:root { --fg:#1a1a1a; --muted:#5b6470; --accent:#2f6f4e; --bg:#fbfaf7; }
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg); background: var(--bg); line-height: 1.6;
}
a { color: var(--accent); }
.site-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem; border-bottom: 1px solid #e6e2d9;
}
.brand { font-weight: 700; text-decoration: none; font-size: 1.15rem; }
.site-header nav a { margin-left: 1.2rem; text-decoration: none; color: var(--muted); }
main { max-width: 780px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .3rem; }
.hero p { color: var(--muted); font-size: 1.1rem; }
section { margin-top: 2.5rem; }
h2 { margin-bottom: .4rem; }
footer { text-align: center; padding: 2rem 1.5rem; color: var(--muted); font-size: .9rem; border-top: 1px solid #e6e2d9; margin-top: 3rem; }