*{box-sizing:border-box}
body{margin:0;background:#0d1117;color:#e6edf3;font:16px/1.55 "Segoe UI",system-ui,sans-serif}
a{color:#79c0ff}
header{background:#161d25;border-bottom:1px solid #30363d;padding:14px 24px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{font:800 28px/1 "Segoe UI",sans-serif;letter-spacing:6px;color:#ff7a5c;text-decoration:none}
header nav{margin-left:auto;display:flex;gap:18px}
header nav a{color:#c9d1d9;text-decoration:none}
main{max-width:860px;margin:0 auto;padding:28px 24px 60px}
h1{font-size:30px;margin:6px 0 10px}
h2{font-size:21px;color:#79c0ff;margin:28px 0 8px}
.card{background:#161d25;border:1px solid #30363d;border-radius:12px;padding:20px 24px;margin:18px 0}
.muted{color:#8b949e;font-size:14px}
.planos{width:100%;border-collapse:collapse;margin:10px 0}
.planos th,.planos td{padding:8px 10px;border-bottom:1px solid #30363d;text-align:left}
.planos th{color:#8b949e;font-weight:600}
.planos td:last-child{font-weight:700;color:#56d364;white-space:nowrap}
footer{border-top:1px solid #30363d;color:#8b949e;font-size:14px;text-align:center;padding:18px}
.btn{display:inline-block;background:#238636;color:#fff;border-radius:8px;padding:10px 20px;text-decoration:none;font-weight:600}