*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2125;background:#fafaf8}
header,main,footer{max-width:760px;margin:0 auto;padding:0 20px}header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-top:18px;padding-bottom:18px;border-bottom:1px solid #e3e3df}
.brand{font-weight:700;font-size:1.25rem;color:#1d2125;text-decoration:none}nav a{margin-left:16px;color:#3d4a55;text-decoration:none}nav a:hover{text-decoration:underline}
h1{font-size:1.9rem;line-height:1.25;margin-top:36px}a{color:#0b6e4f}.card{background:#fff;border:1px solid #e3e3df;border-radius:8px;padding:4px 20px 16px;margin:16px 0}.muted{color:#5b6670}
.btn{display:inline-block;background:#0b6e4f;color:#fff;padding:8px 16px;border-radius:6px;text-decoration:none}footer{margin-top:48px;padding-top:16px;padding-bottom:32px;border-top:1px solid #e3e3df;font-size:.9rem;color:#5b6670}