*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2433;line-height:1.6;background:#fbfdfb}
section,header,footer{max-width:720px;margin:0 auto;padding:32px 20px}
.hero{padding-top:72px}.tag{color:#166534;font-weight:600;text-transform:uppercase;font-size:.8rem;letter-spacing:.05em}
h1{font-size:2.2rem;line-height:1.2;margin:.3em 0}.sub{font-size:1.15rem;color:#475569}h2{color:#14532d}
.btn{display:inline-block;background:#15803d;color:#fff;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600;margin-top:12px}
.btn.disabled{background:#94a3b8;cursor:not-allowed}.btn.ghost{background:#fff;color:#15803d;border:2px solid #15803d}
.price{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;text-align:center;margin-top:24px}.amount{font-size:2.4rem;font-weight:700;margin:0}
li{margin:6px 0}footer{color:#64748b;font-size:.9rem}