062420; font-weight: 600; padding: 10px 18px; border-radius: 999px; text-decoration: none; }
.button:hover { background: #b3e8e1; color: #062420; }
.meta { color: var(--muted); font-size: 0.9rem; }
ul { padding-left: 1.2em; }
li { margin: 0.3em 0; }
code { background: var(--panel); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }
footer { border-top: 1px solid var(--rule); padding-top: 18px; padding-bottom: 36px; color: var(--muted); font-size: 0.9rem; display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); }
@media (max-width: 560px) {
  body { font-size: 16px; }
  header { flex-wrap: wrap; }
  nav { margin-left: 0; width: 100%; }
  h1 { font-size: 1.6rem; }
}