:root {
  --bg: #063f45;
  --surface: #0b4c52;
  --text: #f8f1e1;
  --muted: #c9d8d2;
  --accent: #8ef0c4;
  --line: #1d6268;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
main, header, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; gap: 12px; padding-top: 24px; }
header a { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 600; }
header img { width: 36px; height: 36px; border-radius: 8px; }
.hero { text-align: center; padding: 56px 0 24px; }
.hero img { width: 144px; height: 144px; border-radius: 32px; }
.hero h1 { font-size: 2.4rem; margin: 20px 0 8px; }
.hero p { color: var(--muted); font-size: 1.15rem; margin: 0 auto; max-width: 560px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 40px 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.card h2 { font-size: 1.05rem; margin: 0 0 6px; color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }
article { padding: 24px 0 8px; }
article h1 { font-size: 2rem; margin: 16px 0 4px; }
article h2 { font-size: 1.25rem; margin: 32px 0 8px; color: var(--accent); }
article .updated { color: var(--muted); margin: 0 0 24px; }
article li { margin: 6px 0; }
.note { background: var(--surface); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 6px; }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 20px; color: var(--muted); font-size: 0.92rem; display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--muted); }
code { overflow-wrap: anywhere; }
@media (max-width: 520px) { .hero h1 { font-size: 2rem; } .hero { padding-top: 36px; } }